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Diffstat (limited to 'vendor/go.opencensus.io/plugin/ocgrpc/server.go')
| -rw-r--r-- | vendor/go.opencensus.io/plugin/ocgrpc/server.go | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/vendor/go.opencensus.io/plugin/ocgrpc/server.go b/vendor/go.opencensus.io/plugin/ocgrpc/server.go deleted file mode 100644 index b67b3e2..0000000 --- a/vendor/go.opencensus.io/plugin/ocgrpc/server.go +++ /dev/null @@ -1,80 +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 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 -} |