Add ice-proxy example

examples/ice-proxy/turn.go

@@ -0,0 +1,40 @@
+// SPDX-FileCopyrightText: 2025 The Pion community <https://pion.ly>
+// SPDX-License-Identifier: MIT
+
+//go:build !js
+// +build !js
+
+package main
+
+import (
+	"net"
+
+	"github.com/pion/turn/v4"
+)
+
+func newTURNServer() *turn.Server {
+	tcpListener, err := net.Listen("tcp4", turnServerAddr)
+	if err != nil {
+		panic(err)
+	}
+
+	server, err := turn.NewServer(turn.ServerConfig{
+		AuthHandler: func(_, realm string, _ net.Addr) ([]byte, bool) {
+			// Accept any request with provided username and password.
+			return turn.GenerateAuthKey(turnUsername, realm, turnPassword), true
+		},
+		ListenerConfigs: []turn.ListenerConfig{
+			{
+				Listener: tcpListener,
+				RelayAddressGenerator: &turn.RelayAddressGeneratorNone{
+					Address: "localhost",
+				},
+			},
+		},
+	})
+	if err != nil {
+		panic(err)
+	}
+
+	return server
+}