fix

gold/link/link.go

@@ -79,7 +79,14 @@ func (l *Link) Write(p *head.Packet) (n int, err error) {
 	d, err = p.Marshal(l.me.me.String(), l.peerip.String())
 	logrus.Debugln("[link] write data", string(d))
 	if err == nil {
-		n, err = l.me.myconn.WriteToUDP(d, l.me.router.NextHop(l.peerip.String()+"/32").endpoint)
+		peerlink := l.me.router.NextHop(l.peerip.String() + "/32")
+		if peerlink != nil {
+			peerep := peerlink.endpoint
+			logrus.Infoln("[link] write data from ep", l.me.myconn.LocalAddr(), "to", peerep)
+			n, err = l.me.myconn.WriteToUDP(d, peerep)
+		} else {
+			logrus.Warnln("[link] drop packet: nil peerlink")
+		}
 	}
 	return
 }

gold/link/peer.go

@@ -49,6 +49,8 @@ func (m *Me) AddPeer(peerip string, pubicKey *[32]byte, endPoint string, allowed
 			if err == nil {
 				l.allowedips = append(l.allowedips, cidr)
 				l.me.router.SetItem(cidr, l)
+			} else {
+				panic(err)
 			}
 		}
 	}

main.go

@@ -129,6 +129,20 @@ func main() {
 
 	nic := lower.NewNIC(c.IP, c.SubNet)
 	me := link.NewMe(&key, c.IP+"/32", c.EndPoint, true)
+
+	for _, peer := range c.Peers {
+		var peerkey [32]byte
+		k, err := base14.UTF82utf16be(helper.StringToBytes(peer.PublicKey + suffix32))
+		if err != nil {
+			panic(err)
+		}
+		n := copy(peerkey[:], base14.Decode(k))
+		if n != 32 {
+			panic("peer public key length is not 32")
+		}
+		me.AddPeer(peer.IP, &peerkey, peer.EndPoint, peer.AllowedIPs, peer.KeepAliveSeconds, peer.AllowTrans, true)
+	}
+
 	nic.Up()
 	defer func() {
 		nic.Stop()