media/cast/test/utility/net_utility.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "media/cast/test/utility/net_utility.h"
   6
   7 #include "base/basictypes.h"
   8 #include "net/base/net_errors.h"
   9 #include "net/udp/udp_server_socket.h"
  10
  11 namespace media {
  12 namespace cast {
  13 namespace test {
  14
  15 // TODO(hubbe): Move to /net/.
  16 net::IPEndPoint GetFreeLocalPort() {
  17   net::IPAddressNumber localhost;
  18   localhost.push_back(127);
  19   localhost.push_back(0);
  20   localhost.push_back(0);
  21   localhost.push_back(1);
  22   scoped_ptr<net::UDPServerSocket> receive_socket(
  23       new net::UDPServerSocket(NULL, net::NetLog::Source()));
  24   receive_socket->AllowAddressReuse();
  25   CHECK_EQ(net::OK, receive_socket->Listen(net::IPEndPoint(localhost, 0)));
  26   net::IPEndPoint endpoint;
  27   CHECK_EQ(net::OK, receive_socket->GetLocalAddress(&endpoint));
  28   return endpoint;
  29 }
  30
  31 }  // namespace test
  32 }  // namespace cast
  33 }  // namespace media