clockwerk-opensim – Blame information for rev 1

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1 vero 1 /*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSimulator Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27  
28 using System;
29 using System.Reflection;
30 using log4net;
31 using Nini.Config;
32 using OpenSim.Framework;
33 using OpenSim.Data;
34 using OpenSim.Server.Base;
35 using OpenSim.Services.Interfaces;
36 using OpenSim.Services.Base;
37  
38 namespace OpenSim.Services.AssetService
39 {
40 public class XAssetServiceBase : ServiceBase
41 {
42 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
43  
44 protected IXAssetDataPlugin m_Database;
45 protected IAssetLoader m_AssetLoader;
46 protected IAssetService m_ChainedAssetService;
47  
48 protected bool HasChainedAssetService { get { return m_ChainedAssetService != null; } }
49  
50 public XAssetServiceBase(IConfigSource config, string configName) : base(config)
51 {
52 string dllName = String.Empty;
53 string connString = String.Empty;
54  
55 //
56 // Try reading the [AssetService] section first, if it exists
57 //
58 IConfig assetConfig = config.Configs[configName];
59 if (assetConfig != null)
60 {
61 dllName = assetConfig.GetString("StorageProvider", dllName);
62 connString = assetConfig.GetString("ConnectionString", connString);
63 }
64  
65 //
66 // Try reading the [DatabaseService] section, if it exists
67 //
68 IConfig dbConfig = config.Configs["DatabaseService"];
69 if (dbConfig != null)
70 {
71 if (dllName == String.Empty)
72 dllName = dbConfig.GetString("StorageProvider", String.Empty);
73 if (connString == String.Empty)
74 connString = dbConfig.GetString("ConnectionString", String.Empty);
75 }
76  
77 //
78 // We tried, but this doesn't exist. We can't proceed.
79 //
80 if (dllName.Equals(String.Empty))
81 throw new Exception("No StorageProvider configured");
82  
83 m_Database = LoadPlugin<IXAssetDataPlugin>(dllName);
84 if (m_Database == null)
85 throw new Exception("Could not find a storage interface in the given module");
86  
87 string chainedAssetServiceDesignator = assetConfig.GetString("ChainedServiceModule", null);
88  
89 if (chainedAssetServiceDesignator != null)
90 {
91 m_log.InfoFormat(
92 "[XASSET SERVICE BASE]: Loading chained asset service from {0}", chainedAssetServiceDesignator);
93  
94 Object[] args = new Object[] { config, configName };
95 m_ChainedAssetService = ServerUtils.LoadPlugin<IAssetService>(chainedAssetServiceDesignator, args);
96  
97 if (!HasChainedAssetService)
98 throw new Exception(
99 String.Format("Failed to load ChainedAssetService from {0}", chainedAssetServiceDesignator));
100 }
101  
102 m_Database.Initialise(connString);
103  
104 if (HasChainedAssetService)
105 {
106 string loaderName = assetConfig.GetString("DefaultAssetLoader",
107 String.Empty);
108  
109 if (loaderName != String.Empty)
110 {
111 m_AssetLoader = LoadPlugin<IAssetLoader>(loaderName);
112  
113 if (m_AssetLoader == null)
114 throw new Exception("Asset loader could not be loaded");
115 }
116 }
117 }
118 }
119 }