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      1 /*
      2  * libjingle
      3  * Copyright 2004--2005, Google Inc.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are met:
      7  *
      8  *  1. Redistributions of source code must retain the above copyright notice,
      9  *     this list of conditions and the following disclaimer.
     10  *  2. Redistributions in binary form must reproduce the above copyright notice,
     11  *     this list of conditions and the following disclaimer in the documentation
     12  *     and/or other materials provided with the distribution.
     13  *  3. The name of the author may not be used to endorse or promote products
     14  *     derived from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
     19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #ifndef TALK_P2P_CLIENT_SOCKETMONITOR_H_
     29 #define TALK_P2P_CLIENT_SOCKETMONITOR_H_
     30 
     31 #include <vector>
     32 
     33 #include "talk/base/criticalsection.h"
     34 #include "talk/base/sigslot.h"
     35 #include "talk/base/thread.h"
     36 #include "talk/p2p/base/p2ptransportchannel.h"
     37 #include "talk/p2p/base/port.h"
     38 
     39 namespace cricket {
     40 
     41 struct ConnectionInfo {
     42   bool best_connection;
     43   bool writable;
     44   bool readable;
     45   bool timeout;
     46   bool new_connection;
     47   size_t rtt;
     48   size_t sent_total_bytes;
     49   size_t sent_bytes_second;
     50   size_t recv_total_bytes;
     51   size_t recv_bytes_second;
     52   Candidate local_candidate;
     53   Candidate remote_candidate;
     54   double est_quality;
     55   void *key;
     56 };
     57 
     58 class SocketMonitor : public talk_base::MessageHandler,
     59     public sigslot::has_slots<> {
     60  public:
     61   SocketMonitor(TransportChannel* channel,
     62                 talk_base::Thread* worker_thread,
     63                 talk_base::Thread* monitor_thread);
     64   ~SocketMonitor();
     65 
     66   void Start(int cms);
     67   void Stop();
     68 
     69   talk_base::Thread *monitor_thread() { return monitoring_thread_; }
     70 
     71   sigslot::signal2<SocketMonitor *,
     72                    const std::vector<ConnectionInfo> &> SignalUpdate;
     73 
     74  protected:
     75   P2PTransportChannel* GetP2PChannel() { return channel_->GetP2PChannel(); }
     76   void OnMessage(talk_base::Message *message);
     77   void OnConnectionMonitor(P2PTransportChannel* channel);
     78   void PollSocket(bool poll);
     79 
     80   std::vector<ConnectionInfo> connection_infos_;
     81   TransportChannel* channel_;
     82   talk_base::Thread* channel_thread_;
     83   talk_base::Thread* monitoring_thread_;
     84   talk_base::CriticalSection crit_;
     85   uint32 rate_;
     86   bool monitoring_;
     87 };
     88 
     89 }  // namespace cricket
     90 
     91 #endif  // TALK_P2P_CLIENT_SOCKETMONITOR_H_
     92