Stop sending stun binding requests after certain amount of time.

webrtc/p2p/base/stunport.h

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 187 matching lines @@
 
   // Sends STUN requests to the server.
   void OnSendPacket(const void* data, size_t size, StunRequest* req);
 
   // TODO(mallinaht) - Move this up to cricket::Port when SignalAddressReady is
   // changed to SignalPortReady.
   void MaybeSetPortCompleteOrError();
 
   bool HasCandidateWithAddress(const rtc::SocketAddress& addr) const;
 
+  uint32_t start_time() { return start_time_; }
+
   ServerAddresses server_addresses_;
   ServerAddresses bind_request_succeeded_servers_;
   ServerAddresses bind_request_failed_servers_;
   StunRequestManager requests_;
   rtc::AsyncPacketSocket* socket_;
   int error_;
   rtc::scoped_ptr<AddressResolver> resolver_;
   bool ready_;
   int stun_keepalive_delay_;
+  uint32_t start_time_;
 
   // This is true by default and false when
   // PORTALLOCATOR_DISABLE_DEFAULT_LOCAL_CANDIDATE is specified.
   bool emit_local_for_anyaddress_;
 
   friend class StunBindingRequest;
 };
 
 class StunPort : public UDPPort {
  public:
@@ skipping 47 matching lines @@
                 false) {
     // UDPPort will set these to local udp, updating these to STUN.
     set_type(STUN_PORT_TYPE);
     set_server_addresses(servers);
   }
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_P2P_BASE_STUNPORT_H_