Merge pull request #2251 from restic/update-deps

Update dependencies

go.mod

@@ -2,21 +2,20 @@ module github.com/restic/restic
 
 require (
 	bazil.org/fuse v0.0.0-20180421153158-65cc252bf669
-	cloud.google.com/go v0.36.0 // indirect
+	cloud.google.com/go v0.37.4 // indirect
-	contrib.go.opencensus.io/exporter/ocagent v0.4.3 // indirect
+	contrib.go.opencensus.io/exporter/ocagent v0.4.12 // indirect
-	github.com/Azure/azure-sdk-for-go v26.4.0+incompatible
+	github.com/Azure/azure-sdk-for-go v27.3.0+incompatible
-	github.com/Azure/go-autorest v11.4.0+incompatible // indirect
+	github.com/Azure/go-autorest v12.0.0+incompatible // indirect
 	github.com/cenkalti/backoff v2.1.1+incompatible
-	github.com/cpuguy83/go-md2man v1.0.8 // indirect
+	github.com/cpuguy83/go-md2man v1.0.10 // indirect
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible // indirect
 	github.com/dnaeon/go-vcr v1.0.1 // indirect
 	github.com/elithrar/simple-scrypt v1.3.0
-	github.com/go-ini/ini v1.41.0 // indirect
+	github.com/go-ini/ini v1.42.0 // indirect
 	github.com/google/go-cmp v0.2.0
-	github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e // indirect
+	github.com/gopherjs/gopherjs v0.0.0-20190411002643-bd77b112433e // indirect
-	github.com/grpc-ecosystem/grpc-gateway v1.7.0 // indirect
+	github.com/hashicorp/golang-lru v0.5.1 // indirect
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
-	github.com/jtolds/gls v4.2.1+incompatible // indirect
 	github.com/juju/ratelimit v1.0.1
 	github.com/kr/fs v0.1.0 // indirect
 	github.com/kurin/blazer v0.5.3
@@ -24,27 +23,29 @@ require (
 	github.com/mattn/go-isatty v0.0.7
 	github.com/minio/minio-go v6.0.14+incompatible
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
-	github.com/ncw/swift v1.0.45
+	github.com/ncw/swift v1.0.47
 	github.com/pkg/errors v0.8.1
-	github.com/pkg/profile v1.2.1
+	github.com/pkg/profile v1.3.0
 	github.com/pkg/sftp v1.10.0
-	github.com/pkg/xattr v0.4.0
+	github.com/pkg/xattr v0.4.1
 	github.com/restic/chunker v0.2.0
 	github.com/satori/go.uuid v1.2.0 // indirect
-	github.com/smartystreets/assertions v0.0.0-20190116191733-b6c0e53d7304 // indirect
+	github.com/smartystreets/assertions v0.0.0-20190401211740-f487f9de1cd3 // indirect
-	github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c // indirect
+	github.com/smartystreets/goconvey v0.0.0-20190330032615-68dc04aab96a // indirect
 	github.com/spf13/cobra v0.0.3
 	github.com/spf13/pflag v1.0.3
 	github.com/stretchr/testify v1.3.0 // indirect
-	go.opencensus.io v0.19.0 // indirect
+	golang.org/x/crypto v0.0.0-20190422183909-d864b10871cd
-	golang.org/x/crypto v0.0.0-20190208162236-193df9c0f06f
+	golang.org/x/net v0.0.0-20190424024845-afe8014c977f
-	golang.org/x/net v0.0.0-20190206173232-65e2d4e15006
+	golang.org/x/oauth2 v0.0.0-20190402181905-9f3314589c9a
-	golang.org/x/oauth2 v0.0.0-20190130055435-99b60b757ec1
+	golang.org/x/sync v0.0.0-20190423024810-112230192c58
-	golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4
+	golang.org/x/sys v0.0.0-20190422165155-953cdadca894
-	golang.org/x/sys v0.0.0-20190316082340-a2f829d7f35f
 	golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2
-	google.golang.org/api v0.1.0
+	google.golang.org/api v0.3.2
-	google.golang.org/grpc v1.18.0 // indirect
+	google.golang.org/appengine v1.5.0 // indirect
-	gopkg.in/ini.v1 v1.41.0 // indirect
+	google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7 // indirect
+	google.golang.org/grpc v1.20.1 // indirect
+	gopkg.in/ini.v1 v1.42.0 // indirect
 	gopkg.in/tomb.v2 v2.0.0-20161208151619-d5d1b5820637
+	gopkg.in/yaml.v2 v2.2.2 // indirect
 )

go.sum

@@ -1,34 +1,29 @@
 bazil.org/fuse v0.0.0-20180421153158-65cc252bf669 h1:FNCRpXiquG1aoyqcIWVFmpTSKVcx2bQD38uZZeGtdlw=
 bazil.org/fuse v0.0.0-20180421153158-65cc252bf669/go.mod h1:Xbm+BRKSBEpa4q4hTSxohYNQpsxXPbPry4JJWOB3LB8=
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.31.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.36.0 h1:+aCSj7tOo2LODWVEuZDZeGCckdt6MlSF+X/rB3wUiS8=
+cloud.google.com/go v0.37.4 h1:glPeL3BQJsbF6aIIYfZizMwc5LTYz250bDMjttbBGAU=
-cloud.google.com/go v0.36.0/go.mod h1:RUoy9p/M4ge0HzT8L+SDZ8jg+Q6fth0CiBuhFJpSV40=
+cloud.google.com/go v0.37.4/go.mod h1:NHPJ89PdicEuT9hdPXMROBD91xc5uRDxsMtSB16k7hw=
-contrib.go.opencensus.io/exporter/ocagent v0.4.3 h1:QjNm697iO7CZ09IxxSiCUzOhALENIsLsixdPwjV1yGs=
+contrib.go.opencensus.io/exporter/ocagent v0.4.12 h1:jGFvw3l57ViIVEPKKEUXPcLYIXJmQxLUh6ey1eJhwyc=
-contrib.go.opencensus.io/exporter/ocagent v0.4.3/go.mod h1:YuG83h+XWwqWjvCqn7vK4KSyLKhThY3+gNGQ37iS2V0=
+contrib.go.opencensus.io/exporter/ocagent v0.4.12/go.mod h1:450APlNTSR6FrvC3CTRqYosuDstRB9un7SOx2k/9ckA=
-dmitri.shuralyov.com/app/changes v0.0.0-20180602232624-0a106ad413e3/go.mod h1:Yl+fi1br7+Rr3LqpNJf1/uxUdtRUV+Tnj0o93V2B9MU=
+github.com/Azure/azure-sdk-for-go v27.3.0+incompatible h1:i+ROfG3CsZUPoVAnhK06T3R6PmBzKB9ds+lHBpN7Mzo=
-dmitri.shuralyov.com/html/belt v0.0.0-20180602232347-f7d459c86be0/go.mod h1:JLBrvjyP0v+ecvNYvCpyZgu5/xkfAUhi6wJj28eUfSU=
+github.com/Azure/azure-sdk-for-go v27.3.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
-dmitri.shuralyov.com/service/change v0.0.0-20181023043359-a85b471d5412/go.mod h1:a1inKt/atXimZ4Mv927x+r7UpyzRUf4emIoiiSC2TN4=
+github.com/Azure/go-autorest v12.0.0+incompatible h1:N+VqClcomLGD/sHb3smbSYYtNMgKpVV3Cd5r5i8z6bQ=
-dmitri.shuralyov.com/state v0.0.0-20180228185332-28bcc343414c/go.mod h1:0PRwlb0D6DFvNNtx+9ybjezNCa8XF0xaYcETyp6rHWU=
+github.com/Azure/go-autorest v12.0.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
-git.apache.org/thrift.git v0.0.0-20180902110319-2566ecd5d999/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg=
-git.apache.org/thrift.git v0.0.0-20181218151757-9b75e4fe745a/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg=
-github.com/Azure/azure-sdk-for-go v26.4.0+incompatible h1:ISw3xYFYPGBmcwP7CQjzQDoYhkywcIVfYzo4CHgQzOw=
-github.com/Azure/azure-sdk-for-go v26.4.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
-github.com/Azure/go-autorest v11.4.0+incompatible h1:z3Yr6KYqs0nhSNwqGXEBpWK977hxVqsLv2n9PVYcixY=
-github.com/Azure/go-autorest v11.4.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
+github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
+github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
-github.com/bradfitz/go-smtpd v0.0.0-20170404230938-deb6d6237625/go.mod h1:HYsPBTaaSFSlLx/70C2HPIMNZpVV8+vt/A+FMnYP11g=
 github.com/cenkalti/backoff v2.1.1+incompatible h1:tKJnvO2kl0zmb/jA5UKAt4VoEVw1qxKWjE/Bpp46npY=
 github.com/cenkalti/backoff v2.1.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
-github.com/census-instrumentation/opencensus-proto v0.1.0-0.20181214143942-ba49f56771b8 h1:gUqsFVdUKoRHNg8fkFd8gB5OOEa/g5EwlAHznb4zjbI=
+github.com/census-instrumentation/opencensus-proto v0.2.0 h1:LzQXZOgg4CQfE6bFvXGM30YZL1WW/M337pXml+GrcZ4=
-github.com/census-instrumentation/opencensus-proto v0.1.0-0.20181214143942-ba49f56771b8/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/census-instrumentation/opencensus-proto v0.2.0/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/coreos/go-systemd v0.0.0-20181012123002-c6f51f82210d/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/cpuguy83/go-md2man v1.0.10 h1:BSKMNlYxDvnunlTymqtgONjNnaRV1sTpcovwwjF22jk=
-github.com/cpuguy83/go-md2man v1.0.8 h1:DwoNytLphI8hzS2Af4D0dfaEaiSq2bN05mEm4R6vf8M=
+github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
-github.com/cpuguy83/go-md2man v1.0.8/go.mod h1:N6JayAiVKtlHSnuTCeuLSQVs75hb8q+dYQLjr7cDsKY=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -36,54 +31,62 @@ github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumC
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/dnaeon/go-vcr v1.0.1 h1:r8L/HqC0Hje5AXMu1ooW8oyQyOFv4GxqpL0nRP7SLLY=
 github.com/dnaeon/go-vcr v1.0.1/go.mod h1:aBB1+wY4s93YsC3HHjMBMrwTj2R9FHDzUr9KyGc8n1E=
-github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
+github.com/eapache/go-resiliency v1.1.0/go.mod h1:kFI+JgMyC7bLPUVY133qvEBtVayf5mFgVsvEsIPBvNs=
+github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1:+020luEh2TKB4/GOp8oxxtq0Daoen/Cii55CzbTV6DU=
+github.com/eapache/queue v1.1.0/go.mod h1:6eCeP0CKFpHLu8blIFXhExK/dRa7WDZfr6jVFPTqq+I=
 github.com/elithrar/simple-scrypt v1.3.0 h1:KIlOlxdoQf9JWKl5lMAJ28SY2URB0XTRDn2TckyzAZg=
 github.com/elithrar/simple-scrypt v1.3.0/go.mod h1:U2XQRI95XHY0St410VE3UjT7vuKb1qPwrl/EJwEqnZo=
-github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:xEzjJPgXI435gkrCt3MPfRiAkVrwSbHsst4LCFVfpJc=
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-github.com/gliderlabs/ssh v0.1.1/go.mod h1:U7qILu1NlMHj9FlMhZLlkCdDnU1DBEAqr0aevW3Awn0=
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+github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
+github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
+github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
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 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
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vendor/contrib.go.opencensus.io/exporter/ocagent/.travis.yml

@@ -13,5 +13,6 @@ script:
   - go build ./...                    # Ensure dependency updates don't break build
   - if [ -n "$(gofmt -s -l $GO_FILES)" ]; then echo "gofmt the following files:"; gofmt -s -l $GO_FILES; exit 1; fi
   - go vet ./...
-  - go test -v -race $PKGS            # Run all the tests with the race detector enabled
+  - GO111MODULE=on go test -v -race $PKGS            # Run all the tests with the race detector enabled
+  - GO111MODULE=off go test -v -race $PKGS           # Make sure tests still pass when not using Go modules.
   - 'if [[ $TRAVIS_GO_VERSION = 1.8* ]]; then ! golint ./... | grep -vE "(_mock|_string|\.pb)\.go:"; fi'

vendor/contrib.go.opencensus.io/exporter/ocagent/connection.go

@@ -27,7 +27,10 @@ const (
 
 func (ae *Exporter) setStateDisconnected() {
 	atomic.StoreInt32(&ae.connectionState, sDisconnected)
-	ae.disconnectedCh <- true
+	select {
+	case ae.disconnectedCh <- true:
+	default:
+	}
 }
 
 func (ae *Exporter) setStateConnected() {

vendor/contrib.go.opencensus.io/exporter/ocagent/go.mod

@@ -1,9 +1,10 @@
 module contrib.go.opencensus.io/exporter/ocagent
 
 require (
-	github.com/census-instrumentation/opencensus-proto v0.1.0-0.20181214143942-ba49f56771b8 // this is to match the version used in census-instrumentation/opencensus-service
+	github.com/census-instrumentation/opencensus-proto v0.2.0 // this is to match the version used in census-instrumentation/opencensus-service
-	github.com/golang/protobuf v1.2.0
+	github.com/golang/protobuf v1.3.1
-	go.opencensus.io v0.18.1-0.20181204023538-aab39bd6a98b
+	github.com/grpc-ecosystem/grpc-gateway v1.8.5 // indirect
-	google.golang.org/api v0.0.0-20180910000450-7ca32eb868bf
+	go.opencensus.io v0.20.2
-	google.golang.org/grpc v1.15.0
+	google.golang.org/api v0.3.1
+	google.golang.org/grpc v1.19.1
 )

vendor/contrib.go.opencensus.io/exporter/ocagent/go.sum

@@ -1,55 +1,130 @@
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vendor/contrib.go.opencensus.io/exporter/ocagent/ocagent.go

@@ -23,7 +23,10 @@ import (
 
 	"google.golang.org/api/support/bundler"
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/metadata"
 
+	"go.opencensus.io/plugin/ocgrpc"
 	"go.opencensus.io/resource"
 	"go.opencensus.io/stats/view"
 	"go.opencensus.io/trace"
@@ -67,6 +70,7 @@ type Exporter struct {
 	reconnectionPeriod time.Duration
 	resource           *resourcepb.Resource
 	compressor         string
+	headers            map[string]string
 
 	startOnce      sync.Once
 	stopCh         chan bool
@@ -80,6 +84,8 @@ type Exporter struct {
 	// from OpenCensus-Go view.Data to metricspb.Metric.
 	// Please do not confuse it with metricsBundler!
 	viewDataBundler *bundler.Bundler
+
+	clientTransportCredentials credentials.TransportCredentials
 }
 
 func NewExporter(opts ...ExporterOption) (*Exporter, error) {
@@ -191,7 +197,11 @@ func (ae *Exporter) enableConnectionStreams(cc *grpc.ClientConn) error {
 func (ae *Exporter) createTraceServiceConnection(cc *grpc.ClientConn, node *commonpb.Node) error {
 	// Initiate the trace service by sending over node identifier info.
 	traceSvcClient := agenttracepb.NewTraceServiceClient(cc)
-	traceExporter, err := traceSvcClient.Export(context.Background())
+	ctx := context.Background()
+	if len(ae.headers) > 0 {
+		ctx = metadata.NewOutgoingContext(ctx, metadata.New(ae.headers))
+	}
+	traceExporter, err := traceSvcClient.Export(ctx)
 	if err != nil {
 		return fmt.Errorf("Exporter.Start:: TraceServiceClient: %v", err)
 	}
@@ -251,13 +261,21 @@ func (ae *Exporter) createMetricsServiceConnection(cc *grpc.ClientConn, node *co
 func (ae *Exporter) dialToAgent() (*grpc.ClientConn, error) {
 	addr := ae.prepareAgentAddress()
 	var dialOpts []grpc.DialOption
-	if ae.canDialInsecure {
+	if ae.clientTransportCredentials != nil {
+		dialOpts = append(dialOpts, grpc.WithTransportCredentials(ae.clientTransportCredentials))
+	} else if ae.canDialInsecure {
 		dialOpts = append(dialOpts, grpc.WithInsecure())
 	}
 	if ae.compressor != "" {
 		dialOpts = append(dialOpts, grpc.WithDefaultCallOptions(grpc.UseCompressor(ae.compressor)))
 	}
-	return grpc.Dial(addr, dialOpts...)
+	dialOpts = append(dialOpts, grpc.WithStatsHandler(&ocgrpc.ClientHandler{}))
+
+	ctx := context.Background()
+	if len(ae.headers) > 0 {
+		ctx = metadata.NewOutgoingContext(ctx, metadata.New(ae.headers))
+	}
+	return grpc.DialContext(ctx, addr, dialOpts...)
 }
 
 func (ae *Exporter) handleConfigStreaming(configStream agenttracepb.TraceService_ConfigClient) error {
@@ -278,7 +296,7 @@ func (ae *Exporter) handleConfigStreaming(configStream agenttracepb.TraceService
 		if psamp := cfg.GetProbabilitySampler(); psamp != nil {
 			trace.ApplyConfig(trace.Config{DefaultSampler: trace.ProbabilitySampler(psamp.SamplingProbability)})
 		} else if csamp := cfg.GetConstantSampler(); csamp != nil {
-			alwaysSample := csamp.Decision == true
+			alwaysSample := csamp.Decision == tracepb.ConstantSampler_ALWAYS_ON
 			if alwaysSample {
 				trace.ApplyConfig(trace.Config{DefaultSampler: trace.AlwaysSample()})
 			} else {

vendor/contrib.go.opencensus.io/exporter/ocagent/options.go

@@ -14,7 +14,11 @@
 
 package ocagent
 
-import "time"
+import (
+	"time"
+
+	"google.golang.org/grpc/credentials"
+)
 
 const (
 	DefaultAgentPort uint16 = 55678
@@ -91,3 +95,34 @@ func (c compressorSetter) withExporter(e *Exporter) {
 func UseCompressor(compressorName string) ExporterOption {
 	return compressorSetter(compressorName)
 }
+
+type headerSetter map[string]string
+
+func (h headerSetter) withExporter(e *Exporter) {
+	e.headers = map[string]string(h)
+}
+
+// WithHeaders will send the provided headers when the gRPC stream connection
+// is instantiated
+func WithHeaders(headers map[string]string) ExporterOption {
+	return headerSetter(headers)
+}
+
+type clientCredentials struct {
+	credentials.TransportCredentials
+}
+
+var _ ExporterOption = (*clientCredentials)(nil)
+
+// WithTLSCredentials allows the connection to use TLS credentials
+// when talking to the server. It takes in grpc.TransportCredentials instead
+// of say a Certificate file or a tls.Certificate, because the retrieving
+// these credentials can be done in many ways e.g. plain file, in code tls.Config
+// or by certificate rotation, so it is up to the caller to decide what to use.
+func WithTLSCredentials(creds credentials.TransportCredentials) ExporterOption {
+	return &clientCredentials{TransportCredentials: creds}
+}
+
+func (cc *clientCredentials) withExporter(e *Exporter) {
+	e.clientTransportCredentials = cc.TransportCredentials
+}

vendor/contrib.go.opencensus.io/exporter/ocagent/transform_stats_to_metrics.go

@@ -18,7 +18,6 @@ import (
 	"errors"
 	"time"
 
-	"go.opencensus.io/exemplar"
 	"go.opencensus.io/stats"
 	"go.opencensus.io/stats/view"
 	"go.opencensus.io/tag"
@@ -50,13 +49,13 @@ func viewDataToMetric(vd *view.Data) (*metricspb.Metric, error) {
 	}
 
 	metric := &metricspb.Metric{
-		Descriptor_: descriptor,
+		MetricDescriptor: descriptor,
-		Timeseries:  timeseries,
+		Timeseries:       timeseries,
 	}
 	return metric, nil
 }
 
-func viewToMetricDescriptor(v *view.View) (*metricspb.Metric_MetricDescriptor, error) {
+func viewToMetricDescriptor(v *view.View) (*metricspb.MetricDescriptor, error) {
 	if v == nil {
 		return nil, errNilView
 	}
@@ -64,14 +63,12 @@ func viewToMetricDescriptor(v *view.View) (*metricspb.Metric_MetricDescriptor, e
 		return nil, errNilMeasure
 	}
 
-	desc := &metricspb.Metric_MetricDescriptor{
+	desc := &metricspb.MetricDescriptor{
-		MetricDescriptor: &metricspb.MetricDescriptor{
+		Name:        stringOrCall(v.Name, v.Measure.Name),
-			Name:        stringOrCall(v.Name, v.Measure.Name),
+		Description: stringOrCall(v.Description, v.Measure.Description),
-			Description: stringOrCall(v.Description, v.Measure.Description),
+		Unit:        v.Measure.Unit(),
-			Unit:        v.Measure.Unit(),
+		Type:        aggregationToMetricDescriptorType(v),
-			Type:        aggregationToMetricDescriptorType(v),
+		LabelKeys:   tagKeysToLabelKeys(v.TagKeys),
-			LabelKeys:   tagKeysToLabelKeys(v.TagKeys),
-		},
 	}
 	return desc, nil
 }
@@ -205,9 +202,10 @@ func rowToPoint(v *view.View, row *view.Row, endTimestamp *timestamp.Timestamp,
 	case *view.DistributionData:
 		pt.Value = &metricspb.Point_DistributionValue{
 			DistributionValue: &metricspb.DistributionValue{
-				Count:   data.Count,
+				Count: data.Count,
-				Sum:     float64(data.Count) * data.Mean, // because Mean := Sum/Count
+				Sum:   float64(data.Count) * data.Mean, // because Mean := Sum/Count
-				Buckets: bucketsToProtoBuckets(data.CountPerBucket, data.ExemplarsPerBucket),
+				// TODO: Add Exemplar
+				Buckets: bucketsToProtoBuckets(data.CountPerBucket),
 				BucketOptions: &metricspb.DistributionValue_BucketOptions{
 					Type: &metricspb.DistributionValue_BucketOptions_Explicit_{
 						Explicit: &metricspb.DistributionValue_BucketOptions_Explicit{
@@ -238,31 +236,13 @@ func setPointValue(pt *metricspb.Point, value float64, mType measureType) {
 	}
 }
 
-// countPerBucket and exemplars are of the same length in well formed data,
+func bucketsToProtoBuckets(countPerBucket []int64) []*metricspb.DistributionValue_Bucket {
-// otherwise ensure that even if exemplars are non-existent that we always
-// insert counts and create distribution value buckets.
-func bucketsToProtoBuckets(countPerBucket []int64, exemplars []*exemplar.Exemplar) []*metricspb.DistributionValue_Bucket {
 	distBuckets := make([]*metricspb.DistributionValue_Bucket, len(countPerBucket))
 	for i := 0; i < len(countPerBucket); i++ {
 		count := countPerBucket[i]
 
-		var exmplr *exemplar.Exemplar
-		if i < len(exemplars) {
-			exmplr = exemplars[i]
-		}
-
-		var protoExemplar *metricspb.DistributionValue_Exemplar
-		if exmplr != nil {
-			protoExemplar = &metricspb.DistributionValue_Exemplar{
-				Value:       exmplr.Value,
-				Timestamp:   timeToTimestamp(exmplr.Timestamp),
-				Attachments: exmplr.Attachments,
-			}
-		}
-
 		distBuckets[i] = &metricspb.DistributionValue_Bucket{
-			Count:    count,
+			Count: count,
-			Exemplar: protoExemplar,
 		}
 	}
 

vendor/github.com/Azure/azure-sdk-for-go/version/version.go

@@ -18,4 +18,4 @@ package version
 // Changes may cause incorrect behavior and will be lost if the code is regenerated.
 
 // Number contains the semantic version of this SDK.
-const Number = "v26.4.0"
+const Number = "v27.3.0"

vendor/github.com/Azure/go-autorest/autorest/authorization.go

@@ -15,6 +15,7 @@ package autorest
 //  limitations under the License.
 
 import (
+	"encoding/base64"
 	"fmt"
 	"net/http"
 	"net/url"
@@ -31,6 +32,8 @@ const (
 	apiKeyAuthorizerHeader      = "Ocp-Apim-Subscription-Key"
 	bingAPISdkHeader            = "X-BingApis-SDK-Client"
 	golangBingAPISdkHeaderValue = "Go-SDK"
+	authorization               = "Authorization"
+	basic                       = "Basic"
 )
 
 // Authorizer is the interface that provides a PrepareDecorator used to supply request
@@ -258,3 +261,27 @@ func (egta EventGridKeyAuthorizer) WithAuthorization() PrepareDecorator {
 	}
 	return NewAPIKeyAuthorizerWithHeaders(headers).WithAuthorization()
 }
+
+// BasicAuthorizer implements basic HTTP authorization by adding the Authorization HTTP header
+// with the value "Basic <TOKEN>" where <TOKEN> is a base64-encoded username:password tuple.
+type BasicAuthorizer struct {
+	userName string
+	password string
+}
+
+// NewBasicAuthorizer creates a new BasicAuthorizer with the specified username and password.
+func NewBasicAuthorizer(userName, password string) *BasicAuthorizer {
+	return &BasicAuthorizer{
+		userName: userName,
+		password: password,
+	}
+}
+
+// WithAuthorization returns a PrepareDecorator that adds an HTTP Authorization header whose
+// value is "Basic " followed by the base64-encoded username:password tuple.
+func (ba *BasicAuthorizer) WithAuthorization() PrepareDecorator {
+	headers := make(map[string]interface{})
+	headers[authorization] = basic + " " + base64.StdEncoding.EncodeToString([]byte(fmt.Sprintf("%s:%s", ba.userName, ba.password)))
+
+	return NewAPIKeyAuthorizerWithHeaders(headers).WithAuthorization()
+}

vendor/github.com/Azure/go-autorest/autorest/azure/async.go

@@ -45,14 +45,7 @@ var pollingCodes = [...]int{http.StatusNoContent, http.StatusAccepted, http.Stat
 // Future provides a mechanism to access the status and results of an asynchronous request.
 // Since futures are stateful they should be passed by value to avoid race conditions.
 type Future struct {
-	req *http.Request // legacy
+	pt pollingTracker
-	pt  pollingTracker
-}
-
-// NewFuture returns a new Future object initialized with the specified request.
-// Deprecated: Please use NewFutureFromResponse instead.
-func NewFuture(req *http.Request) Future {
-	return Future{req: req}
 }
 
 // NewFutureFromResponse returns a new Future object initialized
@@ -86,12 +79,6 @@ func (f Future) PollingMethod() PollingMethodType {
 	return f.pt.pollingMethod()
 }
 
-// Done queries the service to see if the operation has completed.
-// Deprecated: Use DoneWithContext()
-func (f *Future) Done(sender autorest.Sender) (bool, error) {
-	return f.DoneWithContext(context.Background(), sender)
-}
-
 // DoneWithContext queries the service to see if the operation has completed.
 func (f *Future) DoneWithContext(ctx context.Context, sender autorest.Sender) (done bool, err error) {
 	ctx = tracing.StartSpan(ctx, "github.com/Azure/go-autorest/autorest/azure/async.DoneWithContext")
@@ -104,20 +91,6 @@ func (f *Future) DoneWithContext(ctx context.Context, sender autorest.Sender) (d
 		tracing.EndSpan(ctx, sc, err)
 	}()
 
-	// support for legacy Future implementation
-	if f.req != nil {
-		resp, err := sender.Do(f.req)
-		if err != nil {
-			return false, err
-		}
-		pt, err := createPollingTracker(resp)
-		if err != nil {
-			return false, err
-		}
-		f.pt = pt
-		f.req = nil
-	}
-	// end legacy
 	if f.pt == nil {
 		return false, autorest.NewError("Future", "Done", "future is not initialized")
 	}
@@ -168,15 +141,6 @@ func (f Future) GetPollingDelay() (time.Duration, bool) {
 	return d, true
 }
 
-// WaitForCompletion will return when one of the following conditions is met: the long
-// running operation has completed, the provided context is cancelled, or the client's
-// polling duration has been exceeded.  It will retry failed polling attempts based on
-// the retry value defined in the client up to the maximum retry attempts.
-// Deprecated: Please use WaitForCompletionRef() instead.
-func (f Future) WaitForCompletion(ctx context.Context, client autorest.Client) error {
-	return f.WaitForCompletionRef(ctx, client)
-}
-
 // WaitForCompletionRef will return when one of the following conditions is met: the long
 // running operation has completed, the provided context is cancelled, or the client's
 // polling duration has been exceeded.  It will retry failed polling attempts based on
@@ -919,43 +883,6 @@ func isValidURL(s string) bool {
 	return err == nil && u.IsAbs()
 }
 
-// DoPollForAsynchronous returns a SendDecorator that polls if the http.Response is for an Azure
-// long-running operation. It will delay between requests for the duration specified in the
-// RetryAfter header or, if the header is absent, the passed delay. Polling may be canceled via
-// the context associated with the http.Request.
-// Deprecated: Prefer using Futures to allow for non-blocking async operations.
-func DoPollForAsynchronous(delay time.Duration) autorest.SendDecorator {
-	return func(s autorest.Sender) autorest.Sender {
-		return autorest.SenderFunc(func(r *http.Request) (*http.Response, error) {
-			resp, err := s.Do(r)
-			if err != nil {
-				return resp, err
-			}
-			if !autorest.ResponseHasStatusCode(resp, pollingCodes[:]...) {
-				return resp, nil
-			}
-			future, err := NewFutureFromResponse(resp)
-			if err != nil {
-				return resp, err
-			}
-			// retry until either the LRO completes or we receive an error
-			var done bool
-			for done, err = future.Done(s); !done && err == nil; done, err = future.Done(s) {
-				// check for Retry-After delay, if not present use the specified polling delay
-				if pd, ok := future.GetPollingDelay(); ok {
-					delay = pd
-				}
-				// wait until the delay elapses or the context is cancelled
-				if delayElapsed := autorest.DelayForBackoff(delay, 0, r.Context().Done()); !delayElapsed {
-					return future.Response(),
-						autorest.NewErrorWithError(r.Context().Err(), "azure", "DoPollForAsynchronous", future.Response(), "context has been cancelled")
-				}
-			}
-			return future.Response(), err
-		})
-	}
-}
-
 // PollingMethodType defines a type used for enumerating polling mechanisms.
 type PollingMethodType string
 

vendor/github.com/Azure/go-autorest/autorest/azure/environments.go

@@ -22,9 +22,14 @@ import (
 	"strings"
 )
 
-// EnvironmentFilepathName captures the name of the environment variable containing the path to the file
+const (
-// to be used while populating the Azure Environment.
+	// EnvironmentFilepathName captures the name of the environment variable containing the path to the file
-const EnvironmentFilepathName = "AZURE_ENVIRONMENT_FILEPATH"
+	// to be used while populating the Azure Environment.
+	EnvironmentFilepathName = "AZURE_ENVIRONMENT_FILEPATH"
+
+	// NotAvailable is used for endpoints and resource IDs that are not available for a given cloud.
+	NotAvailable = "N/A"
+)
 
 var environments = map[string]Environment{
 	"AZURECHINACLOUD":        ChinaCloud,
@@ -33,28 +38,39 @@ var environments = map[string]Environment{
 	"AZUREUSGOVERNMENTCLOUD": USGovernmentCloud,
 }
 
+// ResourceIdentifier contains a set of Azure resource IDs.
+type ResourceIdentifier struct {
+	Graph               string `json:"graph"`
+	KeyVault            string `json:"keyVault"`
+	Datalake            string `json:"datalake"`
+	Batch               string `json:"batch"`
+	OperationalInsights string `json:"operationalInsights"`
+}
+
 // Environment represents a set of endpoints for each of Azure's Clouds.
 type Environment struct {
-	Name                         string `json:"name"`
+	Name                         string             `json:"name"`
-	ManagementPortalURL          string `json:"managementPortalURL"`
+	ManagementPortalURL          string             `json:"managementPortalURL"`
-	PublishSettingsURL           string `json:"publishSettingsURL"`
+	PublishSettingsURL           string             `json:"publishSettingsURL"`
-	ServiceManagementEndpoint    string `json:"serviceManagementEndpoint"`
+	ServiceManagementEndpoint    string             `json:"serviceManagementEndpoint"`
-	ResourceManagerEndpoint      string `json:"resourceManagerEndpoint"`
+	ResourceManagerEndpoint      string             `json:"resourceManagerEndpoint"`
-	ActiveDirectoryEndpoint      string `json:"activeDirectoryEndpoint"`
+	ActiveDirectoryEndpoint      string             `json:"activeDirectoryEndpoint"`
-	GalleryEndpoint              string `json:"galleryEndpoint"`
+	GalleryEndpoint              string             `json:"galleryEndpoint"`
-	KeyVaultEndpoint             string `json:"keyVaultEndpoint"`
+	KeyVaultEndpoint             string             `json:"keyVaultEndpoint"`
-	GraphEndpoint                string `json:"graphEndpoint"`
+	GraphEndpoint                string             `json:"graphEndpoint"`
-	ServiceBusEndpoint           string `json:"serviceBusEndpoint"`
+	ServiceBusEndpoint           string             `json:"serviceBusEndpoint"`
-	BatchManagementEndpoint      string `json:"batchManagementEndpoint"`
+	BatchManagementEndpoint      string             `json:"batchManagementEndpoint"`
-	StorageEndpointSuffix        string `json:"storageEndpointSuffix"`
+	StorageEndpointSuffix        string             `json:"storageEndpointSuffix"`
-	SQLDatabaseDNSSuffix         string `json:"sqlDatabaseDNSSuffix"`
+	SQLDatabaseDNSSuffix         string             `json:"sqlDatabaseDNSSuffix"`
-	TrafficManagerDNSSuffix      string `json:"trafficManagerDNSSuffix"`
+	TrafficManagerDNSSuffix      string             `json:"trafficManagerDNSSuffix"`
-	KeyVaultDNSSuffix            string `json:"keyVaultDNSSuffix"`
+	KeyVaultDNSSuffix            string             `json:"keyVaultDNSSuffix"`
-	ServiceBusEndpointSuffix     string `json:"serviceBusEndpointSuffix"`
+	ServiceBusEndpointSuffix     string             `json:"serviceBusEndpointSuffix"`
-	ServiceManagementVMDNSSuffix string `json:"serviceManagementVMDNSSuffix"`
+	ServiceManagementVMDNSSuffix string             `json:"serviceManagementVMDNSSuffix"`
-	ResourceManagerVMDNSSuffix   string `json:"resourceManagerVMDNSSuffix"`
+	ResourceManagerVMDNSSuffix   string             `json:"resourceManagerVMDNSSuffix"`
-	ContainerRegistryDNSSuffix   string `json:"containerRegistryDNSSuffix"`
+	ContainerRegistryDNSSuffix   string             `json:"containerRegistryDNSSuffix"`
-	TokenAudience                string `json:"tokenAudience"`
+	CosmosDBDNSSuffix            string             `json:"cosmosDBDNSSuffix"`
+	TokenAudience                string             `json:"tokenAudience"`
+	ResourceIdentifiers          ResourceIdentifier `json:"resourceIdentifiers"`
 }
 
 var (
@@ -79,7 +95,15 @@ var (
 		ServiceManagementVMDNSSuffix: "cloudapp.net",
 		ResourceManagerVMDNSSuffix:   "cloudapp.azure.com",
 		ContainerRegistryDNSSuffix:   "azurecr.io",
+		CosmosDBDNSSuffix:            "documents.azure.com",
 		TokenAudience:                "https://management.azure.com/",
+		ResourceIdentifiers: ResourceIdentifier{
+			Graph:               "https://graph.windows.net/",
+			KeyVault:            "https://vault.azure.net",
+			Datalake:            "https://datalake.azure.net/",
+			Batch:               "https://batch.core.windows.net/",
+			OperationalInsights: "https://api.loganalytics.io",
+		},
 	}
 
 	// USGovernmentCloud is the cloud environment for the US Government
@@ -102,8 +126,16 @@ var (
 		ServiceBusEndpointSuffix:     "servicebus.usgovcloudapi.net",
 		ServiceManagementVMDNSSuffix: "usgovcloudapp.net",
 		ResourceManagerVMDNSSuffix:   "cloudapp.windowsazure.us",
-		ContainerRegistryDNSSuffix:   "azurecr.io",
+		ContainerRegistryDNSSuffix:   "azurecr.us",
+		CosmosDBDNSSuffix:            "documents.azure.us",
 		TokenAudience:                "https://management.usgovcloudapi.net/",
+		ResourceIdentifiers: ResourceIdentifier{
+			Graph:               "https://graph.windows.net/",
+			KeyVault:            "https://vault.usgovcloudapi.net",
+			Datalake:            NotAvailable,
+			Batch:               "https://batch.core.usgovcloudapi.net/",
+			OperationalInsights: "https://api.loganalytics.us",
+		},
 	}
 
 	// ChinaCloud is the cloud environment operated in China
@@ -126,8 +158,16 @@ var (
 		ServiceBusEndpointSuffix:     "servicebus.chinacloudapi.cn",
 		ServiceManagementVMDNSSuffix: "chinacloudapp.cn",
 		ResourceManagerVMDNSSuffix:   "cloudapp.azure.cn",
-		ContainerRegistryDNSSuffix:   "azurecr.io",
+		ContainerRegistryDNSSuffix:   "azurecr.cn",
+		CosmosDBDNSSuffix:            "documents.azure.cn",
 		TokenAudience:                "https://management.chinacloudapi.cn/",
+		ResourceIdentifiers: ResourceIdentifier{
+			Graph:               "https://graph.chinacloudapi.cn/",
+			KeyVault:            "https://vault.azure.cn",
+			Datalake:            NotAvailable,
+			Batch:               "https://batch.chinacloudapi.cn/",
+			OperationalInsights: NotAvailable,
+		},
 	}
 
 	// GermanCloud is the cloud environment operated in Germany
@@ -150,8 +190,16 @@ var (
 		ServiceBusEndpointSuffix:     "servicebus.cloudapi.de",
 		ServiceManagementVMDNSSuffix: "azurecloudapp.de",
 		ResourceManagerVMDNSSuffix:   "cloudapp.microsoftazure.de",
-		ContainerRegistryDNSSuffix:   "azurecr.io",
+		ContainerRegistryDNSSuffix:   NotAvailable,
+		CosmosDBDNSSuffix:            "documents.microsoftazure.de",
 		TokenAudience:                "https://management.microsoftazure.de/",
+		ResourceIdentifiers: ResourceIdentifier{
+			Graph:               "https://graph.cloudapi.de/",
+			KeyVault:            "https://vault.microsoftazure.de",
+			Datalake:            NotAvailable,
+			Batch:               "https://batch.cloudapi.de/",
+			OperationalInsights: NotAvailable,
+		},
 	}
 )
 

vendor/github.com/Azure/go-autorest/autorest/client.go

@@ -16,6 +16,7 @@ package autorest
 
 import (
 	"bytes"
+	"crypto/tls"
 	"fmt"
 	"io"
 	"io/ioutil"
@@ -169,6 +170,24 @@ type Client struct {
 // NewClientWithUserAgent returns an instance of a Client with the UserAgent set to the passed
 // string.
 func NewClientWithUserAgent(ua string) Client {
+	return newClient(ua, tls.RenegotiateNever)
+}
+
+// ClientOptions contains various Client configuration options.
+type ClientOptions struct {
+	// UserAgent is an optional user-agent string to append to the default user agent.
+	UserAgent string
+
+	// Renegotiation is an optional setting to control client-side TLS renegotiation.
+	Renegotiation tls.RenegotiationSupport
+}
+
+// NewClientWithOptions returns an instance of a Client with the specified values.
+func NewClientWithOptions(options ClientOptions) Client {
+	return newClient(options.UserAgent, options.Renegotiation)
+}
+
+func newClient(ua string, renegotiation tls.RenegotiationSupport) Client {
 	c := Client{
 		PollingDelay:    DefaultPollingDelay,
 		PollingDuration: DefaultPollingDuration,
@@ -176,7 +195,7 @@ func NewClientWithUserAgent(ua string) Client {
 		RetryDuration:   DefaultRetryDuration,
 		UserAgent:       UserAgent(),
 	}
-	c.Sender = c.sender()
+	c.Sender = c.sender(renegotiation)
 	c.AddToUserAgent(ua)
 	return c
 }
@@ -220,18 +239,37 @@ func (c Client) Do(r *http.Request) (*http.Response, error) {
 			return true, v
 		},
 	})
-	resp, err := SendWithSender(c.sender(), r)
+	resp, err := SendWithSender(c.sender(tls.RenegotiateNever), r)
 	logger.Instance.WriteResponse(resp, logger.Filter{})
 	Respond(resp, c.ByInspecting())
 	return resp, err
 }
 
 // sender returns the Sender to which to send requests.
-func (c Client) sender() Sender {
+func (c Client) sender(renengotiation tls.RenegotiationSupport) Sender {
 	if c.Sender == nil {
+		// Use behaviour compatible with DefaultTransport, but require TLS minimum version.
+		var defaultTransport = http.DefaultTransport.(*http.Transport)
+		transport := tracing.Transport
+		// for non-default values of TLS renegotiation create a new tracing transport.
+		// updating tracing.Transport affects all clients which is not what we want.
+		if renengotiation != tls.RenegotiateNever {
+			transport = tracing.NewTransport()
+		}
+		transport.Base = &http.Transport{
+			Proxy:                 defaultTransport.Proxy,
+			DialContext:           defaultTransport.DialContext,
+			MaxIdleConns:          defaultTransport.MaxIdleConns,
+			IdleConnTimeout:       defaultTransport.IdleConnTimeout,
+			TLSHandshakeTimeout:   defaultTransport.TLSHandshakeTimeout,
+			ExpectContinueTimeout: defaultTransport.ExpectContinueTimeout,
+			TLSClientConfig: &tls.Config{
+				MinVersion:    tls.VersionTLS12,
+				Renegotiation: renengotiation,
+			},
+		}
 		j, _ := cookiejar.New(nil)
-		client := &http.Client{Jar: j, Transport: tracing.Transport}
+		return &http.Client{Jar: j, Transport: transport}
-		return client
 	}
 
 	return c.Sender

vendor/github.com/Azure/go-autorest/autorest/version.go

@@ -19,7 +19,7 @@ import (
 	"runtime"
 )
 
-const number = "v11.4.0"
+const number = "v12.0.0"
 
 var (
 	userAgent = fmt.Sprintf("Go/%s (%s-%s) go-autorest/%s",

vendor/github.com/Azure/go-autorest/tracing/tracing.go

@@ -30,10 +30,7 @@ import (
 var (
 	// Transport is the default tracing RoundTripper. The custom options setter will control
 	// if traces are being emitted or not.
-	Transport = &ochttp.Transport{
+	Transport = NewTransport()
-		Propagation:     &tracecontext.HTTPFormat{},
-		GetStartOptions: getStartOptions,
-	}
 
 	// enabled is the flag for marking if tracing is enabled.
 	enabled = false
@@ -67,6 +64,14 @@ func enableFromEnv() {
 	}
 }
 
+// NewTransport returns a new instance of a tracing-aware RoundTripper.
+func NewTransport() *ochttp.Transport {
+	return &ochttp.Transport{
+		Propagation:     &tracecontext.HTTPFormat{},
+		GetStartOptions: getStartOptions,
+	}
+}
+
 // IsEnabled returns true if monitoring is enabled for the sdk.
 func IsEnabled() bool {
 	return enabled

vendor/github.com/census-instrumentation/opencensus-proto/gen-go/agent/common/v1/common.pb.go

@@ -1,12 +1,14 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // source: opencensus/proto/agent/common/v1/common.proto
 
-package v1 // import "github.com/census-instrumentation/opencensus-proto/gen-go/agent/common/v1"
+package v1
 
-import proto "github.com/golang/protobuf/proto"
+import (
-import fmt "fmt"
+	fmt "fmt"
-import math "math"
+	proto "github.com/golang/protobuf/proto"
-import timestamp "github.com/golang/protobuf/ptypes/timestamp"
+	timestamp "github.com/golang/protobuf/ptypes/timestamp"
+	math "math"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
@@ -17,7 +19,7 @@ var _ = math.Inf
 // is compatible with the proto package it is being compiled against.
 // A compilation error at this line likely means your copy of the
 // proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
 type LibraryInfo_Language int32
 
@@ -46,6 +48,7 @@ var LibraryInfo_Language_name = map[int32]string{
 	8: "PYTHON",
 	9: "RUBY",
 }
+
 var LibraryInfo_Language_value = map[string]int32{
 	"LANGUAGE_UNSPECIFIED": 0,
 	"CPP":                  1,
@@ -62,12 +65,13 @@ var LibraryInfo_Language_value = map[string]int32{
 func (x LibraryInfo_Language) String() string {
 	return proto.EnumName(LibraryInfo_Language_name, int32(x))
 }
+
 func (LibraryInfo_Language) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_common_5e0eaac3929d3455, []int{2, 0}
+	return fileDescriptor_126c72ed8a252c84, []int{2, 0}
 }
 
-// Identifier metadata of the Node (Application instrumented with OpenCensus)
+// Identifier metadata of the Node that produces the span or tracing data.
-// that connects to OpenCensus Agent.
+// Note, this is not the metadata about the Node or service that is described by associated spans.
 // In the future we plan to extend the identifier proto definition to support
 // additional information (e.g cloud id, etc.)
 type Node struct {
@@ -88,16 +92,17 @@ func (m *Node) Reset()         { *m = Node{} }
 func (m *Node) String() string { return proto.CompactTextString(m) }
 func (*Node) ProtoMessage()    {}
 func (*Node) Descriptor() ([]byte, []int) {
-	return fileDescriptor_common_5e0eaac3929d3455, []int{0}
+	return fileDescriptor_126c72ed8a252c84, []int{0}
 }
+
 func (m *Node) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Node.Unmarshal(m, b)
 }
 func (m *Node) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Node.Marshal(b, m, deterministic)
 }
-func (dst *Node) XXX_Merge(src proto.Message) {
+func (m *Node) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Node.Merge(dst, src)
+	xxx_messageInfo_Node.Merge(m, src)
 }
 func (m *Node) XXX_Size() int {
 	return xxx_messageInfo_Node.Size(m)
@@ -154,16 +159,17 @@ func (m *ProcessIdentifier) Reset()         { *m = ProcessIdentifier{} }
 func (m *ProcessIdentifier) String() string { return proto.CompactTextString(m) }
 func (*ProcessIdentifier) ProtoMessage()    {}
 func (*ProcessIdentifier) Descriptor() ([]byte, []int) {
-	return fileDescriptor_common_5e0eaac3929d3455, []int{1}
+	return fileDescriptor_126c72ed8a252c84, []int{1}
 }
+
 func (m *ProcessIdentifier) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ProcessIdentifier.Unmarshal(m, b)
 }
 func (m *ProcessIdentifier) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ProcessIdentifier.Marshal(b, m, deterministic)
 }
-func (dst *ProcessIdentifier) XXX_Merge(src proto.Message) {
+func (m *ProcessIdentifier) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ProcessIdentifier.Merge(dst, src)
+	xxx_messageInfo_ProcessIdentifier.Merge(m, src)
 }
 func (m *ProcessIdentifier) XXX_Size() int {
 	return xxx_messageInfo_ProcessIdentifier.Size(m)
@@ -212,16 +218,17 @@ func (m *LibraryInfo) Reset()         { *m = LibraryInfo{} }
 func (m *LibraryInfo) String() string { return proto.CompactTextString(m) }
 func (*LibraryInfo) ProtoMessage()    {}
 func (*LibraryInfo) Descriptor() ([]byte, []int) {
-	return fileDescriptor_common_5e0eaac3929d3455, []int{2}
+	return fileDescriptor_126c72ed8a252c84, []int{2}
 }
+
 func (m *LibraryInfo) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_LibraryInfo.Unmarshal(m, b)
 }
 func (m *LibraryInfo) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_LibraryInfo.Marshal(b, m, deterministic)
 }
-func (dst *LibraryInfo) XXX_Merge(src proto.Message) {
+func (m *LibraryInfo) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_LibraryInfo.Merge(dst, src)
+	xxx_messageInfo_LibraryInfo.Merge(m, src)
 }
 func (m *LibraryInfo) XXX_Size() int {
 	return xxx_messageInfo_LibraryInfo.Size(m)
@@ -266,16 +273,17 @@ func (m *ServiceInfo) Reset()         { *m = ServiceInfo{} }
 func (m *ServiceInfo) String() string { return proto.CompactTextString(m) }
 func (*ServiceInfo) ProtoMessage()    {}
 func (*ServiceInfo) Descriptor() ([]byte, []int) {
-	return fileDescriptor_common_5e0eaac3929d3455, []int{3}
+	return fileDescriptor_126c72ed8a252c84, []int{3}
 }
+
 func (m *ServiceInfo) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ServiceInfo.Unmarshal(m, b)
 }
 func (m *ServiceInfo) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ServiceInfo.Marshal(b, m, deterministic)
 }
-func (dst *ServiceInfo) XXX_Merge(src proto.Message) {
+func (m *ServiceInfo) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ServiceInfo.Merge(dst, src)
+	xxx_messageInfo_ServiceInfo.Merge(m, src)
 }
 func (m *ServiceInfo) XXX_Size() int {
 	return xxx_messageInfo_ServiceInfo.Size(m)
@@ -294,19 +302,19 @@ func (m *ServiceInfo) GetName() string {
 }
 
 func init() {
+	proto.RegisterEnum("opencensus.proto.agent.common.v1.LibraryInfo_Language", LibraryInfo_Language_name, LibraryInfo_Language_value)
 	proto.RegisterType((*Node)(nil), "opencensus.proto.agent.common.v1.Node")
 	proto.RegisterMapType((map[string]string)(nil), "opencensus.proto.agent.common.v1.Node.AttributesEntry")
 	proto.RegisterType((*ProcessIdentifier)(nil), "opencensus.proto.agent.common.v1.ProcessIdentifier")
 	proto.RegisterType((*LibraryInfo)(nil), "opencensus.proto.agent.common.v1.LibraryInfo")
 	proto.RegisterType((*ServiceInfo)(nil), "opencensus.proto.agent.common.v1.ServiceInfo")
-	proto.RegisterEnum("opencensus.proto.agent.common.v1.LibraryInfo_Language", LibraryInfo_Language_name, LibraryInfo_Language_value)
 }
 
 func init() {
-	proto.RegisterFile("opencensus/proto/agent/common/v1/common.proto", fileDescriptor_common_5e0eaac3929d3455)
+	proto.RegisterFile("opencensus/proto/agent/common/v1/common.proto", fileDescriptor_126c72ed8a252c84)
 }
 
-var fileDescriptor_common_5e0eaac3929d3455 = []byte{
+var fileDescriptor_126c72ed8a252c84 = []byte{
 	// 590 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x94, 0x4f, 0x4f, 0xdb, 0x3e,
 	0x1c, 0xc6, 0x7f, 0x69, 0x0a, 0xb4, 0xdf, 0xfc, 0x06, 0x99, 0xc5, 0xa1, 0x62, 0x87, 0xb1, 0xee,

vendor/github.com/census-instrumentation/opencensus-proto/gen-go/agent/metrics/v1/metrics_service.pb.go

@@ -1,18 +1,17 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // source: opencensus/proto/agent/metrics/v1/metrics_service.proto
 
-package v1 // import "github.com/census-instrumentation/opencensus-proto/gen-go/agent/metrics/v1"
+package v1
-
-import proto "github.com/golang/protobuf/proto"
-import fmt "fmt"
-import math "math"
-import v1 "github.com/census-instrumentation/opencensus-proto/gen-go/agent/common/v1"
-import v11 "github.com/census-instrumentation/opencensus-proto/gen-go/metrics/v1"
-import v12 "github.com/census-instrumentation/opencensus-proto/gen-go/resource/v1"
 
 import (
-	context "golang.org/x/net/context"
+	context "context"
+	fmt "fmt"
+	v1 "github.com/census-instrumentation/opencensus-proto/gen-go/agent/common/v1"
+	v11 "github.com/census-instrumentation/opencensus-proto/gen-go/metrics/v1"
+	v12 "github.com/census-instrumentation/opencensus-proto/gen-go/resource/v1"
+	proto "github.com/golang/protobuf/proto"
 	grpc "google.golang.org/grpc"
+	math "math"
 )
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -24,7 +23,7 @@ var _ = math.Inf
 // is compatible with the proto package it is being compiled against.
 // A compilation error at this line likely means your copy of the
 // proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
 type ExportMetricsServiceRequest struct {
 	// This is required only in the first message on the stream or if the
@@ -48,16 +47,17 @@ func (m *ExportMetricsServiceRequest) Reset()         { *m = ExportMetricsServic
 func (m *ExportMetricsServiceRequest) String() string { return proto.CompactTextString(m) }
 func (*ExportMetricsServiceRequest) ProtoMessage()    {}
 func (*ExportMetricsServiceRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_metrics_service_0b252d64875a1756, []int{0}
+	return fileDescriptor_47e253a956287d04, []int{0}
 }
+
 func (m *ExportMetricsServiceRequest) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ExportMetricsServiceRequest.Unmarshal(m, b)
 }
 func (m *ExportMetricsServiceRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ExportMetricsServiceRequest.Marshal(b, m, deterministic)
 }
-func (dst *ExportMetricsServiceRequest) XXX_Merge(src proto.Message) {
+func (m *ExportMetricsServiceRequest) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ExportMetricsServiceRequest.Merge(dst, src)
+	xxx_messageInfo_ExportMetricsServiceRequest.Merge(m, src)
 }
 func (m *ExportMetricsServiceRequest) XXX_Size() int {
 	return xxx_messageInfo_ExportMetricsServiceRequest.Size(m)
@@ -99,16 +99,17 @@ func (m *ExportMetricsServiceResponse) Reset()         { *m = ExportMetricsServi
 func (m *ExportMetricsServiceResponse) String() string { return proto.CompactTextString(m) }
 func (*ExportMetricsServiceResponse) ProtoMessage()    {}
 func (*ExportMetricsServiceResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_metrics_service_0b252d64875a1756, []int{1}
+	return fileDescriptor_47e253a956287d04, []int{1}
 }
+
 func (m *ExportMetricsServiceResponse) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ExportMetricsServiceResponse.Unmarshal(m, b)
 }
 func (m *ExportMetricsServiceResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ExportMetricsServiceResponse.Marshal(b, m, deterministic)
 }
-func (dst *ExportMetricsServiceResponse) XXX_Merge(src proto.Message) {
+func (m *ExportMetricsServiceResponse) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ExportMetricsServiceResponse.Merge(dst, src)
+	xxx_messageInfo_ExportMetricsServiceResponse.Merge(m, src)
 }
 func (m *ExportMetricsServiceResponse) XXX_Size() int {
 	return xxx_messageInfo_ExportMetricsServiceResponse.Size(m)
@@ -124,6 +125,36 @@ func init() {
 	proto.RegisterType((*ExportMetricsServiceResponse)(nil), "opencensus.proto.agent.metrics.v1.ExportMetricsServiceResponse")
 }
 
+func init() {
+	proto.RegisterFile("opencensus/proto/agent/metrics/v1/metrics_service.proto", fileDescriptor_47e253a956287d04)
+}
+
+var fileDescriptor_47e253a956287d04 = []byte{
+	// 340 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x9c, 0x92, 0xc1, 0x4a, 0xf3, 0x40,
+	0x14, 0x85, 0xff, 0xf9, 0x2b, 0x55, 0xa6, 0xe0, 0x62, 0xdc, 0x94, 0x2a, 0x52, 0xab, 0x48, 0x45,
+	0x32, 0x63, 0xea, 0x42, 0x10, 0x54, 0x28, 0xb8, 0x11, 0x94, 0x12, 0x77, 0x6e, 0xa4, 0x4d, 0x2f,
+	0x71, 0x16, 0x99, 0x1b, 0x67, 0x26, 0xc1, 0x57, 0x70, 0xe5, 0x3b, 0xf8, 0x5c, 0x3e, 0x8c, 0x24,
+	0x93, 0xb4, 0x94, 0x18, 0x0b, 0xee, 0x2e, 0x99, 0xf3, 0x9d, 0x9c, 0x33, 0x73, 0xe9, 0x05, 0x26,
+	0xa0, 0x42, 0x50, 0x26, 0x35, 0x22, 0xd1, 0x68, 0x51, 0x4c, 0x23, 0x50, 0x56, 0xc4, 0x60, 0xb5,
+	0x0c, 0x8d, 0xc8, 0xfc, 0x6a, 0x7c, 0x36, 0xa0, 0x33, 0x19, 0x02, 0x2f, 0x64, 0xec, 0x60, 0x09,
+	0xba, 0x2f, 0xbc, 0x00, 0x79, 0xa9, 0xe6, 0x99, 0xdf, 0xf3, 0x1a, 0xbc, 0x43, 0x8c, 0x63, 0x54,
+	0xb9, 0xb5, 0x9b, 0x1c, 0xdf, 0x3b, 0xa9, 0xc9, 0xeb, 0x21, 0x4a, 0xe9, 0x69, 0x4d, 0xaa, 0xc1,
+	0x60, 0xaa, 0x43, 0xc8, 0xb5, 0xd5, 0xec, 0xc4, 0x83, 0x2f, 0x42, 0x77, 0x6f, 0xdf, 0x12, 0xd4,
+	0xf6, 0xde, 0x99, 0x3c, 0xba, 0x22, 0x01, 0xbc, 0xa6, 0x60, 0x2c, 0xbb, 0xa4, 0x1b, 0x0a, 0xe7,
+	0xd0, 0x25, 0x7d, 0x32, 0xec, 0x8c, 0x8e, 0x79, 0x43, 0xb1, 0x32, 0x6b, 0xe6, 0xf3, 0x07, 0x9c,
+	0x43, 0x50, 0x30, 0xec, 0x8a, 0x6e, 0x96, 0xc9, 0xba, 0xff, 0xfb, 0xad, 0x61, 0x67, 0x74, 0x58,
+	0xc7, 0x97, 0x37, 0xc2, 0x5d, 0x80, 0xa0, 0x62, 0xd8, 0x98, 0x6e, 0x55, 0x61, 0xbb, 0xad, 0xa6,
+	0xdf, 0x2f, 0xea, 0x64, 0x3e, 0x0f, 0xca, 0x39, 0x58, 0x70, 0x83, 0x7d, 0xba, 0xf7, 0x73, 0x3b,
+	0x93, 0xa0, 0x32, 0x30, 0xfa, 0x24, 0x74, 0x7b, 0xf5, 0x88, 0x7d, 0x10, 0xda, 0x76, 0x0c, 0xbb,
+	0xe6, 0x6b, 0xdf, 0x91, 0xff, 0x72, 0x79, 0xbd, 0x9b, 0x3f, 0xf3, 0x2e, 0xde, 0xe0, 0xdf, 0x90,
+	0x9c, 0x91, 0xf1, 0x3b, 0xa1, 0x47, 0x12, 0xd7, 0x7b, 0x8d, 0x77, 0x56, 0x6d, 0x26, 0xb9, 0x6a,
+	0x42, 0x9e, 0xee, 0x22, 0x69, 0x5f, 0xd2, 0x59, 0xfe, 0x48, 0xc2, 0x19, 0x78, 0x52, 0x19, 0xab,
+	0xd3, 0x18, 0x94, 0x9d, 0x5a, 0x89, 0x4a, 0x2c, 0xbd, 0x3d, 0xb7, 0x32, 0x11, 0x28, 0x2f, 0xaa,
+	0xef, 0xfb, 0xac, 0x5d, 0x1c, 0x9f, 0x7f, 0x07, 0x00, 0x00, 0xff, 0xff, 0x16, 0x61, 0x3b, 0xc3,
+	0x1b, 0x03, 0x00, 0x00,
+}
+
 // Reference imports to suppress errors if they are not otherwise used.
 var _ context.Context
 var _ grpc.ClientConn
@@ -231,33 +262,3 @@ var _MetricsService_serviceDesc = grpc.ServiceDesc{
 	},
 	Metadata: "opencensus/proto/agent/metrics/v1/metrics_service.proto",
 }
-
-func init() {
-	proto.RegisterFile("opencensus/proto/agent/metrics/v1/metrics_service.proto", fileDescriptor_metrics_service_0b252d64875a1756)
-}
-
-var fileDescriptor_metrics_service_0b252d64875a1756 = []byte{
-	// 340 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x9c, 0x92, 0xc1, 0x4a, 0xf3, 0x40,
-	0x14, 0x85, 0xff, 0xf9, 0x2b, 0x55, 0xa6, 0xe0, 0x62, 0xdc, 0x94, 0x2a, 0x52, 0xab, 0x48, 0x45,
-	0x32, 0x63, 0xea, 0x42, 0x10, 0x54, 0x28, 0xb8, 0x11, 0x94, 0x12, 0x77, 0x6e, 0xa4, 0x4d, 0x2f,
-	0x71, 0x16, 0x99, 0x1b, 0x67, 0x26, 0xc1, 0x57, 0x70, 0xe5, 0x3b, 0xf8, 0x5c, 0x3e, 0x8c, 0x24,
-	0x93, 0xb4, 0x94, 0x18, 0x0b, 0xee, 0x2e, 0x99, 0xf3, 0x9d, 0x9c, 0x33, 0x73, 0xe9, 0x05, 0x26,
-	0xa0, 0x42, 0x50, 0x26, 0x35, 0x22, 0xd1, 0x68, 0x51, 0x4c, 0x23, 0x50, 0x56, 0xc4, 0x60, 0xb5,
-	0x0c, 0x8d, 0xc8, 0xfc, 0x6a, 0x7c, 0x36, 0xa0, 0x33, 0x19, 0x02, 0x2f, 0x64, 0xec, 0x60, 0x09,
-	0xba, 0x2f, 0xbc, 0x00, 0x79, 0xa9, 0xe6, 0x99, 0xdf, 0xf3, 0x1a, 0xbc, 0x43, 0x8c, 0x63, 0x54,
-	0xb9, 0xb5, 0x9b, 0x1c, 0xdf, 0x3b, 0xa9, 0xc9, 0xeb, 0x21, 0x4a, 0xe9, 0x69, 0x4d, 0xaa, 0xc1,
-	0x60, 0xaa, 0x43, 0xc8, 0xb5, 0xd5, 0xec, 0xc4, 0x83, 0x2f, 0x42, 0x77, 0x6f, 0xdf, 0x12, 0xd4,
-	0xf6, 0xde, 0x99, 0x3c, 0xba, 0x22, 0x01, 0xbc, 0xa6, 0x60, 0x2c, 0xbb, 0xa4, 0x1b, 0x0a, 0xe7,
-	0xd0, 0x25, 0x7d, 0x32, 0xec, 0x8c, 0x8e, 0x79, 0x43, 0xb1, 0x32, 0x6b, 0xe6, 0xf3, 0x07, 0x9c,
-	0x43, 0x50, 0x30, 0xec, 0x8a, 0x6e, 0x96, 0xc9, 0xba, 0xff, 0xfb, 0xad, 0x61, 0x67, 0x74, 0x58,
-	0xc7, 0x97, 0x37, 0xc2, 0x5d, 0x80, 0xa0, 0x62, 0xd8, 0x98, 0x6e, 0x55, 0x61, 0xbb, 0xad, 0xa6,
-	0xdf, 0x2f, 0xea, 0x64, 0x3e, 0x0f, 0xca, 0x39, 0x58, 0x70, 0x83, 0x7d, 0xba, 0xf7, 0x73, 0x3b,
-	0x93, 0xa0, 0x32, 0x30, 0xfa, 0x24, 0x74, 0x7b, 0xf5, 0x88, 0x7d, 0x10, 0xda, 0x76, 0x0c, 0xbb,
-	0xe6, 0x6b, 0xdf, 0x91, 0xff, 0x72, 0x79, 0xbd, 0x9b, 0x3f, 0xf3, 0x2e, 0xde, 0xe0, 0xdf, 0x90,
-	0x9c, 0x91, 0xf1, 0x3b, 0xa1, 0x47, 0x12, 0xd7, 0x7b, 0x8d, 0x77, 0x56, 0x6d, 0x26, 0xb9, 0x6a,
-	0x42, 0x9e, 0xee, 0x22, 0x69, 0x5f, 0xd2, 0x59, 0xfe, 0x48, 0xc2, 0x19, 0x78, 0x52, 0x19, 0xab,
-	0xd3, 0x18, 0x94, 0x9d, 0x5a, 0x89, 0x4a, 0x2c, 0xbd, 0x3d, 0xb7, 0x32, 0x11, 0x28, 0x2f, 0xaa,
-	0xef, 0xfb, 0xac, 0x5d, 0x1c, 0x9f, 0x7f, 0x07, 0x00, 0x00, 0xff, 0xff, 0x16, 0x61, 0x3b, 0xc3,
-	0x1b, 0x03, 0x00, 0x00,
-}

vendor/github.com/census-instrumentation/opencensus-proto/gen-go/agent/trace/v1/trace_service.pb.go

@@ -1,18 +1,17 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // source: opencensus/proto/agent/trace/v1/trace_service.proto
 
-package v1 // import "github.com/census-instrumentation/opencensus-proto/gen-go/agent/trace/v1"
+package v1
-
-import proto "github.com/golang/protobuf/proto"
-import fmt "fmt"
-import math "math"
-import v1 "github.com/census-instrumentation/opencensus-proto/gen-go/agent/common/v1"
-import v12 "github.com/census-instrumentation/opencensus-proto/gen-go/resource/v1"
-import v11 "github.com/census-instrumentation/opencensus-proto/gen-go/trace/v1"
 
 import (
-	context "golang.org/x/net/context"
+	context "context"
+	fmt "fmt"
+	v1 "github.com/census-instrumentation/opencensus-proto/gen-go/agent/common/v1"
+	v12 "github.com/census-instrumentation/opencensus-proto/gen-go/resource/v1"
+	v11 "github.com/census-instrumentation/opencensus-proto/gen-go/trace/v1"
+	proto "github.com/golang/protobuf/proto"
 	grpc "google.golang.org/grpc"
+	math "math"
 )
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -24,7 +23,7 @@ var _ = math.Inf
 // is compatible with the proto package it is being compiled against.
 // A compilation error at this line likely means your copy of the
 // proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
 type CurrentLibraryConfig struct {
 	// This is required only in the first message on the stream or if the
@@ -42,16 +41,17 @@ func (m *CurrentLibraryConfig) Reset()         { *m = CurrentLibraryConfig{} }
 func (m *CurrentLibraryConfig) String() string { return proto.CompactTextString(m) }
 func (*CurrentLibraryConfig) ProtoMessage()    {}
 func (*CurrentLibraryConfig) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_service_14d467877eaed17f, []int{0}
+	return fileDescriptor_7027f99caf7ac6a5, []int{0}
 }
+
 func (m *CurrentLibraryConfig) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_CurrentLibraryConfig.Unmarshal(m, b)
 }
 func (m *CurrentLibraryConfig) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_CurrentLibraryConfig.Marshal(b, m, deterministic)
 }
-func (dst *CurrentLibraryConfig) XXX_Merge(src proto.Message) {
+func (m *CurrentLibraryConfig) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_CurrentLibraryConfig.Merge(dst, src)
+	xxx_messageInfo_CurrentLibraryConfig.Merge(m, src)
 }
 func (m *CurrentLibraryConfig) XXX_Size() int {
 	return xxx_messageInfo_CurrentLibraryConfig.Size(m)
@@ -92,16 +92,17 @@ func (m *UpdatedLibraryConfig) Reset()         { *m = UpdatedLibraryConfig{} }
 func (m *UpdatedLibraryConfig) String() string { return proto.CompactTextString(m) }
 func (*UpdatedLibraryConfig) ProtoMessage()    {}
 func (*UpdatedLibraryConfig) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_service_14d467877eaed17f, []int{1}
+	return fileDescriptor_7027f99caf7ac6a5, []int{1}
 }
+
 func (m *UpdatedLibraryConfig) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_UpdatedLibraryConfig.Unmarshal(m, b)
 }
 func (m *UpdatedLibraryConfig) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_UpdatedLibraryConfig.Marshal(b, m, deterministic)
 }
-func (dst *UpdatedLibraryConfig) XXX_Merge(src proto.Message) {
+func (m *UpdatedLibraryConfig) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_UpdatedLibraryConfig.Merge(dst, src)
+	xxx_messageInfo_UpdatedLibraryConfig.Merge(m, src)
 }
 func (m *UpdatedLibraryConfig) XXX_Size() int {
 	return xxx_messageInfo_UpdatedLibraryConfig.Size(m)
@@ -147,16 +148,17 @@ func (m *ExportTraceServiceRequest) Reset()         { *m = ExportTraceServiceReq
 func (m *ExportTraceServiceRequest) String() string { return proto.CompactTextString(m) }
 func (*ExportTraceServiceRequest) ProtoMessage()    {}
 func (*ExportTraceServiceRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_service_14d467877eaed17f, []int{2}
+	return fileDescriptor_7027f99caf7ac6a5, []int{2}
 }
+
 func (m *ExportTraceServiceRequest) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ExportTraceServiceRequest.Unmarshal(m, b)
 }
 func (m *ExportTraceServiceRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ExportTraceServiceRequest.Marshal(b, m, deterministic)
 }
-func (dst *ExportTraceServiceRequest) XXX_Merge(src proto.Message) {
+func (m *ExportTraceServiceRequest) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ExportTraceServiceRequest.Merge(dst, src)
+	xxx_messageInfo_ExportTraceServiceRequest.Merge(m, src)
 }
 func (m *ExportTraceServiceRequest) XXX_Size() int {
 	return xxx_messageInfo_ExportTraceServiceRequest.Size(m)
@@ -198,16 +200,17 @@ func (m *ExportTraceServiceResponse) Reset()         { *m = ExportTraceServiceRe
 func (m *ExportTraceServiceResponse) String() string { return proto.CompactTextString(m) }
 func (*ExportTraceServiceResponse) ProtoMessage()    {}
 func (*ExportTraceServiceResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_service_14d467877eaed17f, []int{3}
+	return fileDescriptor_7027f99caf7ac6a5, []int{3}
 }
+
 func (m *ExportTraceServiceResponse) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ExportTraceServiceResponse.Unmarshal(m, b)
 }
 func (m *ExportTraceServiceResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ExportTraceServiceResponse.Marshal(b, m, deterministic)
 }
-func (dst *ExportTraceServiceResponse) XXX_Merge(src proto.Message) {
+func (m *ExportTraceServiceResponse) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ExportTraceServiceResponse.Merge(dst, src)
+	xxx_messageInfo_ExportTraceServiceResponse.Merge(m, src)
 }
 func (m *ExportTraceServiceResponse) XXX_Size() int {
 	return xxx_messageInfo_ExportTraceServiceResponse.Size(m)
@@ -225,6 +228,41 @@ func init() {
 	proto.RegisterType((*ExportTraceServiceResponse)(nil), "opencensus.proto.agent.trace.v1.ExportTraceServiceResponse")
 }
 
+func init() {
+	proto.RegisterFile("opencensus/proto/agent/trace/v1/trace_service.proto", fileDescriptor_7027f99caf7ac6a5)
+}
+
+var fileDescriptor_7027f99caf7ac6a5 = []byte{
+	// 423 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xcc, 0x54, 0xbf, 0x6b, 0xdb, 0x40,
+	0x14, 0xee, 0xd9, 0xad, 0x28, 0xe7, 0x2e, 0x15, 0x1d, 0x54, 0x51, 0xb0, 0x11, 0xb4, 0x18, 0x5a,
+	0x9d, 0x2a, 0x1b, 0x2f, 0x2e, 0x74, 0xb0, 0x29, 0x74, 0x28, 0xc5, 0xc8, 0xed, 0x92, 0xc5, 0xc8,
+	0xd2, 0x8b, 0xa2, 0xc1, 0x77, 0xca, 0xdd, 0x49, 0x24, 0x90, 0x2d, 0x43, 0xf6, 0x0c, 0xf9, 0xc3,
+	0xf2, 0x17, 0x05, 0xdd, 0xc9, 0x3f, 0x12, 0x5b, 0x11, 0x24, 0x4b, 0xb6, 0x87, 0xde, 0xf7, 0x7d,
+	0xf7, 0xbd, 0x7b, 0xdf, 0x09, 0x0f, 0x59, 0x06, 0x34, 0x02, 0x2a, 0x72, 0xe1, 0x65, 0x9c, 0x49,
+	0xe6, 0x85, 0x09, 0x50, 0xe9, 0x49, 0x1e, 0x46, 0xe0, 0x15, 0xbe, 0x2e, 0x16, 0x02, 0x78, 0x91,
+	0x46, 0x40, 0x14, 0xc4, 0xec, 0x6e, 0x49, 0xfa, 0x0b, 0x51, 0x24, 0xa2, 0xb0, 0xa4, 0xf0, 0x6d,
+	0xb7, 0x46, 0x35, 0x62, 0xab, 0x15, 0xa3, 0xa5, 0xac, 0xae, 0x34, 0xdb, 0xfe, 0xba, 0x07, 0xe7,
+	0x20, 0x58, 0xce, 0xb5, 0x83, 0x75, 0x5d, 0x81, 0x3f, 0xef, 0x81, 0xef, 0x7b, 0xad, 0x60, 0xdf,
+	0x1a, 0x60, 0x8b, 0x88, 0xd1, 0xe3, 0x34, 0xd1, 0x68, 0xe7, 0x1a, 0xe1, 0x0f, 0xd3, 0x9c, 0x73,
+	0xa0, 0xf2, 0x4f, 0xba, 0xe4, 0x21, 0x3f, 0x9f, 0xaa, 0xb6, 0x39, 0xc6, 0xaf, 0x29, 0x8b, 0xc1,
+	0x42, 0x3d, 0xd4, 0xef, 0x0c, 0xbe, 0x90, 0x9a, 0xc9, 0xab, 0x71, 0x0a, 0x9f, 0xfc, 0x65, 0x31,
+	0x04, 0x8a, 0x63, 0xfe, 0xc4, 0x86, 0x3e, 0xc4, 0x6a, 0xd5, 0xb1, 0xd7, 0x37, 0x46, 0xfe, 0x95,
+	0x85, 0x3e, 0x33, 0xa8, 0x58, 0xca, 0xd4, 0xff, 0x2c, 0x0e, 0x25, 0xc4, 0x2f, 0xc7, 0xd4, 0x2d,
+	0xc2, 0x1f, 0x7f, 0x9d, 0x65, 0x8c, 0x4b, 0xd5, 0x9d, 0xeb, 0x60, 0x04, 0x70, 0x9a, 0x83, 0x90,
+	0xcf, 0x72, 0x36, 0xc2, 0x6f, 0x44, 0x16, 0x52, 0x61, 0xb5, 0x7a, 0xed, 0x7e, 0x67, 0xd0, 0x7d,
+	0xc4, 0xd8, 0x3c, 0x0b, 0x69, 0xa0, 0xd1, 0xe6, 0x04, 0xbf, 0x5d, 0x27, 0xc4, 0x6a, 0xd7, 0x1d,
+	0xbb, 0xc9, 0x50, 0xe1, 0x93, 0xa0, 0xaa, 0x83, 0x0d, 0xcf, 0xf9, 0x84, 0xed, 0x43, 0x33, 0x89,
+	0x8c, 0x51, 0x01, 0x83, 0x9b, 0x16, 0x7e, 0xb7, 0xdb, 0x30, 0x2f, 0xb0, 0x51, 0x6d, 0x62, 0x44,
+	0x1a, 0x9e, 0x02, 0x39, 0x94, 0x2a, 0xbb, 0x99, 0x76, 0x68, 0xef, 0xce, 0xab, 0x3e, 0xfa, 0x8e,
+	0xcc, 0x2b, 0x84, 0x0d, 0xed, 0xd6, 0x1c, 0x37, 0xea, 0xd4, 0xae, 0xca, 0xfe, 0xf1, 0x24, 0xae,
+	0xbe, 0x12, 0xed, 0x64, 0x72, 0x89, 0xb0, 0x93, 0xb2, 0x26, 0x9d, 0xc9, 0xfb, 0x5d, 0x89, 0x59,
+	0x89, 0x98, 0xa1, 0xa3, 0xdf, 0x49, 0x2a, 0x4f, 0xf2, 0x65, 0x19, 0x05, 0x4f, 0x93, 0xdd, 0x94,
+	0x0a, 0xc9, 0xf3, 0x15, 0x50, 0x19, 0xca, 0x94, 0x51, 0x6f, 0xab, 0xeb, 0xea, 0x17, 0x9c, 0x00,
+	0x75, 0x93, 0x87, 0x7f, 0xa8, 0xa5, 0xa1, 0x9a, 0xc3, 0xbb, 0x00, 0x00, 0x00, 0xff, 0xff, 0xcf,
+	0x9c, 0x9b, 0xf7, 0xcb, 0x04, 0x00, 0x00,
+}
+
 // Reference imports to suppress errors if they are not otherwise used.
 var _ context.Context
 var _ grpc.ClientConn
@@ -403,38 +441,3 @@ var _TraceService_serviceDesc = grpc.ServiceDesc{
 	},
 	Metadata: "opencensus/proto/agent/trace/v1/trace_service.proto",
 }
-
-func init() {
-	proto.RegisterFile("opencensus/proto/agent/trace/v1/trace_service.proto", fileDescriptor_trace_service_14d467877eaed17f)
-}
-
-var fileDescriptor_trace_service_14d467877eaed17f = []byte{
-	// 423 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xcc, 0x54, 0xbf, 0x6b, 0xdb, 0x40,
-	0x14, 0xee, 0xd9, 0xad, 0x28, 0xe7, 0x2e, 0x15, 0x1d, 0x54, 0x51, 0xb0, 0x11, 0xb4, 0x18, 0x5a,
-	0x9d, 0x2a, 0x1b, 0x2f, 0x2e, 0x74, 0xb0, 0x29, 0x74, 0x28, 0xc5, 0xc8, 0xed, 0x92, 0xc5, 0xc8,
-	0xd2, 0x8b, 0xa2, 0xc1, 0x77, 0xca, 0xdd, 0x49, 0x24, 0x90, 0x2d, 0x43, 0xf6, 0x0c, 0xf9, 0xc3,
-	0xf2, 0x17, 0x05, 0xdd, 0xc9, 0x3f, 0x12, 0x5b, 0x11, 0x24, 0x4b, 0xb6, 0x87, 0xde, 0xf7, 0x7d,
-	0xf7, 0xbd, 0x7b, 0xdf, 0x09, 0x0f, 0x59, 0x06, 0x34, 0x02, 0x2a, 0x72, 0xe1, 0x65, 0x9c, 0x49,
-	0xe6, 0x85, 0x09, 0x50, 0xe9, 0x49, 0x1e, 0x46, 0xe0, 0x15, 0xbe, 0x2e, 0x16, 0x02, 0x78, 0x91,
-	0x46, 0x40, 0x14, 0xc4, 0xec, 0x6e, 0x49, 0xfa, 0x0b, 0x51, 0x24, 0xa2, 0xb0, 0xa4, 0xf0, 0x6d,
-	0xb7, 0x46, 0x35, 0x62, 0xab, 0x15, 0xa3, 0xa5, 0xac, 0xae, 0x34, 0xdb, 0xfe, 0xba, 0x07, 0xe7,
-	0x20, 0x58, 0xce, 0xb5, 0x83, 0x75, 0x5d, 0x81, 0x3f, 0xef, 0x81, 0xef, 0x7b, 0xad, 0x60, 0xdf,
-	0x1a, 0x60, 0x8b, 0x88, 0xd1, 0xe3, 0x34, 0xd1, 0x68, 0xe7, 0x1a, 0xe1, 0x0f, 0xd3, 0x9c, 0x73,
-	0xa0, 0xf2, 0x4f, 0xba, 0xe4, 0x21, 0x3f, 0x9f, 0xaa, 0xb6, 0x39, 0xc6, 0xaf, 0x29, 0x8b, 0xc1,
-	0x42, 0x3d, 0xd4, 0xef, 0x0c, 0xbe, 0x90, 0x9a, 0xc9, 0xab, 0x71, 0x0a, 0x9f, 0xfc, 0x65, 0x31,
-	0x04, 0x8a, 0x63, 0xfe, 0xc4, 0x86, 0x3e, 0xc4, 0x6a, 0xd5, 0xb1, 0xd7, 0x37, 0x46, 0xfe, 0x95,
-	0x85, 0x3e, 0x33, 0xa8, 0x58, 0xca, 0xd4, 0xff, 0x2c, 0x0e, 0x25, 0xc4, 0x2f, 0xc7, 0xd4, 0x2d,
-	0xc2, 0x1f, 0x7f, 0x9d, 0x65, 0x8c, 0x4b, 0xd5, 0x9d, 0xeb, 0x60, 0x04, 0x70, 0x9a, 0x83, 0x90,
-	0xcf, 0x72, 0x36, 0xc2, 0x6f, 0x44, 0x16, 0x52, 0x61, 0xb5, 0x7a, 0xed, 0x7e, 0x67, 0xd0, 0x7d,
-	0xc4, 0xd8, 0x3c, 0x0b, 0x69, 0xa0, 0xd1, 0xe6, 0x04, 0xbf, 0x5d, 0x27, 0xc4, 0x6a, 0xd7, 0x1d,
-	0xbb, 0xc9, 0x50, 0xe1, 0x93, 0xa0, 0xaa, 0x83, 0x0d, 0xcf, 0xf9, 0x84, 0xed, 0x43, 0x33, 0x89,
-	0x8c, 0x51, 0x01, 0x83, 0x9b, 0x16, 0x7e, 0xb7, 0xdb, 0x30, 0x2f, 0xb0, 0x51, 0x6d, 0x62, 0x44,
-	0x1a, 0x9e, 0x02, 0x39, 0x94, 0x2a, 0xbb, 0x99, 0x76, 0x68, 0xef, 0xce, 0xab, 0x3e, 0xfa, 0x8e,
-	0xcc, 0x2b, 0x84, 0x0d, 0xed, 0xd6, 0x1c, 0x37, 0xea, 0xd4, 0xae, 0xca, 0xfe, 0xf1, 0x24, 0xae,
-	0xbe, 0x12, 0xed, 0x64, 0x72, 0x89, 0xb0, 0x93, 0xb2, 0x26, 0x9d, 0xc9, 0xfb, 0x5d, 0x89, 0x59,
-	0x89, 0x98, 0xa1, 0xa3, 0xdf, 0x49, 0x2a, 0x4f, 0xf2, 0x65, 0x19, 0x05, 0x4f, 0x93, 0xdd, 0x94,
-	0x0a, 0xc9, 0xf3, 0x15, 0x50, 0x19, 0xca, 0x94, 0x51, 0x6f, 0xab, 0xeb, 0xea, 0x17, 0x9c, 0x00,
-	0x75, 0x93, 0x87, 0x7f, 0xa8, 0xa5, 0xa1, 0x9a, 0xc3, 0xbb, 0x00, 0x00, 0x00, 0xff, 0xff, 0xcf,
-	0x9c, 0x9b, 0xf7, 0xcb, 0x04, 0x00, 0x00,
-}

vendor/github.com/census-instrumentation/opencensus-proto/gen-go/agent/trace/v1/trace_service.pb.gw.go

@@ -35,7 +35,11 @@ func request_TraceService_Export_0(ctx context.Context, marshaler runtime.Marsha
 		grpclog.Infof("Failed to start streaming: %v", err)
 		return nil, metadata, err
 	}
-	dec := marshaler.NewDecoder(req.Body)
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, berr
+	}
+	dec := marshaler.NewDecoder(newReader())
 	handleSend := func() error {
 		var protoReq ExportTraceServiceRequest
 		err := dec.Decode(&protoReq)
@@ -121,15 +125,6 @@ func RegisterTraceServiceHandlerClient(ctx context.Context, mux *runtime.ServeMu
 	mux.Handle("POST", pattern_TraceService_Export_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
-		if cn, ok := w.(http.CloseNotifier); ok {
-			go func(done <-chan struct{}, closed <-chan bool) {
-				select {
-				case <-done:
-				case <-closed:
-					cancel()
-				}
-			}(ctx.Done(), cn.CloseNotify())
-		}
 		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
 		rctx, err := runtime.AnnotateContext(ctx, mux, req)
 		if err != nil {

vendor/github.com/census-instrumentation/opencensus-proto/gen-go/metrics/v1/metrics.pb.go

@@ -1,14 +1,16 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // source: opencensus/proto/metrics/v1/metrics.proto
 
-package v1 // import "github.com/census-instrumentation/opencensus-proto/gen-go/metrics/v1"
+package v1
 
-import proto "github.com/golang/protobuf/proto"
+import (
-import fmt "fmt"
+	fmt "fmt"
-import math "math"
+	v1 "github.com/census-instrumentation/opencensus-proto/gen-go/resource/v1"
-import v1 "github.com/census-instrumentation/opencensus-proto/gen-go/resource/v1"
+	proto "github.com/golang/protobuf/proto"
-import timestamp "github.com/golang/protobuf/ptypes/timestamp"
+	timestamp "github.com/golang/protobuf/ptypes/timestamp"
-import wrappers "github.com/golang/protobuf/ptypes/wrappers"
+	wrappers "github.com/golang/protobuf/ptypes/wrappers"
+	math "math"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
@@ -19,7 +21,7 @@ var _ = math.Inf
 // is compatible with the proto package it is being compiled against.
 // A compilation error at this line likely means your copy of the
 // proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
 // The kind of metric. It describes how the data is reported.
 //
@@ -72,6 +74,7 @@ var MetricDescriptor_Type_name = map[int32]string{
 	6: "CUMULATIVE_DISTRIBUTION",
 	7: "SUMMARY",
 }
+
 var MetricDescriptor_Type_value = map[string]int32{
 	"UNSPECIFIED":             0,
 	"GAUGE_INT64":             1,
@@ -86,26 +89,23 @@ var MetricDescriptor_Type_value = map[string]int32{
 func (x MetricDescriptor_Type) String() string {
 	return proto.EnumName(MetricDescriptor_Type_name, int32(x))
 }
+
 func (MetricDescriptor_Type) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_metrics_d25fbad7c11497fc, []int{1, 0}
+	return fileDescriptor_0ee3deb72053811a, []int{1, 0}
 }
 
 // Defines a Metric which has one or more timeseries.
 type Metric struct {
-	// The descriptor of the Metric. This is an optimization for network wire
+	// The descriptor of the Metric.
-	// size, from data-model perspective a Metric contains always a
+	// TODO(issue #152): consider only sending the name of descriptor for
-	// MetricDescriptor.
+	// optimization.
-	//
+	MetricDescriptor *MetricDescriptor `protobuf:"bytes,1,opt,name=metric_descriptor,json=metricDescriptor,proto3" json:"metric_descriptor,omitempty"`
-	// Types that are valid to be assigned to Descriptor_:
-	//	*Metric_MetricDescriptor
-	//	*Metric_Name
-	Descriptor_ isMetric_Descriptor_ `protobuf_oneof:"descriptor"`
 	// One or more timeseries for a single metric, where each timeseries has
 	// one or more points.
-	Timeseries []*TimeSeries `protobuf:"bytes,3,rep,name=timeseries,proto3" json:"timeseries,omitempty"`
+	Timeseries []*TimeSeries `protobuf:"bytes,2,rep,name=timeseries,proto3" json:"timeseries,omitempty"`
 	// The resource for the metric. If unset, it may be set to a default value
 	// provided for a sequence of messages in an RPC stream.
-	Resource             *v1.Resource `protobuf:"bytes,4,opt,name=resource,proto3" json:"resource,omitempty"`
+	Resource             *v1.Resource `protobuf:"bytes,3,opt,name=resource,proto3" json:"resource,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}     `json:"-"`
 	XXX_unrecognized     []byte       `json:"-"`
 	XXX_sizecache        int32        `json:"-"`
@@ -115,16 +115,17 @@ func (m *Metric) Reset()         { *m = Metric{} }
 func (m *Metric) String() string { return proto.CompactTextString(m) }
 func (*Metric) ProtoMessage()    {}
 func (*Metric) Descriptor() ([]byte, []int) {
-	return fileDescriptor_metrics_d25fbad7c11497fc, []int{0}
+	return fileDescriptor_0ee3deb72053811a, []int{0}
 }
+
 func (m *Metric) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Metric.Unmarshal(m, b)
 }
 func (m *Metric) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Metric.Marshal(b, m, deterministic)
 }
-func (dst *Metric) XXX_Merge(src proto.Message) {
+func (m *Metric) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Metric.Merge(dst, src)
+	xxx_messageInfo_Metric.Merge(m, src)
 }
 func (m *Metric) XXX_Size() int {
 	return xxx_messageInfo_Metric.Size(m)
@@ -135,43 +136,13 @@ func (m *Metric) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_Metric proto.InternalMessageInfo
 
-type isMetric_Descriptor_ interface {
-	isMetric_Descriptor_()
-}
-
-type Metric_MetricDescriptor struct {
-	MetricDescriptor *MetricDescriptor `protobuf:"bytes,1,opt,name=metric_descriptor,json=metricDescriptor,proto3,oneof"`
-}
-
-type Metric_Name struct {
-	Name string `protobuf:"bytes,2,opt,name=name,proto3,oneof"`
-}
-
-func (*Metric_MetricDescriptor) isMetric_Descriptor_() {}
-
-func (*Metric_Name) isMetric_Descriptor_() {}
-
-func (m *Metric) GetDescriptor_() isMetric_Descriptor_ {
-	if m != nil {
-		return m.Descriptor_
-	}
-	return nil
-}
-
 func (m *Metric) GetMetricDescriptor() *MetricDescriptor {
-	if x, ok := m.GetDescriptor_().(*Metric_MetricDescriptor); ok {
+	if m != nil {
-		return x.MetricDescriptor
+		return m.MetricDescriptor
 	}
 	return nil
 }
 
-func (m *Metric) GetName() string {
-	if x, ok := m.GetDescriptor_().(*Metric_Name); ok {
-		return x.Name
-	}
-	return ""
-}
-
 func (m *Metric) GetTimeseries() []*TimeSeries {
 	if m != nil {
 		return m.Timeseries
@@ -186,76 +157,6 @@ func (m *Metric) GetResource() *v1.Resource {
 	return nil
 }
 
-// XXX_OneofFuncs is for the internal use of the proto package.
-func (*Metric) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{}) {
-	return _Metric_OneofMarshaler, _Metric_OneofUnmarshaler, _Metric_OneofSizer, []interface{}{
-		(*Metric_MetricDescriptor)(nil),
-		(*Metric_Name)(nil),
-	}
-}
-
-func _Metric_OneofMarshaler(msg proto.Message, b *proto.Buffer) error {
-	m := msg.(*Metric)
-	// descriptor
-	switch x := m.Descriptor_.(type) {
-	case *Metric_MetricDescriptor:
-		b.EncodeVarint(1<<3 | proto.WireBytes)
-		if err := b.EncodeMessage(x.MetricDescriptor); err != nil {
-			return err
-		}
-	case *Metric_Name:
-		b.EncodeVarint(2<<3 | proto.WireBytes)
-		b.EncodeStringBytes(x.Name)
-	case nil:
-	default:
-		return fmt.Errorf("Metric.Descriptor_ has unexpected type %T", x)
-	}
-	return nil
-}
-
-func _Metric_OneofUnmarshaler(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error) {
-	m := msg.(*Metric)
-	switch tag {
-	case 1: // descriptor.metric_descriptor
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		msg := new(MetricDescriptor)
-		err := b.DecodeMessage(msg)
-		m.Descriptor_ = &Metric_MetricDescriptor{msg}
-		return true, err
-	case 2: // descriptor.name
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		x, err := b.DecodeStringBytes()
-		m.Descriptor_ = &Metric_Name{x}
-		return true, err
-	default:
-		return false, nil
-	}
-}
-
-func _Metric_OneofSizer(msg proto.Message) (n int) {
-	m := msg.(*Metric)
-	// descriptor
-	switch x := m.Descriptor_.(type) {
-	case *Metric_MetricDescriptor:
-		s := proto.Size(x.MetricDescriptor)
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(s))
-		n += s
-	case *Metric_Name:
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(len(x.Name)))
-		n += len(x.Name)
-	case nil:
-	default:
-		panic(fmt.Sprintf("proto: unexpected type %T in oneof", x))
-	}
-	return n
-}
-
 // Defines a metric type and its schema.
 type MetricDescriptor struct {
 	// The metric type, including its DNS name prefix. It must be unique.
@@ -277,16 +178,17 @@ func (m *MetricDescriptor) Reset()         { *m = MetricDescriptor{} }
 func (m *MetricDescriptor) String() string { return proto.CompactTextString(m) }
 func (*MetricDescriptor) ProtoMessage()    {}
 func (*MetricDescriptor) Descriptor() ([]byte, []int) {
-	return fileDescriptor_metrics_d25fbad7c11497fc, []int{1}
+	return fileDescriptor_0ee3deb72053811a, []int{1}
 }
+
 func (m *MetricDescriptor) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_MetricDescriptor.Unmarshal(m, b)
 }
 func (m *MetricDescriptor) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_MetricDescriptor.Marshal(b, m, deterministic)
 }
-func (dst *MetricDescriptor) XXX_Merge(src proto.Message) {
+func (m *MetricDescriptor) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_MetricDescriptor.Merge(dst, src)
+	xxx_messageInfo_MetricDescriptor.Merge(m, src)
 }
 func (m *MetricDescriptor) XXX_Size() int {
 	return xxx_messageInfo_MetricDescriptor.Size(m)
@@ -347,16 +249,17 @@ func (m *LabelKey) Reset()         { *m = LabelKey{} }
 func (m *LabelKey) String() string { return proto.CompactTextString(m) }
 func (*LabelKey) ProtoMessage()    {}
 func (*LabelKey) Descriptor() ([]byte, []int) {
-	return fileDescriptor_metrics_d25fbad7c11497fc, []int{2}
+	return fileDescriptor_0ee3deb72053811a, []int{2}
 }
+
 func (m *LabelKey) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_LabelKey.Unmarshal(m, b)
 }
 func (m *LabelKey) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_LabelKey.Marshal(b, m, deterministic)
 }
-func (dst *LabelKey) XXX_Merge(src proto.Message) {
+func (m *LabelKey) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_LabelKey.Merge(dst, src)
+	xxx_messageInfo_LabelKey.Merge(m, src)
 }
 func (m *LabelKey) XXX_Size() int {
 	return xxx_messageInfo_LabelKey.Size(m)
@@ -405,16 +308,17 @@ func (m *TimeSeries) Reset()         { *m = TimeSeries{} }
 func (m *TimeSeries) String() string { return proto.CompactTextString(m) }
 func (*TimeSeries) ProtoMessage()    {}
 func (*TimeSeries) Descriptor() ([]byte, []int) {
-	return fileDescriptor_metrics_d25fbad7c11497fc, []int{3}
+	return fileDescriptor_0ee3deb72053811a, []int{3}
 }
+
 func (m *TimeSeries) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_TimeSeries.Unmarshal(m, b)
 }
 func (m *TimeSeries) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_TimeSeries.Marshal(b, m, deterministic)
 }
-func (dst *TimeSeries) XXX_Merge(src proto.Message) {
+func (m *TimeSeries) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_TimeSeries.Merge(dst, src)
+	xxx_messageInfo_TimeSeries.Merge(m, src)
 }
 func (m *TimeSeries) XXX_Size() int {
 	return xxx_messageInfo_TimeSeries.Size(m)
@@ -461,16 +365,17 @@ func (m *LabelValue) Reset()         { *m = LabelValue{} }
 func (m *LabelValue) String() string { return proto.CompactTextString(m) }
 func (*LabelValue) ProtoMessage()    {}
 func (*LabelValue) Descriptor() ([]byte, []int) {
-	return fileDescriptor_metrics_d25fbad7c11497fc, []int{4}
+	return fileDescriptor_0ee3deb72053811a, []int{4}
 }
+
 func (m *LabelValue) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_LabelValue.Unmarshal(m, b)
 }
 func (m *LabelValue) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_LabelValue.Marshal(b, m, deterministic)
 }
-func (dst *LabelValue) XXX_Merge(src proto.Message) {
+func (m *LabelValue) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_LabelValue.Merge(dst, src)
+	xxx_messageInfo_LabelValue.Merge(m, src)
 }
 func (m *LabelValue) XXX_Size() int {
 	return xxx_messageInfo_LabelValue.Size(m)
@@ -517,16 +422,17 @@ func (m *Point) Reset()         { *m = Point{} }
 func (m *Point) String() string { return proto.CompactTextString(m) }
 func (*Point) ProtoMessage()    {}
 func (*Point) Descriptor() ([]byte, []int) {
-	return fileDescriptor_metrics_d25fbad7c11497fc, []int{5}
+	return fileDescriptor_0ee3deb72053811a, []int{5}
 }
+
 func (m *Point) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Point.Unmarshal(m, b)
 }
 func (m *Point) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Point.Marshal(b, m, deterministic)
 }
-func (dst *Point) XXX_Merge(src proto.Message) {
+func (m *Point) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Point.Merge(dst, src)
+	xxx_messageInfo_Point.Merge(m, src)
 }
 func (m *Point) XXX_Size() int {
 	return xxx_messageInfo_Point.Size(m)
@@ -607,9 +513,9 @@ func (m *Point) GetSummaryValue() *SummaryValue {
 	return nil
 }
 
-// XXX_OneofFuncs is for the internal use of the proto package.
+// XXX_OneofWrappers is for the internal use of the proto package.
-func (*Point) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{}) {
+func (*Point) XXX_OneofWrappers() []interface{} {
-	return _Point_OneofMarshaler, _Point_OneofUnmarshaler, _Point_OneofSizer, []interface{}{
+	return []interface{}{
 		(*Point_Int64Value)(nil),
 		(*Point_DoubleValue)(nil),
 		(*Point_DistributionValue)(nil),
@@ -617,98 +523,6 @@ func (*Point) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error,
 	}
 }
 
-func _Point_OneofMarshaler(msg proto.Message, b *proto.Buffer) error {
-	m := msg.(*Point)
-	// value
-	switch x := m.Value.(type) {
-	case *Point_Int64Value:
-		b.EncodeVarint(2<<3 | proto.WireVarint)
-		b.EncodeVarint(uint64(x.Int64Value))
-	case *Point_DoubleValue:
-		b.EncodeVarint(3<<3 | proto.WireFixed64)
-		b.EncodeFixed64(math.Float64bits(x.DoubleValue))
-	case *Point_DistributionValue:
-		b.EncodeVarint(4<<3 | proto.WireBytes)
-		if err := b.EncodeMessage(x.DistributionValue); err != nil {
-			return err
-		}
-	case *Point_SummaryValue:
-		b.EncodeVarint(5<<3 | proto.WireBytes)
-		if err := b.EncodeMessage(x.SummaryValue); err != nil {
-			return err
-		}
-	case nil:
-	default:
-		return fmt.Errorf("Point.Value has unexpected type %T", x)
-	}
-	return nil
-}
-
-func _Point_OneofUnmarshaler(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error) {
-	m := msg.(*Point)
-	switch tag {
-	case 2: // value.int64_value
-		if wire != proto.WireVarint {
-			return true, proto.ErrInternalBadWireType
-		}
-		x, err := b.DecodeVarint()
-		m.Value = &Point_Int64Value{int64(x)}
-		return true, err
-	case 3: // value.double_value
-		if wire != proto.WireFixed64 {
-			return true, proto.ErrInternalBadWireType
-		}
-		x, err := b.DecodeFixed64()
-		m.Value = &Point_DoubleValue{math.Float64frombits(x)}
-		return true, err
-	case 4: // value.distribution_value
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		msg := new(DistributionValue)
-		err := b.DecodeMessage(msg)
-		m.Value = &Point_DistributionValue{msg}
-		return true, err
-	case 5: // value.summary_value
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		msg := new(SummaryValue)
-		err := b.DecodeMessage(msg)
-		m.Value = &Point_SummaryValue{msg}
-		return true, err
-	default:
-		return false, nil
-	}
-}
-
-func _Point_OneofSizer(msg proto.Message) (n int) {
-	m := msg.(*Point)
-	// value
-	switch x := m.Value.(type) {
-	case *Point_Int64Value:
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(x.Int64Value))
-	case *Point_DoubleValue:
-		n += 1 // tag and wire
-		n += 8
-	case *Point_DistributionValue:
-		s := proto.Size(x.DistributionValue)
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(s))
-		n += s
-	case *Point_SummaryValue:
-		s := proto.Size(x.SummaryValue)
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(s))
-		n += s
-	case nil:
-	default:
-		panic(fmt.Sprintf("proto: unexpected type %T in oneof", x))
-	}
-	return n
-}
-
 // Distribution contains summary statistics for a population of values. It
 // optionally contains a histogram representing the distribution of those
 // values across a set of buckets.
@@ -731,8 +545,9 @@ type DistributionValue struct {
 	// If count is zero then this field must be zero.
 	SumOfSquaredDeviation float64 `protobuf:"fixed64,3,opt,name=sum_of_squared_deviation,json=sumOfSquaredDeviation,proto3" json:"sum_of_squared_deviation,omitempty"`
 	// Don't change bucket boundaries within a TimeSeries if your backend doesn't
-	// support this. To save network bandwidth this field can be sent only the
+	// support this.
-	// first time a metric is sent when using a streaming RPC.
+	// TODO(issue #152): consider not required to send bucket options for
+	// optimization.
 	BucketOptions *DistributionValue_BucketOptions `protobuf:"bytes,4,opt,name=bucket_options,json=bucketOptions,proto3" json:"bucket_options,omitempty"`
 	// If the distribution does not have a histogram, then omit this field.
 	// If there is a histogram, then the sum of the values in the Bucket counts
@@ -747,16 +562,17 @@ func (m *DistributionValue) Reset()         { *m = DistributionValue{} }
 func (m *DistributionValue) String() string { return proto.CompactTextString(m) }
 func (*DistributionValue) ProtoMessage()    {}
 func (*DistributionValue) Descriptor() ([]byte, []int) {
-	return fileDescriptor_metrics_d25fbad7c11497fc, []int{6}
+	return fileDescriptor_0ee3deb72053811a, []int{6}
 }
+
 func (m *DistributionValue) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_DistributionValue.Unmarshal(m, b)
 }
 func (m *DistributionValue) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_DistributionValue.Marshal(b, m, deterministic)
 }
-func (dst *DistributionValue) XXX_Merge(src proto.Message) {
+func (m *DistributionValue) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_DistributionValue.Merge(dst, src)
+	xxx_messageInfo_DistributionValue.Merge(m, src)
 }
 func (m *DistributionValue) XXX_Size() int {
 	return xxx_messageInfo_DistributionValue.Size(m)
@@ -821,16 +637,17 @@ func (m *DistributionValue_BucketOptions) Reset()         { *m = DistributionVal
 func (m *DistributionValue_BucketOptions) String() string { return proto.CompactTextString(m) }
 func (*DistributionValue_BucketOptions) ProtoMessage()    {}
 func (*DistributionValue_BucketOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_metrics_d25fbad7c11497fc, []int{6, 0}
+	return fileDescriptor_0ee3deb72053811a, []int{6, 0}
 }
+
 func (m *DistributionValue_BucketOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_DistributionValue_BucketOptions.Unmarshal(m, b)
 }
 func (m *DistributionValue_BucketOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_DistributionValue_BucketOptions.Marshal(b, m, deterministic)
 }
-func (dst *DistributionValue_BucketOptions) XXX_Merge(src proto.Message) {
+func (m *DistributionValue_BucketOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_DistributionValue_BucketOptions.Merge(dst, src)
+	xxx_messageInfo_DistributionValue_BucketOptions.Merge(m, src)
 }
 func (m *DistributionValue_BucketOptions) XXX_Size() int {
 	return xxx_messageInfo_DistributionValue_BucketOptions.Size(m)
@@ -865,68 +682,20 @@ func (m *DistributionValue_BucketOptions) GetExplicit() *DistributionValue_Bucke
 	return nil
 }
 
-// XXX_OneofFuncs is for the internal use of the proto package.
+// XXX_OneofWrappers is for the internal use of the proto package.
-func (*DistributionValue_BucketOptions) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{}) {
+func (*DistributionValue_BucketOptions) XXX_OneofWrappers() []interface{} {
-	return _DistributionValue_BucketOptions_OneofMarshaler, _DistributionValue_BucketOptions_OneofUnmarshaler, _DistributionValue_BucketOptions_OneofSizer, []interface{}{
+	return []interface{}{
 		(*DistributionValue_BucketOptions_Explicit_)(nil),
 	}
 }
 
-func _DistributionValue_BucketOptions_OneofMarshaler(msg proto.Message, b *proto.Buffer) error {
-	m := msg.(*DistributionValue_BucketOptions)
-	// type
-	switch x := m.Type.(type) {
-	case *DistributionValue_BucketOptions_Explicit_:
-		b.EncodeVarint(1<<3 | proto.WireBytes)
-		if err := b.EncodeMessage(x.Explicit); err != nil {
-			return err
-		}
-	case nil:
-	default:
-		return fmt.Errorf("DistributionValue_BucketOptions.Type has unexpected type %T", x)
-	}
-	return nil
-}
-
-func _DistributionValue_BucketOptions_OneofUnmarshaler(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error) {
-	m := msg.(*DistributionValue_BucketOptions)
-	switch tag {
-	case 1: // type.explicit
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		msg := new(DistributionValue_BucketOptions_Explicit)
-		err := b.DecodeMessage(msg)
-		m.Type = &DistributionValue_BucketOptions_Explicit_{msg}
-		return true, err
-	default:
-		return false, nil
-	}
-}
-
-func _DistributionValue_BucketOptions_OneofSizer(msg proto.Message) (n int) {
-	m := msg.(*DistributionValue_BucketOptions)
-	// type
-	switch x := m.Type.(type) {
-	case *DistributionValue_BucketOptions_Explicit_:
-		s := proto.Size(x.Explicit)
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(s))
-		n += s
-	case nil:
-	default:
-		panic(fmt.Sprintf("proto: unexpected type %T in oneof", x))
-	}
-	return n
-}
-
 // Specifies a set of buckets with arbitrary upper-bounds.
 // This defines size(bounds) + 1 (= N) buckets. The boundaries for bucket
 // index i are:
 //
 // [0, bucket_bounds[i]) for i == 0
 // [bucket_bounds[i-1], bucket_bounds[i]) for 0 < i < N-1
-// [bucket_bounds[i-1], +infinity) for i == N-1
+// [bucket_bounds[i], +infinity) for i == N-1
 type DistributionValue_BucketOptions_Explicit struct {
 	// The values must be strictly increasing and > 0.
 	Bounds               []float64 `protobuf:"fixed64,1,rep,packed,name=bounds,proto3" json:"bounds,omitempty"`
@@ -941,16 +710,17 @@ func (m *DistributionValue_BucketOptions_Explicit) Reset() {
 func (m *DistributionValue_BucketOptions_Explicit) String() string { return proto.CompactTextString(m) }
 func (*DistributionValue_BucketOptions_Explicit) ProtoMessage()    {}
 func (*DistributionValue_BucketOptions_Explicit) Descriptor() ([]byte, []int) {
-	return fileDescriptor_metrics_d25fbad7c11497fc, []int{6, 0, 0}
+	return fileDescriptor_0ee3deb72053811a, []int{6, 0, 0}
 }
+
 func (m *DistributionValue_BucketOptions_Explicit) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_DistributionValue_BucketOptions_Explicit.Unmarshal(m, b)
 }
 func (m *DistributionValue_BucketOptions_Explicit) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_DistributionValue_BucketOptions_Explicit.Marshal(b, m, deterministic)
 }
-func (dst *DistributionValue_BucketOptions_Explicit) XXX_Merge(src proto.Message) {
+func (m *DistributionValue_BucketOptions_Explicit) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_DistributionValue_BucketOptions_Explicit.Merge(dst, src)
+	xxx_messageInfo_DistributionValue_BucketOptions_Explicit.Merge(m, src)
 }
 func (m *DistributionValue_BucketOptions_Explicit) XXX_Size() int {
 	return xxx_messageInfo_DistributionValue_BucketOptions_Explicit.Size(m)
@@ -983,16 +753,17 @@ func (m *DistributionValue_Bucket) Reset()         { *m = DistributionValue_Buck
 func (m *DistributionValue_Bucket) String() string { return proto.CompactTextString(m) }
 func (*DistributionValue_Bucket) ProtoMessage()    {}
 func (*DistributionValue_Bucket) Descriptor() ([]byte, []int) {
-	return fileDescriptor_metrics_d25fbad7c11497fc, []int{6, 1}
+	return fileDescriptor_0ee3deb72053811a, []int{6, 1}
 }
+
 func (m *DistributionValue_Bucket) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_DistributionValue_Bucket.Unmarshal(m, b)
 }
 func (m *DistributionValue_Bucket) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_DistributionValue_Bucket.Marshal(b, m, deterministic)
 }
-func (dst *DistributionValue_Bucket) XXX_Merge(src proto.Message) {
+func (m *DistributionValue_Bucket) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_DistributionValue_Bucket.Merge(dst, src)
+	xxx_messageInfo_DistributionValue_Bucket.Merge(m, src)
 }
 func (m *DistributionValue_Bucket) XXX_Size() int {
 	return xxx_messageInfo_DistributionValue_Bucket.Size(m)
@@ -1037,16 +808,17 @@ func (m *DistributionValue_Exemplar) Reset()         { *m = DistributionValue_Ex
 func (m *DistributionValue_Exemplar) String() string { return proto.CompactTextString(m) }
 func (*DistributionValue_Exemplar) ProtoMessage()    {}
 func (*DistributionValue_Exemplar) Descriptor() ([]byte, []int) {
-	return fileDescriptor_metrics_d25fbad7c11497fc, []int{6, 2}
+	return fileDescriptor_0ee3deb72053811a, []int{6, 2}
 }
+
 func (m *DistributionValue_Exemplar) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_DistributionValue_Exemplar.Unmarshal(m, b)
 }
 func (m *DistributionValue_Exemplar) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_DistributionValue_Exemplar.Marshal(b, m, deterministic)
 }
-func (dst *DistributionValue_Exemplar) XXX_Merge(src proto.Message) {
+func (m *DistributionValue_Exemplar) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_DistributionValue_Exemplar.Merge(dst, src)
+	xxx_messageInfo_DistributionValue_Exemplar.Merge(m, src)
 }
 func (m *DistributionValue_Exemplar) XXX_Size() int {
 	return xxx_messageInfo_DistributionValue_Exemplar.Size(m)
@@ -1098,16 +870,17 @@ func (m *SummaryValue) Reset()         { *m = SummaryValue{} }
 func (m *SummaryValue) String() string { return proto.CompactTextString(m) }
 func (*SummaryValue) ProtoMessage()    {}
 func (*SummaryValue) Descriptor() ([]byte, []int) {
-	return fileDescriptor_metrics_d25fbad7c11497fc, []int{7}
+	return fileDescriptor_0ee3deb72053811a, []int{7}
 }
+
 func (m *SummaryValue) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_SummaryValue.Unmarshal(m, b)
 }
 func (m *SummaryValue) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_SummaryValue.Marshal(b, m, deterministic)
 }
-func (dst *SummaryValue) XXX_Merge(src proto.Message) {
+func (m *SummaryValue) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_SummaryValue.Merge(dst, src)
+	xxx_messageInfo_SummaryValue.Merge(m, src)
 }
 func (m *SummaryValue) XXX_Size() int {
 	return xxx_messageInfo_SummaryValue.Size(m)
@@ -1161,16 +934,17 @@ func (m *SummaryValue_Snapshot) Reset()         { *m = SummaryValue_Snapshot{} }
 func (m *SummaryValue_Snapshot) String() string { return proto.CompactTextString(m) }
 func (*SummaryValue_Snapshot) ProtoMessage()    {}
 func (*SummaryValue_Snapshot) Descriptor() ([]byte, []int) {
-	return fileDescriptor_metrics_d25fbad7c11497fc, []int{7, 0}
+	return fileDescriptor_0ee3deb72053811a, []int{7, 0}
 }
+
 func (m *SummaryValue_Snapshot) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_SummaryValue_Snapshot.Unmarshal(m, b)
 }
 func (m *SummaryValue_Snapshot) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_SummaryValue_Snapshot.Marshal(b, m, deterministic)
 }
-func (dst *SummaryValue_Snapshot) XXX_Merge(src proto.Message) {
+func (m *SummaryValue_Snapshot) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_SummaryValue_Snapshot.Merge(dst, src)
+	xxx_messageInfo_SummaryValue_Snapshot.Merge(m, src)
 }
 func (m *SummaryValue_Snapshot) XXX_Size() int {
 	return xxx_messageInfo_SummaryValue_Snapshot.Size(m)
@@ -1220,16 +994,17 @@ func (m *SummaryValue_Snapshot_ValueAtPercentile) Reset() {
 func (m *SummaryValue_Snapshot_ValueAtPercentile) String() string { return proto.CompactTextString(m) }
 func (*SummaryValue_Snapshot_ValueAtPercentile) ProtoMessage()    {}
 func (*SummaryValue_Snapshot_ValueAtPercentile) Descriptor() ([]byte, []int) {
-	return fileDescriptor_metrics_d25fbad7c11497fc, []int{7, 0, 0}
+	return fileDescriptor_0ee3deb72053811a, []int{7, 0, 0}
 }
+
 func (m *SummaryValue_Snapshot_ValueAtPercentile) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_SummaryValue_Snapshot_ValueAtPercentile.Unmarshal(m, b)
 }
 func (m *SummaryValue_Snapshot_ValueAtPercentile) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_SummaryValue_Snapshot_ValueAtPercentile.Marshal(b, m, deterministic)
 }
-func (dst *SummaryValue_Snapshot_ValueAtPercentile) XXX_Merge(src proto.Message) {
+func (m *SummaryValue_Snapshot_ValueAtPercentile) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_SummaryValue_Snapshot_ValueAtPercentile.Merge(dst, src)
+	xxx_messageInfo_SummaryValue_Snapshot_ValueAtPercentile.Merge(m, src)
 }
 func (m *SummaryValue_Snapshot_ValueAtPercentile) XXX_Size() int {
 	return xxx_messageInfo_SummaryValue_Snapshot_ValueAtPercentile.Size(m)
@@ -1255,6 +1030,7 @@ func (m *SummaryValue_Snapshot_ValueAtPercentile) GetValue() float64 {
 }
 
 func init() {
+	proto.RegisterEnum("opencensus.proto.metrics.v1.MetricDescriptor_Type", MetricDescriptor_Type_name, MetricDescriptor_Type_value)
 	proto.RegisterType((*Metric)(nil), "opencensus.proto.metrics.v1.Metric")
 	proto.RegisterType((*MetricDescriptor)(nil), "opencensus.proto.metrics.v1.MetricDescriptor")
 	proto.RegisterType((*LabelKey)(nil), "opencensus.proto.metrics.v1.LabelKey")
@@ -1270,83 +1046,81 @@ func init() {
 	proto.RegisterType((*SummaryValue)(nil), "opencensus.proto.metrics.v1.SummaryValue")
 	proto.RegisterType((*SummaryValue_Snapshot)(nil), "opencensus.proto.metrics.v1.SummaryValue.Snapshot")
 	proto.RegisterType((*SummaryValue_Snapshot_ValueAtPercentile)(nil), "opencensus.proto.metrics.v1.SummaryValue.Snapshot.ValueAtPercentile")
-	proto.RegisterEnum("opencensus.proto.metrics.v1.MetricDescriptor_Type", MetricDescriptor_Type_name, MetricDescriptor_Type_value)
 }
 
 func init() {
-	proto.RegisterFile("opencensus/proto/metrics/v1/metrics.proto", fileDescriptor_metrics_d25fbad7c11497fc)
+	proto.RegisterFile("opencensus/proto/metrics/v1/metrics.proto", fileDescriptor_0ee3deb72053811a)
 }
 
-var fileDescriptor_metrics_d25fbad7c11497fc = []byte{
+var fileDescriptor_0ee3deb72053811a = []byte{
-	// 1114 bytes of a gzipped FileDescriptorProto
+	// 1098 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xbc, 0x56, 0xdd, 0x6e, 0x1b, 0xc5,
-	0x17, 0xf7, 0xda, 0x89, 0xe3, 0x9c, 0x75, 0xd3, 0xf5, 0x28, 0xed, 0xdf, 0x72, 0xfe, 0x0a, 0x61,
+	0x17, 0xcf, 0xda, 0x8e, 0xe3, 0x9c, 0x75, 0xdb, 0xf5, 0xa8, 0xed, 0xdf, 0xda, 0xfc, 0x15, 0xc2,
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-	0xb1, 0xb3, 0x10, 0x72, 0x37, 0xd9, 0x35, 0x71, 0x85, 0x8c, 0x74, 0xca, 0xd4, 0xc6, 0xff, 0x17,
+	0x2f, 0x04, 0xb4, 0xb3, 0xc3, 0x23, 0x76, 0xf0, 0x0c, 0x2a, 0xd4, 0xb3, 0x02, 0x7a, 0xe5, 0x33,
-	0x00, 0xad, 0x74, 0xf1, 0x88, 0x19, 0x3c, 0x87, 0x12, 0x75, 0x4d, 0x9f, 0x5e, 0x7b, 0xe2, 0xc3,
+	0xf9, 0x0d, 0xd1, 0x7c, 0xeb, 0xbb, 0x60, 0xf6, 0x65, 0x24, 0x4e, 0x31, 0xf4, 0x9f, 0x0b, 0x50,
-	0xad, 0xbe, 0xe1, 0x23, 0x9d, 0xf5, 0xcf, 0xe8, 0x4b, 0x24, 0x4e, 0x38, 0x6a, 0xbf, 0xe4, 0xa1,
+	0x49, 0xcc, 0xff, 0x05, 0xff, 0x37, 0x50, 0x0b, 0x48, 0x68, 0x13, 0x8f, 0x39, 0xc9, 0x99, 0x4d,
-	0x14, 0xab, 0xff, 0x0b, 0xff, 0x5f, 0x43, 0xc5, 0x27, 0x81, 0x45, 0x5c, 0x66, 0xc7, 0x6b, 0x36,
+	0xba, 0xdc, 0x5e, 0x3d, 0x11, 0x93, 0xab, 0x07, 0xac, 0x97, 0x42, 0x62, 0x2d, 0x83, 0x17, 0xff,
-	0xae, 0x72, 0x6b, 0xf5, 0x40, 0x0c, 0x2e, 0x1e, 0xb1, 0x5e, 0x42, 0x89, 0xb5, 0x94, 0x5e, 0x7c,
+	0x5c, 0x7a, 0x17, 0x6a, 0x0b, 0x6e, 0x68, 0x1b, 0x20, 0x73, 0x94, 0xc3, 0x9b, 0xb3, 0xdc, 0xec,
-	0xb9, 0x6a, 0x5d, 0xa8, 0x2c, 0x98, 0xa1, 0x5d, 0x80, 0xd4, 0x50, 0x36, 0x6f, 0x46, 0x73, 0xbb,
+	0x7a, 0x32, 0xd7, 0xad, 0x19, 0x6c, 0x3b, 0xfe, 0x32, 0x9a, 0xad, 0xaa, 0xf8, 0x2a, 0xa2, 0xbd,
-	0xea, 0x71, 0x5f, 0x37, 0x67, 0xb0, 0x6b, 0x7b, 0xcb, 0xdc, 0x6c, 0x96, 0xc5, 0x5f, 0x11, 0xed,
+	0xf8, 0xa1, 0xa7, 0xbc, 0x6e, 0x5f, 0x3a, 0xec, 0x2a, 0x1a, 0x9b, 0xb6, 0xef, 0x36, 0x44, 0xcc,
-	0x45, 0x17, 0x3d, 0xe5, 0xab, 0xd6, 0x95, 0xcd, 0xae, 0xc3, 0xb1, 0x61, 0x79, 0x4e, 0x5d, 0x60,
+	0x9e, 0xe3, 0x51, 0x16, 0x46, 0xf1, 0xcc, 0xf1, 0xeb, 0xd8, 0xc8, 0xe0, 0xf6, 0xc4, 0x27, 0xef,
-	0x0e, 0x6c, 0x97, 0xb2, 0x20, 0x8c, 0x7a, 0x8e, 0x6f, 0xc7, 0x7a, 0x4a, 0x77, 0x20, 0x7e, 0x8c,
+	0x25, 0xf1, 0xf6, 0x2e, 0xf3, 0x9f, 0xe0, 0xe3, 0x32, 0x7f, 0xf8, 0xf4, 0xcf, 0x00, 0x00, 0x00,
-	0xaf, 0x88, 0x7b, 0x70, 0x95, 0xfd, 0x51, 0x1f, 0x17, 0xf9, 0xc5, 0xc7, 0x7f, 0x06, 0x00, 0x00,
+	0xff, 0xff, 0x8e, 0xfc, 0xd7, 0x46, 0xa8, 0x0b, 0x00, 0x00,
-	0xff, 0xff, 0x24, 0xa6, 0x3d, 0x2b, 0xce, 0x0b, 0x00, 0x00,
 }

vendor/github.com/census-instrumentation/opencensus-proto/gen-go/resource/v1/resource.pb.go

@@ -1,11 +1,13 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // source: opencensus/proto/resource/v1/resource.proto
 
-package v1 // import "github.com/census-instrumentation/opencensus-proto/gen-go/resource/v1"
+package v1
 
-import proto "github.com/golang/protobuf/proto"
+import (
-import fmt "fmt"
+	fmt "fmt"
-import math "math"
+	proto "github.com/golang/protobuf/proto"
+	math "math"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
@@ -16,7 +18,7 @@ var _ = math.Inf
 // is compatible with the proto package it is being compiled against.
 // A compilation error at this line likely means your copy of the
 // proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
 // Resource information.
 type Resource struct {
@@ -33,16 +35,17 @@ func (m *Resource) Reset()         { *m = Resource{} }
 func (m *Resource) String() string { return proto.CompactTextString(m) }
 func (*Resource) ProtoMessage()    {}
 func (*Resource) Descriptor() ([]byte, []int) {
-	return fileDescriptor_resource_471b1e1cf1b04db0, []int{0}
+	return fileDescriptor_584700775a2fc762, []int{0}
 }
+
 func (m *Resource) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Resource.Unmarshal(m, b)
 }
 func (m *Resource) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Resource.Marshal(b, m, deterministic)
 }
-func (dst *Resource) XXX_Merge(src proto.Message) {
+func (m *Resource) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Resource.Merge(dst, src)
+	xxx_messageInfo_Resource.Merge(m, src)
 }
 func (m *Resource) XXX_Size() int {
 	return xxx_messageInfo_Resource.Size(m)
@@ -73,10 +76,10 @@ func init() {
 }
 
 func init() {
-	proto.RegisterFile("opencensus/proto/resource/v1/resource.proto", fileDescriptor_resource_471b1e1cf1b04db0)
+	proto.RegisterFile("opencensus/proto/resource/v1/resource.proto", fileDescriptor_584700775a2fc762)
 }
 
-var fileDescriptor_resource_471b1e1cf1b04db0 = []byte{
+var fileDescriptor_584700775a2fc762 = []byte{
 	// 234 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xd2, 0xce, 0x2f, 0x48, 0xcd,
 	0x4b, 0x4e, 0xcd, 0x2b, 0x2e, 0x2d, 0xd6, 0x2f, 0x28, 0xca, 0x2f, 0xc9, 0xd7, 0x2f, 0x4a, 0x2d,

vendor/github.com/census-instrumentation/opencensus-proto/gen-go/trace/v1/trace.pb.go

@@ -1,13 +1,16 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // source: opencensus/proto/trace/v1/trace.proto
 
-package v1 // import "github.com/census-instrumentation/opencensus-proto/gen-go/trace/v1"
+package v1
 
-import proto "github.com/golang/protobuf/proto"
+import (
-import fmt "fmt"
+	fmt "fmt"
-import math "math"
+	v1 "github.com/census-instrumentation/opencensus-proto/gen-go/resource/v1"
-import timestamp "github.com/golang/protobuf/ptypes/timestamp"
+	proto "github.com/golang/protobuf/proto"
-import wrappers "github.com/golang/protobuf/ptypes/wrappers"
+	timestamp "github.com/golang/protobuf/ptypes/timestamp"
+	wrappers "github.com/golang/protobuf/ptypes/wrappers"
+	math "math"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
@@ -18,7 +21,7 @@ var _ = math.Inf
 // is compatible with the proto package it is being compiled against.
 // A compilation error at this line likely means your copy of the
 // proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
 // Type of span. Can be used to specify additional relationships between spans
 // in addition to a parent/child relationship.
@@ -40,6 +43,7 @@ var Span_SpanKind_name = map[int32]string{
 	1: "SERVER",
 	2: "CLIENT",
 }
+
 var Span_SpanKind_value = map[string]int32{
 	"SPAN_KIND_UNSPECIFIED": 0,
 	"SERVER":                1,
@@ -49,8 +53,9 @@ var Span_SpanKind_value = map[string]int32{
 func (x Span_SpanKind) String() string {
 	return proto.EnumName(Span_SpanKind_name, int32(x))
 }
+
 func (Span_SpanKind) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_trace_7c01291585a72f8a, []int{0, 0}
+	return fileDescriptor_8ea38bbb821bf584, []int{0, 0}
 }
 
 // Indicates whether the message was sent or received.
@@ -70,6 +75,7 @@ var Span_TimeEvent_MessageEvent_Type_name = map[int32]string{
 	1: "SENT",
 	2: "RECEIVED",
 }
+
 var Span_TimeEvent_MessageEvent_Type_value = map[string]int32{
 	"TYPE_UNSPECIFIED": 0,
 	"SENT":             1,
@@ -79,8 +85,9 @@ var Span_TimeEvent_MessageEvent_Type_value = map[string]int32{
 func (x Span_TimeEvent_MessageEvent_Type) String() string {
 	return proto.EnumName(Span_TimeEvent_MessageEvent_Type_name, int32(x))
 }
+
 func (Span_TimeEvent_MessageEvent_Type) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_trace_7c01291585a72f8a, []int{0, 2, 1, 0}
+	return fileDescriptor_8ea38bbb821bf584, []int{0, 2, 1, 0}
 }
 
 // The relationship of the current span relative to the linked span: child,
@@ -102,6 +109,7 @@ var Span_Link_Type_name = map[int32]string{
 	1: "CHILD_LINKED_SPAN",
 	2: "PARENT_LINKED_SPAN",
 }
+
 var Span_Link_Type_value = map[string]int32{
 	"TYPE_UNSPECIFIED":   0,
 	"CHILD_LINKED_SPAN":  1,
@@ -111,27 +119,37 @@ var Span_Link_Type_value = map[string]int32{
 func (x Span_Link_Type) String() string {
 	return proto.EnumName(Span_Link_Type_name, int32(x))
 }
+
 func (Span_Link_Type) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_trace_7c01291585a72f8a, []int{0, 4, 0}
+	return fileDescriptor_8ea38bbb821bf584, []int{0, 4, 0}
 }
 
 // A span represents a single operation within a trace. Spans can be
-// nested to form a trace tree. Often, a trace contains a root span
+// nested to form a trace tree. Spans may also be linked to other spans
-// that describes the end-to-end latency, and one or more subspans for
+// from the same or different trace. And form graphs. Often, a trace
-// its sub-operations. A trace can also contain multiple root spans,
+// contains a root span that describes the end-to-end latency, and one
-// or none at all. Spans do not need to be contiguous - there may be
+// or more subspans for its sub-operations. A trace can also contain
-// gaps or overlaps between spans in a trace.
+// multiple root spans, or none at all. Spans do not need to be
+// contiguous - there may be gaps or overlaps between spans in a trace.
 //
-// The next id is 16.
+// The next id is 17.
 // TODO(bdrutu): Add an example.
 type Span struct {
 	// A unique identifier for a trace. All spans from the same trace share
-	// the same `trace_id`. The ID is a 16-byte array.
+	// the same `trace_id`. The ID is a 16-byte array. An ID with all zeroes
+	// is considered invalid.
+	//
+	// This field is semantically required. Receiver should generate new
+	// random trace_id if empty or invalid trace_id was received.
 	//
 	// This field is required.
 	TraceId []byte `protobuf:"bytes,1,opt,name=trace_id,json=traceId,proto3" json:"trace_id,omitempty"`
 	// A unique identifier for a span within a trace, assigned when the span
-	// is created. The ID is an 8-byte array.
+	// is created. The ID is an 8-byte array. An ID with all zeroes is considered
+	// invalid.
+	//
+	// This field is semantically required. Receiver should generate new
+	// random span_id if empty or invalid span_id was received.
 	//
 	// This field is required.
 	SpanId []byte `protobuf:"bytes,2,opt,name=span_id,json=spanId,proto3" json:"span_id,omitempty"`
@@ -147,19 +165,37 @@ type Span struct {
 	// the same display name at the same call point in an application.
 	// This makes it easier to correlate spans in different traces.
 	//
+	// This field is semantically required to be set to non-empty string.
+	// When null or empty string received - receiver may use string "name"
+	// as a replacement. There might be smarted algorithms implemented by
+	// receiver to fix the empty span name.
+	//
 	// This field is required.
 	Name *TruncatableString `protobuf:"bytes,4,opt,name=name,proto3" json:"name,omitempty"`
 	// Distinguishes between spans generated in a particular context. For example,
-	// two spans with the same name may be distinguished using `CLIENT`
+	// two spans with the same name may be distinguished using `CLIENT` (caller)
-	// and `SERVER` to identify queueing latency associated with the span.
+	// and `SERVER` (callee) to identify queueing latency associated with the span.
 	Kind Span_SpanKind `protobuf:"varint,14,opt,name=kind,proto3,enum=opencensus.proto.trace.v1.Span_SpanKind" json:"kind,omitempty"`
 	// The start time of the span. On the client side, this is the time kept by
 	// the local machine where the span execution starts. On the server side, this
 	// is the time when the server's application handler starts running.
+	//
+	// This field is semantically required. When not set on receive -
+	// receiver should set it to the value of end_time field if it was
+	// set. Or to the current time if neither was set. It is important to
+	// keep end_time > start_time for consistency.
+	//
+	// This field is required.
 	StartTime *timestamp.Timestamp `protobuf:"bytes,5,opt,name=start_time,json=startTime,proto3" json:"start_time,omitempty"`
 	// The end time of the span. On the client side, this is the time kept by
 	// the local machine where the span execution ends. On the server side, this
 	// is the time when the server application handler stops running.
+	//
+	// This field is semantically required. When not set on receive -
+	// receiver should set it to start_time value. It is important to
+	// keep end_time > start_time for consistency.
+	//
+	// This field is required.
 	EndTime *timestamp.Timestamp `protobuf:"bytes,6,opt,name=end_time,json=endTime,proto3" json:"end_time,omitempty"`
 	// A set of attributes on the span.
 	Attributes *Span_Attributes `protobuf:"bytes,7,opt,name=attributes,proto3" json:"attributes,omitempty"`
@@ -169,11 +205,19 @@ type Span struct {
 	TimeEvents *Span_TimeEvents `protobuf:"bytes,9,opt,name=time_events,json=timeEvents,proto3" json:"time_events,omitempty"`
 	// The included links.
 	Links *Span_Links `protobuf:"bytes,10,opt,name=links,proto3" json:"links,omitempty"`
-	// An optional final status for this span.
+	// An optional final status for this span. Semantically when Status
+	// wasn't set it is means span ended without errors and assume
+	// Status.Ok (code = 0).
 	Status *Status `protobuf:"bytes,11,opt,name=status,proto3" json:"status,omitempty"`
-	// A highly recommended but not required flag that identifies when a trace
+	// An optional resource that is associated with this span. If not set, this span
-	// crosses a process boundary. True when the parent_span belongs to the
+	// should be part of a batch that does include the resource information, unless resource
-	// same process as the current span.
+	// information is unknown.
+	Resource *v1.Resource `protobuf:"bytes,16,opt,name=resource,proto3" json:"resource,omitempty"`
+	// A highly recommended but not required flag that identifies when a
+	// trace crosses a process boundary. True when the parent_span belongs
+	// to the same process as the current span. This flag is most commonly
+	// used to indicate the need to adjust time as clocks in different
+	// processes may not be synchronized.
 	SameProcessAsParentSpan *wrappers.BoolValue `protobuf:"bytes,12,opt,name=same_process_as_parent_span,json=sameProcessAsParentSpan,proto3" json:"same_process_as_parent_span,omitempty"`
 	// An optional number of child spans that were generated while this span
 	// was active. If set, allows an implementation to detect missing child spans.
@@ -187,16 +231,17 @@ func (m *Span) Reset()         { *m = Span{} }
 func (m *Span) String() string { return proto.CompactTextString(m) }
 func (*Span) ProtoMessage()    {}
 func (*Span) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_7c01291585a72f8a, []int{0}
+	return fileDescriptor_8ea38bbb821bf584, []int{0}
 }
+
 func (m *Span) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Span.Unmarshal(m, b)
 }
 func (m *Span) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Span.Marshal(b, m, deterministic)
 }
-func (dst *Span) XXX_Merge(src proto.Message) {
+func (m *Span) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Span.Merge(dst, src)
+	xxx_messageInfo_Span.Merge(m, src)
 }
 func (m *Span) XXX_Size() int {
 	return xxx_messageInfo_Span.Size(m)
@@ -298,6 +343,13 @@ func (m *Span) GetStatus() *Status {
 	return nil
 }
 
+func (m *Span) GetResource() *v1.Resource {
+	if m != nil {
+		return m.Resource
+	}
+	return nil
+}
+
 func (m *Span) GetSameProcessAsParentSpan() *wrappers.BoolValue {
 	if m != nil {
 		return m.SameProcessAsParentSpan
@@ -328,16 +380,17 @@ func (m *Span_Tracestate) Reset()         { *m = Span_Tracestate{} }
 func (m *Span_Tracestate) String() string { return proto.CompactTextString(m) }
 func (*Span_Tracestate) ProtoMessage()    {}
 func (*Span_Tracestate) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_7c01291585a72f8a, []int{0, 0}
+	return fileDescriptor_8ea38bbb821bf584, []int{0, 0}
 }
+
 func (m *Span_Tracestate) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Span_Tracestate.Unmarshal(m, b)
 }
 func (m *Span_Tracestate) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Span_Tracestate.Marshal(b, m, deterministic)
 }
-func (dst *Span_Tracestate) XXX_Merge(src proto.Message) {
+func (m *Span_Tracestate) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Span_Tracestate.Merge(dst, src)
+	xxx_messageInfo_Span_Tracestate.Merge(m, src)
 }
 func (m *Span_Tracestate) XXX_Size() int {
 	return xxx_messageInfo_Span_Tracestate.Size(m)
@@ -373,16 +426,17 @@ func (m *Span_Tracestate_Entry) Reset()         { *m = Span_Tracestate_Entry{} }
 func (m *Span_Tracestate_Entry) String() string { return proto.CompactTextString(m) }
 func (*Span_Tracestate_Entry) ProtoMessage()    {}
 func (*Span_Tracestate_Entry) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_7c01291585a72f8a, []int{0, 0, 0}
+	return fileDescriptor_8ea38bbb821bf584, []int{0, 0, 0}
 }
+
 func (m *Span_Tracestate_Entry) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Span_Tracestate_Entry.Unmarshal(m, b)
 }
 func (m *Span_Tracestate_Entry) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Span_Tracestate_Entry.Marshal(b, m, deterministic)
 }
-func (dst *Span_Tracestate_Entry) XXX_Merge(src proto.Message) {
+func (m *Span_Tracestate_Entry) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Span_Tracestate_Entry.Merge(dst, src)
+	xxx_messageInfo_Span_Tracestate_Entry.Merge(m, src)
 }
 func (m *Span_Tracestate_Entry) XXX_Size() int {
 	return xxx_messageInfo_Span_Tracestate_Entry.Size(m)
@@ -409,13 +463,14 @@ func (m *Span_Tracestate_Entry) GetValue() string {
 
 // A set of attributes, each with a key and a value.
 type Span_Attributes struct {
-	// The set of attributes. The value can be a string, an integer, or the
+	// The set of attributes. The value can be a string, an integer, a double
-	// Boolean values `true` and `false`. For example:
+	// or the Boolean values `true` or `false`. Note, global attributes like
+	// server name can be set as tags using resource API. Examples of attributes:
 	//
-	//     "/instance_id": "my-instance"
+	//     "/http/user_agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
-	//     "/http/user_agent": ""
 	//     "/http/server_latency": 300
 	//     "abc.com/myattribute": true
+	//     "abc.com/score": 10.239
 	AttributeMap map[string]*AttributeValue `protobuf:"bytes,1,rep,name=attribute_map,json=attributeMap,proto3" json:"attribute_map,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
 	// The number of attributes that were discarded. Attributes can be discarded
 	// because their keys are too long or because there are too many attributes.
@@ -430,16 +485,17 @@ func (m *Span_Attributes) Reset()         { *m = Span_Attributes{} }
 func (m *Span_Attributes) String() string { return proto.CompactTextString(m) }
 func (*Span_Attributes) ProtoMessage()    {}
 func (*Span_Attributes) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_7c01291585a72f8a, []int{0, 1}
+	return fileDescriptor_8ea38bbb821bf584, []int{0, 1}
 }
+
 func (m *Span_Attributes) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Span_Attributes.Unmarshal(m, b)
 }
 func (m *Span_Attributes) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Span_Attributes.Marshal(b, m, deterministic)
 }
-func (dst *Span_Attributes) XXX_Merge(src proto.Message) {
+func (m *Span_Attributes) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Span_Attributes.Merge(dst, src)
+	xxx_messageInfo_Span_Attributes.Merge(m, src)
 }
 func (m *Span_Attributes) XXX_Size() int {
 	return xxx_messageInfo_Span_Attributes.Size(m)
@@ -484,16 +540,17 @@ func (m *Span_TimeEvent) Reset()         { *m = Span_TimeEvent{} }
 func (m *Span_TimeEvent) String() string { return proto.CompactTextString(m) }
 func (*Span_TimeEvent) ProtoMessage()    {}
 func (*Span_TimeEvent) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_7c01291585a72f8a, []int{0, 2}
+	return fileDescriptor_8ea38bbb821bf584, []int{0, 2}
 }
+
 func (m *Span_TimeEvent) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Span_TimeEvent.Unmarshal(m, b)
 }
 func (m *Span_TimeEvent) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Span_TimeEvent.Marshal(b, m, deterministic)
 }
-func (dst *Span_TimeEvent) XXX_Merge(src proto.Message) {
+func (m *Span_TimeEvent) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Span_TimeEvent.Merge(dst, src)
+	xxx_messageInfo_Span_TimeEvent.Merge(m, src)
 }
 func (m *Span_TimeEvent) XXX_Size() int {
 	return xxx_messageInfo_Span_TimeEvent.Size(m)
@@ -548,80 +605,14 @@ func (m *Span_TimeEvent) GetMessageEvent() *Span_TimeEvent_MessageEvent {
 	return nil
 }
 
-// XXX_OneofFuncs is for the internal use of the proto package.
+// XXX_OneofWrappers is for the internal use of the proto package.
-func (*Span_TimeEvent) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{}) {
+func (*Span_TimeEvent) XXX_OneofWrappers() []interface{} {
-	return _Span_TimeEvent_OneofMarshaler, _Span_TimeEvent_OneofUnmarshaler, _Span_TimeEvent_OneofSizer, []interface{}{
+	return []interface{}{
 		(*Span_TimeEvent_Annotation_)(nil),
 		(*Span_TimeEvent_MessageEvent_)(nil),
 	}
 }
 
-func _Span_TimeEvent_OneofMarshaler(msg proto.Message, b *proto.Buffer) error {
-	m := msg.(*Span_TimeEvent)
-	// value
-	switch x := m.Value.(type) {
-	case *Span_TimeEvent_Annotation_:
-		b.EncodeVarint(2<<3 | proto.WireBytes)
-		if err := b.EncodeMessage(x.Annotation); err != nil {
-			return err
-		}
-	case *Span_TimeEvent_MessageEvent_:
-		b.EncodeVarint(3<<3 | proto.WireBytes)
-		if err := b.EncodeMessage(x.MessageEvent); err != nil {
-			return err
-		}
-	case nil:
-	default:
-		return fmt.Errorf("Span_TimeEvent.Value has unexpected type %T", x)
-	}
-	return nil
-}
-
-func _Span_TimeEvent_OneofUnmarshaler(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error) {
-	m := msg.(*Span_TimeEvent)
-	switch tag {
-	case 2: // value.annotation
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		msg := new(Span_TimeEvent_Annotation)
-		err := b.DecodeMessage(msg)
-		m.Value = &Span_TimeEvent_Annotation_{msg}
-		return true, err
-	case 3: // value.message_event
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		msg := new(Span_TimeEvent_MessageEvent)
-		err := b.DecodeMessage(msg)
-		m.Value = &Span_TimeEvent_MessageEvent_{msg}
-		return true, err
-	default:
-		return false, nil
-	}
-}
-
-func _Span_TimeEvent_OneofSizer(msg proto.Message) (n int) {
-	m := msg.(*Span_TimeEvent)
-	// value
-	switch x := m.Value.(type) {
-	case *Span_TimeEvent_Annotation_:
-		s := proto.Size(x.Annotation)
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(s))
-		n += s
-	case *Span_TimeEvent_MessageEvent_:
-		s := proto.Size(x.MessageEvent)
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(s))
-		n += s
-	case nil:
-	default:
-		panic(fmt.Sprintf("proto: unexpected type %T in oneof", x))
-	}
-	return n
-}
-
 // A text annotation with a set of attributes.
 type Span_TimeEvent_Annotation struct {
 	// A user-supplied message describing the event.
@@ -637,16 +628,17 @@ func (m *Span_TimeEvent_Annotation) Reset()         { *m = Span_TimeEvent_Annota
 func (m *Span_TimeEvent_Annotation) String() string { return proto.CompactTextString(m) }
 func (*Span_TimeEvent_Annotation) ProtoMessage()    {}
 func (*Span_TimeEvent_Annotation) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_7c01291585a72f8a, []int{0, 2, 0}
+	return fileDescriptor_8ea38bbb821bf584, []int{0, 2, 0}
 }
+
 func (m *Span_TimeEvent_Annotation) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Span_TimeEvent_Annotation.Unmarshal(m, b)
 }
 func (m *Span_TimeEvent_Annotation) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Span_TimeEvent_Annotation.Marshal(b, m, deterministic)
 }
-func (dst *Span_TimeEvent_Annotation) XXX_Merge(src proto.Message) {
+func (m *Span_TimeEvent_Annotation) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Span_TimeEvent_Annotation.Merge(dst, src)
+	xxx_messageInfo_Span_TimeEvent_Annotation.Merge(m, src)
 }
 func (m *Span_TimeEvent_Annotation) XXX_Size() int {
 	return xxx_messageInfo_Span_TimeEvent_Annotation.Size(m)
@@ -695,16 +687,17 @@ func (m *Span_TimeEvent_MessageEvent) Reset()         { *m = Span_TimeEvent_Mess
 func (m *Span_TimeEvent_MessageEvent) String() string { return proto.CompactTextString(m) }
 func (*Span_TimeEvent_MessageEvent) ProtoMessage()    {}
 func (*Span_TimeEvent_MessageEvent) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_7c01291585a72f8a, []int{0, 2, 1}
+	return fileDescriptor_8ea38bbb821bf584, []int{0, 2, 1}
 }
+
 func (m *Span_TimeEvent_MessageEvent) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Span_TimeEvent_MessageEvent.Unmarshal(m, b)
 }
 func (m *Span_TimeEvent_MessageEvent) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Span_TimeEvent_MessageEvent.Marshal(b, m, deterministic)
 }
-func (dst *Span_TimeEvent_MessageEvent) XXX_Merge(src proto.Message) {
+func (m *Span_TimeEvent_MessageEvent) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Span_TimeEvent_MessageEvent.Merge(dst, src)
+	xxx_messageInfo_Span_TimeEvent_MessageEvent.Merge(m, src)
 }
 func (m *Span_TimeEvent_MessageEvent) XXX_Size() int {
 	return xxx_messageInfo_Span_TimeEvent_MessageEvent.Size(m)
@@ -764,16 +757,17 @@ func (m *Span_TimeEvents) Reset()         { *m = Span_TimeEvents{} }
 func (m *Span_TimeEvents) String() string { return proto.CompactTextString(m) }
 func (*Span_TimeEvents) ProtoMessage()    {}
 func (*Span_TimeEvents) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_7c01291585a72f8a, []int{0, 3}
+	return fileDescriptor_8ea38bbb821bf584, []int{0, 3}
 }
+
 func (m *Span_TimeEvents) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Span_TimeEvents.Unmarshal(m, b)
 }
 func (m *Span_TimeEvents) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Span_TimeEvents.Marshal(b, m, deterministic)
 }
-func (dst *Span_TimeEvents) XXX_Merge(src proto.Message) {
+func (m *Span_TimeEvents) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Span_TimeEvents.Merge(dst, src)
+	xxx_messageInfo_Span_TimeEvents.Merge(m, src)
 }
 func (m *Span_TimeEvents) XXX_Size() int {
 	return xxx_messageInfo_Span_TimeEvents.Size(m)
@@ -810,11 +804,10 @@ func (m *Span_TimeEvents) GetDroppedMessageEventsCount() int32 {
 // where a single batch handler processes multiple requests from different
 // traces or when the handler receives a request from a different project.
 type Span_Link struct {
-	// A unique identifier for a trace. All spans from the same trace share
+	// A unique identifier of a trace that this linked span is part of. The ID is a
-	// the same `trace_id`. The ID is a 16-byte array.
+	// 16-byte array.
 	TraceId []byte `protobuf:"bytes,1,opt,name=trace_id,json=traceId,proto3" json:"trace_id,omitempty"`
-	// A unique identifier for a span within a trace, assigned when the span
+	// A unique identifier for the linked span. The ID is an 8-byte array.
-	// is created. The ID is an 8-byte array.
 	SpanId []byte `protobuf:"bytes,2,opt,name=span_id,json=spanId,proto3" json:"span_id,omitempty"`
 	// The relationship of the current span relative to the linked span.
 	Type Span_Link_Type `protobuf:"varint,3,opt,name=type,proto3,enum=opencensus.proto.trace.v1.Span_Link_Type" json:"type,omitempty"`
@@ -829,16 +822,17 @@ func (m *Span_Link) Reset()         { *m = Span_Link{} }
 func (m *Span_Link) String() string { return proto.CompactTextString(m) }
 func (*Span_Link) ProtoMessage()    {}
 func (*Span_Link) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_7c01291585a72f8a, []int{0, 4}
+	return fileDescriptor_8ea38bbb821bf584, []int{0, 4}
 }
+
 func (m *Span_Link) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Span_Link.Unmarshal(m, b)
 }
 func (m *Span_Link) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Span_Link.Marshal(b, m, deterministic)
 }
-func (dst *Span_Link) XXX_Merge(src proto.Message) {
+func (m *Span_Link) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Span_Link.Merge(dst, src)
+	xxx_messageInfo_Span_Link.Merge(m, src)
 }
 func (m *Span_Link) XXX_Size() int {
 	return xxx_messageInfo_Span_Link.Size(m)
@@ -894,16 +888,17 @@ func (m *Span_Links) Reset()         { *m = Span_Links{} }
 func (m *Span_Links) String() string { return proto.CompactTextString(m) }
 func (*Span_Links) ProtoMessage()    {}
 func (*Span_Links) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_7c01291585a72f8a, []int{0, 5}
+	return fileDescriptor_8ea38bbb821bf584, []int{0, 5}
 }
+
 func (m *Span_Links) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Span_Links.Unmarshal(m, b)
 }
 func (m *Span_Links) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Span_Links.Marshal(b, m, deterministic)
 }
-func (dst *Span_Links) XXX_Merge(src proto.Message) {
+func (m *Span_Links) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Span_Links.Merge(dst, src)
+	xxx_messageInfo_Span_Links.Merge(m, src)
 }
 func (m *Span_Links) XXX_Size() int {
 	return xxx_messageInfo_Span_Links.Size(m)
@@ -934,7 +929,8 @@ func (m *Span_Links) GetDroppedLinksCount() int32 {
 // [google.rpc.Status](https://github.com/googleapis/googleapis/blob/master/google/rpc/status.proto),
 // which is used by [gRPC](https://github.com/grpc).
 type Status struct {
-	// The status code.
+	// The status code. This is optional field. It is safe to assume 0 (OK)
+	// when not set.
 	Code int32 `protobuf:"varint,1,opt,name=code,proto3" json:"code,omitempty"`
 	// A developer-facing error message, which should be in English.
 	Message              string   `protobuf:"bytes,2,opt,name=message,proto3" json:"message,omitempty"`
@@ -947,16 +943,17 @@ func (m *Status) Reset()         { *m = Status{} }
 func (m *Status) String() string { return proto.CompactTextString(m) }
 func (*Status) ProtoMessage()    {}
 func (*Status) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_7c01291585a72f8a, []int{1}
+	return fileDescriptor_8ea38bbb821bf584, []int{1}
 }
+
 func (m *Status) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Status.Unmarshal(m, b)
 }
 func (m *Status) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Status.Marshal(b, m, deterministic)
 }
-func (dst *Status) XXX_Merge(src proto.Message) {
+func (m *Status) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Status.Merge(dst, src)
+	xxx_messageInfo_Status.Merge(m, src)
 }
 func (m *Status) XXX_Size() int {
 	return xxx_messageInfo_Status.Size(m)
@@ -1000,16 +997,17 @@ func (m *AttributeValue) Reset()         { *m = AttributeValue{} }
 func (m *AttributeValue) String() string { return proto.CompactTextString(m) }
 func (*AttributeValue) ProtoMessage()    {}
 func (*AttributeValue) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_7c01291585a72f8a, []int{2}
+	return fileDescriptor_8ea38bbb821bf584, []int{2}
 }
+
 func (m *AttributeValue) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_AttributeValue.Unmarshal(m, b)
 }
 func (m *AttributeValue) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_AttributeValue.Marshal(b, m, deterministic)
 }
-func (dst *AttributeValue) XXX_Merge(src proto.Message) {
+func (m *AttributeValue) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_AttributeValue.Merge(dst, src)
+	xxx_messageInfo_AttributeValue.Merge(m, src)
 }
 func (m *AttributeValue) XXX_Size() int {
 	return xxx_messageInfo_AttributeValue.Size(m)
@@ -1083,9 +1081,9 @@ func (m *AttributeValue) GetDoubleValue() float64 {
 	return 0
 }
 
-// XXX_OneofFuncs is for the internal use of the proto package.
+// XXX_OneofWrappers is for the internal use of the proto package.
-func (*AttributeValue) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{}) {
+func (*AttributeValue) XXX_OneofWrappers() []interface{} {
-	return _AttributeValue_OneofMarshaler, _AttributeValue_OneofUnmarshaler, _AttributeValue_OneofSizer, []interface{}{
+	return []interface{}{
 		(*AttributeValue_StringValue)(nil),
 		(*AttributeValue_IntValue)(nil),
 		(*AttributeValue_BoolValue)(nil),
@@ -1093,97 +1091,6 @@ func (*AttributeValue) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer
 	}
 }
 
-func _AttributeValue_OneofMarshaler(msg proto.Message, b *proto.Buffer) error {
-	m := msg.(*AttributeValue)
-	// value
-	switch x := m.Value.(type) {
-	case *AttributeValue_StringValue:
-		b.EncodeVarint(1<<3 | proto.WireBytes)
-		if err := b.EncodeMessage(x.StringValue); err != nil {
-			return err
-		}
-	case *AttributeValue_IntValue:
-		b.EncodeVarint(2<<3 | proto.WireVarint)
-		b.EncodeVarint(uint64(x.IntValue))
-	case *AttributeValue_BoolValue:
-		t := uint64(0)
-		if x.BoolValue {
-			t = 1
-		}
-		b.EncodeVarint(3<<3 | proto.WireVarint)
-		b.EncodeVarint(t)
-	case *AttributeValue_DoubleValue:
-		b.EncodeVarint(4<<3 | proto.WireFixed64)
-		b.EncodeFixed64(math.Float64bits(x.DoubleValue))
-	case nil:
-	default:
-		return fmt.Errorf("AttributeValue.Value has unexpected type %T", x)
-	}
-	return nil
-}
-
-func _AttributeValue_OneofUnmarshaler(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error) {
-	m := msg.(*AttributeValue)
-	switch tag {
-	case 1: // value.string_value
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		msg := new(TruncatableString)
-		err := b.DecodeMessage(msg)
-		m.Value = &AttributeValue_StringValue{msg}
-		return true, err
-	case 2: // value.int_value
-		if wire != proto.WireVarint {
-			return true, proto.ErrInternalBadWireType
-		}
-		x, err := b.DecodeVarint()
-		m.Value = &AttributeValue_IntValue{int64(x)}
-		return true, err
-	case 3: // value.bool_value
-		if wire != proto.WireVarint {
-			return true, proto.ErrInternalBadWireType
-		}
-		x, err := b.DecodeVarint()
-		m.Value = &AttributeValue_BoolValue{x != 0}
-		return true, err
-	case 4: // value.double_value
-		if wire != proto.WireFixed64 {
-			return true, proto.ErrInternalBadWireType
-		}
-		x, err := b.DecodeFixed64()
-		m.Value = &AttributeValue_DoubleValue{math.Float64frombits(x)}
-		return true, err
-	default:
-		return false, nil
-	}
-}
-
-func _AttributeValue_OneofSizer(msg proto.Message) (n int) {
-	m := msg.(*AttributeValue)
-	// value
-	switch x := m.Value.(type) {
-	case *AttributeValue_StringValue:
-		s := proto.Size(x.StringValue)
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(s))
-		n += s
-	case *AttributeValue_IntValue:
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(x.IntValue))
-	case *AttributeValue_BoolValue:
-		n += 1 // tag and wire
-		n += 1
-	case *AttributeValue_DoubleValue:
-		n += 1 // tag and wire
-		n += 8
-	case nil:
-	default:
-		panic(fmt.Sprintf("proto: unexpected type %T in oneof", x))
-	}
-	return n
-}
-
 // The call stack which originated this span.
 type StackTrace struct {
 	// Stack frames in this stack trace.
@@ -1210,16 +1117,17 @@ func (m *StackTrace) Reset()         { *m = StackTrace{} }
 func (m *StackTrace) String() string { return proto.CompactTextString(m) }
 func (*StackTrace) ProtoMessage()    {}
 func (*StackTrace) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_7c01291585a72f8a, []int{3}
+	return fileDescriptor_8ea38bbb821bf584, []int{3}
 }
+
 func (m *StackTrace) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_StackTrace.Unmarshal(m, b)
 }
 func (m *StackTrace) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_StackTrace.Marshal(b, m, deterministic)
 }
-func (dst *StackTrace) XXX_Merge(src proto.Message) {
+func (m *StackTrace) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_StackTrace.Merge(dst, src)
+	xxx_messageInfo_StackTrace.Merge(m, src)
 }
 func (m *StackTrace) XXX_Size() int {
 	return xxx_messageInfo_StackTrace.Size(m)
@@ -1273,16 +1181,17 @@ func (m *StackTrace_StackFrame) Reset()         { *m = StackTrace_StackFrame{} }
 func (m *StackTrace_StackFrame) String() string { return proto.CompactTextString(m) }
 func (*StackTrace_StackFrame) ProtoMessage()    {}
 func (*StackTrace_StackFrame) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_7c01291585a72f8a, []int{3, 0}
+	return fileDescriptor_8ea38bbb821bf584, []int{3, 0}
 }
+
 func (m *StackTrace_StackFrame) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_StackTrace_StackFrame.Unmarshal(m, b)
 }
 func (m *StackTrace_StackFrame) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_StackTrace_StackFrame.Marshal(b, m, deterministic)
 }
-func (dst *StackTrace_StackFrame) XXX_Merge(src proto.Message) {
+func (m *StackTrace_StackFrame) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_StackTrace_StackFrame.Merge(dst, src)
+	xxx_messageInfo_StackTrace_StackFrame.Merge(m, src)
 }
 func (m *StackTrace_StackFrame) XXX_Size() int {
 	return xxx_messageInfo_StackTrace_StackFrame.Size(m)
@@ -1359,16 +1268,17 @@ func (m *StackTrace_StackFrames) Reset()         { *m = StackTrace_StackFrames{}
 func (m *StackTrace_StackFrames) String() string { return proto.CompactTextString(m) }
 func (*StackTrace_StackFrames) ProtoMessage()    {}
 func (*StackTrace_StackFrames) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_7c01291585a72f8a, []int{3, 1}
+	return fileDescriptor_8ea38bbb821bf584, []int{3, 1}
 }
+
 func (m *StackTrace_StackFrames) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_StackTrace_StackFrames.Unmarshal(m, b)
 }
 func (m *StackTrace_StackFrames) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_StackTrace_StackFrames.Marshal(b, m, deterministic)
 }
-func (dst *StackTrace_StackFrames) XXX_Merge(src proto.Message) {
+func (m *StackTrace_StackFrames) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_StackTrace_StackFrames.Merge(dst, src)
+	xxx_messageInfo_StackTrace_StackFrames.Merge(m, src)
 }
 func (m *StackTrace_StackFrames) XXX_Size() int {
 	return xxx_messageInfo_StackTrace_StackFrames.Size(m)
@@ -1411,16 +1321,17 @@ func (m *Module) Reset()         { *m = Module{} }
 func (m *Module) String() string { return proto.CompactTextString(m) }
 func (*Module) ProtoMessage()    {}
 func (*Module) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_7c01291585a72f8a, []int{4}
+	return fileDescriptor_8ea38bbb821bf584, []int{4}
 }
+
 func (m *Module) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Module.Unmarshal(m, b)
 }
 func (m *Module) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Module.Marshal(b, m, deterministic)
 }
-func (dst *Module) XXX_Merge(src proto.Message) {
+func (m *Module) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Module.Merge(dst, src)
+	xxx_messageInfo_Module.Merge(m, src)
 }
 func (m *Module) XXX_Size() int {
 	return xxx_messageInfo_Module.Size(m)
@@ -1466,16 +1377,17 @@ func (m *TruncatableString) Reset()         { *m = TruncatableString{} }
 func (m *TruncatableString) String() string { return proto.CompactTextString(m) }
 func (*TruncatableString) ProtoMessage()    {}
 func (*TruncatableString) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_7c01291585a72f8a, []int{5}
+	return fileDescriptor_8ea38bbb821bf584, []int{5}
 }
+
 func (m *TruncatableString) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_TruncatableString.Unmarshal(m, b)
 }
 func (m *TruncatableString) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_TruncatableString.Marshal(b, m, deterministic)
 }
-func (dst *TruncatableString) XXX_Merge(src proto.Message) {
+func (m *TruncatableString) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_TruncatableString.Merge(dst, src)
+	xxx_messageInfo_TruncatableString.Merge(m, src)
 }
 func (m *TruncatableString) XXX_Size() int {
 	return xxx_messageInfo_TruncatableString.Size(m)
@@ -1501,6 +1413,9 @@ func (m *TruncatableString) GetTruncatedByteCount() int32 {
 }
 
 func init() {
+	proto.RegisterEnum("opencensus.proto.trace.v1.Span_SpanKind", Span_SpanKind_name, Span_SpanKind_value)
+	proto.RegisterEnum("opencensus.proto.trace.v1.Span_TimeEvent_MessageEvent_Type", Span_TimeEvent_MessageEvent_Type_name, Span_TimeEvent_MessageEvent_Type_value)
+	proto.RegisterEnum("opencensus.proto.trace.v1.Span_Link_Type", Span_Link_Type_name, Span_Link_Type_value)
 	proto.RegisterType((*Span)(nil), "opencensus.proto.trace.v1.Span")
 	proto.RegisterType((*Span_Tracestate)(nil), "opencensus.proto.trace.v1.Span.Tracestate")
 	proto.RegisterType((*Span_Tracestate_Entry)(nil), "opencensus.proto.trace.v1.Span.Tracestate.Entry")
@@ -1519,111 +1434,110 @@ func init() {
 	proto.RegisterType((*StackTrace_StackFrames)(nil), "opencensus.proto.trace.v1.StackTrace.StackFrames")
 	proto.RegisterType((*Module)(nil), "opencensus.proto.trace.v1.Module")
 	proto.RegisterType((*TruncatableString)(nil), "opencensus.proto.trace.v1.TruncatableString")
-	proto.RegisterEnum("opencensus.proto.trace.v1.Span_SpanKind", Span_SpanKind_name, Span_SpanKind_value)
-	proto.RegisterEnum("opencensus.proto.trace.v1.Span_TimeEvent_MessageEvent_Type", Span_TimeEvent_MessageEvent_Type_name, Span_TimeEvent_MessageEvent_Type_value)
-	proto.RegisterEnum("opencensus.proto.trace.v1.Span_Link_Type", Span_Link_Type_name, Span_Link_Type_value)
 }
 
 func init() {
-	proto.RegisterFile("opencensus/proto/trace/v1/trace.proto", fileDescriptor_trace_7c01291585a72f8a)
+	proto.RegisterFile("opencensus/proto/trace/v1/trace.proto", fileDescriptor_8ea38bbb821bf584)
 }
 
-var fileDescriptor_trace_7c01291585a72f8a = []byte{
+var fileDescriptor_8ea38bbb821bf584 = []byte{
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-	0xe1, 0x82, 0xe2, 0x50, 0x94, 0xff, 0x86, 0xbc, 0x45, 0xb9, 0x1e, 0x3d, 0x15, 0xc9, 0xe6, 0x1c,
+	0x19, 0x32, 0x39, 0xd3, 0x58, 0xac, 0x91, 0x0a, 0x59, 0x3f, 0x3a, 0xfc, 0x8e, 0x14, 0x7c, 0x56,
-	0xce, 0x59, 0x94, 0xab, 0xe5, 0x6b, 0x00, 0x7d, 0xdb, 0x1e, 0xf9, 0xeb, 0x42, 0x4c, 0xb9, 0xe6,
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-	0x1c, 0xce, 0xf7, 0x83, 0x36, 0x01, 0x5d, 0x87, 0xa2, 0x69, 0x7b, 0xfd, 0x11, 0xf1, 0x4d, 0x84,
+	0x50, 0x8b, 0x9a, 0x73, 0xb8, 0x20, 0x39, 0x24, 0xe5, 0xdf, 0x21, 0x6f, 0x52, 0xa6, 0x45, 0xad,
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+	0x22, 0xd9, 0x9c, 0xc3, 0x39, 0x93, 0x32, 0x79, 0x7c, 0x03, 0xa0, 0x6f, 0x59, 0x23, 0xff, 0x9c,
-	0xea, 0x09, 0x7f, 0x44, 0xc7, 0x76, 0xe0, 0x1a, 0x63, 0xf9, 0xf0, 0x0b, 0x7f, 0xee, 0x4c, 0xd5,
+	0x07, 0x53, 0xae, 0x39, 0x87, 0xf3, 0xfd, 0x60, 0x4c, 0x40, 0x37, 0xa1, 0x68, 0x58, 0x5e, 0x7f,
-	0xb2, 0xa9, 0xe1, 0x8e, 0x04, 0x62, 0xd5, 0xf8, 0xa9, 0x0f, 0xb4, 0x0a, 0x17, 0x63, 0x7d, 0xa0,
+	0x44, 0x7c, 0x11, 0x1e, 0x2a, 0x0a, 0xbf, 0x44, 0xee, 0x0a, 0xa1, 0x30, 0x51, 0xab, 0xdf, 0x65,
-	0x7e, 0x68, 0xb0, 0x43, 0x3d, 0xac, 0x61, 0xe5, 0xa8, 0xd1, 0x6b, 0x1a, 0xec, 0xb0, 0x65, 0x56,
+	0x00, 0xa2, 0xc9, 0x0d, 0xf5, 0xb8, 0x3d, 0x7c, 0xea, 0x3b, 0x70, 0xf4, 0xb1, 0x68, 0xfc, 0xdc,
-	0xff, 0x4c, 0xfa, 0x67, 0x92, 0x70, 0xf4, 0x12, 0xe6, 0x0f, 0x3c, 0x3a, 0x10, 0x89, 0xac, 0xcb,
+	0x9e, 0xf5, 0xa9, 0xc6, 0x3e, 0xb9, 0xdc, 0x11, 0x40, 0x2c, 0x87, 0x47, 0xf9, 0x81, 0x56, 0xe1,
-	0x66, 0x7c, 0x96, 0x82, 0x5f, 0x0c, 0x28, 0xda, 0x82, 0xb2, 0x0f, 0x97, 0x6d, 0xd7, 0x1a, 0x5a,
+	0x72, 0x6c, 0x96, 0xd4, 0x0e, 0x75, 0xf7, 0x50, 0x0b, 0x6b, 0x58, 0x39, 0x1a, 0x16, 0x9b, 0xba,
-	0xd4, 0x18, 0xe9, 0x93, 0xdc, 0x89, 0x19, 0xb8, 0x17, 0x03, 0xae, 0x9d, 0xf8, 0x1e, 0x2d, 0xc8,
+	0x7b, 0xd8, 0x32, 0x2a, 0xbf, 0x27, 0x7d, 0x9d, 0x04, 0x1c, 0xbd, 0x86, 0xf9, 0x03, 0x8f, 0x0e,
-	0x1f, 0x58, 0x23, 0xa2, 0x68, 0x93, 0x33, 0xd0, 0xe6, 0x04, 0x5c, 0x52, 0x5d, 0x83, 0xc2, 0xc8,
+	0x78, 0x22, 0x6b, 0x62, 0xa0, 0x9f, 0xa5, 0xe0, 0x17, 0x03, 0x8a, 0x36, 0xa7, 0xec, 0xc3, 0x55,
-	0xa2, 0x44, 0xa7, 0xde, 0xb8, 0x4f, 0x5c, 0x19, 0xd1, 0x24, 0x06, 0x31, 0xd5, 0x96, 0x33, 0xe8,
+	0xcb, 0x31, 0x87, 0x26, 0xd5, 0x47, 0xda, 0x24, 0x77, 0x62, 0x06, 0xee, 0xc5, 0x80, 0x6b, 0x27,
-	0x3a, 0xcc, 0x0f, 0xec, 0x91, 0x37, 0xa6, 0x81, 0x49, 0x5a, 0x9a, 0x14, 0xd5, 0xa4, 0x6f, 0xb4,
+	0x7e, 0x47, 0x0b, 0xf2, 0x07, 0xe6, 0x88, 0x48, 0xda, 0xe4, 0x0c, 0xb4, 0x39, 0x0e, 0x17, 0x54,
-	0x09, 0x85, 0x91, 0x6d, 0x98, 0xfa, 0xd8, 0x36, 0xbd, 0x51, 0xf0, 0x3f, 0xc1, 0x59, 0x0d, 0xec,
+	0x37, 0xa0, 0x30, 0x32, 0x29, 0xd1, 0xa8, 0x37, 0xee, 0x13, 0x47, 0x78, 0x34, 0x89, 0x81, 0x6f,
-	0x0b, 0x69, 0x88, 0x41, 0xa0, 0xd4, 0x18, 0x75, 0xa1, 0xc4, 0x6c, 0xcf, 0x1d, 0x10, 0xfd, 0x98,
+	0xb5, 0xc5, 0x0e, 0xba, 0x09, 0xf3, 0x03, 0x6b, 0xe4, 0x8d, 0x69, 0x20, 0x92, 0x16, 0x22, 0x45,
-	0xb8, 0x4c, 0xbc, 0xbe, 0xd9, 0x19, 0x3c, 0x9b, 0x57, 0x1c, 0xfb, 0x8a, 0xa2, 0xfa, 0xbd, 0x06,
+	0xb9, 0xe9, 0x0b, 0xd5, 0xa1, 0x30, 0xb2, 0x74, 0x43, 0x1b, 0x5b, 0x86, 0x37, 0x0a, 0xfe, 0xaf,
-	0x85, 0x98, 0x76, 0xd0, 0x0e, 0xa4, 0xa5, 0xfc, 0xa6, 0x69, 0x3b, 0xdf, 0xa6, 0x3e, 0xac, 0xe0,
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+	0x2c, 0xe1, 0xe8, 0x1e, 0x2c, 0x06, 0x65, 0x45, 0x86, 0xf3, 0x44, 0x5d, 0x41, 0xfe, 0x99, 0xbc,
-	0x2f, 0x61, 0xe1, 0x8d, 0xd5, 0xa8, 0x75, 0xd6, 0x62, 0xad, 0xb3, 0x70, 0x9b, 0x2b, 0x53, 0x62,
+	0x54, 0x16, 0x96, 0x1f, 0x15, 0xc8, 0xf8, 0x96, 0x6e, 0x43, 0xc6, 0x7f, 0xa8, 0x59, 0xc2, 0xcd,
-	0xea, 0xfd, 0x13, 0x4e, 0x26, 0xdd, 0x0e, 0xd7, 0x36, 0x4f, 0x38, 0x91, 0x6e, 0x6f, 0x3a, 0x70,
+	0xc7, 0xa2, 0x8f, 0x20, 0xd7, 0xf7, 0xf8, 0x68, 0xee, 0x87, 0xfb, 0x5f, 0xe5, 0xc9, 0x0a, 0x74,
-	0xd5, 0xb2, 0xdf, 0x7d, 0xae, 0x4d, 0xf5, 0x5f, 0x41, 0x47, 0x4c, 0x76, 0xb4, 0x2f, 0x36, 0x87,
+	0xcb, 0xa8, 0x7e, 0x0e, 0x0b, 0x67, 0x4e, 0xa3, 0xd1, 0x59, 0x89, 0x8d, 0xce, 0xdc, 0x6c, 0x26,
-	0x16, 0x3f, 0xf4, 0xfa, 0xf5, 0x81, 0x3d, 0x5e, 0x53, 0xf6, 0xab, 0x16, 0x65, 0xdc, 0xf5, 0xc6,
+	0x45, 0x89, 0xa1, 0xf5, 0x4f, 0x18, 0x99, 0x34, 0x3b, 0x3c, 0xab, 0x9f, 0x30, 0x22, 0xcc, 0xae,
-	0x84, 0xaa, 0xf7, 0x76, 0x2d, 0xa2, 0x5a, 0x55, 0xbf, 0x33, 0x0c, 0x09, 0x5d, 0x1d, 0x46, 0x3f,
+	0xdb, 0x70, 0xdd, 0xb4, 0xde, 0xaf, 0x57, 0x5d, 0xfe, 0x57, 0xd0, 0xe1, 0x9b, 0x1d, 0xe5, 0xb3,
-	0x37, 0xf4, 0x33, 0x72, 0xfa, 0xee, 0xdf, 0x01, 0x00, 0x00, 0xff, 0xff, 0xb1, 0x5e, 0xa6, 0x6a,
+	0xfa, 0xd0, 0x64, 0x87, 0x5e, 0xbf, 0x36, 0xb0, 0xc6, 0x6b, 0x52, 0x7e, 0xd5, 0xa4, 0x2e, 0x73,
-	0x92, 0x10, 0x00, 0x00,
+	0xbc, 0x31, 0xa1, 0xb2, 0xdf, 0xae, 0x45, 0x54, 0xab, 0xf2, 0x67, 0x89, 0x21, 0xa1, 0xab, 0xc3,
+	0xe8, 0xf7, 0x8d, 0x7e, 0x46, 0x6c, 0xdf, 0xff, 0x33, 0x00, 0x00, 0xff, 0xff, 0x1e, 0xe0, 0x94,
+	0x45, 0x03, 0x11, 0x00, 0x00,
 }

vendor/github.com/census-instrumentation/opencensus-proto/gen-go/trace/v1/trace_config.pb.go

@@ -1,11 +1,13 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // source: opencensus/proto/trace/v1/trace_config.proto
 
-package v1 // import "github.com/census-instrumentation/opencensus-proto/gen-go/trace/v1"
+package v1
 
-import proto "github.com/golang/protobuf/proto"
+import (
-import fmt "fmt"
+	fmt "fmt"
-import math "math"
+	proto "github.com/golang/protobuf/proto"
+	math "math"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
@@ -16,9 +18,42 @@ var _ = math.Inf
 // is compatible with the proto package it is being compiled against.
 // A compilation error at this line likely means your copy of the
 // proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
-// Global configuration of the trace service.
+// How spans should be sampled:
+// - Always off
+// - Always on
+// - Always follow the parent Span's decision (off if no parent).
+type ConstantSampler_ConstantDecision int32
+
+const (
+	ConstantSampler_ALWAYS_OFF    ConstantSampler_ConstantDecision = 0
+	ConstantSampler_ALWAYS_ON     ConstantSampler_ConstantDecision = 1
+	ConstantSampler_ALWAYS_PARENT ConstantSampler_ConstantDecision = 2
+)
+
+var ConstantSampler_ConstantDecision_name = map[int32]string{
+	0: "ALWAYS_OFF",
+	1: "ALWAYS_ON",
+	2: "ALWAYS_PARENT",
+}
+
+var ConstantSampler_ConstantDecision_value = map[string]int32{
+	"ALWAYS_OFF":    0,
+	"ALWAYS_ON":     1,
+	"ALWAYS_PARENT": 2,
+}
+
+func (x ConstantSampler_ConstantDecision) String() string {
+	return proto.EnumName(ConstantSampler_ConstantDecision_name, int32(x))
+}
+
+func (ConstantSampler_ConstantDecision) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_5359209b41ff50c5, []int{2, 0}
+}
+
+// Global configuration of the trace service. All fields must be specified, or
+// the default (zero) values will be used for each type.
 type TraceConfig struct {
 	// The global default sampler used to make decisions on span sampling.
 	//
@@ -44,16 +79,17 @@ func (m *TraceConfig) Reset()         { *m = TraceConfig{} }
 func (m *TraceConfig) String() string { return proto.CompactTextString(m) }
 func (*TraceConfig) ProtoMessage()    {}
 func (*TraceConfig) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_config_2f6d4a0dc67515b2, []int{0}
+	return fileDescriptor_5359209b41ff50c5, []int{0}
 }
+
 func (m *TraceConfig) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_TraceConfig.Unmarshal(m, b)
 }
 func (m *TraceConfig) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_TraceConfig.Marshal(b, m, deterministic)
 }
-func (dst *TraceConfig) XXX_Merge(src proto.Message) {
+func (m *TraceConfig) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_TraceConfig.Merge(dst, src)
+	xxx_messageInfo_TraceConfig.Merge(m, src)
 }
 func (m *TraceConfig) XXX_Size() int {
 	return xxx_messageInfo_TraceConfig.Size(m)
@@ -142,99 +178,15 @@ func (m *TraceConfig) GetMaxNumberOfLinks() int64 {
 	return 0
 }
 
-// XXX_OneofFuncs is for the internal use of the proto package.
+// XXX_OneofWrappers is for the internal use of the proto package.
-func (*TraceConfig) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{}) {
+func (*TraceConfig) XXX_OneofWrappers() []interface{} {
-	return _TraceConfig_OneofMarshaler, _TraceConfig_OneofUnmarshaler, _TraceConfig_OneofSizer, []interface{}{
+	return []interface{}{
 		(*TraceConfig_ProbabilitySampler)(nil),
 		(*TraceConfig_ConstantSampler)(nil),
 		(*TraceConfig_RateLimitingSampler)(nil),
 	}
 }
 
-func _TraceConfig_OneofMarshaler(msg proto.Message, b *proto.Buffer) error {
-	m := msg.(*TraceConfig)
-	// sampler
-	switch x := m.Sampler.(type) {
-	case *TraceConfig_ProbabilitySampler:
-		b.EncodeVarint(1<<3 | proto.WireBytes)
-		if err := b.EncodeMessage(x.ProbabilitySampler); err != nil {
-			return err
-		}
-	case *TraceConfig_ConstantSampler:
-		b.EncodeVarint(2<<3 | proto.WireBytes)
-		if err := b.EncodeMessage(x.ConstantSampler); err != nil {
-			return err
-		}
-	case *TraceConfig_RateLimitingSampler:
-		b.EncodeVarint(3<<3 | proto.WireBytes)
-		if err := b.EncodeMessage(x.RateLimitingSampler); err != nil {
-			return err
-		}
-	case nil:
-	default:
-		return fmt.Errorf("TraceConfig.Sampler has unexpected type %T", x)
-	}
-	return nil
-}
-
-func _TraceConfig_OneofUnmarshaler(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error) {
-	m := msg.(*TraceConfig)
-	switch tag {
-	case 1: // sampler.probability_sampler
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		msg := new(ProbabilitySampler)
-		err := b.DecodeMessage(msg)
-		m.Sampler = &TraceConfig_ProbabilitySampler{msg}
-		return true, err
-	case 2: // sampler.constant_sampler
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		msg := new(ConstantSampler)
-		err := b.DecodeMessage(msg)
-		m.Sampler = &TraceConfig_ConstantSampler{msg}
-		return true, err
-	case 3: // sampler.rate_limiting_sampler
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		msg := new(RateLimitingSampler)
-		err := b.DecodeMessage(msg)
-		m.Sampler = &TraceConfig_RateLimitingSampler{msg}
-		return true, err
-	default:
-		return false, nil
-	}
-}
-
-func _TraceConfig_OneofSizer(msg proto.Message) (n int) {
-	m := msg.(*TraceConfig)
-	// sampler
-	switch x := m.Sampler.(type) {
-	case *TraceConfig_ProbabilitySampler:
-		s := proto.Size(x.ProbabilitySampler)
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(s))
-		n += s
-	case *TraceConfig_ConstantSampler:
-		s := proto.Size(x.ConstantSampler)
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(s))
-		n += s
-	case *TraceConfig_RateLimitingSampler:
-		s := proto.Size(x.RateLimitingSampler)
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(s))
-		n += s
-	case nil:
-	default:
-		panic(fmt.Sprintf("proto: unexpected type %T in oneof", x))
-	}
-	return n
-}
-
 // Sampler that tries to uniformly sample traces with a given probability.
 // The probability of sampling a trace is equal to that of the specified probability.
 type ProbabilitySampler struct {
@@ -249,16 +201,17 @@ func (m *ProbabilitySampler) Reset()         { *m = ProbabilitySampler{} }
 func (m *ProbabilitySampler) String() string { return proto.CompactTextString(m) }
 func (*ProbabilitySampler) ProtoMessage()    {}
 func (*ProbabilitySampler) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_config_2f6d4a0dc67515b2, []int{1}
+	return fileDescriptor_5359209b41ff50c5, []int{1}
 }
+
 func (m *ProbabilitySampler) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ProbabilitySampler.Unmarshal(m, b)
 }
 func (m *ProbabilitySampler) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ProbabilitySampler.Marshal(b, m, deterministic)
 }
-func (dst *ProbabilitySampler) XXX_Merge(src proto.Message) {
+func (m *ProbabilitySampler) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ProbabilitySampler.Merge(dst, src)
+	xxx_messageInfo_ProbabilitySampler.Merge(m, src)
 }
 func (m *ProbabilitySampler) XXX_Size() int {
 	return xxx_messageInfo_ProbabilitySampler.Size(m)
@@ -276,30 +229,29 @@ func (m *ProbabilitySampler) GetSamplingProbability() float64 {
 	return 0
 }
 
-// Sampler that makes a constant decision (either always "yes" or always "no")
+// Sampler that always makes a constant decision on span sampling.
-// on span sampling.
 type ConstantSampler struct {
-	// Whether spans should be always sampled, or never sampled.
+	Decision             ConstantSampler_ConstantDecision `protobuf:"varint,1,opt,name=decision,proto3,enum=opencensus.proto.trace.v1.ConstantSampler_ConstantDecision" json:"decision,omitempty"`
-	Decision             bool     `protobuf:"varint,1,opt,name=decision,proto3" json:"decision,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}                         `json:"-"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte                           `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32                            `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
 }
 
 func (m *ConstantSampler) Reset()         { *m = ConstantSampler{} }
 func (m *ConstantSampler) String() string { return proto.CompactTextString(m) }
 func (*ConstantSampler) ProtoMessage()    {}
 func (*ConstantSampler) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_config_2f6d4a0dc67515b2, []int{2}
+	return fileDescriptor_5359209b41ff50c5, []int{2}
 }
+
 func (m *ConstantSampler) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ConstantSampler.Unmarshal(m, b)
 }
 func (m *ConstantSampler) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ConstantSampler.Marshal(b, m, deterministic)
 }
-func (dst *ConstantSampler) XXX_Merge(src proto.Message) {
+func (m *ConstantSampler) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ConstantSampler.Merge(dst, src)
+	xxx_messageInfo_ConstantSampler.Merge(m, src)
 }
 func (m *ConstantSampler) XXX_Size() int {
 	return xxx_messageInfo_ConstantSampler.Size(m)
@@ -310,11 +262,11 @@ func (m *ConstantSampler) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_ConstantSampler proto.InternalMessageInfo
 
-func (m *ConstantSampler) GetDecision() bool {
+func (m *ConstantSampler) GetDecision() ConstantSampler_ConstantDecision {
 	if m != nil {
 		return m.Decision
 	}
-	return false
+	return ConstantSampler_ALWAYS_OFF
 }
 
 // Sampler that tries to sample with a rate per time window.
@@ -330,16 +282,17 @@ func (m *RateLimitingSampler) Reset()         { *m = RateLimitingSampler{} }
 func (m *RateLimitingSampler) String() string { return proto.CompactTextString(m) }
 func (*RateLimitingSampler) ProtoMessage()    {}
 func (*RateLimitingSampler) Descriptor() ([]byte, []int) {
-	return fileDescriptor_trace_config_2f6d4a0dc67515b2, []int{3}
+	return fileDescriptor_5359209b41ff50c5, []int{3}
 }
+
 func (m *RateLimitingSampler) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_RateLimitingSampler.Unmarshal(m, b)
 }
 func (m *RateLimitingSampler) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_RateLimitingSampler.Marshal(b, m, deterministic)
 }
-func (dst *RateLimitingSampler) XXX_Merge(src proto.Message) {
+func (m *RateLimitingSampler) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_RateLimitingSampler.Merge(dst, src)
+	xxx_messageInfo_RateLimitingSampler.Merge(m, src)
 }
 func (m *RateLimitingSampler) XXX_Size() int {
 	return xxx_messageInfo_RateLimitingSampler.Size(m)
@@ -358,6 +311,7 @@ func (m *RateLimitingSampler) GetQps() int64 {
 }
 
 func init() {
+	proto.RegisterEnum("opencensus.proto.trace.v1.ConstantSampler_ConstantDecision", ConstantSampler_ConstantDecision_name, ConstantSampler_ConstantDecision_value)
 	proto.RegisterType((*TraceConfig)(nil), "opencensus.proto.trace.v1.TraceConfig")
 	proto.RegisterType((*ProbabilitySampler)(nil), "opencensus.proto.trace.v1.ProbabilitySampler")
 	proto.RegisterType((*ConstantSampler)(nil), "opencensus.proto.trace.v1.ConstantSampler")
@@ -365,36 +319,40 @@ func init() {
 }
 
 func init() {
-	proto.RegisterFile("opencensus/proto/trace/v1/trace_config.proto", fileDescriptor_trace_config_2f6d4a0dc67515b2)
+	proto.RegisterFile("opencensus/proto/trace/v1/trace_config.proto", fileDescriptor_5359209b41ff50c5)
 }
 
-var fileDescriptor_trace_config_2f6d4a0dc67515b2 = []byte{
+var fileDescriptor_5359209b41ff50c5 = []byte{
-	// 431 bytes of a gzipped FileDescriptorProto
+	// 486 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x7c, 0x93, 0x41, 0x6f, 0xd4, 0x30,
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x93, 0xc1, 0x4e, 0xdb, 0x40,
-	0x10, 0x85, 0x09, 0x5b, 0xda, 0x32, 0x3d, 0x74, 0xe5, 0xa8, 0x28, 0x45, 0x3d, 0x54, 0x7b, 0xa1,
+	0x10, 0x86, 0x31, 0xa1, 0x50, 0x06, 0x01, 0xee, 0x5a, 0x54, 0x46, 0xe2, 0x80, 0x7c, 0x29, 0xaa,
-	0x42, 0x24, 0xa1, 0x70, 0x40, 0x5c, 0x90, 0xd8, 0x0a, 0xc4, 0xa1, 0xc0, 0x2a, 0x20, 0x21, 0x71,
+	0x6a, 0xbb, 0xd0, 0x43, 0x55, 0x55, 0xaa, 0x94, 0x00, 0x51, 0x0f, 0x69, 0x88, 0x0c, 0x52, 0xd4,
-	0x09, 0x4e, 0xea, 0x0d, 0x16, 0xf1, 0x38, 0xd8, 0x93, 0xa8, 0xfc, 0x17, 0x7e, 0x6c, 0x15, 0x67,
+	0x5e, 0xdc, 0xb5, 0xd9, 0xb8, 0xab, 0xc6, 0xb3, 0xae, 0x77, 0x1d, 0xd1, 0x77, 0xe9, 0x43, 0xf4,
-	0x95, 0x64, 0xbb, 0xed, 0xde, 0xec, 0xf7, 0xde, 0xf7, 0x2c, 0x79, 0x6c, 0x78, 0xa1, 0x2b, 0x81,
+	0x11, 0xab, 0xac, 0x5d, 0xdb, 0x49, 0x00, 0x71, 0xdb, 0xf9, 0xff, 0xf9, 0x7e, 0xaf, 0xbc, 0x33,
-	0xb9, 0x40, 0x5b, 0xdb, 0xb8, 0x32, 0x9a, 0x74, 0x4c, 0x86, 0xe7, 0x22, 0x6e, 0xce, 0xbb, 0x45,
+	0xf0, 0x46, 0x64, 0x0c, 0x63, 0x86, 0xb2, 0x90, 0x7e, 0x96, 0x0b, 0x25, 0x7c, 0x95, 0xd3, 0x98,
-	0x9a, 0x6b, 0x5c, 0xca, 0x22, 0x72, 0x1e, 0x3b, 0x1e, 0xd2, 0x9d, 0x12, 0xb9, 0x50, 0xd4, 0x9c,
+	0xf9, 0xb3, 0xd3, 0xf2, 0x10, 0xc6, 0x02, 0x27, 0x3c, 0xf1, 0xb4, 0x47, 0x0e, 0x9b, 0xee, 0x52,
-	0xcf, 0xfe, 0xef, 0xc0, 0xc1, 0xf7, 0x76, 0x73, 0xe1, 0x00, 0xf6, 0x0b, 0xfc, 0xca, 0xe8, 0x8c,
+	0xf1, 0x74, 0x93, 0x37, 0x3b, 0x75, 0xfe, 0x6c, 0xc0, 0xce, 0xcd, 0xbc, 0x38, 0xd7, 0x00, 0xf9,
-	0x67, 0xb2, 0x94, 0xf4, 0x2f, 0xb5, 0x5c, 0x55, 0xa5, 0x30, 0x81, 0x77, 0xea, 0x9d, 0x1d, 0xbc,
+	0x0e, 0x56, 0x96, 0x8b, 0x88, 0x46, 0x7c, 0xca, 0xd5, 0xef, 0x50, 0xd2, 0x34, 0x9b, 0xb2, 0xdc,
-	0x0a, 0xa3, 0x7b, 0x8b, 0xa2, 0xc5, 0x40, 0x7d, 0xeb, 0xa0, 0x4f, 0x0f, 0x12, 0x56, 0x6d, 0xa8,
+	0x36, 0x8e, 0x8d, 0x93, 0x9d, 0x33, 0xd7, 0x7b, 0x30, 0xc8, 0x1b, 0x35, 0xd4, 0x75, 0x09, 0x7d,
-	0xec, 0x07, 0x4c, 0x73, 0x8d, 0x96, 0x38, 0x52, 0x5f, 0xff, 0xd0, 0xd5, 0x3f, 0xdf, 0x52, 0x7f,
+	0x5e, 0x0b, 0x48, 0xb6, 0xa2, 0x92, 0x31, 0x98, 0xb1, 0x40, 0xa9, 0x28, 0xaa, 0x3a, 0x7e, 0x5d,
-	0xb1, 0x42, 0x86, 0xee, 0xc3, 0x7c, 0x5d, 0x62, 0x57, 0x70, 0x64, 0x38, 0x89, 0xb4, 0x94, 0x4a,
+	0xc7, 0xbf, 0x7e, 0x24, 0xfe, 0xbc, 0x42, 0x9a, 0xec, 0xfd, 0x78, 0x51, 0x22, 0xb7, 0x70, 0x90,
-	0x92, 0xc4, 0xa2, 0x6f, 0x9f, 0xb8, 0xf6, 0x68, 0x4b, 0x7b, 0xc2, 0x49, 0x5c, 0xae, 0xb0, 0xe1,
+	0x53, 0xc5, 0xc2, 0x29, 0x4f, 0xb9, 0xe2, 0x98, 0xd4, 0xe9, 0x1d, 0x9d, 0xee, 0x3d, 0x92, 0x1e,
-	0x04, 0xdf, 0x6c, 0xca, 0xec, 0x0d, 0x04, 0x8a, 0x5f, 0xa7, 0x58, 0xab, 0x4c, 0x98, 0x54, 0x2f,
+	0x50, 0xc5, 0x06, 0x15, 0xd6, 0x7c, 0xc1, 0xca, 0x57, 0x65, 0xf2, 0x1e, 0xec, 0x94, 0xde, 0x85,
-	0x53, 0x4e, 0x64, 0x64, 0x56, 0x93, 0xb0, 0xc1, 0xce, 0xa9, 0x77, 0x36, 0x49, 0x8e, 0x14, 0xbf,
+	0x58, 0xa4, 0x11, 0xcb, 0x43, 0x31, 0x09, 0xa9, 0x52, 0x39, 0x8f, 0x0a, 0xc5, 0xa4, 0xbd, 0x71,
-	0xfe, 0xe2, 0xec, 0xaf, 0xcb, 0xf7, 0xbd, 0xc9, 0xde, 0xc2, 0xf1, 0x2d, 0x10, 0x51, 0x13, 0x27,
+	0x6c, 0x9c, 0x74, 0x82, 0x83, 0x94, 0xde, 0x0d, 0xb5, 0x7d, 0x35, 0xe9, 0xd6, 0x26, 0xf9, 0x00,
-	0xa9, 0xd1, 0x06, 0x8f, 0x1c, 0xf9, 0x64, 0x4c, 0x0e, 0x2e, 0x7b, 0x07, 0x27, 0xeb, 0xa8, 0x12,
+	0x87, 0x4b, 0x20, 0xa2, 0x50, 0x54, 0x71, 0x81, 0xd2, 0x7e, 0xa6, 0xc9, 0x97, 0x6d, 0xb2, 0x71,
-	0xd6, 0xf2, 0x42, 0xa4, 0xa2, 0x11, 0x48, 0x36, 0xd8, 0x75, 0x74, 0x30, 0xa2, 0x3f, 0x77, 0x81,
+	0xc9, 0x27, 0x38, 0x5a, 0x44, 0x53, 0x26, 0x25, 0x4d, 0x58, 0xc8, 0x66, 0x0c, 0x95, 0xb4, 0x37,
-	0x0f, 0xce, 0x67, 0x21, 0xf8, 0xeb, 0x7c, 0x29, 0xf1, 0x8f, 0x0d, 0xf6, 0x1c, 0x36, 0x1d, 0x61,
+	0x35, 0x6d, 0xb7, 0xe8, 0x2f, 0x65, 0xc3, 0xa5, 0xf6, 0x89, 0x0b, 0xd6, 0x22, 0x3f, 0xe5, 0xf8,
-	0x97, 0xad, 0x3e, 0x7f, 0x0c, 0x7b, 0xab, 0xab, 0x9b, 0x7d, 0x04, 0xb6, 0x39, 0x58, 0xf6, 0x12,
+	0x53, 0xda, 0x5b, 0x1a, 0x33, 0x5b, 0xd8, 0x60, 0xae, 0xf7, 0xb6, 0x61, 0xab, 0xfa, 0x75, 0x4e,
-	0x7c, 0x17, 0x90, 0x58, 0x8c, 0x5c, 0xf7, 0x48, 0xbc, 0xe4, 0x2e, 0x6b, 0x16, 0xc2, 0xe1, 0xad,
+	0x1f, 0xc8, 0xea, 0xc3, 0x92, 0xb7, 0x60, 0xe9, 0x06, 0x8e, 0x49, 0xcb, 0xd5, 0x43, 0x62, 0x04,
-	0x09, 0xb2, 0xa7, 0xb0, 0x7f, 0x25, 0x72, 0x69, 0xa5, 0x46, 0x47, 0xee, 0x27, 0xfd, 0x7e, 0xf6,
+	0xf7, 0x59, 0xce, 0x5f, 0x03, 0xf6, 0x97, 0x9e, 0x90, 0x8c, 0xe1, 0xf9, 0x2d, 0x8b, 0xb9, 0xe4,
-	0x0c, 0xfc, 0x3b, 0x46, 0xc2, 0xa6, 0x30, 0xf9, 0x5b, 0x59, 0x97, 0x9e, 0x24, 0xed, 0x72, 0xde,
+	0x02, 0x35, 0xba, 0x77, 0xf6, 0xf1, 0xe9, 0x03, 0x50, 0xd7, 0x17, 0x55, 0x44, 0x50, 0x87, 0x39,
-	0xc0, 0x89, 0xd4, 0xf7, 0x0f, 0x76, 0x3e, 0x1d, 0xbd, 0xed, 0x45, 0x6b, 0x2d, 0xbc, 0x9f, 0xf3,
+	0x17, 0x60, 0x2e, 0xbb, 0x64, 0x0f, 0xa0, 0x3b, 0x18, 0x77, 0xbf, 0x5e, 0x87, 0x57, 0xfd, 0xbe,
-	0x42, 0xd2, 0xef, 0x3a, 0x8b, 0x72, 0xad, 0xe2, 0x8e, 0x0a, 0x25, 0x5a, 0x32, 0xb5, 0x12, 0xd8,
+	0xb9, 0x46, 0x76, 0x61, 0xfb, 0x7f, 0x3d, 0x34, 0x0d, 0xf2, 0x02, 0x76, 0xab, 0x72, 0xd4, 0x0d,
-	0xdd, 0x78, 0x3c, 0x14, 0x86, 0xdd, 0xef, 0x2a, 0x04, 0x86, 0xc5, 0xf0, 0xc9, 0xb2, 0x5d, 0x27,
+	0x2e, 0x87, 0x37, 0xe6, 0xba, 0xf3, 0x0a, 0xac, 0x7b, 0xc6, 0x82, 0x98, 0xd0, 0xf9, 0x95, 0x49,
-	0xbf, 0xbe, 0x09, 0x00, 0x00, 0xff, 0xff, 0x1e, 0x98, 0xa1, 0x9e, 0x88, 0x03, 0x00, 0x00,
+	0x7d, 0xe1, 0x4e, 0x30, 0x3f, 0xf6, 0x66, 0x70, 0xc4, 0xc5, 0xc3, 0x37, 0xef, 0x99, 0xad, 0xfd,
+	0x1a, 0xcd, 0xad, 0x91, 0xf1, 0xad, 0x97, 0x70, 0xf5, 0xa3, 0x88, 0xbc, 0x58, 0xa4, 0x7e, 0x49,
+	0xb9, 0x1c, 0xa5, 0xca, 0x8b, 0x94, 0x61, 0xf9, 0xea, 0x7e, 0x13, 0xe8, 0x96, 0x1b, 0x9e, 0x30,
+	0x74, 0x93, 0x66, 0xd1, 0xa3, 0x4d, 0x2d, 0xbf, 0xfb, 0x17, 0x00, 0x00, 0xff, 0xff, 0x13, 0xe2,
+	0xd9, 0x56, 0x0c, 0x04, 0x00, 0x00,
 }

vendor/github.com/go-ini/ini/ini.go

@@ -34,7 +34,7 @@ const (
 
 	// Maximum allowed depth when recursively substituing variable names.
 	_DEPTH_VALUES = 99
-	_VERSION      = "1.41.0"
+	_VERSION      = "1.42.0"
 )
 
 // Version returns current package version literal.
@@ -170,6 +170,8 @@ type LoadOptions struct {
 	UnparseableSections []string
 	// KeyValueDelimiters is the sequence of delimiters that are used to separate key and value. By default, it is "=:".
 	KeyValueDelimiters string
+	// PreserveSurroundedQuote indicates whether to preserve surrounded quote (single and double quotes).
+	PreserveSurroundedQuote bool
 }
 
 func LoadSources(opts LoadOptions, source interface{}, others ...interface{}) (_ *File, err error) {

vendor/github.com/go-ini/ini/parser.go

@@ -198,7 +198,7 @@ func hasSurroundedQuote(in string, quote byte) bool {
 
 func (p *parser) readValue(in []byte,
 	parserBufferSize int,
-	ignoreContinuation, ignoreInlineComment, unescapeValueDoubleQuotes, unescapeValueCommentSymbols, allowPythonMultilines, spaceBeforeInlineComment bool) (string, error) {
+	ignoreContinuation, ignoreInlineComment, unescapeValueDoubleQuotes, unescapeValueCommentSymbols, allowPythonMultilines, spaceBeforeInlineComment, preserveSurroundedQuote bool) (string, error) {
 
 	line := strings.TrimLeftFunc(string(in), unicode.IsSpace)
 	if len(line) == 0 {
@@ -259,8 +259,8 @@ func (p *parser) readValue(in []byte,
 	}
 
 	// Trim single and double quotes
-	if hasSurroundedQuote(line, '\'') ||
+	if (hasSurroundedQuote(line, '\'') ||
-		hasSurroundedQuote(line, '"') {
+		hasSurroundedQuote(line, '"')) && !preserveSurroundedQuote {
 		line = line[1 : len(line)-1]
 	} else if len(valQuote) == 0 && unescapeValueCommentSymbols {
 		if strings.Contains(line, `\;`) {
@@ -433,7 +433,8 @@ func (f *File) parse(reader io.Reader) (err error) {
 						f.options.UnescapeValueDoubleQuotes,
 						f.options.UnescapeValueCommentSymbols,
 						f.options.AllowPythonMultilineValues,
-						f.options.SpaceBeforeInlineComment)
+						f.options.SpaceBeforeInlineComment,
+						f.options.PreserveSurroundedQuote)
 					if err != nil {
 						return err
 					}
@@ -467,7 +468,8 @@ func (f *File) parse(reader io.Reader) (err error) {
 			f.options.UnescapeValueDoubleQuotes,
 			f.options.UnescapeValueCommentSymbols,
 			f.options.AllowPythonMultilineValues,
-			f.options.SpaceBeforeInlineComment)
+			f.options.SpaceBeforeInlineComment,
+			f.options.PreserveSurroundedQuote)
 		if err != nil {
 			return err
 		}

vendor/github.com/golang/protobuf/proto/decode.go

@@ -186,7 +186,6 @@ func (p *Buffer) DecodeVarint() (x uint64, err error) {
 	if b&0x80 == 0 {
 		goto done
 	}
-	// x -= 0x80 << 63 // Always zero.
 
 	return 0, errOverflow
 

vendor/github.com/golang/protobuf/proto/deprecated.go

@@ -0,0 +1,63 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2018 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package proto
+
+import "errors"
+
+// Deprecated: do not use.
+type Stats struct{ Emalloc, Dmalloc, Encode, Decode, Chit, Cmiss, Size uint64 }
+
+// Deprecated: do not use.
+func GetStats() Stats { return Stats{} }
+
+// Deprecated: do not use.
+func MarshalMessageSet(interface{}) ([]byte, error) {
+	return nil, errors.New("proto: not implemented")
+}
+
+// Deprecated: do not use.
+func UnmarshalMessageSet([]byte, interface{}) error {
+	return errors.New("proto: not implemented")
+}
+
+// Deprecated: do not use.
+func MarshalMessageSetJSON(interface{}) ([]byte, error) {
+	return nil, errors.New("proto: not implemented")
+}
+
+// Deprecated: do not use.
+func UnmarshalMessageSetJSON([]byte, interface{}) error {
+	return errors.New("proto: not implemented")
+}
+
+// Deprecated: do not use.
+func RegisterMessageSetType(Message, int32, string) {}

vendor/github.com/golang/protobuf/proto/equal.go

@@ -246,7 +246,8 @@ func equalExtMap(base reflect.Type, em1, em2 map[int32]Extension) bool {
 			return false
 		}
 
-		m1, m2 := e1.value, e2.value
+		m1 := extensionAsLegacyType(e1.value)
+		m2 := extensionAsLegacyType(e2.value)
 
 		if m1 == nil && m2 == nil {
 			// Both have only encoded form.

vendor/github.com/golang/protobuf/proto/extensions.go

@@ -185,9 +185,25 @@ type Extension struct {
 	// extension will have only enc set. When such an extension is
 	// accessed using GetExtension (or GetExtensions) desc and value
 	// will be set.
-	desc  *ExtensionDesc
+	desc *ExtensionDesc
+
+	// value is a concrete value for the extension field. Let the type of
+	// desc.ExtensionType be the "API type" and the type of Extension.value
+	// be the "storage type". The API type and storage type are the same except:
+	//	* For scalars (except []byte), the API type uses *T,
+	//	while the storage type uses T.
+	//	* For repeated fields, the API type uses []T, while the storage type
+	//	uses *[]T.
+	//
+	// The reason for the divergence is so that the storage type more naturally
+	// matches what is expected of when retrieving the values through the
+	// protobuf reflection APIs.
+	//
+	// The value may only be populated if desc is also populated.
 	value interface{}
-	enc   []byte
+
+	// enc is the raw bytes for the extension field.
+	enc []byte
 }
 
 // SetRawExtension is for testing only.
@@ -334,7 +350,7 @@ func GetExtension(pb Message, extension *ExtensionDesc) (interface{}, error) {
 			// descriptors with the same field number.
 			return nil, errors.New("proto: descriptor conflict")
 		}
-		return e.value, nil
+		return extensionAsLegacyType(e.value), nil
 	}
 
 	if extension.ExtensionType == nil {
@@ -349,11 +365,11 @@ func GetExtension(pb Message, extension *ExtensionDesc) (interface{}, error) {
 
 	// Remember the decoded version and drop the encoded version.
 	// That way it is safe to mutate what we return.
-	e.value = v
+	e.value = extensionAsStorageType(v)
 	e.desc = extension
 	e.enc = nil
 	emap[extension.Field] = e
-	return e.value, nil
+	return extensionAsLegacyType(e.value), nil
 }
 
 // defaultExtensionValue returns the default value for extension.
@@ -488,7 +504,7 @@ func SetExtension(pb Message, extension *ExtensionDesc, value interface{}) error
 	}
 	typ := reflect.TypeOf(extension.ExtensionType)
 	if typ != reflect.TypeOf(value) {
-		return errors.New("proto: bad extension value type")
+		return fmt.Errorf("proto: bad extension value type. got: %T, want: %T", value, extension.ExtensionType)
 	}
 	// nil extension values need to be caught early, because the
 	// encoder can't distinguish an ErrNil due to a nil extension
@@ -500,7 +516,7 @@ func SetExtension(pb Message, extension *ExtensionDesc, value interface{}) error
 	}
 
 	extmap := epb.extensionsWrite()
-	extmap[extension.Field] = Extension{desc: extension, value: value}
+	extmap[extension.Field] = Extension{desc: extension, value: extensionAsStorageType(value)}
 	return nil
 }
 
@@ -541,3 +557,51 @@ func RegisterExtension(desc *ExtensionDesc) {
 func RegisteredExtensions(pb Message) map[int32]*ExtensionDesc {
 	return extensionMaps[reflect.TypeOf(pb).Elem()]
 }
+
+// extensionAsLegacyType converts an value in the storage type as the API type.
+// See Extension.value.
+func extensionAsLegacyType(v interface{}) interface{} {
+	switch rv := reflect.ValueOf(v); rv.Kind() {
+	case reflect.Bool, reflect.Int32, reflect.Int64, reflect.Uint32, reflect.Uint64, reflect.Float32, reflect.Float64, reflect.String:
+		// Represent primitive types as a pointer to the value.
+		rv2 := reflect.New(rv.Type())
+		rv2.Elem().Set(rv)
+		v = rv2.Interface()
+	case reflect.Ptr:
+		// Represent slice types as the value itself.
+		switch rv.Type().Elem().Kind() {
+		case reflect.Slice:
+			if rv.IsNil() {
+				v = reflect.Zero(rv.Type().Elem()).Interface()
+			} else {
+				v = rv.Elem().Interface()
+			}
+		}
+	}
+	return v
+}
+
+// extensionAsStorageType converts an value in the API type as the storage type.
+// See Extension.value.
+func extensionAsStorageType(v interface{}) interface{} {
+	switch rv := reflect.ValueOf(v); rv.Kind() {
+	case reflect.Ptr:
+		// Represent slice types as the value itself.
+		switch rv.Type().Elem().Kind() {
+		case reflect.Bool, reflect.Int32, reflect.Int64, reflect.Uint32, reflect.Uint64, reflect.Float32, reflect.Float64, reflect.String:
+			if rv.IsNil() {
+				v = reflect.Zero(rv.Type().Elem()).Interface()
+			} else {
+				v = rv.Elem().Interface()
+			}
+		}
+	case reflect.Slice:
+		// Represent slice types as a pointer to the value.
+		if rv.Type().Elem().Kind() != reflect.Uint8 {
+			rv2 := reflect.New(rv.Type())
+			rv2.Elem().Set(rv)
+			v = rv2.Interface()
+		}
+	}
+	return v
+}

vendor/github.com/golang/protobuf/proto/lib.go

@@ -341,26 +341,6 @@ type Message interface {
 	ProtoMessage()
 }
 
-// Stats records allocation details about the protocol buffer encoders
-// and decoders.  Useful for tuning the library itself.
-type Stats struct {
-	Emalloc uint64 // mallocs in encode
-	Dmalloc uint64 // mallocs in decode
-	Encode  uint64 // number of encodes
-	Decode  uint64 // number of decodes
-	Chit    uint64 // number of cache hits
-	Cmiss   uint64 // number of cache misses
-	Size    uint64 // number of sizes
-}
-
-// Set to true to enable stats collection.
-const collectStats = false
-
-var stats Stats
-
-// GetStats returns a copy of the global Stats structure.
-func GetStats() Stats { return stats }
-
 // A Buffer is a buffer manager for marshaling and unmarshaling
 // protocol buffers.  It may be reused between invocations to
 // reduce memory usage.  It is not necessary to use a Buffer;
@@ -960,13 +940,19 @@ func isProto3Zero(v reflect.Value) bool {
 	return false
 }
 
-// ProtoPackageIsVersion2 is referenced from generated protocol buffer files
+const (
-// to assert that that code is compatible with this version of the proto package.
+	// ProtoPackageIsVersion3 is referenced from generated protocol buffer files
-const ProtoPackageIsVersion2 = true
+	// to assert that that code is compatible with this version of the proto package.
+	ProtoPackageIsVersion3 = true
 
-// ProtoPackageIsVersion1 is referenced from generated protocol buffer files
+	// ProtoPackageIsVersion2 is referenced from generated protocol buffer files
-// to assert that that code is compatible with this version of the proto package.
+	// to assert that that code is compatible with this version of the proto package.
-const ProtoPackageIsVersion1 = true
+	ProtoPackageIsVersion2 = true
+
+	// ProtoPackageIsVersion1 is referenced from generated protocol buffer files
+	// to assert that that code is compatible with this version of the proto package.
+	ProtoPackageIsVersion1 = true
+)
 
 // InternalMessageInfo is a type used internally by generated .pb.go files.
 // This type is not intended to be used by non-generated code.

vendor/github.com/golang/protobuf/proto/message_set.go

@@ -36,13 +36,7 @@ package proto
  */
 
 import (
-	"bytes"
-	"encoding/json"
 	"errors"
-	"fmt"
-	"reflect"
-	"sort"
-	"sync"
 )
 
 // errNoMessageTypeID occurs when a protocol buffer does not have a message type ID.
@@ -145,46 +139,9 @@ func skipVarint(buf []byte) []byte {
 	return buf[i+1:]
 }
 
-// MarshalMessageSet encodes the extension map represented by m in the message set wire format.
+// unmarshalMessageSet decodes the extension map encoded in buf in the message set wire format.
-// It is called by generated Marshal methods on protocol buffer messages with the message_set_wire_format option.
-func MarshalMessageSet(exts interface{}) ([]byte, error) {
-	return marshalMessageSet(exts, false)
-}
-
-// marshaMessageSet implements above function, with the opt to turn on / off deterministic during Marshal.
-func marshalMessageSet(exts interface{}, deterministic bool) ([]byte, error) {
-	switch exts := exts.(type) {
-	case *XXX_InternalExtensions:
-		var u marshalInfo
-		siz := u.sizeMessageSet(exts)
-		b := make([]byte, 0, siz)
-		return u.appendMessageSet(b, exts, deterministic)
-
-	case map[int32]Extension:
-		// This is an old-style extension map.
-		// Wrap it in a new-style XXX_InternalExtensions.
-		ie := XXX_InternalExtensions{
-			p: &struct {
-				mu           sync.Mutex
-				extensionMap map[int32]Extension
-			}{
-				extensionMap: exts,
-			},
-		}
-
-		var u marshalInfo
-		siz := u.sizeMessageSet(&ie)
-		b := make([]byte, 0, siz)
-		return u.appendMessageSet(b, &ie, deterministic)
-
-	default:
-		return nil, errors.New("proto: not an extension map")
-	}
-}
-
-// UnmarshalMessageSet decodes the extension map encoded in buf in the message set wire format.
 // It is called by Unmarshal methods on protocol buffer messages with the message_set_wire_format option.
-func UnmarshalMessageSet(buf []byte, exts interface{}) error {
+func unmarshalMessageSet(buf []byte, exts interface{}) error {
 	var m map[int32]Extension
 	switch exts := exts.(type) {
 	case *XXX_InternalExtensions:
@@ -222,93 +179,3 @@ func UnmarshalMessageSet(buf []byte, exts interface{}) error {
 	}
 	return nil
 }
-
-// MarshalMessageSetJSON encodes the extension map represented by m in JSON format.
-// It is called by generated MarshalJSON methods on protocol buffer messages with the message_set_wire_format option.
-func MarshalMessageSetJSON(exts interface{}) ([]byte, error) {
-	var m map[int32]Extension
-	switch exts := exts.(type) {
-	case *XXX_InternalExtensions:
-		var mu sync.Locker
-		m, mu = exts.extensionsRead()
-		if m != nil {
-			// Keep the extensions map locked until we're done marshaling to prevent
-			// races between marshaling and unmarshaling the lazily-{en,de}coded
-			// values.
-			mu.Lock()
-			defer mu.Unlock()
-		}
-	case map[int32]Extension:
-		m = exts
-	default:
-		return nil, errors.New("proto: not an extension map")
-	}
-	var b bytes.Buffer
-	b.WriteByte('{')
-
-	// Process the map in key order for deterministic output.
-	ids := make([]int32, 0, len(m))
-	for id := range m {
-		ids = append(ids, id)
-	}
-	sort.Sort(int32Slice(ids)) // int32Slice defined in text.go
-
-	for i, id := range ids {
-		ext := m[id]
-		msd, ok := messageSetMap[id]
-		if !ok {
-			// Unknown type; we can't render it, so skip it.
-			continue
-		}
-
-		if i > 0 && b.Len() > 1 {
-			b.WriteByte(',')
-		}
-
-		fmt.Fprintf(&b, `"[%s]":`, msd.name)
-
-		x := ext.value
-		if x == nil {
-			x = reflect.New(msd.t.Elem()).Interface()
-			if err := Unmarshal(ext.enc, x.(Message)); err != nil {
-				return nil, err
-			}
-		}
-		d, err := json.Marshal(x)
-		if err != nil {
-			return nil, err
-		}
-		b.Write(d)
-	}
-	b.WriteByte('}')
-	return b.Bytes(), nil
-}
-
-// UnmarshalMessageSetJSON decodes the extension map encoded in buf in JSON format.
-// It is called by generated UnmarshalJSON methods on protocol buffer messages with the message_set_wire_format option.
-func UnmarshalMessageSetJSON(buf []byte, exts interface{}) error {
-	// Common-case fast path.
-	if len(buf) == 0 || bytes.Equal(buf, []byte("{}")) {
-		return nil
-	}
-
-	// This is fairly tricky, and it's not clear that it is needed.
-	return errors.New("TODO: UnmarshalMessageSetJSON not yet implemented")
-}
-
-// A global registry of types that can be used in a MessageSet.
-
-var messageSetMap = make(map[int32]messageSetDesc)
-
-type messageSetDesc struct {
-	t    reflect.Type // pointer to struct
-	name string
-}
-
-// RegisterMessageSetType is called from the generated code.
-func RegisterMessageSetType(m Message, fieldNum int32, name string) {
-	messageSetMap[fieldNum] = messageSetDesc{
-		t:    reflect.TypeOf(m),
-		name: name,
-	}
-}

vendor/github.com/golang/protobuf/proto/pointer_reflect.go

@@ -79,10 +79,13 @@ func toPointer(i *Message) pointer {
 
 // toAddrPointer converts an interface to a pointer that points to
 // the interface data.
-func toAddrPointer(i *interface{}, isptr bool) pointer {
+func toAddrPointer(i *interface{}, isptr, deref bool) pointer {
 	v := reflect.ValueOf(*i)
 	u := reflect.New(v.Type())
 	u.Elem().Set(v)
+	if deref {
+		u = u.Elem()
+	}
 	return pointer{v: u}
 }
 

vendor/github.com/golang/protobuf/proto/pointer_unsafe.go

@@ -85,16 +85,21 @@ func toPointer(i *Message) pointer {
 
 // toAddrPointer converts an interface to a pointer that points to
 // the interface data.
-func toAddrPointer(i *interface{}, isptr bool) pointer {
+func toAddrPointer(i *interface{}, isptr, deref bool) (p pointer) {
 	// Super-tricky - read or get the address of data word of interface value.
 	if isptr {
 		// The interface is of pointer type, thus it is a direct interface.
 		// The data word is the pointer data itself. We take its address.
-		return pointer{p: unsafe.Pointer(uintptr(unsafe.Pointer(i)) + ptrSize)}
+		p = pointer{p: unsafe.Pointer(uintptr(unsafe.Pointer(i)) + ptrSize)}
+	} else {
+		// The interface is not of pointer type. The data word is the pointer
+		// to the data.
+		p = pointer{p: (*[2]unsafe.Pointer)(unsafe.Pointer(i))[1]}
 	}
-	// The interface is not of pointer type. The data word is the pointer
+	if deref {
-	// to the data.
+		p.p = *(*unsafe.Pointer)(p.p)
-	return pointer{p: (*[2]unsafe.Pointer)(unsafe.Pointer(i))[1]}
+	}
+	return p
 }
 
 // valToPointer converts v to a pointer. v must be of pointer type.

vendor/github.com/golang/protobuf/proto/properties.go

@@ -334,9 +334,6 @@ func GetProperties(t reflect.Type) *StructProperties {
 	sprop, ok := propertiesMap[t]
 	propertiesMu.RUnlock()
 	if ok {
-		if collectStats {
-			stats.Chit++
-		}
 		return sprop
 	}
 
@@ -346,17 +343,20 @@ func GetProperties(t reflect.Type) *StructProperties {
 	return sprop
 }
 
+type (
+	oneofFuncsIface interface {
+		XXX_OneofFuncs() (func(Message, *Buffer) error, func(Message, int, int, *Buffer) (bool, error), func(Message) int, []interface{})
+	}
+	oneofWrappersIface interface {
+		XXX_OneofWrappers() []interface{}
+	}
+)
+
 // getPropertiesLocked requires that propertiesMu is held.
 func getPropertiesLocked(t reflect.Type) *StructProperties {
 	if prop, ok := propertiesMap[t]; ok {
-		if collectStats {
-			stats.Chit++
-		}
 		return prop
 	}
-	if collectStats {
-		stats.Cmiss++
-	}
 
 	prop := new(StructProperties)
 	// in case of recursive protos, fill this in now.
@@ -391,13 +391,14 @@ func getPropertiesLocked(t reflect.Type) *StructProperties {
 	// Re-order prop.order.
 	sort.Sort(prop)
 
-	type oneofMessage interface {
+	var oots []interface{}
-		XXX_OneofFuncs() (func(Message, *Buffer) error, func(Message, int, int, *Buffer) (bool, error), func(Message) int, []interface{})
+	switch m := reflect.Zero(reflect.PtrTo(t)).Interface().(type) {
+	case oneofFuncsIface:
+		_, _, _, oots = m.XXX_OneofFuncs()
+	case oneofWrappersIface:
+		oots = m.XXX_OneofWrappers()
 	}
-	if om, ok := reflect.Zero(reflect.PtrTo(t)).Interface().(oneofMessage); ok {
+	if len(oots) > 0 {
-		var oots []interface{}
-		_, _, _, oots = om.XXX_OneofFuncs()
-
 		// Interpret oneof metadata.
 		prop.OneofTypes = make(map[string]*OneofProperties)
 		for _, oot := range oots {

vendor/github.com/golang/protobuf/proto/table_marshal.go

@@ -87,6 +87,7 @@ type marshalElemInfo struct {
 	sizer     sizer
 	marshaler marshaler
 	isptr     bool // elem is pointer typed, thus interface of this type is a direct interface (extension only)
+	deref     bool // dereference the pointer before operating on it; implies isptr
 }
 
 var (
@@ -320,8 +321,11 @@ func (u *marshalInfo) computeMarshalInfo() {
 
 	// get oneof implementers
 	var oneofImplementers []interface{}
-	if m, ok := reflect.Zero(reflect.PtrTo(t)).Interface().(oneofMessage); ok {
+	switch m := reflect.Zero(reflect.PtrTo(t)).Interface().(type) {
+	case oneofFuncsIface:
 		_, _, _, oneofImplementers = m.XXX_OneofFuncs()
+	case oneofWrappersIface:
+		oneofImplementers = m.XXX_OneofWrappers()
 	}
 
 	n := t.NumField()
@@ -407,13 +411,22 @@ func (u *marshalInfo) getExtElemInfo(desc *ExtensionDesc) *marshalElemInfo {
 		panic("tag is not an integer")
 	}
 	wt := wiretype(tags[0])
+	if t.Kind() == reflect.Ptr && t.Elem().Kind() != reflect.Struct {
+		t = t.Elem()
+	}
 	sizer, marshaler := typeMarshaler(t, tags, false, false)
+	var deref bool
+	if t.Kind() == reflect.Slice && t.Elem().Kind() != reflect.Uint8 {
+		t = reflect.PtrTo(t)
+		deref = true
+	}
 	e = &marshalElemInfo{
 		wiretag:   uint64(tag)<<3 | wt,
 		tagsize:   SizeVarint(uint64(tag) << 3),
 		sizer:     sizer,
 		marshaler: marshaler,
 		isptr:     t.Kind() == reflect.Ptr,
+		deref:     deref,
 	}
 
 	// update cache
@@ -448,7 +461,7 @@ func (fi *marshalFieldInfo) computeMarshalFieldInfo(f *reflect.StructField) {
 
 func (fi *marshalFieldInfo) computeOneofFieldInfo(f *reflect.StructField, oneofImplementers []interface{}) {
 	fi.field = toField(f)
-	fi.wiretag = 1<<31 - 1 // Use a large tag number, make oneofs sorted at the end. This tag will not appear on the wire.
+	fi.wiretag = math.MaxInt32 // Use a large tag number, make oneofs sorted at the end. This tag will not appear on the wire.
 	fi.isPointer = true
 	fi.sizer, fi.marshaler = makeOneOfMarshaler(fi, f)
 	fi.oneofElems = make(map[reflect.Type]*marshalElemInfo)
@@ -476,10 +489,6 @@ func (fi *marshalFieldInfo) computeOneofFieldInfo(f *reflect.StructField, oneofI
 	}
 }
 
-type oneofMessage interface {
-	XXX_OneofFuncs() (func(Message, *Buffer) error, func(Message, int, int, *Buffer) (bool, error), func(Message) int, []interface{})
-}
-
 // wiretype returns the wire encoding of the type.
 func wiretype(encoding string) uint64 {
 	switch encoding {
@@ -2310,8 +2319,8 @@ func makeMapMarshaler(f *reflect.StructField) (sizer, marshaler) {
 			for _, k := range m.MapKeys() {
 				ki := k.Interface()
 				vi := m.MapIndex(k).Interface()
-				kaddr := toAddrPointer(&ki, false)             // pointer to key
+				kaddr := toAddrPointer(&ki, false, false)      // pointer to key
-				vaddr := toAddrPointer(&vi, valIsPtr)          // pointer to value
+				vaddr := toAddrPointer(&vi, valIsPtr, false)   // pointer to value
 				siz := keySizer(kaddr, 1) + valSizer(vaddr, 1) // tag of key = 1 (size=1), tag of val = 2 (size=1)
 				n += siz + SizeVarint(uint64(siz)) + tagsize
 			}
@@ -2329,8 +2338,8 @@ func makeMapMarshaler(f *reflect.StructField) (sizer, marshaler) {
 			for _, k := range keys {
 				ki := k.Interface()
 				vi := m.MapIndex(k).Interface()
-				kaddr := toAddrPointer(&ki, false)    // pointer to key
+				kaddr := toAddrPointer(&ki, false, false)    // pointer to key
-				vaddr := toAddrPointer(&vi, valIsPtr) // pointer to value
+				vaddr := toAddrPointer(&vi, valIsPtr, false) // pointer to value
 				b = appendVarint(b, tag)
 				siz := keySizer(kaddr, 1) + valCachedSizer(vaddr, 1) // tag of key = 1 (size=1), tag of val = 2 (size=1)
 				b = appendVarint(b, uint64(siz))
@@ -2399,7 +2408,7 @@ func (u *marshalInfo) sizeExtensions(ext *XXX_InternalExtensions) int {
 		// the last time this function was called.
 		ei := u.getExtElemInfo(e.desc)
 		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
+		p := toAddrPointer(&v, ei.isptr, ei.deref)
 		n += ei.sizer(p, ei.tagsize)
 	}
 	mu.Unlock()
@@ -2434,7 +2443,7 @@ func (u *marshalInfo) appendExtensions(b []byte, ext *XXX_InternalExtensions, de
 
 			ei := u.getExtElemInfo(e.desc)
 			v := e.value
-			p := toAddrPointer(&v, ei.isptr)
+			p := toAddrPointer(&v, ei.isptr, ei.deref)
 			b, err = ei.marshaler(b, p, ei.wiretag, deterministic)
 			if !nerr.Merge(err) {
 				return b, err
@@ -2465,7 +2474,7 @@ func (u *marshalInfo) appendExtensions(b []byte, ext *XXX_InternalExtensions, de
 
 		ei := u.getExtElemInfo(e.desc)
 		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
+		p := toAddrPointer(&v, ei.isptr, ei.deref)
 		b, err = ei.marshaler(b, p, ei.wiretag, deterministic)
 		if !nerr.Merge(err) {
 			return b, err
@@ -2510,7 +2519,7 @@ func (u *marshalInfo) sizeMessageSet(ext *XXX_InternalExtensions) int {
 
 		ei := u.getExtElemInfo(e.desc)
 		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
+		p := toAddrPointer(&v, ei.isptr, ei.deref)
 		n += ei.sizer(p, 1) // message, tag = 3 (size=1)
 	}
 	mu.Unlock()
@@ -2553,7 +2562,7 @@ func (u *marshalInfo) appendMessageSet(b []byte, ext *XXX_InternalExtensions, de
 
 			ei := u.getExtElemInfo(e.desc)
 			v := e.value
-			p := toAddrPointer(&v, ei.isptr)
+			p := toAddrPointer(&v, ei.isptr, ei.deref)
 			b, err = ei.marshaler(b, p, 3<<3|WireBytes, deterministic)
 			if !nerr.Merge(err) {
 				return b, err
@@ -2591,7 +2600,7 @@ func (u *marshalInfo) appendMessageSet(b []byte, ext *XXX_InternalExtensions, de
 
 		ei := u.getExtElemInfo(e.desc)
 		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
+		p := toAddrPointer(&v, ei.isptr, ei.deref)
 		b, err = ei.marshaler(b, p, 3<<3|WireBytes, deterministic)
 		b = append(b, 1<<3|WireEndGroup)
 		if !nerr.Merge(err) {
@@ -2621,7 +2630,7 @@ func (u *marshalInfo) sizeV1Extensions(m map[int32]Extension) int {
 
 		ei := u.getExtElemInfo(e.desc)
 		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
+		p := toAddrPointer(&v, ei.isptr, ei.deref)
 		n += ei.sizer(p, ei.tagsize)
 	}
 	return n
@@ -2656,7 +2665,7 @@ func (u *marshalInfo) appendV1Extensions(b []byte, m map[int32]Extension, determ
 
 		ei := u.getExtElemInfo(e.desc)
 		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
+		p := toAddrPointer(&v, ei.isptr, ei.deref)
 		b, err = ei.marshaler(b, p, ei.wiretag, deterministic)
 		if !nerr.Merge(err) {
 			return b, err

vendor/github.com/golang/protobuf/proto/table_unmarshal.go

@@ -136,7 +136,7 @@ func (u *unmarshalInfo) unmarshal(m pointer, b []byte) error {
 		u.computeUnmarshalInfo()
 	}
 	if u.isMessageSet {
-		return UnmarshalMessageSet(b, m.offset(u.extensions).toExtensions())
+		return unmarshalMessageSet(b, m.offset(u.extensions).toExtensions())
 	}
 	var reqMask uint64 // bitmask of required fields we've seen.
 	var errLater error
@@ -362,46 +362,48 @@ func (u *unmarshalInfo) computeUnmarshalInfo() {
 	}
 
 	// Find any types associated with oneof fields.
-	// TODO: XXX_OneofFuncs returns more info than we need.  Get rid of some of it?
+	var oneofImplementers []interface{}
-	fn := reflect.Zero(reflect.PtrTo(t)).MethodByName("XXX_OneofFuncs")
+	switch m := reflect.Zero(reflect.PtrTo(t)).Interface().(type) {
-	if fn.IsValid() {
+	case oneofFuncsIface:
-		res := fn.Call(nil)[3] // last return value from XXX_OneofFuncs: []interface{}
+		_, _, _, oneofImplementers = m.XXX_OneofFuncs()
-		for i := res.Len() - 1; i >= 0; i-- {
+	case oneofWrappersIface:
-			v := res.Index(i)                             // interface{}
+		oneofImplementers = m.XXX_OneofWrappers()
-			tptr := reflect.ValueOf(v.Interface()).Type() // *Msg_X
+	}
-			typ := tptr.Elem()                            // Msg_X
+	for _, v := range oneofImplementers {
+		tptr := reflect.TypeOf(v) // *Msg_X
+		typ := tptr.Elem()        // Msg_X
 
-			f := typ.Field(0) // oneof implementers have one field
+		f := typ.Field(0) // oneof implementers have one field
-			baseUnmarshal := fieldUnmarshaler(&f)
+		baseUnmarshal := fieldUnmarshaler(&f)
-			tags := strings.Split(f.Tag.Get("protobuf"), ",")
+		tags := strings.Split(f.Tag.Get("protobuf"), ",")
-			fieldNum, err := strconv.Atoi(tags[1])
+		fieldNum, err := strconv.Atoi(tags[1])
-			if err != nil {
+		if err != nil {
-				panic("protobuf tag field not an integer: " + tags[1])
+			panic("protobuf tag field not an integer: " + tags[1])
-			}
+		}
-			var name string
+		var name string
-			for _, tag := range tags {
+		for _, tag := range tags {
-				if strings.HasPrefix(tag, "name=") {
+			if strings.HasPrefix(tag, "name=") {
-					name = strings.TrimPrefix(tag, "name=")
+				name = strings.TrimPrefix(tag, "name=")
-					break
+				break
-				}
-			}
-
-			// Find the oneof field that this struct implements.
-			// Might take O(n^2) to process all of the oneofs, but who cares.
-			for _, of := range oneofFields {
-				if tptr.Implements(of.ityp) {
-					// We have found the corresponding interface for this struct.
-					// That lets us know where this struct should be stored
-					// when we encounter it during unmarshaling.
-					unmarshal := makeUnmarshalOneof(typ, of.ityp, baseUnmarshal)
-					u.setTag(fieldNum, of.field, unmarshal, 0, name)
-				}
 			}
 		}
+
+		// Find the oneof field that this struct implements.
+		// Might take O(n^2) to process all of the oneofs, but who cares.
+		for _, of := range oneofFields {
+			if tptr.Implements(of.ityp) {
+				// We have found the corresponding interface for this struct.
+				// That lets us know where this struct should be stored
+				// when we encounter it during unmarshaling.
+				unmarshal := makeUnmarshalOneof(typ, of.ityp, baseUnmarshal)
+				u.setTag(fieldNum, of.field, unmarshal, 0, name)
+			}
+		}
+
 	}
 
 	// Get extension ranges, if any.
-	fn = reflect.Zero(reflect.PtrTo(t)).MethodByName("ExtensionRangeArray")
+	fn := reflect.Zero(reflect.PtrTo(t)).MethodByName("ExtensionRangeArray")
 	if fn.IsValid() {
 		if !u.extensions.IsValid() && !u.oldExtensions.IsValid() {
 			panic("a message with extensions, but no extensions field in " + t.Name())
@@ -1948,7 +1950,7 @@ func encodeVarint(b []byte, x uint64) []byte {
 // If there is an error, it returns 0,0.
 func decodeVarint(b []byte) (uint64, int) {
 	var x, y uint64
-	if len(b) <= 0 {
+	if len(b) == 0 {
 		goto bad
 	}
 	x = uint64(b[0])

vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.proto

@@ -417,6 +417,17 @@ message FileOptions {
   // determining the namespace.
   optional string php_namespace = 41;
 
+
+  // Use this option to change the namespace of php generated metadata classes.
+  // Default is empty. When this option is empty, the proto file name will be used
+  // for determining the namespace.
+  optional string php_metadata_namespace = 44;
+
+  // Use this option to change the package of ruby generated classes. Default
+  // is empty. When this option is not set, the package name will be used for
+  // determining the ruby package.
+  optional string ruby_package = 45;
+
   // The parser stores options it doesn't recognize here.
   // See the documentation for the "Options" section above.
   repeated UninterpretedOption uninterpreted_option = 999;

vendor/github.com/golang/protobuf/protoc-gen-go/generator/generator.go

@@ -43,6 +43,7 @@ import (
 	"crypto/sha256"
 	"encoding/hex"
 	"fmt"
+	"go/ast"
 	"go/build"
 	"go/parser"
 	"go/printer"
@@ -67,7 +68,7 @@ import (
 // It is incremented whenever an incompatibility between the generated code and
 // proto package is introduced; the generated code references
 // a constant, proto.ProtoPackageIsVersionN (where N is generatedCodeVersion).
-const generatedCodeVersion = 2
+const generatedCodeVersion = 3
 
 // A Plugin provides functionality to add to the output during Go code generation,
 // such as to produce RPC stubs.
@@ -271,7 +272,6 @@ type FileDescriptor struct {
 	// This is used for supporting public imports.
 	exported map[Object][]symbol
 
-	fingerprint string        // Fingerprint of this file's contents.
 	importPath  GoImportPath  // Import path of this file's package.
 	packageName GoPackageName // Name of this file's Go package.
 
@@ -282,8 +282,8 @@ type FileDescriptor struct {
 // to the compressed bytes of this descriptor. It is not exported, so
 // it is only valid inside the generated package.
 func (d *FileDescriptor) VarName() string {
-	name := strings.Map(badToUnderscore, baseName(d.GetName()))
+	h := sha256.Sum256([]byte(d.GetName()))
-	return fmt.Sprintf("fileDescriptor_%s_%s", name, d.fingerprint)
+	return fmt.Sprintf("fileDescriptor_%s", hex.EncodeToString(h[:8]))
 }
 
 // goPackageOption interprets the file's go_package option.
@@ -340,7 +340,7 @@ func (d *FileDescriptor) addExport(obj Object, sym symbol) {
 type symbol interface {
 	// GenerateAlias should generate an appropriate alias
 	// for the symbol from the named package.
-	GenerateAlias(g *Generator, pkg GoPackageName)
+	GenerateAlias(g *Generator, filename string, pkg GoPackageName)
 }
 
 type messageSymbol struct {
@@ -356,7 +356,8 @@ type getterSymbol struct {
 	genType  bool   // whether typ contains a generated type (message/group/enum)
 }
 
-func (ms *messageSymbol) GenerateAlias(g *Generator, pkg GoPackageName) {
+func (ms *messageSymbol) GenerateAlias(g *Generator, filename string, pkg GoPackageName) {
+	g.P("// ", ms.sym, " from public import ", filename)
 	g.P("type ", ms.sym, " = ", pkg, ".", ms.sym)
 	for _, name := range ms.oneofTypes {
 		g.P("type ", name, " = ", pkg, ".", name)
@@ -368,8 +369,9 @@ type enumSymbol struct {
 	proto3 bool // Whether this came from a proto3 file.
 }
 
-func (es enumSymbol) GenerateAlias(g *Generator, pkg GoPackageName) {
+func (es enumSymbol) GenerateAlias(g *Generator, filename string, pkg GoPackageName) {
 	s := es.name
+	g.P("// ", s, " from public import ", filename)
 	g.P("type ", s, " = ", pkg, ".", s)
 	g.P("var ", s, "_name = ", pkg, ".", s, "_name")
 	g.P("var ", s, "_value = ", pkg, ".", s, "_value")
@@ -381,7 +383,7 @@ type constOrVarSymbol struct {
 	cast string // if non-empty, a type cast is required (used for enums)
 }
 
-func (cs constOrVarSymbol) GenerateAlias(g *Generator, pkg GoPackageName) {
+func (cs constOrVarSymbol) GenerateAlias(g *Generator, filename string, pkg GoPackageName) {
 	v := string(pkg) + "." + cs.sym
 	if cs.cast != "" {
 		v = cs.cast + "(" + v + ")"
@@ -418,6 +420,7 @@ type Generator struct {
 	packageNames     map[GoImportPath]GoPackageName // Imported package names in the current file.
 	usedPackages     map[GoImportPath]bool          // Packages used in current file.
 	usedPackageNames map[GoPackageName]bool         // Package names used in the current file.
+	addedImports     map[GoImportPath]bool          // Additional imports to emit.
 	typeNameToObject map[string]Object              // Key is a fully-qualified name in input syntax.
 	init             []string                       // Lines to emit in the init function.
 	indent           string
@@ -532,7 +535,7 @@ func (g *Generator) GoPackageName(importPath GoImportPath) GoPackageName {
 		return name
 	}
 	name := cleanPackageName(baseName(string(importPath)))
-	for i, orig := 1, name; g.usedPackageNames[name]; i++ {
+	for i, orig := 1, name; g.usedPackageNames[name] || isGoPredeclaredIdentifier[string(name)]; i++ {
 		name = orig + GoPackageName(strconv.Itoa(i))
 	}
 	g.packageNames[importPath] = name
@@ -540,6 +543,13 @@ func (g *Generator) GoPackageName(importPath GoImportPath) GoPackageName {
 	return name
 }
 
+// AddImport adds a package to the generated file's import section.
+// It returns the name used for the package.
+func (g *Generator) AddImport(importPath GoImportPath) GoPackageName {
+	g.addedImports[importPath] = true
+	return g.GoPackageName(importPath)
+}
+
 var globalPackageNames = map[GoPackageName]bool{
 	"fmt":   true,
 	"math":  true,
@@ -585,9 +595,51 @@ var isGoKeyword = map[string]bool{
 	"var":         true,
 }
 
+var isGoPredeclaredIdentifier = map[string]bool{
+	"append":     true,
+	"bool":       true,
+	"byte":       true,
+	"cap":        true,
+	"close":      true,
+	"complex":    true,
+	"complex128": true,
+	"complex64":  true,
+	"copy":       true,
+	"delete":     true,
+	"error":      true,
+	"false":      true,
+	"float32":    true,
+	"float64":    true,
+	"imag":       true,
+	"int":        true,
+	"int16":      true,
+	"int32":      true,
+	"int64":      true,
+	"int8":       true,
+	"iota":       true,
+	"len":        true,
+	"make":       true,
+	"new":        true,
+	"nil":        true,
+	"panic":      true,
+	"print":      true,
+	"println":    true,
+	"real":       true,
+	"recover":    true,
+	"rune":       true,
+	"string":     true,
+	"true":       true,
+	"uint":       true,
+	"uint16":     true,
+	"uint32":     true,
+	"uint64":     true,
+	"uint8":      true,
+	"uintptr":    true,
+}
+
 func cleanPackageName(name string) GoPackageName {
 	name = strings.Map(badToUnderscore, name)
-	// Identifier must not be keyword: insert _.
+	// Identifier must not be keyword or predeclared identifier: insert _.
 	if isGoKeyword[name] {
 		name = "_" + name
 	}
@@ -724,27 +776,10 @@ func (g *Generator) WrapTypes() {
 		if fd == nil {
 			g.Fail("could not find file named", fileName)
 		}
-		fingerprint, err := fingerprintProto(fd.FileDescriptorProto)
-		if err != nil {
-			g.Error(err)
-		}
-		fd.fingerprint = fingerprint
 		g.genFiles = append(g.genFiles, fd)
 	}
 }
 
-// fingerprintProto returns a fingerprint for a message.
-// The fingerprint is intended to prevent conflicts between generated fileds,
-// not to provide cryptographic security.
-func fingerprintProto(m proto.Message) (string, error) {
-	b, err := proto.Marshal(m)
-	if err != nil {
-		return "", err
-	}
-	h := sha256.Sum256(b)
-	return hex.EncodeToString(h[:8]), nil
-}
-
 // Scan the descriptors in this file.  For each one, build the slice of nested descriptors
 func (g *Generator) buildNestedDescriptors(descs []*Descriptor) {
 	for _, desc := range descs {
@@ -938,39 +973,6 @@ func (g *Generator) ObjectNamed(typeName string) Object {
 	if !ok {
 		g.Fail("can't find object with type", typeName)
 	}
-
-	// If the file of this object isn't a direct dependency of the current file,
-	// or in the current file, then this object has been publicly imported into
-	// a dependency of the current file.
-	// We should return the ImportedDescriptor object for it instead.
-	direct := *o.File().Name == *g.file.Name
-	if !direct {
-		for _, dep := range g.file.Dependency {
-			if *g.fileByName(dep).Name == *o.File().Name {
-				direct = true
-				break
-			}
-		}
-	}
-	if !direct {
-		found := false
-	Loop:
-		for _, dep := range g.file.Dependency {
-			df := g.fileByName(*g.fileByName(dep).Name)
-			for _, td := range df.imp {
-				if td.o == o {
-					// Found it!
-					o = td
-					found = true
-					break Loop
-				}
-			}
-		}
-		if !found {
-			log.Printf("protoc-gen-go: WARNING: failed finding publicly imported dependency for %v, used in %v", typeName, *g.file.Name)
-		}
-	}
-
 	return o
 }
 
@@ -1124,6 +1126,7 @@ func (g *Generator) generate(file *FileDescriptor) {
 	g.usedPackages = make(map[GoImportPath]bool)
 	g.packageNames = make(map[GoImportPath]GoPackageName)
 	g.usedPackageNames = make(map[GoPackageName]bool)
+	g.addedImports = make(map[GoImportPath]bool)
 	for name := range globalPackageNames {
 		g.usedPackageNames[name] = true
 	}
@@ -1152,12 +1155,11 @@ func (g *Generator) generate(file *FileDescriptor) {
 		g.generateExtension(ext)
 	}
 	g.generateInitFunction()
+	g.generateFileDescriptor(file)
 
 	// Run the plugins before the imports so we know which imports are necessary.
 	g.runPlugins(file)
 
-	g.generateFileDescriptor(file)
-
 	// Generate header and imports last, though they appear first in the output.
 	rem := g.Buffer
 	remAnno := g.annotations
@@ -1183,7 +1185,7 @@ func (g *Generator) generate(file *FileDescriptor) {
 		// make a copy independent of g; we'll need it after Reset.
 		original = append([]byte(nil), original...)
 	}
-	ast, err := parser.ParseFile(fset, "", original, parser.ParseComments)
+	fileAST, err := parser.ParseFile(fset, "", original, parser.ParseComments)
 	if err != nil {
 		// Print out the bad code with line numbers.
 		// This should never happen in practice, but it can while changing generated code,
@@ -1195,8 +1197,9 @@ func (g *Generator) generate(file *FileDescriptor) {
 		}
 		g.Fail("bad Go source code was generated:", err.Error(), "\n"+src.String())
 	}
+	ast.SortImports(fset, fileAST)
 	g.Reset()
-	err = (&printer.Config{Mode: printer.TabIndent | printer.UseSpaces, Tabwidth: 8}).Fprint(g, fset, ast)
+	err = (&printer.Config{Mode: printer.TabIndent | printer.UseSpaces, Tabwidth: 8}).Fprint(g, fset, fileAST)
 	if err != nil {
 		g.Fail("generated Go source code could not be reformatted:", err.Error())
 	}
@@ -1225,28 +1228,10 @@ func (g *Generator) generateHeader() {
 		g.P("// source: ", g.file.Name)
 	}
 	g.P()
-
+	g.PrintComments(strconv.Itoa(packagePath))
-	importPath, _, _ := g.file.goPackageOption()
+	g.P()
-	if importPath == "" {
+	g.P("package ", g.file.packageName)
-		g.P("package ", g.file.packageName)
-	} else {
-		g.P("package ", g.file.packageName, " // import ", GoImportPath(g.ImportPrefix)+importPath)
-	}
 	g.P()
-
-	if loc, ok := g.file.comments[strconv.Itoa(packagePath)]; ok {
-		g.P("/*")
-		// not using g.PrintComments because this is a /* */ comment block.
-		text := strings.TrimSuffix(loc.GetLeadingComments(), "\n")
-		for _, line := range strings.Split(text, "\n") {
-			line = strings.TrimPrefix(line, " ")
-			// ensure we don't escape from the block comment
-			line = strings.Replace(line, "*/", "* /", -1)
-			g.P(line)
-		}
-		g.P("*/")
-		g.P()
-	}
 }
 
 // deprecationComment is the standard comment added to deprecated
@@ -1277,7 +1262,7 @@ func (g *Generator) makeComments(path string) (string, bool) {
 	w := new(bytes.Buffer)
 	nl := ""
 	for _, line := range strings.Split(strings.TrimSuffix(loc.GetLeadingComments(), "\n"), "\n") {
-		fmt.Fprintf(w, "%s// %s", nl, strings.TrimPrefix(line, " "))
+		fmt.Fprintf(w, "%s//%s", nl, line)
 		nl = "\n"
 	}
 	return w.String(), true
@@ -1299,17 +1284,7 @@ func (g *Generator) weak(i int32) bool {
 
 // Generate the imports
 func (g *Generator) generateImports() {
-	// We almost always need a proto import.  Rather than computing when we
+	imports := make(map[GoImportPath]GoPackageName)
-	// do, which is tricky when there's a plugin, just import it and
-	// reference it later. The same argument applies to the fmt and math packages.
-	g.P("import "+g.Pkg["proto"]+" ", GoImportPath(g.ImportPrefix)+"github.com/golang/protobuf/proto")
-	g.P("import " + g.Pkg["fmt"] + ` "fmt"`)
-	g.P("import " + g.Pkg["math"] + ` "math"`)
-	var (
-		imports       = make(map[GoImportPath]bool)
-		strongImports = make(map[GoImportPath]bool)
-		importPaths   []string
-	)
 	for i, s := range g.file.Dependency {
 		fd := g.fileByName(s)
 		importPath := fd.importPath
@@ -1317,32 +1292,37 @@ func (g *Generator) generateImports() {
 		if importPath == g.file.importPath {
 			continue
 		}
-		if !imports[importPath] {
+		// Do not import weak imports.
-			importPaths = append(importPaths, string(importPath))
+		if g.weak(int32(i)) {
+			continue
 		}
-		imports[importPath] = true
+		// Do not import a package twice.
-		if !g.weak(int32(i)) {
+		if _, ok := imports[importPath]; ok {
-			strongImports[importPath] = true
-		}
-	}
-	sort.Strings(importPaths)
-	for i := range importPaths {
-		importPath := GoImportPath(importPaths[i])
-		packageName := g.GoPackageName(importPath)
-		fullPath := GoImportPath(g.ImportPrefix) + importPath
-		// Skip weak imports.
-		if !strongImports[importPath] {
-			g.P("// skipping weak import ", packageName, " ", fullPath)
 			continue
 		}
 		// We need to import all the dependencies, even if we don't reference them,
 		// because other code and tools depend on having the full transitive closure
 		// of protocol buffer types in the binary.
+		packageName := g.GoPackageName(importPath)
 		if _, ok := g.usedPackages[importPath]; !ok {
 			packageName = "_"
 		}
-		g.P("import ", packageName, " ", fullPath)
+		imports[importPath] = packageName
 	}
+	for importPath := range g.addedImports {
+		imports[importPath] = g.GoPackageName(importPath)
+	}
+	// We almost always need a proto import.  Rather than computing when we
+	// do, which is tricky when there's a plugin, just import it and
+	// reference it later. The same argument applies to the fmt and math packages.
+	g.P("import (")
+	g.P(g.Pkg["fmt"] + ` "fmt"`)
+	g.P(g.Pkg["math"] + ` "math"`)
+	g.P(g.Pkg["proto"]+" ", GoImportPath(g.ImportPrefix)+"github.com/golang/protobuf/proto")
+	for importPath, packageName := range imports {
+		g.P(packageName, " ", GoImportPath(g.ImportPrefix)+importPath)
+	}
+	g.P(")")
 	g.P()
 	// TODO: may need to worry about uniqueness across plugins
 	for _, p := range plugins {
@@ -1357,24 +1337,19 @@ func (g *Generator) generateImports() {
 }
 
 func (g *Generator) generateImported(id *ImportedDescriptor) {
-	tn := id.TypeName()
-	sn := tn[len(tn)-1]
 	df := id.o.File()
 	filename := *df.Name
 	if df.importPath == g.file.importPath {
 		// Don't generate type aliases for files in the same Go package as this one.
-		g.P("// Ignoring public import of ", sn, " from ", filename)
-		g.P()
 		return
 	}
 	if !supportTypeAliases {
 		g.Fail(fmt.Sprintf("%s: public imports require at least go1.9", filename))
 	}
-	g.P("// ", sn, " from public import ", filename)
 	g.usedPackages[df.importPath] = true
 
 	for _, sym := range df.exported[id.o] {
-		sym.GenerateAlias(g, g.GoPackageName(df.importPath))
+		sym.GenerateAlias(g, filename, g.GoPackageName(df.importPath))
 	}
 
 	g.P()
@@ -1410,6 +1385,7 @@ func (g *Generator) generateEnum(enum *EnumDescriptor) {
 		g.file.addExport(enum, constOrVarSymbol{name, "const", ccTypeName})
 	}
 	g.P(")")
+	g.P()
 	g.P("var ", ccTypeName, "_name = map[int32]string{")
 	generated := make(map[int32]bool) // avoid duplicate values
 	for _, e := range enum.Value {
@@ -1421,11 +1397,13 @@ func (g *Generator) generateEnum(enum *EnumDescriptor) {
 		generated[*e.Number] = true
 	}
 	g.P("}")
+	g.P()
 	g.P("var ", ccTypeName, "_value = map[string]int32{")
 	for _, e := range enum.Value {
 		g.P(strconv.Quote(*e.Name), ": ", e.Number, ",")
 	}
 	g.P("}")
+	g.P()
 
 	if !enum.proto3() {
 		g.P("func (x ", ccTypeName, ") Enum() *", ccTypeName, " {")
@@ -1433,11 +1411,13 @@ func (g *Generator) generateEnum(enum *EnumDescriptor) {
 		g.P("*p = x")
 		g.P("return p")
 		g.P("}")
+		g.P()
 	}
 
 	g.P("func (x ", ccTypeName, ") String() string {")
 	g.P("return ", g.Pkg["proto"], ".EnumName(", ccTypeName, "_name, int32(x))")
 	g.P("}")
+	g.P()
 
 	if !enum.proto3() {
 		g.P("func (x *", ccTypeName, ") UnmarshalJSON(data []byte) error {")
@@ -1448,6 +1428,7 @@ func (g *Generator) generateEnum(enum *EnumDescriptor) {
 		g.P("*x = ", ccTypeName, "(value)")
 		g.P("return nil")
 		g.P("}")
+		g.P()
 	}
 
 	var indexes []string
@@ -1459,11 +1440,13 @@ func (g *Generator) generateEnum(enum *EnumDescriptor) {
 	g.P("func (", ccTypeName, ") EnumDescriptor() ([]byte, []int) {")
 	g.P("return ", g.file.VarName(), ", []int{", strings.Join(indexes, ", "), "}")
 	g.P("}")
+	g.P()
 	if enum.file.GetPackage() == "google.protobuf" && enum.GetName() == "NullValue" {
 		g.P("func (", ccTypeName, `) XXX_WellKnownType() string { return "`, enum.GetName(), `" }`)
+		g.P()
 	}
 
-	g.P()
+	g.generateEnumRegistration(enum)
 }
 
 // The tag is a string like "varint,2,opt,name=fieldname,def=7" that
@@ -1520,6 +1503,18 @@ func (g *Generator) goTag(message *Descriptor, field *descriptor.FieldDescriptor
 				g.Fail("unknown enum type", CamelCaseSlice(obj.TypeName()))
 			}
 			defaultValue = enum.integerValueAsString(defaultValue)
+		case descriptor.FieldDescriptorProto_TYPE_FLOAT:
+			if def := defaultValue; def != "inf" && def != "-inf" && def != "nan" {
+				if f, err := strconv.ParseFloat(defaultValue, 32); err == nil {
+					defaultValue = fmt.Sprint(float32(f))
+				}
+			}
+		case descriptor.FieldDescriptorProto_TYPE_DOUBLE:
+			if def := defaultValue; def != "inf" && def != "-inf" && def != "nan" {
+				if f, err := strconv.ParseFloat(defaultValue, 64); err == nil {
+					defaultValue = fmt.Sprint(f)
+				}
+			}
 		}
 		defaultValue = ",def=" + defaultValue
 	}
@@ -1557,7 +1552,7 @@ func (g *Generator) goTag(message *Descriptor, field *descriptor.FieldDescriptor
 			name = name[i+1:]
 		}
 	}
-	if json := field.GetJsonName(); json != "" && json != name {
+	if json := field.GetJsonName(); field.Extendee == nil && json != "" && json != name {
 		// TODO: escaping might be needed, in which case
 		// perhaps this should be in its own "json" tag.
 		name += ",json=" + json
@@ -1661,11 +1656,16 @@ func (g *Generator) GoType(message *Descriptor, field *descriptor.FieldDescripto
 }
 
 func (g *Generator) RecordTypeUse(t string) {
-	if _, ok := g.typeNameToObject[t]; ok {
+	if _, ok := g.typeNameToObject[t]; !ok {
-		// Call ObjectNamed to get the true object to record the use.
+		return
-		obj := g.ObjectNamed(t)
-		g.usedPackages[obj.GoImportPath()] = true
 	}
+	importPath := g.ObjectNamed(t).GoImportPath()
+	if importPath == g.outputImportPath {
+		// Don't record use of objects in our package.
+		return
+	}
+	g.AddImport(importPath)
+	g.usedPackages[importPath] = true
 }
 
 // Method names that may be generated.  Fields with these names get an
@@ -1765,7 +1765,7 @@ func (g *Generator) defaultConstantName(goMessageType, protoFieldName string) st
 // oneofField - field containing list of subfields:
 // - oneofSubField - a field within the oneof
 
-// msgCtx contais the context for the generator functions.
+// msgCtx contains the context for the generator functions.
 type msgCtx struct {
 	goName  string      // Go struct name of the message, e.g. MessageName
 	message *Descriptor // The descriptor for the message
@@ -1869,216 +1869,15 @@ type oneofSubField struct {
 	fieldNumber   int                                  // Actual field number, as defined in proto, e.g. 12
 	getterDef     string                               // Default for getters, e.g. "nil", `""` or "Default_MessageType_FieldName"
 	protoDef      string                               // Default value as defined in the proto file, e.g "yoshi" or "5"
-}
+	deprecated    string                               // Deprecation comment, if any.
-
-// wireTypeName returns a textual wire type, needed for oneof sub fields in generated code.
-func (f *oneofSubField) wireTypeName() string {
-	switch f.protoType {
-	case descriptor.FieldDescriptorProto_TYPE_FIXED64,
-		descriptor.FieldDescriptorProto_TYPE_SFIXED64,
-		descriptor.FieldDescriptorProto_TYPE_DOUBLE:
-		return "WireFixed64"
-	case descriptor.FieldDescriptorProto_TYPE_FIXED32,
-		descriptor.FieldDescriptorProto_TYPE_SFIXED32,
-		descriptor.FieldDescriptorProto_TYPE_FLOAT:
-		return "WireFixed32"
-	case descriptor.FieldDescriptorProto_TYPE_GROUP:
-		return "WireStartGroup"
-	case descriptor.FieldDescriptorProto_TYPE_MESSAGE,
-		descriptor.FieldDescriptorProto_TYPE_STRING,
-		descriptor.FieldDescriptorProto_TYPE_BYTES:
-		return "WireBytes"
-	default: // All others are Varints
-		return "WireVarint"
-	}
 }
 
 // typedNil prints a nil casted to the pointer to this field.
-// - for XXX_OneofFuncs
+// - for XXX_OneofWrappers
 func (f *oneofSubField) typedNil(g *Generator) {
 	g.P("(*", f.oneofTypeName, ")(nil),")
 }
 
-// marshalCase prints the case matching this oneof subfield in the marshalling code.
-func (f *oneofSubField) marshalCase(g *Generator) {
-	g.P("case *", f.oneofTypeName, ":")
-	wire := f.wireTypeName()
-	var pre, post string
-	val := "x." + f.goName // overridden for TYPE_BOOL
-	switch f.protoType {
-	case descriptor.FieldDescriptorProto_TYPE_DOUBLE:
-		pre = "b.EncodeFixed64(" + g.Pkg["math"] + ".Float64bits("
-		post = "))"
-	case descriptor.FieldDescriptorProto_TYPE_FLOAT:
-		pre = "b.EncodeFixed32(uint64(" + g.Pkg["math"] + ".Float32bits("
-		post = ")))"
-	case descriptor.FieldDescriptorProto_TYPE_INT64, descriptor.FieldDescriptorProto_TYPE_UINT64:
-		pre, post = "b.EncodeVarint(uint64(", "))"
-	case descriptor.FieldDescriptorProto_TYPE_INT32, descriptor.FieldDescriptorProto_TYPE_UINT32, descriptor.FieldDescriptorProto_TYPE_ENUM:
-		pre, post = "b.EncodeVarint(uint64(", "))"
-	case descriptor.FieldDescriptorProto_TYPE_FIXED64, descriptor.FieldDescriptorProto_TYPE_SFIXED64:
-		pre, post = "b.EncodeFixed64(uint64(", "))"
-	case descriptor.FieldDescriptorProto_TYPE_FIXED32, descriptor.FieldDescriptorProto_TYPE_SFIXED32:
-		pre, post = "b.EncodeFixed32(uint64(", "))"
-	case descriptor.FieldDescriptorProto_TYPE_BOOL:
-		g.P("t := uint64(0)")
-		g.P("if ", val, " { t = 1 }")
-		val = "t"
-		pre, post = "b.EncodeVarint(", ")"
-	case descriptor.FieldDescriptorProto_TYPE_STRING:
-		pre, post = "b.EncodeStringBytes(", ")"
-	case descriptor.FieldDescriptorProto_TYPE_GROUP:
-		pre, post = "b.Marshal(", ")"
-	case descriptor.FieldDescriptorProto_TYPE_MESSAGE:
-		pre, post = "b.EncodeMessage(", ")"
-	case descriptor.FieldDescriptorProto_TYPE_BYTES:
-		pre, post = "b.EncodeRawBytes(", ")"
-	case descriptor.FieldDescriptorProto_TYPE_SINT32:
-		pre, post = "b.EncodeZigzag32(uint64(", "))"
-	case descriptor.FieldDescriptorProto_TYPE_SINT64:
-		pre, post = "b.EncodeZigzag64(uint64(", "))"
-	default:
-		g.Fail("unhandled oneof field type ", f.protoType.String())
-	}
-	g.P("b.EncodeVarint(", f.fieldNumber, "<<3|", g.Pkg["proto"], ".", wire, ")")
-	if t := f.protoType; t != descriptor.FieldDescriptorProto_TYPE_GROUP && t != descriptor.FieldDescriptorProto_TYPE_MESSAGE {
-		g.P(pre, val, post)
-	} else {
-		g.P("if err := ", pre, val, post, "; err != nil {")
-		g.P("return err")
-		g.P("}")
-	}
-	if f.protoType == descriptor.FieldDescriptorProto_TYPE_GROUP {
-		g.P("b.EncodeVarint(", f.fieldNumber, "<<3|", g.Pkg["proto"], ".WireEndGroup)")
-	}
-}
-
-// unmarshalCase prints the case matching this oneof subfield in the unmarshalling code.
-func (f *oneofSubField) unmarshalCase(g *Generator, origOneofName string, oneofName string) {
-	g.P("case ", f.fieldNumber, ": // ", origOneofName, ".", f.getProtoName())
-	g.P("if wire != ", g.Pkg["proto"], ".", f.wireTypeName(), " {")
-	g.P("return true, ", g.Pkg["proto"], ".ErrInternalBadWireType")
-	g.P("}")
-	lhs := "x, err" // overridden for TYPE_MESSAGE and TYPE_GROUP
-	var dec, cast, cast2 string
-	switch f.protoType {
-	case descriptor.FieldDescriptorProto_TYPE_DOUBLE:
-		dec, cast = "b.DecodeFixed64()", g.Pkg["math"]+".Float64frombits"
-	case descriptor.FieldDescriptorProto_TYPE_FLOAT:
-		dec, cast, cast2 = "b.DecodeFixed32()", "uint32", g.Pkg["math"]+".Float32frombits"
-	case descriptor.FieldDescriptorProto_TYPE_INT64:
-		dec, cast = "b.DecodeVarint()", "int64"
-	case descriptor.FieldDescriptorProto_TYPE_UINT64:
-		dec = "b.DecodeVarint()"
-	case descriptor.FieldDescriptorProto_TYPE_INT32:
-		dec, cast = "b.DecodeVarint()", "int32"
-	case descriptor.FieldDescriptorProto_TYPE_FIXED64:
-		dec = "b.DecodeFixed64()"
-	case descriptor.FieldDescriptorProto_TYPE_FIXED32:
-		dec, cast = "b.DecodeFixed32()", "uint32"
-	case descriptor.FieldDescriptorProto_TYPE_BOOL:
-		dec = "b.DecodeVarint()"
-		// handled specially below
-	case descriptor.FieldDescriptorProto_TYPE_STRING:
-		dec = "b.DecodeStringBytes()"
-	case descriptor.FieldDescriptorProto_TYPE_GROUP:
-		g.P("msg := new(", f.goType[1:], ")") // drop star
-		lhs = "err"
-		dec = "b.DecodeGroup(msg)"
-		// handled specially below
-	case descriptor.FieldDescriptorProto_TYPE_MESSAGE:
-		g.P("msg := new(", f.goType[1:], ")") // drop star
-		lhs = "err"
-		dec = "b.DecodeMessage(msg)"
-		// handled specially below
-	case descriptor.FieldDescriptorProto_TYPE_BYTES:
-		dec = "b.DecodeRawBytes(true)"
-	case descriptor.FieldDescriptorProto_TYPE_UINT32:
-		dec, cast = "b.DecodeVarint()", "uint32"
-	case descriptor.FieldDescriptorProto_TYPE_ENUM:
-		dec, cast = "b.DecodeVarint()", f.goType
-	case descriptor.FieldDescriptorProto_TYPE_SFIXED32:
-		dec, cast = "b.DecodeFixed32()", "int32"
-	case descriptor.FieldDescriptorProto_TYPE_SFIXED64:
-		dec, cast = "b.DecodeFixed64()", "int64"
-	case descriptor.FieldDescriptorProto_TYPE_SINT32:
-		dec, cast = "b.DecodeZigzag32()", "int32"
-	case descriptor.FieldDescriptorProto_TYPE_SINT64:
-		dec, cast = "b.DecodeZigzag64()", "int64"
-	default:
-		g.Fail("unhandled oneof field type ", f.protoType.String())
-	}
-	g.P(lhs, " := ", dec)
-	val := "x"
-	if cast != "" {
-		val = cast + "(" + val + ")"
-	}
-	if cast2 != "" {
-		val = cast2 + "(" + val + ")"
-	}
-	switch f.protoType {
-	case descriptor.FieldDescriptorProto_TYPE_BOOL:
-		val += " != 0"
-	case descriptor.FieldDescriptorProto_TYPE_GROUP,
-		descriptor.FieldDescriptorProto_TYPE_MESSAGE:
-		val = "msg"
-	}
-	g.P("m.", oneofName, " = &", f.oneofTypeName, "{", val, "}")
-	g.P("return true, err")
-}
-
-// sizerCase prints the case matching this oneof subfield in the sizer code.
-func (f *oneofSubField) sizerCase(g *Generator) {
-	g.P("case *", f.oneofTypeName, ":")
-	val := "x." + f.goName
-	var varint, fixed string
-	switch f.protoType {
-	case descriptor.FieldDescriptorProto_TYPE_DOUBLE:
-		fixed = "8"
-	case descriptor.FieldDescriptorProto_TYPE_FLOAT:
-		fixed = "4"
-	case descriptor.FieldDescriptorProto_TYPE_INT64, descriptor.FieldDescriptorProto_TYPE_UINT64, descriptor.FieldDescriptorProto_TYPE_INT32, descriptor.FieldDescriptorProto_TYPE_UINT32, descriptor.FieldDescriptorProto_TYPE_ENUM:
-		varint = val
-	case descriptor.FieldDescriptorProto_TYPE_FIXED64, descriptor.FieldDescriptorProto_TYPE_SFIXED64:
-		fixed = "8"
-	case descriptor.FieldDescriptorProto_TYPE_FIXED32, descriptor.FieldDescriptorProto_TYPE_SFIXED32:
-		fixed = "4"
-	case descriptor.FieldDescriptorProto_TYPE_BOOL:
-		fixed = "1"
-	case descriptor.FieldDescriptorProto_TYPE_STRING:
-		fixed = "len(" + val + ")"
-		varint = fixed
-	case descriptor.FieldDescriptorProto_TYPE_GROUP:
-		fixed = g.Pkg["proto"] + ".Size(" + val + ")"
-	case descriptor.FieldDescriptorProto_TYPE_MESSAGE:
-		g.P("s := ", g.Pkg["proto"], ".Size(", val, ")")
-		fixed = "s"
-		varint = fixed
-	case descriptor.FieldDescriptorProto_TYPE_BYTES:
-		fixed = "len(" + val + ")"
-		varint = fixed
-	case descriptor.FieldDescriptorProto_TYPE_SINT32:
-		varint = "(uint32(" + val + ") << 1) ^ uint32((int32(" + val + ") >> 31))"
-	case descriptor.FieldDescriptorProto_TYPE_SINT64:
-		varint = "uint64(" + val + " << 1) ^ uint64((int64(" + val + ") >> 63))"
-	default:
-		g.Fail("unhandled oneof field type ", f.protoType.String())
-	}
-	// Tag and wire varint is known statically,
-	// so don't generate code for that part of the size computation.
-	tagAndWireSize := proto.SizeVarint(uint64(f.fieldNumber << 3)) // wire doesn't affect varint size
-	g.P("n += ", tagAndWireSize, " // tag and wire")
-	if varint != "" {
-		g.P("n += ", g.Pkg["proto"], ".SizeVarint(uint64(", varint, "))")
-	}
-	if fixed != "" {
-		g.P("n += ", fixed)
-	}
-	if f.protoType == descriptor.FieldDescriptorProto_TYPE_GROUP {
-		g.P("n += ", tagAndWireSize, " // tag and wire")
-	}
-}
-
 // getProtoDef returns the default value explicitly stated in the proto file, e.g "yoshi" or "5".
 func (f *oneofSubField) getProtoDef() string {
 	return f.protoDef
@@ -2138,6 +1937,9 @@ func (f *oneofField) getter(g *Generator, mc *msgCtx) {
 	g.P()
 	// Getters for each oneof
 	for _, sf := range f.subFields {
+		if sf.deprecated != "" {
+			g.P(sf.deprecated)
+		}
 		g.P("func (m *", mc.goName, ") ", Annotate(mc.message.file, sf.fullPath, sf.getterName), "() "+sf.goType+" {")
 		g.P("if x, ok := m.", f.getterName, "().(*", sf.oneofTypeName, "); ok {")
 		g.P("return x.", sf.goName)
@@ -2215,6 +2017,14 @@ func (g *Generator) generateDefaultConstants(mc *msgCtx, topLevelFields []topLev
 				def = "float32(" + def + ")"
 			}
 			kind = "var "
+		case df.getProtoType() == descriptor.FieldDescriptorProto_TYPE_FLOAT:
+			if f, err := strconv.ParseFloat(def, 32); err == nil {
+				def = fmt.Sprint(float32(f))
+			}
+		case df.getProtoType() == descriptor.FieldDescriptorProto_TYPE_DOUBLE:
+			if f, err := strconv.ParseFloat(def, 64); err == nil {
+				def = fmt.Sprint(f)
+			}
 		case df.getProtoType() == descriptor.FieldDescriptorProto_TYPE_ENUM:
 			// Must be an enum.  Need to construct the prefixed name.
 			obj := g.ObjectNamed(df.getProtoTypeName())
@@ -2263,17 +2073,11 @@ func (g *Generator) generateOneofFuncs(mc *msgCtx, topLevelFields []topLevelFiel
 	if len(ofields) == 0 {
 		return
 	}
-	enc := "_" + mc.goName + "_OneofMarshaler"
-	dec := "_" + mc.goName + "_OneofUnmarshaler"
-	size := "_" + mc.goName + "_OneofSizer"
-	encSig := "(msg " + g.Pkg["proto"] + ".Message, b *" + g.Pkg["proto"] + ".Buffer) error"
-	decSig := "(msg " + g.Pkg["proto"] + ".Message, tag, wire int, b *" + g.Pkg["proto"] + ".Buffer) (bool, error)"
-	sizeSig := "(msg " + g.Pkg["proto"] + ".Message) (n int)"
 
 	// OneofFuncs
-	g.P("// XXX_OneofFuncs is for the internal use of the proto package.")
+	g.P("// XXX_OneofWrappers is for the internal use of the proto package.")
-	g.P("func (*", mc.goName, ") XXX_OneofFuncs() (func", encSig, ", func", decSig, ", func", sizeSig, ", []interface{}) {")
+	g.P("func (*", mc.goName, ") XXX_OneofWrappers() []interface{} {")
-	g.P("return ", enc, ", ", dec, ", ", size, ", []interface{}{")
+	g.P("return []interface{}{")
 	for _, of := range ofields {
 		for _, sf := range of.subFields {
 			sf.typedNil(g)
@@ -2282,59 +2086,6 @@ func (g *Generator) generateOneofFuncs(mc *msgCtx, topLevelFields []topLevelFiel
 	g.P("}")
 	g.P("}")
 	g.P()
-
-	// marshaler
-	g.P("func ", enc, encSig, " {")
-	g.P("m := msg.(*", mc.goName, ")")
-	for _, of := range ofields {
-		g.P("// ", of.getProtoName())
-		g.P("switch x := m.", of.goName, ".(type) {")
-		for _, sf := range of.subFields {
-			// also fills in field.wire
-			sf.marshalCase(g)
-		}
-		g.P("case nil:")
-		g.P("default:")
-		g.P(" return ", g.Pkg["fmt"], `.Errorf("`, mc.goName, ".", of.goName, ` has unexpected type %T", x)`)
-		g.P("}")
-	}
-	g.P("return nil")
-	g.P("}")
-	g.P()
-
-	// unmarshaler
-	g.P("func ", dec, decSig, " {")
-	g.P("m := msg.(*", mc.goName, ")")
-	g.P("switch tag {")
-	for _, of := range ofields {
-		for _, sf := range of.subFields {
-			sf.unmarshalCase(g, of.getProtoName(), of.goName)
-		}
-	}
-	g.P("default:")
-	g.P("return false, nil")
-	g.P("}")
-	g.P("}")
-	g.P()
-
-	// sizer
-	g.P("func ", size, sizeSig, " {")
-	g.P("m := msg.(*", mc.goName, ")")
-	for _, of := range ofields {
-		g.P("// ", of.getProtoName())
-		g.P("switch x := m.", of.goName, ".(type) {")
-		for _, sf := range of.subFields {
-			// also fills in field.wire
-			sf.sizerCase(g)
-		}
-		g.P("case nil:")
-		g.P("default:")
-		g.P("panic(", g.Pkg["fmt"], ".Sprintf(\"proto: unexpected type %T in oneof\", x))")
-		g.P("}")
-	}
-	g.P("return n")
-	g.P("}")
-	g.P()
 }
 
 // generateMessageStruct adds the actual struct with it's members (but not methods) to the output.
@@ -2386,25 +2137,16 @@ func (g *Generator) generateCommonMethods(mc *msgCtx) {
 	g.P("func (*", mc.goName, ") Descriptor() ([]byte, []int) {")
 	g.P("return ", g.file.VarName(), ", []int{", strings.Join(indexes, ", "), "}")
 	g.P("}")
+	g.P()
 	// TODO: Revisit the decision to use a XXX_WellKnownType method
 	// if we change proto.MessageName to work with multiple equivalents.
 	if mc.message.file.GetPackage() == "google.protobuf" && wellKnownTypes[mc.message.GetName()] {
 		g.P("func (*", mc.goName, `) XXX_WellKnownType() string { return "`, mc.message.GetName(), `" }`)
+		g.P()
 	}
 
 	// Extension support methods
 	if len(mc.message.ExtensionRange) > 0 {
-		// message_set_wire_format only makes sense when extensions are defined.
-		if opts := mc.message.Options; opts != nil && opts.GetMessageSetWireFormat() {
-			g.P()
-			g.P("func (m *", mc.goName, ") MarshalJSON() ([]byte, error) {")
-			g.P("return ", g.Pkg["proto"], ".MarshalMessageSetJSON(&m.XXX_InternalExtensions)")
-			g.P("}")
-			g.P("func (m *", mc.goName, ") UnmarshalJSON(buf []byte) error {")
-			g.P("return ", g.Pkg["proto"], ".UnmarshalMessageSetJSON(buf, &m.XXX_InternalExtensions)")
-			g.P("}")
-		}
-
 		g.P()
 		g.P("var extRange_", mc.goName, " = []", g.Pkg["proto"], ".ExtensionRange{")
 		for _, r := range mc.message.ExtensionRange {
@@ -2415,6 +2157,7 @@ func (g *Generator) generateCommonMethods(mc *msgCtx) {
 		g.P("func (*", mc.goName, ") ExtensionRangeArray() []", g.Pkg["proto"], ".ExtensionRange {")
 		g.P("return extRange_", mc.goName)
 		g.P("}")
+		g.P()
 	}
 
 	// TODO: It does not scale to keep adding another method for every
@@ -2432,8 +2175,8 @@ func (g *Generator) generateCommonMethods(mc *msgCtx) {
 	g.P("return xxx_messageInfo_", mc.goName, ".Marshal(b, m, deterministic)")
 	g.P("}")
 
-	g.P("func (dst *", mc.goName, ") XXX_Merge(src ", g.Pkg["proto"], ".Message) {")
+	g.P("func (m *", mc.goName, ") XXX_Merge(src ", g.Pkg["proto"], ".Message) {")
-	g.P("xxx_messageInfo_", mc.goName, ".Merge(dst, src)")
+	g.P("xxx_messageInfo_", mc.goName, ".Merge(m, src)")
 	g.P("}")
 
 	g.P("func (m *", mc.goName, ") XXX_Size() int {") // avoid name clash with "Size" field in some message
@@ -2503,8 +2246,7 @@ func (g *Generator) generateMessage(message *Descriptor) {
 		if oneof && oFields[*field.OneofIndex] == nil {
 			odp := message.OneofDecl[int(*field.OneofIndex)]
 			base := CamelCase(odp.GetName())
-			names := allocNames(base, "Get"+base)
+			fname := allocNames(base)[0]
-			fname, gname := names[0], names[1]
 
 			// This is the first field of a oneof we haven't seen before.
 			// Generate the union field.
@@ -2522,7 +2264,7 @@ func (g *Generator) generateMessage(message *Descriptor) {
 			of := oneofField{
 				fieldCommon: fieldCommon{
 					goName:     fname,
-					getterName: gname,
+					getterName: "Get"+fname,
 					goType:     dname,
 					tags:       tag,
 					protoName:  odp.GetName(),
@@ -2564,6 +2306,11 @@ func (g *Generator) generateMessage(message *Descriptor) {
 			}
 		}
 
+		fieldDeprecated := ""
+		if field.GetOptions().GetDeprecated() {
+			fieldDeprecated = deprecationComment
+		}
+
 		dvalue := g.getterDefault(field, goTypeName)
 		if oneof {
 			tname := goTypeName + "_" + fieldName
@@ -2607,17 +2354,13 @@ func (g *Generator) generateMessage(message *Descriptor) {
 				getterDef:     dvalue,
 				protoDef:      field.GetDefaultValue(),
 				oneofTypeName: tname,
+				deprecated:    fieldDeprecated,
 			}
 			oneofField.subFields = append(oneofField.subFields, &sf)
 			g.RecordTypeUse(field.GetTypeName())
 			continue
 		}
 
-		fieldDeprecated := ""
-		if field.GetOptions().GetDeprecated() {
-			fieldDeprecated = deprecationComment
-		}
-
 		fieldFullPath := fmt.Sprintf("%s,%d,%d", message.path, messageFieldPath, i)
 		c, ok := g.makeComments(fieldFullPath)
 		if ok {
@@ -2663,27 +2406,24 @@ func (g *Generator) generateMessage(message *Descriptor) {
 	g.generateOneofFuncs(mc, topLevelFields)
 	g.P()
 
-	if !message.group {
+	var oneofTypes []string
-
+	for _, f := range topLevelFields {
-		var oneofTypes []string
+		if of, ok := f.(*oneofField); ok {
-		for _, f := range topLevelFields {
+			for _, osf := range of.subFields {
-			if of, ok := f.(*oneofField); ok {
+				oneofTypes = append(oneofTypes, osf.oneofTypeName)
-				for _, osf := range of.subFields {
-					oneofTypes = append(oneofTypes, osf.oneofTypeName)
-				}
 			}
 		}
-
-		opts := message.Options
-		ms := &messageSymbol{
-			sym:           goTypeName,
-			hasExtensions: len(message.ExtensionRange) > 0,
-			isMessageSet:  opts != nil && opts.GetMessageSetWireFormat(),
-			oneofTypes:    oneofTypes,
-		}
-		g.file.addExport(message, ms)
 	}
 
+	opts := message.Options
+	ms := &messageSymbol{
+		sym:           goTypeName,
+		hasExtensions: len(message.ExtensionRange) > 0,
+		isMessageSet:  opts != nil && opts.GetMessageSetWireFormat(),
+		oneofTypes:    oneofTypes,
+	}
+	g.file.addExport(message, ms)
+
 	for _, ext := range message.ext {
 		g.generateExtension(ext)
 	}
@@ -2811,10 +2551,8 @@ func (g *Generator) generateExtension(ext *ExtensionDescriptor) {
 	// In addition, the situation for when to apply this special case is implemented
 	// differently in other languages:
 	// https://github.com/google/protobuf/blob/aff10976/src/google/protobuf/text_format.cc#L1560
-	mset := false
 	if extDesc.GetOptions().GetMessageSetWireFormat() && typeName[len(typeName)-1] == "message_set_extension" {
 		typeName = typeName[:len(typeName)-1]
-		mset = true
 	}
 
 	// For text formatting, the package must be exactly what the .proto file declares,
@@ -2835,26 +2573,12 @@ func (g *Generator) generateExtension(ext *ExtensionDescriptor) {
 	g.P("}")
 	g.P()
 
-	if mset {
+	g.addInitf("%s.RegisterExtension(%s)", g.Pkg["proto"], ext.DescName())
-		// Generate a bit more code to register with message_set.go.
-		g.addInitf("%s.RegisterMessageSetType((%s)(nil), %d, %q)", g.Pkg["proto"], fieldType, *field.Number, extName)
-	}
 
 	g.file.addExport(ext, constOrVarSymbol{ccTypeName, "var", ""})
 }
 
 func (g *Generator) generateInitFunction() {
-	for _, enum := range g.file.enum {
-		g.generateEnumRegistration(enum)
-	}
-	for _, d := range g.file.desc {
-		for _, ext := range d.ext {
-			g.generateExtensionRegistration(ext)
-		}
-	}
-	for _, ext := range g.file.ext {
-		g.generateExtensionRegistration(ext)
-	}
 	if len(g.init) == 0 {
 		return
 	}
@@ -2918,10 +2642,6 @@ func (g *Generator) generateEnumRegistration(enum *EnumDescriptor) {
 	g.addInitf("%s.RegisterEnum(%q, %[3]s_name, %[3]s_value)", g.Pkg["proto"], pkg+ccTypeName, ccTypeName)
 }
 
-func (g *Generator) generateExtensionRegistration(ext *ExtensionDescriptor) {
-	g.addInitf("%s.RegisterExtension(%s)", g.Pkg["proto"], ext.DescName())
-}
-
 // And now lots of helper functions.
 
 // Is c an ASCII lower-case letter?

vendor/github.com/golang/protobuf/ptypes/any/any.pb.go

@@ -1,11 +1,13 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // source: google/protobuf/any.proto
 
-package any // import "github.com/golang/protobuf/ptypes/any"
+package any
 
-import proto "github.com/golang/protobuf/proto"
+import (
-import fmt "fmt"
+	fmt "fmt"
-import math "math"
+	proto "github.com/golang/protobuf/proto"
+	math "math"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
@@ -16,7 +18,7 @@ var _ = math.Inf
 // is compatible with the proto package it is being compiled against.
 // A compilation error at this line likely means your copy of the
 // proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
 // `Any` contains an arbitrary serialized protocol buffer message along with a
 // URL that describes the type of the serialized message.
@@ -99,17 +101,18 @@ const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
 //     }
 //
 type Any struct {
-	// A URL/resource name whose content describes the type of the
+	// A URL/resource name that uniquely identifies the type of the serialized
-	// serialized protocol buffer message.
+	// protocol buffer message. The last segment of the URL's path must represent
+	// the fully qualified name of the type (as in
+	// `path/google.protobuf.Duration`). The name should be in a canonical form
+	// (e.g., leading "." is not accepted).
 	//
-	// For URLs which use the scheme `http`, `https`, or no scheme, the
+	// In practice, teams usually precompile into the binary all types that they
-	// following restrictions and interpretations apply:
+	// expect it to use in the context of Any. However, for URLs which use the
+	// scheme `http`, `https`, or no scheme, one can optionally set up a type
+	// server that maps type URLs to message definitions as follows:
 	//
 	// * If no scheme is provided, `https` is assumed.
-	// * The last segment of the URL's path must represent the fully
-	//   qualified name of the type (as in `path/google.protobuf.Duration`).
-	//   The name should be in a canonical form (e.g., leading "." is
-	//   not accepted).
 	// * An HTTP GET on the URL must yield a [google.protobuf.Type][]
 	//   value in binary format, or produce an error.
 	// * Applications are allowed to cache lookup results based on the
@@ -118,6 +121,10 @@ type Any struct {
 	//   on changes to types. (Use versioned type names to manage
 	//   breaking changes.)
 	//
+	// Note: this functionality is not currently available in the official
+	// protobuf release, and it is not used for type URLs beginning with
+	// type.googleapis.com.
+	//
 	// Schemes other than `http`, `https` (or the empty scheme) might be
 	// used with implementation specific semantics.
 	//
@@ -133,17 +140,19 @@ func (m *Any) Reset()         { *m = Any{} }
 func (m *Any) String() string { return proto.CompactTextString(m) }
 func (*Any) ProtoMessage()    {}
 func (*Any) Descriptor() ([]byte, []int) {
-	return fileDescriptor_any_744b9ca530f228db, []int{0}
+	return fileDescriptor_b53526c13ae22eb4, []int{0}
 }
+
 func (*Any) XXX_WellKnownType() string { return "Any" }
+
 func (m *Any) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Any.Unmarshal(m, b)
 }
 func (m *Any) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Any.Marshal(b, m, deterministic)
 }
-func (dst *Any) XXX_Merge(src proto.Message) {
+func (m *Any) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Any.Merge(dst, src)
+	xxx_messageInfo_Any.Merge(m, src)
 }
 func (m *Any) XXX_Size() int {
 	return xxx_messageInfo_Any.Size(m)
@@ -172,9 +181,9 @@ func init() {
 	proto.RegisterType((*Any)(nil), "google.protobuf.Any")
 }
 
-func init() { proto.RegisterFile("google/protobuf/any.proto", fileDescriptor_any_744b9ca530f228db) }
+func init() { proto.RegisterFile("google/protobuf/any.proto", fileDescriptor_b53526c13ae22eb4) }
 
-var fileDescriptor_any_744b9ca530f228db = []byte{
+var fileDescriptor_b53526c13ae22eb4 = []byte{
 	// 185 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x92, 0x4c, 0xcf, 0xcf, 0x4f,
 	0xcf, 0x49, 0xd5, 0x2f, 0x28, 0xca, 0x2f, 0xc9, 0x4f, 0x2a, 0x4d, 0xd3, 0x4f, 0xcc, 0xab, 0xd4,

vendor/github.com/golang/protobuf/ptypes/any/any.proto

@@ -120,17 +120,18 @@ option objc_class_prefix = "GPB";
 //     }
 //
 message Any {
-  // A URL/resource name whose content describes the type of the
+  // A URL/resource name that uniquely identifies the type of the serialized
-  // serialized protocol buffer message.
+  // protocol buffer message. The last segment of the URL's path must represent
+  // the fully qualified name of the type (as in
+  // `path/google.protobuf.Duration`). The name should be in a canonical form
+  // (e.g., leading "." is not accepted).
   //
-  // For URLs which use the scheme `http`, `https`, or no scheme, the
+  // In practice, teams usually precompile into the binary all types that they
-  // following restrictions and interpretations apply:
+  // expect it to use in the context of Any. However, for URLs which use the
+  // scheme `http`, `https`, or no scheme, one can optionally set up a type
+  // server that maps type URLs to message definitions as follows:
   //
   // * If no scheme is provided, `https` is assumed.
-  // * The last segment of the URL's path must represent the fully
-  //   qualified name of the type (as in `path/google.protobuf.Duration`).
-  //   The name should be in a canonical form (e.g., leading "." is
-  //   not accepted).
   // * An HTTP GET on the URL must yield a [google.protobuf.Type][]
   //   value in binary format, or produce an error.
   // * Applications are allowed to cache lookup results based on the
@@ -139,6 +140,10 @@ message Any {
   //   on changes to types. (Use versioned type names to manage
   //   breaking changes.)
   //
+  // Note: this functionality is not currently available in the official
+  // protobuf release, and it is not used for type URLs beginning with
+  // type.googleapis.com.
+  //
   // Schemes other than `http`, `https` (or the empty scheme) might be
   // used with implementation specific semantics.
   //

vendor/github.com/golang/protobuf/ptypes/duration.go

@@ -82,7 +82,7 @@ func Duration(p *durpb.Duration) (time.Duration, error) {
 		return 0, fmt.Errorf("duration: %v is out of range for time.Duration", p)
 	}
 	if p.Nanos != 0 {
-		d += time.Duration(p.Nanos)
+		d += time.Duration(p.Nanos) * time.Nanosecond
 		if (d < 0) != (p.Nanos < 0) {
 			return 0, fmt.Errorf("duration: %v is out of range for time.Duration", p)
 		}

vendor/github.com/golang/protobuf/ptypes/duration/duration.pb.go

@@ -1,11 +1,13 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // source: google/protobuf/duration.proto
 
-package duration // import "github.com/golang/protobuf/ptypes/duration"
+package duration
 
-import proto "github.com/golang/protobuf/proto"
+import (
-import fmt "fmt"
+	fmt "fmt"
-import math "math"
+	proto "github.com/golang/protobuf/proto"
+	math "math"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
@@ -16,7 +18,7 @@ var _ = math.Inf
 // is compatible with the proto package it is being compiled against.
 // A compilation error at this line likely means your copy of the
 // proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
 // A Duration represents a signed, fixed-length span of time represented
 // as a count of seconds and fractions of seconds at nanosecond
@@ -99,17 +101,19 @@ func (m *Duration) Reset()         { *m = Duration{} }
 func (m *Duration) String() string { return proto.CompactTextString(m) }
 func (*Duration) ProtoMessage()    {}
 func (*Duration) Descriptor() ([]byte, []int) {
-	return fileDescriptor_duration_e7d612259e3f0613, []int{0}
+	return fileDescriptor_23597b2ebd7ac6c5, []int{0}
 }
+
 func (*Duration) XXX_WellKnownType() string { return "Duration" }
+
 func (m *Duration) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Duration.Unmarshal(m, b)
 }
 func (m *Duration) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Duration.Marshal(b, m, deterministic)
 }
-func (dst *Duration) XXX_Merge(src proto.Message) {
+func (m *Duration) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Duration.Merge(dst, src)
+	xxx_messageInfo_Duration.Merge(m, src)
 }
 func (m *Duration) XXX_Size() int {
 	return xxx_messageInfo_Duration.Size(m)
@@ -138,11 +142,9 @@ func init() {
 	proto.RegisterType((*Duration)(nil), "google.protobuf.Duration")
 }
 
-func init() {
+func init() { proto.RegisterFile("google/protobuf/duration.proto", fileDescriptor_23597b2ebd7ac6c5) }
-	proto.RegisterFile("google/protobuf/duration.proto", fileDescriptor_duration_e7d612259e3f0613)
-}
 
-var fileDescriptor_duration_e7d612259e3f0613 = []byte{
+var fileDescriptor_23597b2ebd7ac6c5 = []byte{
 	// 190 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x92, 0x4b, 0xcf, 0xcf, 0x4f,
 	0xcf, 0x49, 0xd5, 0x2f, 0x28, 0xca, 0x2f, 0xc9, 0x4f, 0x2a, 0x4d, 0xd3, 0x4f, 0x29, 0x2d, 0x4a,

vendor/github.com/golang/protobuf/ptypes/struct/struct.pb.go

@@ -1,11 +1,13 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // source: google/protobuf/struct.proto
 
-package structpb // import "github.com/golang/protobuf/ptypes/struct"
+package structpb
 
-import proto "github.com/golang/protobuf/proto"
+import (
-import fmt "fmt"
+	fmt "fmt"
-import math "math"
+	proto "github.com/golang/protobuf/proto"
+	math "math"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
@@ -16,7 +18,7 @@ var _ = math.Inf
 // is compatible with the proto package it is being compiled against.
 // A compilation error at this line likely means your copy of the
 // proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
 // `NullValue` is a singleton enumeration to represent the null value for the
 // `Value` type union.
@@ -32,6 +34,7 @@ const (
 var NullValue_name = map[int32]string{
 	0: "NULL_VALUE",
 }
+
 var NullValue_value = map[string]int32{
 	"NULL_VALUE": 0,
 }
@@ -39,9 +42,11 @@ var NullValue_value = map[string]int32{
 func (x NullValue) String() string {
 	return proto.EnumName(NullValue_name, int32(x))
 }
+
 func (NullValue) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_struct_3a5a94e0c7801b27, []int{0}
+	return fileDescriptor_df322afd6c9fb402, []int{0}
 }
+
 func (NullValue) XXX_WellKnownType() string { return "NullValue" }
 
 // `Struct` represents a structured data value, consisting of fields
@@ -64,17 +69,19 @@ func (m *Struct) Reset()         { *m = Struct{} }
 func (m *Struct) String() string { return proto.CompactTextString(m) }
 func (*Struct) ProtoMessage()    {}
 func (*Struct) Descriptor() ([]byte, []int) {
-	return fileDescriptor_struct_3a5a94e0c7801b27, []int{0}
+	return fileDescriptor_df322afd6c9fb402, []int{0}
 }
+
 func (*Struct) XXX_WellKnownType() string { return "Struct" }
+
 func (m *Struct) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Struct.Unmarshal(m, b)
 }
 func (m *Struct) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Struct.Marshal(b, m, deterministic)
 }
-func (dst *Struct) XXX_Merge(src proto.Message) {
+func (m *Struct) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Struct.Merge(dst, src)
+	xxx_messageInfo_Struct.Merge(m, src)
 }
 func (m *Struct) XXX_Size() int {
 	return xxx_messageInfo_Struct.Size(m)
@@ -118,17 +125,19 @@ func (m *Value) Reset()         { *m = Value{} }
 func (m *Value) String() string { return proto.CompactTextString(m) }
 func (*Value) ProtoMessage()    {}
 func (*Value) Descriptor() ([]byte, []int) {
-	return fileDescriptor_struct_3a5a94e0c7801b27, []int{1}
+	return fileDescriptor_df322afd6c9fb402, []int{1}
 }
+
 func (*Value) XXX_WellKnownType() string { return "Value" }
+
 func (m *Value) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Value.Unmarshal(m, b)
 }
 func (m *Value) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Value.Marshal(b, m, deterministic)
 }
-func (dst *Value) XXX_Merge(src proto.Message) {
+func (m *Value) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Value.Merge(dst, src)
+	xxx_messageInfo_Value.Merge(m, src)
 }
 func (m *Value) XXX_Size() int {
 	return xxx_messageInfo_Value.Size(m)
@@ -228,9 +237,9 @@ func (m *Value) GetListValue() *ListValue {
 	return nil
 }
 
-// XXX_OneofFuncs is for the internal use of the proto package.
+// XXX_OneofWrappers is for the internal use of the proto package.
-func (*Value) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{}) {
+func (*Value) XXX_OneofWrappers() []interface{} {
-	return _Value_OneofMarshaler, _Value_OneofUnmarshaler, _Value_OneofSizer, []interface{}{
+	return []interface{}{
 		(*Value_NullValue)(nil),
 		(*Value_NumberValue)(nil),
 		(*Value_StringValue)(nil),
@@ -240,129 +249,6 @@ func (*Value) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error,
 	}
 }
 
-func _Value_OneofMarshaler(msg proto.Message, b *proto.Buffer) error {
-	m := msg.(*Value)
-	// kind
-	switch x := m.Kind.(type) {
-	case *Value_NullValue:
-		b.EncodeVarint(1<<3 | proto.WireVarint)
-		b.EncodeVarint(uint64(x.NullValue))
-	case *Value_NumberValue:
-		b.EncodeVarint(2<<3 | proto.WireFixed64)
-		b.EncodeFixed64(math.Float64bits(x.NumberValue))
-	case *Value_StringValue:
-		b.EncodeVarint(3<<3 | proto.WireBytes)
-		b.EncodeStringBytes(x.StringValue)
-	case *Value_BoolValue:
-		t := uint64(0)
-		if x.BoolValue {
-			t = 1
-		}
-		b.EncodeVarint(4<<3 | proto.WireVarint)
-		b.EncodeVarint(t)
-	case *Value_StructValue:
-		b.EncodeVarint(5<<3 | proto.WireBytes)
-		if err := b.EncodeMessage(x.StructValue); err != nil {
-			return err
-		}
-	case *Value_ListValue:
-		b.EncodeVarint(6<<3 | proto.WireBytes)
-		if err := b.EncodeMessage(x.ListValue); err != nil {
-			return err
-		}
-	case nil:
-	default:
-		return fmt.Errorf("Value.Kind has unexpected type %T", x)
-	}
-	return nil
-}
-
-func _Value_OneofUnmarshaler(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error) {
-	m := msg.(*Value)
-	switch tag {
-	case 1: // kind.null_value
-		if wire != proto.WireVarint {
-			return true, proto.ErrInternalBadWireType
-		}
-		x, err := b.DecodeVarint()
-		m.Kind = &Value_NullValue{NullValue(x)}
-		return true, err
-	case 2: // kind.number_value
-		if wire != proto.WireFixed64 {
-			return true, proto.ErrInternalBadWireType
-		}
-		x, err := b.DecodeFixed64()
-		m.Kind = &Value_NumberValue{math.Float64frombits(x)}
-		return true, err
-	case 3: // kind.string_value
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		x, err := b.DecodeStringBytes()
-		m.Kind = &Value_StringValue{x}
-		return true, err
-	case 4: // kind.bool_value
-		if wire != proto.WireVarint {
-			return true, proto.ErrInternalBadWireType
-		}
-		x, err := b.DecodeVarint()
-		m.Kind = &Value_BoolValue{x != 0}
-		return true, err
-	case 5: // kind.struct_value
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		msg := new(Struct)
-		err := b.DecodeMessage(msg)
-		m.Kind = &Value_StructValue{msg}
-		return true, err
-	case 6: // kind.list_value
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		msg := new(ListValue)
-		err := b.DecodeMessage(msg)
-		m.Kind = &Value_ListValue{msg}
-		return true, err
-	default:
-		return false, nil
-	}
-}
-
-func _Value_OneofSizer(msg proto.Message) (n int) {
-	m := msg.(*Value)
-	// kind
-	switch x := m.Kind.(type) {
-	case *Value_NullValue:
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(x.NullValue))
-	case *Value_NumberValue:
-		n += 1 // tag and wire
-		n += 8
-	case *Value_StringValue:
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(len(x.StringValue)))
-		n += len(x.StringValue)
-	case *Value_BoolValue:
-		n += 1 // tag and wire
-		n += 1
-	case *Value_StructValue:
-		s := proto.Size(x.StructValue)
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(s))
-		n += s
-	case *Value_ListValue:
-		s := proto.Size(x.ListValue)
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(s))
-		n += s
-	case nil:
-	default:
-		panic(fmt.Sprintf("proto: unexpected type %T in oneof", x))
-	}
-	return n
-}
-
 // `ListValue` is a wrapper around a repeated field of values.
 //
 // The JSON representation for `ListValue` is JSON array.
@@ -378,17 +264,19 @@ func (m *ListValue) Reset()         { *m = ListValue{} }
 func (m *ListValue) String() string { return proto.CompactTextString(m) }
 func (*ListValue) ProtoMessage()    {}
 func (*ListValue) Descriptor() ([]byte, []int) {
-	return fileDescriptor_struct_3a5a94e0c7801b27, []int{2}
+	return fileDescriptor_df322afd6c9fb402, []int{2}
 }
+
 func (*ListValue) XXX_WellKnownType() string { return "ListValue" }
+
 func (m *ListValue) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ListValue.Unmarshal(m, b)
 }
 func (m *ListValue) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ListValue.Marshal(b, m, deterministic)
 }
-func (dst *ListValue) XXX_Merge(src proto.Message) {
+func (m *ListValue) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ListValue.Merge(dst, src)
+	xxx_messageInfo_ListValue.Merge(m, src)
 }
 func (m *ListValue) XXX_Size() int {
 	return xxx_messageInfo_ListValue.Size(m)
@@ -407,18 +295,16 @@ func (m *ListValue) GetValues() []*Value {
 }
 
 func init() {
+	proto.RegisterEnum("google.protobuf.NullValue", NullValue_name, NullValue_value)
 	proto.RegisterType((*Struct)(nil), "google.protobuf.Struct")
 	proto.RegisterMapType((map[string]*Value)(nil), "google.protobuf.Struct.FieldsEntry")
 	proto.RegisterType((*Value)(nil), "google.protobuf.Value")
 	proto.RegisterType((*ListValue)(nil), "google.protobuf.ListValue")
-	proto.RegisterEnum("google.protobuf.NullValue", NullValue_name, NullValue_value)
 }
 
-func init() {
+func init() { proto.RegisterFile("google/protobuf/struct.proto", fileDescriptor_df322afd6c9fb402) }
-	proto.RegisterFile("google/protobuf/struct.proto", fileDescriptor_struct_3a5a94e0c7801b27)
-}
 
-var fileDescriptor_struct_3a5a94e0c7801b27 = []byte{
+var fileDescriptor_df322afd6c9fb402 = []byte{
 	// 417 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x74, 0x92, 0x41, 0x8b, 0xd3, 0x40,
 	0x14, 0xc7, 0x3b, 0xc9, 0x36, 0x98, 0x17, 0x59, 0x97, 0x11, 0xb4, 0xac, 0xa2, 0xa1, 0x7b, 0x09,

vendor/github.com/golang/protobuf/ptypes/timestamp.go

@@ -111,11 +111,9 @@ func TimestampNow() *tspb.Timestamp {
 // TimestampProto converts the time.Time to a google.protobuf.Timestamp proto.
 // It returns an error if the resulting Timestamp is invalid.
 func TimestampProto(t time.Time) (*tspb.Timestamp, error) {
-	seconds := t.Unix()
-	nanos := int32(t.Sub(time.Unix(seconds, 0)))
 	ts := &tspb.Timestamp{
-		Seconds: seconds,
+		Seconds: t.Unix(),
-		Nanos:   nanos,
+		Nanos:   int32(t.Nanosecond()),
 	}
 	if err := validateTimestamp(ts); err != nil {
 		return nil, err

vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.pb.go

@@ -1,11 +1,13 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // source: google/protobuf/timestamp.proto
 
-package timestamp // import "github.com/golang/protobuf/ptypes/timestamp"
+package timestamp
 
-import proto "github.com/golang/protobuf/proto"
+import (
-import fmt "fmt"
+	fmt "fmt"
-import math "math"
+	proto "github.com/golang/protobuf/proto"
+	math "math"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
@@ -16,7 +18,7 @@ var _ = math.Inf
 // is compatible with the proto package it is being compiled against.
 // A compilation error at this line likely means your copy of the
 // proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
 // A Timestamp represents a point in time independent of any time zone
 // or calendar, represented as seconds and fractions of seconds at
@@ -81,7 +83,9 @@ const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
 // {hour}, {min}, and {sec} are zero-padded to two digits each. The fractional
 // seconds, which can go up to 9 digits (i.e. up to 1 nanosecond resolution),
 // are optional. The "Z" suffix indicates the timezone ("UTC"); the timezone
-// is required, though only UTC (as indicated by "Z") is presently supported.
+// is required. A proto3 JSON serializer should always use UTC (as indicated by
+// "Z") when printing the Timestamp type and a proto3 JSON parser should be
+// able to accept both UTC and other timezones (as indicated by an offset).
 //
 // For example, "2017-01-15T01:30:15.01Z" encodes 15.01 seconds past
 // 01:30 UTC on January 15, 2017.
@@ -92,8 +96,8 @@ const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
 // to this format using [`strftime`](https://docs.python.org/2/library/time.html#time.strftime)
 // with the time format spec '%Y-%m-%dT%H:%M:%S.%fZ'. Likewise, in Java, one
 // can use the Joda Time's [`ISODateTimeFormat.dateTime()`](
-// http://www.joda.org/joda-time/apidocs/org/joda/time/format/ISODateTimeFormat.html#dateTime--)
+// http://www.joda.org/joda-time/apidocs/org/joda/time/format/ISODateTimeFormat.html#dateTime--
-// to obtain a formatter capable of generating timestamps in this format.
+// ) to obtain a formatter capable of generating timestamps in this format.
 //
 //
 type Timestamp struct {
@@ -115,17 +119,19 @@ func (m *Timestamp) Reset()         { *m = Timestamp{} }
 func (m *Timestamp) String() string { return proto.CompactTextString(m) }
 func (*Timestamp) ProtoMessage()    {}
 func (*Timestamp) Descriptor() ([]byte, []int) {
-	return fileDescriptor_timestamp_b826e8e5fba671a8, []int{0}
+	return fileDescriptor_292007bbfe81227e, []int{0}
 }
+
 func (*Timestamp) XXX_WellKnownType() string { return "Timestamp" }
+
 func (m *Timestamp) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Timestamp.Unmarshal(m, b)
 }
 func (m *Timestamp) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Timestamp.Marshal(b, m, deterministic)
 }
-func (dst *Timestamp) XXX_Merge(src proto.Message) {
+func (m *Timestamp) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Timestamp.Merge(dst, src)
+	xxx_messageInfo_Timestamp.Merge(m, src)
 }
 func (m *Timestamp) XXX_Size() int {
 	return xxx_messageInfo_Timestamp.Size(m)
@@ -154,11 +160,9 @@ func init() {
 	proto.RegisterType((*Timestamp)(nil), "google.protobuf.Timestamp")
 }
 
-func init() {
+func init() { proto.RegisterFile("google/protobuf/timestamp.proto", fileDescriptor_292007bbfe81227e) }
-	proto.RegisterFile("google/protobuf/timestamp.proto", fileDescriptor_timestamp_b826e8e5fba671a8)
-}
 
-var fileDescriptor_timestamp_b826e8e5fba671a8 = []byte{
+var fileDescriptor_292007bbfe81227e = []byte{
 	// 191 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x92, 0x4f, 0xcf, 0xcf, 0x4f,
 	0xcf, 0x49, 0xd5, 0x2f, 0x28, 0xca, 0x2f, 0xc9, 0x4f, 0x2a, 0x4d, 0xd3, 0x2f, 0xc9, 0xcc, 0x4d,

vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.proto

@@ -103,7 +103,9 @@ option objc_class_prefix = "GPB";
 // {hour}, {min}, and {sec} are zero-padded to two digits each. The fractional
 // seconds, which can go up to 9 digits (i.e. up to 1 nanosecond resolution),
 // are optional. The "Z" suffix indicates the timezone ("UTC"); the timezone
-// is required, though only UTC (as indicated by "Z") is presently supported.
+// is required. A proto3 JSON serializer should always use UTC (as indicated by
+// "Z") when printing the Timestamp type and a proto3 JSON parser should be
+// able to accept both UTC and other timezones (as indicated by an offset).
 //
 // For example, "2017-01-15T01:30:15.01Z" encodes 15.01 seconds past
 // 01:30 UTC on January 15, 2017.
@@ -114,8 +116,8 @@ option objc_class_prefix = "GPB";
 // to this format using [`strftime`](https://docs.python.org/2/library/time.html#time.strftime)
 // with the time format spec '%Y-%m-%dT%H:%M:%S.%fZ'. Likewise, in Java, one
 // can use the Joda Time's [`ISODateTimeFormat.dateTime()`](
-// http://www.joda.org/joda-time/apidocs/org/joda/time/format/ISODateTimeFormat.html#dateTime--)
+// http://www.joda.org/joda-time/apidocs/org/joda/time/format/ISODateTimeFormat.html#dateTime--
-// to obtain a formatter capable of generating timestamps in this format.
+// ) to obtain a formatter capable of generating timestamps in this format.
 //
 //
 message Timestamp {

vendor/github.com/golang/protobuf/ptypes/wrappers/wrappers.pb.go

@@ -1,11 +1,13 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // source: google/protobuf/wrappers.proto
 
-package wrappers // import "github.com/golang/protobuf/ptypes/wrappers"
+package wrappers
 
-import proto "github.com/golang/protobuf/proto"
+import (
-import fmt "fmt"
+	fmt "fmt"
-import math "math"
+	proto "github.com/golang/protobuf/proto"
+	math "math"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
@@ -16,7 +18,7 @@ var _ = math.Inf
 // is compatible with the proto package it is being compiled against.
 // A compilation error at this line likely means your copy of the
 // proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
 // Wrapper message for `double`.
 //
@@ -33,17 +35,19 @@ func (m *DoubleValue) Reset()         { *m = DoubleValue{} }
 func (m *DoubleValue) String() string { return proto.CompactTextString(m) }
 func (*DoubleValue) ProtoMessage()    {}
 func (*DoubleValue) Descriptor() ([]byte, []int) {
-	return fileDescriptor_wrappers_16c7c35c009f3253, []int{0}
+	return fileDescriptor_5377b62bda767935, []int{0}
 }
+
 func (*DoubleValue) XXX_WellKnownType() string { return "DoubleValue" }
+
 func (m *DoubleValue) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_DoubleValue.Unmarshal(m, b)
 }
 func (m *DoubleValue) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_DoubleValue.Marshal(b, m, deterministic)
 }
-func (dst *DoubleValue) XXX_Merge(src proto.Message) {
+func (m *DoubleValue) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_DoubleValue.Merge(dst, src)
+	xxx_messageInfo_DoubleValue.Merge(m, src)
 }
 func (m *DoubleValue) XXX_Size() int {
 	return xxx_messageInfo_DoubleValue.Size(m)
@@ -76,17 +80,19 @@ func (m *FloatValue) Reset()         { *m = FloatValue{} }
 func (m *FloatValue) String() string { return proto.CompactTextString(m) }
 func (*FloatValue) ProtoMessage()    {}
 func (*FloatValue) Descriptor() ([]byte, []int) {
-	return fileDescriptor_wrappers_16c7c35c009f3253, []int{1}
+	return fileDescriptor_5377b62bda767935, []int{1}
 }
+
 func (*FloatValue) XXX_WellKnownType() string { return "FloatValue" }
+
 func (m *FloatValue) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_FloatValue.Unmarshal(m, b)
 }
 func (m *FloatValue) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_FloatValue.Marshal(b, m, deterministic)
 }
-func (dst *FloatValue) XXX_Merge(src proto.Message) {
+func (m *FloatValue) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_FloatValue.Merge(dst, src)
+	xxx_messageInfo_FloatValue.Merge(m, src)
 }
 func (m *FloatValue) XXX_Size() int {
 	return xxx_messageInfo_FloatValue.Size(m)
@@ -119,17 +125,19 @@ func (m *Int64Value) Reset()         { *m = Int64Value{} }
 func (m *Int64Value) String() string { return proto.CompactTextString(m) }
 func (*Int64Value) ProtoMessage()    {}
 func (*Int64Value) Descriptor() ([]byte, []int) {
-	return fileDescriptor_wrappers_16c7c35c009f3253, []int{2}
+	return fileDescriptor_5377b62bda767935, []int{2}
 }
+
 func (*Int64Value) XXX_WellKnownType() string { return "Int64Value" }
+
 func (m *Int64Value) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Int64Value.Unmarshal(m, b)
 }
 func (m *Int64Value) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Int64Value.Marshal(b, m, deterministic)
 }
-func (dst *Int64Value) XXX_Merge(src proto.Message) {
+func (m *Int64Value) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Int64Value.Merge(dst, src)
+	xxx_messageInfo_Int64Value.Merge(m, src)
 }
 func (m *Int64Value) XXX_Size() int {
 	return xxx_messageInfo_Int64Value.Size(m)
@@ -162,17 +170,19 @@ func (m *UInt64Value) Reset()         { *m = UInt64Value{} }
 func (m *UInt64Value) String() string { return proto.CompactTextString(m) }
 func (*UInt64Value) ProtoMessage()    {}
 func (*UInt64Value) Descriptor() ([]byte, []int) {
-	return fileDescriptor_wrappers_16c7c35c009f3253, []int{3}
+	return fileDescriptor_5377b62bda767935, []int{3}
 }
+
 func (*UInt64Value) XXX_WellKnownType() string { return "UInt64Value" }
+
 func (m *UInt64Value) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_UInt64Value.Unmarshal(m, b)
 }
 func (m *UInt64Value) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_UInt64Value.Marshal(b, m, deterministic)
 }
-func (dst *UInt64Value) XXX_Merge(src proto.Message) {
+func (m *UInt64Value) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_UInt64Value.Merge(dst, src)
+	xxx_messageInfo_UInt64Value.Merge(m, src)
 }
 func (m *UInt64Value) XXX_Size() int {
 	return xxx_messageInfo_UInt64Value.Size(m)
@@ -205,17 +215,19 @@ func (m *Int32Value) Reset()         { *m = Int32Value{} }
 func (m *Int32Value) String() string { return proto.CompactTextString(m) }
 func (*Int32Value) ProtoMessage()    {}
 func (*Int32Value) Descriptor() ([]byte, []int) {
-	return fileDescriptor_wrappers_16c7c35c009f3253, []int{4}
+	return fileDescriptor_5377b62bda767935, []int{4}
 }
+
 func (*Int32Value) XXX_WellKnownType() string { return "Int32Value" }
+
 func (m *Int32Value) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Int32Value.Unmarshal(m, b)
 }
 func (m *Int32Value) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Int32Value.Marshal(b, m, deterministic)
 }
-func (dst *Int32Value) XXX_Merge(src proto.Message) {
+func (m *Int32Value) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Int32Value.Merge(dst, src)
+	xxx_messageInfo_Int32Value.Merge(m, src)
 }
 func (m *Int32Value) XXX_Size() int {
 	return xxx_messageInfo_Int32Value.Size(m)
@@ -248,17 +260,19 @@ func (m *UInt32Value) Reset()         { *m = UInt32Value{} }
 func (m *UInt32Value) String() string { return proto.CompactTextString(m) }
 func (*UInt32Value) ProtoMessage()    {}
 func (*UInt32Value) Descriptor() ([]byte, []int) {
-	return fileDescriptor_wrappers_16c7c35c009f3253, []int{5}
+	return fileDescriptor_5377b62bda767935, []int{5}
 }
+
 func (*UInt32Value) XXX_WellKnownType() string { return "UInt32Value" }
+
 func (m *UInt32Value) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_UInt32Value.Unmarshal(m, b)
 }
 func (m *UInt32Value) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_UInt32Value.Marshal(b, m, deterministic)
 }
-func (dst *UInt32Value) XXX_Merge(src proto.Message) {
+func (m *UInt32Value) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_UInt32Value.Merge(dst, src)
+	xxx_messageInfo_UInt32Value.Merge(m, src)
 }
 func (m *UInt32Value) XXX_Size() int {
 	return xxx_messageInfo_UInt32Value.Size(m)
@@ -291,17 +305,19 @@ func (m *BoolValue) Reset()         { *m = BoolValue{} }
 func (m *BoolValue) String() string { return proto.CompactTextString(m) }
 func (*BoolValue) ProtoMessage()    {}
 func (*BoolValue) Descriptor() ([]byte, []int) {
-	return fileDescriptor_wrappers_16c7c35c009f3253, []int{6}
+	return fileDescriptor_5377b62bda767935, []int{6}
 }
+
 func (*BoolValue) XXX_WellKnownType() string { return "BoolValue" }
+
 func (m *BoolValue) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_BoolValue.Unmarshal(m, b)
 }
 func (m *BoolValue) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_BoolValue.Marshal(b, m, deterministic)
 }
-func (dst *BoolValue) XXX_Merge(src proto.Message) {
+func (m *BoolValue) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_BoolValue.Merge(dst, src)
+	xxx_messageInfo_BoolValue.Merge(m, src)
 }
 func (m *BoolValue) XXX_Size() int {
 	return xxx_messageInfo_BoolValue.Size(m)
@@ -334,17 +350,19 @@ func (m *StringValue) Reset()         { *m = StringValue{} }
 func (m *StringValue) String() string { return proto.CompactTextString(m) }
 func (*StringValue) ProtoMessage()    {}
 func (*StringValue) Descriptor() ([]byte, []int) {
-	return fileDescriptor_wrappers_16c7c35c009f3253, []int{7}
+	return fileDescriptor_5377b62bda767935, []int{7}
 }
+
 func (*StringValue) XXX_WellKnownType() string { return "StringValue" }
+
 func (m *StringValue) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_StringValue.Unmarshal(m, b)
 }
 func (m *StringValue) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_StringValue.Marshal(b, m, deterministic)
 }
-func (dst *StringValue) XXX_Merge(src proto.Message) {
+func (m *StringValue) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_StringValue.Merge(dst, src)
+	xxx_messageInfo_StringValue.Merge(m, src)
 }
 func (m *StringValue) XXX_Size() int {
 	return xxx_messageInfo_StringValue.Size(m)
@@ -377,17 +395,19 @@ func (m *BytesValue) Reset()         { *m = BytesValue{} }
 func (m *BytesValue) String() string { return proto.CompactTextString(m) }
 func (*BytesValue) ProtoMessage()    {}
 func (*BytesValue) Descriptor() ([]byte, []int) {
-	return fileDescriptor_wrappers_16c7c35c009f3253, []int{8}
+	return fileDescriptor_5377b62bda767935, []int{8}
 }
+
 func (*BytesValue) XXX_WellKnownType() string { return "BytesValue" }
+
 func (m *BytesValue) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_BytesValue.Unmarshal(m, b)
 }
 func (m *BytesValue) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_BytesValue.Marshal(b, m, deterministic)
 }
-func (dst *BytesValue) XXX_Merge(src proto.Message) {
+func (m *BytesValue) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_BytesValue.Merge(dst, src)
+	xxx_messageInfo_BytesValue.Merge(m, src)
 }
 func (m *BytesValue) XXX_Size() int {
 	return xxx_messageInfo_BytesValue.Size(m)
@@ -417,11 +437,9 @@ func init() {
 	proto.RegisterType((*BytesValue)(nil), "google.protobuf.BytesValue")
 }
 
-func init() {
+func init() { proto.RegisterFile("google/protobuf/wrappers.proto", fileDescriptor_5377b62bda767935) }
-	proto.RegisterFile("google/protobuf/wrappers.proto", fileDescriptor_wrappers_16c7c35c009f3253)
-}
 
-var fileDescriptor_wrappers_16c7c35c009f3253 = []byte{
+var fileDescriptor_5377b62bda767935 = []byte{
 	// 259 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x92, 0x4b, 0xcf, 0xcf, 0x4f,
 	0xcf, 0x49, 0xd5, 0x2f, 0x28, 0xca, 0x2f, 0xc9, 0x4f, 0x2a, 0x4d, 0xd3, 0x2f, 0x2f, 0x4a, 0x2c,

vendor/github.com/grpc-ecosystem/grpc-gateway/internal/stream_chunk.pb.go

@@ -36,7 +36,7 @@ func (m *StreamError) Reset()         { *m = StreamError{} }
 func (m *StreamError) String() string { return proto.CompactTextString(m) }
 func (*StreamError) ProtoMessage()    {}
 func (*StreamError) Descriptor() ([]byte, []int) {
-	return fileDescriptor_stream_chunk_cac6867f460b29a5, []int{0}
+	return fileDescriptor_stream_chunk_a2afb657504565d7, []int{0}
 }
 func (m *StreamError) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_StreamError.Unmarshal(m, b)
@@ -96,10 +96,10 @@ func init() {
 }
 
 func init() {
-	proto.RegisterFile("internal/stream_chunk.proto", fileDescriptor_stream_chunk_cac6867f460b29a5)
+	proto.RegisterFile("internal/stream_chunk.proto", fileDescriptor_stream_chunk_a2afb657504565d7)
 }
 
-var fileDescriptor_stream_chunk_cac6867f460b29a5 = []byte{
+var fileDescriptor_stream_chunk_a2afb657504565d7 = []byte{
 	// 223 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x34, 0x90, 0x41, 0x4e, 0xc3, 0x30,
 	0x10, 0x45, 0x15, 0x4a, 0x69, 0x3b, 0xd9, 0x45, 0x5d, 0x18, 0xba, 0x20, 0x62, 0x95, 0x95, 0x23,

vendor/github.com/grpc-ecosystem/grpc-gateway/runtime/errors.go

@@ -65,7 +65,7 @@ var (
 )
 
 type errorBody struct {
-	Error   string     `protobuf:"bytes,1,name=error" json:"error"`
+	Error string `protobuf:"bytes,1,name=error" json:"error"`
 	// This is to make the error more compatible with users that expect errors to be Status objects:
 	// https://github.com/grpc/grpc/blob/master/src/proto/grpc/status/status.proto
 	// It should be the exact same message as the Error field.
@@ -88,14 +88,23 @@ func (*errorBody) ProtoMessage()    {}
 func DefaultHTTPError(ctx context.Context, mux *ServeMux, marshaler Marshaler, w http.ResponseWriter, _ *http.Request, err error) {
 	const fallback = `{"error": "failed to marshal error message"}`
 
-	w.Header().Del("Trailer")
-	w.Header().Set("Content-Type", marshaler.ContentType())
-
 	s, ok := status.FromError(err)
 	if !ok {
 		s = status.New(codes.Unknown, err.Error())
 	}
 
+	w.Header().Del("Trailer")
+
+	contentType := marshaler.ContentType()
+	// Check marshaler on run time in order to keep backwards compatability
+	// An interface param needs to be added to the ContentType() function on
+	// the Marshal interface to be able to remove this check
+	if httpBodyMarshaler, ok := marshaler.(*HTTPBodyMarshaler); ok {
+		pb := s.Proto()
+		contentType = httpBodyMarshaler.ContentTypeFromMessage(pb)
+	}
+	w.Header().Set("Content-Type", contentType)
+
 	body := &errorBody{
 		Error:   s.Message(),
 		Message: s.Message(),

vendor/github.com/grpc-ecosystem/grpc-gateway/runtime/handler.go

@@ -121,7 +121,16 @@ func ForwardResponseMessage(ctx context.Context, mux *ServeMux, marshaler Marsha
 
 	handleForwardResponseServerMetadata(w, mux, md)
 	handleForwardResponseTrailerHeader(w, md)
-	w.Header().Set("Content-Type", marshaler.ContentType())
+
+	contentType := marshaler.ContentType()
+	// Check marshaler on run time in order to keep backwards compatability
+	// An interface param needs to be added to the ContentType() function on 
+	// the Marshal interface to be able to remove this check
+	if httpBodyMarshaler, ok := marshaler.(*HTTPBodyMarshaler); ok {
+		contentType = httpBodyMarshaler.ContentTypeFromMessage(resp)
+	}
+	w.Header().Set("Content-Type", contentType)
+
 	if err := handleForwardResponseOptions(ctx, w, resp, opts); err != nil {
 		HTTPError(ctx, mux, marshaler, w, req, err)
 		return

vendor/github.com/grpc-ecosystem/grpc-gateway/runtime/marshal_httpbodyproto.go

@@ -0,0 +1,43 @@
+package runtime
+
+import (
+	"google.golang.org/genproto/googleapis/api/httpbody"
+)
+
+// SetHTTPBodyMarshaler overwrite the default marshaler with the HTTPBodyMarshaler
+func SetHTTPBodyMarshaler(serveMux *ServeMux) {
+	serveMux.marshalers.mimeMap[MIMEWildcard] = &HTTPBodyMarshaler{
+		Marshaler: &JSONPb{OrigName: true},
+	}
+}
+
+// HTTPBodyMarshaler is a Marshaler which supports marshaling of a
+// google.api.HttpBody message as the full response body if it is
+// the actual message used as the response. If not, then this will
+// simply fallback to the Marshaler specified as its default Marshaler.
+type HTTPBodyMarshaler struct {
+	Marshaler
+}
+
+// ContentType implementation to keep backwards compatability with marshal interface
+func (h *HTTPBodyMarshaler) ContentType() string {
+	return h.ContentTypeFromMessage(nil)
+}
+
+// ContentTypeFromMessage in case v is a google.api.HttpBody message it returns
+// its specified content type otherwise fall back to the default Marshaler.
+func (h *HTTPBodyMarshaler) ContentTypeFromMessage(v interface{}) string {
+	if httpBody, ok := v.(*httpbody.HttpBody); ok {
+		return httpBody.GetContentType()
+	}
+	return h.Marshaler.ContentType()
+}
+
+// Marshal marshals "v" by returning the body bytes if v is a
+// google.api.HttpBody message, otherwise it falls back to the default Marshaler.
+func (h *HTTPBodyMarshaler) Marshal(v interface{}) ([]byte, error) {
+	if httpBody, ok := v.(*httpbody.HttpBody); ok {
+		return httpBody.Data, nil
+	}
+	return h.Marshaler.Marshal(v)
+}

vendor/github.com/grpc-ecosystem/grpc-gateway/runtime/proto_errors.go

@@ -26,14 +26,23 @@ func DefaultHTTPProtoErrorHandler(ctx context.Context, mux *ServeMux, marshaler
 	// return Internal when Marshal failed
 	const fallback = `{"code": 13, "message": "failed to marshal error message"}`
 
-	w.Header().Del("Trailer")
-	w.Header().Set("Content-Type", marshaler.ContentType())
-
 	s, ok := status.FromError(err)
 	if !ok {
 		s = status.New(codes.Unknown, err.Error())
 	}
 
+	w.Header().Del("Trailer")
+
+	contentType := marshaler.ContentType()
+	// Check marshaler on run time in order to keep backwards compatability
+	// An interface param needs to be added to the ContentType() function on 
+	// the Marshal interface to be able to remove this check
+	if httpBodyMarshaler, ok := marshaler.(*HTTPBodyMarshaler); ok {
+		pb := s.Proto()
+		contentType = httpBodyMarshaler.ContentTypeFromMessage(pb)
+	}
+	w.Header().Set("Content-Type", contentType)
+
 	buf, merr := marshaler.Marshal(s.Proto())
 	if merr != nil {
 		grpclog.Infof("Failed to marshal error message %q: %v", s.Proto(), merr)

vendor/github.com/hashicorp/golang-lru/LICENSE

@@ -0,0 +1,362 @@
+Mozilla Public License, version 2.0
+
+1. Definitions
+
+1.1. "Contributor"
+
+     means each individual or legal entity that creates, contributes to the
+     creation of, or owns Covered Software.
+
+1.2. "Contributor Version"
+
+     means the combination of the Contributions of others (if any) used by a
+     Contributor and that particular Contributor's Contribution.
+
+1.3. "Contribution"
+
+     means Covered Software of a particular Contributor.
+
+1.4. "Covered Software"
+
+     means Source Code Form to which the initial Contributor has attached the
+     notice in Exhibit A, the Executable Form of such Source Code Form, and
+     Modifications of such Source Code Form, in each case including portions
+     thereof.
+
+1.5. "Incompatible With Secondary Licenses"
+     means
+
+     a. that the initial Contributor has attached the notice described in
+        Exhibit B to the Covered Software; or
+
+     b. that the Covered Software was made available under the terms of
+        version 1.1 or earlier of the License, but not also under the terms of
+        a Secondary License.
+
+1.6. "Executable Form"
+
+     means any form of the work other than Source Code Form.
+
+1.7. "Larger Work"
+
+     means a work that combines Covered Software with other material, in a
+     separate file or files, that is not Covered Software.
+
+1.8. "License"
+
+     means this document.
+
+1.9. "Licensable"
+
+     means having the right to grant, to the maximum extent possible, whether
+     at the time of the initial grant or subsequently, any and all of the
+     rights conveyed by this License.
+
+1.10. "Modifications"
+
+     means any of the following:
+
+     a. any file in Source Code Form that results from an addition to,
+        deletion from, or modification of the contents of Covered Software; or
+
+     b. any new file in Source Code Form that contains any Covered Software.
+
+1.11. "Patent Claims" of a Contributor
+
+      means any patent claim(s), including without limitation, method,
+      process, and apparatus claims, in any patent Licensable by such
+      Contributor that would be infringed, but for the grant of the License,
+      by the making, using, selling, offering for sale, having made, import,
+      or transfer of either its Contributions or its Contributor Version.
+
+1.12. "Secondary License"
+
+      means either the GNU General Public License, Version 2.0, the GNU Lesser
+      General Public License, Version 2.1, the GNU Affero General Public
+      License, Version 3.0, or any later versions of those licenses.
+
+1.13. "Source Code Form"
+
+      means the form of the work preferred for making modifications.
+
+1.14. "You" (or "Your")
+
+      means an individual or a legal entity exercising rights under this
+      License. For legal entities, "You" includes any entity that controls, is
+      controlled by, or is under common control with You. For purposes of this
+      definition, "control" means (a) the power, direct or indirect, to cause
+      the direction or management of such entity, whether by contract or
+      otherwise, or (b) ownership of more than fifty percent (50%) of the
+      outstanding shares or beneficial ownership of such entity.
+
+
+2. License Grants and Conditions
+
+2.1. Grants
+
+     Each Contributor hereby grants You a world-wide, royalty-free,
+     non-exclusive license:
+
+     a. under intellectual property rights (other than patent or trademark)
+        Licensable by such Contributor to use, reproduce, make available,
+        modify, display, perform, distribute, and otherwise exploit its
+        Contributions, either on an unmodified basis, with Modifications, or
+        as part of a Larger Work; and
+
+     b. under Patent Claims of such Contributor to make, use, sell, offer for
+        sale, have made, import, and otherwise transfer either its
+        Contributions or its Contributor Version.
+
+2.2. Effective Date
+
+     The licenses granted in Section 2.1 with respect to any Contribution
+     become effective for each Contribution on the date the Contributor first
+     distributes such Contribution.
+
+2.3. Limitations on Grant Scope
+
+     The licenses granted in this Section 2 are the only rights granted under
+     this License. No additional rights or licenses will be implied from the
+     distribution or licensing of Covered Software under this License.
+     Notwithstanding Section 2.1(b) above, no patent license is granted by a
+     Contributor:
+
+     a. for any code that a Contributor has removed from Covered Software; or
+
+     b. for infringements caused by: (i) Your and any other third party's
+        modifications of Covered Software, or (ii) the combination of its
+        Contributions with other software (except as part of its Contributor
+        Version); or
+
+     c. under Patent Claims infringed by Covered Software in the absence of
+        its Contributions.
+
+     This License does not grant any rights in the trademarks, service marks,
+     or logos of any Contributor (except as may be necessary to comply with
+     the notice requirements in Section 3.4).
+
+2.4. Subsequent Licenses
+
+     No Contributor makes additional grants as a result of Your choice to
+     distribute the Covered Software under a subsequent version of this
+     License (see Section 10.2) or under the terms of a Secondary License (if
+     permitted under the terms of Section 3.3).
+
+2.5. Representation
+
+     Each Contributor represents that the Contributor believes its
+     Contributions are its original creation(s) or it has sufficient rights to
+     grant the rights to its Contributions conveyed by this License.
+
+2.6. Fair Use
+
+     This License is not intended to limit any rights You have under
+     applicable copyright doctrines of fair use, fair dealing, or other
+     equivalents.
+
+2.7. Conditions
+
+     Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted in
+     Section 2.1.
+
+
+3. Responsibilities
+
+3.1. Distribution of Source Form
+
+     All distribution of Covered Software in Source Code Form, including any
+     Modifications that You create or to which You contribute, must be under
+     the terms of this License. You must inform recipients that the Source
+     Code Form of the Covered Software is governed by the terms of this
+     License, and how they can obtain a copy of this License. You may not
+     attempt to alter or restrict the recipients' rights in the Source Code
+     Form.
+
+3.2. Distribution of Executable Form
+
+     If You distribute Covered Software in Executable Form then:
+
+     a. such Covered Software must also be made available in Source Code Form,
+        as described in Section 3.1, and You must inform recipients of the
+        Executable Form how they can obtain a copy of such Source Code Form by
+        reasonable means in a timely manner, at a charge no more than the cost
+        of distribution to the recipient; and
+
+     b. You may distribute such Executable Form under the terms of this
+        License, or sublicense it under different terms, provided that the
+        license for the Executable Form does not attempt to limit or alter the
+        recipients' rights in the Source Code Form under this License.
+
+3.3. Distribution of a Larger Work
+
+     You may create and distribute a Larger Work under terms of Your choice,
+     provided that You also comply with the requirements of this License for
+     the Covered Software. If the Larger Work is a combination of Covered
+     Software with a work governed by one or more Secondary Licenses, and the
+     Covered Software is not Incompatible With Secondary Licenses, this
+     License permits You to additionally distribute such Covered Software
+     under the terms of such Secondary License(s), so that the recipient of
+     the Larger Work may, at their option, further distribute the Covered
+     Software under the terms of either this License or such Secondary
+     License(s).
+
+3.4. Notices
+
+     You may not remove or alter the substance of any license notices
+     (including copyright notices, patent notices, disclaimers of warranty, or
+     limitations of liability) contained within the Source Code Form of the
+     Covered Software, except that You may alter any license notices to the
+     extent required to remedy known factual inaccuracies.
+
+3.5. Application of Additional Terms
+
+     You may choose to offer, and to charge a fee for, warranty, support,
+     indemnity or liability obligations to one or more recipients of Covered
+     Software. However, You may do so only on Your own behalf, and not on
+     behalf of any Contributor. You must make it absolutely clear that any
+     such warranty, support, indemnity, or liability obligation is offered by
+     You alone, and You hereby agree to indemnify every Contributor for any
+     liability incurred by such Contributor as a result of warranty, support,
+     indemnity or liability terms You offer. You may include additional
+     disclaimers of warranty and limitations of liability specific to any
+     jurisdiction.
+
+4. Inability to Comply Due to Statute or Regulation
+
+   If it is impossible for You to comply with any of the terms of this License
+   with respect to some or all of the Covered Software due to statute,
+   judicial order, or regulation then You must: (a) comply with the terms of
+   this License to the maximum extent possible; and (b) describe the
+   limitations and the code they affect. Such description must be placed in a
+   text file included with all distributions of the Covered Software under
+   this License. Except to the extent prohibited by statute or regulation,
+   such description must be sufficiently detailed for a recipient of ordinary
+   skill to be able to understand it.
+
+5. Termination
+
+5.1. The rights granted under this License will terminate automatically if You
+     fail to comply with any of its terms. However, if You become compliant,
+     then the rights granted under this License from a particular Contributor
+     are reinstated (a) provisionally, unless and until such Contributor
+     explicitly and finally terminates Your grants, and (b) on an ongoing
+     basis, if such Contributor fails to notify You of the non-compliance by
+     some reasonable means prior to 60 days after You have come back into
+     compliance. Moreover, Your grants from a particular Contributor are
+     reinstated on an ongoing basis if such Contributor notifies You of the
+     non-compliance by some reasonable means, this is the first time You have
+     received notice of non-compliance with this License from such
+     Contributor, and You become compliant prior to 30 days after Your receipt
+     of the notice.
+
+5.2. If You initiate litigation against any entity by asserting a patent
+     infringement claim (excluding declaratory judgment actions,
+     counter-claims, and cross-claims) alleging that a Contributor Version
+     directly or indirectly infringes any patent, then the rights granted to
+     You by any and all Contributors for the Covered Software under Section
+     2.1 of this License shall terminate.
+
+5.3. In the event of termination under Sections 5.1 or 5.2 above, all end user
+     license agreements (excluding distributors and resellers) which have been
+     validly granted by You or Your distributors under this License prior to
+     termination shall survive termination.
+
+6. Disclaimer of Warranty
+
+   Covered Software is provided under this License on an "as is" basis,
+   without warranty of any kind, either expressed, implied, or statutory,
+   including, without limitation, warranties that the Covered Software is free
+   of defects, merchantable, fit for a particular purpose or non-infringing.
+   The entire risk as to the quality and performance of the Covered Software
+   is with You. Should any Covered Software prove defective in any respect,
+   You (not any Contributor) assume the cost of any necessary servicing,
+   repair, or correction. This disclaimer of warranty constitutes an essential
+   part of this License. No use of  any Covered Software is authorized under
+   this License except under this disclaimer.
+
+7. Limitation of Liability
+
+   Under no circumstances and under no legal theory, whether tort (including
+   negligence), contract, or otherwise, shall any Contributor, or anyone who
+   distributes Covered Software as permitted above, be liable to You for any
+   direct, indirect, special, incidental, or consequential damages of any
+   character including, without limitation, damages for lost profits, loss of
+   goodwill, work stoppage, computer failure or malfunction, or any and all
+   other commercial damages or losses, even if such party shall have been
+   informed of the possibility of such damages. This limitation of liability
+   shall not apply to liability for death or personal injury resulting from
+   such party's negligence to the extent applicable law prohibits such
+   limitation. Some jurisdictions do not allow the exclusion or limitation of
+   incidental or consequential damages, so this exclusion and limitation may
+   not apply to You.
+
+8. Litigation
+
+   Any litigation relating to this License may be brought only in the courts
+   of a jurisdiction where the defendant maintains its principal place of
+   business and such litigation shall be governed by laws of that
+   jurisdiction, without reference to its conflict-of-law provisions. Nothing
+   in this Section shall prevent a party's ability to bring cross-claims or
+   counter-claims.
+
+9. Miscellaneous
+
+   This License represents the complete agreement concerning the subject
+   matter hereof. If any provision of this License is held to be
+   unenforceable, such provision shall be reformed only to the extent
+   necessary to make it enforceable. Any law or regulation which provides that
+   the language of a contract shall be construed against the drafter shall not
+   be used to construe this License against a Contributor.
+
+
+10. Versions of the License
+
+10.1. New Versions
+
+      Mozilla Foundation is the license steward. Except as provided in Section
+      10.3, no one other than the license steward has the right to modify or
+      publish new versions of this License. Each version will be given a
+      distinguishing version number.
+
+10.2. Effect of New Versions
+
+      You may distribute the Covered Software under the terms of the version
+      of the License under which You originally received the Covered Software,
+      or under the terms of any subsequent version published by the license
+      steward.
+
+10.3. Modified Versions
+
+      If you create software not governed by this License, and you want to
+      create a new license for such software, you may create and use a
+      modified version of this License if you rename the license and remove
+      any references to the name of the license steward (except to note that
+      such modified license differs from this License).
+
+10.4. Distributing Source Code Form that is Incompatible With Secondary
+      Licenses If You choose to distribute Source Code Form that is
+      Incompatible With Secondary Licenses under the terms of this version of
+      the License, the notice described in Exhibit B of this License must be
+      attached.
+
+Exhibit A - Source Code Form License Notice
+
+      This Source Code Form is subject to the
+      terms of the Mozilla Public License, v.
+      2.0. If a copy of the MPL was not
+      distributed with this file, You can
+      obtain one at
+      http://mozilla.org/MPL/2.0/.
+
+If it is not possible or desirable to put the notice in a particular file,
+then You may include the notice in a location (such as a LICENSE file in a
+relevant directory) where a recipient would be likely to look for such a
+notice.
+
+You may add additional accurate notices of copyright ownership.
+
+Exhibit B - "Incompatible With Secondary Licenses" Notice
+
+      This Source Code Form is "Incompatible
+      With Secondary Licenses", as defined by
+      the Mozilla Public License, v. 2.0.

vendor/github.com/hashicorp/golang-lru/simplelru/lru.go

@@ -0,0 +1,161 @@
+package simplelru
+
+import (
+	"container/list"
+	"errors"
+)
+
+// EvictCallback is used to get a callback when a cache entry is evicted
+type EvictCallback func(key interface{}, value interface{})
+
+// LRU implements a non-thread safe fixed size LRU cache
+type LRU struct {
+	size      int
+	evictList *list.List
+	items     map[interface{}]*list.Element
+	onEvict   EvictCallback
+}
+
+// entry is used to hold a value in the evictList
+type entry struct {
+	key   interface{}
+	value interface{}
+}
+
+// NewLRU constructs an LRU of the given size
+func NewLRU(size int, onEvict EvictCallback) (*LRU, error) {
+	if size <= 0 {
+		return nil, errors.New("Must provide a positive size")
+	}
+	c := &LRU{
+		size:      size,
+		evictList: list.New(),
+		items:     make(map[interface{}]*list.Element),
+		onEvict:   onEvict,
+	}
+	return c, nil
+}
+
+// Purge is used to completely clear the cache.
+func (c *LRU) Purge() {
+	for k, v := range c.items {
+		if c.onEvict != nil {
+			c.onEvict(k, v.Value.(*entry).value)
+		}
+		delete(c.items, k)
+	}
+	c.evictList.Init()
+}
+
+// Add adds a value to the cache.  Returns true if an eviction occurred.
+func (c *LRU) Add(key, value interface{}) (evicted bool) {
+	// Check for existing item
+	if ent, ok := c.items[key]; ok {
+		c.evictList.MoveToFront(ent)
+		ent.Value.(*entry).value = value
+		return false
+	}
+
+	// Add new item
+	ent := &entry{key, value}
+	entry := c.evictList.PushFront(ent)
+	c.items[key] = entry
+
+	evict := c.evictList.Len() > c.size
+	// Verify size not exceeded
+	if evict {
+		c.removeOldest()
+	}
+	return evict
+}
+
+// Get looks up a key's value from the cache.
+func (c *LRU) Get(key interface{}) (value interface{}, ok bool) {
+	if ent, ok := c.items[key]; ok {
+		c.evictList.MoveToFront(ent)
+		return ent.Value.(*entry).value, true
+	}
+	return
+}
+
+// Contains checks if a key is in the cache, without updating the recent-ness
+// or deleting it for being stale.
+func (c *LRU) Contains(key interface{}) (ok bool) {
+	_, ok = c.items[key]
+	return ok
+}
+
+// Peek returns the key value (or undefined if not found) without updating
+// the "recently used"-ness of the key.
+func (c *LRU) Peek(key interface{}) (value interface{}, ok bool) {
+	var ent *list.Element
+	if ent, ok = c.items[key]; ok {
+		return ent.Value.(*entry).value, true
+	}
+	return nil, ok
+}
+
+// Remove removes the provided key from the cache, returning if the
+// key was contained.
+func (c *LRU) Remove(key interface{}) (present bool) {
+	if ent, ok := c.items[key]; ok {
+		c.removeElement(ent)
+		return true
+	}
+	return false
+}
+
+// RemoveOldest removes the oldest item from the cache.
+func (c *LRU) RemoveOldest() (key interface{}, value interface{}, ok bool) {
+	ent := c.evictList.Back()
+	if ent != nil {
+		c.removeElement(ent)
+		kv := ent.Value.(*entry)
+		return kv.key, kv.value, true
+	}
+	return nil, nil, false
+}
+
+// GetOldest returns the oldest entry
+func (c *LRU) GetOldest() (key interface{}, value interface{}, ok bool) {
+	ent := c.evictList.Back()
+	if ent != nil {
+		kv := ent.Value.(*entry)
+		return kv.key, kv.value, true
+	}
+	return nil, nil, false
+}
+
+// Keys returns a slice of the keys in the cache, from oldest to newest.
+func (c *LRU) Keys() []interface{} {
+	keys := make([]interface{}, len(c.items))
+	i := 0
+	for ent := c.evictList.Back(); ent != nil; ent = ent.Prev() {
+		keys[i] = ent.Value.(*entry).key
+		i++
+	}
+	return keys
+}
+
+// Len returns the number of items in the cache.
+func (c *LRU) Len() int {
+	return c.evictList.Len()
+}
+
+// removeOldest removes the oldest item from the cache.
+func (c *LRU) removeOldest() {
+	ent := c.evictList.Back()
+	if ent != nil {
+		c.removeElement(ent)
+	}
+}
+
+// removeElement is used to remove a given list element from the cache
+func (c *LRU) removeElement(e *list.Element) {
+	c.evictList.Remove(e)
+	kv := e.Value.(*entry)
+	delete(c.items, kv.key)
+	if c.onEvict != nil {
+		c.onEvict(kv.key, kv.value)
+	}
+}

vendor/github.com/hashicorp/golang-lru/simplelru/lru_interface.go

@@ -0,0 +1,36 @@
+package simplelru
+
+// LRUCache is the interface for simple LRU cache.
+type LRUCache interface {
+	// Adds a value to the cache, returns true if an eviction occurred and
+	// updates the "recently used"-ness of the key.
+	Add(key, value interface{}) bool
+
+	// Returns key's value from the cache and
+	// updates the "recently used"-ness of the key. #value, isFound
+	Get(key interface{}) (value interface{}, ok bool)
+
+	// Check if a key exsists in cache without updating the recent-ness.
+	Contains(key interface{}) (ok bool)
+
+	// Returns key's value without updating the "recently used"-ness of the key.
+	Peek(key interface{}) (value interface{}, ok bool)
+
+	// Removes a key from the cache.
+	Remove(key interface{}) bool
+
+	// Removes the oldest entry from cache.
+	RemoveOldest() (interface{}, interface{}, bool)
+
+	// Returns the oldest entry from the cache. #key, value, isFound
+	GetOldest() (interface{}, interface{}, bool)
+
+	// Returns a slice of the keys in the cache, from oldest to newest.
+	Keys() []interface{}
+
+	// Returns the number of items in the cache.
+	Len() int
+
+	// Clear all cache entries
+	Purge()
+}

vendor/github.com/ncw/swift/auth.go

@@ -6,6 +6,7 @@ import (
 	"net/http"
 	"net/url"
 	"strings"
+	"time"
 )
 
 // Auth defines the operations needed to authenticate with swift
@@ -25,6 +26,11 @@ type Authenticator interface {
 	CdnUrl() string
 }
 
+// Expireser is an optional interface to read the expiration time of the token
+type Expireser interface {
+	Expires() time.Time
+}
+
 type CustomEndpointAuthenticator interface {
 	StorageUrlForEndpoint(endpointType EndpointType) string
 }
@@ -240,6 +246,15 @@ func (auth *v2Auth) Token() string {
 	return auth.Auth.Access.Token.Id
 }
 
+// v2 Authentication - read expires
+func (auth *v2Auth) Expires() time.Time {
+	t, err := time.Parse(time.RFC3339, auth.Auth.Access.Token.Expires)
+	if err != nil {
+		return time.Time{} // return Zero if not parsed
+	}
+	return t
+}
+
 // v2 Authentication - read cdn url
 func (auth *v2Auth) CdnUrl() string {
 	return auth.endpointUrl("rax:object-cdn", EndpointTypePublic)

vendor/github.com/ncw/swift/auth_v3.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"net/http"
 	"strings"
+	"time"
 )
 
 const (
@@ -76,9 +77,10 @@ type v3AuthApplicationCredential struct {
 // V3 Authentication response
 type v3AuthResponse struct {
 	Token struct {
-		Expires_At, Issued_At string
+		ExpiresAt string `json:"expires_at"`
-		Methods               []string
+		IssuedAt  string `json:"issued_at"`
-		Roles                 []struct {
+		Methods   []string
+		Roles     []struct {
 			Id, Name string
 			Links    struct {
 				Self string
@@ -285,6 +287,14 @@ func (auth *v3Auth) Token() string {
 	return auth.Headers.Get("X-Subject-Token")
 }
 
+func (auth *v3Auth) Expires() time.Time {
+	t, err := time.Parse(time.RFC3339, auth.Auth.Token.ExpiresAt)
+	if err != nil {
+		return time.Time{} // return Zero if not parsed
+	}
+	return t
+}
+
 func (auth *v3Auth) CdnUrl() string {
 	return ""
 }

vendor/github.com/ncw/swift/compatibility_1_6.go

@@ -14,7 +14,9 @@ func SetExpectContinueTimeout(tr *http.Transport, t time.Duration) {
 }
 
 func AddExpectAndTransferEncoding(req *http.Request, hasContentLength bool) {
-	req.Header.Add("Expect", "100-continue")
+	if req.Body != nil {
+		req.Header.Add("Expect", "100-continue")
+	}
 	if !hasContentLength {
 		req.TransferEncoding = []string{"chunked"}
 	}

vendor/github.com/ncw/swift/swift.go

@@ -122,6 +122,7 @@ type Connection struct {
 	// These are filled in after Authenticate is called as are the defaults for above
 	StorageUrl string
 	AuthToken  string
+	Expires    time.Time // time the token expires, may be Zero if unknown
 	client     *http.Client
 	Auth       Authenticator `json:"-" xml:"-"` // the current authenticator
 	authLock   sync.Mutex    // lock when R/W StorageUrl, AuthToken, Auth
@@ -307,6 +308,7 @@ var (
 	Forbidden           = newError(403, "Operation forbidden")
 	TooLargeObject      = newError(413, "Too Large Object")
 	RateLimit           = newError(498, "Rate Limit")
+	TooManyRequests     = newError(429, "TooManyRequests")
 
 	// Mappings for authentication errors
 	authErrorMap = errorMap{
@@ -332,6 +334,7 @@ var (
 		404: ObjectNotFound,
 		413: TooLargeObject,
 		422: ObjectCorrupted,
+		429: TooManyRequests,
 		498: RateLimit,
 	}
 )
@@ -519,6 +522,12 @@ again:
 		c.StorageUrl = c.Auth.StorageUrl(c.Internal)
 	}
 	c.AuthToken = c.Auth.Token()
+	if do, ok := c.Auth.(Expireser); ok {
+		c.Expires = do.Expires()
+	} else {
+		c.Expires = time.Time{}
+	}
+
 	if !c.authenticated() {
 		err = newError(0, "Response didn't have storage url and auth token")
 		return
@@ -580,7 +589,14 @@ func (c *Connection) Authenticated() bool {
 //
 // Call with authLock held
 func (c *Connection) authenticated() bool {
-	return c.StorageUrl != "" && c.AuthToken != ""
+	if c.StorageUrl == "" || c.AuthToken == "" {
+		return false
+	}
+	if c.Expires.IsZero() {
+		return true
+	}
+	timeUntilExpiry := c.Expires.Sub(time.Now())
+	return timeUntilExpiry >= 60*time.Second
 }
 
 // SwiftInfo contains the JSON object returned by Swift when the /info
@@ -720,11 +736,11 @@ func (c *Connection) Call(targetUrl string, p RequestOpts) (resp *http.Response,
 			for k, v := range p.Headers {
 				// Set ContentLength in req if the user passed it in in the headers
 				if k == "Content-Length" {
-					contentLength, err := strconv.ParseInt(v, 10, 64)
+					req.ContentLength, err = strconv.ParseInt(v, 10, 64)
 					if err != nil {
-						return nil, nil, fmt.Errorf("Invalid %q header %q: %v", k, v, err)
+						err = fmt.Errorf("Invalid %q header %q: %v", k, v, err)
+						return
 					}
-					req.ContentLength = contentLength
 				} else {
 					req.Header.Add(k, v)
 				}
@@ -742,7 +758,7 @@ func (c *Connection) Call(targetUrl string, p RequestOpts) (resp *http.Response,
 				retries--
 				continue
 			}
-			return nil, nil, err
+			return
 		}
 		// Check to see if token has expired
 		if resp.StatusCode == 401 && retries > 0 {
@@ -754,15 +770,14 @@ func (c *Connection) Call(targetUrl string, p RequestOpts) (resp *http.Response,
 		}
 	}
 
-	if err = c.parseHeaders(resp, p.ErrorMap); err != nil {
-		return nil, nil, err
-	}
 	headers = readHeaders(resp)
+	if err = c.parseHeaders(resp, p.ErrorMap); err != nil {
+		return
+	}
 	if p.NoResponse {
-		var err error
 		drainAndClose(resp.Body, &err)
 		if err != nil {
-			return nil, nil, err
+			return
 		}
 	} else {
 		// Cancel the request on timeout

vendor/github.com/pkg/profile/.travis.yml

@@ -1,9 +1,8 @@
 language: go
 go_import_path: github.com/pkg/profile
 go:
-  - 1.4.3
+  - 1.10.x
-  - 1.5.2
+  - 1.12.x
-  - 1.6.3
   - tip
 
 script:

vendor/github.com/pkg/profile/profile.go

@@ -19,6 +19,7 @@ const (
 	mutexMode
 	blockMode
 	traceMode
+	threadCreateMode
 )
 
 // Profile represents an active profiling session.
@@ -83,17 +84,20 @@ func MemProfileRate(rate int) func(*Profile) {
 
 // MutexProfile enables mutex profiling.
 // It disables any previous profiling settings.
-//
-// Mutex profiling is a no-op before go1.8.
 func MutexProfile(p *Profile) { p.mode = mutexMode }
 
 // BlockProfile enables block (contention) profiling.
 // It disables any previous profiling settings.
 func BlockProfile(p *Profile) { p.mode = blockMode }
 
-// Trace profile controls if execution tracing will be enabled. It disables any previous profiling settings.
+// Trace profile enables execution tracing.
+// It disables any previous profiling settings.
 func TraceProfile(p *Profile) { p.mode = traceMode }
 
+// ThreadcreationProfile enables thread creation profiling..
+// It disables any previous profiling settings.
+func ThreadcreationProfile(p *Profile) { p.mode = threadCreateMode }
+
 // ProfilePath controls the base path where various profiling
 // files are written. If blank, the base path will be generated
 // by ioutil.TempDir.
@@ -211,6 +215,21 @@ func Start(options ...func(*Profile)) interface {
 			logf("profile: block profiling disabled, %s", fn)
 		}
 
+	case threadCreateMode:
+		fn := filepath.Join(path, "threadcreation.pprof")
+		f, err := os.Create(fn)
+		if err != nil {
+			log.Fatalf("profile: could not create thread creation profile %q: %v", fn, err)
+		}
+		logf("profile: thread creation profiling enabled, %s", fn)
+		prof.closer = func() {
+			if mp := pprof.Lookup("threadcreate"); mp != nil {
+				mp.WriteTo(f, 0)
+			}
+			f.Close()
+			logf("profile: thread creation profiling disabled, %s", fn)
+		}
+
 	case traceMode:
 		fn := filepath.Join(path, "trace.out")
 		f, err := os.Create(fn)

vendor/github.com/pkg/xattr/.travis.sh

@@ -9,6 +9,9 @@ GOOS=darwin  go build
 echo "Building for FreeBSD..."
 GOOS=freebsd go build
 
+echo "Building for Windows...(dummy)"
+GOOS=windows go build
+
 echo "Running tests..."
 go vet
 go test -v -race -coverprofile=coverage.txt -covermode=atomic

vendor/github.com/pkg/xattr/.travis.yml

@@ -2,11 +2,12 @@ language: go
 sudo: false
 
 go:
-  - "1.11"
+  - "1.11.x"
 
 os:
   - linux
   - osx
+  - windows
 
 before_install:
   - go version
@@ -18,7 +19,8 @@ install:
 
 script:
   - ./.travis.sh
-  - diff <(goimports -d .) <(printf "")
+  # goimports on windows gives false positives
+  - if [[ "${TRAVIS_OS_NAME}" != "windows" ]]; then diff <(goimports -d .) <(printf ""); fi
 
 after_success:
   - bash <(curl -s https://codecov.io/bash)

vendor/github.com/pkg/xattr/README.md

@@ -6,11 +6,11 @@
 
 xattr
 =====
-Extended attribute support for Go (linux + darwin + freebsd).
+Extended attribute support for Go (linux + darwin + freebsd + netbsd).
 
 "Extended attributes are name:value pairs associated permanently with files and directories, similar to the environment strings associated with a process. An attribute may be defined or undefined. If it is defined, its value may be empty or non-empty." [See more...](https://en.wikipedia.org/wiki/Extended_file_attributes)
 
-`SetWithFlags` allows to additionally pass system flags to be forwarded to the underlying calls, FreeBSD does not support this and the parameter will be ignored.
+`SetWithFlags` allows to additionally pass system flags to be forwarded to the underlying calls. FreeBSD and NetBSD do not support this and the parameter will be ignored.
 
 The `L` variants of all functions (`LGet/LSet/...`) are identical to `Get/Set/...` except that they
 do not reference a symlink that appears at the end of a path. See

vendor/github.com/pkg/xattr/xattr_bsd.go

@@ -1,4 +1,4 @@
-// +build freebsd
+// +build freebsd netbsd
 
 package xattr
 

vendor/github.com/pkg/xattr/xattr_darwin.go

@@ -5,7 +5,6 @@ package xattr
 import (
 	"os"
 	"syscall"
-	"unsafe"
 
 	"golang.org/x/sys/unix"
 )
@@ -30,23 +29,7 @@ func getxattr(path string, name string, data []byte) (int, error) {
 }
 
 func lgetxattr(path string, name string, data []byte) (int, error) {
-	value, size := bytePtrFromSlice(data)
+	return unix.Lgetxattr(path, name, data)
-	/*
-		ssize_t getxattr(
-			const char *path,
-			const char *name,
-			void *value,
-			size_t size,
-			u_int32_t position,
-			int options
-		)
-	*/
-	r0, _, err := syscall.Syscall6(syscall.SYS_GETXATTR, uintptr(unsafe.Pointer(syscall.StringBytePtr(path))),
-		uintptr(unsafe.Pointer(syscall.StringBytePtr(name))), uintptr(unsafe.Pointer(value)), uintptr(size), 0, XATTR_NOFOLLOW)
-	if err != syscall.Errno(0) {
-		return int(r0), err
-	}
-	return int(r0), nil
 }
 
 func fgetxattr(f *os.File, name string, data []byte) (int, error) {
@@ -58,7 +41,7 @@ func setxattr(path string, name string, data []byte, flags int) error {
 }
 
 func lsetxattr(path string, name string, data []byte, flags int) error {
-	return unix.Setxattr(path, name, data, flags|XATTR_NOFOLLOW)
+	return unix.Lsetxattr(path, name, data, flags)
 }
 
 func fsetxattr(f *os.File, name string, data []byte, flags int) error {
@@ -70,19 +53,7 @@ func removexattr(path string, name string) error {
 }
 
 func lremovexattr(path string, name string) error {
-	/*
+	return unix.Lremovexattr(path, name)
-		int removexattr(
-			const char *path,
-			const char *name,
-			int options
-		);
-	*/
-	_, _, err := syscall.Syscall(syscall.SYS_REMOVEXATTR, uintptr(unsafe.Pointer(syscall.StringBytePtr(path))),
-		uintptr(unsafe.Pointer(syscall.StringBytePtr(name))), XATTR_NOFOLLOW)
-	if err != syscall.Errno(0) {
-		return err
-	}
-	return nil
 }
 
 func fremovexattr(f *os.File, name string) error {
@@ -94,21 +65,7 @@ func listxattr(path string, data []byte) (int, error) {
 }
 
 func llistxattr(path string, data []byte) (int, error) {
-	name, size := bytePtrFromSlice(data)
+	return unix.Llistxattr(path, data)
-	/*
-		ssize_t listxattr(
-			const char *path,
-			char *name,
-			size_t size,
-			int options
-		);
-	*/
-	r0, _, err := syscall.Syscall6(syscall.SYS_LISTXATTR, uintptr(unsafe.Pointer(syscall.StringBytePtr(path))),
-		uintptr(unsafe.Pointer(name)), uintptr(size), XATTR_NOFOLLOW, 0, 0)
-	if err != syscall.Errno(0) {
-		return int(r0), err
-	}
-	return int(r0), nil
 }
 
 func flistxattr(f *os.File, data []byte) (int, error) {

vendor/github.com/pkg/xattr/xattr_unsupported.go

@@ -0,0 +1,60 @@
+// +build !linux,!freebsd,!netbsd,!darwin
+
+package xattr
+
+import (
+	"os"
+)
+
+func getxattr(path string, name string, data []byte) (int, error) {
+	return 0, nil
+}
+
+func lgetxattr(path string, name string, data []byte) (int, error) {
+	return 0, nil
+}
+
+func fgetxattr(f *os.File, name string, data []byte) (int, error) {
+	return 0, nil
+}
+
+func setxattr(path string, name string, data []byte, flags int) error {
+	return nil
+}
+
+func lsetxattr(path string, name string, data []byte, flags int) error {
+	return nil
+}
+
+func fsetxattr(f *os.File, name string, data []byte, flags int) error {
+	return nil
+}
+
+func removexattr(path string, name string) error {
+	return nil
+}
+
+func lremovexattr(path string, name string) error {
+	return nil
+}
+
+func fremovexattr(f *os.File, name string) error {
+	return nil
+}
+
+func listxattr(path string, data []byte) (int, error) {
+	return 0, nil
+}
+
+func llistxattr(path string, data []byte) (int, error) {
+	return 0, nil
+}
+
+func flistxattr(f *os.File, data []byte) (int, error) {
+	return 0, nil
+}
+
+// dummy
+func stringsFromByteSlice(buf []byte) (result []string) {
+	return []string{}
+}

vendor/go.opencensus.io/.travis.yml

@@ -1,27 +1,17 @@
 language: go
 
-go:
-  # 1.8 is tested by AppVeyor
-  - 1.11.x
-
 go_import_path: go.opencensus.io
 
-# Don't email me the results of the test runs.
+go:
-notifications:
+  - 1.11.x
-  email: false
+
+env:
+  global:
+    GO111MODULE=on
 
 before_script:
-  - GO_FILES=$(find . -iname '*.go' | grep -v /vendor/)  # All the .go files, excluding vendor/ if any
+  - make install-tools
-  - PKGS=$(go list ./... | grep -v /vendor/)             # All the import paths, excluding vendor/ if any
-  - curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh # Install latest dep release
-  - go get github.com/rakyll/embedmd
 
 script:
-  - embedmd -d README.md              # Ensure embedded code is up-to-date
+  - make travis-ci
-  - go build ./...                    # Ensure dependency updates don't break build
+  - go run internal/check/version.go # TODO move this to makefile
-  - if [ -n "$(gofmt -s -l $GO_FILES)" ]; then echo "gofmt the following files:"; gofmt -s -l $GO_FILES; exit 1; fi
-  - go vet ./...
-  - go test -v -race $PKGS            # Run all the tests with the race detector enabled
-  - GOARCH=386 go test -v $PKGS       # Run all tests against a 386 architecture
-  - 'if [[ $TRAVIS_GO_VERSION = 1.8* ]]; then ! golint ./... | grep -vE "(_mock|_string|\.pb)\.go:"; fi'
-  - go run internal/check/version.go

vendor/go.opencensus.io/CONTRIBUTING.md

@@ -41,7 +41,8 @@ git remote add fork git@github.com:YOUR_GITHUB_USERNAME/opencensus-go.git
 Run tests:
 
 ```
-$ go test ./...
+$ make install-tools  # Only first time.
+$ make
 ```
 
 Checkout a new branch, make modifications and push the branch to your fork:
@@ -54,3 +55,9 @@ $ git push fork feature
 ```
 
 Open a pull request against the main opencensus-go repo.
+
+## General Notes
+This project uses Appveyor and Travis for CI.
+
+The dependencies are managed with `go mod` if you work with the sources under your
+`$GOPATH` you need to set the environment variable `GO111MODULE=on`.

vendor/go.opencensus.io/Makefile

@@ -0,0 +1,95 @@
+# TODO: Fix this on windows.
+ALL_SRC := $(shell find . -name '*.go' \
+								-not -path './vendor/*' \
+								-not -path '*/gen-go/*' \
+								-type f | sort)
+ALL_PKGS := $(shell go list $(sort $(dir $(ALL_SRC))))
+
+GOTEST_OPT?=-v -race -timeout 30s
+GOTEST_OPT_WITH_COVERAGE = $(GOTEST_OPT) -coverprofile=coverage.txt -covermode=atomic
+GOTEST=go test
+GOFMT=gofmt
+GOLINT=golint
+GOVET=go vet
+EMBEDMD=embedmd
+# TODO decide if we need to change these names.
+TRACE_ID_LINT_EXCEPTION="type name will be used as trace.TraceID by other packages"
+TRACE_OPTION_LINT_EXCEPTION="type name will be used as trace.TraceOptions by other packages"
+
+.DEFAULT_GOAL := fmt-lint-vet-embedmd-test
+
+.PHONY: fmt-lint-vet-embedmd-test
+fmt-lint-vet-embedmd-test: fmt lint vet embedmd test
+
+# TODO enable test-with-coverage in tavis
+.PHONY: travis-ci
+travis-ci: fmt lint vet embedmd test test-386
+
+all-pkgs:
+	@echo $(ALL_PKGS) | tr ' ' '\n' | sort
+
+all-srcs:
+	@echo $(ALL_SRC) | tr ' ' '\n' | sort
+
+.PHONY: test
+test:
+	$(GOTEST) $(GOTEST_OPT) $(ALL_PKGS)
+
+.PHONY: test-386
+test-386:
+	GOARCH=386 $(GOTEST) -v -timeout 30s $(ALL_PKGS)
+
+.PHONY: test-with-coverage
+test-with-coverage:
+	$(GOTEST) $(GOTEST_OPT_WITH_COVERAGE) $(ALL_PKGS)
+
+.PHONY: fmt
+fmt:
+	@FMTOUT=`$(GOFMT) -s -l $(ALL_SRC) 2>&1`; \
+	if [ "$$FMTOUT" ]; then \
+		echo "$(GOFMT) FAILED => gofmt the following files:\n"; \
+		echo "$$FMTOUT\n"; \
+		exit 1; \
+	else \
+	    echo "Fmt finished successfully"; \
+	fi
+
+.PHONY: lint
+lint:
+	@LINTOUT=`$(GOLINT) $(ALL_PKGS) | grep -v $(TRACE_ID_LINT_EXCEPTION) | grep -v $(TRACE_OPTION_LINT_EXCEPTION) 2>&1`; \
+	if [ "$$LINTOUT" ]; then \
+		echo "$(GOLINT) FAILED => clean the following lint errors:\n"; \
+		echo "$$LINTOUT\n"; \
+		exit 1; \
+	else \
+	    echo "Lint finished successfully"; \
+	fi
+
+.PHONY: vet
+vet:
+    # TODO: Understand why go vet downloads "github.com/google/go-cmp v0.2.0"
+	@VETOUT=`$(GOVET) ./... | grep -v "go: downloading" 2>&1`; \
+	if [ "$$VETOUT" ]; then \
+		echo "$(GOVET) FAILED => go vet the following files:\n"; \
+		echo "$$VETOUT\n"; \
+		exit 1; \
+	else \
+	    echo "Vet finished successfully"; \
+	fi
+	
+.PHONY: embedmd
+embedmd:
+	@EMBEDMDOUT=`$(EMBEDMD) -d README.md 2>&1`; \
+	if [ "$$EMBEDMDOUT" ]; then \
+		echo "$(EMBEDMD) FAILED => embedmd the following files:\n"; \
+		echo "$$EMBEDMDOUT\n"; \
+		exit 1; \
+	else \
+	    echo "Embedmd finished successfully"; \
+	fi
+
+.PHONY: install-tools
+install-tools:
+	go get -u golang.org/x/tools/cmd/cover
+	go get -u golang.org/x/lint/golint
+	go get -u github.com/rakyll/embedmd

vendor/go.opencensus.io/README.md

@@ -123,7 +123,7 @@ Currently three types of aggregations are supported:
 
 [embedmd]:# (internal/readme/stats.go aggs)
 ```go
-distAgg := view.Distribution(0, 1<<32, 2<<32, 3<<32)
+distAgg := view.Distribution(1<<32, 2<<32, 3<<32)
 countAgg := view.Count()
 sumAgg := view.Sum()
 ```
@@ -136,7 +136,7 @@ if err := view.Register(&view.View{
 	Name:        "example.com/video_size_distribution",
 	Description: "distribution of processed video size over time",
 	Measure:     videoSize,
-	Aggregation: view.Distribution(0, 1<<32, 2<<32, 3<<32),
+	Aggregation: view.Distribution(1<<32, 2<<32, 3<<32),
 }); err != nil {
 	log.Fatalf("Failed to register view: %v", err)
 }

vendor/go.opencensus.io/appveyor.yml

@@ -12,6 +12,7 @@ environment:
 
 install:
   - set PATH=%GOPATH%\bin;c:\go\bin;%PATH%
+  - choco upgrade golang --version 1.11.5 # Temporary fix because of a go.sum bug in 1.11
   - go version
   - go env
 

vendor/go.opencensus.io/exemplar/exemplar.go

@@ -1,78 +0,0 @@
-// Copyright 2018, OpenCensus Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Package exemplar implements support for exemplars. Exemplars are additional
-// data associated with each measurement.
-//
-// Their purpose it to provide an example of the kind of thing
-// (request, RPC, trace span, etc.) that resulted in that measurement.
-package exemplar
-
-import (
-	"context"
-	"time"
-)
-
-const (
-	KeyTraceID   = "trace_id"
-	KeySpanID    = "span_id"
-	KeyPrefixTag = "tag:"
-)
-
-// Exemplar is an example data point associated with each bucket of a
-// distribution type aggregation.
-type Exemplar struct {
-	Value       float64     // the value that was recorded
-	Timestamp   time.Time   // the time the value was recorded
-	Attachments Attachments // attachments (if any)
-}
-
-// Attachments is a map of extra values associated with a recorded data point.
-// The map should only be mutated from AttachmentExtractor functions.
-type Attachments map[string]string
-
-// AttachmentExtractor is a function capable of extracting exemplar attachments
-// from the context used to record measurements.
-// The map passed to the function should be mutated and returned. It will
-// initially be nil: the first AttachmentExtractor that would like to add keys to the
-// map is responsible for initializing it.
-type AttachmentExtractor func(ctx context.Context, a Attachments) Attachments
-
-var extractors []AttachmentExtractor
-
-// RegisterAttachmentExtractor registers the given extractor associated with the exemplar
-// type name.
-//
-// Extractors will be used to attempt to extract exemplars from the context
-// associated with each recorded measurement.
-//
-// Packages that support exemplars should register their extractor functions on
-// initialization.
-//
-// RegisterAttachmentExtractor should not be called after any measurements have
-// been recorded.
-func RegisterAttachmentExtractor(e AttachmentExtractor) {
-	extractors = append(extractors, e)
-}
-
-// NewFromContext extracts exemplars from the given context.
-// Each registered AttachmentExtractor (see RegisterAttachmentExtractor) is called in an
-// unspecified order to add attachments to the exemplar.
-func AttachmentsFromContext(ctx context.Context) Attachments {
-	var a Attachments
-	for _, extractor := range extractors {
-		a = extractor(ctx, a)
-	}
-	return a
-}

vendor/go.opencensus.io/go.mod

@@ -1,32 +1,13 @@
 module go.opencensus.io
 
 require (
-	cloud.google.com/go v0.34.0 // indirect
+	github.com/apache/thrift v0.12.0
-	git.apache.org/thrift.git v0.0.0-20181218151757-9b75e4fe745a
-	github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973
-	github.com/ghodss/yaml v1.0.0 // indirect
-	github.com/golang/mock v1.2.0 // indirect
 	github.com/golang/protobuf v1.2.0
 	github.com/google/go-cmp v0.2.0
-	github.com/grpc-ecosystem/grpc-gateway v1.6.2 // indirect
+	github.com/hashicorp/golang-lru v0.5.0
-	github.com/matttproud/golang_protobuf_extensions v1.0.1
+	github.com/openzipkin/zipkin-go v0.1.6
-	github.com/openzipkin/zipkin-go v0.1.3
+	github.com/prometheus/client_golang v0.9.3-0.20190127221311-3c4408c8b829
-	github.com/prometheus/client_golang v0.9.2
+	golang.org/x/net v0.0.0-20190311183353-d8887717615a
-	github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910
+	google.golang.org/api v0.3.1
-	github.com/prometheus/common v0.0.0-20181218105931-67670fe90761
+	google.golang.org/grpc v1.19.0
-	github.com/prometheus/procfs v0.0.0-20181204211112-1dc9a6cbc91a
-	golang.org/x/lint v0.0.0-20181217174547-8f45f776aaf1 // indirect
-	golang.org/x/net v0.0.0-20181217023233-e147a9138326
-	golang.org/x/oauth2 v0.0.0-20181203162652-d668ce993890 // indirect
-	golang.org/x/sync v0.0.0-20181108010431-42b317875d0f
-	golang.org/x/sys v0.0.0-20181218192612-074acd46bca6
-	golang.org/x/text v0.3.0
-	golang.org/x/tools v0.0.0-20181219222714-6e267b5cc78e // indirect
-	google.golang.org/api v0.0.0-20181220000619-583d854617af
-	google.golang.org/appengine v1.3.0 // indirect
-	google.golang.org/genproto v0.0.0-20181219182458-5a97ab628bfb
-	google.golang.org/grpc v1.17.0
-	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
-	gopkg.in/yaml.v2 v2.2.2 // indirect
-	honnef.co/go/tools v0.0.0-20180920025451-e3ad64cb4ed3 // indirect
 )

vendor/go.opencensus.io/go.sum

@@ -1,99 +1,127 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
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 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f h1:wMNYb4v58l5UBM7MYRLPG6ZhfOqbKu7X5eyFl8ZhKvA=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f h1:Bl/8QSvNqXvPGPGXa2z5xUTmV7VDcZyvRZ+QQXkXTZQ=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
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-google.golang.org/api v0.0.0-20180818000503-e21acd801f91/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
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 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
-google.golang.org/appengine v1.3.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
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 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
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-google.golang.org/grpc v1.14.0 h1:ArxJuB1NWfPY6r9Gp9gqwplT0Ge7nqv9msgu03lHLmo=
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-google.golang.org/grpc v1.16.0/go.mod h1:0JHn/cJsOMiMfNA9+DeHDlAU7KAAB5GDlYFpa9MZMio=
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vendor/go.opencensus.io/internal/tagencoding/tagencoding.go

@@ -17,6 +17,7 @@
 // used interally by the stats collector.
 package tagencoding // import "go.opencensus.io/internal/tagencoding"
 
+// Values represent the encoded buffer for the values.
 type Values struct {
 	Buffer     []byte
 	WriteIndex int
@@ -31,6 +32,7 @@ func (vb *Values) growIfRequired(expected int) {
 	}
 }
 
+// WriteValue is the helper method to encode Values from map[Key][]byte.
 func (vb *Values) WriteValue(v []byte) {
 	length := len(v) & 0xff
 	vb.growIfRequired(1 + length)
@@ -49,7 +51,7 @@ func (vb *Values) WriteValue(v []byte) {
 	vb.WriteIndex += length
 }
 
-// ReadValue is the helper method to read the values when decoding valuesBytes to a map[Key][]byte.
+// ReadValue is the helper method to decode Values to a map[Key][]byte.
 func (vb *Values) ReadValue() []byte {
 	// read length of v
 	length := int(vb.Buffer[vb.ReadIndex])
@@ -67,6 +69,7 @@ func (vb *Values) ReadValue() []byte {
 	return v
 }
 
+// Bytes returns a reference to already written bytes in the Buffer.
 func (vb *Values) Bytes() []byte {
 	return vb.Buffer[:vb.WriteIndex]
 }

vendor/go.opencensus.io/internal/traceinternals.go

@@ -22,6 +22,7 @@ import (
 // TODO(#412): remove this
 var Trace interface{}
 
+// LocalSpanStoreEnabled true if the local span store is enabled.
 var LocalSpanStoreEnabled bool
 
 // BucketConfiguration stores the number of samples to store for span buckets

vendor/go.opencensus.io/metric/metricdata/doc.go

@@ -12,17 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package internal // import "go.opencensus.io/stats/internal"
+// Package metricdata contains the metrics data model.
-
+//
-const (
+// This is an EXPERIMENTAL package, and may change in arbitrary ways without
-	MaxNameLength = 255
+// notice.
-)
+package metricdata // import "go.opencensus.io/metric/metricdata"
-
-func IsPrintable(str string) bool {
-	for _, r := range str {
-		if !(r >= ' ' && r <= '~') {
-			return false
-		}
-	}
-	return true
-}

vendor/go.opencensus.io/metric/metricdata/exemplar.go

@@ -0,0 +1,33 @@
+// Copyright 2018, OpenCensus Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package metricdata
+
+import (
+	"time"
+)
+
+// Exemplar is an example data point associated with each bucket of a
+// distribution type aggregation.
+//
+// Their purpose is to provide an example of the kind of thing
+// (request, RPC, trace span, etc.) that resulted in that measurement.
+type Exemplar struct {
+	Value       float64     // the value that was recorded
+	Timestamp   time.Time   // the time the value was recorded
+	Attachments Attachments // attachments (if any)
+}
+
+// Attachments is a map of extra values associated with a recorded data point.
+type Attachments map[string]interface{}

vendor/go.opencensus.io/metric/metricdata/label.go

@@ -12,32 +12,17 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package trace
+package metricdata
 
-import (
+// LabelValue represents the value of a label.
-	"context"
+// The zero value represents a missing label value, which may be treated
-	"encoding/hex"
+// differently to an empty string value by some back ends.
-
+type LabelValue struct {
-	"go.opencensus.io/exemplar"
+	Value   string // string value of the label
-)
+	Present bool   // flag that indicated whether a value is present or not
-
-func init() {
-	exemplar.RegisterAttachmentExtractor(attachSpanContext)
 }
 
-func attachSpanContext(ctx context.Context, a exemplar.Attachments) exemplar.Attachments {
+// NewLabelValue creates a new non-nil LabelValue that represents the given string.
-	span := FromContext(ctx)
+func NewLabelValue(val string) LabelValue {
-	if span == nil {
+	return LabelValue{Value: val, Present: true}
-		return a
-	}
-	sc := span.SpanContext()
-	if !sc.IsSampled() {
-		return a
-	}
-	if a == nil {
-		a = make(exemplar.Attachments)
-	}
-	a[exemplar.KeyTraceID] = hex.EncodeToString(sc.TraceID[:])
-	a[exemplar.KeySpanID] = hex.EncodeToString(sc.SpanID[:])
-	return a
 }

vendor/go.opencensus.io/metric/metricdata/metric.go

@@ -0,0 +1,46 @@
+// Copyright 2018, OpenCensus Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package metricdata
+
+import (
+	"time"
+
+	"go.opencensus.io/resource"
+)
+
+// Descriptor holds metadata about a metric.
+type Descriptor struct {
+	Name        string   // full name of the metric
+	Description string   // human-readable description
+	Unit        Unit     // units for the measure
+	Type        Type     // type of measure
+	LabelKeys   []string // label keys
+}
+
+// Metric represents a quantity measured against a resource with different
+// label value combinations.
+type Metric struct {
+	Descriptor Descriptor         // metric descriptor
+	Resource   *resource.Resource // resource against which this was measured
+	TimeSeries []*TimeSeries      // one time series for each combination of label values
+}
+
+// TimeSeries is a sequence of points associated with a combination of label
+// values.
+type TimeSeries struct {
+	LabelValues []LabelValue // label values, same order as keys in the metric descriptor
+	Points      []Point      // points sequence
+	StartTime   time.Time    // time we started recording this time series
+}

vendor/go.opencensus.io/metric/metricdata/point.go

@@ -0,0 +1,193 @@
+// Copyright 2018, OpenCensus Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package metricdata
+
+import (
+	"time"
+)
+
+// Point is a single data point of a time series.
+type Point struct {
+	// Time is the point in time that this point represents in a time series.
+	Time time.Time
+	// Value is the value of this point. Prefer using ReadValue to switching on
+	// the value type, since new value types might be added.
+	Value interface{}
+}
+
+//go:generate stringer -type ValueType
+
+// NewFloat64Point creates a new Point holding a float64 value.
+func NewFloat64Point(t time.Time, val float64) Point {
+	return Point{
+		Value: val,
+		Time:  t,
+	}
+}
+
+// NewInt64Point creates a new Point holding an int64 value.
+func NewInt64Point(t time.Time, val int64) Point {
+	return Point{
+		Value: val,
+		Time:  t,
+	}
+}
+
+// NewDistributionPoint creates a new Point holding a Distribution value.
+func NewDistributionPoint(t time.Time, val *Distribution) Point {
+	return Point{
+		Value: val,
+		Time:  t,
+	}
+}
+
+// NewSummaryPoint creates a new Point holding a Summary value.
+func NewSummaryPoint(t time.Time, val *Summary) Point {
+	return Point{
+		Value: val,
+		Time:  t,
+	}
+}
+
+// ValueVisitor allows reading the value of a point.
+type ValueVisitor interface {
+	VisitFloat64Value(float64)
+	VisitInt64Value(int64)
+	VisitDistributionValue(*Distribution)
+	VisitSummaryValue(*Summary)
+}
+
+// ReadValue accepts a ValueVisitor and calls the appropriate method with the
+// value of this point.
+// Consumers of Point should use this in preference to switching on the type
+// of the value directly, since new value types may be added.
+func (p Point) ReadValue(vv ValueVisitor) {
+	switch v := p.Value.(type) {
+	case int64:
+		vv.VisitInt64Value(v)
+	case float64:
+		vv.VisitFloat64Value(v)
+	case *Distribution:
+		vv.VisitDistributionValue(v)
+	case *Summary:
+		vv.VisitSummaryValue(v)
+	default:
+		panic("unexpected value type")
+	}
+}
+
+// Distribution contains summary statistics for a population of values. It
+// optionally contains a histogram representing the distribution of those
+// values across a set of buckets.
+type Distribution struct {
+	// Count is the number of values in the population. Must be non-negative. This value
+	// must equal the sum of the values in bucket_counts if a histogram is
+	// provided.
+	Count int64
+	// Sum is the sum of the values in the population. If count is zero then this field
+	// must be zero.
+	Sum float64
+	// SumOfSquaredDeviation is the sum of squared deviations from the mean of the values in the
+	// population. For values x_i this is:
+	//
+	//     Sum[i=1..n]((x_i - mean)^2)
+	//
+	// Knuth, "The Art of Computer Programming", Vol. 2, page 323, 3rd edition
+	// describes Welford's method for accumulating this sum in one pass.
+	//
+	// If count is zero then this field must be zero.
+	SumOfSquaredDeviation float64
+	// BucketOptions describes the bounds of the histogram buckets in this
+	// distribution.
+	//
+	// A Distribution may optionally contain a histogram of the values in the
+	// population.
+	//
+	// If nil, there is no associated histogram.
+	BucketOptions *BucketOptions
+	// Bucket If the distribution does not have a histogram, then omit this field.
+	// If there is a histogram, then the sum of the values in the Bucket counts
+	// must equal the value in the count field of the distribution.
+	Buckets []Bucket
+}
+
+// BucketOptions describes the bounds of the histogram buckets in this
+// distribution.
+type BucketOptions struct {
+	// Bounds specifies a set of bucket upper bounds.
+	// This defines len(bounds) + 1 (= N) buckets. The boundaries for bucket
+	// index i are:
+	//
+	// [0, Bounds[i]) for i == 0
+	// [Bounds[i-1], Bounds[i]) for 0 < i < N-1
+	// [Bounds[i-1], +infinity) for i == N-1
+	Bounds []float64
+}
+
+// Bucket represents a single bucket (value range) in a distribution.
+type Bucket struct {
+	// Count is the number of values in each bucket of the histogram, as described in
+	// bucket_bounds.
+	Count int64
+	// Exemplar associated with this bucket (if any).
+	Exemplar *Exemplar
+}
+
+// Summary is a representation of percentiles.
+type Summary struct {
+	// Count is the cumulative count (if available).
+	Count int64
+	// Sum is the cumulative sum of values  (if available).
+	Sum float64
+	// HasCountAndSum is true if Count and Sum are available.
+	HasCountAndSum bool
+	// Snapshot represents percentiles calculated over an arbitrary time window.
+	// The values in this struct can be reset at arbitrary unknown times, with
+	// the requirement that all of them are reset at the same time.
+	Snapshot Snapshot
+}
+
+// Snapshot represents percentiles over an arbitrary time.
+// The values in this struct can be reset at arbitrary unknown times, with
+// the requirement that all of them are reset at the same time.
+type Snapshot struct {
+	// Count is the number of values in the snapshot. Optional since some systems don't
+	// expose this. Set to 0 if not available.
+	Count int64
+	// Sum is the sum of values in the snapshot. Optional since some systems don't
+	// expose this. If count is 0 then this field must be zero.
+	Sum float64
+	// Percentiles is a map from percentile (range (0-100.0]) to the value of
+	// the percentile.
+	Percentiles map[float64]float64
+}
+
+//go:generate stringer -type Type
+
+// Type is the overall type of metric, including its value type and whether it
+// represents a cumulative total (since the start time) or if it represents a
+// gauge value.
+type Type int
+
+// Metric types.
+const (
+	TypeGaugeInt64 Type = iota
+	TypeGaugeFloat64
+	TypeGaugeDistribution
+	TypeCumulativeInt64
+	TypeCumulativeFloat64
+	TypeCumulativeDistribution
+	TypeSummary
+)

vendor/go.opencensus.io/metric/metricdata/type_string.go

@@ -0,0 +1,16 @@
+// Code generated by "stringer -type Type"; DO NOT EDIT.
+
+package metricdata
+
+import "strconv"
+
+const _Type_name = "TypeGaugeInt64TypeGaugeFloat64TypeGaugeDistributionTypeCumulativeInt64TypeCumulativeFloat64TypeCumulativeDistributionTypeSummary"
+
+var _Type_index = [...]uint8{0, 14, 30, 51, 70, 91, 117, 128}
+
+func (i Type) String() string {
+	if i < 0 || i >= Type(len(_Type_index)-1) {
+		return "Type(" + strconv.FormatInt(int64(i), 10) + ")"
+	}
+	return _Type_name[_Type_index[i]:_Type_index[i+1]]
+}

vendor/go.opencensus.io/metric/metricdata/unit.go

@@ -0,0 +1,27 @@
+// Copyright 2018, OpenCensus Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package metricdata
+
+// Unit is a string encoded according to the case-sensitive abbreviations from the
+// Unified Code for Units of Measure: http://unitsofmeasure.org/ucum.html
+type Unit string
+
+// Predefined units. To record against a unit not represented here, create your
+// own Unit type constant from a string.
+const (
+	UnitDimensionless Unit = "1"
+	UnitBytes         Unit = "By"
+	UnitMilliseconds  Unit = "ms"
+)

vendor/go.opencensus.io/metric/metricproducer/manager.go

@@ -0,0 +1,78 @@
+// Copyright 2019, OpenCensus Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package metricproducer
+
+import (
+	"sync"
+)
+
+// Manager maintains a list of active producers. Producers can register
+// with the manager to allow readers to read all metrics provided by them.
+// Readers can retrieve all producers registered with the manager,
+// read metrics from the producers and export them.
+type Manager struct {
+	mu        sync.RWMutex
+	producers map[Producer]struct{}
+}
+
+var prodMgr *Manager
+var once sync.Once
+
+// GlobalManager is a single instance of producer manager
+// that is used by all producers and all readers.
+func GlobalManager() *Manager {
+	once.Do(func() {
+		prodMgr = &Manager{}
+		prodMgr.producers = make(map[Producer]struct{})
+	})
+	return prodMgr
+}
+
+// AddProducer adds the producer to the Manager if it is not already present.
+func (pm *Manager) AddProducer(producer Producer) {
+	if producer == nil {
+		return
+	}
+	pm.mu.Lock()
+	defer pm.mu.Unlock()
+	pm.producers[producer] = struct{}{}
+}
+
+// DeleteProducer deletes the producer from the Manager if it is present.
+func (pm *Manager) DeleteProducer(producer Producer) {
+	if producer == nil {
+		return
+	}
+	pm.mu.Lock()
+	defer pm.mu.Unlock()
+	delete(pm.producers, producer)
+}
+
+// GetAll returns a slice of all producer currently registered with
+// the Manager. For each call it generates a new slice. The slice
+// should not be cached as registration may change at any time. It is
+// typically called periodically by exporter to read metrics from
+// the producers.
+func (pm *Manager) GetAll() []Producer {
+	pm.mu.Lock()
+	defer pm.mu.Unlock()
+	producers := make([]Producer, len(pm.producers))
+	i := 0
+	for producer := range pm.producers {
+		producers[i] = producer
+		i++
+	}
+	return producers
+}

vendor/go.opencensus.io/metric/metricproducer/producer.go

@@ -0,0 +1,28 @@
+// Copyright 2019, OpenCensus Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package metricproducer
+
+import (
+	"go.opencensus.io/metric/metricdata"
+)
+
+// Producer is a source of metrics.
+type Producer interface {
+	// Read should return the current values of all metrics supported by this
+	// metric provider.
+	// The returned metrics should be unique for each combination of name and
+	// resource.
+	Read() []*metricdata.Metric
+}

vendor/go.opencensus.io/opencensus.go

@@ -17,5 +17,5 @@ package opencensus // import "go.opencensus.io"
 
 // Version is the current release version of OpenCensus in use.
 func Version() string {
-	return "0.19.0"
+	return "0.21.0"
 }

vendor/go.opencensus.io/plugin/ocgrpc/client.go

@@ -0,0 +1,56 @@
+// Copyright 2018, OpenCensus Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package ocgrpc
+
+import (
+	"go.opencensus.io/trace"
+	"golang.org/x/net/context"
+
+	"google.golang.org/grpc/stats"
+)
+
+// ClientHandler implements a gRPC stats.Handler for recording OpenCensus stats and
+// traces. Use with gRPC clients only.
+type ClientHandler struct {
+	// StartOptions allows configuring the StartOptions used to create new spans.
+	//
+	// StartOptions.SpanKind will always be set to trace.SpanKindClient
+	// for spans started by this handler.
+	StartOptions trace.StartOptions
+}
+
+// HandleConn exists to satisfy gRPC stats.Handler.
+func (c *ClientHandler) HandleConn(ctx context.Context, cs stats.ConnStats) {
+	// no-op
+}
+
+// TagConn exists to satisfy gRPC stats.Handler.
+func (c *ClientHandler) TagConn(ctx context.Context, cti *stats.ConnTagInfo) context.Context {
+	// no-op
+	return ctx
+}
+
+// HandleRPC implements per-RPC tracing and stats instrumentation.
+func (c *ClientHandler) HandleRPC(ctx context.Context, rs stats.RPCStats) {
+	traceHandleRPC(ctx, rs)
+	statsHandleRPC(ctx, rs)
+}
+
+// TagRPC implements per-RPC context management.
+func (c *ClientHandler) TagRPC(ctx context.Context, rti *stats.RPCTagInfo) context.Context {
+	ctx = c.traceTagRPC(ctx, rti)
+	ctx = c.statsTagRPC(ctx, rti)
+	return ctx
+}

vendor/go.opencensus.io/plugin/ocgrpc/client_metrics.go

@@ -0,0 +1,107 @@
+// Copyright 2017, OpenCensus Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+package ocgrpc
+
+import (
+	"go.opencensus.io/stats"
+	"go.opencensus.io/stats/view"
+	"go.opencensus.io/tag"
+)
+
+// The following variables are measures are recorded by ClientHandler:
+var (
+	ClientSentMessagesPerRPC     = stats.Int64("grpc.io/client/sent_messages_per_rpc", "Number of messages sent in the RPC (always 1 for non-streaming RPCs).", stats.UnitDimensionless)
+	ClientSentBytesPerRPC        = stats.Int64("grpc.io/client/sent_bytes_per_rpc", "Total bytes sent across all request messages per RPC.", stats.UnitBytes)
+	ClientReceivedMessagesPerRPC = stats.Int64("grpc.io/client/received_messages_per_rpc", "Number of response messages received per RPC (always 1 for non-streaming RPCs).", stats.UnitDimensionless)
+	ClientReceivedBytesPerRPC    = stats.Int64("grpc.io/client/received_bytes_per_rpc", "Total bytes received across all response messages per RPC.", stats.UnitBytes)
+	ClientRoundtripLatency       = stats.Float64("grpc.io/client/roundtrip_latency", "Time between first byte of request sent to last byte of response received, or terminal error.", stats.UnitMilliseconds)
+	ClientServerLatency          = stats.Float64("grpc.io/client/server_latency", `Propagated from the server and should have the same value as "grpc.io/server/latency".`, stats.UnitMilliseconds)
+)
+
+// Predefined views may be registered to collect data for the above measures.
+// As always, you may also define your own custom views over measures collected by this
+// package. These are declared as a convenience only; none are registered by
+// default.
+var (
+	ClientSentBytesPerRPCView = &view.View{
+		Measure:     ClientSentBytesPerRPC,
+		Name:        "grpc.io/client/sent_bytes_per_rpc",
+		Description: "Distribution of bytes sent per RPC, by method.",
+		TagKeys:     []tag.Key{KeyClientMethod},
+		Aggregation: DefaultBytesDistribution,
+	}
+
+	ClientReceivedBytesPerRPCView = &view.View{
+		Measure:     ClientReceivedBytesPerRPC,
+		Name:        "grpc.io/client/received_bytes_per_rpc",
+		Description: "Distribution of bytes received per RPC, by method.",
+		TagKeys:     []tag.Key{KeyClientMethod},
+		Aggregation: DefaultBytesDistribution,
+	}
+
+	ClientRoundtripLatencyView = &view.View{
+		Measure:     ClientRoundtripLatency,
+		Name:        "grpc.io/client/roundtrip_latency",
+		Description: "Distribution of round-trip latency, by method.",
+		TagKeys:     []tag.Key{KeyClientMethod},
+		Aggregation: DefaultMillisecondsDistribution,
+	}
+
+	ClientCompletedRPCsView = &view.View{
+		Measure:     ClientRoundtripLatency,
+		Name:        "grpc.io/client/completed_rpcs",
+		Description: "Count of RPCs by method and status.",
+		TagKeys:     []tag.Key{KeyClientMethod, KeyClientStatus},
+		Aggregation: view.Count(),
+	}
+
+	ClientSentMessagesPerRPCView = &view.View{
+		Measure:     ClientSentMessagesPerRPC,
+		Name:        "grpc.io/client/sent_messages_per_rpc",
+		Description: "Distribution of sent messages count per RPC, by method.",
+		TagKeys:     []tag.Key{KeyClientMethod},
+		Aggregation: DefaultMessageCountDistribution,
+	}
+
+	ClientReceivedMessagesPerRPCView = &view.View{
+		Measure:     ClientReceivedMessagesPerRPC,
+		Name:        "grpc.io/client/received_messages_per_rpc",
+		Description: "Distribution of received messages count per RPC, by method.",
+		TagKeys:     []tag.Key{KeyClientMethod},
+		Aggregation: DefaultMessageCountDistribution,
+	}
+
+	ClientServerLatencyView = &view.View{
+		Measure:     ClientServerLatency,
+		Name:        "grpc.io/client/server_latency",
+		Description: "Distribution of server latency as viewed by client, by method.",
+		TagKeys:     []tag.Key{KeyClientMethod},
+		Aggregation: DefaultMillisecondsDistribution,
+	}
+)
+
+// DefaultClientViews are the default client views provided by this package.
+var DefaultClientViews = []*view.View{
+	ClientSentBytesPerRPCView,
+	ClientReceivedBytesPerRPCView,
+	ClientRoundtripLatencyView,
+	ClientCompletedRPCsView,
+}
+
+// TODO(jbd): Add roundtrip_latency, uncompressed_request_bytes, uncompressed_response_bytes, request_count, response_count.
+// TODO(acetechnologist): This is temporary and will need to be replaced by a
+// mechanism to load these defaults from a common repository/config shared by
+// all supported languages. Likely a serialized protobuf of these defaults.

vendor/go.opencensus.io/plugin/ocgrpc/client_stats_handler.go

@@ -0,0 +1,49 @@
+// Copyright 2017, OpenCensus Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+package ocgrpc
+
+import (
+	"time"
+
+	"go.opencensus.io/tag"
+	"golang.org/x/net/context"
+	"google.golang.org/grpc/grpclog"
+	"google.golang.org/grpc/stats"
+)
+
+// statsTagRPC gets the tag.Map populated by the application code, serializes
+// its tags into the GRPC metadata in order to be sent to the server.
+func (h *ClientHandler) statsTagRPC(ctx context.Context, info *stats.RPCTagInfo) context.Context {
+	startTime := time.Now()
+	if info == nil {
+		if grpclog.V(2) {
+			grpclog.Infof("clientHandler.TagRPC called with nil info.", info.FullMethodName)
+		}
+		return ctx
+	}
+
+	d := &rpcData{
+		startTime: startTime,
+		method:    info.FullMethodName,
+	}
+	ts := tag.FromContext(ctx)
+	if ts != nil {
+		encoded := tag.Encode(ts)
+		ctx = stats.SetTags(ctx, encoded)
+	}
+
+	return context.WithValue(ctx, rpcDataKey, d)
+}

vendor/go.opencensus.io/plugin/ocgrpc/doc.go

@@ -0,0 +1,19 @@
+// Copyright 2017, OpenCensus Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package ocgrpc contains OpenCensus stats and trace
+// integrations for gRPC.
+//
+// Use ServerHandler for servers and ClientHandler for clients.
+package ocgrpc // import "go.opencensus.io/plugin/ocgrpc"

vendor/go.opencensus.io/plugin/ocgrpc/server.go

@@ -0,0 +1,80 @@
+// Copyright 2018, OpenCensus Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package ocgrpc
+
+import (
+	"go.opencensus.io/trace"
+	"golang.org/x/net/context"
+
+	"google.golang.org/grpc/stats"
+)
+
+// ServerHandler implements gRPC stats.Handler recording OpenCensus stats and
+// traces. Use with gRPC servers.
+//
+// When installed (see Example), tracing metadata is read from inbound RPCs
+// by default. If no tracing metadata is present, or if the tracing metadata is
+// present but the SpanContext isn't sampled, then a new trace may be started
+// (as determined by Sampler).
+type ServerHandler struct {
+	// IsPublicEndpoint may be set to true to always start a new trace around
+	// each RPC. Any SpanContext in the RPC metadata will be added as a linked
+	// span instead of making it the parent of the span created around the
+	// server RPC.
+	//
+	// Be aware that if you leave this false (the default) on a public-facing
+	// server, callers will be able to send tracing metadata in gRPC headers
+	// and trigger traces in your backend.
+	IsPublicEndpoint bool
+
+	// StartOptions to use for to spans started around RPCs handled by this server.
+	//
+	// These will apply even if there is tracing metadata already
+	// present on the inbound RPC but the SpanContext is not sampled. This
+	// ensures that each service has some opportunity to be traced. If you would
+	// like to not add any additional traces for this gRPC service, set:
+	//
+	//   StartOptions.Sampler = trace.ProbabilitySampler(0.0)
+	//
+	// StartOptions.SpanKind will always be set to trace.SpanKindServer
+	// for spans started by this handler.
+	StartOptions trace.StartOptions
+}
+
+var _ stats.Handler = (*ServerHandler)(nil)
+
+// HandleConn exists to satisfy gRPC stats.Handler.
+func (s *ServerHandler) HandleConn(ctx context.Context, cs stats.ConnStats) {
+	// no-op
+}
+
+// TagConn exists to satisfy gRPC stats.Handler.
+func (s *ServerHandler) TagConn(ctx context.Context, cti *stats.ConnTagInfo) context.Context {
+	// no-op
+	return ctx
+}
+
+// HandleRPC implements per-RPC tracing and stats instrumentation.
+func (s *ServerHandler) HandleRPC(ctx context.Context, rs stats.RPCStats) {
+	traceHandleRPC(ctx, rs)
+	statsHandleRPC(ctx, rs)
+}
+
+// TagRPC implements per-RPC context management.
+func (s *ServerHandler) TagRPC(ctx context.Context, rti *stats.RPCTagInfo) context.Context {
+	ctx = s.traceTagRPC(ctx, rti)
+	ctx = s.statsTagRPC(ctx, rti)
+	return ctx
+}

vendor/go.opencensus.io/plugin/ocgrpc/server_metrics.go

@@ -0,0 +1,97 @@
+// Copyright 2017, OpenCensus Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+package ocgrpc
+
+import (
+	"go.opencensus.io/stats"
+	"go.opencensus.io/stats/view"
+	"go.opencensus.io/tag"
+)
+
+// The following variables are measures are recorded by ServerHandler:
+var (
+	ServerReceivedMessagesPerRPC = stats.Int64("grpc.io/server/received_messages_per_rpc", "Number of messages received in each RPC. Has value 1 for non-streaming RPCs.", stats.UnitDimensionless)
+	ServerReceivedBytesPerRPC    = stats.Int64("grpc.io/server/received_bytes_per_rpc", "Total bytes received across all messages per RPC.", stats.UnitBytes)
+	ServerSentMessagesPerRPC     = stats.Int64("grpc.io/server/sent_messages_per_rpc", "Number of messages sent in each RPC. Has value 1 for non-streaming RPCs.", stats.UnitDimensionless)
+	ServerSentBytesPerRPC        = stats.Int64("grpc.io/server/sent_bytes_per_rpc", "Total bytes sent in across all response messages per RPC.", stats.UnitBytes)
+	ServerLatency                = stats.Float64("grpc.io/server/server_latency", "Time between first byte of request received to last byte of response sent, or terminal error.", stats.UnitMilliseconds)
+)
+
+// TODO(acetechnologist): This is temporary and will need to be replaced by a
+// mechanism to load these defaults from a common repository/config shared by
+// all supported languages. Likely a serialized protobuf of these defaults.
+
+// Predefined views may be registered to collect data for the above measures.
+// As always, you may also define your own custom views over measures collected by this
+// package. These are declared as a convenience only; none are registered by
+// default.
+var (
+	ServerReceivedBytesPerRPCView = &view.View{
+		Name:        "grpc.io/server/received_bytes_per_rpc",
+		Description: "Distribution of received bytes per RPC, by method.",
+		Measure:     ServerReceivedBytesPerRPC,
+		TagKeys:     []tag.Key{KeyServerMethod},
+		Aggregation: DefaultBytesDistribution,
+	}
+
+	ServerSentBytesPerRPCView = &view.View{
+		Name:        "grpc.io/server/sent_bytes_per_rpc",
+		Description: "Distribution of total sent bytes per RPC, by method.",
+		Measure:     ServerSentBytesPerRPC,
+		TagKeys:     []tag.Key{KeyServerMethod},
+		Aggregation: DefaultBytesDistribution,
+	}
+
+	ServerLatencyView = &view.View{
+		Name:        "grpc.io/server/server_latency",
+		Description: "Distribution of server latency in milliseconds, by method.",
+		TagKeys:     []tag.Key{KeyServerMethod},
+		Measure:     ServerLatency,
+		Aggregation: DefaultMillisecondsDistribution,
+	}
+
+	ServerCompletedRPCsView = &view.View{
+		Name:        "grpc.io/server/completed_rpcs",
+		Description: "Count of RPCs by method and status.",
+		TagKeys:     []tag.Key{KeyServerMethod, KeyServerStatus},
+		Measure:     ServerLatency,
+		Aggregation: view.Count(),
+	}
+
+	ServerReceivedMessagesPerRPCView = &view.View{
+		Name:        "grpc.io/server/received_messages_per_rpc",
+		Description: "Distribution of messages received count per RPC, by method.",
+		TagKeys:     []tag.Key{KeyServerMethod},
+		Measure:     ServerReceivedMessagesPerRPC,
+		Aggregation: DefaultMessageCountDistribution,
+	}
+
+	ServerSentMessagesPerRPCView = &view.View{
+		Name:        "grpc.io/server/sent_messages_per_rpc",
+		Description: "Distribution of messages sent count per RPC, by method.",
+		TagKeys:     []tag.Key{KeyServerMethod},
+		Measure:     ServerSentMessagesPerRPC,
+		Aggregation: DefaultMessageCountDistribution,
+	}
+)
+
+// DefaultServerViews are the default server views provided by this package.
+var DefaultServerViews = []*view.View{
+	ServerReceivedBytesPerRPCView,
+	ServerSentBytesPerRPCView,
+	ServerLatencyView,
+	ServerCompletedRPCsView,
+}

vendor/go.opencensus.io/plugin/ocgrpc/server_stats_handler.go

@@ -0,0 +1,63 @@
+// Copyright 2017, OpenCensus Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+package ocgrpc
+
+import (
+	"time"
+
+	"golang.org/x/net/context"
+
+	"go.opencensus.io/tag"
+	"google.golang.org/grpc/grpclog"
+	"google.golang.org/grpc/stats"
+)
+
+// statsTagRPC gets the metadata from gRPC context, extracts the encoded tags from
+// it and creates a new tag.Map and puts them into the returned context.
+func (h *ServerHandler) statsTagRPC(ctx context.Context, info *stats.RPCTagInfo) context.Context {
+	startTime := time.Now()
+	if info == nil {
+		if grpclog.V(2) {
+			grpclog.Infof("opencensus: TagRPC called with nil info.")
+		}
+		return ctx
+	}
+	d := &rpcData{
+		startTime: startTime,
+		method:    info.FullMethodName,
+	}
+	propagated := h.extractPropagatedTags(ctx)
+	ctx = tag.NewContext(ctx, propagated)
+	ctx, _ = tag.New(ctx, tag.Upsert(KeyServerMethod, methodName(info.FullMethodName)))
+	return context.WithValue(ctx, rpcDataKey, d)
+}
+
+// extractPropagatedTags creates a new tag map containing the tags extracted from the
+// gRPC metadata.
+func (h *ServerHandler) extractPropagatedTags(ctx context.Context) *tag.Map {
+	buf := stats.Tags(ctx)
+	if buf == nil {
+		return nil
+	}
+	propagated, err := tag.Decode(buf)
+	if err != nil {
+		if grpclog.V(2) {
+			grpclog.Warningf("opencensus: Failed to decode tags from gRPC metadata failed to decode: %v", err)
+		}
+		return nil
+	}
+	return propagated
+}

vendor/go.opencensus.io/plugin/ocgrpc/stats_common.go

@@ -0,0 +1,208 @@
+// Copyright 2017, OpenCensus Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+package ocgrpc
+
+import (
+	"context"
+	"strconv"
+	"strings"
+	"sync/atomic"
+	"time"
+
+	ocstats "go.opencensus.io/stats"
+	"go.opencensus.io/stats/view"
+	"go.opencensus.io/tag"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/grpclog"
+	"google.golang.org/grpc/stats"
+	"google.golang.org/grpc/status"
+)
+
+type grpcInstrumentationKey string
+
+// rpcData holds the instrumentation RPC data that is needed between the start
+// and end of an call. It holds the info that this package needs to keep track
+// of between the various GRPC events.
+type rpcData struct {
+	// reqCount and respCount has to be the first words
+	// in order to be 64-aligned on 32-bit architectures.
+	sentCount, sentBytes, recvCount, recvBytes int64 // access atomically
+
+	// startTime represents the time at which TagRPC was invoked at the
+	// beginning of an RPC. It is an appoximation of the time when the
+	// application code invoked GRPC code.
+	startTime time.Time
+	method    string
+}
+
+// The following variables define the default hard-coded auxiliary data used by
+// both the default GRPC client and GRPC server metrics.
+var (
+	DefaultBytesDistribution        = view.Distribution(1024, 2048, 4096, 16384, 65536, 262144, 1048576, 4194304, 16777216, 67108864, 268435456, 1073741824, 4294967296)
+	DefaultMillisecondsDistribution = view.Distribution(0.01, 0.05, 0.1, 0.3, 0.6, 0.8, 1, 2, 3, 4, 5, 6, 8, 10, 13, 16, 20, 25, 30, 40, 50, 65, 80, 100, 130, 160, 200, 250, 300, 400, 500, 650, 800, 1000, 2000, 5000, 10000, 20000, 50000, 100000)
+	DefaultMessageCountDistribution = view.Distribution(1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536)
+)
+
+// Server tags are applied to the context used to process each RPC, as well as
+// the measures at the end of each RPC.
+var (
+	KeyServerMethod, _ = tag.NewKey("grpc_server_method")
+	KeyServerStatus, _ = tag.NewKey("grpc_server_status")
+)
+
+// Client tags are applied to measures at the end of each RPC.
+var (
+	KeyClientMethod, _ = tag.NewKey("grpc_client_method")
+	KeyClientStatus, _ = tag.NewKey("grpc_client_status")
+)
+
+var (
+	rpcDataKey = grpcInstrumentationKey("opencensus-rpcData")
+)
+
+func methodName(fullname string) string {
+	return strings.TrimLeft(fullname, "/")
+}
+
+// statsHandleRPC processes the RPC events.
+func statsHandleRPC(ctx context.Context, s stats.RPCStats) {
+	switch st := s.(type) {
+	case *stats.Begin, *stats.OutHeader, *stats.InHeader, *stats.InTrailer, *stats.OutTrailer:
+		// do nothing for client
+	case *stats.OutPayload:
+		handleRPCOutPayload(ctx, st)
+	case *stats.InPayload:
+		handleRPCInPayload(ctx, st)
+	case *stats.End:
+		handleRPCEnd(ctx, st)
+	default:
+		grpclog.Infof("unexpected stats: %T", st)
+	}
+}
+
+func handleRPCOutPayload(ctx context.Context, s *stats.OutPayload) {
+	d, ok := ctx.Value(rpcDataKey).(*rpcData)
+	if !ok {
+		if grpclog.V(2) {
+			grpclog.Infoln("Failed to retrieve *rpcData from context.")
+		}
+		return
+	}
+
+	atomic.AddInt64(&d.sentBytes, int64(s.Length))
+	atomic.AddInt64(&d.sentCount, 1)
+}
+
+func handleRPCInPayload(ctx context.Context, s *stats.InPayload) {
+	d, ok := ctx.Value(rpcDataKey).(*rpcData)
+	if !ok {
+		if grpclog.V(2) {
+			grpclog.Infoln("Failed to retrieve *rpcData from context.")
+		}
+		return
+	}
+
+	atomic.AddInt64(&d.recvBytes, int64(s.Length))
+	atomic.AddInt64(&d.recvCount, 1)
+}
+
+func handleRPCEnd(ctx context.Context, s *stats.End) {
+	d, ok := ctx.Value(rpcDataKey).(*rpcData)
+	if !ok {
+		if grpclog.V(2) {
+			grpclog.Infoln("Failed to retrieve *rpcData from context.")
+		}
+		return
+	}
+
+	elapsedTime := time.Since(d.startTime)
+
+	var st string
+	if s.Error != nil {
+		s, ok := status.FromError(s.Error)
+		if ok {
+			st = statusCodeToString(s)
+		}
+	} else {
+		st = "OK"
+	}
+
+	latencyMillis := float64(elapsedTime) / float64(time.Millisecond)
+	if s.Client {
+		ocstats.RecordWithTags(ctx,
+			[]tag.Mutator{
+				tag.Upsert(KeyClientMethod, methodName(d.method)),
+				tag.Upsert(KeyClientStatus, st),
+			},
+			ClientSentBytesPerRPC.M(atomic.LoadInt64(&d.sentBytes)),
+			ClientSentMessagesPerRPC.M(atomic.LoadInt64(&d.sentCount)),
+			ClientReceivedMessagesPerRPC.M(atomic.LoadInt64(&d.recvCount)),
+			ClientReceivedBytesPerRPC.M(atomic.LoadInt64(&d.recvBytes)),
+			ClientRoundtripLatency.M(latencyMillis))
+	} else {
+		ocstats.RecordWithTags(ctx,
+			[]tag.Mutator{
+				tag.Upsert(KeyServerStatus, st),
+			},
+			ServerSentBytesPerRPC.M(atomic.LoadInt64(&d.sentBytes)),
+			ServerSentMessagesPerRPC.M(atomic.LoadInt64(&d.sentCount)),
+			ServerReceivedMessagesPerRPC.M(atomic.LoadInt64(&d.recvCount)),
+			ServerReceivedBytesPerRPC.M(atomic.LoadInt64(&d.recvBytes)),
+			ServerLatency.M(latencyMillis))
+	}
+}
+
+func statusCodeToString(s *status.Status) string {
+	// see https://github.com/grpc/grpc/blob/master/doc/statuscodes.md
+	switch c := s.Code(); c {
+	case codes.OK:
+		return "OK"
+	case codes.Canceled:
+		return "CANCELLED"
+	case codes.Unknown:
+		return "UNKNOWN"
+	case codes.InvalidArgument:
+		return "INVALID_ARGUMENT"
+	case codes.DeadlineExceeded:
+		return "DEADLINE_EXCEEDED"
+	case codes.NotFound:
+		return "NOT_FOUND"
+	case codes.AlreadyExists:
+		return "ALREADY_EXISTS"
+	case codes.PermissionDenied:
+		return "PERMISSION_DENIED"
+	case codes.ResourceExhausted:
+		return "RESOURCE_EXHAUSTED"
+	case codes.FailedPrecondition:
+		return "FAILED_PRECONDITION"
+	case codes.Aborted:
+		return "ABORTED"
+	case codes.OutOfRange:
+		return "OUT_OF_RANGE"
+	case codes.Unimplemented:
+		return "UNIMPLEMENTED"
+	case codes.Internal:
+		return "INTERNAL"
+	case codes.Unavailable:
+		return "UNAVAILABLE"
+	case codes.DataLoss:
+		return "DATA_LOSS"
+	case codes.Unauthenticated:
+		return "UNAUTHENTICATED"
+	default:
+		return "CODE_" + strconv.FormatInt(int64(c), 10)
+	}
+}

vendor/go.opencensus.io/plugin/ocgrpc/trace_common.go

@@ -0,0 +1,107 @@
+// Copyright 2017, OpenCensus Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package ocgrpc
+
+import (
+	"strings"
+
+	"google.golang.org/grpc/codes"
+
+	"go.opencensus.io/trace"
+	"go.opencensus.io/trace/propagation"
+	"golang.org/x/net/context"
+	"google.golang.org/grpc/metadata"
+	"google.golang.org/grpc/stats"
+	"google.golang.org/grpc/status"
+)
+
+const traceContextKey = "grpc-trace-bin"
+
+// TagRPC creates a new trace span for the client side of the RPC.
+//
+// It returns ctx with the new trace span added and a serialization of the
+// SpanContext added to the outgoing gRPC metadata.
+func (c *ClientHandler) traceTagRPC(ctx context.Context, rti *stats.RPCTagInfo) context.Context {
+	name := strings.TrimPrefix(rti.FullMethodName, "/")
+	name = strings.Replace(name, "/", ".", -1)
+	ctx, span := trace.StartSpan(ctx, name,
+		trace.WithSampler(c.StartOptions.Sampler),
+		trace.WithSpanKind(trace.SpanKindClient)) // span is ended by traceHandleRPC
+	traceContextBinary := propagation.Binary(span.SpanContext())
+	return metadata.AppendToOutgoingContext(ctx, traceContextKey, string(traceContextBinary))
+}
+
+// TagRPC creates a new trace span for the server side of the RPC.
+//
+// It checks the incoming gRPC metadata in ctx for a SpanContext, and if
+// it finds one, uses that SpanContext as the parent context of the new span.
+//
+// It returns ctx, with the new trace span added.
+func (s *ServerHandler) traceTagRPC(ctx context.Context, rti *stats.RPCTagInfo) context.Context {
+	md, _ := metadata.FromIncomingContext(ctx)
+	name := strings.TrimPrefix(rti.FullMethodName, "/")
+	name = strings.Replace(name, "/", ".", -1)
+	traceContext := md[traceContextKey]
+	var (
+		parent     trace.SpanContext
+		haveParent bool
+	)
+	if len(traceContext) > 0 {
+		// Metadata with keys ending in -bin are actually binary. They are base64
+		// encoded before being put on the wire, see:
+		// https://github.com/grpc/grpc-go/blob/08d6261/Documentation/grpc-metadata.md#storing-binary-data-in-metadata
+		traceContextBinary := []byte(traceContext[0])
+		parent, haveParent = propagation.FromBinary(traceContextBinary)
+		if haveParent && !s.IsPublicEndpoint {
+			ctx, _ := trace.StartSpanWithRemoteParent(ctx, name, parent,
+				trace.WithSpanKind(trace.SpanKindServer),
+				trace.WithSampler(s.StartOptions.Sampler),
+			)
+			return ctx
+		}
+	}
+	ctx, span := trace.StartSpan(ctx, name,
+		trace.WithSpanKind(trace.SpanKindServer),
+		trace.WithSampler(s.StartOptions.Sampler))
+	if haveParent {
+		span.AddLink(trace.Link{TraceID: parent.TraceID, SpanID: parent.SpanID, Type: trace.LinkTypeChild})
+	}
+	return ctx
+}
+
+func traceHandleRPC(ctx context.Context, rs stats.RPCStats) {
+	span := trace.FromContext(ctx)
+	// TODO: compressed and uncompressed sizes are not populated in every message.
+	switch rs := rs.(type) {
+	case *stats.Begin:
+		span.AddAttributes(
+			trace.BoolAttribute("Client", rs.Client),
+			trace.BoolAttribute("FailFast", rs.FailFast))
+	case *stats.InPayload:
+		span.AddMessageReceiveEvent(0 /* TODO: messageID */, int64(rs.Length), int64(rs.WireLength))
+	case *stats.OutPayload:
+		span.AddMessageSendEvent(0, int64(rs.Length), int64(rs.WireLength))
+	case *stats.End:
+		if rs.Error != nil {
+			s, ok := status.FromError(rs.Error)
+			if ok {
+				span.SetStatus(trace.Status{Code: int32(s.Code()), Message: s.Message()})
+			} else {
+				span.SetStatus(trace.Status{Code: int32(codes.Internal), Message: rs.Error.Error()})
+			}
+		}
+		span.End()
+	}
+}

vendor/go.opencensus.io/plugin/ochttp/client_stats.go

@@ -34,8 +34,8 @@ type statsTransport struct {
 // RoundTrip implements http.RoundTripper, delegating to Base and recording stats for the request.
 func (t statsTransport) RoundTrip(req *http.Request) (*http.Response, error) {
 	ctx, _ := tag.New(req.Context(),
-		tag.Upsert(KeyClientHost, req.URL.Host),
+		tag.Upsert(KeyClientHost, req.Host),
-		tag.Upsert(Host, req.URL.Host),
+		tag.Upsert(Host, req.Host),
 		tag.Upsert(KeyClientPath, req.URL.Path),
 		tag.Upsert(Path, req.URL.Path),
 		tag.Upsert(KeyClientMethod, req.Method),
@@ -68,7 +68,7 @@ func (t statsTransport) RoundTrip(req *http.Request) (*http.Response, error) {
 			track.end()
 		} else {
 			track.body = resp.Body
-			resp.Body = track
+			resp.Body = wrappedBody(track, resp.Body)
 		}
 	}
 	return resp, err

vendor/go.opencensus.io/plugin/ochttp/propagation/b3/b3.go

@@ -38,7 +38,7 @@ const (
 // because there are additional fields not represented in the
 // OpenCensus span context. Spans created from the incoming
 // header will be the direct children of the client-side span.
-// Similarly, reciever of the outgoing spans should use client-side
+// Similarly, receiver of the outgoing spans should use client-side
 // span created by OpenCensus as the parent.
 type HTTPFormat struct{}