multicast cleanup

peer/app.go

@@ -11,6 +11,7 @@ import (
 
 	"vppn/m"
 	"vppn/peer/control"
+	"vppn/peer/multicast"
 	"vppn/peer/wginterface"
 )
 
@@ -27,12 +28,6 @@ type PingEvent struct {
 	ping     control.Ping
 }
 
-// MulticastEvent carries a raw signed beacon for verification in the event loop.
-type MulticastEvent struct {
-	signed []byte     // nacl/sign signed beacon (64-byte sig || 35-byte payload)
-	src    netip.Addr // physical LAN source address
-}
-
 // App is the peer application. All mutable state lives here and is
 // accessed only from the Run goroutine.
 type App struct {
@@ -58,11 +53,14 @@ type App struct {
 	selfV4 netip.AddrPort
 	selfV6 netip.AddrPort
 
+	// Reusable scratch for multicast signature verification (event loop only).
+	mcVerifyBuf []byte
+
 	// Event channels fed by background goroutines
 	hubAddCh    <-chan m.Peer
 	hubRemoveCh <-chan wgtypes.Key
 	pingCh      <-chan PingEvent
-	multicastCh <-chan MulticastEvent
+	multicastCh <-chan multicast.Packet
 }
 
 // Run is the main event loop. It runs until SIGTERM/SIGINT.