mirror of
https://github.com/matrix-org/dendrite
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232aef016c
This allows us in almost all places to use regions to further trace down long running tasks. Also removes an unused function.
64 lines
1.5 KiB
Go
64 lines
1.5 KiB
Go
// Copyright 2023 The Matrix.org Foundation C.I.C.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package internal
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import (
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"context"
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"runtime/trace"
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"github.com/opentracing/opentracing-go"
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)
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type Trace struct {
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span opentracing.Span
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region *trace.Region
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task *trace.Task
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}
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func StartTask(inCtx context.Context, name string) (Trace, context.Context) {
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ctx, task := trace.NewTask(inCtx, name)
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span, ctx := opentracing.StartSpanFromContext(ctx, name)
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return Trace{
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span: span,
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task: task,
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}, ctx
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}
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func StartRegion(inCtx context.Context, name string) (Trace, context.Context) {
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region := trace.StartRegion(inCtx, name)
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span, ctx := opentracing.StartSpanFromContext(inCtx, name)
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return Trace{
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span: span,
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region: region,
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}, ctx
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}
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func (t Trace) EndRegion() {
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t.span.Finish()
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if t.region != nil {
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t.region.End()
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}
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}
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func (t Trace) EndTask() {
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t.span.Finish()
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if t.task != nil {
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t.task.End()
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}
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}
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func (t Trace) SetTag(key string, value any) {
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t.span.SetTag(key, value)
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}
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