264 lines
8.8 KiB
C#
264 lines
8.8 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 Nini.Config;
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using System;
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using System.Collections.Generic;
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using System.Collections.Specialized;
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using System.Reflection;
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using System.Web;
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using OpenSim.Framework;
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using OpenSim.Services.Interfaces;
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using OpenSim.Services.Connectors.Hypergrid;
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using OpenSim.Services.Connectors.SimianGrid;
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using OpenMetaverse;
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namespace OpenSim.Services.Connectors
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{
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public class HGAssetServiceConnector : IAssetService
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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 Dictionary<IAssetService, object> m_endpointSerializer = new Dictionary<IAssetService, object>();
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private object EndPointLock(IAssetService connector)
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{
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lock (m_endpointSerializer)
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{
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object eplock = null;
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if (! m_endpointSerializer.TryGetValue(connector, out eplock))
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{
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eplock = new object();
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m_endpointSerializer.Add(connector, eplock);
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// m_log.WarnFormat("[WEB UTIL] add a new host to end point serializer {0}",endpoint);
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}
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return eplock;
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}
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}
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private Dictionary<string, IAssetService> m_connectors = new Dictionary<string, IAssetService>();
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public HGAssetServiceConnector(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("AssetServices", "");
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IConfig assetConfig = source.Configs["AssetService"];
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if (assetConfig == null)
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{
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m_log.Error("[HG ASSET SERVICE]: AssetService missing from OpenSim.ini");
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return;
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}
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m_log.Info("[HG ASSET SERVICE]: HG asset service enabled");
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}
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}
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private IAssetService GetConnector(string url)
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{
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IAssetService connector = null;
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lock (m_connectors)
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{
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if (m_connectors.ContainsKey(url))
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{
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connector = m_connectors[url];
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}
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else
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{
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// Still not as flexible as I would like this to be,
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// but good enough for now
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string connectorType = new HeloServicesConnector(url).Helo();
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m_log.DebugFormat("[HG ASSET SERVICE]: HELO returned {0}", connectorType);
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if (connectorType == "opensim-simian")
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{
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connector = new SimianAssetServiceConnector(url);
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}
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else
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connector = new AssetServicesConnector(url);
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m_connectors.Add(url, connector);
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}
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}
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return connector;
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}
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public AssetBase Get(string id)
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{
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string url = string.Empty;
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string assetID = string.Empty;
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if (Util.ParseForeignAssetID(id, out url, out assetID))
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{
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IAssetService connector = GetConnector(url);
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return connector.Get(assetID);
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}
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return null;
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}
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public AssetBase GetCached(string id)
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{
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string url = string.Empty;
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string assetID = string.Empty;
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if (Util.ParseForeignAssetID(id, out url, out assetID))
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{
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IAssetService connector = GetConnector(url);
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return connector.GetCached(assetID);
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}
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return null;
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}
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public AssetMetadata GetMetadata(string id)
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{
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string url = string.Empty;
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string assetID = string.Empty;
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if (Util.ParseForeignAssetID(id, out url, out assetID))
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{
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IAssetService connector = GetConnector(url);
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return connector.GetMetadata(assetID);
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}
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return null;
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}
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public byte[] GetData(string id)
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{
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return null;
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}
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public bool Get(string id, Object sender, AssetRetrieved handler)
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{
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string url = string.Empty;
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string assetID = string.Empty;
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if (Util.ParseForeignAssetID(id, out url, out assetID))
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{
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IAssetService connector = GetConnector(url);
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return connector.Get(assetID, sender, handler);
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}
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return false;
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}
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private struct AssetAndIndex
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{
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public UUID assetID;
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public int index;
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public AssetAndIndex(UUID assetID, int index)
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{
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this.assetID = assetID;
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this.index = index;
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}
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}
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public virtual bool[] AssetsExist(string[] ids)
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{
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// This method is a bit complicated because it works even if the assets belong to different
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// servers; that requires sending separate requests to each server.
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// Group the assets by the server they belong to
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var url2assets = new Dictionary<string, List<AssetAndIndex>>();
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for (int i = 0; i < ids.Length; i++)
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{
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string url = string.Empty;
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string assetID = string.Empty;
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if (Util.ParseForeignAssetID(ids[i], out url, out assetID))
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{
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if (!url2assets.ContainsKey(url))
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url2assets.Add(url, new List<AssetAndIndex>());
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url2assets[url].Add(new AssetAndIndex(UUID.Parse(assetID), i));
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}
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}
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// Query each of the servers in turn
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bool[] exist = new bool[ids.Length];
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foreach (string url in url2assets.Keys)
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{
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IAssetService connector = GetConnector(url);
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lock (EndPointLock(connector))
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{
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List<AssetAndIndex> curAssets = url2assets[url];
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string[] assetIDs = curAssets.ConvertAll(a => a.assetID.ToString()).ToArray();
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bool[] curExist = connector.AssetsExist(assetIDs);
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int i = 0;
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foreach (AssetAndIndex ai in curAssets)
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{
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exist[ai.index] = curExist[i];
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++i;
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}
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}
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}
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return exist;
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}
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public string Store(AssetBase asset)
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{
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string url = string.Empty;
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string assetID = string.Empty;
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if (Util.ParseForeignAssetID(asset.ID, out url, out assetID))
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{
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IAssetService connector = GetConnector(url);
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// Restore the assetID to a simple UUID
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asset.ID = assetID;
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lock (EndPointLock(connector))
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return connector.Store(asset);
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}
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return String.Empty;
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}
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public bool UpdateContent(string id, byte[] data)
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{
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return false;
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}
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public bool Delete(string id)
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{
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return false;
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}
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}
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}
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