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-rw-r--r--vendor/go.opencensus.io/stats/record.go52
1 files changed, 52 insertions, 0 deletions
diff --git a/vendor/go.opencensus.io/stats/record.go b/vendor/go.opencensus.io/stats/record.go
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+++ b/vendor/go.opencensus.io/stats/record.go
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+// 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 stats
+
+import (
+ "context"
+
+ "go.opencensus.io/stats/internal"
+ "go.opencensus.io/tag"
+)
+
+func init() {
+ internal.SubscriptionReporter = func(measure string) {
+ mu.Lock()
+ measures[measure].subscribe()
+ mu.Unlock()
+ }
+}
+
+// Record records one or multiple measurements with the same tags at once.
+// If there are any tags in the context, measurements will be tagged with them.
+func Record(ctx context.Context, ms ...Measurement) {
+ if len(ms) == 0 {
+ return
+ }
+ var record bool
+ for _, m := range ms {
+ if (m != Measurement{}) {
+ record = true
+ break
+ }
+ }
+ if !record {
+ return
+ }
+ if internal.DefaultRecorder != nil {
+ internal.DefaultRecorder(tag.FromContext(ctx), ms)
+ }
+}