125 lines
4.3 KiB
C#
125 lines
4.3 KiB
C#
/*
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* Copyright (c) Contributors, http://www.openmetaverse.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 OpenSim 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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*/
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using System;
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using System.IO;
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using System.Threading;
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using System.Reflection;
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using libsecondlife;
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using Nini.Config;
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using OpenSim.Framework.Console;
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using OpenSim.Framework.Interfaces;
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using OpenSim.Framework.Types;
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using OpenSim.Framework.Utilities;
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namespace OpenSim.Framework.Communications.Cache
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{
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public class SQLAssetServer : AssetServerBase
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{
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public SQLAssetServer(string pluginName)
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{
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_assetRequests = new BlockingQueue<ARequest>();
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AddPlugin(pluginName);
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}
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public SQLAssetServer(IAssetProvider assetProvider)
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{
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m_assetProviderPlugin = assetProvider;
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}
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public void AddPlugin(string FileName)
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{
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MainLog.Instance.Verbose("SQLAssetServer", "AssetStorage: Attempting to load " + FileName);
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Assembly pluginAssembly = Assembly.LoadFrom(FileName);
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foreach (Type pluginType in pluginAssembly.GetTypes())
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{
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if (!pluginType.IsAbstract)
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{
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Type typeInterface = pluginType.GetInterface("IAssetProvider", true);
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if (typeInterface != null)
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{
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IAssetProvider plug = (IAssetProvider)Activator.CreateInstance(pluginAssembly.GetType(pluginType.ToString()));
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m_assetProviderPlugin = plug;
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m_assetProviderPlugin.Initialise();
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MainLog.Instance.Verbose("AssetStorage: Added " + m_assetProviderPlugin.Name + " " + m_assetProviderPlugin.Version);
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}
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typeInterface = null;
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}
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}
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pluginAssembly = null;
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}
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public override void Close()
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{
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base.Close();
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m_assetProviderPlugin.CommitAssets();
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}
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override protected void RunRequests()
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{
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while (true)
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{
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ARequest req = this._assetRequests.Dequeue();
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MainLog.Instance.Verbose("Requesting asset: " + req.AssetID);
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AssetBase asset = null;
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lock (syncLock)
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{
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asset = m_assetProviderPlugin.FetchAsset(req.AssetID);
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}
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if (asset != null)
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{
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_receiver.AssetReceived(asset, req.IsTexture);
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}
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else
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{
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_receiver.AssetNotFound(req.AssetID);
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}
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}
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}
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protected override void StoreAsset(AssetBase asset)
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{
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m_assetProviderPlugin.CreateAsset(asset);
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}
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protected override void CommitAssets()
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{
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m_assetProviderPlugin.CommitAssets();
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}
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}
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} |