mirror of
https://github.com/prometheus/prometheus.git
synced 2024-12-29 07:29:42 -08:00
0393b188c9
* Trace remote read Signed-off-by: vas <vasily.sliouniaev@jet.com> * Use jaeger Signed-off-by: vas <vasily.sliouniaev@jet.com>
57 lines
1.4 KiB
Go
57 lines
1.4 KiB
Go
// Copyright (c) 2019 The Jaeger 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 jaeger
|
|
|
|
import "sync"
|
|
|
|
// SpanAllocator abstraction of managign span allocations
|
|
type SpanAllocator interface {
|
|
Get() *Span
|
|
Put(*Span)
|
|
}
|
|
|
|
type syncPollSpanAllocator struct {
|
|
spanPool sync.Pool
|
|
}
|
|
|
|
func newSyncPollSpanAllocator() SpanAllocator {
|
|
return &syncPollSpanAllocator{
|
|
spanPool: sync.Pool{New: func() interface{} {
|
|
return &Span{}
|
|
}},
|
|
}
|
|
}
|
|
|
|
func (pool *syncPollSpanAllocator) Get() *Span {
|
|
return pool.spanPool.Get().(*Span)
|
|
}
|
|
|
|
func (pool *syncPollSpanAllocator) Put(span *Span) {
|
|
span.reset()
|
|
pool.spanPool.Put(span)
|
|
}
|
|
|
|
type simpleSpanAllocator struct{}
|
|
|
|
func (pool simpleSpanAllocator) Get() *Span {
|
|
return &Span{}
|
|
}
|
|
|
|
func (pool simpleSpanAllocator) Put(span *Span) {
|
|
// @comment https://github.com/jaegertracing/jaeger-client-go/pull/381#issuecomment-475904351
|
|
// since finished spans are not reused, no need to reset them
|
|
// span.reset()
|
|
}
|