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-rw-r--r--OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs (renamed from OpenSim/Region/ClientStack/UDPServer.cs)987
1 files changed, 499 insertions, 488 deletions
diff --git a/OpenSim/Region/ClientStack/UDPServer.cs b/OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs
index 7c4c03c..f85dcc2 100644
--- a/OpenSim/Region/ClientStack/UDPServer.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs
@@ -1,488 +1,499 @@
1/* 1/*
2 * Copyright (c) Contributors, http://opensimulator.org/ 2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders. 3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 * 4 *
5 * Redistribution and use in source and binary forms, with or without 5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met: 6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright 7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer. 8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright 9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the 10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution. 11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSim Project nor the 12 * * Neither the name of the OpenSim Project nor the
13 * names of its contributors may be used to endorse or promote products 13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission. 14 * derived from this software without specific prior written permission.
15 * 15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY 16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY 19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 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 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 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 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. 25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */ 26 */
27 27
28using System; 28using System;
29using System.Collections.Generic; 29using System.Collections.Generic;
30using System.Net; 30using System.Net;
31using System.Net.Sockets; 31using System.Net.Sockets;
32using System.Reflection; 32using System.Reflection;
33using libsecondlife.Packets; 33using libsecondlife.Packets;
34using log4net; 34using log4net;
35using OpenSim.Framework; 35using OpenSim.Framework;
36using OpenSim.Framework.Communications.Cache; 36using OpenSim.Framework.Communications.Cache;
37 37using OpenSim.Region.ClientStack.LindenUDP;
38namespace OpenSim.Region.ClientStack 38
39{ 39namespace OpenSim.Region.ClientStack.LindenUDP
40 public class UDPServer : ClientStackNetworkHandler 40{
41 { 41 public class LLUDPServer : LLClientStackNetworkHandler, IClientNetworkServer
42 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); 42 {
43 43 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
44 protected Dictionary<EndPoint, uint> clientCircuits = new Dictionary<EndPoint, uint>(); 44
45 public Dictionary<uint, EndPoint> clientCircuits_reverse = new Dictionary<uint, EndPoint>(); 45 protected Dictionary<EndPoint, uint> clientCircuits = new Dictionary<EndPoint, uint>();
46 protected Dictionary<uint, EndPoint> proxyCircuits = new Dictionary<uint, EndPoint>(); 46 public Dictionary<uint, EndPoint> clientCircuits_reverse = new Dictionary<uint, EndPoint>();
47 public Socket Server; 47 protected Dictionary<uint, EndPoint> proxyCircuits = new Dictionary<uint, EndPoint>();
48 protected IPEndPoint ServerIncoming; 48 private Socket m_socket;
49 protected byte[] RecvBuffer = new byte[4096]; 49 protected IPEndPoint ServerIncoming;
50 protected byte[] ZeroBuffer = new byte[8192]; 50 protected byte[] RecvBuffer = new byte[4096];
51 protected IPEndPoint ipeSender; 51 protected byte[] ZeroBuffer = new byte[8192];
52 protected EndPoint epSender; 52 protected IPEndPoint ipeSender;
53 protected EndPoint epProxy; 53 protected EndPoint epSender;
54 protected int proxyPortOffset; 54 protected EndPoint epProxy;
55 protected AsyncCallback ReceivedData; 55 protected int proxyPortOffset;
56 protected PacketServer m_packetServer; 56 protected AsyncCallback ReceivedData;
57 protected ulong m_regionHandle; 57 protected LLPacketServer m_packetServer;
58 58 protected Location m_location;
59 protected uint listenPort; 59
60 protected bool Allow_Alternate_Port; 60 protected uint listenPort;
61 protected IPAddress listenIP = IPAddress.Parse("0.0.0.0"); 61 protected bool Allow_Alternate_Port;
62 protected IScene m_localScene; 62 protected IPAddress listenIP = IPAddress.Parse("0.0.0.0");
63 protected AssetCache m_assetCache; 63 protected IScene m_localScene;
64 protected AgentCircuitManager m_authenticateSessionsClass; 64 protected AssetCache m_assetCache;
65 65 protected AgentCircuitManager m_authenticateSessionsClass;
66 public PacketServer PacketServer 66
67 { 67 public LLPacketServer PacketServer
68 get { return m_packetServer; } 68 {
69 set { m_packetServer = value; } 69 get { return m_packetServer; }
70 } 70 set { m_packetServer = value; }
71 71 }
72 public IScene LocalScene 72
73 { 73 public IScene LocalScene
74 set 74 {
75 { 75 set
76 m_localScene = value; 76 {
77 m_packetServer.LocalScene = m_localScene; 77 m_localScene = value;
78 m_regionHandle = m_localScene.RegionInfo.RegionHandle; 78 m_packetServer.LocalScene = m_localScene;
79 } 79 m_location = new Location(m_localScene.RegionInfo.RegionHandle);
80 } 80 }
81 81 }
82 public ulong RegionHandle 82
83 { 83 public ulong RegionHandle
84 get { return m_regionHandle; } 84 {
85 } 85 get { return m_location.RegionHandle; }
86 86 }
87 public UDPServer() 87
88 { 88 Socket IClientNetworkServer.Server
89 } 89 {
90 90 get { return m_socket; }
91 public UDPServer(IPAddress _listenIP, ref uint port, int proxyPortOffset, bool allow_alternate_port, AssetCache assetCache, AgentCircuitManager authenticateClass) 91 }
92 { 92
93 this.proxyPortOffset = proxyPortOffset; 93 public bool HandlesRegion(Location x)
94 listenPort = (uint) (port + proxyPortOffset); 94 {
95 listenIP = _listenIP; 95 return x == m_location;
96 Allow_Alternate_Port = allow_alternate_port; 96 }
97 m_assetCache = assetCache; 97
98 m_authenticateSessionsClass = authenticateClass; 98 public LLUDPServer()
99 CreatePacketServer(); 99 {
100 100 }
101 // Return new port 101
102 // This because in Grid mode it is not really important what port the region listens to as long as it is correctly registered. 102 public LLUDPServer(IPAddress _listenIP, ref uint port, int proxyPortOffset, bool allow_alternate_port, AssetCache assetCache, AgentCircuitManager authenticateClass)
103 // So the option allow_alternate_ports="true" was added to default.xml 103 {
104 port = (uint)(listenPort - proxyPortOffset); 104 this.proxyPortOffset = proxyPortOffset;
105 } 105 listenPort = (uint) (port + proxyPortOffset);
106 106 listenIP = _listenIP;
107 protected virtual void CreatePacketServer() 107 Allow_Alternate_Port = allow_alternate_port;
108 { 108 m_assetCache = assetCache;
109 PacketServer packetServer = new PacketServer(this); 109 m_authenticateSessionsClass = authenticateClass;
110 } 110 CreatePacketServer();
111 111
112 protected virtual void OnReceivedData(IAsyncResult result) 112 // Return new port
113 { 113 // This because in Grid mode it is not really important what port the region listens to as long as it is correctly registered.
114 ipeSender = new IPEndPoint(listenIP, 0); 114 // So the option allow_alternate_ports="true" was added to default.xml
115 epSender = (EndPoint) ipeSender; 115 port = (uint)(listenPort - proxyPortOffset);
116 Packet packet = null; 116 }
117 117
118 int numBytes = 1; 118 protected virtual void CreatePacketServer()
119 119 {
120 try 120 LLPacketServer packetServer = new LLPacketServer(this);
121 { 121 }
122 numBytes = Server.EndReceiveFrom(result, ref epSender); 122
123 } 123 protected virtual void OnReceivedData(IAsyncResult result)
124 catch (SocketException e) 124 {
125 { 125 ipeSender = new IPEndPoint(listenIP, 0);
126 // TODO : Actually only handle those states that we have control over, re-throw everything else, 126 epSender = (EndPoint) ipeSender;
127 // TODO: implement cases as we encounter them. 127 Packet packet = null;
128 //m_log.Error("[UDPSERVER]: Connection Error! - " + e.ToString()); 128
129 switch (e.SocketErrorCode) 129 int numBytes = 1;
130 { 130
131 case SocketError.AlreadyInProgress: 131 try
132 case SocketError.NetworkReset: 132 {
133 case SocketError.ConnectionReset: 133 numBytes = m_socket.EndReceiveFrom(result, ref epSender);
134 try 134 }
135 { 135 catch (SocketException e)
136 CloseEndPoint(epSender); 136 {
137 } 137 // TODO : Actually only handle those states that we have control over, re-throw everything else,
138 catch (Exception a) 138 // TODO: implement cases as we encounter them.
139 { 139 //m_log.Error("[UDPSERVER]: Connection Error! - " + e.ToString());
140 m_log.Info("[UDPSERVER]: " + a.ToString()); 140 switch (e.SocketErrorCode)
141 } 141 {
142 try 142 case SocketError.AlreadyInProgress:
143 { 143 case SocketError.NetworkReset:
144 Server.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender, 144 case SocketError.ConnectionReset:
145 ReceivedData, null); 145 try
146 146 {
147 // Ter: For some stupid reason ConnectionReset basically kills our async event structure.. 147 CloseEndPoint(epSender);
148 // so therefore.. we've got to tell the server to BeginReceiveFrom again. 148 }
149 // This will happen over and over until we've gone through all packets 149 catch (Exception a)
150 // sent to and from this particular user. 150 {
151 // Stupid I know.. 151 m_log.Info("[UDPSERVER]: " + a.ToString());
152 // but Flusing the buffer would be even more stupid... so, we're stuck with this ugly method. 152 }
153 } 153 try
154 catch (SocketException) 154 {
155 { 155 m_socket.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender,
156 } 156 ReceivedData, null);
157 break; 157
158 default: 158 // Ter: For some stupid reason ConnectionReset basically kills our async event structure..
159 try 159 // so therefore.. we've got to tell the server to BeginReceiveFrom again.
160 { 160 // This will happen over and over until we've gone through all packets
161 CloseEndPoint(epSender); 161 // sent to and from this particular user.
162 } 162 // Stupid I know..
163 catch (Exception) 163 // but Flusing the buffer would be even more stupid... so, we're stuck with this ugly method.
164 { 164 }
165 //m_log.Info("[UDPSERVER]" + a.ToString()); 165 catch (SocketException)
166 } 166 {
167 try 167 }
168 { 168 break;
169 Server.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender, 169 default:
170 ReceivedData, null); 170 try
171 171 {
172 // Ter: For some stupid reason ConnectionReset basically kills our async event structure.. 172 CloseEndPoint(epSender);
173 // so therefore.. we've got to tell the server to BeginReceiveFrom again. 173 }
174 // This will happen over and over until we've gone through all packets 174 catch (Exception)
175 // sent to and from this particular user. 175 {
176 // Stupid I know.. 176 //m_log.Info("[UDPSERVER]" + a.ToString());
177 // but Flusing the buffer would be even more stupid... so, we're stuck with this ugly method. 177 }
178 } 178 try
179 catch (SocketException e2) 179 {
180 { 180 m_socket.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender,
181 m_log.Error("[UDPSERVER]: " + e2.ToString()); 181 ReceivedData, null);
182 } 182
183 183 // Ter: For some stupid reason ConnectionReset basically kills our async event structure..
184 // Here's some reference code! :D 184 // so therefore.. we've got to tell the server to BeginReceiveFrom again.
185 // Shutdown and restart the UDP listener! hehe 185 // This will happen over and over until we've gone through all packets
186 // Shiny 186 // sent to and from this particular user.
187 187 // Stupid I know..
188 //Server.Shutdown(SocketShutdown.Both); 188 // but Flusing the buffer would be even more stupid... so, we're stuck with this ugly method.
189 //CloseEndPoint(epSender); 189 }
190 //ServerListener(); 190 catch (SocketException e2)
191 break; 191 {
192 } 192 m_log.Error("[UDPSERVER]: " + e2.ToString());
193 193 }
194 //return; 194
195 } 195 // Here's some reference code! :D
196 catch (ObjectDisposedException e) 196 // Shutdown and restart the UDP listener! hehe
197 { 197 // Shiny
198 m_log.Debug("[UDPSERVER]: " + e.ToString()); 198
199 try 199 //Server.Shutdown(SocketShutdown.Both);
200 { 200 //CloseEndPoint(epSender);
201 Server.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender, 201 //ServerListener();
202 ReceivedData, null); 202 break;
203 203 }
204 // Ter: For some stupid reason ConnectionReset basically kills our async event structure.. 204
205 // so therefore.. we've got to tell the server to BeginReceiveFrom again. 205 //return;
206 // This will happen over and over until we've gone through all packets 206 }
207 // sent to and from this particular user. 207 catch (ObjectDisposedException e)
208 // Stupid I know.. 208 {
209 // but Flusing the buffer would be even more stupid... so, we're stuck with this ugly method. 209 m_log.Debug("[UDPSERVER]: " + e.ToString());
210 } 210 try
211 211 {
212 catch (SocketException e2) 212 m_socket.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender,
213 { 213 ReceivedData, null);
214 m_log.Error("[UDPSERVER]: " + e2.ToString()); 214
215 } 215 // Ter: For some stupid reason ConnectionReset basically kills our async event structure..
216 catch (ObjectDisposedException) 216 // so therefore.. we've got to tell the server to BeginReceiveFrom again.
217 { 217 // This will happen over and over until we've gone through all packets
218 } 218 // sent to and from this particular user.
219 //return; 219 // Stupid I know..
220 } 220 // but Flusing the buffer would be even more stupid... so, we're stuck with this ugly method.
221 221 }
222 //System.Console.WriteLine("UDPServer : recieved message from {0}", epSender.ToString()); 222
223 epProxy = epSender; 223 catch (SocketException e2)
224 if (proxyPortOffset != 0) 224 {
225 { 225 m_log.Error("[UDPSERVER]: " + e2.ToString());
226 epSender = PacketPool.DecodeProxyMessage(RecvBuffer, ref numBytes); 226 }
227 } 227 catch (ObjectDisposedException)
228 228 {
229 int packetEnd = numBytes - 1; 229 }
230 230 //return;
231 try 231 }
232 { 232
233 packet = PacketPool.Instance.GetPacket(RecvBuffer, ref packetEnd, ZeroBuffer); 233 //System.Console.WriteLine("UDPServer : recieved message from {0}", epSender.ToString());
234 } 234 epProxy = epSender;
235 catch (Exception e) 235 if (proxyPortOffset != 0)
236 { 236 {
237 m_log.Debug("[UDPSERVER]: " + e.ToString()); 237 epSender = PacketPool.DecodeProxyMessage(RecvBuffer, ref numBytes);
238 } 238 }
239 239
240 try 240 int packetEnd = numBytes - 1;
241 { 241
242 Server.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender, ReceivedData, null); 242 try
243 } 243 {
244 catch (SocketException) 244 packet = PacketPool.Instance.GetPacket(RecvBuffer, ref packetEnd, ZeroBuffer);
245 { 245 }
246 try 246 catch (Exception e)
247 { 247 {
248 CloseEndPoint(epSender); 248 m_log.Debug("[UDPSERVER]: " + e.ToString());
249 } 249 }
250 catch (Exception a) 250
251 { 251 try
252 m_log.Info("[UDPSERVER]: " + a.ToString()); 252 {
253 } 253 m_socket.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender, ReceivedData, null);
254 try 254 }
255 { 255 catch (SocketException)
256 Server.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender, 256 {
257 ReceivedData, null); 257 try
258 258 {
259 // Ter: For some stupid reason ConnectionReset basically kills our async event structure.. 259 CloseEndPoint(epSender);
260 // so therefore.. we've got to tell the server to BeginReceiveFrom again. 260 }
261 // This will happen over and over until we've gone through all packets 261 catch (Exception a)
262 // sent to and from this particular user. 262 {
263 // Stupid I know.. 263 m_log.Info("[UDPSERVER]: " + a.ToString());
264 // but Flusing the buffer would be even more stupid... so, we're stuck with this ugly method. 264 }
265 } 265 try
266 catch (SocketException e5) 266 {
267 { 267 m_socket.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender,
268 m_log.Error("[UDPSERVER]: " + e5.ToString()); 268 ReceivedData, null);
269 } 269
270 } 270 // Ter: For some stupid reason ConnectionReset basically kills our async event structure..
271 catch (ObjectDisposedException) 271 // so therefore.. we've got to tell the server to BeginReceiveFrom again.
272 { 272 // This will happen over and over until we've gone through all packets
273 } 273 // sent to and from this particular user.
274 274 // Stupid I know..
275 if (packet != null) 275 // but Flusing the buffer would be even more stupid... so, we're stuck with this ugly method.
276 { 276 }
277 try 277 catch (SocketException e5)
278 { 278 {
279 // do we already have a circuit for this endpoint 279 m_log.Error("[UDPSERVER]: " + e5.ToString());
280 uint circuit; 280 }
281 281 }
282 bool ret = false; 282 catch (ObjectDisposedException)
283 lock (clientCircuits) 283 {
284 { 284 }
285 ret = clientCircuits.TryGetValue(epSender, out circuit); 285
286 } 286 if (packet != null)
287 if (ret) 287 {
288 { 288 try
289 //if so then send packet to the packetserver 289 {
290 //m_log.Warn("[UDPSERVER]: ALREADY HAVE Circuit!"); 290 // do we already have a circuit for this endpoint
291 m_packetServer.InPacket(circuit, packet); 291 uint circuit;
292 } 292
293 else if (packet.Type == PacketType.UseCircuitCode) 293 bool ret = false;
294 { 294 lock (clientCircuits)
295 // new client 295 {
296 m_log.Debug("[UDPSERVER]: Adding New Client"); 296 ret = clientCircuits.TryGetValue(epSender, out circuit);
297 AddNewClient(packet); 297 }
298 298 if (ret)
299 UseCircuitCodePacket p = (UseCircuitCodePacket)packet; 299 {
300 300 //if so then send packet to the packetserver
301 // Ack the first UseCircuitCode packet 301 //m_log.Warn("[UDPSERVER]: ALREADY HAVE Circuit!");
302 PacketAckPacket ack_it = (PacketAckPacket)PacketPool.Instance.GetPacket(PacketType.PacketAck); 302 m_packetServer.InPacket(circuit, packet);
303 // TODO: don't create new blocks if recycling an old packet 303 }
304 ack_it.Packets = new PacketAckPacket.PacketsBlock[1]; 304 else if (packet.Type == PacketType.UseCircuitCode)
305 ack_it.Packets[0] = new PacketAckPacket.PacketsBlock(); 305 {
306 ack_it.Packets[0].ID = packet.Header.Sequence; 306 // new client
307 ack_it.Header.Reliable = false; 307 m_log.Debug("[UDPSERVER]: Adding New Client");
308 SendPacketTo(ack_it.ToBytes(),ack_it.ToBytes().Length,SocketFlags.None,p.CircuitCode.Code); 308 AddNewClient(packet);
309 } 309
310 else 310 UseCircuitCodePacket p = (UseCircuitCodePacket)packet;
311 { 311
312 // invalid client 312 // Ack the first UseCircuitCode packet
313 //CFK: This message seems to have served its usefullness as of 12-15 so I am commenting it out for now 313 PacketAckPacket ack_it = (PacketAckPacket)PacketPool.Instance.GetPacket(PacketType.PacketAck);
314 //m_log.Warn("[UDPSERVER]: Got a packet from an invalid client - " + packet.ToString()); 314 // TODO: don't create new blocks if recycling an old packet
315 } 315 ack_it.Packets = new PacketAckPacket.PacketsBlock[1];
316 } 316 ack_it.Packets[0] = new PacketAckPacket.PacketsBlock();
317 catch (Exception) 317 ack_it.Packets[0].ID = packet.Header.Sequence;
318 { 318 ack_it.Header.Reliable = false;
319 m_log.Error("[UDPSERVER]: Exception in processing packet."); 319 SendPacketTo(ack_it.ToBytes(),ack_it.ToBytes().Length,SocketFlags.None,p.CircuitCode.Code);
320 m_log.Debug("[UDPSERVER]: Adding New Client"); 320 }
321 try 321 else
322 { 322 {
323 AddNewClient(packet); 323 // invalid client
324 } 324 //CFK: This message seems to have served its usefullness as of 12-15 so I am commenting it out for now
325 catch (Exception e3) 325 //m_log.Warn("[UDPSERVER]: Got a packet from an invalid client - " + packet.ToString());
326 { 326 }
327 m_log.Error("[UDPSERVER]: Adding New Client threw exception " + e3.ToString()); 327 }
328 Server.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender, 328 catch (Exception)
329 ReceivedData, null); 329 {
330 } 330 m_log.Error("[UDPSERVER]: Exception in processing packet.");
331 } 331 m_log.Debug("[UDPSERVER]: Adding New Client");
332 } 332 try
333 333 {
334 } 334 AddNewClient(packet);
335 335 }
336 private void CloseEndPoint(EndPoint sender) 336 catch (Exception e3)
337 { 337 {
338 uint circuit; 338 m_log.Error("[UDPSERVER]: Adding New Client threw exception " + e3.ToString());
339 lock (clientCircuits) 339 m_socket.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender,
340 { 340 ReceivedData, null);
341 if (clientCircuits.TryGetValue(sender, out circuit)) 341 }
342 { 342 }
343 m_packetServer.CloseCircuit(circuit); 343 }
344 } 344
345 } 345 }
346 } 346
347 347 private void CloseEndPoint(EndPoint sender)
348 protected virtual void AddNewClient(Packet packet) 348 {
349 { 349 uint circuit;
350 //Slave regions don't accept new clients 350 lock (clientCircuits)
351 if(m_localScene.Region_Status != RegionStatus.SlaveScene) 351 {
352 { 352 if (clientCircuits.TryGetValue(sender, out circuit))
353 UseCircuitCodePacket useCircuit = (UseCircuitCodePacket) packet; 353 {
354 lock (clientCircuits) 354 m_packetServer.CloseCircuit(circuit);
355 { 355 }
356 if (!clientCircuits.ContainsKey(epSender)) 356 }
357 clientCircuits.Add(epSender, useCircuit.CircuitCode.Code); 357 }
358 else 358
359 m_log.Error("[UDPSERVER]: clientCircuits already contans entry for user " + useCircuit.CircuitCode.Code.ToString() + ". NOT adding."); 359 protected virtual void AddNewClient(Packet packet)
360 } 360 {
361 lock (clientCircuits_reverse) 361 //Slave regions don't accept new clients
362 { 362 if(m_localScene.Region_Status != RegionStatus.SlaveScene)
363 if (!clientCircuits_reverse.ContainsKey(useCircuit.CircuitCode.Code)) 363 {
364 clientCircuits_reverse.Add(useCircuit.CircuitCode.Code, epSender); 364 UseCircuitCodePacket useCircuit = (UseCircuitCodePacket) packet;
365 else 365 lock (clientCircuits)
366 m_log.Error("[UDPSERVER]: clientCurcuits_reverse already contains entry for user " + useCircuit.CircuitCode.Code.ToString() + ". NOT adding."); 366 {
367 } 367 if (!clientCircuits.ContainsKey(epSender))
368 368 clientCircuits.Add(epSender, useCircuit.CircuitCode.Code);
369 lock (proxyCircuits) 369 else
370 { 370 m_log.Error("[UDPSERVER]: clientCircuits already contans entry for user " + useCircuit.CircuitCode.Code.ToString() + ". NOT adding.");
371 if (!proxyCircuits.ContainsKey(useCircuit.CircuitCode.Code)) 371 }
372 proxyCircuits.Add(useCircuit.CircuitCode.Code, epProxy); 372 lock (clientCircuits_reverse)
373 else 373 {
374 m_log.Error("[UDPSERVER]: proxyCircuits already contains entry for user " + useCircuit.CircuitCode.Code.ToString() + ". NOT adding."); 374 if (!clientCircuits_reverse.ContainsKey(useCircuit.CircuitCode.Code))
375 } 375 clientCircuits_reverse.Add(useCircuit.CircuitCode.Code, epSender);
376 376 else
377 PacketServer.AddNewClient(epSender, useCircuit, m_assetCache, m_authenticateSessionsClass, epProxy); 377 m_log.Error("[UDPSERVER]: clientCurcuits_reverse already contains entry for user " + useCircuit.CircuitCode.Code.ToString() + ". NOT adding.");
378 } 378 }
379 PacketPool.Instance.ReturnPacket(packet); 379
380 } 380 lock (proxyCircuits)
381 381 {
382 public void ServerListener() 382 if (!proxyCircuits.ContainsKey(useCircuit.CircuitCode.Code))
383 { 383 proxyCircuits.Add(useCircuit.CircuitCode.Code, epProxy);
384 uint newPort = listenPort; 384 else
385 m_log.Info("[SERVER]: Opening UDP socket on " + listenIP.ToString() + " " + newPort + "."); 385 m_log.Error("[UDPSERVER]: proxyCircuits already contains entry for user " + useCircuit.CircuitCode.Code.ToString() + ". NOT adding.");
386 386 }
387 ServerIncoming = new IPEndPoint(listenIP, (int)newPort); 387
388 Server = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp); 388 PacketServer.AddNewClient(epSender, useCircuit, m_assetCache, m_authenticateSessionsClass, epProxy);
389 Server.Bind(ServerIncoming); 389 }
390 listenPort = newPort; 390 PacketPool.Instance.ReturnPacket(packet);
391 391 }
392 m_log.Info("[SERVER]: UDP socket bound, getting ready to listen"); 392
393 393 public void ServerListener()
394 ipeSender = new IPEndPoint(listenIP, 0); 394 {
395 epSender = (EndPoint)ipeSender; 395 uint newPort = listenPort;
396 ReceivedData = new AsyncCallback(OnReceivedData); 396 m_log.Info("[SERVER]: Opening UDP socket on " + listenIP.ToString() + " " + newPort + ".");
397 Server.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender, ReceivedData, null); 397
398 398 ServerIncoming = new IPEndPoint(listenIP, (int)newPort);
399 m_log.Info("[SERVER]: Listening on port " + newPort); 399 m_socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
400 } 400 m_socket.Bind(ServerIncoming);
401 401 listenPort = newPort;
402 public virtual void RegisterPacketServer(PacketServer server) 402
403 { 403 m_log.Info("[SERVER]: UDP socket bound, getting ready to listen");
404 m_packetServer = server; 404
405 } 405 ipeSender = new IPEndPoint(listenIP, 0);
406 406 epSender = (EndPoint)ipeSender;
407 public virtual void SendPacketTo(byte[] buffer, int size, SocketFlags flags, uint circuitcode) 407 ReceivedData = new AsyncCallback(OnReceivedData);
408 //EndPoint packetSender) 408 m_socket.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender, ReceivedData, null);
409 { 409
410 // find the endpoint for this circuit 410 m_log.Info("[SERVER]: Listening on port " + newPort);
411 EndPoint sendto = null; 411 }
412 lock (clientCircuits_reverse) 412
413 { 413 public virtual void RegisterPacketServer(LLPacketServer server)
414 if (clientCircuits_reverse.TryGetValue(circuitcode, out sendto)) 414 {
415 { 415 m_packetServer = server;
416 //we found the endpoint so send the packet to it 416 }
417 if (proxyPortOffset != 0) 417
418 { 418 public virtual void SendPacketTo(byte[] buffer, int size, SocketFlags flags, uint circuitcode)
419 //MainLog.Instance.Verbose("UDPSERVER", "SendPacketTo proxy " + proxyCircuits[circuitcode].ToString() + ": client " + sendto.ToString()); 419 //EndPoint packetSender)
420 PacketPool.EncodeProxyMessage(buffer, ref size, sendto); 420 {
421 Server.SendTo(buffer, size, flags, proxyCircuits[circuitcode]); 421 // find the endpoint for this circuit
422 } 422 EndPoint sendto = null;
423 else 423 lock (clientCircuits_reverse)
424 { 424 {
425 //MainLog.Instance.Verbose("UDPSERVER", "SendPacketTo : client " + sendto.ToString()); 425 if (clientCircuits_reverse.TryGetValue(circuitcode, out sendto))
426 Server.SendTo(buffer, size, flags, sendto); 426 {
427 } 427 //we found the endpoint so send the packet to it
428 } 428 if (proxyPortOffset != 0)
429 } 429 {
430 } 430 //MainLog.Instance.Verbose("UDPSERVER", "SendPacketTo proxy " + proxyCircuits[circuitcode].ToString() + ": client " + sendto.ToString());
431 431 PacketPool.EncodeProxyMessage(buffer, ref size, sendto);
432 public virtual void RemoveClientCircuit(uint circuitcode) 432 m_socket.SendTo(buffer, size, flags, proxyCircuits[circuitcode]);
433 { 433 }
434 EndPoint sendto = null; 434 else
435 lock (clientCircuits_reverse) 435 {
436 { 436 //MainLog.Instance.Verbose("UDPSERVER", "SendPacketTo : client " + sendto.ToString());
437 if (clientCircuits_reverse.TryGetValue(circuitcode, out sendto)) 437 m_socket.SendTo(buffer, size, flags, sendto);
438 { 438 }
439 clientCircuits.Remove(sendto); 439 }
440 440 }
441 clientCircuits_reverse.Remove(circuitcode); 441 }
442 proxyCircuits.Remove(circuitcode); 442
443 } 443 public virtual void RemoveClientCircuit(uint circuitcode)
444 } 444 {
445 } 445 EndPoint sendto = null;
446 446 lock (clientCircuits_reverse)
447 public void RestoreClient(AgentCircuitData circuit, EndPoint userEP, EndPoint proxyEP) 447 {
448 { 448 if (clientCircuits_reverse.TryGetValue(circuitcode, out sendto))
449 //MainLog.Instance.Verbose("UDPSERVER", "RestoreClient"); 449 {
450 450 clientCircuits.Remove(sendto);
451 UseCircuitCodePacket useCircuit = new UseCircuitCodePacket(); 451
452 useCircuit.CircuitCode.Code = circuit.circuitcode; 452 clientCircuits_reverse.Remove(circuitcode);
453 useCircuit.CircuitCode.ID = circuit.AgentID; 453 proxyCircuits.Remove(circuitcode);
454 useCircuit.CircuitCode.SessionID = circuit.SessionID; 454 }
455 455 }
456 lock (clientCircuits) 456 }
457 { 457
458 if (!clientCircuits.ContainsKey(userEP)) 458 public void RestoreClient(AgentCircuitData circuit, EndPoint userEP, EndPoint proxyEP)
459 clientCircuits.Add(userEP, useCircuit.CircuitCode.Code); 459 {
460 else 460 //MainLog.Instance.Verbose("UDPSERVER", "RestoreClient");
461 m_log.Error("[UDPSERVER]: clientCircuits already contans entry for user " + useCircuit.CircuitCode.Code.ToString() + ". NOT adding."); 461
462 } 462 UseCircuitCodePacket useCircuit = new UseCircuitCodePacket();
463 lock (clientCircuits_reverse) 463 useCircuit.CircuitCode.Code = circuit.circuitcode;
464 { 464 useCircuit.CircuitCode.ID = circuit.AgentID;
465 if (!clientCircuits_reverse.ContainsKey(useCircuit.CircuitCode.Code)) 465 useCircuit.CircuitCode.SessionID = circuit.SessionID;
466 clientCircuits_reverse.Add(useCircuit.CircuitCode.Code, userEP); 466
467 else 467 lock (clientCircuits)
468 m_log.Error("[UDPSERVER]: clientCurcuits_reverse already contains entry for user " + useCircuit.CircuitCode.Code.ToString() + ". NOT adding."); 468 {
469 } 469 if (!clientCircuits.ContainsKey(userEP))
470 470 clientCircuits.Add(userEP, useCircuit.CircuitCode.Code);
471 lock (proxyCircuits) 471 else
472 { 472 m_log.Error("[UDPSERVER]: clientCircuits already contans entry for user " + useCircuit.CircuitCode.Code.ToString() + ". NOT adding.");
473 if (!proxyCircuits.ContainsKey(useCircuit.CircuitCode.Code)) 473 }
474 { 474 lock (clientCircuits_reverse)
475 proxyCircuits.Add(useCircuit.CircuitCode.Code, proxyEP); 475 {
476 } 476 if (!clientCircuits_reverse.ContainsKey(useCircuit.CircuitCode.Code))
477 else 477 clientCircuits_reverse.Add(useCircuit.CircuitCode.Code, userEP);
478 { 478 else
479 // re-set proxy endpoint 479 m_log.Error("[UDPSERVER]: clientCurcuits_reverse already contains entry for user " + useCircuit.CircuitCode.Code.ToString() + ". NOT adding.");
480 proxyCircuits.Remove(useCircuit.CircuitCode.Code); 480 }
481 proxyCircuits.Add(useCircuit.CircuitCode.Code, proxyEP); 481
482 } 482 lock (proxyCircuits)
483 } 483 {
484 484 if (!proxyCircuits.ContainsKey(useCircuit.CircuitCode.Code))
485 PacketServer.AddNewClient(userEP, useCircuit, m_assetCache, m_authenticateSessionsClass, proxyEP); 485 {
486 } 486 proxyCircuits.Add(useCircuit.CircuitCode.Code, proxyEP);
487 } 487 }
488} 488 else
489 {
490 // re-set proxy endpoint
491 proxyCircuits.Remove(useCircuit.CircuitCode.Code);
492 proxyCircuits.Add(useCircuit.CircuitCode.Code, proxyEP);
493 }
494 }
495
496 PacketServer.AddNewClient(userEP, useCircuit, m_assetCache, m_authenticateSessionsClass, proxyEP);
497 }
498 }
499} \ No newline at end of file