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avoid netlink dos networkUpdateMonitor

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wwqgtxx 2024-04-05 10:15:56 +08:00 • committed by 世界
parent cddf60537d
commit fc63ec9388
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1 changed files with 10 additions and 0 deletions
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10
monitor_linux.go
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@ -4,6 +4,7 @@ import (
"os"
"runtime"
"sync"
"time"
"github.com/sagernet/netlink"
E "github.com/sagernet/sing/common/exceptions"
@ -67,6 +68,9 @@ func (m *networkUpdateMonitor) Start() error {
}
func (m *networkUpdateMonitor) loopUpdate() {
const minDuration = time.Second
timer := time.NewTimer(minDuration)
defer timer.Stop()
for {
select {
case <-m.close:
@ -75,6 +79,12 @@ func (m *networkUpdateMonitor) loopUpdate() {
case <-m.linkUpdate:
}
m.emit()
select {
case <-m.close:
return
case <-timer.C:
timer.Reset(minDuration)
}
}
}