forked from mirrors/gotosocial
48 lines
1.6 KiB
Go
48 lines
1.6 KiB
Go
|
// Copyright The OpenTelemetry 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 otel // import "go.opentelemetry.io/otel"
|
||
|
|
|
||
|
|
import (
|
||
|
|
"go.opentelemetry.io/otel/internal/global"
|
||
|
|
"go.opentelemetry.io/otel/trace"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Tracer creates a named tracer that implements Tracer interface.
|
||
|
|
// If the name is an empty string then provider uses default name.
|
||
|
|
//
|
||
|
|
// This is short for GetTracerProvider().Tracer(name, opts...)
|
||
|
|
func Tracer(name string, opts ...trace.TracerOption) trace.Tracer {
|
||
|
|
return GetTracerProvider().Tracer(name, opts...)
|
||
|
|
}
|
||
|
|
|
||
|
|
// GetTracerProvider returns the registered global trace provider.
|
||
|
|
// If none is registered then an instance of NoopTracerProvider is returned.
|
||
|
|
//
|
||
|
|
// Use the trace provider to create a named tracer. E.g.
|
||
|
|
//
|
||
|
|
// tracer := otel.GetTracerProvider().Tracer("example.com/foo")
|
||
|
|
//
|
||
|
|
// or
|
||
|
|
//
|
||
|
|
// tracer := otel.Tracer("example.com/foo")
|
||
|
|
func GetTracerProvider() trace.TracerProvider {
|
||
|
|
return global.TracerProvider()
|
||
|
|
}
|
||
|
|
|
||
|
|
// SetTracerProvider registers `tp` as the global trace provider.
|
||
|
|
func SetTracerProvider(tp trace.TracerProvider) {
|
||
|
|
global.SetTracerProvider(tp)
|
||
|
|
}
|