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-rw-r--r--OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs158
1 files changed, 130 insertions, 28 deletions
diff --git a/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs b/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs
index 53b8ebc..c520356 100644
--- a/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs
+++ b/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs
@@ -129,18 +129,18 @@ namespace Flotsam.RegionModules.AssetCache
129 if (name == Name) 129 if (name == Name)
130 { 130 {
131 m_Enabled = true; 131 m_Enabled = true;
132 m_log.InfoFormat("[ASSET CACHE]: {0} enabled", this.Name); 132 m_log.InfoFormat("[FLOTSAM ASSET CACHE]: {0} enabled", this.Name);
133 133
134 IConfig assetConfig = source.Configs["AssetCache"]; 134 IConfig assetConfig = source.Configs["AssetCache"];
135 if (assetConfig == null) 135 if (assetConfig == null)
136 { 136 {
137 m_log.Warn("[ASSET CACHE]: AssetCache missing from OpenSim.ini, using defaults."); 137 m_log.Warn("[FLOTSAM ASSET CACHE]: AssetCache missing from OpenSim.ini, using defaults.");
138 m_log.InfoFormat("[ASSET CACHE]: Cache Directory", m_DefaultCacheDirectory); 138 m_log.InfoFormat("[FLOTSAM ASSET CACHE]: Cache Directory", m_DefaultCacheDirectory);
139 return; 139 return;
140 } 140 }
141 141
142 m_CacheDirectory = assetConfig.GetString("CacheDirectory", m_DefaultCacheDirectory); 142 m_CacheDirectory = assetConfig.GetString("CacheDirectory", m_DefaultCacheDirectory);
143 m_log.InfoFormat("[ASSET CACHE]: Cache Directory", m_DefaultCacheDirectory); 143 m_log.InfoFormat("[FLOTSAM ASSET CACHE]: Cache Directory", m_DefaultCacheDirectory);
144 144
145 m_MemoryCacheEnabled = assetConfig.GetBoolean("MemoryCacheEnabled", true); 145 m_MemoryCacheEnabled = assetConfig.GetBoolean("MemoryCacheEnabled", true);
146 m_MemoryExpiration = TimeSpan.FromHours(assetConfig.GetDouble("MemoryCacheTimeout", m_DefaultMemoryExpiration)); 146 m_MemoryExpiration = TimeSpan.FromHours(assetConfig.GetDouble("MemoryCacheTimeout", m_DefaultMemoryExpiration));
@@ -188,6 +188,8 @@ namespace Flotsam.RegionModules.AssetCache
188 } 188 }
189 189
190 m_CacheWarnAt = assetConfig.GetInt("CacheWarnAt", 30000); 190 m_CacheWarnAt = assetConfig.GetInt("CacheWarnAt", 30000);
191
192
191 } 193 }
192 } 194 }
193 } 195 }
@@ -203,7 +205,14 @@ namespace Flotsam.RegionModules.AssetCache
203 public void AddRegion(Scene scene) 205 public void AddRegion(Scene scene)
204 { 206 {
205 if (m_Enabled) 207 if (m_Enabled)
208 {
206 scene.RegisterModuleInterface<IImprovedAssetCache>(this); 209 scene.RegisterModuleInterface<IImprovedAssetCache>(this);
210
211 //scene.AddCommand(this, "flotsamcache", "", "Display a list of console commands for the Flotsam Asset Cache", HandleConsoleCommand);
212 scene.AddCommand(this, "flotsamcache counts", "flotsamcache counts", "Display the number of cached assets", HandleConsoleCommand);
213 scene.AddCommand(this, "flotsamcache clearmem", "flotsamcache clearmem", "Remove all assets cached in memory", HandleConsoleCommand);
214 scene.AddCommand(this, "flotsamcache clearfile", "flotsamcache clearfile", "Remove all assets cached on disk", HandleConsoleCommand);
215 }
207 } 216 }
208 217
209 public void RemoveRegion(Scene scene) 218 public void RemoveRegion(Scene scene)
@@ -365,16 +374,16 @@ namespace Flotsam.RegionModules.AssetCache
365 { 374 {
366 m_HitRateFile = (double)m_DiskHits / m_Requests * 100.0; 375 m_HitRateFile = (double)m_DiskHits / m_Requests * 100.0;
367 376
368 m_log.InfoFormat("[ASSET CACHE]: Cache Get :: {0} :: {1}", id, asset == null ? "Miss" : "Hit"); 377 m_log.InfoFormat("[FLOTSAM ASSET CACHE]: Cache Get :: {0} :: {1}", id, asset == null ? "Miss" : "Hit");
369 m_log.InfoFormat("[ASSET CACHE]: File Hit Rate {0}% for {1} requests", m_HitRateFile.ToString("0.00"), m_Requests); 378 m_log.InfoFormat("[FLOTSAM ASSET CACHE]: File Hit Rate {0}% for {1} requests", m_HitRateFile.ToString("0.00"), m_Requests);
370 379
371 if (m_MemoryCacheEnabled) 380 if (m_MemoryCacheEnabled)
372 { 381 {
373 m_HitRateMemory = (double)m_MemoryHits / m_Requests * 100.0; 382 m_HitRateMemory = (double)m_MemoryHits / m_Requests * 100.0;
374 m_log.InfoFormat("[ASSET CACHE]: Memory Hit Rate {0}% for {1} requests", m_HitRateMemory.ToString("0.00"), m_Requests); 383 m_log.InfoFormat("[FLOTSAM ASSET CACHE]: Memory Hit Rate {0}% for {1} requests", m_HitRateMemory.ToString("0.00"), m_Requests);
375 } 384 }
376 385
377 m_log.InfoFormat("[ASSET CACHE]: {0} unnessesary requests due to requests for assets that are currently downloading.", m_RequestsForInprogress); 386 m_log.InfoFormat("[FLOTSAM ASSET CACHE]: {0} unnessesary requests due to requests for assets that are currently downloading.", m_RequestsForInprogress);
378 387
379 } 388 }
380 389
@@ -384,7 +393,7 @@ namespace Flotsam.RegionModules.AssetCache
384 public void Expire(string id) 393 public void Expire(string id)
385 { 394 {
386 if (m_LogLevel >= 2) 395 if (m_LogLevel >= 2)
387 m_log.DebugFormat("[ASSET CACHE]: Expiring Asset {0}.", id); 396 m_log.DebugFormat("[FLOTSAM ASSET CACHE]: Expiring Asset {0}.", id);
388 397
389 try 398 try
390 { 399 {
@@ -406,7 +415,7 @@ namespace Flotsam.RegionModules.AssetCache
406 public void Clear() 415 public void Clear()
407 { 416 {
408 if (m_LogLevel >= 2) 417 if (m_LogLevel >= 2)
409 m_log.Debug("[ASSET CACHE]: Clearing Cache."); 418 m_log.Debug("[FLOTSAM ASSET CACHE]: Clearing Cache.");
410 419
411 foreach (string dir in Directory.GetDirectories(m_CacheDirectory)) 420 foreach (string dir in Directory.GetDirectories(m_CacheDirectory))
412 { 421 {
@@ -420,29 +429,42 @@ namespace Flotsam.RegionModules.AssetCache
420 private void CleanupExpiredFiles(object source, ElapsedEventArgs e) 429 private void CleanupExpiredFiles(object source, ElapsedEventArgs e)
421 { 430 {
422 if (m_LogLevel >= 2) 431 if (m_LogLevel >= 2)
423 m_log.DebugFormat("[ASSET CACHE]: Checking for expired files older then {0}.", m_FileExpiration.ToString()); 432 m_log.DebugFormat("[FLOTSAM ASSET CACHE]: Checking for expired files older then {0}.", m_FileExpiration.ToString());
424 433
425 foreach (string dir in Directory.GetDirectories(m_CacheDirectory)) 434 foreach (string dir in Directory.GetDirectories(m_CacheDirectory))
426 { 435 {
427 foreach (string file in Directory.GetFiles(dir)) 436 CleanExpiredFiles(dir);
428 { 437 }
429 if (DateTime.Now - File.GetLastAccessTime(file) > m_FileExpiration) 438 }
430 {
431 File.Delete(file);
432 }
433 }
434 439
435 int dirSize = Directory.GetFiles(dir).Length; 440 /// <summary>
436 if (dirSize == 0) 441 /// Recurses through specified directory checking for expired asset files and deletes them. Also removes empty directories.
437 { 442 /// </summary>
438 Directory.Delete(dir); 443 /// <param name="dir"></param>
439 } 444 private void CleanExpiredFiles(string dir)
440 else if (dirSize >= m_CacheWarnAt) 445 {
446 foreach (string file in Directory.GetFiles(dir))
447 {
448 if (DateTime.Now - File.GetLastAccessTime(file) > m_FileExpiration)
441 { 449 {
442 m_log.WarnFormat("[ASSET CACHE]: Cache folder exceeded CacheWarnAt limit {0} {1}. Suggest increasing tiers, tier length, or reducing cache expiration", dir, dirSize); 450 File.Delete(file);
443 } 451 }
444
445 } 452 }
453
454 foreach (string subdir in Directory.GetDirectories(dir))
455 {
456 CleanExpiredFiles(subdir);
457 }
458
459 int dirSize = Directory.GetFiles(dir).Length + Directory.GetDirectories(dir).Length;
460 if (dirSize == 0)
461 {
462 Directory.Delete(dir);
463 }
464 else if (dirSize >= m_CacheWarnAt)
465 {
466 m_log.WarnFormat("[FLOTSAM ASSET CACHE]: Cache folder exceeded CacheWarnAt limit {0} {1}. Suggest increasing tiers, tier length, or reducing cache expiration", dir, dirSize);
467 }
446 } 468 }
447 469
448 private string GetFileName(string id) 470 private string GetFileName(string id)
@@ -486,7 +508,7 @@ namespace Flotsam.RegionModules.AssetCache
486 File.Move(tempname, filename); 508 File.Move(tempname, filename);
487 509
488 if (m_LogLevel >= 2) 510 if (m_LogLevel >= 2)
489 m_log.DebugFormat("[ASSET CACHE]: Cache Stored :: {0}", asset.ID); 511 m_log.DebugFormat("[FLOTSAM ASSET CACHE]: Cache Stored :: {0}", asset.ID);
490 } 512 }
491 catch (Exception e) 513 catch (Exception e)
492 { 514 {
@@ -522,8 +544,88 @@ namespace Flotsam.RegionModules.AssetCache
522 string[] text = e.ToString().Split(new char[] { '\n' }); 544 string[] text = e.ToString().Split(new char[] { '\n' });
523 foreach (string t in text) 545 foreach (string t in text)
524 { 546 {
525 m_log.ErrorFormat("[ASSET CACHE]: {0} ", t); 547 m_log.ErrorFormat("[FLOTSAM ASSET CACHE]: {0} ", t);
548 }
549 }
550
551 private int GetFileCacheCount(string dir)
552 {
553 int count = Directory.GetFiles(dir).Length;
554
555 foreach (string subdir in Directory.GetDirectories(dir))
556 {
557 count += GetFileCacheCount(subdir);
526 } 558 }
559
560 return count;
527 } 561 }
562
563 #region Console Commands
564 private void HandleConsoleCommand(string module, string[] cmdparams)
565 {
566 if (cmdparams.Length == 2)
567 {
568 string cmd = cmdparams[1];
569 switch (cmd)
570 {
571 case "count":
572 case "counts":
573 m_log.InfoFormat("[FLOTSAM ASSET CACHE] Memory Cache : {0}", m_MemoryCache.Count);
574
575 int fileCount = GetFileCacheCount(m_CacheDirectory);
576 m_log.InfoFormat("[FLOTSAM ASSET CACHE] File Cache : {0}", fileCount);
577
578 break;
579
580 case "clearmem":
581 m_MemoryCache.Clear();
582 m_log.InfoFormat("[FLOTSAM ASSET CACHE] Memory Cache Cleared, there are now {0} items in the memory cache", m_MemoryCache.Count);
583 break;
584
585 case "clearfile":
586 foreach (string dir in Directory.GetDirectories(m_CacheDirectory))
587 {
588 try
589 {
590 Directory.Delete(dir, true);
591 }
592 catch (Exception e)
593 {
594 LogException(e);
595 }
596 }
597
598 foreach (string file in Directory.GetFiles(m_CacheDirectory))
599 {
600 try
601 {
602 File.Delete(file);
603 }
604 catch (Exception e)
605 {
606 LogException(e);
607 }
608 }
609
610 break;
611
612 default:
613 m_log.InfoFormat("[FLOTSAM ASSET CACHE] Unknown command {0}", cmd);
614 break;
615 }
616 }
617 else if (cmdparams.Length == 1)
618 {
619 m_log.InfoFormat("[FLOTSAM ASSET CACHE] flotsamcache counts - Display the number of cached assets");
620 m_log.InfoFormat("[FLOTSAM ASSET CACHE] flotsamcache clearmem - Remove all assets cached in memory");
621 m_log.InfoFormat("[FLOTSAM ASSET CACHE] flotsamcache clearfile - Remove all assets cached on disk");
622
623 }
624
625
626 }
627
628 #endregion
629
528 } 630 }
529} 631}