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Add a slow cache cleaner thread. By default, the thread starts a cleanup 

sweep every 10 minutes. If any texture data is older than 12 hours, it is
regenerated and the memory cache is refreshed. After each decode, the thread
delays for 5 seconds.
remotes/origin/0.6.7-post-fixes
Melanie 2009-08-29 05:54:38 +01:00
parent 2a5b9f7740
commit 1a6b30e092
2 changed files with 48 additions and 8 deletions
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50
OpenSim/Region/CoreModules/Agent/TextureSender/J2KDecoderModule.cs
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@ -30,6 +30,7 @@ using System.Collections.Generic;
using System.IO;
using System.Reflection;
using System.Text;
using System.Threading;
using log4net;
using Nini.Config;
using OpenMetaverse;
@ -38,6 +39,7 @@ using OpenMetaverse.Imaging;
using OpenSim.Framework;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using OpenSim.Services.Interfaces;
namespace OpenSim.Region.CoreModules.Agent.TextureSender
{
@ -56,8 +58,11 @@ namespace OpenSim.Region.CoreModules.Agent.TextureSender
private readonly Dictionary<UUID, OpenJPEG.J2KLayerInfo[]> m_cacheddecode = new Dictionary<UUID, OpenJPEG.J2KLayerInfo[]>();
private bool OpenJpegFail = false;
private string CacheFolder = Util.dataDir() + "/j2kDecodeCache";
private int CacheTimeout = 60;
private J2KDecodeFileCache fCache;
private int CacheTimeout = 720;
private J2KDecodeFileCache fCache = null;
private Thread CleanerThread = null;
private IAssetService AssetService = null;
private Scene m_Scene = null;
/// <summary>
/// List of client methods to notify of results of decode
@ -70,6 +75,9 @@ namespace OpenSim.Region.CoreModules.Agent.TextureSender
public void Initialise(Scene scene, IConfigSource source)
{
if (m_Scene == null)
m_Scene = scene;
IConfig j2kConfig = source.Configs["J2KDecoder"];
if (j2kConfig != null)
{
@ -77,14 +85,23 @@ namespace OpenSim.Region.CoreModules.Agent.TextureSender
CacheTimeout = j2kConfig.GetInt("CacheTimeout", CacheTimeout);
}
if (fCache == null)
fCache = new J2KDecodeFileCache(CacheFolder, CacheTimeout);
scene.RegisterModuleInterface<IJ2KDecoder>(this);
if (CleanerThread == null && CacheTimeout != 0)
{
CleanerThread = new Thread(CleanCache);
CleanerThread.Name = "J2KCleanerThread";
CleanerThread.IsBackground = true;
CleanerThread.Start();
}
}
public void PostInitialise()
{
AssetService = m_Scene.AssetService;
}
public void Close()
@ -340,7 +357,8 @@ namespace OpenSim.Region.CoreModules.Agent.TextureSender
// Cache Decoded layers
lock (m_cacheddecode)
{
if (!m_cacheddecode.ContainsKey(AssetId))
if (m_cacheddecode.ContainsKey(AssetId))
m_cacheddecode.Remove(AssetId);
m_cacheddecode.Add(AssetId, layers);
}
@ -359,6 +377,28 @@ namespace OpenSim.Region.CoreModules.Agent.TextureSender
}
}
}
private void CleanCache()
{
m_log.Info("[J2KDecoderModule]: Cleaner thread started");
while (true)
{
if (AssetService != null)
fCache.ScanCacheFiles(RedecodeTexture);
System.Threading.Thread.Sleep(600000);
}
}
private void RedecodeTexture(UUID assetID)
{
AssetBase texture = AssetService.Get(assetID.ToString());
if (texture == null)
return;
doJ2kDecode(assetID, texture.Data);
}
}
public class J2KDecodeFileCache
@ -656,7 +696,7 @@ namespace OpenSim.Region.CoreModules.Agent.TextureSender
{
File.Delete(f.Name);
decode(AssetIdFromFileName(f.Name));
System.Threading.Thread.Sleep(2000);
System.Threading.Thread.Sleep(5000);
}
}
}

2
bin/OpenSim.ini.example
View File

@ -1371,7 +1371,7 @@
[J2KDecoder]
;CacheDir = "./j2kDecodeCache"
;CacheTimeout = 60
;CacheTimeout = 720
;;
;; These are defaults that are overwritten below in [Architecture].