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// Copyright 2023 The Matrix.org Foundation C.I.C.
//
// 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 internal
import (
"context"
"runtime/trace"
"github.com/opentracing/opentracing-go"
)
type Trace struct {
span opentracing.Span
region *trace.Region
task *trace.Task
}
func StartTask(inCtx context.Context, name string) (Trace, context.Context) {
ctx, task := trace.NewTask(inCtx, name)
span, ctx := opentracing.StartSpanFromContext(ctx, name)
return Trace{
span: span,
task: task,
}, ctx
}
func StartRegion(inCtx context.Context, name string) (Trace, context.Context) {
region := trace.StartRegion(inCtx, name)
span, ctx := opentracing.StartSpanFromContext(inCtx, name)
return Trace{
span: span,
region: region,
}, ctx
}
func (t Trace) EndRegion() {
t.span.Finish()
if t.region != nil {
t.region.End()
}
}
func (t Trace) EndTask() {
t.span.Finish()
if t.task != nil {
t.task.End()
}
}
func (t Trace) SetTag(key string, value any) {
t.span.SetTag(key, value)
}
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