added some experimental code using grpc

packet.go

@@ -0,0 +1,53 @@
+package main
+
+
+func MakeRouteStartPacket(route_id uint32, proto ROUTE_PROTO, addr string) *Packet {
+	return &Packet{
+		Kind: PACKET_KIND_ROUTE_START,
+		U: &Packet_Route{Route: &RouteDesc{RouteId: route_id, Proto: proto, AddrStr: addr}}}
+}
+
+func MakeRouteStartedPacket(route_id uint32, proto ROUTE_PROTO, addr string) *Packet {
+	// the connection from a peer to the server has been established
+	return &Packet{Kind: PACKET_KIND_ROUTE_STARTED,
+		U: &Packet_Route{Route: &RouteDesc{RouteId: route_id, Proto: proto, AddrStr: addr}}}
+}
+
+func MakeRouteStoppedPacket(route_id uint32, proto ROUTE_PROTO) *Packet {
+	// the connection from a peer to the server has been established
+	return &Packet{Kind: PACKET_KIND_ROUTE_STOPPED,
+		U: &Packet_Route{Route: &RouteDesc{RouteId: route_id, Proto: proto}}}
+}
+
+
+func MakePeerStartedPacket(route_id uint32, pts_id uint32) *Packet {
+	// the connection from a peer to the server has been established
+	return &Packet{Kind: PACKET_KIND_PEER_STARTED,
+		U: &Packet_Peer{Peer: &PeerDesc{RouteId: route_id, PeerId: pts_id}},
+	}
+}
+
+func MakePeerStoppedPacket(route_id uint32, pts_id uint32) *Packet {
+	return &Packet{Kind: PACKET_KIND_PEER_STOPPED,
+		U: &Packet_Peer{Peer: &PeerDesc{RouteId: route_id, PeerId: pts_id},
+	}}
+}
+
+func MakePtcStartedPacket(route_id uint32, pts_id uint32) *Packet {
+	// the connection from the client to a peer has been established
+	return &Packet{Kind: PACKET_KIND_PEER_STARTED,
+		U: &Packet_Peer{Peer: &PeerDesc{RouteId: route_id, PeerId: pts_id}},
+	}
+}
+
+func MakePtcStoppedPacket(route_id uint32, pts_id uint32) *Packet {
+	return &Packet{Kind: PACKET_KIND_PEER_STOPPED,
+		U: &Packet_Peer{Peer: &PeerDesc{RouteId: route_id, PeerId: pts_id},
+	}}
+}
+
+func MakePeerDataPacket(route_id uint32, pts_id uint32, data []byte) *Packet {
+	return &Packet{Kind: PACKET_KIND_PEER_DATA,
+		U: &Packet_Data{Data: &PeerData{RouteId: route_id, PeerId: pts_id, Data: data},
+	}}
+}