1/*
2 * libjingle
3 * Copyright 2004--2011, 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_PORTPROXY_H_
29#define TALK_P2P_BASE_PORTPROXY_H_
30
31#include "talk/p2p/base/portinterface.h"
32#include "webrtc/base/sigslot.h"
33
34namespace rtc {
35class Network;
36}
37
38namespace cricket {
39
40class PortProxy : public PortInterface, public sigslot::has_slots<> {
41 public:
42  PortProxy() {}
43  virtual ~PortProxy() {}
44
45  PortInterface* impl() { return impl_; }
46  void set_impl(PortInterface* port);
47
48  virtual const std::string& Type() const;
49  virtual rtc::Network* Network() const;
50
51  virtual void SetIceProtocolType(IceProtocolType protocol);
52  virtual IceProtocolType IceProtocol() const;
53
54  // Methods to set/get ICE role and tiebreaker values.
55  virtual void SetIceRole(IceRole role);
56  virtual IceRole GetIceRole() const;
57
58  virtual void SetIceTiebreaker(uint64 tiebreaker);
59  virtual uint64 IceTiebreaker() const;
60
61  virtual bool SharedSocket() const;
62
63  // Forwards call to the actual Port.
64  virtual void PrepareAddress();
65  virtual Connection* CreateConnection(const Candidate& remote_candidate,
66                                       CandidateOrigin origin);
67  virtual Connection* GetConnection(
68      const rtc::SocketAddress& remote_addr);
69
70  virtual int SendTo(const void* data, size_t size,
71                     const rtc::SocketAddress& addr,
72                     const rtc::PacketOptions& options,
73                     bool payload);
74  virtual int SetOption(rtc::Socket::Option opt, int value);
75  virtual int GetOption(rtc::Socket::Option opt, int* value);
76  virtual int GetError();
77
78  virtual const std::vector<Candidate>& Candidates() const;
79
80  virtual void SendBindingResponse(StunMessage* request,
81                                   const rtc::SocketAddress& addr);
82  virtual void SendBindingErrorResponse(
83        StunMessage* request, const rtc::SocketAddress& addr,
84        int error_code, const std::string& reason);
85
86  virtual void EnablePortPackets();
87  virtual std::string ToString() const;
88
89 private:
90  void OnUnknownAddress(PortInterface *port,
91                        const rtc::SocketAddress &addr,
92                        ProtocolType proto,
93                        IceMessage *stun_msg,
94                        const std::string &remote_username,
95                        bool port_muxed);
96  void OnRoleConflict(PortInterface* port);
97  void OnPortDestroyed(PortInterface* port);
98
99  PortInterface* impl_;
100};
101
102}  // namespace cricket
103
104#endif  // TALK_P2P_BASE_PORTPROXY_H_
105