diff options
Diffstat (limited to 'vendor/go.opencensus.io/plugin/ocgrpc/server_stats_handler.go')
-rw-r--r-- | vendor/go.opencensus.io/plugin/ocgrpc/server_stats_handler.go | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/vendor/go.opencensus.io/plugin/ocgrpc/server_stats_handler.go b/vendor/go.opencensus.io/plugin/ocgrpc/server_stats_handler.go deleted file mode 100644 index 7847c1a..0000000 --- a/vendor/go.opencensus.io/plugin/ocgrpc/server_stats_handler.go +++ /dev/null @@ -1,63 +0,0 @@ -// 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 -} |