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-rw-r--r--device/device.go6
-rw-r--r--device/peer.go1
-rw-r--r--device/timers.go2
3 files changed, 6 insertions, 3 deletions
diff --git a/device/device.go b/device/device.go
index 99f5e60..e7d70c4 100644
--- a/device/device.go
+++ b/device/device.go
@@ -49,8 +49,9 @@ type Device struct {
}
peers struct {
- sync.RWMutex
- keyMap map[NoisePublicKey]*Peer
+ empty AtomicBool // empty reports whether len(keyMap) == 0
+ sync.RWMutex // protects keyMap
+ keyMap map[NoisePublicKey]*Peer
}
// unprotected / "self-synchronising resources"
@@ -129,6 +130,7 @@ func unsafeRemovePeer(device *Device, peer *Peer, key NoisePublicKey) {
// remove from peer map
delete(device.peers.keyMap, key)
+ device.peers.empty.Set(len(device.peers.keyMap) == 0)
}
func deviceUpdateState(device *Device) {
diff --git a/device/peer.go b/device/peer.go
index fe6de33..73e6083 100644
--- a/device/peer.go
+++ b/device/peer.go
@@ -125,6 +125,7 @@ func (device *Device) NewPeer(pk NoisePublicKey) (*Peer, error) {
// add
device.peers.keyMap[pk] = peer
+ device.peers.empty.Set(false)
// start peer
diff --git a/device/timers.go b/device/timers.go
index e94da36..dbd4c66 100644
--- a/device/timers.go
+++ b/device/timers.go
@@ -73,7 +73,7 @@ func (timer *Timer) IsPending() bool {
}
func (peer *Peer) timersActive() bool {
- return peer.isRunning.Get() && peer.device != nil && peer.device.isUp.Get() && len(peer.device.peers.keyMap) > 0
+ return peer.isRunning.Get() && peer.device != nil && peer.device.isUp.Get() && !peer.device.peers.empty.Get()
}
func expiredRetransmitHandshake(peer *Peer) {