Added source verification

src/device.go

@@ -31,10 +31,16 @@ type Device struct {
 	signal struct {
 		stop chan struct{}
 	}
-	peers map[NoisePublicKey]*Peer
-	mac   MACStateDevice
+	congestionState int32 // used as an atomic bool
+	peers           map[NoisePublicKey]*Peer
+	mac             MACStateDevice
 }
 
+const (
+	CongestionStateUnderLoad = iota
+	CongestionStateOkay
+)
+
 func (device *Device) SetPrivateKey(sk NoisePrivateKey) {
 	device.mutex.Lock()
 	defer device.mutex.Unlock()
@@ -93,6 +99,7 @@ func NewDevice(tun TUNDevice, logLevel int) *Device {
 		go device.RoutineDecryption()
 		go device.RoutineHandshake()
 	}
+	go device.RoutineBusyMonitor()
 	go device.RoutineReadFromTUN(tun)
 	go device.RoutineReceiveIncomming()
 	go device.RoutineWriteToTUN(tun)