Remove the old asset cache and local services and the configurations for them

2 files changed, 0 insertions, 808 deletions

diff --git a/OpenSim/Framework/Communications/Cache/AssetCache.cs b/OpenSim/Framework/Communications/Cache/AssetCache.cs
deleted file mode 100644
index 7d25ca9..0000000
--- a/OpenSim/Framework/Communications/Cache/AssetCache.cs
+++ /dev/null
@@ -1,695 +0,0 @@
-/*
- * Copyright (c) Contributors, http://opensimulator.org/
- * See CONTRIBUTORS.TXT for a full list of copyright holders.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in the
- *       documentation and/or other materials provided with the distribution.
- *     * Neither the name of the OpenSim Project nor the
- *       names of its contributors may be used to endorse or promote products
- *       derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-using System;
-using System.Collections.Generic;
-using System.Reflection;
-using System.Text.RegularExpressions;
-using System.Threading;
-using GlynnTucker.Cache;
-using log4net;
-using OpenMetaverse;
-using OpenMetaverse.Packets;
-using OpenSim.Framework.Statistics;
-using System.Text;
-
-namespace OpenSim.Framework.Communications.Cache
-{
-    /// <summary>
-    /// Manages local cache of assets and their sending to viewers.
-    /// </summary>
-    ///
-    /// This class actually encapsulates two largely separate mechanisms.  One mechanism fetches assets either
-    /// synchronously or async and passes the data back to the requester.  The second mechanism fetches assets and
-    /// sends packetised data directly back to the client.  The only point where they meet is AssetReceived() and
-    /// AssetNotFound(), which means they do share the same asset and texture caches.
-    public class AssetCache : IAssetCache
-    {
-        private static readonly ILog m_log
-            = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
-        
-        protected ICache m_memcache = new SimpleMemoryCache();
-
-        /// <value>
-        /// Assets requests which are waiting for asset server data.  This includes texture requests
-        /// </value>
-        private Dictionary<UUID, AssetRequest> RequestedAssets;
-
-        /// <value>
-        /// Asset requests with data which are ready to be sent back to requesters.  This includes textures.
-        /// </value>
-        private List<AssetRequest> AssetRequests;
-
-        /// <value>
-        /// Until the asset request is fulfilled, each asset request is associated with a list of requesters
-        /// </value>
-        private Dictionary<UUID, AssetRequestsList> RequestLists;   
-        
-        #region IPlugin
-
-        /// <summary>
-        /// The methods and properties in this section are needed to
-        /// support the IPlugin interface. They cann all be overridden
-        /// as needed by a derived class.
-        /// </summary>
-
-        public virtual string Name
-        {
-            get { return "OpenSim.Framework.Communications.Cache.AssetCache"; }
-        }
-
-        public virtual string Version
-        {
-            get { return "1.0"; }
-        }
-
-        public virtual void Initialise()
-        {
-            m_log.Debug("[ASSET CACHE]: Asset cache null initialisation");
-        }
-
-        public virtual void Initialise(IAssetServer assetServer)
-        {
-            m_log.Debug("[ASSET CACHE]: Asset cache server-specified initialisation");
-            m_log.InfoFormat("[ASSET CACHE]: Asset cache initialisation [{0}/{1}]", Name, Version);
-
-            Reset();
-
-            m_assetServer = assetServer;
-            m_assetServer.SetReceiver(this);
-
-            Thread assetCacheThread = new Thread(RunAssetManager);
-            assetCacheThread.Name = "AssetCacheThread";
-            assetCacheThread.IsBackground = true;
-            assetCacheThread.Start();
-            ThreadTracker.Add(assetCacheThread);
-        }
-
-        public virtual void Initialise(ConfigSettings settings, IAssetServer assetServer)
-        {
-            m_log.Debug("[ASSET CACHE]: Asset cache configured initialisation");
-            Initialise(assetServer);
-        }
-
-        public void Dispose()
-        {
-        }
-
-        #endregion     
-
-        public IAssetServer AssetServer
-        {
-            get { return m_assetServer; }
-        }
-        private IAssetServer m_assetServer;
-        
-        public AssetCache()
-        {
-            m_log.Debug("[ASSET CACHE]: Asset cache (plugin constructor)");
-        }        
-        
-        /// <summary>
-        /// Constructor.
-        /// </summary>
-        /// <param name="assetServer"></param>
-        public AssetCache(IAssetServer assetServer)
-        {
-            Initialise(assetServer);
-        }        
-
-        public void ShowState()
-        {
-            m_log.InfoFormat("Memcache:{0}   RequestLists:{1}",
-                m_memcache.Count,
-              //   AssetRequests.Count,
-              //    RequestedAssets.Count,
-                RequestLists.Count);
-        }
-
-        public void Clear()
-        {
-            m_log.Info("[ASSET CACHE]: Clearing Asset cache");
-
-            if (StatsManager.SimExtraStats != null)
-                StatsManager.SimExtraStats.ClearAssetCacheStatistics();
-
-            Reset();
-        }
-
-        /// <summary>
-        /// Reset the cache.
-        /// </summary>
-        private void Reset()
-        {
-            AssetRequests = new List<AssetRequest>();
-            RequestedAssets = new Dictionary<UUID, AssetRequest>();
-            RequestLists = new Dictionary<UUID, AssetRequestsList>();
-        }
-
-        /// <summary>
-        /// Process the asset queue which holds data which is packeted up and sent
-        /// directly back to the client.
-        /// </summary>
-        private void RunAssetManager()
-        {
-            while (true)
-            {
-                try
-                {
-                    ProcessAssetQueue();
-                    Thread.Sleep(500);
-                }
-                catch (Exception e)
-                {
-                    if (e != null) 
-                    {
-                        m_log.ErrorFormat("[ASSET CACHE]: {0}", e);
-                    } 
-                    else 
-                    {
-                        // this looks weird, but we've seen this show up as an issue in unit tests, so leave it here until we know why
-                        m_log.Error("[ASSET CACHE]: an exception was thrown in RunAssetManager, but is now null.  Something is very wrong.");
-                    }
-                }
-            }
-        }
-
-        public bool TryGetCachedAsset(UUID assetId, out AssetBase asset)
-        {
-            Object tmp;
-            if (m_memcache.TryGet(assetId, out tmp))
-            {
-                asset = (AssetBase)tmp;
-                //m_log.Info("Retrieved from cache " + assetId);
-                return true;
-            }
-
-            asset = null;
-            return false;
-        }
-
-        public void GetAsset(UUID assetId, AssetRequestCallback callback, bool isTexture)
-        {
-            //m_log.DebugFormat("[ASSET CACHE]: Requesting {0} {1}", isTexture ? "texture" : "asset", assetId);
-
-            // Xantor 20080526:
-            // if a request is made for an asset which is not in the cache yet, but has already been requested by
-            // something else, queue up the callbacks on that requestor instead of swamping the assetserver
-            // with multiple requests for the same asset.
-
-            AssetBase asset;
-
-            if (TryGetCachedAsset(assetId, out asset))
-            {
-                callback(assetId, asset);
-            }
-            else
-            {
-                // m_log.DebugFormat("[ASSET CACHE]: Adding request for {0} {1}", isTexture ? "texture" : "asset", assetId);
-
-                NewAssetRequest req = new NewAssetRequest(callback);
-                AssetRequestsList requestList;
-
-                lock (RequestLists)
-                {
-                    if (RequestLists.TryGetValue(assetId, out requestList)) // do we already have a request pending?
-                    {
-                        // m_log.DebugFormat("[ASSET CACHE]: Intercepted Duplicate request for {0} {1}", isTexture ? "texture" : "asset", assetId);
-                        // add to callbacks for this assetId
-                        RequestLists[assetId].Requests.Add(req);
-                    }
-                    else
-                    {
-                        // m_log.DebugFormat("[ASSET CACHE]: Adding request for {0} {1}", isTexture ? "texture" : "asset", assetId);
-                        requestList = new AssetRequestsList();
-                        requestList.TimeRequested = DateTime.Now;
-                        requestList.Requests.Add(req);
-
-                        RequestLists.Add(assetId, requestList);
-
-                        m_assetServer.RequestAsset(assetId, isTexture);
-                    }
-                }
-            }
-        }
-
-        public AssetBase GetAsset(UUID assetID, bool isTexture)
-        {
-            // I'm not going over 3 seconds since this will be blocking processing of all the other inbound
-            // packets from the client.
-            const int pollPeriod = 200;
-            int maxPolls = 15;
-
-            AssetBase asset;
-
-            if (TryGetCachedAsset(assetID, out asset))
-            {
-                return asset;
-            }
-
-            m_assetServer.RequestAsset(assetID, isTexture);
-
-            do
-            {
-                Thread.Sleep(pollPeriod);
-
-                if (TryGetCachedAsset(assetID, out asset))
-                {
-                    return asset;
-                }
-            }
-            while (--maxPolls > 0);
-
-            m_log.WarnFormat("[ASSET CACHE]: {0} {1} was not received before the retrieval timeout was reached",
-                             isTexture ? "texture" : "asset", assetID.ToString());
-
-            return null;
-        }
-
-        public void AddAsset(AssetBase asset)
-        {
-            if (!m_memcache.Contains(asset.FullID))
-            {
-                m_log.Info("[CACHE] Caching " + asset.FullID + " for 24 hours from last access");
-                // Use 24 hour rolling asset cache.
-                m_memcache.AddOrUpdate(asset.FullID, asset, TimeSpan.FromHours(24));
-
-                // According to http://wiki.secondlife.com/wiki/AssetUploadRequest, Local signifies that the
-                // information is stored locally.  It could disappear, in which case we could send the
-                // ImageNotInDatabase packet to tell the client this.
-                //
-                // However, this doesn't quite appear to work with local textures that are part of an avatar's
-                // appearance texture set.  Whilst sending an ImageNotInDatabase does trigger an automatic rebake
-                // and reupload by the client, if those assets aren't pushed to the asset server anyway, then
-                // on crossing onto another region server, other avatars can no longer get the required textures.
-                // There doesn't appear to be any signal from the sim to the newly region border crossed client
-                // asking it to reupload its local texture assets to that region server.
-                //
-                // One can think of other cunning ways around this.  For instance, on a region crossing or teleport,
-                // the original sim could squirt local assets to the new sim.  Or the new sim could have pointers
-                // to the original sim to fetch the 'local' assets (this is getting more complicated).
-                //
-                // But for now, we're going to take the easy way out and store local assets globally.
-                //
-                // TODO: Also, Temporary is now deprecated.  We should start ignoring it and not passing it out from LLClientView.
-                if (!asset.Temporary || asset.Local)
-                {
-                    m_assetServer.StoreAsset(asset);
-                }
-                
-                if (StatsManager.SimExtraStats != null)
-                    StatsManager.SimExtraStats.AddAsset(asset);                
-            }
-        }
-
-        public void ExpireAsset(UUID uuid)
-        {
-            if (m_memcache.Contains(uuid))
-            {
-                m_memcache.Remove(uuid);
-
-                if (StatsManager.SimExtraStats != null)
-                    StatsManager.SimExtraStats.RemoveAsset(uuid);                
-            }
-        }
-
-        // See IAssetReceiver
-        public virtual void AssetReceived(AssetBase asset, bool IsTexture)
-        {
-            AssetInfo assetInf = new AssetInfo(asset);
-
-            ProcessReceivedAsset(IsTexture, assetInf, null);
-
-            if (!m_memcache.Contains(assetInf.FullID))
-            {
-                m_memcache.AddOrUpdate(assetInf.FullID, assetInf, TimeSpan.FromHours(24));
-
-                if (StatsManager.SimExtraStats != null)
-                    StatsManager.SimExtraStats.AddAsset(assetInf);
-
-                if (RequestedAssets.ContainsKey(assetInf.FullID))
-                {
-                    AssetRequest req = RequestedAssets[assetInf.FullID];
-                    req.AssetInf = assetInf;
-                    req.NumPackets = CalculateNumPackets(assetInf.Data);
-
-                    RequestedAssets.Remove(assetInf.FullID);
-            
-                    if (req.AssetRequestSource == 2 && assetInf.Type == 10)
-                    {
-                        // If it's a direct request for a script, drop it
-                        // because it's a hacked client
-                    }
-                    else
-                    {
-                        lock (AssetRequests)
-                        {
-                            AssetRequests.Add(req);
-                        }
-                    }
-                }
-            }
-
-            // Notify requesters for this asset
-            AssetRequestsList reqList;
-
-            lock (RequestLists)
-            {
-                if (RequestLists.TryGetValue(asset.FullID, out reqList))
-                    RequestLists.Remove(asset.FullID);
-            }
-
-            if (reqList != null)
-            {
-                if (StatsManager.SimExtraStats != null)
-                    StatsManager.SimExtraStats.AddAssetRequestTimeAfterCacheMiss(DateTime.Now - reqList.TimeRequested);
-
-                foreach (NewAssetRequest req in reqList.Requests)
-                {
-                    // Xantor 20080526 are we really calling all the callbacks if multiple queued for 1 request? -- Yes, checked
-                    // m_log.DebugFormat("[ASSET CACHE]: Callback for asset {0}", asset.FullID);
-                    req.Callback(asset.FullID, asset);
-                }
-            }
-        }
-
-        protected void ProcessReceivedAsset(bool IsTexture, AssetInfo assetInf, IUserService userService)
-        {            
-            // if (!IsTexture && assetInf.ContainsReferences && false)
-            // {
-            //     assetInf.Data = ProcessAssetData(assetInf.Data, userService);
-            // }
-        }
-
-        // See IAssetReceiver
-        public virtual void AssetNotFound(UUID assetId, bool isTexture)
-        {
-//            m_log.WarnFormat("[ASSET CACHE]: AssetNotFound for {0}", assetId);
-
-            // Remember the fact that this asset could not be found to prevent delays from repeated requests
-            m_memcache.Add(assetId, null, TimeSpan.FromHours(24));
-
-            // Notify requesters for this asset
-            AssetRequestsList reqList;
-            lock (RequestLists)
-            {
-                if (RequestLists.TryGetValue(assetId, out reqList))
-                    RequestLists.Remove(assetId);
-            }
-
-            if (reqList != null)
-            {
-                if (StatsManager.SimExtraStats != null)
-                    StatsManager.SimExtraStats.AddAssetRequestTimeAfterCacheMiss(DateTime.Now - reqList.TimeRequested);
-
-                foreach (NewAssetRequest req in reqList.Requests)
-                {
-                    req.Callback(assetId, null);
-                }
-            }
-        }
-
-        /// <summary>
-        /// Calculate the number of packets required to send the asset to the client.
-        /// </summary>
-        /// <param name="data"></param>
-        /// <returns></returns>
-        private static int CalculateNumPackets(byte[] data)
-        {
-            const uint m_maxPacketSize = 600;
-            int numPackets = 1;
-
-            if (data.LongLength > m_maxPacketSize)
-            {
-                // over max number of bytes so split up file
-                long restData = data.LongLength - m_maxPacketSize;
-                int restPackets = (int)((restData + m_maxPacketSize - 1) / m_maxPacketSize);
-                numPackets += restPackets;
-            }
-
-            return numPackets;
-        }
-
-        public void AddAssetRequest(IClientAPI userInfo, TransferRequestPacket transferRequest)
-        {
-            UUID requestID = UUID.Zero;
-            byte source = 2;
-            if (transferRequest.TransferInfo.SourceType == 2)
-            {
-                //direct asset request
-                requestID = new UUID(transferRequest.TransferInfo.Params, 0);
-            }
-            else if (transferRequest.TransferInfo.SourceType == 3)
-            {
-                //inventory asset request
-                requestID = new UUID(transferRequest.TransferInfo.Params, 80);
-                source = 3;
-                //m_log.Debug("asset request " + requestID);
-            }
-
-            //check to see if asset is in local cache, if not we need to request it from asset server.
-            //m_log.Debug("asset request " + requestID);
-            if (!m_memcache.Contains(requestID))
-            {
-                //not found asset
-                // so request from asset server
-                if (!RequestedAssets.ContainsKey(requestID))
-                {
-                    AssetRequest request = new AssetRequest();
-                    request.RequestUser = userInfo;
-                    request.RequestAssetID = requestID;
-                    request.TransferRequestID = transferRequest.TransferInfo.TransferID;
-                    request.AssetRequestSource = source;
-                    request.Params = transferRequest.TransferInfo.Params;
-                    RequestedAssets.Add(requestID, request);
-                    m_assetServer.RequestAsset(requestID, false);
-                }
-
-                return;
-            }
-
-            // It has an entry in our cache
-            AssetBase asset = (AssetBase)m_memcache[requestID];
-
-            // FIXME: We never tell the client about assets which do not exist when requested by this transfer mechanism, which can't be right.
-            if (null == asset)
-            {
-                //m_log.DebugFormat("[ASSET CACHE]: Asset transfer request for asset which is {0} already known to be missing.  Dropping", requestID);
-                return;
-            }
-
-            // Scripts cannot be retrieved by direct request
-            if (transferRequest.TransferInfo.SourceType == 2 && asset.Type == 10)
-                return;
-
-            // The asset is knosn to exist and is in our cache, so add it to the AssetRequests list
-            AssetRequest req = new AssetRequest();
-            req.RequestUser = userInfo;
-            req.RequestAssetID = requestID;
-            req.TransferRequestID = transferRequest.TransferInfo.TransferID;
-            req.AssetRequestSource = source;
-            req.Params = transferRequest.TransferInfo.Params;
-            req.AssetInf = new AssetInfo(asset);
-            req.NumPackets = CalculateNumPackets(asset.Data);
-            lock (AssetRequests) 
-            {
-                AssetRequests.Add(req);
-            }
-        }
-
-        /// <summary>
-        /// Process the asset queue which sends packets directly back to the client.
-        /// </summary>
-        private void ProcessAssetQueue()
-        {
-            //should move the asset downloading to a module, like has been done with texture downloading
-            if (AssetRequests.Count == 0)
-            {
-                //no requests waiting
-                return;
-            }
-
-            // if less than 5, do all of them
-            int num = Math.Min(5, AssetRequests.Count);
-
-            AssetRequest req;
-            AssetRequestToClient req2 = new AssetRequestToClient();
-
-            lock (AssetRequests)
-            {
-                for (int i = 0; i < num; i++)
-                {
-                   req = AssetRequests[0];
-                   AssetRequests.RemoveAt(0);
-                   req2.AssetInf = req.AssetInf;
-                   req2.AssetRequestSource = req.AssetRequestSource;
-                   req2.DataPointer = req.DataPointer;
-                   req2.DiscardLevel = req.DiscardLevel;
-                   req2.ImageInfo = req.ImageInfo;
-                   req2.IsTextureRequest = req.IsTextureRequest;
-                   req2.NumPackets = req.NumPackets;
-                   req2.PacketCounter = req.PacketCounter;
-                   req2.Params = req.Params;
-                   req2.RequestAssetID = req.RequestAssetID;
-                   req2.TransferRequestID = req.TransferRequestID;
-                   req.RequestUser.SendAsset(req2);
-                }
-            }
-        }
-
-        public byte[] ProcessAssetData(byte[] assetData, IUserService userService)
-        {
-            string data = Encoding.ASCII.GetString(assetData);
-
-            data = ProcessAssetDataString(data, userService);
-
-            return Encoding.ASCII.GetBytes(data);
-        }
-
-        public string ProcessAssetDataString(string data, IUserService userService)
-        {
-            Regex regex = new Regex("(creator_url|owner_url)\\s+(\\S+)");
-
-            data = regex.Replace(data, delegate(Match m)
-            {
-                string result = String.Empty;
-
-                string key = m.Groups[1].Captures[0].Value;
-
-                string value = m.Groups[2].Captures[0].Value;
-
-                Uri userUri;
-
-                switch (key)
-                {
-                    case "creator_url":
-                        userUri = new Uri(value);
-                        result = "creator_id " + ResolveUserUri(userService, userUri);
-                        break;
-
-                    case "owner_url":
-                        userUri = new Uri(value);
-                        result = "owner_id " + ResolveUserUri(userService, userUri);
-                        break;
-                }
-
-                return result;
-            });
-
-            return data;
-        }
-
-        private Guid ResolveUserUri(IUserService userService, Uri userUri)
-        {
-            Guid id;
-            UserProfileData userProfile = userService.GetUserProfile(userUri);
-            if (userProfile == null)
-            {
-                id = Guid.Empty;
-            }
-            else
-            {
-                id = userProfile.ID.Guid;
-            }
-            return id;
-        }
-
-
-        public class AssetRequest
-        {
-            public IClientAPI RequestUser;
-            public UUID RequestAssetID;
-            public AssetInfo AssetInf;
-            public TextureImage ImageInfo;
-            public UUID TransferRequestID;
-            public long DataPointer = 0;
-            public int NumPackets = 0;
-            public int PacketCounter = 0;
-            public bool IsTextureRequest;
-            public byte AssetRequestSource = 2;
-            public byte[] Params = null;
-            //public bool AssetInCache;
-            //public int TimeRequested;
-            public int DiscardLevel = -1;
-        }
-
-        public class AssetInfo : AssetBase
-        {
-            public AssetInfo(AssetBase aBase)
-            {
-                Data = aBase.Data;
-                FullID = aBase.FullID;
-                Type = aBase.Type;
-                Name = aBase.Name;
-                Description = aBase.Description;
-            }
-
-            public const string Secret = "secret";
-        }
-
-        public class TextureImage : AssetBase
-        {
-            public TextureImage(AssetBase aBase)
-            {
-                Data = aBase.Data;
-                FullID = aBase.FullID;
-                Type = aBase.Type;
-                Name = aBase.Name;
-                Description = aBase.Description;
-            }
-        }
-
-        /// <summary>
-        /// A list of requests for a particular asset.
-        /// </summary>
-        public class AssetRequestsList
-        {
-            /// <summary>
-            /// A list of requests for assets
-            /// </summary>
-            public List<NewAssetRequest> Requests = new List<NewAssetRequest>();
-
-            /// <summary>
-            /// Record the time that this request was first made.
-            /// </summary>
-            public DateTime TimeRequested;
-        }
-
-        /// <summary>
-        /// Represent a request for an asset that has yet to be fulfilled.
-        /// </summary>
-        public class NewAssetRequest
-        {
-            public AssetRequestCallback Callback;
-
-            public NewAssetRequest(AssetRequestCallback callback)
-            {
-                Callback = callback;
-            }
-        }
-    }
-}
diff --git a/OpenSim/Framework/Communications/Cache/SQLAssetServer.cs b/OpenSim/Framework/Communications/Cache/SQLAssetServer.cs
deleted file mode 100644
index 227744d..0000000
--- a/OpenSim/Framework/Communications/Cache/SQLAssetServer.cs
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * Copyright (c) Contributors, http://www.openmetaverse.org/
- * See CONTRIBUTORS.TXT for a full list of copyright holders.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in the
- *       documentation and/or other materials provided with the distribution.
- *     * Neither the name of the OpenSim Project nor the
- *       names of its contributors may be used to endorse or promote products
- *       derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-using System;
-using System.Reflection;
-using log4net;
-using OpenSim.Data;
-
-namespace OpenSim.Framework.Communications.Cache
-{
-    public class SQLAssetServer : AssetServerBase
-    {
-        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
-
-        #region IPlugin
-
-        public override string Name
-        {
-            get { return "SQL"; }
-        }
-
-        public override string Version
-        {
-            get { return "1.0"; }
-        }
-
-        public override void Initialise(ConfigSettings p_set)
-        {
-            m_log.Debug("[SQLAssetServer]: Plugin configured initialisation");
-            Initialise(p_set.StandaloneAssetPlugin,p_set.StandaloneAssetSource);
-        }
-
-        #endregion
-
-        public SQLAssetServer() {}
-
-        public SQLAssetServer(string pluginName, string connect)
-        {
-            m_log.Debug("[SQLAssetServer]: Direct constructor");
-            Initialise(pluginName, connect);
-        }
-
-        public void Initialise(string pluginName, string connect)
-        {
-            AddPlugin(pluginName, connect);
-        }
-
-        public SQLAssetServer(IAssetDataPlugin assetProvider)
-        {
-            m_assetProvider = assetProvider;
-        }
-
-        public void AddPlugin(string FileName, string connect)
-        {
-            m_log.Info("[SQLAssetServer]: AssetStorage: Attempting to load " + FileName);
-            Assembly pluginAssembly = Assembly.LoadFrom(FileName);
-
-            foreach (Type pluginType in pluginAssembly.GetTypes())
-            {
-                if (!pluginType.IsAbstract)
-                {
-                    Type typeInterface = pluginType.GetInterface("IAssetDataPlugin", true);
-
-                    if (typeInterface != null)
-                    {
-                        IAssetDataPlugin plug =
-                            (IAssetDataPlugin) Activator.CreateInstance(pluginAssembly.GetType(pluginType.ToString()));
-                        m_assetProvider = plug;
-                        m_assetProvider.Initialise(connect);
-
-                        m_log.Info("[AssetStorage]: " +
-                                   "Added " + m_assetProvider.Name + " " +
-                                   m_assetProvider.Version);
-                    }
-                }
-            }
-        }
-
-        protected override AssetBase GetAsset(AssetRequest req)
-        {
-            return m_assetProvider.FetchAsset(req.AssetID);
-        }
-
-        public override void StoreAsset(AssetBase asset)
-        {
-            m_assetProvider.CreateAsset(asset);
-        }
-    }
-}