138 lines
4.4 KiB
C#
138 lines
4.4 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using log4net;
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using System;
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using System.IO;
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using System.Collections.Generic;
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using System.Reflection;
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using Mono.Addins;
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using Nini.Config;
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using OpenSim.Framework;
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using OpenSim.Region.Framework.Interfaces;
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using OpenSim.Region.Framework.Scenes;
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using OpenSim.Services.Interfaces;
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namespace OpenSim.Region.CoreModules.Asset
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{
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[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "CoreAssetCache")]
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public class CoreAssetCache : ISharedRegionModule, IImprovedAssetCache
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{
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private static readonly ILog m_log =
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LogManager.GetLogger(
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MethodBase.GetCurrentMethod().DeclaringType);
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private bool m_Enabled;
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private Cache m_Cache;
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public string Name
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{
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get { return "CoreAssetCache"; }
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}
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public Type ReplaceableInterface
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{
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get { return null; }
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}
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public void Initialise(IConfigSource source)
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{
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IConfig moduleConfig = source.Configs["Modules"];
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if (moduleConfig != null)
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{
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string name = moduleConfig.GetString("AssetCaching");
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//m_log.DebugFormat("[XXX] name = {0} (this module's name: {1}", name, Name);
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if (name == Name)
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{
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IConfig assetConfig = source.Configs["AssetCache"];
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if (assetConfig == null)
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{
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m_log.Error("[ASSET CACHE]: AssetCache missing from OpenSim.ini");
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return;
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}
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m_Cache = new Cache(CacheMedium.Memory, CacheStrategy.Aggressive, CacheFlags.AllowUpdate);
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m_Enabled = true;
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m_log.Info("[ASSET CACHE]: Core asset cache enabled");
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m_Cache.Size = assetConfig.GetInt("CacheBuckets", 32768);
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}
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}
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}
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public void PostInitialise()
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{
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}
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public void Close()
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{
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}
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public void AddRegion(Scene scene)
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{
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if (m_Enabled)
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scene.RegisterModuleInterface<IImprovedAssetCache>(this);
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}
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public void RemoveRegion(Scene scene)
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{
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}
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public void RegionLoaded(Scene scene)
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{
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}
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////////////////////////////////////////////////////////////
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// IImprovedAssetCache
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//
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public void Cache(AssetBase asset)
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{
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if (asset != null)
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m_Cache.Store(asset.ID, asset);
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}
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public AssetBase Get(string id)
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{
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return (AssetBase)m_Cache.Get(id);
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}
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public void Expire(string id)
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{
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m_Cache.Invalidate(id);
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}
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public void Clear()
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{
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m_Cache.Clear();
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}
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}
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}
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