aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim/Region/ClientStack/Linden/Caps/GetMeshModule.cs
diff options
context:
space:
mode:
Diffstat (limited to 'OpenSim/Region/ClientStack/Linden/Caps/GetMeshModule.cs')
-rw-r--r--OpenSim/Region/ClientStack/Linden/Caps/GetMeshModule.cs448
1 files changed, 436 insertions, 12 deletions
diff --git a/OpenSim/Region/ClientStack/Linden/Caps/GetMeshModule.cs b/OpenSim/Region/ClientStack/Linden/Caps/GetMeshModule.cs
index 8e1f63a..6ec1115 100644
--- a/OpenSim/Region/ClientStack/Linden/Caps/GetMeshModule.cs
+++ b/OpenSim/Region/ClientStack/Linden/Caps/GetMeshModule.cs
@@ -27,11 +27,14 @@
27 27
28using System; 28using System;
29using System.Collections; 29using System.Collections;
30using System.Collections.Generic;
30using System.Collections.Specialized; 31using System.Collections.Specialized;
31using System.Reflection; 32using System.Reflection;
32using System.IO; 33using System.IO;
34using System.Threading;
33using System.Web; 35using System.Web;
34using Mono.Addins; 36using Mono.Addins;
37using OpenSim.Framework.Monitoring;
35using log4net; 38using log4net;
36using Nini.Config; 39using Nini.Config;
37using OpenMetaverse; 40using OpenMetaverse;
@@ -57,9 +60,45 @@ namespace OpenSim.Region.ClientStack.Linden
57 private IAssetService m_AssetService; 60 private IAssetService m_AssetService;
58 private bool m_Enabled = true; 61 private bool m_Enabled = true;
59 private string m_URL; 62 private string m_URL;
63
64 struct aPollRequest
65 {
66 public PollServiceMeshEventArgs thepoll;
67 public UUID reqID;
68 public Hashtable request;
69 }
70
71 public class aPollResponse
72 {
73 public Hashtable response;
74 public int bytes;
75 public int lod;
76 }
77
78
79 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
80
81 private static GetMeshHandler m_getMeshHandler;
82
83 private IAssetService m_assetService = null;
84
85 private Dictionary<UUID, string> m_capsDict = new Dictionary<UUID, string>();
86 private static Thread[] m_workerThreads = null;
87
88 private static OpenMetaverse.BlockingQueue<aPollRequest> m_queue =
89 new OpenMetaverse.BlockingQueue<aPollRequest>();
90
91 private Dictionary<UUID, PollServiceMeshEventArgs> m_pollservices = new Dictionary<UUID, PollServiceMeshEventArgs>();
60 92
61 #region Region Module interfaceBase Members 93 #region Region Module interfaceBase Members
62 94
95 ~GetMeshModule()
96 {
97 foreach (Thread t in m_workerThreads)
98 Watchdog.AbortThread(t.ManagedThreadId);
99
100 }
101
63 public Type ReplaceableInterface 102 public Type ReplaceableInterface
64 { 103 {
65 get { return null; } 104 get { return null; }
@@ -75,6 +114,7 @@ namespace OpenSim.Region.ClientStack.Linden
75 // Cap doesn't exist 114 // Cap doesn't exist
76 if (m_URL != string.Empty) 115 if (m_URL != string.Empty)
77 m_Enabled = true; 116 m_Enabled = true;
117
78 } 118 }
79 119
80 public void AddRegion(Scene pScene) 120 public void AddRegion(Scene pScene)
@@ -83,6 +123,8 @@ namespace OpenSim.Region.ClientStack.Linden
83 return; 123 return;
84 124
85 m_scene = pScene; 125 m_scene = pScene;
126
127 m_assetService = pScene.AssetService;
86 } 128 }
87 129
88 public void RemoveRegion(Scene scene) 130 public void RemoveRegion(Scene scene)
@@ -91,6 +133,9 @@ namespace OpenSim.Region.ClientStack.Linden
91 return; 133 return;
92 134
93 m_scene.EventManager.OnRegisterCaps -= RegisterCaps; 135 m_scene.EventManager.OnRegisterCaps -= RegisterCaps;
136 m_scene.EventManager.OnDeregisterCaps -= DeregisterCaps;
137 m_scene.EventManager.OnThrottleUpdate -= ThrottleUpdate;
138
94 m_scene = null; 139 m_scene = null;
95 } 140 }
96 141
@@ -101,6 +146,27 @@ namespace OpenSim.Region.ClientStack.Linden
101 146
102 m_AssetService = m_scene.RequestModuleInterface<IAssetService>(); 147 m_AssetService = m_scene.RequestModuleInterface<IAssetService>();
103 m_scene.EventManager.OnRegisterCaps += RegisterCaps; 148 m_scene.EventManager.OnRegisterCaps += RegisterCaps;
149 // We'll reuse the same handler for all requests.
150 m_getMeshHandler = new GetMeshHandler(m_assetService);
151 m_scene.EventManager.OnDeregisterCaps += DeregisterCaps;
152 m_scene.EventManager.OnThrottleUpdate += ThrottleUpdate;
153
154 if (m_workerThreads == null)
155 {
156 m_workerThreads = new Thread[2];
157
158 for (uint i = 0; i < 2; i++)
159 {
160 m_workerThreads[i] = Watchdog.StartThread(DoMeshRequests,
161 String.Format("MeshWorkerThread{0}", i),
162 ThreadPriority.Normal,
163 false,
164 false,
165 null,
166 int.MaxValue);
167 }
168 }
169
104 } 170 }
105 171
106 172
@@ -110,25 +176,212 @@ namespace OpenSim.Region.ClientStack.Linden
110 176
111 #endregion 177 #endregion
112 178
179 private void DoMeshRequests()
180 {
181 while (true)
182 {
183 aPollRequest poolreq = m_queue.Dequeue();
184
185 poolreq.thepoll.Process(poolreq);
186 }
187 }
188
189 // Now we know when the throttle is changed by the client in the case of a root agent or by a neighbor region in the case of a child agent.
190 public void ThrottleUpdate(ScenePresence p)
191 {
192 byte[] throttles = p.ControllingClient.GetThrottlesPacked(1);
193 UUID user = p.UUID;
194 int imagethrottle = ExtractTaskThrottle(throttles);
195 PollServiceMeshEventArgs args;
196 if (m_pollservices.TryGetValue(user, out args))
197 {
198 args.UpdateThrottle(imagethrottle, p);
199 }
200 }
201
202 private int ExtractTaskThrottle(byte[] pthrottles)
203 {
204
205 byte[] adjData;
206 int pos = 0;
207
208 if (!BitConverter.IsLittleEndian)
209 {
210 byte[] newData = new byte[7 * 4];
211 Buffer.BlockCopy(pthrottles, 0, newData, 0, 7 * 4);
212
213 for (int i = 0; i < 7; i++)
214 Array.Reverse(newData, i * 4, 4);
215
216 adjData = newData;
217 }
218 else
219 {
220 adjData = pthrottles;
221 }
222
223 // 0.125f converts from bits to bytes
224 //int resend = (int)(BitConverter.ToSingle(adjData, pos) * 0.125f);
225 //pos += 4;
226 // int land = (int)(BitConverter.ToSingle(adjData, pos) * 0.125f);
227 //pos += 4;
228 // int wind = (int)(BitConverter.ToSingle(adjData, pos) * 0.125f);
229 // pos += 4;
230 // int cloud = (int)(BitConverter.ToSingle(adjData, pos) * 0.125f);
231 // pos += 4;
232 pos += 16;
233 int task = (int)(BitConverter.ToSingle(adjData, pos) * 0.125f);
234 // pos += 4;
235 //int texture = (int)(BitConverter.ToSingle(adjData, pos) * 0.125f); //pos += 4;
236 //int asset = (int)(BitConverter.ToSingle(adjData, pos) * 0.125f);
237 return task;
238 }
239
240 private class PollServiceMeshEventArgs : PollServiceEventArgs
241 {
242 private List<Hashtable> requests =
243 new List<Hashtable>();
244 private Dictionary<UUID, aPollResponse> responses =
245 new Dictionary<UUID, aPollResponse>();
246
247 private Scene m_scene;
248 private MeshCapsDataThrottler m_throttler;
249 public PollServiceMeshEventArgs(UUID pId, Scene scene) :
250 base(null, null, null, null, pId, int.MaxValue)
251 {
252 m_scene = scene;
253 m_throttler = new MeshCapsDataThrottler(100000, 1400000, 10000, scene, pId);
254 // x is request id, y is userid
255 HasEvents = (x, y) =>
256 {
257 lock (responses)
258 {
259 bool ret = m_throttler.hasEvents(x, responses);
260 m_throttler.ProcessTime();
261 return ret;
262
263 }
264 };
265 GetEvents = (x, y) =>
266 {
267 lock (responses)
268 {
269 try
270 {
271 return responses[x].response;
272 }
273 finally
274 {
275 m_throttler.ProcessTime();
276 responses.Remove(x);
277 }
278 }
279 };
280 // x is request id, y is request data hashtable
281 Request = (x, y) =>
282 {
283 aPollRequest reqinfo = new aPollRequest();
284 reqinfo.thepoll = this;
285 reqinfo.reqID = x;
286 reqinfo.request = y;
287
288 m_queue.Enqueue(reqinfo);
289 };
290
291 // this should never happen except possible on shutdown
292 NoEvents = (x, y) =>
293 {
294 /*
295 lock (requests)
296 {
297 Hashtable request = requests.Find(id => id["RequestID"].ToString() == x.ToString());
298 requests.Remove(request);
299 }
300 */
301 Hashtable response = new Hashtable();
302
303 response["int_response_code"] = 500;
304 response["str_response_string"] = "Script timeout";
305 response["content_type"] = "text/plain";
306 response["keepalive"] = false;
307 response["reusecontext"] = false;
308
309 return response;
310 };
311 }
312
313 public void Process(aPollRequest requestinfo)
314 {
315 Hashtable response;
316
317 UUID requestID = requestinfo.reqID;
318
319 // If the avatar is gone, don't bother to get the texture
320 if (m_scene.GetScenePresence(Id) == null)
321 {
322 response = new Hashtable();
323
324 response["int_response_code"] = 500;
325 response["str_response_string"] = "Script timeout";
326 response["content_type"] = "text/plain";
327 response["keepalive"] = false;
328 response["reusecontext"] = false;
329
330 lock (responses)
331 responses[requestID] = new aPollResponse() { bytes = 0, response = response, lod = 0 };
332
333 return;
334 }
335
336 response = m_getMeshHandler.Handle(requestinfo.request);
337 lock (responses)
338 {
339 responses[requestID] = new aPollResponse()
340 {
341 bytes = (int)response["int_bytes"],
342 lod = (int)response["int_lod"],
343 response = response
344 };
345
346 }
347 m_throttler.ProcessTime();
348 }
349
350 internal void UpdateThrottle(int pimagethrottle, ScenePresence p)
351 {
352 m_throttler.UpdateThrottle(pimagethrottle, p);
353 }
354 }
113 355
114 public void RegisterCaps(UUID agentID, Caps caps) 356 public void RegisterCaps(UUID agentID, Caps caps)
115 { 357 {
116// UUID capID = UUID.Random(); 358// UUID capID = UUID.Random();
117
118 //caps.RegisterHandler("GetTexture", new StreamHandler("GET", "/CAPS/" + capID, ProcessGetTexture));
119 if (m_URL == "localhost") 359 if (m_URL == "localhost")
120 { 360 {
121// m_log.DebugFormat("[GETMESH]: /CAPS/{0} in region {1}", capID, m_scene.RegionInfo.RegionName); 361 string capUrl = "/CAPS/" + UUID.Random() + "/";
122 GetMeshHandler gmeshHandler = new GetMeshHandler(m_AssetService); 362
123 IRequestHandler reqHandler 363 // Register this as a poll service
124 = new RestHTTPHandler( 364 PollServiceMeshEventArgs args = new PollServiceMeshEventArgs(agentID, m_scene);
125 "GET", 365
126 "/CAPS/" + UUID.Random(), 366 args.Type = PollServiceEventArgs.EventType.Mesh;
127 httpMethod => gmeshHandler.ProcessGetMesh(httpMethod, UUID.Zero, null), 367 MainServer.Instance.AddPollServiceHTTPHandler(capUrl, args);
128 "GetMesh", 368
129 agentID.ToString()); 369 string hostName = m_scene.RegionInfo.ExternalHostName;
370 uint port = (MainServer.Instance == null) ? 0 : MainServer.Instance.Port;
371 string protocol = "http";
130 372
131 caps.RegisterHandler("GetMesh", reqHandler); 373 if (MainServer.Instance.UseSSL)
374 {
375 hostName = MainServer.Instance.SSLCommonName;
376 port = MainServer.Instance.SSLPort;
377 protocol = "https";
378 }
379 caps.RegisterHandler("GetMesh", String.Format("{0}://{1}:{2}{3}", protocol, hostName, port, capUrl));
380 m_pollservices[agentID] = args;
381 m_capsDict[agentID] = capUrl;
382
383
384
132 } 385 }
133 else 386 else
134 { 387 {
@@ -136,6 +389,177 @@ namespace OpenSim.Region.ClientStack.Linden
136 caps.RegisterHandler("GetMesh", m_URL); 389 caps.RegisterHandler("GetMesh", m_URL);
137 } 390 }
138 } 391 }
392 private void DeregisterCaps(UUID agentID, Caps caps)
393 {
394 string capUrl;
395 PollServiceMeshEventArgs args;
396 if (m_capsDict.TryGetValue(agentID, out capUrl))
397 {
398 MainServer.Instance.RemoveHTTPHandler("", capUrl);
399 m_capsDict.Remove(agentID);
400 }
401 if (m_pollservices.TryGetValue(agentID, out args))
402 {
403 m_pollservices.Remove(agentID);
404 }
405 }
406
407 internal sealed class MeshCapsDataThrottler
408 {
409
410 private volatile int currenttime = 0;
411 private volatile int lastTimeElapsed = 0;
412 private volatile int BytesSent = 0;
413 private int Lod3 = 0;
414 private int Lod2 = 0;
415 private int Lod1 = 0;
416 private int UserSetThrottle = 0;
417 private int UDPSetThrottle = 0;
418 private int CapSetThrottle = 0;
419 private float CapThrottleDistributon = 0.30f;
420 private readonly Scene m_scene;
421 private ThrottleOutPacketType Throttle;
422 private readonly UUID User;
423
424 public MeshCapsDataThrottler(int pBytes, int max, int min, Scene pScene, UUID puser)
425 {
426 ThrottleBytes = pBytes;
427 lastTimeElapsed = Util.EnvironmentTickCount();
428 Throttle = ThrottleOutPacketType.Task;
429 m_scene = pScene;
430 User = puser;
431 }
432
433
434 public bool hasEvents(UUID key, Dictionary<UUID, aPollResponse> responses)
435 {
436 const float ThirtyPercent = 0.30f;
437 const float FivePercent = 0.05f;
438 PassTime();
439 // Note, this is called IN LOCK
440 bool haskey = responses.ContainsKey(key);
441
442 if (responses.Count > 2)
443 {
444 SplitThrottle(ThirtyPercent);
445 }
446 else
447 {
448 SplitThrottle(FivePercent);
449 }
450
451 if (!haskey)
452 {
453 return false;
454 }
455 aPollResponse response;
456 if (responses.TryGetValue(key, out response))
457 {
458 float LOD3Over = (((ThrottleBytes*CapThrottleDistributon)%50000) + 1);
459 float LOD2Over = (((ThrottleBytes*CapThrottleDistributon)%10000) + 1);
460 // Normal
461 if (BytesSent + response.bytes <= ThrottleBytes)
462 {
463 BytesSent += response.bytes;
464
465 return true;
466 }
467 // Lod3 Over Throttle protection to keep things processing even when the throttle bandwidth is set too little.
468 else if (response.bytes > ThrottleBytes && Lod3 <= ((LOD3Over < 1)? 1: LOD3Over) )
469 {
470 Interlocked.Increment(ref Lod3);
471 BytesSent += response.bytes;
472
473 return true;
474 }
475 // Lod2 Over Throttle protection to keep things processing even when the throttle bandwidth is set too little.
476 else if (response.bytes > ThrottleBytes && Lod2 <= ((LOD2Over < 1) ? 1 : LOD2Over))
477 {
478 Interlocked.Increment(ref Lod2);
479 BytesSent += response.bytes;
480
481 return true;
482 }
483 else
484 {
485 return false;
486 }
487 }
488
489 return haskey;
490 }
491 public void SubtractBytes(int bytes,int lod)
492 {
493 BytesSent -= bytes;
494 }
495 private void SplitThrottle(float percentMultiplier)
496 {
497
498 if (CapThrottleDistributon != percentMultiplier) // don't switch it if it's already set at the % multipler
499 {
500 CapThrottleDistributon = percentMultiplier;
501 ScenePresence p;
502 if (m_scene.TryGetScenePresence(User, out p)) // If we don't get a user they're not here anymore.
503 {
504// AlterThrottle(UserSetThrottle, p);
505 UpdateThrottle(UserSetThrottle, p);
506 }
507 }
508 }
509
510 public void ProcessTime()
511 {
512 PassTime();
513 }
514
515
516 private void PassTime()
517 {
518 currenttime = Util.EnvironmentTickCount();
519 int timeElapsed = Util.EnvironmentTickCountSubtract(currenttime, lastTimeElapsed);
520 //processTimeBasedActions(responses);
521 if (currenttime - timeElapsed >= 1000)
522 {
523 lastTimeElapsed = Util.EnvironmentTickCount();
524 BytesSent -= ThrottleBytes;
525 if (BytesSent < 0) BytesSent = 0;
526 if (BytesSent < ThrottleBytes)
527 {
528 Lod3 = 0;
529 Lod2 = 0;
530 Lod1 = 0;
531 }
532 }
533 }
534 private void AlterThrottle(int setting, ScenePresence p)
535 {
536 p.ControllingClient.SetAgentThrottleSilent((int)Throttle,setting);
537 }
538
539 public int ThrottleBytes
540 {
541 get { return CapSetThrottle; }
542 set { CapSetThrottle = value; }
543 }
544
545 internal void UpdateThrottle(int pimagethrottle, ScenePresence p)
546 {
547 // Client set throttle !
548 UserSetThrottle = pimagethrottle;
549 CapSetThrottle = (int)(pimagethrottle*CapThrottleDistributon);
550// UDPSetThrottle = (int) (pimagethrottle*(100 - CapThrottleDistributon));
551
552 float udp = 1.0f - CapThrottleDistributon;
553 if(udp < 0.5f)
554 udp = 0.5f;
555 UDPSetThrottle = (int) ((float)pimagethrottle * udp);
556 if (CapSetThrottle < 4068)
557 CapSetThrottle = 4068; // at least two discovery mesh
558 p.ControllingClient.SetAgentThrottleSilent((int) Throttle, UDPSetThrottle);
559 ProcessTime();
560
561 }
562 }
139 563
140 } 564 }
141} 565}