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94 lines
2.9 KiB
Go
94 lines
2.9 KiB
Go
// Copyright 2018, OpenCensus Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package ocagent
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import "time"
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const (
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DefaultAgentPort uint16 = 55678
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DefaultAgentHost string = "localhost"
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)
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type ExporterOption interface {
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withExporter(e *Exporter)
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}
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type insecureGrpcConnection int
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var _ ExporterOption = (*insecureGrpcConnection)(nil)
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func (igc *insecureGrpcConnection) withExporter(e *Exporter) {
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e.canDialInsecure = true
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}
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// WithInsecure disables client transport security for the exporter's gRPC connection
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// just like grpc.WithInsecure() https://godoc.org/google.golang.org/grpc#WithInsecure
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// does. Note, by default, client security is required unless WithInsecure is used.
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func WithInsecure() ExporterOption { return new(insecureGrpcConnection) }
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type addressSetter string
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func (as addressSetter) withExporter(e *Exporter) {
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e.agentAddress = string(as)
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}
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var _ ExporterOption = (*addressSetter)(nil)
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// WithAddress allows one to set the address that the exporter will
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// connect to the agent on. If unset, it will instead try to use
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// connect to DefaultAgentHost:DefaultAgentPort
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func WithAddress(addr string) ExporterOption {
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return addressSetter(addr)
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}
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type serviceNameSetter string
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func (sns serviceNameSetter) withExporter(e *Exporter) {
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e.serviceName = string(sns)
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}
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var _ ExporterOption = (*serviceNameSetter)(nil)
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// WithServiceName allows one to set/override the service name
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// that the exporter will report to the agent.
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func WithServiceName(serviceName string) ExporterOption {
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return serviceNameSetter(serviceName)
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}
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type reconnectionPeriod time.Duration
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func (rp reconnectionPeriod) withExporter(e *Exporter) {
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e.reconnectionPeriod = time.Duration(rp)
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}
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func WithReconnectionPeriod(rp time.Duration) ExporterOption {
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return reconnectionPeriod(rp)
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}
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type compressorSetter string
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func (c compressorSetter) withExporter(e *Exporter) {
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e.compressor = string(c)
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}
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// UseCompressor will set the compressor for the gRPC client to use when sending requests.
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// It is the responsibility of the caller to ensure that the compressor set has been registered
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// with google.golang.org/grpc/encoding. This can be done by encoding.RegisterCompressor. Some
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// compressors auto-register on import, such as gzip, which can be registered by calling
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// `import _ "google.golang.org/grpc/encoding/gzip"`
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func UseCompressor(compressorName string) ExporterOption {
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return compressorSetter(compressorName)
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}
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