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/*
*
* Copyright 2024 gRPC 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 provides internal stats related functionality.
package stats
import "context"
// Labels are the labels for metrics.
type Labels struct {
// TelemetryLabels are the telemetry labels to record.
TelemetryLabels map[string]string
}
type labelsKey struct{}
// GetLabels returns the Labels stored in the context, or nil if there is one.
func GetLabels(ctx context.Context) *Labels {
labels, _ := ctx.Value(labelsKey{}).(*Labels)
return labels
}
// SetLabels sets the Labels in the context.
func SetLabels(ctx context.Context, labels *Labels) context.Context {
// could also append
return context.WithValue(ctx, labelsKey{}, labels)
}
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