Remove timing limitation to set Broadcast, ReceiveBuffer, and SendBuffer options from UDPSocket.

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/net_errors.h"
 #include "net/base/rand_callback.h"
 
 namespace net {
 
 UDPServerSocket::UDPServerSocket(net::NetLog* net_log,
                                  const net::NetLog::Source& source)
     : socket_(DatagramSocket::DEFAULT_BIND,
               RandIntCallback(),
               net_log,
-              source) {
+              source),
+      allow_broadcast_(false) {
 }
 
 UDPServerSocket::~UDPServerSocket() {
 }
 
 int UDPServerSocket::Listen(const IPEndPoint& address) {
+  int rv = socket_.Open(address.GetFamily());
+  if (rv != OK)
+    return rv;
+
+  if (allow_broadcast_) {
+    rv = socket_.SetBroadcast(true);
+    if (rv != OK) {
+      socket_.Close();
+      return rv;
+    }
+  }
+
   return socket_.Bind(address);
 }
 
 int UDPServerSocket::RecvFrom(IOBuffer* buf,
                               int buf_len,
                               IPEndPoint* address,
                               const CompletionCallback& callback) {
   return socket_.RecvFrom(buf, buf_len, address, callback);
 }
 
@@ skipping 26 matching lines @@
 
 const BoundNetLog& UDPServerSocket::NetLog() const {
   return socket_.NetLog();
 }
 
 void UDPServerSocket::AllowAddressReuse() {
   socket_.AllowAddressReuse();
 }
 
 void UDPServerSocket::AllowBroadcast() {
-  socket_.AllowBroadcast();
+  allow_broadcast_ = true;
 }
 
 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);
 }
 
@@ skipping 11 matching lines @@
 
 int UDPServerSocket::SetDiffServCodePoint(DiffServCodePoint dscp) {
   return socket_.SetDiffServCodePoint(dscp);
 }
 
 void UDPServerSocket::DetachFromThread() {
   socket_.DetachFromThread();
 }
 
 }  // namespace net