Add multicast support to DatagramServerSocket

net/udp/udp_server_socket.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/udp/udp_server_socket.h"
 
 #include "net/base/rand_callback.h"
 
 namespace net {
 
@@ skipping 51 matching lines @@
 }
 
 void UDPServerSocket::AllowAddressReuse() {
   socket_.AllowAddressReuse();
 }
 
 void UDPServerSocket::AllowBroadcast() {
   socket_.AllowBroadcast();
 }
 
+int UDPServerSocket::JoinGroup(const IPAddressNumber& group_address) const {
+  return socket_.JoinGroup(group_address);
+}
+
+int UDPServerSocket::LeaveGroup(const IPAddressNumber& group_address) const {
+  return socket_.LeaveGroup(group_address);
+}
+
+int UDPServerSocket::SetMulticastTimeToLive(int time_to_live) {
+  return socket_.SetMulticastTimeToLive(time_to_live);
+}
+
+int UDPServerSocket::SetMulticastLoopbackMode(bool loopback) {
+  return socket_.SetMulticastLoopbackMode(loopback);
+}
+
 }  // namespace net