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Move the connectors under services for reasons of application logic. Remove
the user server skeleton in preparation for introducing a generic server
This commit is contained in:
Melanie Thielker
@@ -31,8 +31,8 @@ using System;
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using System.Collections.Generic;
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using System.Reflection;
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using OpenSim.Framework;
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using OpenSim.Servers.Connectors;
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using OpenSim.Services.Interfaces;
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using OpenSim.Services.Connectors;
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namespace OpenSim.Services.AssetService
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{
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260
OpenSim/Services/Connectors/Asset/AssetServiceConnector.cs
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260
OpenSim/Services/Connectors/Asset/AssetServiceConnector.cs
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@@ -0,0 +1,260 @@
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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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using log4net;
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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.Reflection;
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using Nini.Config;
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using OpenSim.Framework;
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using OpenSim.Framework.Communications;
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using OpenSim.Framework.Servers.HttpServer;
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using OpenSim.Services.Interfaces;
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namespace OpenSim.Services.Connectors
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{
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public class AssetServicesConnector : 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 string m_ServerURI = String.Empty;
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private IImprovedAssetCache m_Cache = null;
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public AssetServicesConnector()
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{
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}
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public AssetServicesConnector(string serverURI)
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{
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m_ServerURI = serverURI;
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}
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public AssetServicesConnector(IConfigSource source)
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{
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Initialise(source);
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}
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public virtual void Initialise(IConfigSource source)
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{
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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("[ASSET CONNECTOR]: AssetService missing from OpanSim.ini");
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throw new Exception("Asset connector init error");
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}
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string serviceURI = assetConfig.GetString("AssetServerURI",
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String.Empty);
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if (serviceURI == String.Empty)
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{
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m_log.Error("[ASSET CONNECTOR]: No Server URI named in section AssetService");
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throw new Exception("Asset connector init error");
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}
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m_ServerURI = serviceURI;
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}
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protected void SetCache(IImprovedAssetCache cache)
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{
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m_Cache = cache;
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}
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public AssetBase Get(string id)
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{
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string uri = m_ServerURI + "/assets/" + id;
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AssetBase asset = null;
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if (m_Cache != null)
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asset = m_Cache.Get(id);
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if (asset == null)
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{
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asset = SynchronousRestObjectRequester.
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MakeRequest<int, AssetBase>("GET", uri, 0);
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if (m_Cache != null)
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m_Cache.Cache(asset);
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}
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return asset;
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}
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public AssetMetadata GetMetadata(string id)
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{
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if (m_Cache != null)
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{
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AssetBase fullAsset = m_Cache.Get(id);
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if (fullAsset != null)
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return fullAsset.Metadata;
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}
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string uri = m_ServerURI + "/assets/" + id + "/metadata";
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AssetMetadata asset = SynchronousRestObjectRequester.
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MakeRequest<int, AssetMetadata>("GET", uri, 0);
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return asset;
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}
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public byte[] GetData(string id)
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{
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if (m_Cache != null)
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{
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AssetBase fullAsset = m_Cache.Get(id);
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if (fullAsset != null)
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return fullAsset.Data;
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}
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RestClient rc = new RestClient(m_ServerURI);
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rc.AddResourcePath("assets");
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rc.AddResourcePath(id);
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rc.AddResourcePath("data");
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rc.RequestMethod = "GET";
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Stream s = rc.Request();
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if (s == null)
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return null;
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if (s.Length > 0)
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{
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byte[] ret = new byte[s.Length];
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s.Read(ret, 0, (int)s.Length);
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return ret;
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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 uri = m_ServerURI + "/assets/" + id;
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AssetBase asset = null;
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if (m_Cache != null)
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asset = m_Cache.Get(id);
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if (asset == null)
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{
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AsynchronousRestObjectRequester.
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MakeRequest<int, AssetBase>("GET", uri, 0,
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delegate(AssetBase a)
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{
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if (m_Cache != null)
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m_Cache.Cache(a);
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handler(id, sender, a);
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});
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}
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else
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{
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handler(id, sender, asset);
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}
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return true;
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}
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public string Store(AssetBase asset)
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{
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if (asset.Temporary || asset.Local)
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{
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if (m_Cache != null)
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m_Cache.Cache(asset);
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return asset.ID;
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}
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string uri = m_ServerURI + "/assets/";
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string newID = SynchronousRestObjectRequester.
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MakeRequest<AssetBase, string>("POST", uri, asset);
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if (newID != String.Empty)
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{
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// Placing this here, so that this work with old asset servers that don't send any reply back
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// SynchronousRestObjectRequester returns somethins that is not an empty string
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if (newID != null)
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asset.ID = newID;
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if (m_Cache != null)
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m_Cache.Cache(asset);
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}
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return newID;
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}
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public bool UpdateContent(string id, byte[] data)
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{
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AssetBase asset = null;
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if (m_Cache != null)
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asset = m_Cache.Get(id);
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if (asset == null)
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{
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AssetMetadata metadata = GetMetadata(id);
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if (metadata == null)
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return false;
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asset = new AssetBase();
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asset.Metadata = metadata;
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}
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asset.Data = data;
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string uri = m_ServerURI + "/assets/" + id;
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if (SynchronousRestObjectRequester.
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MakeRequest<AssetBase, bool>("POST", uri, asset))
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{
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if (m_Cache != null)
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m_Cache.Cache(asset);
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return true;
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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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string uri = m_ServerURI + "/assets/" + id;
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if (SynchronousRestObjectRequester.
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MakeRequest<int, bool>("DELETE", uri, 0))
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{
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if (m_Cache != null)
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m_Cache.Expire(id);
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return true;
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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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