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1 // Copyright (c) 2012 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 // The XmppSignalStrategy encapsulates all the logic to perform the signaling | |
6 // STUN/ICE for jingle via a direct XMPP connection. | |
7 // | |
8 // This class is not threadsafe. | |
9 | |
10 #ifndef REMOTING_JINGLE_GLUE_XMPP_SIGNAL_STRATEGY_H_ | |
11 #define REMOTING_JINGLE_GLUE_XMPP_SIGNAL_STRATEGY_H_ | |
12 | |
13 #include "remoting/jingle_glue/signal_strategy.h" | |
14 | |
15 #include <vector> | |
16 | |
17 #include "base/compiler_specific.h" | |
18 #include "base/observer_list.h" | |
19 #include "base/threading/non_thread_safe.h" | |
20 #include "base/timer/timer.h" | |
21 #include "third_party/libjingle/source/talk/base/sigslot.h" | |
22 #include "third_party/libjingle/source/talk/xmpp/xmppclient.h" | |
23 | |
24 namespace net { | |
25 class ClientSocketFactory; | |
26 class URLRequestContextGetter; | |
27 } // namespace net | |
28 | |
29 namespace talk_base { | |
30 class TaskRunner; | |
31 } // namespace talk_base | |
32 | |
33 namespace remoting { | |
34 | |
35 class JingleThread; | |
36 | |
37 class XmppSignalStrategy : public base::NonThreadSafe, | |
38 public SignalStrategy, | |
39 public buzz::XmppStanzaHandler, | |
40 public sigslot::has_slots<> { | |
41 public: | |
42 // XMPP Server configuration for XmppSignalStrategy. | |
43 struct XmppServerConfig { | |
44 XmppServerConfig(); | |
45 ~XmppServerConfig(); | |
46 | |
47 std::string host; | |
48 int port; | |
49 bool use_tls; | |
50 | |
51 std::string username; | |
52 std::string auth_token; | |
53 std::string auth_service; | |
54 }; | |
55 | |
56 XmppSignalStrategy( | |
57 net::ClientSocketFactory* socket_factory, | |
58 scoped_refptr<net::URLRequestContextGetter> request_context_getter, | |
59 const XmppServerConfig& xmpp_server_config); | |
60 virtual ~XmppSignalStrategy(); | |
61 | |
62 // SignalStrategy interface. | |
63 virtual void Connect() OVERRIDE; | |
64 virtual void Disconnect() OVERRIDE; | |
65 virtual State GetState() const OVERRIDE; | |
66 virtual Error GetError() const OVERRIDE; | |
67 virtual std::string GetLocalJid() const OVERRIDE; | |
68 virtual void AddListener(Listener* listener) OVERRIDE; | |
69 virtual void RemoveListener(Listener* listener) OVERRIDE; | |
70 virtual bool SendStanza(scoped_ptr<buzz::XmlElement> stanza) OVERRIDE; | |
71 virtual std::string GetNextId() OVERRIDE; | |
72 | |
73 // buzz::XmppStanzaHandler interface. | |
74 virtual bool HandleStanza(const buzz::XmlElement* stanza) OVERRIDE; | |
75 | |
76 // This method is used to update the auth info (for example when the OAuth | |
77 // access token is renewed). It is OK to call this even when we are in the | |
78 // CONNECTED state. It will be used on the next Connect() call. | |
79 void SetAuthInfo(const std::string& username, | |
80 const std::string& auth_token, | |
81 const std::string& auth_service); | |
82 | |
83 // Use this method to override the default resource name used (optional). | |
84 // This will be used on the next Connect() call. | |
85 void SetResourceName(const std::string& resource_name); | |
86 | |
87 private: | |
88 static buzz::PreXmppAuth* CreatePreXmppAuth( | |
89 const buzz::XmppClientSettings& settings); | |
90 | |
91 void OnConnectionStateChanged(buzz::XmppEngine::State state); | |
92 void SetState(State new_state); | |
93 | |
94 void SendKeepAlive(); | |
95 | |
96 net::ClientSocketFactory* socket_factory_; | |
97 scoped_refptr<net::URLRequestContextGetter> request_context_getter_; | |
98 std::string resource_name_; | |
99 scoped_ptr<talk_base::TaskRunner> task_runner_; | |
100 buzz::XmppClient* xmpp_client_; | |
101 XmppServerConfig xmpp_server_config_; | |
102 | |
103 State state_; | |
104 Error error_; | |
105 | |
106 ObserverList<Listener, true> listeners_; | |
107 | |
108 base::RepeatingTimer<XmppSignalStrategy> keep_alive_timer_; | |
109 | |
110 DISALLOW_COPY_AND_ASSIGN(XmppSignalStrategy); | |
111 }; | |
112 | |
113 } // namespace remoting | |
114 | |
115 #endif // REMOTING_JINGLE_GLUE_XMPP_SIGNAL_STRATEGY_H_ | |
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