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authorJustin Clark-Casey (justincc)2014-01-18 00:06:12 +0000
committerJustin Clark-Casey (justincc)2014-01-18 00:06:12 +0000
commit12bfce7b9f1356893e351d13ddd947810c352727 (patch)
tree40af2a3dcb4570ea6821427830813cd6159d33bb /OpenSim/Region/CoreModules/Asset
parentminor: reinsert some method doc back into IEntityTransferModule (diff)
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elminate unnecessary asset != null check in FlotsamAssetCache.UpdateFileCache()
Passed in asset is always not null
Diffstat (limited to 'OpenSim/Region/CoreModules/Asset')
-rw-r--r--OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs97
1 files changed, 47 insertions, 50 deletions
diff --git a/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs b/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs
index f1fee63..e1aa460 100644
--- a/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs
+++ b/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs
@@ -248,70 +248,67 @@ namespace OpenSim.Region.CoreModules.Asset
248 248
249 private void UpdateFileCache(string key, AssetBase asset) 249 private void UpdateFileCache(string key, AssetBase asset)
250 { 250 {
251 // TODO: Spawn this off to some seperate thread to do the actual writing 251 string filename = GetFileName(key);
252 if (asset != null)
253 {
254 string filename = GetFileName(key);
255 252
256 try 253 try
254 {
255 // If the file is already cached, don't cache it, just touch it so access time is updated
256 if (File.Exists(filename))
257 { 257 {
258 // If the file is already cached, don't cache it, just touch it so access time is updated 258 // We don't really want to know about sharing
259 if (File.Exists(filename)) 259 // violations here. If the file is locked, then
260 // the other thread has updated the time for us.
261 try
260 { 262 {
261 // We don't really want to know about sharing 263 lock (m_CurrentlyWriting)
262 // violations here. If the file is locked, then
263 // the other thread has updated the time for us.
264 try
265 { 264 {
266 lock (m_CurrentlyWriting) 265 if (!m_CurrentlyWriting.Contains(filename))
267 { 266 File.SetLastAccessTime(filename, DateTime.Now);
268 if (!m_CurrentlyWriting.Contains(filename))
269 File.SetLastAccessTime(filename, DateTime.Now);
270 }
271 } 267 }
272 catch 268 }
269 catch
270 {
271 }
272 }
273 else
274 {
275 // Once we start writing, make sure we flag that we're writing
276 // that object to the cache so that we don't try to write the
277 // same file multiple times.
278 lock (m_CurrentlyWriting)
279 {
280#if WAIT_ON_INPROGRESS_REQUESTS
281 if (m_CurrentlyWriting.ContainsKey(filename))
273 { 282 {
283 return;
274 } 284 }
275 } else { 285 else
276
277 // Once we start writing, make sure we flag that we're writing
278 // that object to the cache so that we don't try to write the
279 // same file multiple times.
280 lock (m_CurrentlyWriting)
281 { 286 {
282#if WAIT_ON_INPROGRESS_REQUESTS 287 m_CurrentlyWriting.Add(filename, new ManualResetEvent(false));
283 if (m_CurrentlyWriting.ContainsKey(filename)) 288 }
284 {
285 return;
286 }
287 else
288 {
289 m_CurrentlyWriting.Add(filename, new ManualResetEvent(false));
290 }
291 289
292#else 290#else
293 if (m_CurrentlyWriting.Contains(filename)) 291 if (m_CurrentlyWriting.Contains(filename))
294 { 292 {
295 return; 293 return;
296 }
297 else
298 {
299 m_CurrentlyWriting.Add(filename);
300 }
301#endif
302
303 } 294 }
295 else
296 {
297 m_CurrentlyWriting.Add(filename);
298 }
299#endif
304 300
305 Util.FireAndForget(
306 delegate { WriteFileCache(filename, asset); });
307 } 301 }
302
303 Util.FireAndForget(
304 delegate { WriteFileCache(filename, asset); });
308 } 305 }
309 catch (Exception e) 306 }
310 { 307 catch (Exception e)
311 m_log.ErrorFormat( 308 {
312 "[FLOTSAM ASSET CACHE]: Failed to update cache for asset {0}. Exception {1} {2}", 309 m_log.ErrorFormat(
313 asset.ID, e.Message, e.StackTrace); 310 "[FLOTSAM ASSET CACHE]: Failed to update cache for asset {0}. Exception {1} {2}",
314 } 311 asset.ID, e.Message, e.StackTrace);
315 } 312 }
316 } 313 }
317 314