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Regenerate XDR for empty struct types

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This commit is contained in:
Jakob Borg 2015-11-24 20:54:49 +01:00
parent 30374d46c9
commit e5b33ce9f6
5 changed files with 86 additions and 108 deletions
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2
Godeps/Godeps.json generated
View File

@ -19,7 +19,7 @@
},
{
"ImportPath": "github.com/calmh/xdr",
"Rev": "47c0042d09a827b81ee62497f99e5e0c7f0bd31c"
"Rev": "9eb3e1a622d9364deb39c831f7e5f164393d7e37"
},
{
"ImportPath": "github.com/golang/snappy",

50
Godeps/_workspace/src/github.com/calmh/xdr/cmd/genxdr/main.go generated vendored
View File

@ -171,6 +171,39 @@ func (o *{{.TypeName}}) DecodeXDRFrom(xr *xdr.Reader) error {
return xr.Error()
}`))
var emptyTypeTpl = template.Must(template.New("encoder").Parse(`
func (o {{.TypeName}}) EncodeXDR(w io.Writer) (int, error) {
return 0, nil
}//+n
func (o {{.TypeName}}) MarshalXDR() ([]byte, error) {
return nil, nil
}//+n
func (o {{.TypeName}}) MustMarshalXDR() []byte {
return nil
}//+n
func (o {{.TypeName}}) AppendXDR(bs []byte) ([]byte, error) {
return bs, nil
}//+n
func (o {{.TypeName}}) EncodeXDRInto(xw *xdr.Writer) (int, error) {
return xw.Tot(), xw.Error()
}//+n
func (o *{{.TypeName}}) DecodeXDR(r io.Reader) error {
return nil
}//+n
func (o *{{.TypeName}}) UnmarshalXDR(bs []byte) error {
return nil
}//+n
func (o *{{.TypeName}}) DecodeXDRFrom(xr *xdr.Reader) error {
return xr.Error()
}`))
var maxRe = regexp.MustCompile(`(?:\Wmax:)(\d+)(?:\s*,\s*(\d+))?`)
type typeSet struct {
@ -300,7 +333,14 @@ func generateCode(output io.Writer, s structInfo) {
fs := s.Fields
var buf bytes.Buffer
err := encodeTpl.Execute(&buf, map[string]interface{}{"TypeName": name, "Fields": fs})
var err error
if len(fs) == 0 {
// This is an empty type. We can create a quite simple codec for it.
err = emptyTypeTpl.Execute(&buf, map[string]interface{}{"TypeName": name})
} else {
// Generate with the default template.
err = encodeTpl.Execute(&buf, map[string]interface{}{"TypeName": name, "Fields": fs})
}
if err != nil {
panic(err)
}
@ -326,6 +366,14 @@ func generateDiagram(output io.Writer, s structInfo) {
fs := s.Fields
fmt.Fprintln(output, sn+" Structure:")
if len(fs) == 0 {
fmt.Fprintln(output, "(contains no fields)")
fmt.Fprintln(output)
fmt.Fprintln(output)
return
}
fmt.Fprintln(output)
fmt.Fprintln(output, " 0 1 2 3")
fmt.Fprintln(output, " 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1")

2
build.go
View File

@ -405,7 +405,7 @@ func assets() {
}
func xdr() {
runPrint("go", "generate", "./lib/discover", "./lib/db", "./lib/protocol")
runPrint("go", "generate", "./lib/discover", "./lib/db", "./lib/protocol", "./lib/relay/protocol")
}
func translate() {

28
lib/protocol/message_xdr.go
View File

@ -1152,10 +1152,7 @@ func (o *CloseMessage) DecodeXDRFrom(xr *xdr.Reader) error {
/*
EmptyMessage Structure:
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
(contains no fields)
struct EmptyMessage {
@ -1164,27 +1161,19 @@ struct EmptyMessage {
*/
func (o EmptyMessage) EncodeXDR(w io.Writer) (int, error) {
var xw = xdr.NewWriter(w)
return o.EncodeXDRInto(xw)
return 0, nil
}
func (o EmptyMessage) MarshalXDR() ([]byte, error) {
return o.AppendXDR(make([]byte, 0, 128))
return nil, nil
}
func (o EmptyMessage) MustMarshalXDR() []byte {
bs, err := o.MarshalXDR()
if err != nil {
panic(err)
}
return bs
return nil
}
func (o EmptyMessage) AppendXDR(bs []byte) ([]byte, error) {
var aw = xdr.AppendWriter(bs)
var xw = xdr.NewWriter(&aw)
_, err := o.EncodeXDRInto(xw)
return []byte(aw), err
return bs, nil
}
func (o EmptyMessage) EncodeXDRInto(xw *xdr.Writer) (int, error) {
@ -1192,14 +1181,11 @@ func (o EmptyMessage) EncodeXDRInto(xw *xdr.Writer) (int, error) {
}
func (o *EmptyMessage) DecodeXDR(r io.Reader) error {
xr := xdr.NewReader(r)
return o.DecodeXDRFrom(xr)
return nil
}
func (o *EmptyMessage) UnmarshalXDR(bs []byte) error {
var br = bytes.NewReader(bs)
var xr = xdr.NewReader(br)
return o.DecodeXDRFrom(xr)
return nil
}
func (o *EmptyMessage) DecodeXDRFrom(xr *xdr.Reader) error {

112
lib/relay/protocol/packets_xdr.go
View File

@ -86,10 +86,7 @@ func (o *header) DecodeXDRFrom(xr *xdr.Reader) error {
/*
Ping Structure:
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
(contains no fields)
struct Ping {
@ -98,27 +95,19 @@ struct Ping {
*/
func (o Ping) EncodeXDR(w io.Writer) (int, error) {
var xw = xdr.NewWriter(w)
return o.EncodeXDRInto(xw)
return 0, nil
}
func (o Ping) MarshalXDR() ([]byte, error) {
return o.AppendXDR(make([]byte, 0, 128))
return nil, nil
}
func (o Ping) MustMarshalXDR() []byte {
bs, err := o.MarshalXDR()
if err != nil {
panic(err)
}
return bs
return nil
}
func (o Ping) AppendXDR(bs []byte) ([]byte, error) {
var aw = xdr.AppendWriter(bs)
var xw = xdr.NewWriter(&aw)
_, err := o.EncodeXDRInto(xw)
return []byte(aw), err
return bs, nil
}
func (o Ping) EncodeXDRInto(xw *xdr.Writer) (int, error) {
@ -126,14 +115,11 @@ func (o Ping) EncodeXDRInto(xw *xdr.Writer) (int, error) {
}
func (o *Ping) DecodeXDR(r io.Reader) error {
xr := xdr.NewReader(r)
return o.DecodeXDRFrom(xr)
return nil
}
func (o *Ping) UnmarshalXDR(bs []byte) error {
var br = bytes.NewReader(bs)
var xr = xdr.NewReader(br)
return o.DecodeXDRFrom(xr)
return nil
}
func (o *Ping) DecodeXDRFrom(xr *xdr.Reader) error {
@ -143,10 +129,7 @@ func (o *Ping) DecodeXDRFrom(xr *xdr.Reader) error {
/*
Pong Structure:
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
(contains no fields)
struct Pong {
@ -155,27 +138,19 @@ struct Pong {
*/
func (o Pong) EncodeXDR(w io.Writer) (int, error) {
var xw = xdr.NewWriter(w)
return o.EncodeXDRInto(xw)
return 0, nil
}
func (o Pong) MarshalXDR() ([]byte, error) {
return o.AppendXDR(make([]byte, 0, 128))
return nil, nil
}
func (o Pong) MustMarshalXDR() []byte {
bs, err := o.MarshalXDR()
if err != nil {
panic(err)
}
return bs
return nil
}
func (o Pong) AppendXDR(bs []byte) ([]byte, error) {
var aw = xdr.AppendWriter(bs)
var xw = xdr.NewWriter(&aw)
_, err := o.EncodeXDRInto(xw)
return []byte(aw), err
return bs, nil
}
func (o Pong) EncodeXDRInto(xw *xdr.Writer) (int, error) {
@ -183,14 +158,11 @@ func (o Pong) EncodeXDRInto(xw *xdr.Writer) (int, error) {
}
func (o *Pong) DecodeXDR(r io.Reader) error {
xr := xdr.NewReader(r)
return o.DecodeXDRFrom(xr)
return nil
}
func (o *Pong) UnmarshalXDR(bs []byte) error {
var br = bytes.NewReader(bs)
var xr = xdr.NewReader(br)
return o.DecodeXDRFrom(xr)
return nil
}
func (o *Pong) DecodeXDRFrom(xr *xdr.Reader) error {
@ -200,10 +172,7 @@ func (o *Pong) DecodeXDRFrom(xr *xdr.Reader) error {
/*
JoinRelayRequest Structure:
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
(contains no fields)
struct JoinRelayRequest {
@ -212,27 +181,19 @@ struct JoinRelayRequest {
*/
func (o JoinRelayRequest) EncodeXDR(w io.Writer) (int, error) {
var xw = xdr.NewWriter(w)
return o.EncodeXDRInto(xw)
return 0, nil
}
func (o JoinRelayRequest) MarshalXDR() ([]byte, error) {
return o.AppendXDR(make([]byte, 0, 128))
return nil, nil
}
func (o JoinRelayRequest) MustMarshalXDR() []byte {
bs, err := o.MarshalXDR()
if err != nil {
panic(err)
}
return bs
return nil
}
func (o JoinRelayRequest) AppendXDR(bs []byte) ([]byte, error) {
var aw = xdr.AppendWriter(bs)
var xw = xdr.NewWriter(&aw)
_, err := o.EncodeXDRInto(xw)
return []byte(aw), err
return bs, nil
}
func (o JoinRelayRequest) EncodeXDRInto(xw *xdr.Writer) (int, error) {
@ -240,14 +201,11 @@ func (o JoinRelayRequest) EncodeXDRInto(xw *xdr.Writer) (int, error) {
}
func (o *JoinRelayRequest) DecodeXDR(r io.Reader) error {
xr := xdr.NewReader(r)
return o.DecodeXDRFrom(xr)
return nil
}
func (o *JoinRelayRequest) UnmarshalXDR(bs []byte) error {
var br = bytes.NewReader(bs)
var xr = xdr.NewReader(br)
return o.DecodeXDRFrom(xr)
return nil
}
func (o *JoinRelayRequest) DecodeXDRFrom(xr *xdr.Reader) error {
@ -257,10 +215,7 @@ func (o *JoinRelayRequest) DecodeXDRFrom(xr *xdr.Reader) error {
/*
RelayFull Structure:
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
(contains no fields)
struct RelayFull {
@ -269,27 +224,19 @@ struct RelayFull {
*/
func (o RelayFull) EncodeXDR(w io.Writer) (int, error) {
var xw = xdr.NewWriter(w)
return o.EncodeXDRInto(xw)
return 0, nil
}
func (o RelayFull) MarshalXDR() ([]byte, error) {
return o.AppendXDR(make([]byte, 0, 128))
return nil, nil
}
func (o RelayFull) MustMarshalXDR() []byte {
bs, err := o.MarshalXDR()
if err != nil {
panic(err)
}
return bs
return nil
}
func (o RelayFull) AppendXDR(bs []byte) ([]byte, error) {
var aw = xdr.AppendWriter(bs)
var xw = xdr.NewWriter(&aw)
_, err := o.EncodeXDRInto(xw)
return []byte(aw), err
return bs, nil
}
func (o RelayFull) EncodeXDRInto(xw *xdr.Writer) (int, error) {
@ -297,14 +244,11 @@ func (o RelayFull) EncodeXDRInto(xw *xdr.Writer) (int, error) {
}
func (o *RelayFull) DecodeXDR(r io.Reader) error {
xr := xdr.NewReader(r)
return o.DecodeXDRFrom(xr)
return nil
}
func (o *RelayFull) UnmarshalXDR(bs []byte) error {
var br = bytes.NewReader(bs)
var xr = xdr.NewReader(br)
return o.DecodeXDRFrom(xr)
return nil
}
func (o *RelayFull) DecodeXDRFrom(xr *xdr.Reader) error {