lastest changes

server/mDNS.go

@@ -0,0 +1,28 @@
+package main
+
+import (
+	"net"
+
+	"github.com/pion/mdns"
+	"golang.org/x/net/ipv4"
+)
+
+func main() {
+	server, err := zeroconf.Register("GoZeroconf", "_workstation._tcp", "local.", 42424, []string{"txtv=0", "lo=1", "la=2"}, nil)
+    if err != nil {
+       panic(err)
+    }
+    defer server.Shutdown()
+
+    // Clean exit.
+    sig := make(chan os.Signal, 1)
+    signal.Notify(sig, os.Interrupt, syscall.SIGTERM)
+    select {
+       case <-sig:
+       // Exit by user
+       case <-time.After(time.Second * 120):
+       // Exit by timeout
+    }
+
+    log.Println("Shutting down.")
+}

server/portforwarding.go

@@ -0,0 +1,23 @@
+package main
+
+import (
+    "fmt"
+
+    "github.com/jackpal/gateway"
+    natpmp "github.com/jackpal/go-nat-pmp"
+)
+
+func main() {
+    gatewayIP, err := gateway.DiscoverGateway()
+    if err != nil {
+        return
+    }
+
+    client := natpmp.NewClient(gatewayIP)
+    response, err := client.GetExternalAddress()
+    if err != nil {
+		fmt.Print(err)
+		return
+    }
+    fmt.Printf("External IP address: %v\n", response.ExternalIPAddress)
+}