2007-12-11 01:26:06 +00:00
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/*
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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 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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2007-10-19 20:28:18 +00:00
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Threading;
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2007-11-17 05:53:12 +00:00
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using System.Xml;
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2007-10-19 20:28:18 +00:00
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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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namespace OpenSim.Framework.Communications.Cache
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{
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public abstract class AssetServerBase : IAssetServer
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{
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protected IAssetReceiver _receiver;
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2007-12-14 08:47:15 +00:00
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protected BlockingQueue<AssetRequest> _assetRequests;
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2007-10-19 20:28:18 +00:00
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protected Thread _localAssetServerThread;
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protected IAssetProvider m_assetProviderPlugin;
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protected object syncLock = new object();
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2007-10-29 21:46:25 +00:00
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2007-10-19 20:28:18 +00:00
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protected abstract void StoreAsset(AssetBase asset);
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protected abstract void CommitAssets();
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2007-12-19 18:05:45 +00:00
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/// <summary>
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/// This method must be implemented by a subclass to retrieve the asset named in the
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/// AssetRequest. If the asset is not found, null should be returned.
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/// </summary>
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/// <param name="req"></param>
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/// <returns></returns>
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2007-12-27 14:00:30 +00:00
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protected abstract AssetBase GetAsset(AssetRequest req);
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2007-12-19 18:05:45 +00:00
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/// <summary>
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2007-12-27 14:00:30 +00:00
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/// Process an asset request. This method will call GetAsset(AssetRequest req)
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2007-12-19 18:05:45 +00:00
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/// on the subclass.
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/// </summary>
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/// <param name="req"></param>
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2007-12-27 14:00:30 +00:00
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protected virtual void ProcessRequest(AssetRequest req)
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2007-12-19 18:05:45 +00:00
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{
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2007-12-27 14:00:30 +00:00
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AssetBase asset = GetAsset(req);
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2007-12-19 18:05:45 +00:00
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if (asset != null)
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{
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MainLog.Instance.Verbose(
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"ASSET", "Asset {0} received from asset server", req.AssetID);
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2007-12-27 21:41:48 +00:00
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2007-12-19 18:05:45 +00:00
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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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MainLog.Instance.Error(
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"ASSET", "Asset {0} not found by asset server", req.AssetID);
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_receiver.AssetNotFound(req.AssetID);
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}
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}
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2007-10-29 21:46:25 +00:00
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2007-10-19 20:28:18 +00:00
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public void LoadDefaultAssets()
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{
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2007-11-06 11:10:45 +00:00
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MainLog.Instance.Verbose("ASSETSERVER", "Setting up asset database");
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2007-10-19 20:28:18 +00:00
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2007-10-29 21:46:25 +00:00
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ForEachDefaultAsset(StoreAsset);
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ForEachXmlAsset(StoreAsset);
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2007-10-19 20:28:18 +00:00
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CommitAssets();
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}
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public AssetServerBase()
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2007-10-22 15:37:54 +00:00
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{
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2007-10-30 09:05:31 +00:00
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MainLog.Instance.Verbose("ASSETSERVER", "Starting asset storage system");
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2007-12-14 08:47:15 +00:00
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_assetRequests = new BlockingQueue<AssetRequest>();
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2007-10-29 21:46:25 +00:00
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2007-10-30 09:05:31 +00:00
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_localAssetServerThread = new Thread(RunRequests);
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_localAssetServerThread.IsBackground = true;
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_localAssetServerThread.Start();
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2007-10-19 20:28:18 +00:00
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}
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2007-12-14 08:47:15 +00:00
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private void RunRequests()
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{
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while (true) // Since it's a 'blocking queue'
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{
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try
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{
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AssetRequest req = _assetRequests.Dequeue();
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ProcessRequest(req);
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}
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2007-12-27 21:41:48 +00:00
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catch (Exception e)
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2007-12-14 08:47:15 +00:00
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{
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2007-12-27 21:41:48 +00:00
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MainLog.Instance.Error("ASSETSERVER", e.Message);
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2007-12-14 08:47:15 +00:00
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}
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}
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}
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2007-10-19 20:28:18 +00:00
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public void LoadAsset(AssetBase info, bool image, string filename)
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{
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//should request Asset from storage manager
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//but for now read from file
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string dataPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "assets"); //+ folder;
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string fileName = Path.Combine(dataPath, filename);
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FileInfo fInfo = new FileInfo(fileName);
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long numBytes = fInfo.Length;
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FileStream fStream = new FileStream(fileName, FileMode.Open, FileAccess.Read);
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byte[] idata = new byte[numBytes];
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BinaryReader br = new BinaryReader(fStream);
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2007-10-30 09:05:31 +00:00
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idata = br.ReadBytes((int) numBytes);
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2007-10-19 20:28:18 +00:00
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br.Close();
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fStream.Close();
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info.Data = idata;
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//info.loaded=true;
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}
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public void SetReceiver(IAssetReceiver receiver)
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{
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2007-10-30 09:05:31 +00:00
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_receiver = receiver;
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2007-10-19 20:28:18 +00:00
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}
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2007-11-01 17:28:38 +00:00
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public void RequestAsset(LLUUID assetID, bool isTexture)
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2007-10-19 20:28:18 +00:00
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{
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2007-12-14 08:47:15 +00:00
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AssetRequest req = new AssetRequest();
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2007-10-19 20:28:18 +00:00
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req.AssetID = assetID;
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req.IsTexture = isTexture;
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2007-10-30 09:05:31 +00:00
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_assetRequests.Enqueue(req);
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2007-12-27 21:41:48 +00:00
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2007-12-19 18:05:45 +00:00
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MainLog.Instance.Verbose("ASSET", "Added {0} to request queue", assetID);
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2007-10-19 20:28:18 +00:00
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}
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2007-11-01 15:54:59 +00:00
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public virtual void UpdateAsset(AssetBase asset)
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2007-10-19 20:28:18 +00:00
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{
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lock (syncLock)
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{
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m_assetProviderPlugin.UpdateAsset(asset);
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m_assetProviderPlugin.CommitAssets();
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}
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}
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public void StoreAndCommitAsset(AssetBase asset)
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{
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lock (syncLock)
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{
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StoreAsset(asset);
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CommitAssets();
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}
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}
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public virtual void Close()
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2007-10-29 21:46:25 +00:00
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{
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_localAssetServerThread.Abort();
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}
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2007-10-19 20:28:18 +00:00
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public void SetServerInfo(string ServerUrl, string ServerKey)
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{
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}
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public virtual List<AssetBase> GetDefaultAssets()
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{
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List<AssetBase> assets = new List<AssetBase>();
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return assets;
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}
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public AssetBase CreateImageAsset(string assetIdStr, string name, string filename)
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{
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return CreateAsset(assetIdStr, name, filename, true);
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}
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public void ForEachDefaultAsset(Action<AssetBase> action)
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{
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List<AssetBase> assets = GetDefaultAssets();
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assets.ForEach(action);
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}
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public AssetBase CreateAsset(string assetIdStr, string name, string filename, bool isImage)
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{
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AssetBase asset = new AssetBase(
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new LLUUID(assetIdStr),
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name
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);
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if (!String.IsNullOrEmpty(filename))
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{
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2007-10-29 21:46:25 +00:00
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MainLog.Instance.Verbose("ASSETS", "Loading: [{0}][{1}]", name, filename);
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2007-10-19 20:28:18 +00:00
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LoadAsset(asset, isImage, filename);
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}
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else
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{
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2007-10-29 21:46:25 +00:00
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MainLog.Instance.Verbose("ASSETS", "Instantiated: [{0}]", name);
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2007-10-19 20:28:18 +00:00
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}
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return asset;
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}
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public void ForEachXmlAsset(Action<AssetBase> action)
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{
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2007-10-29 14:37:08 +00:00
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List<AssetBase> assets = new List<AssetBase>();
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2007-10-29 21:46:25 +00:00
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// System.Console.WriteLine("trying loading asset into database");
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2007-10-19 20:28:18 +00:00
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string filePath = Path.Combine(Util.configDir(), "OpenSimAssetSet.xml");
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if (File.Exists(filePath))
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{
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2007-11-17 05:53:12 +00:00
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try
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{
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XmlConfigSource source = new XmlConfigSource(filePath);
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for (int i = 0; i < source.Configs.Count; i++)
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{
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// System.Console.WriteLine("loading asset into database");
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2007-12-20 05:43:02 +00:00
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string assetIdStr = source.Configs[i].GetString("assetID", LLUUID.Random().ToString());
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2007-11-17 05:53:12 +00:00
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string name = source.Configs[i].GetString("name", "");
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sbyte type = (sbyte) source.Configs[i].GetInt("assetType", 0);
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sbyte invType = (sbyte) source.Configs[i].GetInt("inventoryType", 0);
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string fileName = source.Configs[i].GetString("fileName", "");
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AssetBase newAsset = CreateAsset(assetIdStr, name, fileName, false);
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newAsset.Type = type;
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newAsset.InvType = invType;
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assets.Add(newAsset);
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}
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}
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catch (XmlException e)
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2007-10-19 20:28:18 +00:00
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{
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2007-11-17 05:53:12 +00:00
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MainLog.Instance.Error("ASSETS", "Error loading " + filePath + ": " + e.ToString());
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2007-10-19 20:28:18 +00:00
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}
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}
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2007-10-29 14:37:08 +00:00
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assets.ForEach(action);
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2007-10-19 20:28:18 +00:00
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}
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}
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2007-12-27 21:41:48 +00:00
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}
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