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-rw-r--r--OpenSim/Region/ClientStack/LindenUDP/J2KImage.cs299
-rw-r--r--OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs4
-rw-r--r--OpenSim/Region/ClientStack/LindenUDP/LLImageManager.cs242
3 files changed, 239 insertions, 306 deletions
diff --git a/OpenSim/Region/ClientStack/LindenUDP/J2KImage.cs b/OpenSim/Region/ClientStack/LindenUDP/J2KImage.cs
index 5f549b5..19ad0b4 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/J2KImage.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/J2KImage.cs
@@ -47,69 +47,26 @@ namespace OpenSim.Region.ClientStack.LindenUDP
47 47
48 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); 48 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
49 49
50 public uint m_lastSequence; 50 public uint LastSequence;
51 public float m_requestedPriority; 51 public float Priority;
52 public uint m_requestedPacketNumber; 52 public uint StartPacket;
53 public sbyte m_requestedDiscardLevel; 53 public sbyte DiscardLevel;
54 public UUID m_requestedUUID; 54 public UUID TextureID;
55 public IJ2KDecoder m_j2kDecodeModule; 55 public IJ2KDecoder J2KDecoder;
56 public IAssetService m_assetCache; 56 public IAssetService AssetService;
57 public OpenJPEG.J2KLayerInfo[] m_layers; 57 public OpenJPEG.J2KLayerInfo[] Layers;
58 public bool m_decoded; 58 public bool IsDecoded;
59 public bool m_hasasset; 59 public bool HasAsset;
60 public C5.IPriorityQueueHandle<J2KImage> m_priorityQueueHandle; 60 public C5.IPriorityQueueHandle<J2KImage> PriorityQueueHandle;
61 61
62 private uint m_packetNumber; 62 private uint m_currentPacket;
63 private bool m_decoderequested; 63 private bool m_decodeRequested;
64 private bool m_asset_requested; 64 private bool m_assetRequested;
65 private bool m_sentinfo; 65 private bool m_sentInfo;
66 private uint m_stopPacket; 66 private uint m_stopPacket;
67 private AssetBase m_asset; 67 private byte[] m_asset;
68 private int m_assetDataLength;
69 private LLImageManager m_imageManager; 68 private LLImageManager m_imageManager;
70 69
71 #region Properties
72
73 public uint m_pPacketNumber
74 {
75 get { return m_packetNumber; }
76 }
77 public uint m_pStopPacketNumber
78 {
79 get { return m_stopPacket; }
80 }
81
82 public byte[] Data
83 {
84 get
85 {
86 if (m_asset != null)
87 return m_asset.Data;
88 else
89 return null;
90 }
91 }
92
93 public ushort TexturePacketCount()
94 {
95 if (!m_decoded)
96 return 0;
97
98 try
99 {
100 return (ushort)(((m_assetDataLength - FIRST_PACKET_SIZE + IMAGE_PACKET_SIZE - 1) / IMAGE_PACKET_SIZE) + 1);
101 }
102 catch (Exception)
103 {
104 // If the asset is missing/destroyed/truncated, we will land
105 // here
106 //
107 return 0;
108 }
109 }
110
111 #endregion Properties
112
113 public J2KImage(LLImageManager imageManager) 70 public J2KImage(LLImageManager imageManager)
114 { 71 {
115 m_imageManager = imageManager; 72 m_imageManager = imageManager;
@@ -117,33 +74,32 @@ namespace OpenSim.Region.ClientStack.LindenUDP
117 74
118 public bool SendPackets(LLClientView client, int maxpack) 75 public bool SendPackets(LLClientView client, int maxpack)
119 { 76 {
120 if (m_packetNumber <= m_stopPacket) 77 if (m_currentPacket <= m_stopPacket)
121 { 78 {
122 bool SendMore = true; 79 bool SendMore = true;
123 if (!m_sentinfo || (m_packetNumber == 0)) 80 if (!m_sentInfo || (m_currentPacket == 0))
124 { 81 {
125 if (SendFirstPacket(client)) 82 if (SendFirstPacket(client))
126 { 83 {
127 SendMore = false; 84 SendMore = false;
128 } 85 }
129 m_sentinfo = true; 86 m_sentInfo = true;
130 m_packetNumber++; 87 m_currentPacket++;
131 } 88 }
132 // bool ignoreStop = false; 89 if (m_currentPacket < 2)
133 if (m_packetNumber < 2)
134 { 90 {
135 m_packetNumber = 2; 91 m_currentPacket = 2;
136 } 92 }
137 93
138 int count = 0; 94 int count = 0;
139 while (SendMore && count < maxpack && m_packetNumber <= m_stopPacket) 95 while (SendMore && count < maxpack && m_currentPacket <= m_stopPacket)
140 { 96 {
141 count++; 97 count++;
142 SendMore = SendPacket(client); 98 SendMore = SendPacket(client);
143 m_packetNumber++; 99 m_currentPacket++;
144 } 100 }
145 101
146 if (m_packetNumber > m_stopPacket) 102 if (m_currentPacket > m_stopPacket)
147 return true; 103 return true;
148 } 104 }
149 105
@@ -156,68 +112,76 @@ namespace OpenSim.Region.ClientStack.LindenUDP
156 //and assign the real discardLevel and packetNumber 112 //and assign the real discardLevel and packetNumber
157 //assuming of course that the connected client might be bonkers 113 //assuming of course that the connected client might be bonkers
158 114
159 if (!m_hasasset) 115 if (!HasAsset)
160 { 116 {
161 if (!m_asset_requested) 117 if (!m_assetRequested)
162 { 118 {
163 m_asset_requested = true; 119 m_assetRequested = true;
164 m_assetCache.Get(m_requestedUUID.ToString(), this, AssetReceived); 120 AssetService.Get(TextureID.ToString(), this, AssetReceived);
165 } 121 }
166 } 122 }
167 else 123 else
168 { 124 {
169 if (!m_decoded) 125 if (!IsDecoded)
170 { 126 {
171 //We need to decode the requested image first 127 //We need to decode the requested image first
172 if (!m_decoderequested) 128 if (!m_decodeRequested)
173 { 129 {
174 //Request decode 130 //Request decode
175 m_decoderequested = true; 131 m_decodeRequested = true;
176 // Do we have a jpeg decoder? 132 // Do we have a jpeg decoder?
177 if (m_j2kDecodeModule != null) 133 if (J2KDecoder != null)
178 { 134 {
179 if (Data == null) 135 if (m_asset == null)
180 { 136 {
181 J2KDecodedCallback(m_requestedUUID, new OpenJPEG.J2KLayerInfo[0]); 137 J2KDecodedCallback(TextureID, new OpenJPEG.J2KLayerInfo[0]);
182 } 138 }
183 else 139 else
184 { 140 {
185 // Send it off to the jpeg decoder 141 // Send it off to the jpeg decoder
186 m_j2kDecodeModule.BeginDecode(m_requestedUUID, Data, J2KDecodedCallback); 142 J2KDecoder.BeginDecode(TextureID, m_asset, J2KDecodedCallback);
187 } 143 }
188 144
189 } 145 }
190 else 146 else
191 { 147 {
192 J2KDecodedCallback(m_requestedUUID, new OpenJPEG.J2KLayerInfo[0]); 148 J2KDecodedCallback(TextureID, new OpenJPEG.J2KLayerInfo[0]);
193 } 149 }
194 } 150 }
195 } 151 }
196 else 152 else
197 { 153 {
198 // Check for missing image asset data 154 // Check for missing image asset data
199 if (m_asset == null || m_asset.Data == null) 155 if (m_asset == null)
200 { 156 {
201 // FIXME: 157 m_log.Warn("[J2KIMAGE]: RunUpdate() called with missing asset data (no missing image texture?). Canceling texture transfer");
202 m_packetNumber = m_stopPacket; 158 m_currentPacket = m_stopPacket;
203 return; 159 return;
204 } 160 }
205 161
206 if (m_requestedDiscardLevel >= 0 || m_stopPacket == 0) 162 if (DiscardLevel >= 0 || m_stopPacket == 0)
207 { 163 {
208 int maxDiscardLevel = Math.Max(0, m_layers.Length - 1); 164 // This shouldn't happen, but if it does, we really can't proceed
165 if (Layers == null)
166 {
167 m_log.Warn("[J2KIMAGE]: RunUpdate() called with missing Layers. Canceling texture transfer");
168 m_currentPacket = m_stopPacket;
169 return;
170 }
171
172 int maxDiscardLevel = Math.Max(0, Layers.Length - 1);
209 173
210 // Treat initial texture downloads with a DiscardLevel of -1 a request for the highest DiscardLevel 174 // Treat initial texture downloads with a DiscardLevel of -1 a request for the highest DiscardLevel
211 if (m_requestedDiscardLevel < 0 && m_stopPacket == 0) 175 if (DiscardLevel < 0 && m_stopPacket == 0)
212 m_requestedDiscardLevel = (sbyte)maxDiscardLevel; 176 DiscardLevel = (sbyte)maxDiscardLevel;
213 177
214 // Clamp at the highest discard level 178 // Clamp at the highest discard level
215 m_requestedDiscardLevel = (sbyte)Math.Min(m_requestedDiscardLevel, maxDiscardLevel); 179 DiscardLevel = (sbyte)Math.Min(DiscardLevel, maxDiscardLevel);
216 180
217 //Calculate the m_stopPacket 181 //Calculate the m_stopPacket
218 if (m_layers.Length > 0) 182 if (Layers.Length > 0)
219 { 183 {
220 m_stopPacket = (uint)GetPacketForBytePosition(m_layers[(m_layers.Length - 1) - m_requestedDiscardLevel].End); 184 m_stopPacket = (uint)GetPacketForBytePosition(Layers[(Layers.Length - 1) - DiscardLevel].End);
221 //I don't know why, but the viewer seems to expect the final packet if the file 185 //I don't know why, but the viewer seems to expect the final packet if the file
222 //is just one packet bigger. 186 //is just one packet bigger.
223 if (TexturePacketCount() == m_stopPacket + 1) 187 if (TexturePacketCount() == m_stopPacket + 1)
@@ -230,32 +194,65 @@ namespace OpenSim.Region.ClientStack.LindenUDP
230 m_stopPacket = TexturePacketCount(); 194 m_stopPacket = TexturePacketCount();
231 } 195 }
232 196
233 m_packetNumber = m_requestedPacketNumber; 197 m_currentPacket = StartPacket;
234 } 198 }
235 199
236 if (m_imageManager.Client.PacketHandler.GetQueueCount(ThrottleOutPacketType.Texture) == 0) 200 if ((m_imageManager != null) && (m_imageManager.Client != null) && (m_imageManager.Client.PacketHandler != null))
237 { 201 if (m_imageManager.Client.PacketHandler.GetQueueCount(ThrottleOutPacketType.Texture) == 0)
238 //m_log.Debug("No textures queued, sending one packet to kickstart it"); 202 {
239 SendPacket(m_imageManager.Client); 203 //m_log.Debug("No textures queued, sending one packet to kickstart it");
240 } 204 SendPacket(m_imageManager.Client);
205 }
241 } 206 }
242 } 207 }
243 } 208 }
244 209
210 private bool SendFirstPacket(LLClientView client)
211 {
212 if (m_asset == null)
213 {
214 m_log.Warn("[J2KIMAGE]: Sending ImageNotInDatabase for texture " + TextureID);
215 client.SendImageNotFound(TextureID);
216 return true;
217 }
218 else if (m_asset.Length <= FIRST_PACKET_SIZE)
219 {
220 // We have less then one packet's worth of data
221 client.SendImageFirstPart(1, TextureID, (uint)m_asset.Length, m_asset, 2);
222 m_stopPacket = 0;
223 return true;
224 }
225 else
226 {
227 // This is going to be a multi-packet texture download
228 byte[] firstImageData = new byte[FIRST_PACKET_SIZE];
229
230 try { Buffer.BlockCopy(m_asset, 0, firstImageData, 0, FIRST_PACKET_SIZE); }
231 catch (Exception)
232 {
233 m_log.ErrorFormat("[J2KIMAGE]: Texture block copy for the first packet failed. textureid={0}, assetlength={1}", TextureID, m_asset.Length);
234 return true;
235 }
236
237 client.SendImageFirstPart(TexturePacketCount(), TextureID, (uint)m_asset.Length, firstImageData, (byte)ImageCodec.J2C);
238 }
239 return false;
240 }
241
245 private bool SendPacket(LLClientView client) 242 private bool SendPacket(LLClientView client)
246 { 243 {
247 bool complete = false; 244 bool complete = false;
248 int imagePacketSize = ((int)m_packetNumber == (TexturePacketCount())) ? LastPacketSize() : IMAGE_PACKET_SIZE; 245 int imagePacketSize = ((int)m_currentPacket == (TexturePacketCount())) ? LastPacketSize() : IMAGE_PACKET_SIZE;
249 246
250 try 247 try
251 { 248 {
252 if ((CurrentBytePosition() + IMAGE_PACKET_SIZE) > m_assetDataLength) 249 if ((CurrentBytePosition() + IMAGE_PACKET_SIZE) > m_asset.Length)
253 { 250 {
254 imagePacketSize = LastPacketSize(); 251 imagePacketSize = LastPacketSize();
255 complete = true; 252 complete = true;
256 if ((CurrentBytePosition() + imagePacketSize) > m_assetDataLength) 253 if ((CurrentBytePosition() + imagePacketSize) > m_asset.Length)
257 { 254 {
258 imagePacketSize = m_assetDataLength - CurrentBytePosition(); 255 imagePacketSize = m_asset.Length - CurrentBytePosition();
259 complete = true; 256 complete = true;
260 } 257 }
261 } 258 }
@@ -266,27 +263,21 @@ namespace OpenSim.Region.ClientStack.LindenUDP
266 if (imagePacketSize > 0) 263 if (imagePacketSize > 0)
267 { 264 {
268 byte[] imageData = new byte[imagePacketSize]; 265 byte[] imageData = new byte[imagePacketSize];
269 try 266 int currentPosition = CurrentBytePosition();
270 { 267
271 Buffer.BlockCopy(m_asset.Data, CurrentBytePosition(), imageData, 0, imagePacketSize); 268 try { Buffer.BlockCopy(m_asset, currentPosition, imageData, 0, imagePacketSize); }
272 }
273 catch (Exception e) 269 catch (Exception e)
274 { 270 {
275 m_log.Error("Error copying texture block. Out of memory? imagePacketSize was " + imagePacketSize.ToString() + " on packet " + m_packetNumber.ToString() + " out of " + m_stopPacket.ToString() + ". Exception: " + e.ToString()); 271 m_log.ErrorFormat("[J2KIMAGE]: Texture block copy for the first packet failed. textureid={0}, assetlength={1}, currentposition={2}, imagepacketsize={3}, exception={4}",
272 TextureID, m_asset.Length, currentPosition, imagePacketSize, e.Message);
276 return false; 273 return false;
277 } 274 }
278 275
279 //Send the packet 276 //Send the packet
280 client.SendImageNextPart((ushort)(m_packetNumber - 1), m_requestedUUID, imageData); 277 client.SendImageNextPart((ushort)(m_currentPacket - 1), TextureID, imageData);
281 }
282 if (complete)
283 {
284 return false;
285 }
286 else
287 {
288 return true;
289 } 278 }
279
280 return !complete;
290 } 281 }
291 catch (Exception) 282 catch (Exception)
292 { 283 {
@@ -294,6 +285,20 @@ namespace OpenSim.Region.ClientStack.LindenUDP
294 } 285 }
295 } 286 }
296 287
288 private ushort TexturePacketCount()
289 {
290 if (!IsDecoded)
291 return 0;
292
293 if (m_asset == null)
294 return 0;
295
296 if (m_asset.Length <= FIRST_PACKET_SIZE)
297 return 1;
298
299 return (ushort)(((m_asset.Length - FIRST_PACKET_SIZE + IMAGE_PACKET_SIZE - 1) / IMAGE_PACKET_SIZE) + 1);
300 }
301
297 private int GetPacketForBytePosition(int bytePosition) 302 private int GetPacketForBytePosition(int bytePosition)
298 { 303 {
299 return ((bytePosition - FIRST_PACKET_SIZE + IMAGE_PACKET_SIZE - 1) / IMAGE_PACKET_SIZE) + 1; 304 return ((bytePosition - FIRST_PACKET_SIZE + IMAGE_PACKET_SIZE - 1) / IMAGE_PACKET_SIZE) + 1;
@@ -301,9 +306,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
301 306
302 private int LastPacketSize() 307 private int LastPacketSize()
303 { 308 {
304 if (m_packetNumber == 1) 309 if (m_currentPacket == 1)
305 return m_assetDataLength; 310 return m_asset.Length;
306 int lastsize = (m_assetDataLength - FIRST_PACKET_SIZE) % IMAGE_PACKET_SIZE; 311 int lastsize = (m_asset.Length - FIRST_PACKET_SIZE) % IMAGE_PACKET_SIZE;
307 //If the last packet size is zero, it's really cImagePacketSize, it sits on the boundary 312 //If the last packet size is zero, it's really cImagePacketSize, it sits on the boundary
308 if (lastsize == 0) 313 if (lastsize == 0)
309 { 314 {
@@ -314,12 +319,12 @@ namespace OpenSim.Region.ClientStack.LindenUDP
314 319
315 private int CurrentBytePosition() 320 private int CurrentBytePosition()
316 { 321 {
317 if (m_packetNumber == 0) 322 if (m_currentPacket == 0)
318 return 0; 323 return 0;
319 if (m_packetNumber == 1) 324 if (m_currentPacket == 1)
320 return FIRST_PACKET_SIZE; 325 return FIRST_PACKET_SIZE;
321 326
322 int result = FIRST_PACKET_SIZE + ((int)m_packetNumber - 2) * IMAGE_PACKET_SIZE; 327 int result = FIRST_PACKET_SIZE + ((int)m_currentPacket - 2) * IMAGE_PACKET_SIZE;
323 if (result < 0) 328 if (result < 0)
324 { 329 {
325 result = FIRST_PACKET_SIZE; 330 result = FIRST_PACKET_SIZE;
@@ -327,68 +332,32 @@ namespace OpenSim.Region.ClientStack.LindenUDP
327 return result; 332 return result;
328 } 333 }
329 334
330 private bool SendFirstPacket(LLClientView client)
331 {
332 // this means we don't have
333 if (Data == null)
334 {
335 client.SendImageNotFound(m_requestedUUID);
336 m_log.WarnFormat("[TEXTURE]: Got null Data element on a asset {0}.. and the missing image Data property is also null", m_requestedUUID);
337 return true;
338 }
339 // Do we have less then 1 packet's worth of data?
340 else if (m_assetDataLength <= FIRST_PACKET_SIZE)
341 {
342 // Send only 1 packet
343 client.SendImageFirstPart(1, m_requestedUUID, (uint)m_assetDataLength, m_asset.Data, 2);
344 m_stopPacket = 0;
345 return true;
346 }
347 else
348 {
349 byte[] firstImageData = new byte[FIRST_PACKET_SIZE];
350 try
351 {
352 Buffer.BlockCopy(m_asset.Data, 0, firstImageData, 0, (int)FIRST_PACKET_SIZE);
353 client.SendImageFirstPart(TexturePacketCount(), m_requestedUUID, (uint)m_assetDataLength, firstImageData, 2);
354 }
355 catch (Exception)
356 {
357 m_log.Error("Texture block copy failed. Possibly out of memory?");
358 return true;
359 }
360 }
361 return false;
362 }
363
364 private void J2KDecodedCallback(UUID AssetId, OpenJPEG.J2KLayerInfo[] layers) 335 private void J2KDecodedCallback(UUID AssetId, OpenJPEG.J2KLayerInfo[] layers)
365 { 336 {
366 m_layers = layers; 337 Layers = layers;
367 m_decoded = true; 338 IsDecoded = true;
368 RunUpdate(); 339 RunUpdate();
369 } 340 }
370 341
371 private void AssetDataCallback(UUID AssetID, AssetBase asset) 342 private void AssetDataCallback(UUID AssetID, AssetBase asset)
372 { 343 {
373 m_hasasset = true; 344 HasAsset = true;
374 345
375 if (asset == null || asset.Data == null) 346 if (asset == null || asset.Data == null)
376 { 347 {
377 if (m_imageManager.MissingImage != null) 348 if (m_imageManager.MissingImage != null)
378 { 349 {
379 m_asset = m_imageManager.MissingImage; 350 m_asset = m_imageManager.MissingImage.Data;
380 m_assetDataLength = m_asset.Data.Length;
381 } 351 }
382 else 352 else
383 { 353 {
384 m_asset = null; 354 m_asset = null;
385 m_decoded = true; 355 IsDecoded = true;
386 } 356 }
387 } 357 }
388 else 358 else
389 { 359 {
390 m_asset = asset; 360 m_asset = asset.Data;
391 m_assetDataLength = m_asset.Data.Length;
392 } 361 }
393 362
394 RunUpdate(); 363 RunUpdate();
diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
index 3b43771..0052729 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
@@ -4751,7 +4751,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
4751 { 4751 {
4752 Hashtable mp = (Hashtable)simMapProfiles[iii]; 4752 Hashtable mp = (Hashtable)simMapProfiles[iii];
4753 mbReply.Data[iii] = new MapBlockReplyPacket.DataBlock(); 4753 mbReply.Data[iii] = new MapBlockReplyPacket.DataBlock();
4754 mbReply.Data[iii].Name = System.Text.Encoding.UTF8.GetBytes((string)mp["name"]); 4754 mbReply.Data[iii].Name = Util.UTF8.GetBytes((string)mp["name"]);
4755 mbReply.Data[iii].Access = System.Convert.ToByte(mp["access"]); 4755 mbReply.Data[iii].Access = System.Convert.ToByte(mp["access"]);
4756 mbReply.Data[iii].Agents = System.Convert.ToByte(mp["agents"]); 4756 mbReply.Data[iii].Agents = System.Convert.ToByte(mp["agents"]);
4757 mbReply.Data[iii].MapImageID = new UUID((string)mp["map-image-id"]); 4757 mbReply.Data[iii].MapImageID = new UUID((string)mp["map-image-id"]);
@@ -7341,7 +7341,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
7341 } 7341 }
7342 #endregion 7342 #endregion
7343 7343
7344 string mapName = Encoding.UTF8.GetString(map.NameData.Name, 0, 7344 string mapName = Util.UTF8.GetString(map.NameData.Name, 0,
7345 map.NameData.Name.Length - 1); 7345 map.NameData.Name.Length - 1);
7346 handlerMapNameRequest = OnMapNameRequest; 7346 handlerMapNameRequest = OnMapNameRequest;
7347 if (handlerMapNameRequest != null) 7347 if (handlerMapNameRequest != null)
diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLImageManager.cs b/OpenSim/Region/ClientStack/LindenUDP/LLImageManager.cs
index a484fdf..2120d33 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLImageManager.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLImageManager.cs
@@ -45,48 +45,43 @@ namespace OpenSim.Region.ClientStack.LindenUDP
45 { 45 {
46 public int Compare(J2KImage x, J2KImage y) 46 public int Compare(J2KImage x, J2KImage y)
47 { 47 {
48 return x.m_requestedPriority.CompareTo(y.m_requestedPriority); 48 return x.Priority.CompareTo(y.Priority);
49 } 49 }
50 } 50 }
51 51
52 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); 52 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
53 private bool m_shuttingdown = false; 53 private bool m_shuttingdown;
54 private long m_lastloopprocessed = 0; 54 private long m_lastloopprocessed;
55 private AssetBase m_missingImage = null; 55 private AssetBase m_missingImage;
56
57 private LLClientView m_client; //Client we're assigned to 56 private LLClientView m_client; //Client we're assigned to
58 private IAssetService m_assetCache; //Asset Cache 57 private IAssetService m_assetCache; //Asset Cache
59 private IJ2KDecoder m_j2kDecodeModule; //Our J2K module 58 private IJ2KDecoder m_j2kDecodeModule; //Our J2K module
60 private C5.IntervalHeap<J2KImage> m_priorityQueue = new C5.IntervalHeap<J2KImage>(10, new J2KImageComparer()); 59 private C5.IntervalHeap<J2KImage> m_priorityQueue = new C5.IntervalHeap<J2KImage>(10, new J2KImageComparer());
60 private object m_syncRoot = new object();
61
62 public LLClientView Client { get { return m_client; } }
63 public AssetBase MissingImage { get { return m_missingImage; } }
61 64
62 public LLImageManager(LLClientView client, IAssetService pAssetCache, IJ2KDecoder pJ2kDecodeModule) 65 public LLImageManager(LLClientView client, IAssetService pAssetCache, IJ2KDecoder pJ2kDecodeModule)
63 { 66 {
64 m_client = client; 67 m_client = client;
65 m_assetCache = pAssetCache; 68 m_assetCache = pAssetCache;
69
66 if (pAssetCache != null) 70 if (pAssetCache != null)
67 m_missingImage = pAssetCache.Get("5748decc-f629-461c-9a36-a35a221fe21f"); 71 m_missingImage = pAssetCache.Get("5748decc-f629-461c-9a36-a35a221fe21f");
68 else 72
69 m_log.Error("[ClientView] - couldn't set missing image asset, falling back to missing image packet. This is known to crash the client"); 73 if (m_missingImage == null)
74 m_log.Error("[ClientView] - Couldn't set missing image asset, falling back to missing image packet. This is known to crash the client");
70 75
71 m_j2kDecodeModule = pJ2kDecodeModule; 76 m_j2kDecodeModule = pJ2kDecodeModule;
72 } 77 }
73 78
74 public LLClientView Client 79 /// <summary>
75 { 80 /// Handles an incoming texture request or update to an existing texture request
76 get { return m_client; } 81 /// </summary>
77 } 82 /// <param name="newRequest"></param>
78
79 public AssetBase MissingImage
80 {
81 get { return m_missingImage; }
82 }
83
84 public void EnqueueReq(TextureRequestArgs newRequest) 83 public void EnqueueReq(TextureRequestArgs newRequest)
85 { 84 {
86 //newRequest is the properties of our new texture fetch request.
87 //Basically, here is where we queue up "new" requests..
88 // .. or modify existing requests to suit.
89
90 //Make sure we're not shutting down.. 85 //Make sure we're not shutting down..
91 if (!m_shuttingdown) 86 if (!m_shuttingdown)
92 { 87 {
@@ -94,7 +89,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
94 89
95 // Do a linear search for this texture download 90 // Do a linear search for this texture download
96 lock (m_priorityQueue) 91 lock (m_priorityQueue)
97 m_priorityQueue.Find(delegate(J2KImage img) { return img.m_requestedUUID == newRequest.RequestedAssetID; }, out imgrequest); 92 m_priorityQueue.Find(delegate(J2KImage img) { return img.TextureID == newRequest.RequestedAssetID; }, out imgrequest);
98 93
99 if (imgrequest != null) 94 if (imgrequest != null)
100 { 95 {
@@ -105,7 +100,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
105 try 100 try
106 { 101 {
107 lock (m_priorityQueue) 102 lock (m_priorityQueue)
108 m_priorityQueue.Delete(imgrequest.m_priorityQueueHandle); 103 m_priorityQueue.Delete(imgrequest.PriorityQueueHandle);
109 } 104 }
110 catch (Exception) { } 105 catch (Exception) { }
111 } 106 }
@@ -116,30 +111,20 @@ namespace OpenSim.Region.ClientStack.LindenUDP
116 111
117 //Check the packet sequence to make sure this isn't older than 112 //Check the packet sequence to make sure this isn't older than
118 //one we've already received 113 //one we've already received
119 if (newRequest.requestSequence > imgrequest.m_lastSequence) 114 if (newRequest.requestSequence > imgrequest.LastSequence)
120 { 115 {
121 //Update the sequence number of the last RequestImage packet 116 //Update the sequence number of the last RequestImage packet
122 imgrequest.m_lastSequence = newRequest.requestSequence; 117 imgrequest.LastSequence = newRequest.requestSequence;
123 118
124 //Update the requested discard level 119 //Update the requested discard level
125 imgrequest.m_requestedDiscardLevel = newRequest.DiscardLevel; 120 imgrequest.DiscardLevel = newRequest.DiscardLevel;
126 121
127 //Update the requested packet number 122 //Update the requested packet number
128 imgrequest.m_requestedPacketNumber = newRequest.PacketNumber; 123 imgrequest.StartPacket = Math.Max(1, newRequest.PacketNumber);
129 124
130 //Update the requested priority 125 //Update the requested priority
131 imgrequest.m_requestedPriority = newRequest.Priority; 126 imgrequest.Priority = newRequest.Priority;
132 try 127 UpdateImageInQueue(imgrequest);
133 {
134 lock (m_priorityQueue)
135 m_priorityQueue.Replace(imgrequest.m_priorityQueueHandle, imgrequest);
136 }
137 catch (Exception)
138 {
139 imgrequest.m_priorityQueueHandle = null;
140 lock (m_priorityQueue)
141 m_priorityQueue.Add(ref imgrequest.m_priorityQueueHandle, imgrequest);
142 }
143 128
144 //Run an update 129 //Run an update
145 imgrequest.RunUpdate(); 130 imgrequest.RunUpdate();
@@ -159,31 +144,16 @@ namespace OpenSim.Region.ClientStack.LindenUDP
159 // newRequest.RequestedAssetID, newRequest.DiscardLevel, newRequest.PacketNumber, newRequest.Priority); 144 // newRequest.RequestedAssetID, newRequest.DiscardLevel, newRequest.PacketNumber, newRequest.Priority);
160 145
161 imgrequest = new J2KImage(this); 146 imgrequest = new J2KImage(this);
162 147 imgrequest.J2KDecoder = m_j2kDecodeModule;
163 //Assign our decoder module 148 imgrequest.AssetService = m_assetCache;
164 imgrequest.m_j2kDecodeModule = m_j2kDecodeModule; 149 imgrequest.DiscardLevel = newRequest.DiscardLevel;
165 150 imgrequest.StartPacket = Math.Max(1, newRequest.PacketNumber);
166 //Assign our asset cache module 151 imgrequest.Priority = newRequest.Priority;
167 imgrequest.m_assetCache = m_assetCache; 152 imgrequest.TextureID = newRequest.RequestedAssetID;
168 153 imgrequest.Priority = newRequest.Priority;
169 //Assign the requested discard level
170 imgrequest.m_requestedDiscardLevel = newRequest.DiscardLevel;
171
172 //Assign the requested packet number
173 imgrequest.m_requestedPacketNumber = newRequest.PacketNumber;
174
175 //Assign the requested priority
176 imgrequest.m_requestedPriority = newRequest.Priority;
177
178 //Assign the asset uuid
179 imgrequest.m_requestedUUID = newRequest.RequestedAssetID;
180
181 //Assign the requested priority
182 imgrequest.m_requestedPriority = newRequest.Priority;
183 154
184 //Add this download to the priority queue 155 //Add this download to the priority queue
185 lock (m_priorityQueue) 156 AddImageToQueue(imgrequest);
186 m_priorityQueue.Add(ref imgrequest.m_priorityQueueHandle, imgrequest);
187 157
188 //Run an update 158 //Run an update
189 imgrequest.RunUpdate(); 159 imgrequest.RunUpdate();
@@ -194,105 +164,99 @@ namespace OpenSim.Region.ClientStack.LindenUDP
194 164
195 public bool ProcessImageQueue(int count, int maxpack) 165 public bool ProcessImageQueue(int count, int maxpack)
196 { 166 {
197 lock (this) 167 J2KImage imagereq;
198 { 168 int numCollected = 0;
199 //count is the number of textures we want to process in one go.
200 //As part of this class re-write, that number will probably rise
201 //since we're processing in a more efficient manner.
202
203 // this can happen during Close()
204 if (m_client == null)
205 return false;
206
207 int numCollected = 0;
208
209 //Calculate our threshold
210 int threshold;
211 if (m_lastloopprocessed == 0)
212 {
213 if (m_client.PacketHandler == null || m_client.PacketHandler.PacketQueue == null || m_client.PacketHandler.PacketQueue.TextureThrottle == null)
214 return false;
215 //This is decent for a semi fast machine, but we'll calculate it more accurately based on time below
216 threshold = m_client.PacketHandler.PacketQueue.TextureThrottle.Current / 6300;
217 m_lastloopprocessed = DateTime.Now.Ticks;
218 }
219 else
220 {
221 double throttleseconds = ((double)DateTime.Now.Ticks - (double)m_lastloopprocessed) / (double)TimeSpan.TicksPerSecond;
222 throttleseconds = throttleseconds * m_client.PacketHandler.PacketQueue.TextureThrottle.Current;
223
224 //Average of 1000 bytes per packet
225 throttleseconds = throttleseconds / 1000;
226
227 //Safe-zone multiplier of 2.0
228 threshold = (int)(throttleseconds * 2.0);
229 m_lastloopprocessed = DateTime.Now.Ticks;
230
231 }
232 169
233 if (m_client.PacketHandler == null) 170 //lock (m_syncRoot)
234 return false; 171 //{
172 m_lastloopprocessed = DateTime.Now.Ticks;
235 173
236 if (m_client.PacketHandler.PacketQueue == null) 174 // This can happen during Close()
175 if (m_client == null || m_client.PacketHandler == null || m_client.PacketHandler.PacketQueue == null)
237 return false; 176 return false;
238 177
239 if (threshold < 10) 178 while ((imagereq = GetHighestPriorityImage()) != null)
240 threshold = 10;
241
242 //Uncomment this to see what the texture stack is doing
243 //m_log.Debug("Queue: " + m_client.PacketHandler.PacketQueue.getQueueCount(ThrottleOutPacketType.Texture).ToString() + " Threshold: " + threshold.ToString() + " outstanding: " + m_outstandingtextures.ToString());
244 if (true) //m_client.PacketHandler.PacketQueue.GetQueueCount(ThrottleOutPacketType.Texture) < threshold)
245 { 179 {
246 while (m_priorityQueue.Count > 0) 180 if (imagereq.IsDecoded == true)
247 { 181 {
248 J2KImage imagereq = null; 182 ++numCollected;
249 lock (m_priorityQueue)
250 imagereq = m_priorityQueue.FindMax();
251 183
252 if (imagereq.m_decoded == true) 184 if (imagereq.SendPackets(m_client, maxpack))
253 { 185 {
254 // we need to test this here now that we are dropping assets 186 // Send complete. Destroy any knowledge of this transfer
255 if (!imagereq.m_hasasset) 187 RemoveImageFromQueue(imagereq);
256 {
257 m_log.WarnFormat("[LLIMAGE MANAGER]: Re-requesting the image asset {0}", imagereq.m_requestedUUID);
258 imagereq.RunUpdate();
259 continue;
260 }
261
262 ++numCollected;
263
264 //SendPackets will send up to ten packets per cycle
265 if (imagereq.SendPackets(m_client, maxpack))
266 {
267 // Send complete. Destroy any knowledge of this transfer
268 try
269 {
270 lock (m_priorityQueue)
271 m_priorityQueue.Delete(imagereq.m_priorityQueueHandle);
272 }
273 catch (Exception) { }
274 }
275 } 188 }
276
277 if (numCollected == count)
278 break;
279 } 189 }
190
191 if (numCollected == count)
192 break;
280 } 193 }
194 //}
281 195
282 return m_priorityQueue.Count > 0; 196 return m_priorityQueue.Count > 0;
283 }
284 } 197 }
285 198
286 //Faux destructor 199 //Faux destructor
287 public void Close() 200 public void Close()
288 { 201 {
289
290 m_shuttingdown = true; 202 m_shuttingdown = true;
291 m_j2kDecodeModule = null; 203 m_j2kDecodeModule = null;
292 m_assetCache = null; 204 m_assetCache = null;
293 m_client = null; 205 m_client = null;
294 } 206 }
295 207
208 #region Priority Queue Helpers
209
210 J2KImage GetHighestPriorityImage()
211 {
212 J2KImage image = null;
213
214 lock (m_priorityQueue)
215 {
216
217 if (m_priorityQueue.Count > 0)
218 {
219 try
220 {
221 image = m_priorityQueue.FindMax();
222 }
223 catch (Exception) { }
224 }
225 }
226 return image;
227 }
228
229 void AddImageToQueue(J2KImage image)
230 {
231 image.PriorityQueueHandle = null;
232
233 lock (m_priorityQueue)
234 m_priorityQueue.Add(ref image.PriorityQueueHandle, image);
235 }
236
237 void RemoveImageFromQueue(J2KImage image)
238 {
239 try
240 {
241 lock (m_priorityQueue)
242 m_priorityQueue.Delete(image.PriorityQueueHandle);
243 }
244 catch (Exception) { }
245 }
246
247 void UpdateImageInQueue(J2KImage image)
248 {
249 lock (m_priorityQueue)
250 {
251 try { m_priorityQueue.Replace(image.PriorityQueueHandle, image); }
252 catch (Exception)
253 {
254 image.PriorityQueueHandle = null;
255 m_priorityQueue.Add(ref image.PriorityQueueHandle, image);
256 }
257 }
258 }
296 259
260 #endregion Priority Queue Helpers
297 } 261 }
298} 262}