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-rw-r--r--OpenSim/OpenSim.RegionServer/Assets/AssetCache.cs578
1 files changed, 1 insertions, 577 deletions
diff --git a/OpenSim/OpenSim.RegionServer/Assets/AssetCache.cs b/OpenSim/OpenSim.RegionServer/Assets/AssetCache.cs
index 3d17346..7aaa741 100644
--- a/OpenSim/OpenSim.RegionServer/Assets/AssetCache.cs
+++ b/OpenSim/OpenSim.RegionServer/Assets/AssetCache.cs
@@ -39,581 +39,5 @@ using OpenSim.Framework.Utilities;
39 39
40namespace OpenSim.Assets 40namespace OpenSim.Assets
41{ 41{
42 /* 42
43 /// <summary>
44 /// Manages local cache of assets and their sending to viewers.
45 /// </summary>
46 public class AssetCache : IAssetReceiver
47 {
48 public Dictionary<libsecondlife.LLUUID, AssetInfo> Assets;
49 public Dictionary<libsecondlife.LLUUID, TextureImage> Textures;
50
51 public List<AssetRequest> AssetRequests = new List<AssetRequest>(); //assets ready to be sent to viewers
52 public List<AssetRequest> TextureRequests = new List<AssetRequest>(); //textures ready to be sent
53
54 public Dictionary<LLUUID, AssetRequest> RequestedAssets = new Dictionary<LLUUID, AssetRequest>(); //Assets requested from the asset server
55 public Dictionary<LLUUID, AssetRequest> RequestedTextures = new Dictionary<LLUUID, AssetRequest>(); //Textures requested from the asset server
56
57 private IAssetServer _assetServer;
58 private Thread _assetCacheThread;
59 private LLUUID[] textureList = new LLUUID[5];
60
61 /// <summary>
62 ///
63 /// </summary>
64 public AssetCache(IAssetServer assetServer)
65 {
66 Console.WriteLine("Creating Asset cache");
67 _assetServer = assetServer;
68 _assetServer.SetReceiver(this);
69 Assets = new Dictionary<libsecondlife.LLUUID, AssetInfo>();
70 Textures = new Dictionary<libsecondlife.LLUUID, TextureImage>();
71 this._assetCacheThread = new Thread(new ThreadStart(RunAssetManager));
72 this._assetCacheThread.IsBackground = true;
73 this._assetCacheThread.Start();
74
75 }
76
77 public AssetCache(string assetServerDLLName, string assetServerURL, string assetServerKey)
78 {
79 Console.WriteLine("Creating Asset cache");
80 _assetServer = this.LoadAssetDll(assetServerDLLName);
81 _assetServer.SetServerInfo(assetServerURL, assetServerKey);
82 _assetServer.SetReceiver(this);
83 Assets = new Dictionary<libsecondlife.LLUUID, AssetInfo>();
84 Textures = new Dictionary<libsecondlife.LLUUID, TextureImage>();
85 this._assetCacheThread = new Thread(new ThreadStart(RunAssetManager));
86 this._assetCacheThread.IsBackground = true;
87 this._assetCacheThread.Start();
88
89 }
90
91 /// <summary>
92 ///
93 /// </summary>
94 public void RunAssetManager()
95 {
96 while (true)
97 {
98 try
99 {
100 //Console.WriteLine("Asset cache loop");
101 this.ProcessAssetQueue();
102 this.ProcessTextureQueue();
103 Thread.Sleep(500);
104 }
105 catch (Exception e)
106 {
107 Console.WriteLine(e.Message);
108 }
109 }
110 }
111
112 public void LoadDefaultTextureSet()
113 {
114 //hack: so we can give each user a set of textures
115 textureList[0] = new LLUUID("00000000-0000-0000-9999-000000000001");
116 textureList[1] = new LLUUID("00000000-0000-0000-9999-000000000002");
117 textureList[2] = new LLUUID("00000000-0000-0000-9999-000000000003");
118 textureList[3] = new LLUUID("00000000-0000-0000-9999-000000000004");
119 textureList[4] = new LLUUID("00000000-0000-0000-9999-000000000005");
120
121 for (int i = 0; i < textureList.Length; i++)
122 {
123 this._assetServer.RequestAsset(textureList[i], true);
124 }
125
126 }
127
128 public AssetBase[] CreateNewInventorySet(LLUUID agentID)
129 {
130 AssetBase[] inventorySet = new AssetBase[this.textureList.Length];
131 for (int i = 0; i < textureList.Length; i++)
132 {
133 if (this.Textures.ContainsKey(textureList[i]))
134 {
135 inventorySet[i] = this.CloneImage(agentID, this.Textures[textureList[i]]);
136 TextureImage image = new TextureImage(inventorySet[i]);
137 this.Textures.Add(image.FullID, image);
138 this._assetServer.UploadNewAsset(image); //save the asset to the asset server
139 }
140 }
141 return inventorySet;
142 }
143
144 public AssetBase GetAsset(LLUUID assetID)
145 {
146 AssetBase asset = null;
147 if(this.Textures.ContainsKey(assetID))
148 {
149 asset = this.Textures[assetID];
150 }
151 else if (this.Assets.ContainsKey(assetID))
152 {
153 asset = this.Assets[assetID];
154 }
155 return asset;
156 }
157
158 public void AddAsset(AssetBase asset)
159 {
160 if (asset.Type == 0)
161 {
162 if (!this.Textures.ContainsKey(asset.FullID))
163 { //texture
164 TextureImage textur = new TextureImage(asset);
165 this.Textures.Add(textur.FullID, textur);
166 this._assetServer.UploadNewAsset(asset);
167 }
168 }
169 else
170 {
171 if (!this.Assets.ContainsKey(asset.FullID))
172 {
173 AssetInfo assetInf = new AssetInfo(asset);
174 this.Assets.Add(assetInf.FullID, assetInf);
175 this._assetServer.UploadNewAsset(asset);
176 }
177 }
178 }
179
180 /// <summary>
181 ///
182 /// </summary>
183 private void ProcessTextureQueue()
184 {
185 if (this.TextureRequests.Count == 0)
186 {
187 //no requests waiting
188 return;
189 }
190 int num;
191
192 if (this.TextureRequests.Count < 5)
193 {
194 //lower than 5 so do all of them
195 num = this.TextureRequests.Count;
196 }
197 else
198 {
199 num = 5;
200 }
201 AssetRequest req;
202 for (int i = 0; i < num; i++)
203 {
204 req = (AssetRequest)this.TextureRequests[i];
205 if (req.PacketCounter != req.NumPackets)
206 {
207 // if (req.ImageInfo.FullID == new LLUUID("00000000-0000-0000-5005-000000000005"))
208 if (req.PacketCounter == 0)
209 {
210 //first time for this request so send imagedata packet
211 if (req.NumPackets == 1)
212 {
213 //only one packet so send whole file
214 ImageDataPacket im = new ImageDataPacket();
215 im.ImageID.Packets = 1;
216 im.ImageID.ID = req.ImageInfo.FullID;
217 im.ImageID.Size = (uint)req.ImageInfo.Data.Length;
218 im.ImageData.Data = req.ImageInfo.Data;
219 im.ImageID.Codec = 2;
220 req.RequestUser.OutPacket(im);
221 req.PacketCounter++;
222 //req.ImageInfo.l= time;
223 //System.Console.WriteLine("sent texture: "+req.image_info.FullID);
224 }
225 else
226 {
227 //more than one packet so split file up
228 ImageDataPacket im = new ImageDataPacket();
229 im.ImageID.Packets = (ushort)req.NumPackets;
230 im.ImageID.ID = req.ImageInfo.FullID;
231 im.ImageID.Size = (uint)req.ImageInfo.Data.Length;
232 im.ImageData.Data = new byte[600];
233 Array.Copy(req.ImageInfo.Data, 0, im.ImageData.Data, 0, 600);
234 im.ImageID.Codec = 2;
235 req.RequestUser.OutPacket(im);
236 req.PacketCounter++;
237 //req.ImageInfo.last_used = time;
238 //System.Console.WriteLine("sent first packet of texture:
239 }
240 }
241 else
242 {
243 //send imagepacket
244 //more than one packet so split file up
245 ImagePacketPacket im = new ImagePacketPacket();
246 im.ImageID.Packet = (ushort)req.PacketCounter;
247 im.ImageID.ID = req.ImageInfo.FullID;
248 int size = req.ImageInfo.Data.Length - 600 - 1000 * (req.PacketCounter - 1);
249 if (size > 1000) size = 1000;
250 im.ImageData.Data = new byte[size];
251 Array.Copy(req.ImageInfo.Data, 600 + 1000 * (req.PacketCounter - 1), im.ImageData.Data, 0, size);
252 req.RequestUser.OutPacket(im);
253 req.PacketCounter++;
254 //req.ImageInfo.last_used = time;
255 //System.Console.WriteLine("sent a packet of texture: "+req.image_info.FullID);
256 }
257 }
258 }
259
260 //remove requests that have been completed
261 int count = 0;
262 for (int i = 0; i < num; i++)
263 {
264 if (this.TextureRequests.Count > count)
265 {
266 req = (AssetRequest)this.TextureRequests[count];
267 if (req.PacketCounter == req.NumPackets)
268 {
269 this.TextureRequests.Remove(req);
270 }
271 else
272 {
273 count++;
274 }
275 }
276 }
277
278 }
279 public void AssetReceived(AssetBase asset, bool IsTexture)
280 {
281 if (asset.FullID != LLUUID.Zero) // if it is set to zero then the asset wasn't found by the server
282 {
283 //check if it is a texture or not
284 //then add to the correct cache list
285 //then check for waiting requests for this asset/texture (in the Requested lists)
286 //and move those requests into the Requests list.
287 if (IsTexture)
288 {
289 TextureImage image = new TextureImage(asset);
290 this.Textures.Add(image.FullID, image);
291 if (this.RequestedTextures.ContainsKey(image.FullID))
292 {
293 AssetRequest req = this.RequestedTextures[image.FullID];
294 req.ImageInfo = image;
295 if (image.Data.LongLength > 600)
296 {
297 //over 600 bytes so split up file
298 req.NumPackets = 1 + (int)(image.Data.Length - 600 + 999) / 1000;
299 }
300 else
301 {
302 req.NumPackets = 1;
303 }
304 this.RequestedTextures.Remove(image.FullID);
305 this.TextureRequests.Add(req);
306 }
307 }
308 else
309 {
310 AssetInfo assetInf = new AssetInfo(asset);
311 this.Assets.Add(assetInf.FullID, assetInf);
312 if (this.RequestedAssets.ContainsKey(assetInf.FullID))
313 {
314 AssetRequest req = this.RequestedAssets[assetInf.FullID];
315 req.AssetInf = assetInf;
316 if (assetInf.Data.LongLength > 600)
317 {
318 //over 600 bytes so split up file
319 req.NumPackets = 1 + (int)(assetInf.Data.Length - 600 + 999) / 1000;
320 }
321 else
322 {
323 req.NumPackets = 1;
324 }
325 this.RequestedAssets.Remove(assetInf.FullID);
326 this.AssetRequests.Add(req);
327 }
328 }
329 }
330 }
331
332 public void AssetNotFound(AssetBase asset)
333 {
334 //the asset server had no knowledge of requested asset
335
336 }
337
338 #region Assets
339 /// <summary>
340 ///
341 /// </summary>
342 /// <param name="userInfo"></param>
343 /// <param name="transferRequest"></param>
344 public void AddAssetRequest(ClientView userInfo, TransferRequestPacket transferRequest)
345 {
346 LLUUID requestID = new LLUUID(transferRequest.TransferInfo.Params, 0);
347 //check to see if asset is in local cache, if not we need to request it from asset server.
348 if (!this.Assets.ContainsKey(requestID))
349 {
350 //not found asset
351 // so request from asset server
352 if (!this.RequestedAssets.ContainsKey(requestID))
353 {
354 AssetRequest request = new AssetRequest();
355 request.RequestUser = userInfo;
356 request.RequestAssetID = requestID;
357 request.TransferRequestID = transferRequest.TransferInfo.TransferID;
358 this.RequestedAssets.Add(requestID, request);
359 this._assetServer.RequestAsset(requestID, false);
360 }
361 return;
362 }
363 //it is in our cache
364 AssetInfo asset = this.Assets[requestID];
365
366 //work out how many packets it should be sent in
367 // and add to the AssetRequests list
368 AssetRequest req = new AssetRequest();
369 req.RequestUser = userInfo;
370 req.RequestAssetID = requestID;
371 req.TransferRequestID = transferRequest.TransferInfo.TransferID;
372 req.AssetInf = asset;
373
374 if (asset.Data.LongLength > 600)
375 {
376 //over 600 bytes so split up file
377 req.NumPackets = 1 + (int)(asset.Data.Length - 600 + 999) / 1000;
378 }
379 else
380 {
381 req.NumPackets = 1;
382 }
383
384 this.AssetRequests.Add(req);
385 }
386
387 /// <summary>
388 ///
389 /// </summary>
390 private void ProcessAssetQueue()
391 {
392 if (this.AssetRequests.Count == 0)
393 {
394 //no requests waiting
395 return;
396 }
397 int num;
398
399 if (this.AssetRequests.Count < 5)
400 {
401 //lower than 5 so do all of them
402 num = this.AssetRequests.Count;
403 }
404 else
405 {
406 num = 5;
407 }
408 AssetRequest req;
409 for (int i = 0; i < num; i++)
410 {
411 req = (AssetRequest)this.AssetRequests[i];
412
413 TransferInfoPacket Transfer = new TransferInfoPacket();
414 Transfer.TransferInfo.ChannelType = 2;
415 Transfer.TransferInfo.Status = 0;
416 Transfer.TransferInfo.TargetType = 0;
417 Transfer.TransferInfo.Params = req.RequestAssetID.GetBytes();
418 Transfer.TransferInfo.Size = (int)req.AssetInf.Data.Length;
419 Transfer.TransferInfo.TransferID = req.TransferRequestID;
420 req.RequestUser.OutPacket(Transfer);
421
422 if (req.NumPackets == 1)
423 {
424 TransferPacketPacket TransferPacket = new TransferPacketPacket();
425 TransferPacket.TransferData.Packet = 0;
426 TransferPacket.TransferData.ChannelType = 2;
427 TransferPacket.TransferData.TransferID = req.TransferRequestID;
428 TransferPacket.TransferData.Data = req.AssetInf.Data;
429 TransferPacket.TransferData.Status = 1;
430 req.RequestUser.OutPacket(TransferPacket);
431 }
432 else
433 {
434 //more than one packet so split file up , for now it can't be bigger than 2000 bytes
435 TransferPacketPacket TransferPacket = new TransferPacketPacket();
436 TransferPacket.TransferData.Packet = 0;
437 TransferPacket.TransferData.ChannelType = 2;
438 TransferPacket.TransferData.TransferID = req.TransferRequestID;
439 byte[] chunk = new byte[1000];
440 Array.Copy(req.AssetInf.Data, chunk, 1000);
441 TransferPacket.TransferData.Data = chunk;
442 TransferPacket.TransferData.Status = 0;
443 req.RequestUser.OutPacket(TransferPacket);
444
445 TransferPacket = new TransferPacketPacket();
446 TransferPacket.TransferData.Packet = 1;
447 TransferPacket.TransferData.ChannelType = 2;
448 TransferPacket.TransferData.TransferID = req.TransferRequestID;
449 byte[] chunk1 = new byte[(req.AssetInf.Data.Length - 1000)];
450 Array.Copy(req.AssetInf.Data, 1000, chunk1, 0, chunk1.Length);
451 TransferPacket.TransferData.Data = chunk1;
452 TransferPacket.TransferData.Status = 1;
453 req.RequestUser.OutPacket(TransferPacket);
454 }
455
456 }
457
458 //remove requests that have been completed
459 for (int i = 0; i < num; i++)
460 {
461 this.AssetRequests.RemoveAt(0);
462 }
463
464 }
465
466 public AssetInfo CloneAsset(LLUUID newOwner, AssetInfo sourceAsset)
467 {
468 AssetInfo newAsset = new AssetInfo();
469 newAsset.Data = new byte[sourceAsset.Data.Length];
470 Array.Copy(sourceAsset.Data, newAsset.Data, sourceAsset.Data.Length);
471 newAsset.FullID = LLUUID.Random();
472 newAsset.Type = sourceAsset.Type;
473 newAsset.InvType = sourceAsset.InvType;
474 return (newAsset);
475 }
476 #endregion
477
478 #region Textures
479 /// <summary>
480 ///
481 /// </summary>
482 /// <param name="userInfo"></param>
483 /// <param name="imageID"></param>
484 public void AddTextureRequest(ClientView userInfo, LLUUID imageID)
485 {
486 //check to see if texture is in local cache, if not request from asset server
487 if (!this.Textures.ContainsKey(imageID))
488 {
489 if (!this.RequestedTextures.ContainsKey(imageID))
490 {
491 //not is cache so request from asset server
492 AssetRequest request = new AssetRequest();
493 request.RequestUser = userInfo;
494 request.RequestAssetID = imageID;
495 request.IsTextureRequest = true;
496 this.RequestedTextures.Add(imageID, request);
497 this._assetServer.RequestAsset(imageID, true);
498 }
499 return;
500 }
501
502 TextureImage imag = this.Textures[imageID];
503 AssetRequest req = new AssetRequest();
504 req.RequestUser = userInfo;
505 req.RequestAssetID = imageID;
506 req.IsTextureRequest = true;
507 req.ImageInfo = imag;
508
509 if (imag.Data.LongLength > 600)
510 {
511 //over 600 bytes so split up file
512 req.NumPackets = 1 + (int)(imag.Data.Length - 600 + 999) / 1000;
513 }
514 else
515 {
516 req.NumPackets = 1;
517 }
518 this.TextureRequests.Add(req);
519 }
520
521 public TextureImage CloneImage(LLUUID newOwner, TextureImage source)
522 {
523 TextureImage newImage = new TextureImage();
524 newImage.Data = new byte[source.Data.Length];
525 Array.Copy(source.Data, newImage.Data, source.Data.Length);
526 //newImage.filename = source.filename;
527 newImage.FullID = LLUUID.Random();
528 newImage.Name = source.Name;
529 return (newImage);
530 }
531 #endregion
532
533 private IAssetServer LoadAssetDll(string dllName)
534 {
535 Assembly pluginAssembly = Assembly.LoadFrom(dllName);
536 IAssetServer server = null;
537
538 foreach (Type pluginType in pluginAssembly.GetTypes())
539 {
540 if (pluginType.IsPublic)
541 {
542 if (!pluginType.IsAbstract)
543 {
544 Type typeInterface = pluginType.GetInterface("IAssetPlugin", true);
545
546 if (typeInterface != null)
547 {
548 IAssetPlugin plug = (IAssetPlugin)Activator.CreateInstance(pluginAssembly.GetType(pluginType.ToString()));
549 server = plug.GetAssetServer();
550 break;
551 }
552
553 typeInterface = null;
554 }
555 }
556 }
557 pluginAssembly = null;
558 return server;
559 }
560
561 }
562
563 public class AssetRequest
564 {
565 public ClientView RequestUser;
566 public LLUUID RequestAssetID;
567 public AssetInfo AssetInf;
568 public TextureImage ImageInfo;
569 public LLUUID TransferRequestID;
570 public long DataPointer = 0;
571 public int NumPackets = 0;
572 public int PacketCounter = 0;
573 public bool IsTextureRequest;
574 //public bool AssetInCache;
575 //public int TimeRequested;
576
577 public AssetRequest()
578 {
579
580 }
581 }
582
583 public class AssetInfo : AssetBase
584 {
585 public AssetInfo()
586 {
587
588 }
589
590 public AssetInfo(AssetBase aBase)
591 {
592 Data = aBase.Data;
593 FullID = aBase.FullID;
594 Type = aBase.Type;
595 InvType = aBase.InvType;
596 Name = aBase.Name;
597 Description = aBase.Description;
598 }
599 }
600
601 public class TextureImage : AssetBase
602 {
603 public TextureImage()
604 {
605
606 }
607
608 public TextureImage(AssetBase aBase)
609 {
610 Data = aBase.Data;
611 FullID = aBase.FullID;
612 Type = aBase.Type;
613 InvType = aBase.InvType;
614 Name = aBase.Name;
615 Description = aBase.Description;
616 }
617 }
618 */
619} 43}
generated by cgit v1.1 at 2024-11-05 16:04:08 +0000