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1 /* | |
2 * libjingle | |
3 * Copyright 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 PEERCONNECTION_SAMPLES_CLIENT_PEER_CONNECTION_CLIENT_H_ | |
29 #define PEERCONNECTION_SAMPLES_CLIENT_PEER_CONNECTION_CLIENT_H_ | |
30 #pragma once | |
31 | |
32 #include <map> | |
33 #include <string> | |
34 | |
35 #include "webrtc/base/nethelpers.h" | |
36 #include "webrtc/base/physicalsocketserver.h" | |
37 #include "webrtc/base/scoped_ptr.h" | |
38 #include "webrtc/base/signalthread.h" | |
39 #include "webrtc/base/sigslot.h" | |
40 | |
41 typedef std::map<int, std::string> Peers; | |
42 | |
43 struct PeerConnectionClientObserver { | |
44 virtual void OnSignedIn() = 0; // Called when we're logged on. | |
45 virtual void OnDisconnected() = 0; | |
46 virtual void OnPeerConnected(int id, const std::string& name) = 0; | |
47 virtual void OnPeerDisconnected(int peer_id) = 0; | |
48 virtual void OnMessageFromPeer(int peer_id, const std::string& message) = 0; | |
49 virtual void OnMessageSent(int err) = 0; | |
50 virtual void OnServerConnectionFailure() = 0; | |
51 | |
52 protected: | |
53 virtual ~PeerConnectionClientObserver() {} | |
54 }; | |
55 | |
56 class PeerConnectionClient : public sigslot::has_slots<>, | |
57 public rtc::MessageHandler { | |
58 public: | |
59 enum State { | |
60 NOT_CONNECTED, | |
61 RESOLVING, | |
62 SIGNING_IN, | |
63 CONNECTED, | |
64 SIGNING_OUT_WAITING, | |
65 SIGNING_OUT, | |
66 }; | |
67 | |
68 PeerConnectionClient(); | |
69 ~PeerConnectionClient(); | |
70 | |
71 int id() const; | |
72 bool is_connected() const; | |
73 const Peers& peers() const; | |
74 | |
75 void RegisterObserver(PeerConnectionClientObserver* callback); | |
76 | |
77 void Connect(const std::string& server, int port, | |
78 const std::string& client_name); | |
79 | |
80 bool SendToPeer(int peer_id, const std::string& message); | |
81 bool SendHangUp(int peer_id); | |
82 bool IsSendingMessage(); | |
83 | |
84 bool SignOut(); | |
85 | |
86 // implements the MessageHandler interface | |
87 void OnMessage(rtc::Message* msg); | |
88 | |
89 protected: | |
90 void DoConnect(); | |
91 void Close(); | |
92 void InitSocketSignals(); | |
93 bool ConnectControlSocket(); | |
94 void OnConnect(rtc::AsyncSocket* socket); | |
95 void OnHangingGetConnect(rtc::AsyncSocket* socket); | |
96 void OnMessageFromPeer(int peer_id, const std::string& message); | |
97 | |
98 // Quick and dirty support for parsing HTTP header values. | |
99 bool GetHeaderValue(const std::string& data, size_t eoh, | |
100 const char* header_pattern, size_t* value); | |
101 | |
102 bool GetHeaderValue(const std::string& data, size_t eoh, | |
103 const char* header_pattern, std::string* value); | |
104 | |
105 // Returns true if the whole response has been read. | |
106 bool ReadIntoBuffer(rtc::AsyncSocket* socket, std::string* data, | |
107 size_t* content_length); | |
108 | |
109 void OnRead(rtc::AsyncSocket* socket); | |
110 | |
111 void OnHangingGetRead(rtc::AsyncSocket* socket); | |
112 | |
113 // Parses a single line entry in the form "<name>,<id>,<connected>" | |
114 bool ParseEntry(const std::string& entry, std::string* name, int* id, | |
115 bool* connected); | |
116 | |
117 int GetResponseStatus(const std::string& response); | |
118 | |
119 bool ParseServerResponse(const std::string& response, size_t content_length, | |
120 size_t* peer_id, size_t* eoh); | |
121 | |
122 void OnClose(rtc::AsyncSocket* socket, int err); | |
123 | |
124 void OnResolveResult(rtc::AsyncResolverInterface* resolver); | |
125 | |
126 PeerConnectionClientObserver* callback_; | |
127 rtc::SocketAddress server_address_; | |
128 rtc::AsyncResolver* resolver_; | |
129 rtc::scoped_ptr<rtc::AsyncSocket> control_socket_; | |
130 rtc::scoped_ptr<rtc::AsyncSocket> hanging_get_; | |
131 std::string onconnect_data_; | |
132 std::string control_data_; | |
133 std::string notification_data_; | |
134 std::string client_name_; | |
135 Peers peers_; | |
136 State state_; | |
137 int my_id_; | |
138 }; | |
139 | |
140 #endif // PEERCONNECTION_SAMPLES_CLIENT_PEER_CONNECTION_CLIENT_H_ | |
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