1 files changed, 119 insertions, 0 deletions

diff --git a/OpenSim/Services/AssetService/XAssetServiceBase.cs b/OpenSim/Services/AssetService/XAssetServiceBase.cs
new file mode 100644
index 0000000..c118c9d
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+++ b/OpenSim/Services/AssetService/XAssetServiceBase.cs
@@ -0,0 +1,119 @@
+/*
+ * 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 OpenSimulator 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 Nini.Config;
+using OpenSim.Framework;
+using OpenSim.Data;
+using OpenSim.Server.Base;
+using OpenSim.Services.Interfaces;
+using OpenSim.Services.Base;
+
+namespace OpenSim.Services.AssetService
+{
+    public class XAssetServiceBase : ServiceBase
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        protected IXAssetDataPlugin m_Database;
+        protected IAssetLoader m_AssetLoader;
+        protected IAssetService m_ChainedAssetService;
+
+        protected bool HasChainedAssetService { get { return m_ChainedAssetService != null; } }
+
+        public XAssetServiceBase(IConfigSource config, string configName) : base(config)
+        {
+            string dllName = String.Empty;
+            string connString = String.Empty;
+
+            //
+            // Try reading the [AssetService] section first, if it exists
+            //
+            IConfig assetConfig = config.Configs[configName];
+            if (assetConfig != null)
+            {
+                dllName = assetConfig.GetString("StorageProvider", dllName);
+                connString = assetConfig.GetString("ConnectionString", connString);
+            }
+
+            //
+            // Try reading the [DatabaseService] section, if it exists
+            //
+            IConfig dbConfig = config.Configs["DatabaseService"];
+            if (dbConfig != null)
+            {
+                if (dllName == String.Empty)
+                    dllName = dbConfig.GetString("StorageProvider", String.Empty);
+                if (connString == String.Empty)
+                    connString = dbConfig.GetString("ConnectionString", String.Empty);
+            }
+
+            //
+            // We tried, but this doesn't exist. We can't proceed.
+            //
+            if (dllName.Equals(String.Empty))
+                throw new Exception("No StorageProvider configured");
+
+            m_Database = LoadPlugin<IXAssetDataPlugin>(dllName);
+            if (m_Database == null)
+                throw new Exception("Could not find a storage interface in the given module");
+
+            string chainedAssetServiceDesignator = assetConfig.GetString("ChainedServiceModule", null);
+
+            if (chainedAssetServiceDesignator != null)
+            {
+                m_log.InfoFormat(
+                    "[XASSET SERVICE BASE]: Loading chained asset service from {0}", chainedAssetServiceDesignator);
+
+                Object[] args = new Object[] { config, configName };
+                m_ChainedAssetService = ServerUtils.LoadPlugin<IAssetService>(chainedAssetServiceDesignator, args);
+
+                if (!HasChainedAssetService)
+                    throw new Exception(
+                        String.Format("Failed to load ChainedAssetService from {0}", chainedAssetServiceDesignator));
+            }
+
+            m_Database.Initialise(connString);
+
+            if (HasChainedAssetService)
+            {
+                string loaderName = assetConfig.GetString("DefaultAssetLoader",
+                        String.Empty);
+
+                if (loaderName != String.Empty)
+                {
+                    m_AssetLoader = LoadPlugin<IAssetLoader>(loaderName);
+
+                    if (m_AssetLoader == null)
+                        throw new Exception("Asset loader could not be loaded");
+                }
+            }
+        }
+    }
+}
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