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1 // Copyright 2015 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 #ifndef REMOTING_PROTOCOL_ICE_TRANSPORT_SESSION_H_ | |
6 #define REMOTING_PROTOCOL_ICE_TRANSPORT_SESSION_H_ | |
7 | |
8 #include <list> | |
9 #include <map> | |
10 | |
11 #include "base/macros.h" | |
12 #include "base/timer/timer.h" | |
13 #include "remoting/protocol/datagram_channel_factory.h" | |
14 #include "remoting/protocol/jingle_messages.h" | |
15 #include "remoting/protocol/transport.h" | |
16 | |
17 namespace remoting { | |
18 namespace protocol { | |
19 | |
20 class ChannelMultiplexer; | |
21 class LibjingleTransportFactory; | |
22 class PseudoTcpChannelFactory; | |
23 class SecureChannelFactory; | |
24 | |
25 class IceTransportSession : public TransportSession, | |
26 public Transport::EventHandler, | |
27 public DatagramChannelFactory { | |
28 public: | |
29 // |transport_factory| must outlive the session. | |
30 IceTransportSession(LibjingleTransportFactory* libjingle_transport_factory); | |
31 ~IceTransportSession() override; | |
32 | |
33 // TransportSession interface. | |
34 void Start(TransportSession::EventHandler* event_handler, | |
35 Authenticator* authenticator) override; | |
36 bool ProcessTransportInfo(buzz::XmlElement* transport_info) override; | |
37 DatagramChannelFactory* GetDatagramChannelFactory() override; | |
38 StreamChannelFactory* GetStreamChannelFactory() override; | |
39 StreamChannelFactory* GetMultiplexedChannelFactory() override; | |
40 | |
41 private: | |
42 typedef std::map<std::string, Transport*> ChannelsMap; | |
43 | |
44 // DatagramChannelFactory interface. | |
45 void CreateChannel(const std::string& name, | |
46 const ChannelCreatedCallback& callback) override; | |
47 void CancelChannelCreation(const std::string& name) override; | |
48 | |
49 // Passes transport info to a new |channel| in case it was received before the | |
50 // channel was created. | |
51 void AddPendingRemoteTransportInfo(Transport* channel); | |
52 | |
53 // Transport::EventHandler interface. | |
54 void OnTransportIceCredentials(Transport* transport, | |
55 const std::string& ufrag, | |
56 const std::string& password) override; | |
57 void OnTransportCandidate(Transport* transport, | |
58 const cricket::Candidate& candidate) override; | |
59 void OnTransportRouteChange(Transport* transport, | |
60 const TransportRoute& route) override; | |
61 void OnTransportFailed(Transport* transport) override; | |
62 void OnTransportDeleted(Transport* transport) override; | |
63 | |
64 // Creates empty |pending_transport_info_message_| and schedules timer for | |
65 // SentTransportInfo() to sent the message later. | |
66 void EnsurePendingTransportInfoMessage(); | |
67 | |
68 // Sends transport-info message with candidates from |pending_candidates_|. | |
69 void SendTransportInfo(); | |
70 | |
71 LibjingleTransportFactory* libjingle_transport_factory_; | |
72 | |
73 TransportSession::EventHandler* event_handler_ = nullptr; | |
74 | |
75 ChannelsMap channels_; | |
76 scoped_ptr<PseudoTcpChannelFactory> pseudotcp_channel_factory_; | |
77 scoped_ptr<SecureChannelFactory> secure_channel_factory_; | |
78 scoped_ptr<ChannelMultiplexer> channel_multiplexer_; | |
79 | |
80 // Pending remote transport info received before the local channels were | |
81 // created. | |
82 std::list<IceTransportInfo::IceCredentials> pending_remote_ice_credentials_; | |
83 std::list<IceTransportInfo::NamedCandidate> pending_remote_candidates_; | |
84 | |
85 scoped_ptr<IceTransportInfo> pending_transport_info_message_; | |
86 base::OneShotTimer transport_info_timer_; | |
87 | |
88 DISALLOW_COPY_AND_ASSIGN(IceTransportSession); | |
89 }; | |
90 | |
91 } // namespace protocol | |
92 } // namespace remoting | |
93 | |
94 #endif // REMOTING_PROTOCOL_ICE_TRANSPORT_SESSION_H_ | |
95 | |
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