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-rw-r--r--OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs611
-rw-r--r--OpenSim/Region/ClientStack/LindenUDP/LLImageManager.cs50
-rw-r--r--OpenSim/Region/ClientStack/LindenUDP/LLUDPClient.cs85
-rw-r--r--OpenSim/Region/ClientStack/LindenUDP/LLUDPClientCollection.cs282
-rw-r--r--OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs394
-rw-r--r--OpenSim/Region/ClientStack/LindenUDP/OpenSimUDPBase.cs481
-rw-r--r--OpenSim/Region/ClientStack/LindenUDP/UnackedPacketCollection.cs9
7 files changed, 624 insertions, 1288 deletions
diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
index d64f655..cfc1ebc 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
@@ -59,6 +59,209 @@ namespace OpenSim.Region.ClientStack.LindenUDP
59 /// </summary> 59 /// </summary>
60 public class LLClientView : IClientAPI, IClientCore, IClientIM, IClientChat, IClientIPEndpoint, IStatsCollector 60 public class LLClientView : IClientAPI, IClientCore, IClientIM, IClientChat, IClientIPEndpoint, IStatsCollector
61 { 61 {
62 #region Events
63
64 public event GenericMessage OnGenericMessage;
65 public event BinaryGenericMessage OnBinaryGenericMessage;
66 public event Action<IClientAPI> OnLogout;
67 public event ObjectPermissions OnObjectPermissions;
68 public event Action<IClientAPI> OnConnectionClosed;
69 public event ViewerEffectEventHandler OnViewerEffect;
70 public event ImprovedInstantMessage OnInstantMessage;
71 public event ChatMessage OnChatFromClient;
72 public event TextureRequest OnRequestTexture;
73 public event RezObject OnRezObject;
74 public event DeRezObject OnDeRezObject;
75 public event ModifyTerrain OnModifyTerrain;
76 public event Action<IClientAPI> OnRegionHandShakeReply;
77 public event GenericCall2 OnRequestWearables;
78 public event SetAppearance OnSetAppearance;
79 public event AvatarNowWearing OnAvatarNowWearing;
80 public event RezSingleAttachmentFromInv OnRezSingleAttachmentFromInv;
81 public event RezMultipleAttachmentsFromInv OnRezMultipleAttachmentsFromInv;
82 public event UUIDNameRequest OnDetachAttachmentIntoInv;
83 public event ObjectAttach OnObjectAttach;
84 public event ObjectDeselect OnObjectDetach;
85 public event ObjectDrop OnObjectDrop;
86 public event GenericCall2 OnCompleteMovementToRegion;
87 public event UpdateAgent OnAgentUpdate;
88 public event AgentRequestSit OnAgentRequestSit;
89 public event AgentSit OnAgentSit;
90 public event AvatarPickerRequest OnAvatarPickerRequest;
91 public event StartAnim OnStartAnim;
92 public event StopAnim OnStopAnim;
93 public event Action<IClientAPI> OnRequestAvatarsData;
94 public event LinkObjects OnLinkObjects;
95 public event DelinkObjects OnDelinkObjects;
96 public event GrabObject OnGrabObject;
97 public event DeGrabObject OnDeGrabObject;
98 public event SpinStart OnSpinStart;
99 public event SpinStop OnSpinStop;
100 public event ObjectDuplicate OnObjectDuplicate;
101 public event ObjectDuplicateOnRay OnObjectDuplicateOnRay;
102 public event MoveObject OnGrabUpdate;
103 public event SpinObject OnSpinUpdate;
104 public event AddNewPrim OnAddPrim;
105 public event RequestGodlikePowers OnRequestGodlikePowers;
106 public event GodKickUser OnGodKickUser;
107 public event ObjectExtraParams OnUpdateExtraParams;
108 public event UpdateShape OnUpdatePrimShape;
109 public event ObjectRequest OnObjectRequest;
110 public event ObjectSelect OnObjectSelect;
111 public event ObjectDeselect OnObjectDeselect;
112 public event GenericCall7 OnObjectDescription;
113 public event GenericCall7 OnObjectName;
114 public event GenericCall7 OnObjectClickAction;
115 public event GenericCall7 OnObjectMaterial;
116 public event ObjectIncludeInSearch OnObjectIncludeInSearch;
117 public event RequestObjectPropertiesFamily OnRequestObjectPropertiesFamily;
118 public event UpdatePrimFlags OnUpdatePrimFlags;
119 public event UpdatePrimTexture OnUpdatePrimTexture;
120 public event UpdateVector OnUpdatePrimGroupPosition;
121 public event UpdateVector OnUpdatePrimSinglePosition;
122 public event UpdatePrimRotation OnUpdatePrimGroupRotation;
123 public event UpdatePrimSingleRotation OnUpdatePrimSingleRotation;
124 public event UpdatePrimSingleRotationPosition OnUpdatePrimSingleRotationPosition;
125 public event UpdatePrimGroupRotation OnUpdatePrimGroupMouseRotation;
126 public event UpdateVector OnUpdatePrimScale;
127 public event UpdateVector OnUpdatePrimGroupScale;
128 public event StatusChange OnChildAgentStatus;
129 public event GenericCall2 OnStopMovement;
130 public event Action<UUID> OnRemoveAvatar;
131 public event RequestMapBlocks OnRequestMapBlocks;
132 public event RequestMapName OnMapNameRequest;
133 public event TeleportLocationRequest OnTeleportLocationRequest;
134 public event TeleportLandmarkRequest OnTeleportLandmarkRequest;
135 public event DisconnectUser OnDisconnectUser;
136 public event RequestAvatarProperties OnRequestAvatarProperties;
137 public event SetAlwaysRun OnSetAlwaysRun;
138 public event FetchInventory OnAgentDataUpdateRequest;
139 public event TeleportLocationRequest OnSetStartLocationRequest;
140 public event UpdateAvatarProperties OnUpdateAvatarProperties;
141 public event CreateNewInventoryItem OnCreateNewInventoryItem;
142 public event CreateInventoryFolder OnCreateNewInventoryFolder;
143 public event UpdateInventoryFolder OnUpdateInventoryFolder;
144 public event MoveInventoryFolder OnMoveInventoryFolder;
145 public event FetchInventoryDescendents OnFetchInventoryDescendents;
146 public event PurgeInventoryDescendents OnPurgeInventoryDescendents;
147 public event FetchInventory OnFetchInventory;
148 public event RequestTaskInventory OnRequestTaskInventory;
149 public event UpdateInventoryItem OnUpdateInventoryItem;
150 public event CopyInventoryItem OnCopyInventoryItem;
151 public event MoveInventoryItem OnMoveInventoryItem;
152 public event RemoveInventoryItem OnRemoveInventoryItem;
153 public event RemoveInventoryFolder OnRemoveInventoryFolder;
154 public event UDPAssetUploadRequest OnAssetUploadRequest;
155 public event XferReceive OnXferReceive;
156 public event RequestXfer OnRequestXfer;
157 public event ConfirmXfer OnConfirmXfer;
158 public event AbortXfer OnAbortXfer;
159 public event RequestTerrain OnRequestTerrain;
160 public event RezScript OnRezScript;
161 public event UpdateTaskInventory OnUpdateTaskInventory;
162 public event MoveTaskInventory OnMoveTaskItem;
163 public event RemoveTaskInventory OnRemoveTaskItem;
164 public event RequestAsset OnRequestAsset;
165 public event UUIDNameRequest OnNameFromUUIDRequest;
166 public event ParcelAccessListRequest OnParcelAccessListRequest;
167 public event ParcelAccessListUpdateRequest OnParcelAccessListUpdateRequest;
168 public event ParcelPropertiesRequest OnParcelPropertiesRequest;
169 public event ParcelDivideRequest OnParcelDivideRequest;
170 public event ParcelJoinRequest OnParcelJoinRequest;
171 public event ParcelPropertiesUpdateRequest OnParcelPropertiesUpdateRequest;
172 public event ParcelSelectObjects OnParcelSelectObjects;
173 public event ParcelObjectOwnerRequest OnParcelObjectOwnerRequest;
174 public event ParcelAbandonRequest OnParcelAbandonRequest;
175 public event ParcelGodForceOwner OnParcelGodForceOwner;
176 public event ParcelReclaim OnParcelReclaim;
177 public event ParcelReturnObjectsRequest OnParcelReturnObjectsRequest;
178 public event ParcelDeedToGroup OnParcelDeedToGroup;
179 public event RegionInfoRequest OnRegionInfoRequest;
180 public event EstateCovenantRequest OnEstateCovenantRequest;
181 public event FriendActionDelegate OnApproveFriendRequest;
182 public event FriendActionDelegate OnDenyFriendRequest;
183 public event FriendshipTermination OnTerminateFriendship;
184 public event MoneyTransferRequest OnMoneyTransferRequest;
185 public event EconomyDataRequest OnEconomyDataRequest;
186 public event MoneyBalanceRequest OnMoneyBalanceRequest;
187 public event ParcelBuy OnParcelBuy;
188 public event UUIDNameRequest OnTeleportHomeRequest;
189 public event UUIDNameRequest OnUUIDGroupNameRequest;
190 public event ScriptAnswer OnScriptAnswer;
191 public event RequestPayPrice OnRequestPayPrice;
192 public event ObjectSaleInfo OnObjectSaleInfo;
193 public event ObjectBuy OnObjectBuy;
194 public event BuyObjectInventory OnBuyObjectInventory;
195 public event AgentSit OnUndo;
196 public event ForceReleaseControls OnForceReleaseControls;
197 public event GodLandStatRequest OnLandStatRequest;
198 public event RequestObjectPropertiesFamily OnObjectGroupRequest;
199 public event DetailedEstateDataRequest OnDetailedEstateDataRequest;
200 public event SetEstateFlagsRequest OnSetEstateFlagsRequest;
201 public event SetEstateTerrainBaseTexture OnSetEstateTerrainBaseTexture;
202 public event SetEstateTerrainDetailTexture OnSetEstateTerrainDetailTexture;
203 public event SetEstateTerrainTextureHeights OnSetEstateTerrainTextureHeights;
204 public event CommitEstateTerrainTextureRequest OnCommitEstateTerrainTextureRequest;
205 public event SetRegionTerrainSettings OnSetRegionTerrainSettings;
206 public event BakeTerrain OnBakeTerrain;
207 public event RequestTerrain OnUploadTerrain;
208 public event EstateChangeInfo OnEstateChangeInfo;
209 public event EstateRestartSimRequest OnEstateRestartSimRequest;
210 public event EstateChangeCovenantRequest OnEstateChangeCovenantRequest;
211 public event UpdateEstateAccessDeltaRequest OnUpdateEstateAccessDeltaRequest;
212 public event SimulatorBlueBoxMessageRequest OnSimulatorBlueBoxMessageRequest;
213 public event EstateBlueBoxMessageRequest OnEstateBlueBoxMessageRequest;
214 public event EstateDebugRegionRequest OnEstateDebugRegionRequest;
215 public event EstateTeleportOneUserHomeRequest OnEstateTeleportOneUserHomeRequest;
216 public event EstateTeleportAllUsersHomeRequest OnEstateTeleportAllUsersHomeRequest;
217 public event RegionHandleRequest OnRegionHandleRequest;
218 public event ParcelInfoRequest OnParcelInfoRequest;
219 public event ScriptReset OnScriptReset;
220 public event GetScriptRunning OnGetScriptRunning;
221 public event SetScriptRunning OnSetScriptRunning;
222 public event UpdateVector OnAutoPilotGo;
223 public event TerrainUnacked OnUnackedTerrain;
224 public event ActivateGesture OnActivateGesture;
225 public event DeactivateGesture OnDeactivateGesture;
226 public event ObjectOwner OnObjectOwner;
227 public event DirPlacesQuery OnDirPlacesQuery;
228 public event DirFindQuery OnDirFindQuery;
229 public event DirLandQuery OnDirLandQuery;
230 public event DirPopularQuery OnDirPopularQuery;
231 public event DirClassifiedQuery OnDirClassifiedQuery;
232 public event EventInfoRequest OnEventInfoRequest;
233 public event ParcelSetOtherCleanTime OnParcelSetOtherCleanTime;
234 public event MapItemRequest OnMapItemRequest;
235 public event OfferCallingCard OnOfferCallingCard;
236 public event AcceptCallingCard OnAcceptCallingCard;
237 public event DeclineCallingCard OnDeclineCallingCard;
238 public event SoundTrigger OnSoundTrigger;
239 public event StartLure OnStartLure;
240 public event TeleportLureRequest OnTeleportLureRequest;
241 public event NetworkStats OnNetworkStatsUpdate;
242 public event ClassifiedInfoRequest OnClassifiedInfoRequest;
243 public event ClassifiedInfoUpdate OnClassifiedInfoUpdate;
244 public event ClassifiedDelete OnClassifiedDelete;
245 public event ClassifiedDelete OnClassifiedGodDelete;
246 public event EventNotificationAddRequest OnEventNotificationAddRequest;
247 public event EventNotificationRemoveRequest OnEventNotificationRemoveRequest;
248 public event EventGodDelete OnEventGodDelete;
249 public event ParcelDwellRequest OnParcelDwellRequest;
250 public event UserInfoRequest OnUserInfoRequest;
251 public event UpdateUserInfo OnUpdateUserInfo;
252 public event RetrieveInstantMessages OnRetrieveInstantMessages;
253 public event PickDelete OnPickDelete;
254 public event PickGodDelete OnPickGodDelete;
255 public event PickInfoUpdate OnPickInfoUpdate;
256 public event AvatarNotesUpdate OnAvatarNotesUpdate;
257 public event MuteListRequest OnMuteListRequest;
258 public event AvatarInterestUpdate OnAvatarInterestUpdate;
259 public event PlacesQuery OnPlacesQuery;
260
261 #endregion Events
262
263 #region Class Members
264
62 // LLClientView Only 265 // LLClientView Only
63 public delegate void BinaryGenericMessage(Object sender, string method, byte[][] args); 266 public delegate void BinaryGenericMessage(Object sender, string method, byte[][] args);
64 267
@@ -115,13 +318,16 @@ namespace OpenSim.Region.ClientStack.LindenUDP
115 protected int m_textureDataLimit = 10; 318 protected int m_textureDataLimit = 10;
116 protected int m_avatarTerseUpdateRate = 50; 319 protected int m_avatarTerseUpdateRate = 50;
117 protected int m_avatarTerseUpdatesPerPacket = 5; 320 protected int m_avatarTerseUpdatesPerPacket = 5;
118 protected int m_packetMTU = 1400;
119 protected IAssetService m_assetService; 321 protected IAssetService m_assetService;
120 private IHyperAssetService m_hyperAssets; 322 private IHyperAssetService m_hyperAssets;
121 323
122 324
325 #endregion Class Members
326
123 #region Properties 327 #region Properties
124 328
329 public LLUDPClient UDPClient { get { return m_udpClient; } }
330 public IPEndPoint RemoteEndPoint { get { return m_udpClient.RemoteEndPoint; } }
125 public UUID SecureSessionId { get { return m_secureSessionId; } } 331 public UUID SecureSessionId { get { return m_secureSessionId; } }
126 public IScene Scene { get { return m_scene; } } 332 public IScene Scene { get { return m_scene; } }
127 public UUID SessionId { get { return m_sessionId; } } 333 public UUID SessionId { get { return m_sessionId; } }
@@ -202,51 +408,35 @@ namespace OpenSim.Region.ClientStack.LindenUDP
202 #region Client Methods 408 #region Client Methods
203 409
204 /// <summary> 410 /// <summary>
205 /// Close down the client view. This *must* be the last method called, since the last # 411 /// Shut down the client view
206 /// statement of CloseCleanup() aborts the thread.
207 /// </summary> 412 /// </summary>
208 /// <param name="shutdownCircuit"></param> 413 public void Close()
209 public void Close(bool shutdownCircuit)
210 { 414 {
211 m_log.DebugFormat( 415 m_log.DebugFormat(
212 "[CLIENT]: Close has been called with shutdownCircuit = {0} for {1} attached to scene {2}", 416 "[CLIENT]: Close has been called for {0} attached to scene {1}",
213 shutdownCircuit, Name, m_scene.RegionInfo.RegionName); 417 Name, m_scene.RegionInfo.RegionName);
214 418
419 // Send the STOP packet
420 DisableSimulatorPacket disable = (DisableSimulatorPacket)PacketPool.Instance.GetPacket(PacketType.DisableSimulator);
421 OutPacket(disable, ThrottleOutPacketType.Unknown);
422
423 IsActive = false;
424
425 // Shutdown the image manager
215 if (m_imageManager != null) 426 if (m_imageManager != null)
216 m_imageManager.Close(); 427 m_imageManager.Close();
217 428
429 // Fire the callback for this connection closing
430 if (OnConnectionClosed != null)
431 OnConnectionClosed(this);
432
433 // Flush all of the packets out of the UDP server for this client
218 if (m_udpServer != null) 434 if (m_udpServer != null)
219 m_udpServer.Flush(); 435 m_udpServer.Flush(m_udpClient);
220
221 // raise an event on the packet server to Shutdown the circuit
222 // Now, if we raise the event then the packet server will call this method itself, so don't try cleanup
223 // here otherwise we'll end up calling it twice.
224 // FIXME: In truth, I might be wrong but this whole business of calling this method twice (with different args) looks
225 // horribly tangly. Hopefully it should be possible to greatly simplify it.
226 if (shutdownCircuit)
227 {
228 if (OnConnectionClosed != null)
229 OnConnectionClosed(this);
230 }
231 else
232 {
233 CloseCleanup(shutdownCircuit);
234 }
235 }
236 436
237 private void CloseCleanup(bool shutdownCircuit) 437 // Remove ourselves from the scene
238 {
239 m_scene.RemoveClient(AgentId); 438 m_scene.RemoveClient(AgentId);
240 439
241 //m_log.InfoFormat("[CLIENTVIEW] Memory pre GC {0}", System.GC.GetTotalMemory(false));
242 //m_log.InfoFormat("[CLIENTVIEW] Memory post GC {0}", System.GC.GetTotalMemory(true));
243
244 // Send the STOP packet
245 DisableSimulatorPacket disable = (DisableSimulatorPacket)PacketPool.Instance.GetPacket(PacketType.DisableSimulator);
246 OutPacket(disable, ThrottleOutPacketType.Unknown);
247
248 Thread.Sleep(2000);
249
250 // Shut down timers. Thread Context of this method is murky. Lock all timers 440 // Shut down timers. Thread Context of this method is murky. Lock all timers
251 if (m_avatarTerseUpdateTimer.Enabled) 441 if (m_avatarTerseUpdateTimer.Enabled)
252 lock (m_avatarTerseUpdateTimer) 442 lock (m_avatarTerseUpdateTimer)
@@ -258,43 +448,20 @@ namespace OpenSim.Region.ClientStack.LindenUDP
258 lock (m_primFullUpdateTimer) 448 lock (m_primFullUpdateTimer)
259 m_primFullUpdateTimer.Stop(); 449 m_primFullUpdateTimer.Stop();
260 450
261 // This is just to give the client a reasonable chance of
262 // flushing out all it's packets. There should probably
263 // be a better mechanism here
264
265 // We can't reach into other scenes and close the connection 451 // We can't reach into other scenes and close the connection
266 // We need to do this over grid communications 452 // We need to do this over grid communications
267 //m_scene.CloseAllAgents(CircuitCode); 453 //m_scene.CloseAllAgents(CircuitCode);
268 454
269 // If we're not shutting down the circuit, then this is the last time we'll go here. 455 m_avatarTerseUpdateTimer.Dispose();
270 // If we are shutting down the circuit, the UDP Server will come back here with 456 m_primTerseUpdateTimer.Dispose();
271 // ShutDownCircuit = false 457 m_primFullUpdateTimer.Dispose();
272 if (!(shutdownCircuit))
273 {
274 GC.Collect();
275 m_imageManager = null;
276 // Sends a KillPacket object, with which, the
277 // blockingqueue dequeues and sees it's a killpacket
278 // and terminates within the context of the client thread.
279 // This ensures that it's done from within the context
280 // of the client thread regardless of where Close() is called.
281 KillEndDone();
282 }
283
284 IsActive = false;
285
286 m_avatarTerseUpdateTimer.Close();
287 m_primTerseUpdateTimer.Close();
288 m_primFullUpdateTimer.Close();
289 458
290 //m_udpServer.OnPacketStats -= PopulateStats; 459 // Disable UDP handling for this client
291 m_udpClient.Shutdown(); 460 m_udpClient.Shutdown();
292 461
293 // wait for thread stoped 462 //m_log.InfoFormat("[CLIENTVIEW] Memory pre GC {0}", System.GC.GetTotalMemory(false));
294 // m_clientThread.Join(); 463 //GC.Collect();
295 464 //m_log.InfoFormat("[CLIENTVIEW] Memory post GC {0}", System.GC.GetTotalMemory(true));
296 // delete circuit code
297 //m_networkServer.CloseClient(this);
298 } 465 }
299 466
300 public void Kick(string message) 467 public void Kick(string message)
@@ -416,43 +583,11 @@ namespace OpenSim.Region.ClientStack.LindenUDP
416 return result; 583 return result;
417 } 584 }
418 585
419 /*protected void DebugPacket(string direction, Packet packet)
420 {
421 string info;
422
423 if (m_debugPacketLevel < 255 && packet.Type == PacketType.AgentUpdate)
424 return;
425 if (m_debugPacketLevel < 254 && packet.Type == PacketType.ViewerEffect)
426 return;
427 if (m_debugPacketLevel < 253 && (
428 packet.Type == PacketType.CompletePingCheck ||
429 packet.Type == PacketType.StartPingCheck
430 ))
431 return;
432 if (m_debugPacketLevel < 252 && packet.Type == PacketType.PacketAck)
433 return;
434
435 if (m_debugPacketLevel > 1)
436 {
437 info = packet.ToString();
438 }
439 else
440 {
441 info = packet.Type.ToString();
442 }
443
444 Console.WriteLine(m_circuitCode + ":" + direction + ": " + info);
445 }*/
446
447 #endregion Packet Handling 586 #endregion Packet Handling
448 587
449 # region Setup 588 # region Setup
450 589
451 /// <summary> 590 public virtual void Start()
452 /// Starts up the timers to check the client and resend unacked packets
453 /// Adds the client to the OpenSim.Region.Framework.Scenes.Scene
454 /// </summary>
455 protected virtual void InitNewClient()
456 { 591 {
457 m_avatarTerseUpdateTimer = new Timer(m_avatarTerseUpdateRate); 592 m_avatarTerseUpdateTimer = new Timer(m_avatarTerseUpdateRate);
458 m_avatarTerseUpdateTimer.Elapsed += new ElapsedEventHandler(ProcessAvatarTerseUpdates); 593 m_avatarTerseUpdateTimer.Elapsed += new ElapsedEventHandler(ProcessAvatarTerseUpdates);
@@ -471,262 +606,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
471 RefreshGroupMembership(); 606 RefreshGroupMembership();
472 } 607 }
473 608
474 public virtual void Start()
475 {
476 // This sets up all the timers
477 InitNewClient();
478 }
479
480 /// <summary>
481 /// Run a user session. This method lies at the base of the entire client thread.
482 /// </summary>
483 protected void RunUserSession()
484 {
485 try
486 {
487
488 }
489 catch (Exception e)
490 {
491 if (e is ThreadAbortException)
492 throw;
493
494 if (StatsManager.SimExtraStats != null)
495 StatsManager.SimExtraStats.AddAbnormalClientThreadTermination();
496
497 // Don't let a failure in an individual client thread crash the whole sim.
498 m_log.ErrorFormat(
499 "[CLIENT]: Client thread for {0} {1} crashed. Logging them out.", Name, AgentId);
500 m_log.Error(e.ToString());
501
502 try
503 {
504 // Make an attempt to alert the user that their session has crashed
505 AgentAlertMessagePacket packet
506 = BuildAgentAlertPacket(
507 "Unfortunately the session for this client on the server has crashed.\n"
508 + "Any further actions taken will not be processed.\n"
509 + "Please relog", true);
510
511 m_udpServer.SendPacket(m_agentId, packet, ThrottleOutPacketType.Unknown, false);
512
513 // There may be a better way to do this. Perhaps kick? Not sure this propogates notifications to
514 // listeners yet, though.
515 Logout(this);
516 }
517 catch (Exception e2)
518 {
519 if (e2 is ThreadAbortException)
520 throw;
521
522 m_log.ErrorFormat("[CLIENT]: Further exception thrown on forced session logout. {0}", e2);
523 }
524 }
525 }
526
527 # endregion 609 # endregion
528 610
529 #region Events
530
531 public event GenericMessage OnGenericMessage;
532 public event BinaryGenericMessage OnBinaryGenericMessage;
533 public event Action<IClientAPI> OnLogout;
534 public event ObjectPermissions OnObjectPermissions;
535 public event Action<IClientAPI> OnConnectionClosed;
536 public event ViewerEffectEventHandler OnViewerEffect;
537 public event ImprovedInstantMessage OnInstantMessage;
538 public event ChatMessage OnChatFromClient;
539 public event TextureRequest OnRequestTexture;
540 public event RezObject OnRezObject;
541 public event DeRezObject OnDeRezObject;
542 public event ModifyTerrain OnModifyTerrain;
543 public event Action<IClientAPI> OnRegionHandShakeReply;
544 public event GenericCall2 OnRequestWearables;
545 public event SetAppearance OnSetAppearance;
546 public event AvatarNowWearing OnAvatarNowWearing;
547 public event RezSingleAttachmentFromInv OnRezSingleAttachmentFromInv;
548 public event RezMultipleAttachmentsFromInv OnRezMultipleAttachmentsFromInv;
549 public event UUIDNameRequest OnDetachAttachmentIntoInv;
550 public event ObjectAttach OnObjectAttach;
551 public event ObjectDeselect OnObjectDetach;
552 public event ObjectDrop OnObjectDrop;
553 public event GenericCall2 OnCompleteMovementToRegion;
554 public event UpdateAgent OnAgentUpdate;
555 public event AgentRequestSit OnAgentRequestSit;
556 public event AgentSit OnAgentSit;
557 public event AvatarPickerRequest OnAvatarPickerRequest;
558 public event StartAnim OnStartAnim;
559 public event StopAnim OnStopAnim;
560 public event Action<IClientAPI> OnRequestAvatarsData;
561 public event LinkObjects OnLinkObjects;
562 public event DelinkObjects OnDelinkObjects;
563 public event GrabObject OnGrabObject;
564 public event DeGrabObject OnDeGrabObject;
565 public event SpinStart OnSpinStart;
566 public event SpinStop OnSpinStop;
567 public event ObjectDuplicate OnObjectDuplicate;
568 public event ObjectDuplicateOnRay OnObjectDuplicateOnRay;
569 public event MoveObject OnGrabUpdate;
570 public event SpinObject OnSpinUpdate;
571 public event AddNewPrim OnAddPrim;
572 public event RequestGodlikePowers OnRequestGodlikePowers;
573 public event GodKickUser OnGodKickUser;
574 public event ObjectExtraParams OnUpdateExtraParams;
575 public event UpdateShape OnUpdatePrimShape;
576 public event ObjectRequest OnObjectRequest;
577 public event ObjectSelect OnObjectSelect;
578 public event ObjectDeselect OnObjectDeselect;
579 public event GenericCall7 OnObjectDescription;
580 public event GenericCall7 OnObjectName;
581 public event GenericCall7 OnObjectClickAction;
582 public event GenericCall7 OnObjectMaterial;
583 public event ObjectIncludeInSearch OnObjectIncludeInSearch;
584 public event RequestObjectPropertiesFamily OnRequestObjectPropertiesFamily;
585 public event UpdatePrimFlags OnUpdatePrimFlags;
586 public event UpdatePrimTexture OnUpdatePrimTexture;
587 public event UpdateVector OnUpdatePrimGroupPosition;
588 public event UpdateVector OnUpdatePrimSinglePosition;
589 public event UpdatePrimRotation OnUpdatePrimGroupRotation;
590 public event UpdatePrimSingleRotation OnUpdatePrimSingleRotation;
591 public event UpdatePrimSingleRotationPosition OnUpdatePrimSingleRotationPosition;
592 public event UpdatePrimGroupRotation OnUpdatePrimGroupMouseRotation;
593 public event UpdateVector OnUpdatePrimScale;
594 public event UpdateVector OnUpdatePrimGroupScale;
595 public event StatusChange OnChildAgentStatus;
596 public event GenericCall2 OnStopMovement;
597 public event Action<UUID> OnRemoveAvatar;
598 public event RequestMapBlocks OnRequestMapBlocks;
599 public event RequestMapName OnMapNameRequest;
600 public event TeleportLocationRequest OnTeleportLocationRequest;
601 public event TeleportLandmarkRequest OnTeleportLandmarkRequest;
602 public event DisconnectUser OnDisconnectUser;
603 public event RequestAvatarProperties OnRequestAvatarProperties;
604 public event SetAlwaysRun OnSetAlwaysRun;
605 public event FetchInventory OnAgentDataUpdateRequest;
606 public event TeleportLocationRequest OnSetStartLocationRequest;
607 public event UpdateAvatarProperties OnUpdateAvatarProperties;
608 public event CreateNewInventoryItem OnCreateNewInventoryItem;
609 public event CreateInventoryFolder OnCreateNewInventoryFolder;
610 public event UpdateInventoryFolder OnUpdateInventoryFolder;
611 public event MoveInventoryFolder OnMoveInventoryFolder;
612 public event FetchInventoryDescendents OnFetchInventoryDescendents;
613 public event PurgeInventoryDescendents OnPurgeInventoryDescendents;
614 public event FetchInventory OnFetchInventory;
615 public event RequestTaskInventory OnRequestTaskInventory;
616 public event UpdateInventoryItem OnUpdateInventoryItem;
617 public event CopyInventoryItem OnCopyInventoryItem;
618 public event MoveInventoryItem OnMoveInventoryItem;
619 public event RemoveInventoryItem OnRemoveInventoryItem;
620 public event RemoveInventoryFolder OnRemoveInventoryFolder;
621 public event UDPAssetUploadRequest OnAssetUploadRequest;
622 public event XferReceive OnXferReceive;
623 public event RequestXfer OnRequestXfer;
624 public event ConfirmXfer OnConfirmXfer;
625 public event AbortXfer OnAbortXfer;
626 public event RequestTerrain OnRequestTerrain;
627 public event RezScript OnRezScript;
628 public event UpdateTaskInventory OnUpdateTaskInventory;
629 public event MoveTaskInventory OnMoveTaskItem;
630 public event RemoveTaskInventory OnRemoveTaskItem;
631 public event RequestAsset OnRequestAsset;
632 public event UUIDNameRequest OnNameFromUUIDRequest;
633 public event ParcelAccessListRequest OnParcelAccessListRequest;
634 public event ParcelAccessListUpdateRequest OnParcelAccessListUpdateRequest;
635 public event ParcelPropertiesRequest OnParcelPropertiesRequest;
636 public event ParcelDivideRequest OnParcelDivideRequest;
637 public event ParcelJoinRequest OnParcelJoinRequest;
638 public event ParcelPropertiesUpdateRequest OnParcelPropertiesUpdateRequest;
639 public event ParcelSelectObjects OnParcelSelectObjects;
640 public event ParcelObjectOwnerRequest OnParcelObjectOwnerRequest;
641 public event ParcelAbandonRequest OnParcelAbandonRequest;
642 public event ParcelGodForceOwner OnParcelGodForceOwner;
643 public event ParcelReclaim OnParcelReclaim;
644 public event ParcelReturnObjectsRequest OnParcelReturnObjectsRequest;
645 public event ParcelDeedToGroup OnParcelDeedToGroup;
646 public event RegionInfoRequest OnRegionInfoRequest;
647 public event EstateCovenantRequest OnEstateCovenantRequest;
648 public event FriendActionDelegate OnApproveFriendRequest;
649 public event FriendActionDelegate OnDenyFriendRequest;
650 public event FriendshipTermination OnTerminateFriendship;
651 public event MoneyTransferRequest OnMoneyTransferRequest;
652 public event EconomyDataRequest OnEconomyDataRequest;
653 public event MoneyBalanceRequest OnMoneyBalanceRequest;
654 public event ParcelBuy OnParcelBuy;
655 public event UUIDNameRequest OnTeleportHomeRequest;
656 public event UUIDNameRequest OnUUIDGroupNameRequest;
657 public event ScriptAnswer OnScriptAnswer;
658 public event RequestPayPrice OnRequestPayPrice;
659 public event ObjectSaleInfo OnObjectSaleInfo;
660 public event ObjectBuy OnObjectBuy;
661 public event BuyObjectInventory OnBuyObjectInventory;
662 public event AgentSit OnUndo;
663 public event ForceReleaseControls OnForceReleaseControls;
664 public event GodLandStatRequest OnLandStatRequest;
665 public event RequestObjectPropertiesFamily OnObjectGroupRequest;
666 public event DetailedEstateDataRequest OnDetailedEstateDataRequest;
667 public event SetEstateFlagsRequest OnSetEstateFlagsRequest;
668 public event SetEstateTerrainBaseTexture OnSetEstateTerrainBaseTexture;
669 public event SetEstateTerrainDetailTexture OnSetEstateTerrainDetailTexture;
670 public event SetEstateTerrainTextureHeights OnSetEstateTerrainTextureHeights;
671 public event CommitEstateTerrainTextureRequest OnCommitEstateTerrainTextureRequest;
672 public event SetRegionTerrainSettings OnSetRegionTerrainSettings;
673 public event BakeTerrain OnBakeTerrain;
674 public event RequestTerrain OnUploadTerrain;
675 public event EstateChangeInfo OnEstateChangeInfo;
676 public event EstateRestartSimRequest OnEstateRestartSimRequest;
677 public event EstateChangeCovenantRequest OnEstateChangeCovenantRequest;
678 public event UpdateEstateAccessDeltaRequest OnUpdateEstateAccessDeltaRequest;
679 public event SimulatorBlueBoxMessageRequest OnSimulatorBlueBoxMessageRequest;
680 public event EstateBlueBoxMessageRequest OnEstateBlueBoxMessageRequest;
681 public event EstateDebugRegionRequest OnEstateDebugRegionRequest;
682 public event EstateTeleportOneUserHomeRequest OnEstateTeleportOneUserHomeRequest;
683 public event EstateTeleportAllUsersHomeRequest OnEstateTeleportAllUsersHomeRequest;
684 public event RegionHandleRequest OnRegionHandleRequest;
685 public event ParcelInfoRequest OnParcelInfoRequest;
686 public event ScriptReset OnScriptReset;
687 public event GetScriptRunning OnGetScriptRunning;
688 public event SetScriptRunning OnSetScriptRunning;
689 public event UpdateVector OnAutoPilotGo;
690 public event TerrainUnacked OnUnackedTerrain;
691 public event ActivateGesture OnActivateGesture;
692 public event DeactivateGesture OnDeactivateGesture;
693 public event ObjectOwner OnObjectOwner;
694 public event DirPlacesQuery OnDirPlacesQuery;
695 public event DirFindQuery OnDirFindQuery;
696 public event DirLandQuery OnDirLandQuery;
697 public event DirPopularQuery OnDirPopularQuery;
698 public event DirClassifiedQuery OnDirClassifiedQuery;
699 public event EventInfoRequest OnEventInfoRequest;
700 public event ParcelSetOtherCleanTime OnParcelSetOtherCleanTime;
701 public event MapItemRequest OnMapItemRequest;
702 public event OfferCallingCard OnOfferCallingCard;
703 public event AcceptCallingCard OnAcceptCallingCard;
704 public event DeclineCallingCard OnDeclineCallingCard;
705 public event SoundTrigger OnSoundTrigger;
706 public event StartLure OnStartLure;
707 public event TeleportLureRequest OnTeleportLureRequest;
708 public event NetworkStats OnNetworkStatsUpdate;
709 public event ClassifiedInfoRequest OnClassifiedInfoRequest;
710 public event ClassifiedInfoUpdate OnClassifiedInfoUpdate;
711 public event ClassifiedDelete OnClassifiedDelete;
712 public event ClassifiedDelete OnClassifiedGodDelete;
713 public event EventNotificationAddRequest OnEventNotificationAddRequest;
714 public event EventNotificationRemoveRequest OnEventNotificationRemoveRequest;
715 public event EventGodDelete OnEventGodDelete;
716 public event ParcelDwellRequest OnParcelDwellRequest;
717 public event UserInfoRequest OnUserInfoRequest;
718 public event UpdateUserInfo OnUpdateUserInfo;
719 public event RetrieveInstantMessages OnRetrieveInstantMessages;
720 public event PickDelete OnPickDelete;
721 public event PickGodDelete OnPickGodDelete;
722 public event PickInfoUpdate OnPickInfoUpdate;
723 public event AvatarNotesUpdate OnAvatarNotesUpdate;
724 public event MuteListRequest OnMuteListRequest;
725 public event AvatarInterestUpdate OnAvatarInterestUpdate;
726 public event PlacesQuery OnPlacesQuery;
727
728 #endregion Events
729
730 public void ActivateGesture(UUID assetId, UUID gestureId) 611 public void ActivateGesture(UUID assetId, UUID gestureId)
731 { 612 {
732 } 613 }
@@ -1346,7 +1227,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
1346 kill.ObjectData[0].ID = localID; 1227 kill.ObjectData[0].ID = localID;
1347 kill.Header.Reliable = true; 1228 kill.Header.Reliable = true;
1348 kill.Header.Zerocoded = true; 1229 kill.Header.Zerocoded = true;
1349 OutPacket(kill, ThrottleOutPacketType.Task); 1230 OutPacket(kill, ThrottleOutPacketType.State);
1350 } 1231 }
1351 1232
1352 /// <summary> 1233 /// <summary>
@@ -1940,7 +1821,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
1940 sendXfer.XferID.ID = xferID; 1821 sendXfer.XferID.ID = xferID;
1941 sendXfer.XferID.Packet = packet; 1822 sendXfer.XferID.Packet = packet;
1942 sendXfer.DataPacket.Data = data; 1823 sendXfer.DataPacket.Data = data;
1943 OutPacket(sendXfer, ThrottleOutPacketType.Task); 1824 OutPacket(sendXfer, ThrottleOutPacketType.Asset);
1944 } 1825 }
1945 1826
1946 public void SendEconomyData(float EnergyEfficiency, int ObjectCapacity, int ObjectCount, int PriceEnergyUnit, 1827 public void SendEconomyData(float EnergyEfficiency, int ObjectCapacity, int ObjectCount, int PriceEnergyUnit,
@@ -2222,7 +2103,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
2222 packet.AgentData.SessionID = SessionId; 2103 packet.AgentData.SessionID = SessionId;
2223 packet.Header.Reliable = false; 2104 packet.Header.Reliable = false;
2224 packet.Header.Zerocoded = true; 2105 packet.Header.Zerocoded = true;
2225 OutPacket(packet, ThrottleOutPacketType.Task); 2106 OutPacket(packet, ThrottleOutPacketType.State);
2226 } 2107 }
2227 2108
2228 public void SendAvatarProperties(UUID avatarID, string aboutText, string bornOn, Byte[] charterMember, 2109 public void SendAvatarProperties(UUID avatarID, string aboutText, string bornOn, Byte[] charterMember,
@@ -3245,7 +3126,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
3245 3126
3246 avp.Sender.IsTrial = false; 3127 avp.Sender.IsTrial = false;
3247 avp.Sender.ID = agentID; 3128 avp.Sender.ID = agentID;
3248 OutPacket(avp, ThrottleOutPacketType.Task); 3129 OutPacket(avp, ThrottleOutPacketType.State);
3249 } 3130 }
3250 3131
3251 public void SendAnimations(UUID[] animations, int[] seqs, UUID sourceAgentId, UUID[] objectIDs) 3132 public void SendAnimations(UUID[] animations, int[] seqs, UUID sourceAgentId, UUID[] objectIDs)
@@ -3370,7 +3251,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
3370 int length = 0; 3251 int length = 0;
3371 m_avatarTerseUpdates[count].ToBytes(blockbuffer, ref length); 3252 m_avatarTerseUpdates[count].ToBytes(blockbuffer, ref length);
3372 length = Helpers.ZeroEncode(blockbuffer, length, zerobuffer); 3253 length = Helpers.ZeroEncode(blockbuffer, length, zerobuffer);
3373 if (size + length > m_packetMTU) 3254 if (size + length > Packet.MTU)
3374 break; 3255 break;
3375 size += length; 3256 size += length;
3376 } 3257 }
@@ -3385,6 +3266,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
3385 3266
3386 terse.Header.Reliable = false; 3267 terse.Header.Reliable = false;
3387 terse.Header.Zerocoded = true; 3268 terse.Header.Zerocoded = true;
3269 // FIXME: Move this to ThrottleOutPacketType.State when the real prioritization code is committed
3388 OutPacket(terse, ThrottleOutPacketType.Task); 3270 OutPacket(terse, ThrottleOutPacketType.Task);
3389 3271
3390 if (m_avatarTerseUpdates.Count == 0) 3272 if (m_avatarTerseUpdates.Count == 0)
@@ -3614,7 +3496,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
3614 int length = 0; 3496 int length = 0;
3615 m_primFullUpdates[count].ToBytes(blockbuffer, ref length); 3497 m_primFullUpdates[count].ToBytes(blockbuffer, ref length);
3616 length = Helpers.ZeroEncode(blockbuffer, length, zerobuffer); 3498 length = Helpers.ZeroEncode(blockbuffer, length, zerobuffer);
3617 if (size + length > m_packetMTU) 3499 if (size + length > Packet.MTU)
3618 break; 3500 break;
3619 size += length; 3501 size += length;
3620 } 3502 }
@@ -3629,7 +3511,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
3629 } 3511 }
3630 3512
3631 outPacket.Header.Zerocoded = true; 3513 outPacket.Header.Zerocoded = true;
3632 OutPacket(outPacket, ThrottleOutPacketType.Task); 3514 OutPacket(outPacket, ThrottleOutPacketType.State);
3633 3515
3634 if (m_primFullUpdates.Count == 0 && m_primFullUpdateTimer.Enabled) 3516 if (m_primFullUpdates.Count == 0 && m_primFullUpdateTimer.Enabled)
3635 lock (m_primFullUpdateTimer) 3517 lock (m_primFullUpdateTimer)
@@ -3702,7 +3584,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
3702 int length = 0; 3584 int length = 0;
3703 m_primTerseUpdates[count].ToBytes(blockbuffer, ref length); 3585 m_primTerseUpdates[count].ToBytes(blockbuffer, ref length);
3704 length = Helpers.ZeroEncode(blockbuffer, length, zerobuffer); 3586 length = Helpers.ZeroEncode(blockbuffer, length, zerobuffer);
3705 if (size + length > m_packetMTU) 3587 if (size + length > Packet.MTU)
3706 break; 3588 break;
3707 size += length; 3589 size += length;
3708 } 3590 }
@@ -3719,7 +3601,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
3719 3601
3720 outPacket.Header.Reliable = false; 3602 outPacket.Header.Reliable = false;
3721 outPacket.Header.Zerocoded = true; 3603 outPacket.Header.Zerocoded = true;
3722 OutPacket(outPacket, ThrottleOutPacketType.Task); 3604 OutPacket(outPacket, ThrottleOutPacketType.State);
3723 3605
3724 if (m_primTerseUpdates.Count == 0) 3606 if (m_primTerseUpdates.Count == 0)
3725 lock (m_primTerseUpdateTimer) 3607 lock (m_primTerseUpdateTimer)
@@ -4805,7 +4687,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
4805 4687
4806 public bool HandleObjectGroupRequest(IClientAPI sender, Packet Pack) 4688 public bool HandleObjectGroupRequest(IClientAPI sender, Packet Pack)
4807 { 4689 {
4808
4809 ObjectGroupPacket ogpack = (ObjectGroupPacket)Pack; 4690 ObjectGroupPacket ogpack = (ObjectGroupPacket)Pack;
4810 if (ogpack.AgentData.SessionID != SessionId) return false; 4691 if (ogpack.AgentData.SessionID != SessionId) return false;
4811 4692
@@ -10252,7 +10133,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
10252 10133
10253 public void KillEndDone() 10134 public void KillEndDone()
10254 { 10135 {
10255 m_udpClient.Shutdown();
10256 } 10136 }
10257 10137
10258 #region IClientCore 10138 #region IClientCore
@@ -10295,15 +10175,14 @@ namespace OpenSim.Region.ClientStack.LindenUDP
10295 { 10175 {
10296 Kick(reason); 10176 Kick(reason);
10297 Thread.Sleep(1000); 10177 Thread.Sleep(1000);
10298 Close(true); 10178 Close();
10299 } 10179 }
10300 10180
10301 public void Disconnect() 10181 public void Disconnect()
10302 { 10182 {
10303 Close(true); 10183 Close();
10304 } 10184 }
10305 10185
10306
10307 #endregion 10186 #endregion
10308 10187
10309 public void RefreshGroupMembership() 10188 public void RefreshGroupMembership()
diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLImageManager.cs b/OpenSim/Region/ClientStack/LindenUDP/LLImageManager.cs
index 56d34e6..681562b 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLImageManager.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLImageManager.cs
@@ -172,39 +172,39 @@ namespace OpenSim.Region.ClientStack.LindenUDP
172 J2KImage imagereq; 172 J2KImage imagereq;
173 int numCollected = 0; 173 int numCollected = 0;
174 174
175 //lock (m_syncRoot) 175 m_lastloopprocessed = DateTime.Now.Ticks;
176 //{ 176
177 m_lastloopprocessed = DateTime.Now.Ticks; 177 // This can happen during Close()
178 178 if (m_client == null)
179 // This can happen during Close() 179 return false;
180 if (m_client == null) 180
181 return false; 181 while ((imagereq = GetHighestPriorityImage()) != null)
182 182 {
183 while ((imagereq = GetHighestPriorityImage()) != null) 183 if (imagereq.IsDecoded == true)
184 { 184 {
185 if (imagereq.IsDecoded == true) 185 ++numCollected;
186 {
187 ++numCollected;
188 186
189 if (imagereq.SendPackets(m_client, maxpack)) 187 if (imagereq.SendPackets(m_client, maxpack))
190 { 188 {
191 // Send complete. Destroy any knowledge of this transfer 189 // Send complete. Destroy any knowledge of this transfer
192 RemoveImageFromQueue(imagereq); 190 RemoveImageFromQueue(imagereq);
193 }
194 } 191 }
195
196 if (numCollected == count)
197 break;
198 } 192 }
199 //} 193
194 if (numCollected == count)
195 break;
196 }
200 197
201 return m_priorityQueue.Count > 0; 198 return m_priorityQueue.Count > 0;
202 } 199 }
203 200
204 //Faux destructor 201 /// <summary>
202 /// Faux destructor
203 /// </summary>
205 public void Close() 204 public void Close()
206 { 205 {
207 m_shuttingdown = true; 206 m_shuttingdown = true;
207 m_priorityQueue = null;
208 m_j2kDecodeModule = null; 208 m_j2kDecodeModule = null;
209 m_assetCache = null; 209 m_assetCache = null;
210 m_client = null; 210 m_client = null;
@@ -218,13 +218,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
218 218
219 lock (m_syncRoot) 219 lock (m_syncRoot)
220 { 220 {
221
222 if (m_priorityQueue.Count > 0) 221 if (m_priorityQueue.Count > 0)
223 { 222 {
224 try 223 try { image = m_priorityQueue.FindMax(); }
225 {
226 image = m_priorityQueue.FindMax();
227 }
228 catch (Exception) { } 224 catch (Exception) { }
229 } 225 }
230 } 226 }
diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLUDPClient.cs b/OpenSim/Region/ClientStack/LindenUDP/LLUDPClient.cs
index 871e8e8..e7707a9 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLUDPClient.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLUDPClient.cs
@@ -59,9 +59,14 @@ namespace OpenSim.Region.ClientStack.LindenUDP
59 /// </summary> 59 /// </summary>
60 public sealed class LLUDPClient 60 public sealed class LLUDPClient
61 { 61 {
62 // FIXME: Make this a config setting
63 /// <summary>Percentage of the task throttle category that is allocated to avatar and prim
64 /// state updates</summary>
65 const float STATE_TASK_PERCENTAGE = 0.8f;
66
62 /// <summary>The number of packet categories to throttle on. If a throttle category is added 67 /// <summary>The number of packet categories to throttle on. If a throttle category is added
63 /// or removed, this number must also change</summary> 68 /// or removed, this number must also change</summary>
64 const int THROTTLE_CATEGORY_COUNT = 7; 69 const int THROTTLE_CATEGORY_COUNT = 8;
65 70
66 /// <summary>Fired when updated networking stats are produced for this client</summary> 71 /// <summary>Fired when updated networking stats are produced for this client</summary>
67 public event PacketStats OnPacketStats; 72 public event PacketStats OnPacketStats;
@@ -80,10 +85,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
80 /// <summary>Packets we have sent that need to be ACKed by the client</summary> 85 /// <summary>Packets we have sent that need to be ACKed by the client</summary>
81 public readonly UnackedPacketCollection NeedAcks = new UnackedPacketCollection(); 86 public readonly UnackedPacketCollection NeedAcks = new UnackedPacketCollection();
82 /// <summary>ACKs that are queued up, waiting to be sent to the client</summary> 87 /// <summary>ACKs that are queued up, waiting to be sent to the client</summary>
83 public readonly LocklessQueue<uint> PendingAcks = new LocklessQueue<uint>(); 88 public readonly OpenSim.Framework.LocklessQueue<uint> PendingAcks = new OpenSim.Framework.LocklessQueue<uint>();
84 89
85 /// <summary>Reference to the IClientAPI for this client</summary>
86 public LLClientView ClientAPI;
87 /// <summary>Current packet sequence number</summary> 90 /// <summary>Current packet sequence number</summary>
88 public int CurrentSequence; 91 public int CurrentSequence;
89 /// <summary>Current ping sequence number</summary> 92 /// <summary>Current ping sequence number</summary>
@@ -129,7 +132,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
129 /// <summary>Throttle rate defaults and limits</summary> 132 /// <summary>Throttle rate defaults and limits</summary>
130 private readonly ThrottleRates defaultThrottleRates; 133 private readonly ThrottleRates defaultThrottleRates;
131 /// <summary>Outgoing queues for throttled packets</summary> 134 /// <summary>Outgoing queues for throttled packets</summary>
132 private readonly LocklessQueue<OutgoingPacket>[] packetOutboxes = new LocklessQueue<OutgoingPacket>[THROTTLE_CATEGORY_COUNT]; 135 private readonly OpenSim.Framework.LocklessQueue<OutgoingPacket>[] packetOutboxes = new OpenSim.Framework.LocklessQueue<OutgoingPacket>[THROTTLE_CATEGORY_COUNT];
133 /// <summary>A container that can hold one packet for each outbox, used to store 136 /// <summary>A container that can hold one packet for each outbox, used to store
134 /// dequeued packets that are being held for throttling</summary> 137 /// dequeued packets that are being held for throttling</summary>
135 private readonly OutgoingPacket[] nextPackets = new OutgoingPacket[THROTTLE_CATEGORY_COUNT]; 138 private readonly OutgoingPacket[] nextPackets = new OutgoingPacket[THROTTLE_CATEGORY_COUNT];
@@ -158,7 +161,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
158 defaultThrottleRates = rates; 161 defaultThrottleRates = rates;
159 162
160 for (int i = 0; i < THROTTLE_CATEGORY_COUNT; i++) 163 for (int i = 0; i < THROTTLE_CATEGORY_COUNT; i++)
161 packetOutboxes[i] = new LocklessQueue<OutgoingPacket>(); 164 packetOutboxes[i] = new OpenSim.Framework.LocklessQueue<OutgoingPacket>();
162 165
163 throttle = new TokenBucket(parentThrottle, 0, 0); 166 throttle = new TokenBucket(parentThrottle, 0, 0);
164 throttleCategories = new TokenBucket[THROTTLE_CATEGORY_COUNT]; 167 throttleCategories = new TokenBucket[THROTTLE_CATEGORY_COUNT];
@@ -166,9 +169,12 @@ namespace OpenSim.Region.ClientStack.LindenUDP
166 throttleCategories[(int)ThrottleOutPacketType.Land] = new TokenBucket(throttle, rates.LandLimit, rates.Land); 169 throttleCategories[(int)ThrottleOutPacketType.Land] = new TokenBucket(throttle, rates.LandLimit, rates.Land);
167 throttleCategories[(int)ThrottleOutPacketType.Wind] = new TokenBucket(throttle, rates.WindLimit, rates.Wind); 170 throttleCategories[(int)ThrottleOutPacketType.Wind] = new TokenBucket(throttle, rates.WindLimit, rates.Wind);
168 throttleCategories[(int)ThrottleOutPacketType.Cloud] = new TokenBucket(throttle, rates.CloudLimit, rates.Cloud); 171 throttleCategories[(int)ThrottleOutPacketType.Cloud] = new TokenBucket(throttle, rates.CloudLimit, rates.Cloud);
169 throttleCategories[(int)ThrottleOutPacketType.Task] = new TokenBucket(throttle, rates.TaskLimit, rates.Task);
170 throttleCategories[(int)ThrottleOutPacketType.Texture] = new TokenBucket(throttle, rates.TextureLimit, rates.Texture); 172 throttleCategories[(int)ThrottleOutPacketType.Texture] = new TokenBucket(throttle, rates.TextureLimit, rates.Texture);
171 throttleCategories[(int)ThrottleOutPacketType.Asset] = new TokenBucket(throttle, rates.AssetLimit, rates.Asset); 173 throttleCategories[(int)ThrottleOutPacketType.Asset] = new TokenBucket(throttle, rates.AssetLimit, rates.Asset);
174 // State and Transaction are actually sub-categories of the LLUDP generic "Task" category
175 TokenBucket stateBucket = new TokenBucket(throttle, (int)((float)rates.TaskLimit * STATE_TASK_PERCENTAGE), (int)((float)rates.Task * STATE_TASK_PERCENTAGE));
176 throttleCategories[(int)ThrottleOutPacketType.State] = stateBucket;
177 throttleCategories[(int)ThrottleOutPacketType.Task] = new TokenBucket(throttle, rates.TaskLimit - stateBucket.MaxBurst, rates.Task - stateBucket.DripRate);
172 178
173 // Set the granularity variable used for retransmission calculations to 179 // Set the granularity variable used for retransmission calculations to
174 // the measured resolution of Environment.TickCount 180 // the measured resolution of Environment.TickCount
@@ -176,6 +182,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
176 182
177 // Default the retransmission timeout to three seconds 183 // Default the retransmission timeout to three seconds
178 RTO = 3000; 184 RTO = 3000;
185
186 // Initialize this to a sane value to prevent early disconnects
187 TickLastPacketReceived = Environment.TickCount;
179 } 188 }
180 189
181 /// <summary> 190 /// <summary>
@@ -183,8 +192,15 @@ namespace OpenSim.Region.ClientStack.LindenUDP
183 /// </summary> 192 /// </summary>
184 public void Shutdown() 193 public void Shutdown()
185 { 194 {
186 // TODO: Do we need to invalidate the circuit?
187 IsConnected = false; 195 IsConnected = false;
196 NeedAcks.Clear();
197 for (int i = 0; i < THROTTLE_CATEGORY_COUNT; i++)
198 {
199 packetOutboxes[i].Clear();
200 nextPackets[i] = null;
201 }
202 OnPacketStats = null;
203 OnQueueEmpty = null;
188 } 204 }
189 205
190 /// <summary> 206 /// <summary>
@@ -204,7 +220,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
204 info.landThrottle = throttleCategories[(int)ThrottleOutPacketType.Land].DripRate; 220 info.landThrottle = throttleCategories[(int)ThrottleOutPacketType.Land].DripRate;
205 info.windThrottle = throttleCategories[(int)ThrottleOutPacketType.Wind].DripRate; 221 info.windThrottle = throttleCategories[(int)ThrottleOutPacketType.Wind].DripRate;
206 info.cloudThrottle = throttleCategories[(int)ThrottleOutPacketType.Cloud].DripRate; 222 info.cloudThrottle = throttleCategories[(int)ThrottleOutPacketType.Cloud].DripRate;
207 info.taskThrottle = throttleCategories[(int)ThrottleOutPacketType.Task].DripRate; 223 info.taskThrottle = throttleCategories[(int)ThrottleOutPacketType.State].DripRate + throttleCategories[(int)ThrottleOutPacketType.Task].DripRate;
208 info.assetThrottle = throttleCategories[(int)ThrottleOutPacketType.Asset].DripRate; 224 info.assetThrottle = throttleCategories[(int)ThrottleOutPacketType.Asset].DripRate;
209 info.textureThrottle = throttleCategories[(int)ThrottleOutPacketType.Texture].DripRate; 225 info.textureThrottle = throttleCategories[(int)ThrottleOutPacketType.Texture].DripRate;
210 info.totalThrottle = info.resendThrottle + info.landThrottle + info.windThrottle + info.cloudThrottle + 226 info.totalThrottle = info.resendThrottle + info.landThrottle + info.windThrottle + info.cloudThrottle +
@@ -301,7 +317,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
301 Buffer.BlockCopy(Utils.FloatToBytes((float)throttleCategories[(int)ThrottleOutPacketType.Land].DripRate), 0, data, i, 4); i += 4; 317 Buffer.BlockCopy(Utils.FloatToBytes((float)throttleCategories[(int)ThrottleOutPacketType.Land].DripRate), 0, data, i, 4); i += 4;
302 Buffer.BlockCopy(Utils.FloatToBytes((float)throttleCategories[(int)ThrottleOutPacketType.Wind].DripRate), 0, data, i, 4); i += 4; 318 Buffer.BlockCopy(Utils.FloatToBytes((float)throttleCategories[(int)ThrottleOutPacketType.Wind].DripRate), 0, data, i, 4); i += 4;
303 Buffer.BlockCopy(Utils.FloatToBytes((float)throttleCategories[(int)ThrottleOutPacketType.Cloud].DripRate), 0, data, i, 4); i += 4; 319 Buffer.BlockCopy(Utils.FloatToBytes((float)throttleCategories[(int)ThrottleOutPacketType.Cloud].DripRate), 0, data, i, 4); i += 4;
304 Buffer.BlockCopy(Utils.FloatToBytes((float)throttleCategories[(int)ThrottleOutPacketType.Task].DripRate), 0, data, i, 4); i += 4; 320 Buffer.BlockCopy(Utils.FloatToBytes((float)(throttleCategories[(int)ThrottleOutPacketType.Task].DripRate) +
321 throttleCategories[(int)ThrottleOutPacketType.State].DripRate), 0, data, i, 4); i += 4;
305 Buffer.BlockCopy(Utils.FloatToBytes((float)throttleCategories[(int)ThrottleOutPacketType.Texture].DripRate), 0, data, i, 4); i += 4; 322 Buffer.BlockCopy(Utils.FloatToBytes((float)throttleCategories[(int)ThrottleOutPacketType.Texture].DripRate), 0, data, i, 4); i += 4;
306 Buffer.BlockCopy(Utils.FloatToBytes((float)throttleCategories[(int)ThrottleOutPacketType.Asset].DripRate), 0, data, i, 4); i += 4; 323 Buffer.BlockCopy(Utils.FloatToBytes((float)throttleCategories[(int)ThrottleOutPacketType.Asset].DripRate), 0, data, i, 4); i += 4;
307 324
@@ -310,12 +327,26 @@ namespace OpenSim.Region.ClientStack.LindenUDP
310 327
311 public void SetThrottle(ThrottleOutPacketType category, int rate) 328 public void SetThrottle(ThrottleOutPacketType category, int rate)
312 { 329 {
313 int i = (int)category; 330 if (category == ThrottleOutPacketType.Task)
314 if (i >= 0 && i < throttleCategories.Length)
315 { 331 {
316 TokenBucket bucket = throttleCategories[(int)category]; 332 TokenBucket stateBucket = throttleCategories[(int)ThrottleOutPacketType.State];
317 bucket.MaxBurst = rate; 333 TokenBucket taskBucket = throttleCategories[(int)ThrottleOutPacketType.Task];
318 bucket.DripRate = rate; 334
335 stateBucket.MaxBurst = (int)((float)rate * STATE_TASK_PERCENTAGE);
336 stateBucket.DripRate = (int)((float)rate * STATE_TASK_PERCENTAGE);
337
338 taskBucket.MaxBurst = rate - stateBucket.MaxBurst;
339 taskBucket.DripRate = rate - stateBucket.DripRate;
340 }
341 else
342 {
343 int i = (int)category;
344 if (i >= 0 && i < throttleCategories.Length)
345 {
346 TokenBucket bucket = throttleCategories[(int)category];
347 bucket.MaxBurst = rate;
348 bucket.DripRate = rate;
349 }
319 } 350 }
320 } 351 }
321 352
@@ -325,7 +356,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
325 356
326 if (category >= 0 && category < packetOutboxes.Length) 357 if (category >= 0 && category < packetOutboxes.Length)
327 { 358 {
328 LocklessQueue<OutgoingPacket> queue = packetOutboxes[category]; 359 OpenSim.Framework.LocklessQueue<OutgoingPacket> queue = packetOutboxes[category];
329 TokenBucket bucket = throttleCategories[category]; 360 TokenBucket bucket = throttleCategories[category];
330 361
331 if (throttleCategories[category].RemoveTokens(packet.Buffer.DataLength)) 362 if (throttleCategories[category].RemoveTokens(packet.Buffer.DataLength))
@@ -357,7 +388,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
357 public bool DequeueOutgoing() 388 public bool DequeueOutgoing()
358 { 389 {
359 OutgoingPacket packet; 390 OutgoingPacket packet;
360 LocklessQueue<OutgoingPacket> queue; 391 OpenSim.Framework.LocklessQueue<OutgoingPacket> queue;
361 TokenBucket bucket; 392 TokenBucket bucket;
362 bool packetSent = false; 393 bool packetSent = false;
363 394
@@ -400,13 +431,18 @@ namespace OpenSim.Region.ClientStack.LindenUDP
400 nextPackets[i] = packet; 431 nextPackets[i] = packet;
401 nextPacketLengths[i] = packet.Buffer.DataLength; 432 nextPacketLengths[i] = packet.Buffer.DataLength;
402 } 433 }
434
435 // If the queue is empty after this dequeue, fire the queue
436 // empty callback now so it has a chance to fill before we
437 // get back here
438 if (queue.Count == 0)
439 FireQueueEmpty(i);
403 } 440 }
404 else 441 else
405 { 442 {
406 // No packets in this queue. Fire the queue empty callback 443 // No packets in this queue. Fire the queue empty callback
407 QueueEmpty callback = OnQueueEmpty; 444 // if it has not been called recently
408 if (callback != null) 445 FireQueueEmpty(i);
409 callback((ThrottleOutPacketType)i);
410 } 446 }
411 } 447 }
412 } 448 }
@@ -435,8 +471,15 @@ namespace OpenSim.Region.ClientStack.LindenUDP
435 471
436 // Always round retransmission timeout up to two seconds 472 // Always round retransmission timeout up to two seconds
437 RTO = Math.Max(2000, (int)(SRTT + Math.Max(G, K * RTTVAR))); 473 RTO = Math.Max(2000, (int)(SRTT + Math.Max(G, K * RTTVAR)));
438 //Logger.Debug("Setting agent " + this.Agent.FullName + "'s RTO to " + RTO + "ms with an RTTVAR of " + 474 //m_log.Debug("[LLUDPCLIENT]: Setting agent " + this.Agent.FullName + "'s RTO to " + RTO + "ms with an RTTVAR of " +
439 // RTTVAR + " based on new RTT of " + r + "ms"); 475 // RTTVAR + " based on new RTT of " + r + "ms");
440 } 476 }
477
478 private void FireQueueEmpty(int queueIndex)
479 {
480 QueueEmpty callback = OnQueueEmpty;
481 if (callback != null)
482 Util.FireAndForget(delegate(object o) { callback((ThrottleOutPacketType)(int)o); }, queueIndex);
483 }
441 } 484 }
442} 485}
diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLUDPClientCollection.cs b/OpenSim/Region/ClientStack/LindenUDP/LLUDPClientCollection.cs
deleted file mode 100644
index dbb9861..0000000
--- a/OpenSim/Region/ClientStack/LindenUDP/LLUDPClientCollection.cs
+++ /dev/null
@@ -1,282 +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 OpenSimulator 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
28using System;
29using System.Collections.Generic;
30using System.Net;
31using OpenSim.Framework;
32using OpenMetaverse;
33
34using ReaderWriterLockImpl = OpenMetaverse.ReaderWriterLockSlim;
35
36namespace OpenSim.Region.ClientStack.LindenUDP
37{
38 public sealed class UDPClientCollection
39 {
40 Dictionary<UUID, LLUDPClient> Dictionary1;
41 Dictionary<IPEndPoint, LLUDPClient> Dictionary2;
42 LLUDPClient[] Array;
43 ReaderWriterLockImpl rwLock = new ReaderWriterLockImpl();
44 object m_sync = new object();
45
46 public UDPClientCollection()
47 {
48 Dictionary1 = new Dictionary<UUID, LLUDPClient>();
49 Dictionary2 = new Dictionary<IPEndPoint, LLUDPClient>();
50 Array = new LLUDPClient[0];
51 }
52
53 public UDPClientCollection(int capacity)
54 {
55 Dictionary1 = new Dictionary<UUID, LLUDPClient>(capacity);
56 Dictionary2 = new Dictionary<IPEndPoint, LLUDPClient>(capacity);
57 Array = new LLUDPClient[0];
58 }
59
60 public void Add(UUID key1, IPEndPoint key2, LLUDPClient value)
61 {
62 //rwLock.EnterWriteLock();
63
64 //try
65 //{
66 // if (Dictionary1.ContainsKey(key1))
67 // {
68 // if (!Dictionary2.ContainsKey(key2))
69 // throw new ArgumentException("key1 exists in the dictionary but not key2");
70 // }
71 // else if (Dictionary2.ContainsKey(key2))
72 // {
73 // if (!Dictionary1.ContainsKey(key1))
74 // throw new ArgumentException("key2 exists in the dictionary but not key1");
75 // }
76
77 // Dictionary1[key1] = value;
78 // Dictionary2[key2] = value;
79
80 // LLUDPClient[] oldArray = Array;
81 // int oldLength = oldArray.Length;
82
83 // LLUDPClient[] newArray = new LLUDPClient[oldLength + 1];
84 // for (int i = 0; i < oldLength; i++)
85 // newArray[i] = oldArray[i];
86 // newArray[oldLength] = value;
87
88 // Array = newArray;
89 //}
90 //finally { rwLock.ExitWriteLock(); }
91
92 lock (m_sync)
93 {
94 if (Dictionary1.ContainsKey(key1))
95 {
96 if (!Dictionary2.ContainsKey(key2))
97 throw new ArgumentException("key1 exists in the dictionary but not key2");
98 }
99 else if (Dictionary2.ContainsKey(key2))
100 {
101 if (!Dictionary1.ContainsKey(key1))
102 throw new ArgumentException("key2 exists in the dictionary but not key1");
103 }
104
105 Dictionary1[key1] = value;
106 Dictionary2[key2] = value;
107
108 LLUDPClient[] oldArray = Array;
109 int oldLength = oldArray.Length;
110
111 LLUDPClient[] newArray = new LLUDPClient[oldLength + 1];
112 for (int i = 0; i < oldLength; i++)
113 newArray[i] = oldArray[i];
114 newArray[oldLength] = value;
115
116 Array = newArray;
117 }
118
119 }
120
121 public bool Remove(UUID key1, IPEndPoint key2)
122 {
123 //rwLock.EnterWriteLock();
124
125 //try
126 //{
127 // LLUDPClient value;
128 // if (Dictionary1.TryGetValue(key1, out value))
129 // {
130 // Dictionary1.Remove(key1);
131 // Dictionary2.Remove(key2);
132
133 // LLUDPClient[] oldArray = Array;
134 // int oldLength = oldArray.Length;
135
136 // LLUDPClient[] newArray = new LLUDPClient[oldLength - 1];
137 // int j = 0;
138 // for (int i = 0; i < oldLength; i++)
139 // {
140 // if (oldArray[i] != value)
141 // newArray[j++] = oldArray[i];
142 // }
143
144 // Array = newArray;
145 // return true;
146 // }
147 //}
148 //finally { rwLock.ExitWriteLock(); }
149
150 //return false;
151
152 lock (m_sync)
153 {
154 LLUDPClient value;
155 if (Dictionary1.TryGetValue(key1, out value))
156 {
157 Dictionary1.Remove(key1);
158 Dictionary2.Remove(key2);
159
160 LLUDPClient[] oldArray = Array;
161 int oldLength = oldArray.Length;
162
163 LLUDPClient[] newArray = new LLUDPClient[oldLength - 1];
164 int j = 0;
165 for (int i = 0; i < oldLength; i++)
166 {
167 if (oldArray[i] != value)
168 newArray[j++] = oldArray[i];
169 }
170
171 Array = newArray;
172 return true;
173 }
174 }
175
176 return false;
177
178 }
179
180 public void Clear()
181 {
182 //rwLock.EnterWriteLock();
183
184 //try
185 //{
186 // Dictionary1.Clear();
187 // Dictionary2.Clear();
188 // Array = new LLUDPClient[0];
189 //}
190 //finally { rwLock.ExitWriteLock(); }
191
192 lock (m_sync)
193 {
194 Dictionary1.Clear();
195 Dictionary2.Clear();
196 Array = new LLUDPClient[0];
197 }
198
199 }
200
201 public int Count
202 {
203 get { return Array.Length; }
204 }
205
206 public bool ContainsKey(UUID key)
207 {
208 return Dictionary1.ContainsKey(key);
209 }
210
211 public bool ContainsKey(IPEndPoint key)
212 {
213 return Dictionary2.ContainsKey(key);
214 }
215
216 public bool TryGetValue(UUID key, out LLUDPClient value)
217 {
218 ////bool success;
219 ////bool doLock = !rwLock.IsUpgradeableReadLockHeld;
220 ////if (doLock) rwLock.EnterReadLock();
221
222 ////try { success = Dictionary1.TryGetValue(key, out value); }
223 ////finally { if (doLock) rwLock.ExitReadLock(); }
224
225 ////return success;
226
227 lock (m_sync)
228 return Dictionary1.TryGetValue(key, out value);
229
230 //try
231 //{
232 // return Dictionary1.TryGetValue(key, out value);
233 //}
234 //catch { }
235 //value = null;
236 //return false;
237 }
238
239 public bool TryGetValue(IPEndPoint key, out LLUDPClient value)
240 {
241 ////bool success;
242 ////bool doLock = !rwLock.IsUpgradeableReadLockHeld;
243 ////if (doLock) rwLock.EnterReadLock();
244
245 ////try { success = Dictionary2.TryGetValue(key, out value); }
246 ////finally { if (doLock) rwLock.ExitReadLock(); }
247
248 ////return success;
249
250 lock (m_sync)
251 return Dictionary2.TryGetValue(key, out value);
252
253 //try
254 //{
255 // return Dictionary2.TryGetValue(key, out value);
256 //}
257 //catch { }
258 //value = null;
259 //return false;
260
261 }
262
263 public void ForEach(Action<LLUDPClient> action)
264 {
265 //bool doLock = !rwLock.IsUpgradeableReadLockHeld;
266 //if (doLock) rwLock.EnterUpgradeableReadLock();
267
268 //try { Parallel.ForEach<LLUDPClient>(Array, action); }
269 //finally { if (doLock) rwLock.ExitUpgradeableReadLock(); }
270
271 LLUDPClient[] localArray = null;
272 lock (m_sync)
273 {
274 localArray = new LLUDPClient[Array.Length];
275 Array.CopyTo(localArray, 0);
276 }
277
278 Parallel.ForEach<LLUDPClient>(localArray, action);
279
280 }
281 }
282}
diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs b/OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs
index c356f02..57fee59 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs
@@ -96,7 +96,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
96 /// <summary>Incoming packets that are awaiting handling</summary> 96 /// <summary>Incoming packets that are awaiting handling</summary>
97 private OpenMetaverse.BlockingQueue<IncomingPacket> packetInbox = new OpenMetaverse.BlockingQueue<IncomingPacket>(); 97 private OpenMetaverse.BlockingQueue<IncomingPacket> packetInbox = new OpenMetaverse.BlockingQueue<IncomingPacket>();
98 /// <summary></summary> 98 /// <summary></summary>
99 private UDPClientCollection clients = new UDPClientCollection(); 99 //private UDPClientCollection m_clients = new UDPClientCollection();
100 /// <summary>Bandwidth throttle for this UDP server</summary> 100 /// <summary>Bandwidth throttle for this UDP server</summary>
101 private TokenBucket m_throttle; 101 private TokenBucket m_throttle;
102 /// <summary>Bandwidth throttle rates for this UDP server</summary> 102 /// <summary>Bandwidth throttle rates for this UDP server</summary>
@@ -115,7 +115,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
115 public Socket Server { get { return null; } } 115 public Socket Server { get { return null; } }
116 116
117 public LLUDPServer(IPAddress listenIP, ref uint port, int proxyPortOffsetParm, bool allow_alternate_port, IConfigSource configSource, AgentCircuitManager circuitManager) 117 public LLUDPServer(IPAddress listenIP, ref uint port, int proxyPortOffsetParm, bool allow_alternate_port, IConfigSource configSource, AgentCircuitManager circuitManager)
118 : base((int)port) 118 : base(listenIP, (int)port)
119 { 119 {
120 #region Environment.TickCount Measurement 120 #region Environment.TickCount Measurement
121 121
@@ -143,7 +143,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
143 public new void Start() 143 public new void Start()
144 { 144 {
145 if (m_scene == null) 145 if (m_scene == null)
146 throw new InvalidOperationException("Cannot LLUDPServer.Start() without an IScene reference"); 146 throw new InvalidOperationException("[LLUDPSERVER]: Cannot LLUDPServer.Start() without an IScene reference");
147 147
148 base.Start(); 148 base.Start();
149 149
@@ -181,24 +181,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
181 return x == m_location; 181 return x == m_location;
182 } 182 }
183 183
184 public void RemoveClient(IClientAPI client)
185 {
186 m_scene.ClientManager.Remove(client.CircuitCode);
187 client.Close(false);
188
189 LLUDPClient udpClient;
190 if (clients.TryGetValue(client.AgentId, out udpClient))
191 {
192 m_log.Debug("[LLUDPSERVER]: Removing LLUDPClient for " + client.Name + " in " + m_scene.RegionInfo.RegionName);
193 udpClient.Shutdown();
194 clients.Remove(client.AgentId, udpClient.RemoteEndPoint);
195 }
196 else
197 {
198 m_log.Warn("[LLUDPSERVER]: Failed to remove LLUDPClient for " + client.Name);
199 }
200 }
201
202 public void BroadcastPacket(Packet packet, ThrottleOutPacketType category, bool sendToPausedAgents, bool allowSplitting) 184 public void BroadcastPacket(Packet packet, ThrottleOutPacketType category, bool sendToPausedAgents, bool allowSplitting)
203 { 185 {
204 // CoarseLocationUpdate packets cannot be split in an automated way 186 // CoarseLocationUpdate packets cannot be split in an automated way
@@ -216,30 +198,29 @@ namespace OpenSim.Region.ClientStack.LindenUDP
216 for (int i = 0; i < packetCount; i++) 198 for (int i = 0; i < packetCount; i++)
217 { 199 {
218 byte[] data = datas[i]; 200 byte[] data = datas[i];
219 clients.ForEach( 201 m_scene.ClientManager.ForEach(
220 delegate(LLUDPClient client) 202 delegate(IClientAPI client)
221 { SendPacketData(client, data, data.Length, packet.Type, packet.Header.Zerocoded, category); }); 203 {
204 if (client is LLClientView)
205 SendPacketData(((LLClientView)client).UDPClient, data, packet.Type, category);
206 }
207 );
222 } 208 }
223 } 209 }
224 else 210 else
225 { 211 {
226 byte[] data = packet.ToBytes(); 212 byte[] data = packet.ToBytes();
227 clients.ForEach( 213 m_scene.ClientManager.ForEach(
228 delegate(LLUDPClient client) 214 delegate(IClientAPI client)
229 { SendPacketData(client, data, data.Length, packet.Type, packet.Header.Zerocoded, category); }); 215 {
216 if (client is LLClientView)
217 SendPacketData(((LLClientView)client).UDPClient, data, packet.Type, category);
218 }
219 );
230 } 220 }
231 } 221 }
232 222
233 public void SendPacket(UUID agentID, Packet packet, ThrottleOutPacketType category, bool allowSplitting) 223 public void SendPacket(LLUDPClient udpClient, Packet packet, ThrottleOutPacketType category, bool allowSplitting)
234 {
235 LLUDPClient client;
236 if (clients.TryGetValue(agentID, out client))
237 SendPacket(client, packet, category, allowSplitting);
238 else
239 m_log.Warn("[LLUDPSERVER]: Attempted to send a packet to unknown agentID " + agentID);
240 }
241
242 public void SendPacket(LLUDPClient client, Packet packet, ThrottleOutPacketType category, bool allowSplitting)
243 { 224 {
244 // CoarseLocationUpdate packets cannot be split in an automated way 225 // CoarseLocationUpdate packets cannot be split in an automated way
245 if (packet.Type == PacketType.CoarseLocationUpdate && allowSplitting) 226 if (packet.Type == PacketType.CoarseLocationUpdate && allowSplitting)
@@ -256,25 +237,28 @@ namespace OpenSim.Region.ClientStack.LindenUDP
256 for (int i = 0; i < packetCount; i++) 237 for (int i = 0; i < packetCount; i++)
257 { 238 {
258 byte[] data = datas[i]; 239 byte[] data = datas[i];
259 SendPacketData(client, data, data.Length, packet.Type, packet.Header.Zerocoded, category); 240 SendPacketData(udpClient, data, packet.Type, category);
260 } 241 }
261 } 242 }
262 else 243 else
263 { 244 {
264 byte[] data = packet.ToBytes(); 245 byte[] data = packet.ToBytes();
265 SendPacketData(client, data, data.Length, packet.Type, packet.Header.Zerocoded, category); 246 SendPacketData(udpClient, data, packet.Type, category);
266 } 247 }
267 } 248 }
268 249
269 public void SendPacketData(LLUDPClient client, byte[] data, int dataLength, PacketType type, bool doZerocode, ThrottleOutPacketType category) 250 public void SendPacketData(LLUDPClient udpClient, byte[] data, PacketType type, ThrottleOutPacketType category)
270 { 251 {
252 int dataLength = data.Length;
253 bool doZerocode = (data[0] & Helpers.MSG_ZEROCODED) != 0;
254
271 // Frequency analysis of outgoing packet sizes shows a large clump of packets at each end of the spectrum. 255 // Frequency analysis of outgoing packet sizes shows a large clump of packets at each end of the spectrum.
272 // The vast majority of packets are less than 200 bytes, although due to asset transfers and packet splitting 256 // The vast majority of packets are less than 200 bytes, although due to asset transfers and packet splitting
273 // there are a decent number of packets in the 1000-1140 byte range. We allocate one of two sizes of data here 257 // there are a decent number of packets in the 1000-1140 byte range. We allocate one of two sizes of data here
274 // to accomodate for both common scenarios and provide ample room for ACK appending in both 258 // to accomodate for both common scenarios and provide ample room for ACK appending in both
275 int bufferSize = (dataLength > 180) ? Packet.MTU : 200; 259 int bufferSize = (dataLength > 180) ? Packet.MTU : 200;
276 260
277 UDPPacketBuffer buffer = new UDPPacketBuffer(client.RemoteEndPoint, bufferSize); 261 UDPPacketBuffer buffer = new UDPPacketBuffer(udpClient.RemoteEndPoint, bufferSize);
278 262
279 // Zerocode if needed 263 // Zerocode if needed
280 if (doZerocode) 264 if (doZerocode)
@@ -285,17 +269,13 @@ namespace OpenSim.Region.ClientStack.LindenUDP
285 // The packet grew larger than the bufferSize while zerocoding. 269 // The packet grew larger than the bufferSize while zerocoding.
286 // Remove the MSG_ZEROCODED flag and send the unencoded data 270 // Remove the MSG_ZEROCODED flag and send the unencoded data
287 // instead 271 // instead
288 m_log.Info("[LLUDPSERVER]: Packet exceeded buffer size during zerocoding. Removing MSG_ZEROCODED flag"); 272 m_log.Debug("[LLUDPSERVER]: Packet exceeded buffer size during zerocoding for " + type + ". Removing MSG_ZEROCODED flag");
289 data[0] = (byte)(data[0] & ~Helpers.MSG_ZEROCODED); 273 data[0] = (byte)(data[0] & ~Helpers.MSG_ZEROCODED);
290 //
291 buffer = new UDPPacketBuffer(client.RemoteEndPoint, dataLength);
292 //
293 Buffer.BlockCopy(data, 0, buffer.Data, 0, dataLength); 274 Buffer.BlockCopy(data, 0, buffer.Data, 0, dataLength);
294 } 275 }
295 } 276 }
296 else 277 else
297 { 278 {
298 // ??? will it fit?
299 Buffer.BlockCopy(data, 0, buffer.Data, 0, dataLength); 279 Buffer.BlockCopy(data, 0, buffer.Data, 0, dataLength);
300 } 280 }
301 buffer.DataLength = dataLength; 281 buffer.DataLength = dataLength;
@@ -303,7 +283,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
303 #region Queue or Send 283 #region Queue or Send
304 284
305 // Look up the UDPClient this is going to 285 // Look up the UDPClient this is going to
306 OutgoingPacket outgoingPacket = new OutgoingPacket(client, buffer, category); 286 OutgoingPacket outgoingPacket = new OutgoingPacket(udpClient, buffer, category);
307 287
308 if (!outgoingPacket.Client.EnqueueOutgoing(outgoingPacket)) 288 if (!outgoingPacket.Client.EnqueueOutgoing(outgoingPacket))
309 SendPacketFinal(outgoingPacket); 289 SendPacketFinal(outgoingPacket);
@@ -311,18 +291,18 @@ namespace OpenSim.Region.ClientStack.LindenUDP
311 #endregion Queue or Send 291 #endregion Queue or Send
312 } 292 }
313 293
314 public void SendAcks(LLUDPClient client) 294 public void SendAcks(LLUDPClient udpClient)
315 { 295 {
316 uint ack; 296 uint ack;
317 297
318 if (client.PendingAcks.Dequeue(out ack)) 298 if (udpClient.PendingAcks.Dequeue(out ack))
319 { 299 {
320 List<PacketAckPacket.PacketsBlock> blocks = new List<PacketAckPacket.PacketsBlock>(); 300 List<PacketAckPacket.PacketsBlock> blocks = new List<PacketAckPacket.PacketsBlock>();
321 PacketAckPacket.PacketsBlock block = new PacketAckPacket.PacketsBlock(); 301 PacketAckPacket.PacketsBlock block = new PacketAckPacket.PacketsBlock();
322 block.ID = ack; 302 block.ID = ack;
323 blocks.Add(block); 303 blocks.Add(block);
324 304
325 while (client.PendingAcks.Dequeue(out ack)) 305 while (udpClient.PendingAcks.Dequeue(out ack))
326 { 306 {
327 block = new PacketAckPacket.PacketsBlock(); 307 block = new PacketAckPacket.PacketsBlock();
328 block.ID = ack; 308 block.ID = ack;
@@ -333,22 +313,39 @@ namespace OpenSim.Region.ClientStack.LindenUDP
333 packet.Header.Reliable = false; 313 packet.Header.Reliable = false;
334 packet.Packets = blocks.ToArray(); 314 packet.Packets = blocks.ToArray();
335 315
336 SendPacket(client, packet, ThrottleOutPacketType.Unknown, true); 316 SendPacket(udpClient, packet, ThrottleOutPacketType.Unknown, true);
337 } 317 }
338 } 318 }
339 319
340 public void SendPing(LLUDPClient client) 320 public void SendPing(LLUDPClient udpClient)
341 { 321 {
342 IClientAPI api = client.ClientAPI; 322 StartPingCheckPacket pc = (StartPingCheckPacket)PacketPool.Instance.GetPacket(PacketType.StartPingCheck);
343 if (api != null) 323 pc.Header.Reliable = false;
344 api.SendStartPingCheck(client.CurrentPingSequence++); 324
325 OutgoingPacket oldestPacket = udpClient.NeedAcks.GetOldest();
326
327 pc.PingID.PingID = (byte)udpClient.CurrentPingSequence++;
328 pc.PingID.OldestUnacked = (oldestPacket != null) ? oldestPacket.SequenceNumber : 0;
329
330 SendPacket(udpClient, pc, ThrottleOutPacketType.Unknown, false);
345 } 331 }
346 332
347 public void ResendUnacked(LLUDPClient client) 333 public void ResendUnacked(LLUDPClient udpClient)
348 { 334 {
349 if (client.NeedAcks.Count > 0) 335 if (udpClient.IsConnected && udpClient.NeedAcks.Count > 0)
350 { 336 {
351 List<OutgoingPacket> expiredPackets = client.NeedAcks.GetExpiredPackets(client.RTO); 337 // Disconnect an agent if no packets are received for some time
338 //FIXME: Make 60 an .ini setting
339 if (Environment.TickCount - udpClient.TickLastPacketReceived > 1000 * 60)
340 {
341 m_log.Warn("[LLUDPSERVER]: Ack timeout, disconnecting " + udpClient.AgentID);
342
343 RemoveClient(udpClient);
344 return;
345 }
346
347 // Get a list of all of the packets that have been sitting unacked longer than udpClient.RTO
348 List<OutgoingPacket> expiredPackets = udpClient.NeedAcks.GetExpiredPackets(udpClient.RTO);
352 349
353 if (expiredPackets != null) 350 if (expiredPackets != null)
354 { 351 {
@@ -357,54 +354,30 @@ namespace OpenSim.Region.ClientStack.LindenUDP
357 { 354 {
358 OutgoingPacket outgoingPacket = expiredPackets[i]; 355 OutgoingPacket outgoingPacket = expiredPackets[i];
359 356
360 // FIXME: Make this an .ini setting 357 //m_log.DebugFormat("[LLUDPSERVER]: Resending packet #{0} (attempt {1}), {2}ms have passed",
361 if (outgoingPacket.ResendCount < 3) 358 // outgoingPacket.SequenceNumber, outgoingPacket.ResendCount, Environment.TickCount - outgoingPacket.TickCount);
362 {
363 //Logger.Debug(String.Format("Resending packet #{0} (attempt {1}), {2}ms have passed",
364 // outgoingPacket.SequenceNumber, outgoingPacket.ResendCount, Environment.TickCount - outgoingPacket.TickCount));
365
366 // Set the resent flag
367 outgoingPacket.Buffer.Data[0] = (byte)(outgoingPacket.Buffer.Data[0] | Helpers.MSG_RESENT);
368 outgoingPacket.Category = ThrottleOutPacketType.Resend;
369
370 // The TickCount will be set to the current time when the packet
371 // is actually sent out again
372 outgoingPacket.TickCount = 0;
373
374 // Bump up the resend count on this packet
375 Interlocked.Increment(ref outgoingPacket.ResendCount);
376 //Interlocked.Increment(ref Stats.ResentPackets);
377
378 // Queue or (re)send the packet
379 if (!outgoingPacket.Client.EnqueueOutgoing(outgoingPacket))
380 SendPacketFinal(outgoingPacket);
381 }
382 else
383 {
384 m_log.DebugFormat("[LLUDPSERVER]: Dropping packet #{0} for agent {1} after {2} failed attempts",
385 outgoingPacket.SequenceNumber, outgoingPacket.Client.RemoteEndPoint, outgoingPacket.ResendCount);
386 359
387 lock (client.NeedAcks.SyncRoot) 360 // Set the resent flag
388 client.NeedAcks.RemoveUnsafe(outgoingPacket.SequenceNumber); 361 outgoingPacket.Buffer.Data[0] = (byte)(outgoingPacket.Buffer.Data[0] | Helpers.MSG_RESENT);
362 outgoingPacket.Category = ThrottleOutPacketType.Resend;
389 363
390 //Interlocked.Increment(ref Stats.DroppedPackets); 364 // The TickCount will be set to the current time when the packet
365 // is actually sent out again
366 outgoingPacket.TickCount = 0;
391 367
392 // Disconnect an agent if no packets are received for some time 368 // Bump up the resend count on this packet
393 //FIXME: Make 60 an .ini setting 369 Interlocked.Increment(ref outgoingPacket.ResendCount);
394 if (Environment.TickCount - client.TickLastPacketReceived > 1000 * 60) 370 //Interlocked.Increment(ref Stats.ResentPackets);
395 {
396 m_log.Warn("[LLUDPSERVER]: Ack timeout, disconnecting " + client.ClientAPI.Name);
397 371
398 RemoveClient(client.ClientAPI); 372 // Requeue or resend the packet
399 return; 373 if (!outgoingPacket.Client.EnqueueOutgoing(outgoingPacket))
400 } 374 SendPacketFinal(outgoingPacket);
401 }
402 } 375 }
403 } 376 }
404 } 377 }
405 } 378 }
406 379
407 public void Flush() 380 public void Flush(LLUDPClient udpClient)
408 { 381 {
409 // FIXME: Implement? 382 // FIXME: Implement?
410 } 383 }
@@ -415,7 +388,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
415 byte flags = buffer.Data[0]; 388 byte flags = buffer.Data[0];
416 bool isResend = (flags & Helpers.MSG_RESENT) != 0; 389 bool isResend = (flags & Helpers.MSG_RESENT) != 0;
417 bool isReliable = (flags & Helpers.MSG_RELIABLE) != 0; 390 bool isReliable = (flags & Helpers.MSG_RELIABLE) != 0;
418 LLUDPClient client = outgoingPacket.Client; 391 LLUDPClient udpClient = outgoingPacket.Client;
392
393 if (!udpClient.IsConnected)
394 return;
419 395
420 // Keep track of when this packet was sent out (right now) 396 // Keep track of when this packet was sent out (right now)
421 outgoingPacket.TickCount = Environment.TickCount; 397 outgoingPacket.TickCount = Environment.TickCount;
@@ -424,11 +400,11 @@ namespace OpenSim.Region.ClientStack.LindenUDP
424 400
425 int dataLength = buffer.DataLength; 401 int dataLength = buffer.DataLength;
426 402
427 // Keep appending ACKs until there is no room left in the packet or there are 403 // Keep appending ACKs until there is no room left in the buffer or there are
428 // no more ACKs to append 404 // no more ACKs to append
429 uint ackCount = 0; 405 uint ackCount = 0;
430 uint ack; 406 uint ack;
431 while (dataLength + 5 < buffer.Data.Length && client.PendingAcks.Dequeue(out ack)) 407 while (dataLength + 5 < buffer.Data.Length && udpClient.PendingAcks.Dequeue(out ack))
432 { 408 {
433 Utils.UIntToBytesBig(ack, buffer.Data, dataLength); 409 Utils.UIntToBytesBig(ack, buffer.Data, dataLength);
434 dataLength += 4; 410 dataLength += 4;
@@ -447,24 +423,28 @@ namespace OpenSim.Region.ClientStack.LindenUDP
447 423
448 #endregion ACK Appending 424 #endregion ACK Appending
449 425
426 #region Sequence Number Assignment
427
450 if (!isResend) 428 if (!isResend)
451 { 429 {
452 // Not a resend, assign a new sequence number 430 // Not a resend, assign a new sequence number
453 uint sequenceNumber = (uint)Interlocked.Increment(ref client.CurrentSequence); 431 uint sequenceNumber = (uint)Interlocked.Increment(ref udpClient.CurrentSequence);
454 Utils.UIntToBytesBig(sequenceNumber, buffer.Data, 1); 432 Utils.UIntToBytesBig(sequenceNumber, buffer.Data, 1);
455 outgoingPacket.SequenceNumber = sequenceNumber; 433 outgoingPacket.SequenceNumber = sequenceNumber;
456 434
457 if (isReliable) 435 if (isReliable)
458 { 436 {
459 // Add this packet to the list of ACK responses we are waiting on from the server 437 // Add this packet to the list of ACK responses we are waiting on from the server
460 client.NeedAcks.Add(outgoingPacket); 438 udpClient.NeedAcks.Add(outgoingPacket);
461 } 439 }
462 } 440 }
463 441
442 #endregion Sequence Number Assignment
443
464 // Stats tracking 444 // Stats tracking
465 Interlocked.Increment(ref client.PacketsSent); 445 Interlocked.Increment(ref udpClient.PacketsSent);
466 if (isReliable) 446 if (isReliable)
467 Interlocked.Add(ref client.UnackedBytes, outgoingPacket.Buffer.DataLength); 447 Interlocked.Add(ref udpClient.UnackedBytes, outgoingPacket.Buffer.DataLength);
468 448
469 // Put the UDP payload on the wire 449 // Put the UDP payload on the wire
470 AsyncBeginSend(buffer); 450 AsyncBeginSend(buffer);
@@ -473,10 +453,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
473 protected override void PacketReceived(UDPPacketBuffer buffer) 453 protected override void PacketReceived(UDPPacketBuffer buffer)
474 { 454 {
475 // Debugging/Profiling 455 // Debugging/Profiling
476 //try { Thread.CurrentThread.Name = "PacketReceived (" + scene.RegionName + ")"; } 456 //try { Thread.CurrentThread.Name = "PacketReceived (" + m_scene.RegionInfo.RegionName + ")"; }
477 //catch (Exception) { } 457 //catch (Exception) { }
478 458
479 LLUDPClient client = null; 459 LLUDPClient udpClient = null;
480 Packet packet = null; 460 Packet packet = null;
481 int packetEnd = buffer.DataLength - 1; 461 int packetEnd = buffer.DataLength - 1;
482 IPEndPoint address = (IPEndPoint)buffer.RemoteEndPoint; 462 IPEndPoint address = (IPEndPoint)buffer.RemoteEndPoint;
@@ -491,61 +471,59 @@ namespace OpenSim.Region.ClientStack.LindenUDP
491 } 471 }
492 catch (MalformedDataException) 472 catch (MalformedDataException)
493 { 473 {
494 m_log.ErrorFormat("[LLUDPSERVER]: Malformed data, cannot parse packet:\n{0}", 474 m_log.ErrorFormat("[LLUDPSERVER]: Malformed data, cannot parse packet from {0}:\n{1}",
495 Utils.BytesToHexString(buffer.Data, buffer.DataLength, null)); 475 buffer.RemoteEndPoint, Utils.BytesToHexString(buffer.Data, buffer.DataLength, null));
496 } 476 }
497 477
498 // Fail-safe check 478 // Fail-safe check
499 if (packet == null) 479 if (packet == null)
500 { 480 {
501 m_log.Warn("[LLUDPSERVER]: Couldn't build a message from the incoming data"); 481 m_log.Warn("[LLUDPSERVER]: Couldn't build a message from incoming data " + buffer.DataLength +
482 " bytes long from " + buffer.RemoteEndPoint);
502 return; 483 return;
503 } 484 }
504 485
505 //Stats.RecvBytes += (ulong)buffer.DataLength;
506 //++Stats.RecvPackets;
507
508 #endregion Decoding 486 #endregion Decoding
509 487
510 #region UseCircuitCode Handling 488 #region Packet to Client Mapping
511 489
490 // UseCircuitCode handling
512 if (packet.Type == PacketType.UseCircuitCode) 491 if (packet.Type == PacketType.UseCircuitCode)
513 { 492 {
514 UseCircuitCodePacket useCircuitCode = (UseCircuitCodePacket)packet; 493 AddNewClient((UseCircuitCodePacket)packet, (IPEndPoint)buffer.RemoteEndPoint);
515 IClientAPI newuser;
516 uint circuitCode = useCircuitCode.CircuitCode.Code;
517
518 // Check if the client is already established
519 if (!m_scene.ClientManager.TryGetClient(circuitCode, out newuser))
520 {
521 AddNewClient(useCircuitCode, (IPEndPoint)buffer.RemoteEndPoint);
522 }
523 } 494 }
524 495
525 // Determine which agent this packet came from 496 // Determine which agent this packet came from
526 if (!clients.TryGetValue(address, out client)) 497 IClientAPI client;
498 if (!m_scene.ClientManager.TryGetValue(address, out client) || !(client is LLClientView))
527 { 499 {
528 m_log.Warn("[LLUDPSERVER]: Received a " + packet.Type + " packet from an unrecognized source: " + address + " in " + m_scene.RegionInfo.RegionName); 500 m_log.Warn("[LLUDPSERVER]: Received a " + packet.Type + " packet from an unrecognized source: " + address +
501 " in " + m_scene.RegionInfo.RegionName + ", currently tracking " + m_scene.ClientManager.Count + " clients");
529 return; 502 return;
530 } 503 }
531 504
532 #endregion UseCircuitCode Handling 505 udpClient = ((LLClientView)client).UDPClient;
506
507 if (!udpClient.IsConnected)
508 return;
509
510 #endregion Packet to Client Mapping
533 511
534 // Stats tracking 512 // Stats tracking
535 Interlocked.Increment(ref client.PacketsReceived); 513 Interlocked.Increment(ref udpClient.PacketsReceived);
536 514
537 #region ACK Receiving 515 #region ACK Receiving
538 516
539 int now = Environment.TickCount; 517 int now = Environment.TickCount;
540 client.TickLastPacketReceived = now; 518 udpClient.TickLastPacketReceived = now;
541 519
542 // Handle appended ACKs 520 // Handle appended ACKs
543 if (packet.Header.AppendedAcks && packet.Header.AckList != null) 521 if (packet.Header.AppendedAcks && packet.Header.AckList != null)
544 { 522 {
545 lock (client.NeedAcks.SyncRoot) 523 lock (udpClient.NeedAcks.SyncRoot)
546 { 524 {
547 for (int i = 0; i < packet.Header.AckList.Length; i++) 525 for (int i = 0; i < packet.Header.AckList.Length; i++)
548 AcknowledgePacket(client, packet.Header.AckList[i], now, packet.Header.Resent); 526 AcknowledgePacket(udpClient, packet.Header.AckList[i], now, packet.Header.Resent);
549 } 527 }
550 } 528 }
551 529
@@ -554,10 +532,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
554 { 532 {
555 PacketAckPacket ackPacket = (PacketAckPacket)packet; 533 PacketAckPacket ackPacket = (PacketAckPacket)packet;
556 534
557 lock (client.NeedAcks.SyncRoot) 535 lock (udpClient.NeedAcks.SyncRoot)
558 { 536 {
559 for (int i = 0; i < ackPacket.Packets.Length; i++) 537 for (int i = 0; i < ackPacket.Packets.Length; i++)
560 AcknowledgePacket(client, ackPacket.Packets[i].ID, now, packet.Header.Resent); 538 AcknowledgePacket(udpClient, ackPacket.Packets[i].ID, now, packet.Header.Resent);
561 } 539 }
562 } 540 }
563 541
@@ -566,27 +544,27 @@ namespace OpenSim.Region.ClientStack.LindenUDP
566 #region ACK Sending 544 #region ACK Sending
567 545
568 if (packet.Header.Reliable) 546 if (packet.Header.Reliable)
569 client.PendingAcks.Enqueue((uint)packet.Header.Sequence); 547 udpClient.PendingAcks.Enqueue(packet.Header.Sequence);
570 548
571 // This is a somewhat odd sequence of steps to pull the client.BytesSinceLastACK value out, 549 // This is a somewhat odd sequence of steps to pull the client.BytesSinceLastACK value out,
572 // add the current received bytes to it, test if 2*MTU bytes have been sent, if so remove 550 // add the current received bytes to it, test if 2*MTU bytes have been sent, if so remove
573 // 2*MTU bytes from the value and send ACKs, and finally add the local value back to 551 // 2*MTU bytes from the value and send ACKs, and finally add the local value back to
574 // client.BytesSinceLastACK. Lockless thread safety 552 // client.BytesSinceLastACK. Lockless thread safety
575 int bytesSinceLastACK = Interlocked.Exchange(ref client.BytesSinceLastACK, 0); 553 int bytesSinceLastACK = Interlocked.Exchange(ref udpClient.BytesSinceLastACK, 0);
576 bytesSinceLastACK += buffer.DataLength; 554 bytesSinceLastACK += buffer.DataLength;
577 if (bytesSinceLastACK > Packet.MTU * 2) 555 if (bytesSinceLastACK > Packet.MTU * 2)
578 { 556 {
579 bytesSinceLastACK -= Packet.MTU * 2; 557 bytesSinceLastACK -= Packet.MTU * 2;
580 SendAcks(client); 558 SendAcks(udpClient);
581 } 559 }
582 Interlocked.Add(ref client.BytesSinceLastACK, bytesSinceLastACK); 560 Interlocked.Add(ref udpClient.BytesSinceLastACK, bytesSinceLastACK);
583 561
584 #endregion ACK Sending 562 #endregion ACK Sending
585 563
586 #region Incoming Packet Accounting 564 #region Incoming Packet Accounting
587 565
588 // Check the archive of received reliable packet IDs to see whether we already received this packet 566 // Check the archive of received reliable packet IDs to see whether we already received this packet
589 if (packet.Header.Reliable && !client.PacketArchive.TryEnqueue(packet.Header.Sequence)) 567 if (packet.Header.Reliable && !udpClient.PacketArchive.TryEnqueue(packet.Header.Sequence))
590 { 568 {
591 if (packet.Header.Resent) 569 if (packet.Header.Resent)
592 m_log.Debug("[LLUDPSERVER]: Received a resend of already processed packet #" + packet.Header.Sequence + ", type: " + packet.Type); 570 m_log.Debug("[LLUDPSERVER]: Received a resend of already processed packet #" + packet.Header.Sequence + ", type: " + packet.Type);
@@ -603,7 +581,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
603 if (packet.Type != PacketType.PacketAck) 581 if (packet.Type != PacketType.PacketAck)
604 { 582 {
605 // Inbox insertion 583 // Inbox insertion
606 packetInbox.Enqueue(new IncomingPacket(client, packet)); 584 packetInbox.Enqueue(new IncomingPacket(udpClient, packet));
607 } 585 }
608 } 586 }
609 587
@@ -623,53 +601,59 @@ namespace OpenSim.Region.ClientStack.LindenUDP
623 601
624 private void AddNewClient(UseCircuitCodePacket useCircuitCode, IPEndPoint remoteEndPoint) 602 private void AddNewClient(UseCircuitCodePacket useCircuitCode, IPEndPoint remoteEndPoint)
625 { 603 {
626 //Slave regions don't accept new clients 604 UUID agentID = useCircuitCode.CircuitCode.ID;
605 UUID sessionID = useCircuitCode.CircuitCode.SessionID;
606 uint circuitCode = useCircuitCode.CircuitCode.Code;
607
627 if (m_scene.RegionStatus != RegionStatus.SlaveScene) 608 if (m_scene.RegionStatus != RegionStatus.SlaveScene)
628 { 609 {
629 AuthenticateResponse sessionInfo; 610 AuthenticateResponse sessionInfo;
630 bool isNewCircuit = !clients.ContainsKey(remoteEndPoint); 611 if (IsClientAuthorized(useCircuitCode, out sessionInfo))
631
632 if (!IsClientAuthorized(useCircuitCode, out sessionInfo))
633 { 612 {
634 m_log.WarnFormat( 613 AddClient(circuitCode, agentID, sessionID, remoteEndPoint, sessionInfo);
635 "[CONNECTION FAILURE]: Connection request for client {0} connecting with unnotified circuit code {1} from {2}",
636 useCircuitCode.CircuitCode.ID, useCircuitCode.CircuitCode.Code, remoteEndPoint);
637 return;
638 } 614 }
639 615 else
640 if (isNewCircuit)
641 { 616 {
642 UUID agentID = useCircuitCode.CircuitCode.ID; 617 // Don't create circuits for unauthorized clients
643 UUID sessionID = useCircuitCode.CircuitCode.SessionID; 618 m_log.WarnFormat(
644 uint circuitCode = useCircuitCode.CircuitCode.Code; 619 "[LLUDPSERVER]: Connection request for client {0} connecting with unnotified circuit code {1} from {2}",
645 620 useCircuitCode.CircuitCode.ID, useCircuitCode.CircuitCode.Code, remoteEndPoint);
646 AddClient(circuitCode, agentID, sessionID, remoteEndPoint, sessionInfo);
647 } 621 }
648 } 622 }
623 else
624 {
625 // Slave regions don't accept new clients
626 m_log.Debug("[LLUDPSERVER]: Slave region " + m_scene.RegionInfo.RegionName + " ignoring UseCircuitCode packet");
627 }
649 } 628 }
650 629
651 private void AddClient(uint circuitCode, UUID agentID, UUID sessionID, IPEndPoint remoteEndPoint, AuthenticateResponse sessionInfo) 630 private void AddClient(uint circuitCode, UUID agentID, UUID sessionID, IPEndPoint remoteEndPoint, AuthenticateResponse sessionInfo)
652 { 631 {
653 // Create the LLUDPClient 632 // Create the LLUDPClient
654 LLUDPClient client = new LLUDPClient(this, m_throttleRates, m_throttle, circuitCode, agentID, remoteEndPoint); 633 LLUDPClient udpClient = new LLUDPClient(this, m_throttleRates, m_throttle, circuitCode, agentID, remoteEndPoint);
655 634
656 // Create the LLClientView 635 if (!m_scene.ClientManager.ContainsKey(agentID))
657 LLClientView clientApi = new LLClientView(remoteEndPoint, m_scene, this, client, sessionInfo, agentID, sessionID, circuitCode); 636 {
658 clientApi.OnViewerEffect += m_scene.ClientManager.ViewerEffectHandler; 637 // Create the LLClientView
659 clientApi.OnLogout += LogoutHandler; 638 LLClientView client = new LLClientView(remoteEndPoint, m_scene, this, udpClient, sessionInfo, agentID, sessionID, circuitCode);
660 clientApi.OnConnectionClosed += RemoveClient; 639 client.OnLogout += LogoutHandler;
661
662 // Start the IClientAPI
663 m_scene.ClientManager.Add(circuitCode, clientApi);
664 clientApi.Start();
665
666 // Give LLUDPClient a reference to IClientAPI
667 client.ClientAPI = clientApi;
668 640
669 // Add the new client to our list of tracked clients 641 // Start the IClientAPI
670 clients.Add(agentID, client.RemoteEndPoint, client); 642 client.Start();
643 }
644 else
645 {
646 m_log.WarnFormat("[LLUDPSERVER]: Ignoring a repeated UseCircuitCode from {0} at {1} for circuit {2}",
647 udpClient.AgentID, remoteEndPoint, circuitCode);
648 }
649 }
671 650
672 m_log.DebugFormat("[LLUDPSERVER]: Added new client {0} to region {1}", agentID, m_scene.RegionInfo.RegionName); 651 private void RemoveClient(LLUDPClient udpClient)
652 {
653 // Remove this client from the scene
654 IClientAPI client;
655 if (m_scene.ClientManager.TryGetValue(udpClient.AgentID, out client))
656 client.Close();
673 } 657 }
674 658
675 private void AcknowledgePacket(LLUDPClient client, uint ack, int currentTime, bool fromResend) 659 private void AcknowledgePacket(LLUDPClient client, uint ack, int currentTime, bool fromResend)
@@ -747,20 +731,28 @@ namespace OpenSim.Region.ClientStack.LindenUDP
747 elapsed500MS = 0; 731 elapsed500MS = 0;
748 } 732 }
749 733
750 clients.ForEach( 734 m_scene.ClientManager.ForEach(
751 delegate(LLUDPClient client) 735 delegate(IClientAPI client)
752 { 736 {
753 if (client.DequeueOutgoing()) 737 if (client is LLClientView)
754 packetSent = true;
755 if (resendUnacked)
756 ResendUnacked(client);
757 if (sendAcks)
758 { 738 {
759 SendAcks(client); 739 LLUDPClient udpClient = ((LLClientView)client).UDPClient;
760 client.SendPacketStats(); 740
741 if (udpClient.IsConnected)
742 {
743 if (udpClient.DequeueOutgoing())
744 packetSent = true;
745 if (resendUnacked)
746 ResendUnacked(udpClient);
747 if (sendAcks)
748 {
749 SendAcks(udpClient);
750 udpClient.SendPacketStats();
751 }
752 if (sendPings)
753 SendPing(udpClient);
754 }
761 } 755 }
762 if (sendPings)
763 SendPing(client);
764 } 756 }
765 ); 757 );
766 758
@@ -773,38 +765,46 @@ namespace OpenSim.Region.ClientStack.LindenUDP
773 { 765 {
774 IncomingPacket incomingPacket = (IncomingPacket)state; 766 IncomingPacket incomingPacket = (IncomingPacket)state;
775 Packet packet = incomingPacket.Packet; 767 Packet packet = incomingPacket.Packet;
776 LLUDPClient client = incomingPacket.Client; 768 LLUDPClient udpClient = incomingPacket.Client;
769 IClientAPI client;
777 770
778 // Sanity check 771 // Sanity check
779 if (packet == null || client == null || client.ClientAPI == null) 772 if (packet == null || udpClient == null)
780 { 773 {
781 m_log.WarnFormat("[LLUDPSERVER]: Processing a packet with incomplete state. Packet=\"{0}\", Client=\"{1}\", Client.ClientAPI=\"{2}\"", 774 m_log.WarnFormat("[LLUDPSERVER]: Processing a packet with incomplete state. Packet=\"{0}\", UDPClient=\"{1}\"",
782 packet, client, (client != null) ? client.ClientAPI : null); 775 packet, udpClient);
783 } 776 }
784 777
785 try 778 // Make sure this client is still alive
786 { 779 if (m_scene.ClientManager.TryGetValue(udpClient.AgentID, out client))
787 // Process this packet
788 client.ClientAPI.ProcessInPacket(packet);
789 }
790 catch (ThreadAbortException)
791 { 780 {
792 // If something is trying to abort the packet processing thread, take that as a hint that it's time to shut down 781 try
793 m_log.Info("[LLUDPSERVER]: Caught a thread abort, shutting down the LLUDP server"); 782 {
794 Stop(); 783 // Process this packet
784 client.ProcessInPacket(packet);
785 }
786 catch (ThreadAbortException)
787 {
788 // If something is trying to abort the packet processing thread, take that as a hint that it's time to shut down
789 m_log.Info("[LLUDPSERVER]: Caught a thread abort, shutting down the LLUDP server");
790 Stop();
791 }
792 catch (Exception e)
793 {
794 // Don't let a failure in an individual client thread crash the whole sim.
795 m_log.ErrorFormat("[LLUDPSERVER]: Client packet handler for {0} for packet {1} threw an exception", udpClient.AgentID, packet.Type);
796 m_log.Error(e.Message, e);
797 }
795 } 798 }
796 catch (Exception e) 799 else
797 { 800 {
798 // Don't let a failure in an individual client thread crash the whole sim. 801 m_log.DebugFormat("[LLUDPSERVER]: Dropping incoming {0} packet for dead client {1}", packet.Type, udpClient.AgentID);
799 m_log.ErrorFormat("[LLUDPSERVER]: Client packet handler for {0} for packet {1} threw an exception", client.AgentID, packet.Type);
800 m_log.Error(e.Message, e);
801 } 802 }
802 } 803 }
803 804
804 private void LogoutHandler(IClientAPI client) 805 private void LogoutHandler(IClientAPI client)
805 { 806 {
806 client.SendLogoutPacket(); 807 client.SendLogoutPacket();
807 RemoveClient(client);
808 } 808 }
809 } 809 }
810} 810}
diff --git a/OpenSim/Region/ClientStack/LindenUDP/OpenSimUDPBase.cs b/OpenSim/Region/ClientStack/LindenUDP/OpenSimUDPBase.cs
index 43a68ec..fad2ea8 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/OpenSimUDPBase.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/OpenSimUDPBase.cs
@@ -1,402 +1,100 @@
1//--------- Modified Version ------------------- 1/*
2///* 2 * Copyright (c) 2006, Clutch, Inc.
3// * Copyright (c) 2006, Clutch, Inc. 3 * Original Author: Jeff Cesnik
4// * Original Author: Jeff Cesnik 4 * All rights reserved.
5// * All rights reserved. 5 *
6// * 6 * - Redistribution and use in source and binary forms, with or without
7// * - Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met:
8// * modification, are permitted provided that the following conditions are met: 8 *
9// * 9 * - Redistributions of source code must retain the above copyright notice, this
10// * - Redistributions of source code must retain the above copyright notice, this 10 * list of conditions and the following disclaimer.
11// * list of conditions and the following disclaimer. 11 * - Neither the name of the openmetaverse.org nor the names
12// * - Neither the name of the openmetaverse.org nor the names 12 * of its contributors may be used to endorse or promote products derived from
13// * of its contributors may be used to endorse or promote products derived from 13 * this software without specific prior written permission.
14// * this software without specific prior written permission. 14 *
15// * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16// * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17// * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18// * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19// * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20// * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21// * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22// * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23// * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24// * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25// * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE.
26// * POSSIBILITY OF SUCH DAMAGE. 26 */
27// */
28 27
29using System; 28using System;
30using System.Net; 29using System.Net;
31using System.Net.Sockets; 30using System.Net.Sockets;
32using System.Threading; 31using System.Threading;
33using OpenMetaverse; 32using log4net;
34 33
35//namespace OpenSim.Region.ClientStack.LindenUDP 34namespace OpenMetaverse
36//{
37// /// <summary>
38// ///
39// /// </summary>
40// public abstract class OpenSimUDPBase
41// {
42// // these abstract methods must be implemented in a derived class to actually do
43// // something with the packets that are sent and received.
44// protected abstract void PacketReceived(UDPPacketBuffer buffer);
45// protected abstract void PacketSent(UDPPacketBuffer buffer, int bytesSent);
46
47// // the port to listen on
48// internal int udpPort;
49
50// // the UDP socket
51// private Socket udpSocket;
52
53// // the ReaderWriterLock is used solely for the purposes of shutdown (Stop()).
54// // since there are potentially many "reader" threads in the internal .NET IOCP
55// // thread pool, this is a cheaper synchronization primitive than using
56// // a Mutex object. This allows many UDP socket "reads" concurrently - when
57// // Stop() is called, it attempts to obtain a writer lock which will then
58// // wait until all outstanding operations are completed before shutting down.
59// // this avoids the problem of closing the socket with outstanding operations
60// // and trying to catch the inevitable ObjectDisposedException.
61// private ReaderWriterLock rwLock = new ReaderWriterLock();
62
63// // number of outstanding operations. This is a reference count
64// // which we use to ensure that the threads exit cleanly. Note that
65// // we need this because the threads will potentially still need to process
66// // data even after the socket is closed.
67// private int rwOperationCount = 0;
68
69// // the all important shutdownFlag. This is synchronized through the ReaderWriterLock.
70// private volatile bool shutdownFlag = true;
71
72// // the remote endpoint to communicate with
73// protected IPEndPoint remoteEndPoint = null;
74
75
76// /// <summary>
77// /// Initialize the UDP packet handler in server mode
78// /// </summary>
79// /// <param name="port">Port to listening for incoming UDP packets on</param>
80// public OpenSimUDPBase(int port)
81// {
82// udpPort = port;
83// }
84
85// /// <summary>
86// /// Initialize the UDP packet handler in client mode
87// /// </summary>
88// /// <param name="endPoint">Remote UDP server to connect to</param>
89// public OpenSimUDPBase(IPEndPoint endPoint)
90// {
91// remoteEndPoint = endPoint;
92// udpPort = 0;
93// }
94
95// /// <summary>
96// ///
97// /// </summary>
98// public void Start()
99// {
100// if (shutdownFlag)
101// {
102// if (remoteEndPoint == null)
103// {
104// // Server mode
105
106// // create and bind the socket
107// IPEndPoint ipep = new IPEndPoint(Settings.BIND_ADDR, udpPort);
108// udpSocket = new Socket(
109// AddressFamily.InterNetwork,
110// SocketType.Dgram,
111// ProtocolType.Udp);
112// udpSocket.Bind(ipep);
113// }
114// else
115// {
116// // Client mode
117// IPEndPoint ipep = new IPEndPoint(Settings.BIND_ADDR, udpPort);
118// udpSocket = new Socket(
119// AddressFamily.InterNetwork,
120// SocketType.Dgram,
121// ProtocolType.Udp);
122// udpSocket.Bind(ipep);
123// //udpSocket.Connect(remoteEndPoint);
124// }
125
126// // we're not shutting down, we're starting up
127// shutdownFlag = false;
128
129// // kick off an async receive. The Start() method will return, the
130// // actual receives will occur asynchronously and will be caught in
131// // AsyncEndRecieve().
132// AsyncBeginReceive();
133// }
134// }
135
136// /// <summary>
137// ///
138// /// </summary>
139// public void Stop()
140// {
141// if (!shutdownFlag)
142// {
143// // wait indefinitely for a writer lock. Once this is called, the .NET runtime
144// // will deny any more reader locks, in effect blocking all other send/receive
145// // threads. Once we have the lock, we set shutdownFlag to inform the other
146// // threads that the socket is closed.
147// rwLock.AcquireWriterLock(-1);
148// shutdownFlag = true;
149// udpSocket.Close();
150// rwLock.ReleaseWriterLock();
151
152// // wait for any pending operations to complete on other
153// // threads before exiting.
154// const int FORCE_STOP = 100;
155// int i = 0;
156// while (rwOperationCount > 0 && i < FORCE_STOP)
157// {
158// Thread.Sleep(10);
159// ++i;
160// }
161
162// if (i >= FORCE_STOP)
163// {
164// Logger.Log("UDPBase.Stop() forced shutdown while waiting on pending operations",
165// Helpers.LogLevel.Warning);
166// }
167// }
168// }
169
170// /// <summary>
171// ///
172// /// </summary>
173// public bool IsRunning
174// {
175// get { return !shutdownFlag; }
176// }
177
178// private void AsyncBeginReceive()
179// {
180// // this method actually kicks off the async read on the socket.
181// // we aquire a reader lock here to ensure that no other thread
182// // is trying to set shutdownFlag and close the socket.
183// rwLock.AcquireReaderLock(-1);
184
185// if (!shutdownFlag)
186// {
187// // increment the count of pending operations
188// Interlocked.Increment(ref rwOperationCount);
189
190// // allocate a packet buffer
191// //WrappedObject<UDPPacketBuffer> wrappedBuffer = Pool.CheckOut();
192// UDPPacketBuffer buf = new UDPPacketBuffer();
193
194// try
195// {
196// // kick off an async read
197// udpSocket.BeginReceiveFrom(
198// //wrappedBuffer.Instance.Data,
199// buf.Data,
200// 0,
201// UDPPacketBuffer.BUFFER_SIZE,
202// SocketFlags.None,
203// //ref wrappedBuffer.Instance.RemoteEndPoint,
204// ref buf.RemoteEndPoint,
205// new AsyncCallback(AsyncEndReceive),
206// //wrappedBuffer);
207// buf);
208// }
209// catch (SocketException)
210// {
211// // something bad happened
212// //Logger.Log(
213// // "A SocketException occurred in UDPServer.AsyncBeginReceive()",
214// // Helpers.LogLevel.Error, se);
215
216// // an error occurred, therefore the operation is void. Decrement the reference count.
217// Interlocked.Decrement(ref rwOperationCount);
218// }
219// }
220
221// // we're done with the socket for now, release the reader lock.
222// rwLock.ReleaseReaderLock();
223// }
224
225// private void AsyncEndReceive(IAsyncResult iar)
226// {
227// // Asynchronous receive operations will complete here through the call
228// // to AsyncBeginReceive
229
230// // aquire a reader lock
231// rwLock.AcquireReaderLock(-1);
232
233// if (!shutdownFlag)
234// {
235// // get the buffer that was created in AsyncBeginReceive
236// // this is the received data
237// //WrappedObject<UDPPacketBuffer> wrappedBuffer = (WrappedObject<UDPPacketBuffer>)iar.AsyncState;
238// //UDPPacketBuffer buffer = wrappedBuffer.Instance;
239// UDPPacketBuffer buffer = (UDPPacketBuffer)iar.AsyncState;
240
241// try
242// {
243// // get the length of data actually read from the socket, store it with the
244// // buffer
245// buffer.DataLength = udpSocket.EndReceiveFrom(iar, ref buffer.RemoteEndPoint);
246
247// // this operation is now complete, decrement the reference count
248// Interlocked.Decrement(ref rwOperationCount);
249
250// // we're done with the socket, release the reader lock
251// rwLock.ReleaseReaderLock();
252
253// // call the abstract method PacketReceived(), passing the buffer that
254// // has just been filled from the socket read.
255// PacketReceived(buffer);
256// }
257// catch (SocketException)
258// {
259// // an error occurred, therefore the operation is void. Decrement the reference count.
260// Interlocked.Decrement(ref rwOperationCount);
261
262// // we're done with the socket for now, release the reader lock.
263// rwLock.ReleaseReaderLock();
264// }
265// finally
266// {
267// // start another receive - this keeps the server going!
268// AsyncBeginReceive();
269
270// //wrappedBuffer.Dispose();
271// }
272// }
273// else
274// {
275// // nothing bad happened, but we are done with the operation
276// // decrement the reference count and release the reader lock
277// Interlocked.Decrement(ref rwOperationCount);
278// rwLock.ReleaseReaderLock();
279// }
280// }
281
282// public void AsyncBeginSend(UDPPacketBuffer buf)
283// {
284// rwLock.AcquireReaderLock(-1);
285
286// if (!shutdownFlag)
287// {
288// try
289// {
290// Interlocked.Increment(ref rwOperationCount);
291// udpSocket.BeginSendTo(
292// buf.Data,
293// 0,
294// buf.DataLength,
295// SocketFlags.None,
296// buf.RemoteEndPoint,
297// new AsyncCallback(AsyncEndSend),
298// buf);
299// }
300// catch (SocketException)
301// {
302// //Logger.Log(
303// // "A SocketException occurred in UDPServer.AsyncBeginSend()",
304// // Helpers.LogLevel.Error, se);
305// }
306// }
307
308// rwLock.ReleaseReaderLock();
309// }
310
311// private void AsyncEndSend(IAsyncResult iar)
312// {
313// rwLock.AcquireReaderLock(-1);
314
315// if (!shutdownFlag)
316// {
317// UDPPacketBuffer buffer = (UDPPacketBuffer)iar.AsyncState;
318
319// try
320// {
321// int bytesSent = udpSocket.EndSendTo(iar);
322
323// // note that call to the abstract PacketSent() method - we are passing the number
324// // of bytes sent in a separate parameter, since we can't use buffer.DataLength which
325// // is the number of bytes to send (or bytes received depending upon whether this
326// // buffer was part of a send or a receive).
327// PacketSent(buffer, bytesSent);
328// }
329// catch (SocketException)
330// {
331// //Logger.Log(
332// // "A SocketException occurred in UDPServer.AsyncEndSend()",
333// // Helpers.LogLevel.Error, se);
334// }
335// }
336
337// Interlocked.Decrement(ref rwOperationCount);
338// rwLock.ReleaseReaderLock();
339// }
340// }
341//}
342
343//--------- Original Version -------------------
344
345
346namespace OpenSim.Region.ClientStack.LindenUDP
347{ 35{
348 /// <summary> 36 /// <summary>
349 /// 37 /// Base UDP server
350 /// </summary> 38 /// </summary>
351 public abstract class OpenSimUDPBase 39 public abstract class OpenSimUDPBase
352 { 40 {
353 // these abstract methods must be implemented in a derived class to actually do 41 private static readonly ILog m_log = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
354 // something with the packets that are sent and received. 42
43 /// <summary>
44 /// This method is called when an incoming packet is received
45 /// </summary>
46 /// <param name="buffer">Incoming packet buffer</param>
355 protected abstract void PacketReceived(UDPPacketBuffer buffer); 47 protected abstract void PacketReceived(UDPPacketBuffer buffer);
48
49 /// <summary>
50 /// This method is called when an outgoing packet is sent
51 /// </summary>
52 /// <param name="buffer">Outgoing packet buffer</param>
53 /// <param name="bytesSent">Number of bytes written to the wire</param>
356 protected abstract void PacketSent(UDPPacketBuffer buffer, int bytesSent); 54 protected abstract void PacketSent(UDPPacketBuffer buffer, int bytesSent);
357 55
358 // the port to listen on 56 /// <summary>UDP port to bind to in server mode</summary>
359 internal int udpPort; 57 protected int m_udpPort;
360 58
361 // the UDP socket 59 /// <summary>Local IP address to bind to in server mode</summary>
362 private Socket udpSocket; 60 protected IPAddress m_localBindAddress;
363 61
364 // the all important shutdownFlag. 62 /// <summary>UDP socket, used in either client or server mode</summary>
365 private volatile bool shutdownFlag = true; 63 private Socket m_udpSocket;
366 64
367 // the remote endpoint to communicate with 65 /// <summary>The all important shutdown flag</summary>
368 protected IPEndPoint remoteEndPoint = null; 66 private volatile bool m_shutdownFlag = true;
369 67
370 /// <summary> 68 /// <summary>Returns true if the server is currently listening, otherwise false</summary>
371 /// Initialize the UDP packet handler in server mode 69 public bool IsRunning { get { return !m_shutdownFlag; } }
372 /// </summary>
373 /// <param name="port">Port to listening for incoming UDP packets on</param>
374 public OpenSimUDPBase(int port)
375 {
376 udpPort = port;
377 }
378 70
379 /// <summary> 71 /// <summary>
380 /// Initialize the UDP packet handler in client mode 72 /// Default constructor
381 /// </summary> 73 /// </summary>
382 /// <param name="endPoint">Remote UDP server to connect to</param> 74 /// <param name="bindAddress">Local IP address to bind the server to</param>
383 public OpenSimUDPBase(IPEndPoint endPoint) 75 /// <param name="port">Port to listening for incoming UDP packets on</param>
76 public OpenSimUDPBase(IPAddress bindAddress, int port)
384 { 77 {
385 remoteEndPoint = endPoint; 78 m_localBindAddress = bindAddress;
386 udpPort = 0; 79 m_udpPort = port;
387 } 80 }
388 81
389 /// <summary> 82 /// <summary>
390 /// 83 /// Start the UDP server
391 /// </summary> 84 /// </summary>
85 /// <remarks>This method will attempt to set the SIO_UDP_CONNRESET flag
86 /// on the socket to get newer versions of Windows to behave in a sane
87 /// manner (not throwing an exception when the remote side resets the
88 /// connection). This call is ignored on Mono where the flag is not
89 /// necessary</remarks>
392 public void Start() 90 public void Start()
393 { 91 {
394 if (shutdownFlag) 92 if (m_shutdownFlag)
395 { 93 {
396 const int SIO_UDP_CONNRESET = -1744830452; 94 const int SIO_UDP_CONNRESET = -1744830452;
397 95
398 IPEndPoint ipep = new IPEndPoint(Settings.BIND_ADDR, udpPort); 96 IPEndPoint ipep = new IPEndPoint(m_localBindAddress, m_udpPort);
399 udpSocket = new Socket( 97 m_udpSocket = new Socket(
400 AddressFamily.InterNetwork, 98 AddressFamily.InterNetwork,
401 SocketType.Dgram, 99 SocketType.Dgram,
402 ProtocolType.Udp); 100 ProtocolType.Udp);
@@ -404,16 +102,17 @@ namespace OpenSim.Region.ClientStack.LindenUDP
404 { 102 {
405 // this udp socket flag is not supported under mono, 103 // this udp socket flag is not supported under mono,
406 // so we'll catch the exception and continue 104 // so we'll catch the exception and continue
407 udpSocket.IOControl(SIO_UDP_CONNRESET, new byte[] { 0 }, null); 105 m_udpSocket.IOControl(SIO_UDP_CONNRESET, new byte[] { 0 }, null);
106 m_log.Debug("[UDPBASE]: SIO_UDP_CONNRESET flag set");
408 } 107 }
409 catch (SocketException) 108 catch (SocketException)
410 { 109 {
411 Logger.DebugLog("UDP SIO_UDP_CONNRESET flag not supported on this platform"); 110 m_log.Debug("[UDPBASE]: SIO_UDP_CONNRESET flag not supported on this platform, ignoring");
412 } 111 }
413 udpSocket.Bind(ipep); 112 m_udpSocket.Bind(ipep);
414 113
415 // we're not shutting down, we're starting up 114 // we're not shutting down, we're starting up
416 shutdownFlag = false; 115 m_shutdownFlag = false;
417 116
418 // kick off an async receive. The Start() method will return, the 117 // kick off an async receive. The Start() method will return, the
419 // actual receives will occur asynchronously and will be caught in 118 // actual receives will occur asynchronously and will be caught in
@@ -423,41 +122,33 @@ namespace OpenSim.Region.ClientStack.LindenUDP
423 } 122 }
424 123
425 /// <summary> 124 /// <summary>
426 /// 125 /// Stops the UDP server
427 /// </summary> 126 /// </summary>
428 public void Stop() 127 public void Stop()
429 { 128 {
430 if (!shutdownFlag) 129 if (!m_shutdownFlag)
431 { 130 {
432 // wait indefinitely for a writer lock. Once this is called, the .NET runtime 131 // wait indefinitely for a writer lock. Once this is called, the .NET runtime
433 // will deny any more reader locks, in effect blocking all other send/receive 132 // will deny any more reader locks, in effect blocking all other send/receive
434 // threads. Once we have the lock, we set shutdownFlag to inform the other 133 // threads. Once we have the lock, we set shutdownFlag to inform the other
435 // threads that the socket is closed. 134 // threads that the socket is closed.
436 shutdownFlag = true; 135 m_shutdownFlag = true;
437 udpSocket.Close(); 136 m_udpSocket.Close();
438 } 137 }
439 } 138 }
440 139
441 /// <summary>
442 ///
443 /// </summary>
444 public bool IsRunning
445 {
446 get { return !shutdownFlag; }
447 }
448
449 private void AsyncBeginReceive() 140 private void AsyncBeginReceive()
450 { 141 {
451 // allocate a packet buffer 142 // allocate a packet buffer
452 //WrappedObject<UDPPacketBuffer> wrappedBuffer = Pool.CheckOut(); 143 //WrappedObject<UDPPacketBuffer> wrappedBuffer = Pool.CheckOut();
453 UDPPacketBuffer buf = new UDPPacketBuffer(); 144 UDPPacketBuffer buf = new UDPPacketBuffer();
454 145
455 if (!shutdownFlag) 146 if (!m_shutdownFlag)
456 { 147 {
457 try 148 try
458 { 149 {
459 // kick off an async read 150 // kick off an async read
460 udpSocket.BeginReceiveFrom( 151 m_udpSocket.BeginReceiveFrom(
461 //wrappedBuffer.Instance.Data, 152 //wrappedBuffer.Instance.Data,
462 buf.Data, 153 buf.Data,
463 0, 154 0,
@@ -472,13 +163,13 @@ namespace OpenSim.Region.ClientStack.LindenUDP
472 { 163 {
473 if (e.SocketErrorCode == SocketError.ConnectionReset) 164 if (e.SocketErrorCode == SocketError.ConnectionReset)
474 { 165 {
475 Logger.Log("SIO_UDP_CONNRESET was ignored, attempting to salvage the UDP listener on port " + udpPort, Helpers.LogLevel.Error); 166 m_log.Warn("[UDPBASE]: SIO_UDP_CONNRESET was ignored, attempting to salvage the UDP listener on port " + m_udpPort);
476 bool salvaged = false; 167 bool salvaged = false;
477 while (!salvaged) 168 while (!salvaged)
478 { 169 {
479 try 170 try
480 { 171 {
481 udpSocket.BeginReceiveFrom( 172 m_udpSocket.BeginReceiveFrom(
482 //wrappedBuffer.Instance.Data, 173 //wrappedBuffer.Instance.Data,
483 buf.Data, 174 buf.Data,
484 0, 175 0,
@@ -494,7 +185,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
494 catch (ObjectDisposedException) { return; } 185 catch (ObjectDisposedException) { return; }
495 } 186 }
496 187
497 Logger.Log("Salvaged the UDP listener on port " + udpPort, Helpers.LogLevel.Info); 188 m_log.Warn("[UDPBASE]: Salvaged the UDP listener on port " + m_udpPort);
498 } 189 }
499 } 190 }
500 catch (ObjectDisposedException) { } 191 catch (ObjectDisposedException) { }
@@ -505,7 +196,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
505 { 196 {
506 // Asynchronous receive operations will complete here through the call 197 // Asynchronous receive operations will complete here through the call
507 // to AsyncBeginReceive 198 // to AsyncBeginReceive
508 if (!shutdownFlag) 199 if (!m_shutdownFlag)
509 { 200 {
510 // start another receive - this keeps the server going! 201 // start another receive - this keeps the server going!
511 AsyncBeginReceive(); 202 AsyncBeginReceive();
@@ -520,7 +211,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
520 { 211 {
521 // get the length of data actually read from the socket, store it with the 212 // get the length of data actually read from the socket, store it with the
522 // buffer 213 // buffer
523 buffer.DataLength = udpSocket.EndReceiveFrom(iar, ref buffer.RemoteEndPoint); 214 buffer.DataLength = m_udpSocket.EndReceiveFrom(iar, ref buffer.RemoteEndPoint);
524 215
525 // call the abstract method PacketReceived(), passing the buffer that 216 // call the abstract method PacketReceived(), passing the buffer that
526 // has just been filled from the socket read. 217 // has just been filled from the socket read.
@@ -529,16 +220,17 @@ namespace OpenSim.Region.ClientStack.LindenUDP
529 catch (SocketException) { } 220 catch (SocketException) { }
530 catch (ObjectDisposedException) { } 221 catch (ObjectDisposedException) { }
531 //finally { wrappedBuffer.Dispose(); } 222 //finally { wrappedBuffer.Dispose(); }
223
532 } 224 }
533 } 225 }
534 226
535 public void AsyncBeginSend(UDPPacketBuffer buf) 227 public void AsyncBeginSend(UDPPacketBuffer buf)
536 { 228 {
537 if (!shutdownFlag) 229 if (!m_shutdownFlag)
538 { 230 {
539 try 231 try
540 { 232 {
541 udpSocket.BeginSendTo( 233 m_udpSocket.BeginSendTo(
542 buf.Data, 234 buf.Data,
543 0, 235 0,
544 buf.DataLength, 236 buf.DataLength,
@@ -557,7 +249,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
557 try 249 try
558 { 250 {
559 UDPPacketBuffer buf = (UDPPacketBuffer)result.AsyncState; 251 UDPPacketBuffer buf = (UDPPacketBuffer)result.AsyncState;
560 int bytesSent = udpSocket.EndSendTo(result); 252 int bytesSent = m_udpSocket.EndSendTo(result);
561 253
562 PacketSent(buf, bytesSent); 254 PacketSent(buf, bytesSent);
563 } 255 }
@@ -566,4 +258,3 @@ namespace OpenSim.Region.ClientStack.LindenUDP
566 } 258 }
567 } 259 }
568} 260}
569
diff --git a/OpenSim/Region/ClientStack/LindenUDP/UnackedPacketCollection.cs b/OpenSim/Region/ClientStack/LindenUDP/UnackedPacketCollection.cs
index 195ca57..f3242c1 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/UnackedPacketCollection.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/UnackedPacketCollection.cs
@@ -103,6 +103,15 @@ namespace OpenSim.Region.ClientStack.LindenUDP
103 } 103 }
104 104
105 /// <summary> 105 /// <summary>
106 /// Removes all elements from the collection
107 /// </summary>
108 public void Clear()
109 {
110 lock (SyncRoot)
111 packets.Clear();
112 }
113
114 /// <summary>
106 /// Gets the packet with the lowest sequence number 115 /// Gets the packet with the lowest sequence number
107 /// </summary> 116 /// </summary>
108 /// <returns>The packet with the lowest sequence number, or null if the 117 /// <returns>The packet with the lowest sequence number, or null if the
generated by cgit v1.1 at 2024-11-08 18:53:46 +0000