WIP: improve responsiveness.

peer/app.go

@@ -78,8 +78,8 @@ func (a *App) Run() error {
 	// while we were down).
 	a.updateHosts()
 
-	ticker := time.NewTicker(PingInterval)
-	defer ticker.Stop()
+	stateTicker := time.NewTicker(time.Second) // TODO: Const.
+	pingTicker := time.NewTicker(PingInterval)
 
 	sig := make(chan os.Signal, 1)
 	signal.Notify(sig, syscall.SIGTERM, syscall.SIGINT)
@@ -97,10 +97,12 @@ func (a *App) Run() error {
 			a.onPing(e)
 		case e := <-a.multicastCh:
 			a.onMulticastDiscovery(e)
-		case <-ticker.C:
+		case <-stateTicker.C:
 			a.onTick()
+		case <-pingTicker.C:
+			a.onPingTicker()
 			tickCount++
-			if tickCount%8 == 0 {
+			if tickCount == 0 {
 				a.logNetworkState()
 			}
 

peer/on_pingticker.go

@@ -0,0 +1,15 @@
+package peer
+
+import (
+	"time"
+	"vppn/peer/control"
+)
+
+func (a *App) onPingTicker() {
+	now := time.Now().UnixNano()
+	for _, p := range a.peersByIP {
+		if p.Role == control.Client {
+			a.sendPing(p, now)
+		}
+	}
+}

peer/on_tick.go

@@ -5,7 +5,6 @@ import (
 	"net/netip"
 	"time"
 
-	"vppn/peer/control"
 	"vppn/peer/wginterface"
 )
 
@@ -30,11 +29,6 @@ func (a *App) onTick() {
 			p.EndpointWG = ep
 		}
 
-		// Send pings to peers where we're the client.
-		if p.Role == control.Client {
-			a.sendPing(p, now)
-		}
-
 		switch p.State {
 		case StateRelayed:
 			// If we have an ep to probe, add it.