diff options
Diffstat (limited to 'vendor/google.golang.org/grpc/stats/stats.go')
| -rw-r--r-- | vendor/google.golang.org/grpc/stats/stats.go | 74 |
1 files changed, 16 insertions, 58 deletions
diff --git a/vendor/google.golang.org/grpc/stats/stats.go b/vendor/google.golang.org/grpc/stats/stats.go index 71195c494..6f20d2d54 100644 --- a/vendor/google.golang.org/grpc/stats/stats.go +++ b/vendor/google.golang.org/grpc/stats/stats.go @@ -260,84 +260,42 @@ func (s *ConnEnd) IsClient() bool { return s.Client } func (s *ConnEnd) isConnStats() {} -type incomingTagsKey struct{} -type outgoingTagsKey struct{} - // SetTags attaches stats tagging data to the context, which will be sent in // the outgoing RPC with the header grpc-tags-bin. Subsequent calls to // SetTags will overwrite the values from earlier calls. // -// NOTE: this is provided only for backward compatibility with existing clients -// and will likely be removed in an upcoming release. New uses should transmit -// this type of data using metadata with a different, non-reserved (i.e. does -// not begin with "grpc-") header name. +// Deprecated: set the `grpc-tags-bin` header in the metadata instead. func SetTags(ctx context.Context, b []byte) context.Context { - return context.WithValue(ctx, outgoingTagsKey{}, b) + return metadata.AppendToOutgoingContext(ctx, "grpc-tags-bin", string(b)) } // Tags returns the tags from the context for the inbound RPC. // -// NOTE: this is provided only for backward compatibility with existing clients -// and will likely be removed in an upcoming release. New uses should transmit -// this type of data using metadata with a different, non-reserved (i.e. does -// not begin with "grpc-") header name. +// Deprecated: obtain the `grpc-tags-bin` header from metadata instead. func Tags(ctx context.Context) []byte { - b, _ := ctx.Value(incomingTagsKey{}).([]byte) - return b -} - -// SetIncomingTags attaches stats tagging data to the context, to be read by -// the application (not sent in outgoing RPCs). -// -// This is intended for gRPC-internal use ONLY. -func SetIncomingTags(ctx context.Context, b []byte) context.Context { - return context.WithValue(ctx, incomingTagsKey{}, b) -} - -// OutgoingTags returns the tags from the context for the outbound RPC. -// -// This is intended for gRPC-internal use ONLY. -func OutgoingTags(ctx context.Context) []byte { - b, _ := ctx.Value(outgoingTagsKey{}).([]byte) - return b + traceValues := metadata.ValueFromIncomingContext(ctx, "grpc-tags-bin") + if len(traceValues) == 0 { + return nil + } + return []byte(traceValues[len(traceValues)-1]) } -type incomingTraceKey struct{} -type outgoingTraceKey struct{} - // SetTrace attaches stats tagging data to the context, which will be sent in // the outgoing RPC with the header grpc-trace-bin. Subsequent calls to // SetTrace will overwrite the values from earlier calls. // -// NOTE: this is provided only for backward compatibility with existing clients -// and will likely be removed in an upcoming release. New uses should transmit -// this type of data using metadata with a different, non-reserved (i.e. does -// not begin with "grpc-") header name. +// Deprecated: set the `grpc-trace-bin` header in the metadata instead. func SetTrace(ctx context.Context, b []byte) context.Context { - return context.WithValue(ctx, outgoingTraceKey{}, b) + return metadata.AppendToOutgoingContext(ctx, "grpc-trace-bin", string(b)) } // Trace returns the trace from the context for the inbound RPC. // -// NOTE: this is provided only for backward compatibility with existing clients -// and will likely be removed in an upcoming release. New uses should transmit -// this type of data using metadata with a different, non-reserved (i.e. does -// not begin with "grpc-") header name. +// Deprecated: obtain the `grpc-trace-bin` header from metadata instead. func Trace(ctx context.Context) []byte { - b, _ := ctx.Value(incomingTraceKey{}).([]byte) - return b -} - -// SetIncomingTrace attaches stats tagging data to the context, to be read by -// the application (not sent in outgoing RPCs). It is intended for -// gRPC-internal use. -func SetIncomingTrace(ctx context.Context, b []byte) context.Context { - return context.WithValue(ctx, incomingTraceKey{}, b) -} - -// OutgoingTrace returns the trace from the context for the outbound RPC. It is -// intended for gRPC-internal use. -func OutgoingTrace(ctx context.Context) []byte { - b, _ := ctx.Value(outgoingTraceKey{}).([]byte) - return b + traceValues := metadata.ValueFromIncomingContext(ctx, "grpc-trace-bin") + if len(traceValues) == 0 { + return nil + } + return []byte(traceValues[len(traceValues)-1]) } |