relay packets

client/main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"encoding/binary"
+	"encoding/hex"
 	"log"
 	"net"
 	"os"
@@ -94,15 +95,20 @@ func receivePacket(pkt []byte) {
 	switch pktType {
 	case shared.RESP_REGISTER:
 		internalIP = net.IP(pkt[4:])
-		log.Println("Received IP from the server:", internalIP.String())
-		initInterface()
+		log.Println("got assigned IP by the server:", internalIP.String())
+		setupInterface()
 		go sendPackets()
+	case shared.RESP_DATA:
+		log.Println("received pkt:", hex.EncodeToString(pkt[4:]))
+		if _, err := iface.Write(pkt[4:]); err != nil {
+			log.Println(err)
+		}
 	default:
 		log.Println("unknown packet type")
 	}
 }
 
-func initInterface() {
+func setupInterface() {
 	config := water.Config{DeviceType: water.TAP}
 	config.Name = IFACE_NAME