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Diffstat (limited to '')
-rw-r--r-- | OpenSim/Region/Environment/Modules/VoiceChat/VoiceChatServer.cs | 370 |
1 files changed, 0 insertions, 370 deletions
diff --git a/OpenSim/Region/Environment/Modules/VoiceChat/VoiceChatServer.cs b/OpenSim/Region/Environment/Modules/VoiceChat/VoiceChatServer.cs deleted file mode 100644 index aa8764d..0000000 --- a/OpenSim/Region/Environment/Modules/VoiceChat/VoiceChatServer.cs +++ /dev/null | |||
@@ -1,370 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (c) Contributors, http://opensimulator.org/ | ||
3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. | ||
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 | * * Redistributions of source code must retain the above copyright | ||
8 | * notice, this list of conditions and the following disclaimer. | ||
9 | * * Redistributions in binary form must reproduce the above copyright | ||
10 | * notice, this list of conditions and the following disclaimer in the | ||
11 | * documentation and/or other materials provided with the distribution. | ||
12 | * * Neither the name of the OpenSim Project nor the | ||
13 | * names of its contributors may 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 DEVELOPERS ``AS IS'' AND ANY | ||
17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | ||
18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY | ||
20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | ||
21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | ||
23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
26 | */ | ||
27 | |||
28 | using System; | ||
29 | using System.Collections.Generic; | ||
30 | using System.Text; | ||
31 | using System.Threading; | ||
32 | using System.Net.Sockets; | ||
33 | using System.Net; | ||
34 | using OpenSim.Region.Environment.Scenes; | ||
35 | using OpenSim.Framework; | ||
36 | using OpenSim.Region.Environment.Modules; | ||
37 | using OpenSim.Region.Environment.Interfaces; | ||
38 | using Nini; | ||
39 | using libsecondlife; | ||
40 | |||
41 | namespace OpenSim.Region.Environment.Modules.VoiceChat | ||
42 | { | ||
43 | public class VoiceChatServer : IRegionModule | ||
44 | { | ||
45 | private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType); | ||
46 | |||
47 | int m_dummySocketPort = 53134; | ||
48 | |||
49 | Thread m_listenerThread; | ||
50 | Thread m_mainThread; | ||
51 | List<Scene> m_scenes = new List<Scene>(); | ||
52 | Socket m_server; | ||
53 | Socket m_selectCancel; | ||
54 | bool m_enabled = false; | ||
55 | |||
56 | Dictionary<Socket, VoiceClient> m_clients = new Dictionary<Socket,VoiceClient>(); | ||
57 | Dictionary<LLUUID, VoiceClient> m_uuidToClient = new Dictionary<LLUUID,VoiceClient>(); | ||
58 | |||
59 | |||
60 | #region IRegionModule Members | ||
61 | |||
62 | public void Initialise(Scene scene, Nini.Config.IConfigSource source) | ||
63 | { | ||
64 | try | ||
65 | { | ||
66 | m_enabled = source.Configs["Voice"].GetBoolean("enabled", m_enabled); | ||
67 | } | ||
68 | catch (Exception) | ||
69 | { } | ||
70 | |||
71 | if (m_enabled) | ||
72 | { | ||
73 | if (!m_scenes.Contains(scene)) | ||
74 | m_scenes.Add(scene); | ||
75 | |||
76 | scene.EventManager.OnNewClient += NewClient; | ||
77 | scene.EventManager.OnRemovePresence += RemovePresence; | ||
78 | } | ||
79 | } | ||
80 | |||
81 | public void PostInitialise() | ||
82 | { | ||
83 | if (m_enabled != true) | ||
84 | return; | ||
85 | |||
86 | try | ||
87 | { | ||
88 | CreateListeningSocket(); | ||
89 | } | ||
90 | catch (Exception) | ||
91 | { | ||
92 | m_log.Error("[VOICECHAT]: Unable to start listening"); | ||
93 | return; | ||
94 | } | ||
95 | |||
96 | m_listenerThread = new Thread(new ThreadStart(ListenIncomingConnections)); | ||
97 | m_listenerThread.IsBackground = true; | ||
98 | m_listenerThread.Start(); | ||
99 | |||
100 | m_mainThread = new Thread(new ThreadStart(RunVoiceChat)); | ||
101 | m_mainThread.IsBackground = true; | ||
102 | m_mainThread.Start(); | ||
103 | |||
104 | Thread.Sleep(500); | ||
105 | m_selectCancel = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); | ||
106 | m_selectCancel.Connect("localhost", m_dummySocketPort); | ||
107 | } | ||
108 | |||
109 | public void Close() | ||
110 | { | ||
111 | throw new NotImplementedException(); | ||
112 | } | ||
113 | |||
114 | public string Name | ||
115 | { | ||
116 | get { return "VoiceChatModule"; } | ||
117 | } | ||
118 | |||
119 | public bool IsSharedModule | ||
120 | { | ||
121 | get { return true; } // I think we can share this one. | ||
122 | } | ||
123 | |||
124 | #endregion | ||
125 | |||
126 | public void NewClient(IClientAPI client) | ||
127 | { | ||
128 | m_log.Info("[VOICECHAT]: New client: " + client.AgentId); | ||
129 | lock (m_uuidToClient) | ||
130 | { | ||
131 | m_uuidToClient[client.AgentId] = null; | ||
132 | } | ||
133 | } | ||
134 | |||
135 | public void RemovePresence(LLUUID uuid) | ||
136 | { | ||
137 | lock (m_uuidToClient) | ||
138 | { | ||
139 | if (m_uuidToClient.ContainsKey(uuid)) | ||
140 | { | ||
141 | if (m_uuidToClient[uuid] != null) | ||
142 | { | ||
143 | RemoveClient(m_uuidToClient[uuid].m_socket); | ||
144 | } | ||
145 | m_uuidToClient.Remove(uuid); | ||
146 | } | ||
147 | else | ||
148 | { | ||
149 | m_log.Error("[VOICECHAT]: Presence not found on RemovePresence: " + uuid); | ||
150 | } | ||
151 | } | ||
152 | } | ||
153 | |||
154 | public bool AddClient(VoiceClient client, LLUUID uuid) | ||
155 | { | ||
156 | lock (m_uuidToClient) | ||
157 | { | ||
158 | if (m_uuidToClient.ContainsKey(uuid)) | ||
159 | { | ||
160 | if (m_uuidToClient[uuid] != null) { | ||
161 | m_log.Warn("[VOICECHAT]: Multiple login attempts for " + uuid); | ||
162 | return false; | ||
163 | } | ||
164 | m_uuidToClient[uuid] = client; | ||
165 | return true; | ||
166 | } | ||
167 | } | ||
168 | return false; | ||
169 | } | ||
170 | |||
171 | public void RemoveClient(Socket socket) | ||
172 | { | ||
173 | m_log.Info("[VOICECHAT]: Removing client"); | ||
174 | lock(m_clients) | ||
175 | { | ||
176 | VoiceClient client = m_clients[socket]; | ||
177 | |||
178 | lock(m_uuidToClient) | ||
179 | { | ||
180 | if (m_uuidToClient.ContainsKey(client.m_clientId)) | ||
181 | { | ||
182 | m_uuidToClient[client.m_clientId] = null; | ||
183 | } | ||
184 | } | ||
185 | |||
186 | m_clients.Remove(socket); | ||
187 | client.m_socket.Close(); | ||
188 | } | ||
189 | } | ||
190 | |||
191 | protected void CreateListeningSocket() | ||
192 | { | ||
193 | IPEndPoint listenEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), 12000); | ||
194 | m_server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); | ||
195 | m_server.Bind(listenEndPoint); | ||
196 | m_server.Listen(50); | ||
197 | } | ||
198 | |||
199 | void ListenIncomingConnections() | ||
200 | { | ||
201 | m_log.Info("[VOICECHAT]: Listening connections..."); | ||
202 | //ServerStatus.ReportThreadName("VoiceChat: Connection listener"); | ||
203 | |||
204 | byte[] dummyBuffer = new byte[1]; | ||
205 | |||
206 | while (true) | ||
207 | { | ||
208 | try | ||
209 | { | ||
210 | Socket connection = m_server.Accept(); | ||
211 | lock (m_clients) | ||
212 | { | ||
213 | m_clients[connection] = new VoiceClient(connection, this); | ||
214 | m_selectCancel.Send(dummyBuffer); | ||
215 | m_log.Info("[VOICECHAT]: Voicechat connection from " + connection.RemoteEndPoint.ToString()); | ||
216 | } | ||
217 | } | ||
218 | catch (SocketException e) | ||
219 | { | ||
220 | m_log.Error("[VOICECHAT]: During accept: " + e.ToString()); | ||
221 | } | ||
222 | } | ||
223 | } | ||
224 | |||
225 | Socket ListenLoopbackSocket() | ||
226 | { | ||
227 | IPEndPoint listenEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), m_dummySocketPort); | ||
228 | Socket dummyListener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); | ||
229 | dummyListener.Bind(listenEndPoint); | ||
230 | dummyListener.Listen(1); | ||
231 | Socket socket = dummyListener.Accept(); | ||
232 | dummyListener.Close(); | ||
233 | return socket; | ||
234 | } | ||
235 | |||
236 | void RunVoiceChat() | ||
237 | { | ||
238 | m_log.Info("[VOICECHAT]: Connection handler started..."); | ||
239 | //ServerStatus.ReportThreadName("VoiceChat: Connection handler"); | ||
240 | |||
241 | //Listen a loopback socket for aborting select call | ||
242 | Socket dummySocket = ListenLoopbackSocket(); | ||
243 | |||
244 | List<Socket> sockets = new List<Socket>(); | ||
245 | byte[] buffer = new byte[65536]; | ||
246 | |||
247 | while (true) | ||
248 | { | ||
249 | if (m_clients.Count == 0) | ||
250 | { | ||
251 | Thread.Sleep(100); | ||
252 | continue; | ||
253 | } | ||
254 | |||
255 | lock (m_clients) | ||
256 | { | ||
257 | foreach (Socket s in m_clients.Keys) | ||
258 | { | ||
259 | sockets.Add(s); | ||
260 | } | ||
261 | } | ||
262 | sockets.Add(dummySocket); | ||
263 | |||
264 | try | ||
265 | { | ||
266 | Socket.Select(sockets, null, null, 200000); | ||
267 | } | ||
268 | catch (SocketException e) | ||
269 | { | ||
270 | m_log.Warn("[VOICECHAT]: " + e.Message); | ||
271 | } | ||
272 | |||
273 | foreach (Socket s in sockets) | ||
274 | { | ||
275 | try | ||
276 | { | ||
277 | if (s.RemoteEndPoint != dummySocket.RemoteEndPoint) | ||
278 | { | ||
279 | ReceiveFromSocket(s, buffer); | ||
280 | } | ||
281 | else | ||
282 | { | ||
283 | //Receive data and check if there was an error with select abort socket | ||
284 | if (s.Receive(buffer) <= 0) | ||
285 | { | ||
286 | //Just give a warning for now | ||
287 | m_log.Error("[VOICECHAT]: Select abort socket was closed"); | ||
288 | } | ||
289 | } | ||
290 | } | ||
291 | catch(ObjectDisposedException) | ||
292 | { | ||
293 | m_log.Warn("[VOICECHAT]: Connection has been already closed"); | ||
294 | } | ||
295 | catch (Exception e) | ||
296 | { | ||
297 | m_log.Error("[VOICECHAT]: Exception: " + e.Message); | ||
298 | |||
299 | RemoveClient(s); | ||
300 | } | ||
301 | } | ||
302 | |||
303 | sockets.Clear(); | ||
304 | } | ||
305 | } | ||
306 | |||
307 | private void ReceiveFromSocket( Socket s, byte[] buffer ) | ||
308 | { | ||
309 | int byteCount = s.Receive(buffer); | ||
310 | if (byteCount <= 0) | ||
311 | { | ||
312 | m_log.Info("[VOICECHAT]: Connection lost to " + s.RemoteEndPoint); | ||
313 | lock (m_clients) | ||
314 | { | ||
315 | RemoveClient(s); | ||
316 | } | ||
317 | } | ||
318 | else | ||
319 | { | ||
320 | //ServerStatus.ReportInPacketTcp(byteCount); | ||
321 | lock (m_clients) | ||
322 | { | ||
323 | if (m_clients.ContainsKey(s)) | ||
324 | { | ||
325 | m_clients[s].OnDataReceived(buffer, byteCount); | ||
326 | } | ||
327 | else | ||
328 | { | ||
329 | m_log.Warn("[VOICECHAT]: Got data from " + s.RemoteEndPoint + | ||
330 | ", but source is not a valid voice client"); | ||
331 | } | ||
332 | } | ||
333 | } | ||
334 | } | ||
335 | |||
336 | public LLVector3 getScenePresencePosition(LLUUID clientID) | ||
337 | { | ||
338 | foreach (Scene scene in m_scenes) | ||
339 | { | ||
340 | ScenePresence x; | ||
341 | if ((x = scene.GetScenePresence(clientID)) != null) | ||
342 | { | ||
343 | return x.AbsolutePosition + new LLVector3(Constants.RegionSize * scene.RegionInfo.RegionLocX, | ||
344 | Constants.RegionSize * scene.RegionInfo.RegionLocY, 0); | ||
345 | } | ||
346 | } | ||
347 | return LLVector3.Zero; | ||
348 | } | ||
349 | |||
350 | public void BroadcastVoice(VoicePacket packet) | ||
351 | { | ||
352 | libsecondlife.LLVector3 origPos = getScenePresencePosition(packet.m_clientId); | ||
353 | |||
354 | byte[] bytes = packet.GetBytes(); | ||
355 | foreach (VoiceClient client in m_clients.Values) | ||
356 | { | ||
357 | if (client.IsEnabled() && client.m_clientId != packet.m_clientId && | ||
358 | client.m_authenticated && client.IsCodecSupported(packet.m_codec)) | ||
359 | { | ||
360 | LLVector3 presenceLoc = getScenePresencePosition(client.m_clientId); | ||
361 | |||
362 | if (presenceLoc != LLVector3.Zero && Util.GetDistanceTo(presenceLoc, origPos) < 20) | ||
363 | { | ||
364 | client.SendTo(bytes); | ||
365 | } | ||
366 | } | ||
367 | } | ||
368 | } | ||
369 | } | ||
370 | } | ||