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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_BASE_P2PTRANSPORT_H_
     29 #define TALK_P2P_BASE_P2PTRANSPORT_H_
     30 
     31 #include <string>
     32 #include <vector>
     33 #include "talk/p2p/base/transport.h"
     34 
     35 namespace cricket {
     36 
     37 class P2PTransport: public Transport {
     38  public:
     39   P2PTransport(talk_base::Thread* signaling_thread,
     40                talk_base::Thread* worker_thread,
     41                PortAllocator* allocator);
     42   virtual ~P2PTransport();
     43 
     44   virtual void OnTransportError(const buzz::XmlElement* error);
     45 
     46  protected:
     47   // Creates and destroys P2PTransportChannel.
     48   virtual TransportChannelImpl* CreateTransportChannel(
     49       const std::string& name, const std::string& content_type);
     50   virtual void DestroyTransportChannel(TransportChannelImpl* channel);
     51 
     52   friend class P2PTransportChannel;
     53 
     54   DISALLOW_EVIL_CONSTRUCTORS(P2PTransport);
     55 };
     56 
     57 class P2PTransportParser : public TransportParser {
     58  public:
     59   P2PTransportParser() {}
     60   virtual bool ParseCandidates(SignalingProtocol protocol,
     61                                const buzz::XmlElement* elem,
     62                                Candidates* candidates,
     63                                ParseError* error);
     64   virtual bool WriteCandidates(SignalingProtocol protocol,
     65                                const Candidates& candidates,
     66                                XmlElements* candidate_elems,
     67                                WriteError* error);
     68  private:
     69   bool ParseCandidate(const buzz::XmlElement* elem,
     70                       Candidate* candidate,
     71                       ParseError* error);
     72   bool WriteCandidate(const Candidate& candidate,
     73                       buzz::XmlElement* elem,
     74                       WriteError* error);
     75   bool VerifyUsernameFormat(const std::string& username,
     76                             ParseError* error);
     77 
     78   DISALLOW_EVIL_CONSTRUCTORS(P2PTransportParser);
     79 };
     80 
     81 }  // namespace cricket
     82 
     83 #endif  // TALK_P2P_BASE_P2PTRANSPORT_H_
     84