diff options
Diffstat (limited to '')
-rw-r--r-- | OpenSim/Region/Environment/Modules/VoiceChat/VoiceChatServer.cs | 328 |
1 files changed, 328 insertions, 0 deletions
diff --git a/OpenSim/Region/Environment/Modules/VoiceChat/VoiceChatServer.cs b/OpenSim/Region/Environment/Modules/VoiceChat/VoiceChatServer.cs new file mode 100644 index 0000000..1ac2d33 --- /dev/null +++ b/OpenSim/Region/Environment/Modules/VoiceChat/VoiceChatServer.cs | |||
@@ -0,0 +1,328 @@ | |||
1 | using System; | ||
2 | using System.Collections.Generic; | ||
3 | using System.Text; | ||
4 | using System.Threading; | ||
5 | using System.Net.Sockets; | ||
6 | using System.Net; | ||
7 | using OpenSim.Region.Environment.Scenes; | ||
8 | using OpenSim.Framework; | ||
9 | using OpenSim.Region.Environment.Modules; | ||
10 | using OpenSim.Region.Environment.Interfaces; | ||
11 | using Nini; | ||
12 | using libsecondlife; | ||
13 | |||
14 | namespace OpenSim.Region.Environment.Modules.VoiceChat | ||
15 | { | ||
16 | public class VoiceChatServer : IRegionModule | ||
17 | { | ||
18 | private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType); | ||
19 | |||
20 | int m_dummySocketPort = 53134; | ||
21 | |||
22 | Thread m_listenerThread; | ||
23 | Thread m_mainThread; | ||
24 | Scene m_scene; | ||
25 | Socket m_server; | ||
26 | Socket m_selectCancel; | ||
27 | bool m_enabled = false; | ||
28 | |||
29 | Dictionary<Socket, VoiceClient> m_clients; | ||
30 | Dictionary<LLUUID, VoiceClient> m_uuidToClient; | ||
31 | |||
32 | |||
33 | #region IRegionModule Members | ||
34 | |||
35 | public void Initialise(Scene scene, Nini.Config.IConfigSource source) | ||
36 | { | ||
37 | m_scene = scene; | ||
38 | |||
39 | try | ||
40 | { | ||
41 | m_enabled = source.Configs["Voice"].GetBoolean("enabled", m_enabled); | ||
42 | } | ||
43 | catch (Exception) | ||
44 | { } | ||
45 | } | ||
46 | |||
47 | public void PostInitialise() | ||
48 | { | ||
49 | if (m_enabled != true) | ||
50 | return; | ||
51 | |||
52 | m_clients = new Dictionary<Socket, VoiceClient>(); | ||
53 | m_uuidToClient = new Dictionary<LLUUID, VoiceClient>(); | ||
54 | |||
55 | m_scene.EventManager.OnNewClient += NewClient; | ||
56 | m_scene.EventManager.OnRemovePresence += RemovePresence; | ||
57 | |||
58 | try | ||
59 | { | ||
60 | CreateListeningSocket(); | ||
61 | } | ||
62 | catch (Exception e) | ||
63 | { | ||
64 | m_log.Error("[VOICECHAT]: Unable to start listening"); | ||
65 | return; | ||
66 | } | ||
67 | |||
68 | m_listenerThread = new Thread(new ThreadStart(ListenIncomingConnections)); | ||
69 | m_listenerThread.IsBackground = true; | ||
70 | m_listenerThread.Start(); | ||
71 | |||
72 | m_mainThread = new Thread(new ThreadStart(RunVoiceChat)); | ||
73 | m_mainThread.IsBackground = true; | ||
74 | m_mainThread.Start(); | ||
75 | |||
76 | Thread.Sleep(500); | ||
77 | m_selectCancel = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); | ||
78 | m_selectCancel.Connect("localhost", m_dummySocketPort); | ||
79 | } | ||
80 | |||
81 | public void Close() | ||
82 | { | ||
83 | throw new NotImplementedException(); | ||
84 | } | ||
85 | |||
86 | public string Name | ||
87 | { | ||
88 | get { return "VoiceChatModule"; } | ||
89 | } | ||
90 | |||
91 | public bool IsSharedModule | ||
92 | { | ||
93 | get { return true; } // I think we can share this one. | ||
94 | } | ||
95 | |||
96 | #endregion | ||
97 | |||
98 | public void NewClient(IClientAPI client) | ||
99 | { | ||
100 | m_log.Info("[VOICECHAT]: New client: " + client.AgentId); | ||
101 | lock (m_uuidToClient) | ||
102 | { | ||
103 | m_uuidToClient[client.AgentId] = null; | ||
104 | } | ||
105 | } | ||
106 | |||
107 | public void RemovePresence(LLUUID uuid) | ||
108 | { | ||
109 | lock (m_uuidToClient) | ||
110 | { | ||
111 | if (m_uuidToClient.ContainsKey(uuid)) | ||
112 | { | ||
113 | if (m_uuidToClient[uuid] != null) | ||
114 | { | ||
115 | RemoveClient(m_uuidToClient[uuid].m_socket); | ||
116 | } | ||
117 | m_uuidToClient.Remove(uuid); | ||
118 | } | ||
119 | else | ||
120 | { | ||
121 | m_log.Error("[VOICECHAT]: Presence not found on RemovePresence: " + uuid); | ||
122 | } | ||
123 | } | ||
124 | } | ||
125 | |||
126 | public bool AddClient(VoiceClient client, LLUUID uuid) | ||
127 | { | ||
128 | lock (m_uuidToClient) | ||
129 | { | ||
130 | if (m_uuidToClient.ContainsKey(uuid)) | ||
131 | { | ||
132 | if (m_uuidToClient[uuid] != null) { | ||
133 | m_log.Warn("[VOICECHAT]: Multiple login attempts for " + uuid); | ||
134 | return false; | ||
135 | } | ||
136 | m_uuidToClient[uuid] = client; | ||
137 | return true; | ||
138 | } | ||
139 | } | ||
140 | return false; | ||
141 | } | ||
142 | |||
143 | public void RemoveClient(Socket socket) | ||
144 | { | ||
145 | m_log.Info("[VOICECHAT]: Removing client"); | ||
146 | lock(m_clients) | ||
147 | { | ||
148 | VoiceClient client = m_clients[socket]; | ||
149 | |||
150 | lock(m_uuidToClient) | ||
151 | { | ||
152 | if (m_uuidToClient.ContainsKey(client.m_clientId)) | ||
153 | { | ||
154 | m_uuidToClient[client.m_clientId] = null; | ||
155 | } | ||
156 | } | ||
157 | |||
158 | m_clients.Remove(socket); | ||
159 | client.m_socket.Close(); | ||
160 | } | ||
161 | } | ||
162 | |||
163 | protected void CreateListeningSocket() | ||
164 | { | ||
165 | IPEndPoint listenEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), 12000); | ||
166 | m_server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); | ||
167 | m_server.Bind(listenEndPoint); | ||
168 | m_server.Listen(50); | ||
169 | } | ||
170 | |||
171 | void ListenIncomingConnections() | ||
172 | { | ||
173 | m_log.Info("[VOICECHAT]: Listening connections..."); | ||
174 | //ServerStatus.ReportThreadName("VoiceChat: Connection listener"); | ||
175 | |||
176 | byte[] dummyBuffer = new byte[1]; | ||
177 | |||
178 | while (true) | ||
179 | { | ||
180 | try | ||
181 | { | ||
182 | Socket connection = m_server.Accept(); | ||
183 | lock (m_clients) | ||
184 | { | ||
185 | m_clients[connection] = new VoiceClient(connection, this); | ||
186 | m_selectCancel.Send(dummyBuffer); | ||
187 | m_log.Info("[VOICECHAT]: Voicechat connection from " + connection.RemoteEndPoint.ToString()); | ||
188 | } | ||
189 | } | ||
190 | catch (SocketException e) | ||
191 | { | ||
192 | m_log.Error("[VOICECHAT]: During accept: " + e.ToString()); | ||
193 | } | ||
194 | } | ||
195 | } | ||
196 | |||
197 | Socket ListenLoopbackSocket() | ||
198 | { | ||
199 | IPEndPoint listenEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), m_dummySocketPort); | ||
200 | Socket dummyListener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); | ||
201 | dummyListener.Bind(listenEndPoint); | ||
202 | dummyListener.Listen(1); | ||
203 | Socket socket = dummyListener.Accept(); | ||
204 | dummyListener.Close(); | ||
205 | return socket; | ||
206 | } | ||
207 | |||
208 | void RunVoiceChat() | ||
209 | { | ||
210 | m_log.Info("[VOICECHAT]: Connection handler started..."); | ||
211 | //ServerStatus.ReportThreadName("VoiceChat: Connection handler"); | ||
212 | |||
213 | //Listen a loopback socket for aborting select call | ||
214 | Socket dummySocket = ListenLoopbackSocket(); | ||
215 | |||
216 | List<Socket> sockets = new List<Socket>(); | ||
217 | byte[] buffer = new byte[65536]; | ||
218 | |||
219 | while (true) | ||
220 | { | ||
221 | if (m_clients.Count == 0) | ||
222 | { | ||
223 | Thread.Sleep(100); | ||
224 | continue; | ||
225 | } | ||
226 | |||
227 | lock (m_clients) | ||
228 | { | ||
229 | foreach (Socket s in m_clients.Keys) | ||
230 | { | ||
231 | sockets.Add(s); | ||
232 | } | ||
233 | } | ||
234 | sockets.Add(dummySocket); | ||
235 | |||
236 | try | ||
237 | { | ||
238 | Socket.Select(sockets, null, null, 200000); | ||
239 | } | ||
240 | catch (SocketException e) | ||
241 | { | ||
242 | m_log.Warn("[VOICECHAT]: " + e.Message); | ||
243 | } | ||
244 | |||
245 | foreach (Socket s in sockets) | ||
246 | { | ||
247 | try | ||
248 | { | ||
249 | if (s.RemoteEndPoint != dummySocket.RemoteEndPoint) | ||
250 | { | ||
251 | ReceiveFromSocket(s, buffer); | ||
252 | } | ||
253 | else | ||
254 | { | ||
255 | //Receive data and check if there was an error with select abort socket | ||
256 | if (s.Receive(buffer) <= 0) | ||
257 | { | ||
258 | //Just give a warning for now | ||
259 | m_log.Error("[VOICECHAT]: Select abort socket was closed"); | ||
260 | } | ||
261 | } | ||
262 | } | ||
263 | catch(ObjectDisposedException e) | ||
264 | { | ||
265 | m_log.Warn("[VOICECHAT]: Connection has been already closed"); | ||
266 | } | ||
267 | catch (Exception e) | ||
268 | { | ||
269 | m_log.Error("[VOICECHAT]: Exception: " + e.Message); | ||
270 | |||
271 | RemoveClient(s); | ||
272 | } | ||
273 | } | ||
274 | |||
275 | sockets.Clear(); | ||
276 | } | ||
277 | } | ||
278 | |||
279 | private void ReceiveFromSocket( Socket s, byte[] buffer ) | ||
280 | { | ||
281 | int byteCount = s.Receive(buffer); | ||
282 | if (byteCount <= 0) | ||
283 | { | ||
284 | m_log.Info("[VOICECHAT]: Connection lost to " + s.RemoteEndPoint); | ||
285 | lock (m_clients) | ||
286 | { | ||
287 | RemoveClient(s); | ||
288 | } | ||
289 | } | ||
290 | else | ||
291 | { | ||
292 | //ServerStatus.ReportInPacketTcp(byteCount); | ||
293 | lock (m_clients) | ||
294 | { | ||
295 | if (m_clients.ContainsKey(s)) | ||
296 | { | ||
297 | m_clients[s].OnDataReceived(buffer, byteCount); | ||
298 | } | ||
299 | else | ||
300 | { | ||
301 | m_log.Warn("[VOICECHAT]: Got data from " + s.RemoteEndPoint + | ||
302 | ", but source is not a valid voice client"); | ||
303 | } | ||
304 | } | ||
305 | } | ||
306 | } | ||
307 | |||
308 | public void BroadcastVoice(VoicePacket packet) | ||
309 | { | ||
310 | libsecondlife.LLVector3 origPos = m_scene.GetScenePresence(packet.m_clientId).AbsolutePosition; | ||
311 | |||
312 | byte[] bytes = packet.GetBytes(); | ||
313 | foreach (VoiceClient client in m_clients.Values) | ||
314 | { | ||
315 | if (client.IsEnabled() && client.m_clientId != packet.m_clientId && | ||
316 | client.m_authenticated && client.IsCodecSupported(packet.m_codec)) | ||
317 | { | ||
318 | ScenePresence presence = m_scene.GetScenePresence(client.m_clientId); | ||
319 | |||
320 | if (presence != null && Util.GetDistanceTo(presence.AbsolutePosition, origPos) < 20) | ||
321 | { | ||
322 | client.SendTo(bytes); | ||
323 | } | ||
324 | } | ||
325 | } | ||
326 | } | ||
327 | } | ||
328 | } | ||