diff options
Diffstat (limited to 'timers.go')
| -rw-r--r-- | timers.go | 39 |
1 files changed, 32 insertions, 7 deletions
@@ -9,6 +9,7 @@ package main import ( "math/rand" + "sync" "sync/atomic" "time" ) @@ -18,28 +19,52 @@ import ( */ type Timer struct { - timer *time.Timer - isPending bool + timer *time.Timer + modifyingLock sync.Mutex + runningLock sync.Mutex + isPending bool } func (peer *Peer) NewTimer(expirationFunction func(*Peer)) *Timer { timer := &Timer{} timer.timer = time.AfterFunc(time.Hour, func() { + timer.runningLock.Lock() + + timer.modifyingLock.Lock() + if !timer.isPending { + timer.modifyingLock.Unlock() + timer.runningLock.Unlock() + return + } timer.isPending = false + timer.modifyingLock.Unlock() + expirationFunction(peer) + timer.runningLock.Unlock() }) timer.timer.Stop() return timer } func (timer *Timer) Mod(d time.Duration) { + timer.modifyingLock.Lock() timer.isPending = true timer.timer.Reset(d) + timer.modifyingLock.Unlock() } func (timer *Timer) Del() { + timer.modifyingLock.Lock() timer.isPending = false timer.timer.Stop() + timer.modifyingLock.Unlock() +} + +func (timer *Timer) DelSync() { + timer.Del() + timer.runningLock.Lock() + timer.Del() + timer.runningLock.Unlock() } func (peer *Peer) timersActive() bool { @@ -189,9 +214,9 @@ func (peer *Peer) timersInit() { } func (peer *Peer) timersStop() { - peer.timers.retransmitHandshake.Del() - peer.timers.sendKeepalive.Del() - peer.timers.newHandshake.Del() - peer.timers.zeroKeyMaterial.Del() - peer.timers.persistentKeepalive.Del() + peer.timers.retransmitHandshake.DelSync() + peer.timers.sendKeepalive.DelSync() + peer.timers.newHandshake.DelSync() + peer.timers.zeroKeyMaterial.DelSync() + peer.timers.persistentKeepalive.DelSync() } |