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fix: race condition in buffer

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This commit is contained in:
zenix 2022-06-17 19:26:14 +09:00
parent dca80cfb7e
commit 0c7a98cc4b
1 changed files with 5 additions and 4 deletions
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9
pkg/depth/buffer.go
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@ -3,6 +3,7 @@ package depth
import (
"fmt"
"sync"
"sync/atomic"
"time"
log "github.com/sirupsen/logrus"
@ -40,7 +41,7 @@ type Buffer struct {
updateTimeout time.Duration
// bufferingPeriod is used to buffer the update message before we get the full depth
bufferingPeriod time.Duration
bufferingPeriod atomic.Value
}
func NewBuffer(fetcher SnapshotFetcher) *Buffer {
@ -55,7 +56,7 @@ func (b *Buffer) SetUpdateTimeout(d time.Duration) {
}
func (b *Buffer) SetBufferingPeriod(d time.Duration) {
b.bufferingPeriod = d
b.bufferingPeriod.Store(d)
}
func (b *Buffer) resetSnapshot() {
@ -185,8 +186,8 @@ func (b *Buffer) fetchAndPush() error {
func (b *Buffer) tryFetch() {
for {
if b.bufferingPeriod > 0 {
<-time.After(b.bufferingPeriod)
if period := b.bufferingPeriod.Load(); period != nil {
<-time.After(period.(time.Duration))
}
err := b.fetchAndPush()