opensim – Blame information for rev 1
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1 | eva | 1 | /* |
2 | * Copyright (c) Contributors, http://opensimulator.org/ |
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3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions are met: |
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7 | * * Redistributions of source code must retain the above copyright |
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8 | * notice, this list of conditions and the following disclaimer. |
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9 | * * Redistributions in binary form must reproduce the above copyright |
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10 | * notice, this list of conditions and the following disclaimer in the |
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11 | * documentation and/or other materials provided with the distribution. |
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12 | * * Neither the name of the OpenSimulator Project nor the |
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13 | * names of its contributors may be used to endorse or promote products |
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14 | * derived from this software without specific prior written permission. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY |
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17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY |
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20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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26 | */ |
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27 | |||
28 | using log4net; |
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29 | using Nini.Config; |
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30 | using System; |
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31 | using System.Collections.Generic; |
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32 | using System.Collections.Specialized; |
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33 | using System.Reflection; |
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34 | using System.Web; |
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35 | using OpenSim.Framework; |
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36 | using OpenSim.Services.Interfaces; |
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37 | using OpenSim.Services.Connectors.Hypergrid; |
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38 | using OpenSim.Services.Connectors.SimianGrid; |
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39 | |||
40 | namespace OpenSim.Services.Connectors |
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41 | { |
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42 | public class HGAssetServiceConnector : IAssetService |
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43 | { |
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44 | private static readonly ILog m_log = |
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45 | LogManager.GetLogger( |
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46 | MethodBase.GetCurrentMethod().DeclaringType); |
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47 | |||
48 | private Dictionary<IAssetService, object> m_endpointSerializer = new Dictionary<IAssetService, object>(); |
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49 | private object EndPointLock(IAssetService connector) |
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50 | { |
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51 | lock (m_endpointSerializer) |
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52 | { |
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53 | object eplock = null; |
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54 | |||
55 | if (! m_endpointSerializer.TryGetValue(connector, out eplock)) |
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56 | { |
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57 | eplock = new object(); |
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58 | m_endpointSerializer.Add(connector, eplock); |
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59 | // m_log.WarnFormat("[WEB UTIL] add a new host to end point serializer {0}",endpoint); |
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60 | } |
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61 | |||
62 | return eplock; |
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63 | } |
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64 | } |
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65 | |||
66 | private Dictionary<string, IAssetService> m_connectors = new Dictionary<string, IAssetService>(); |
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67 | |||
68 | public HGAssetServiceConnector(IConfigSource source) |
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69 | { |
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70 | IConfig moduleConfig = source.Configs["Modules"]; |
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71 | if (moduleConfig != null) |
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72 | { |
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73 | // string name = moduleConfig.GetString("AssetServices", ""); |
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74 | |||
75 | IConfig assetConfig = source.Configs["AssetService"]; |
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76 | if (assetConfig == null) |
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77 | { |
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78 | m_log.Error("[HG ASSET SERVICE]: AssetService missing from OpenSim.ini"); |
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79 | return; |
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80 | } |
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81 | |||
82 | m_log.Info("[HG ASSET SERVICE]: HG asset service enabled"); |
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83 | } |
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84 | } |
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85 | |||
86 | private bool StringToUrlAndAssetID(string id, out string url, out string assetID) |
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87 | { |
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88 | url = String.Empty; |
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89 | assetID = String.Empty; |
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90 | |||
91 | Uri assetUri; |
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92 | |||
93 | if (Uri.TryCreate(id, UriKind.Absolute, out assetUri) && |
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94 | assetUri.Scheme == Uri.UriSchemeHttp) |
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95 | { |
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96 | // Simian |
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97 | if (assetUri.Query != string.Empty) |
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98 | { |
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99 | NameValueCollection qscoll = HttpUtility.ParseQueryString(assetUri.Query); |
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100 | assetID = qscoll["id"]; |
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101 | if (assetID != null) |
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102 | url = id.Replace(assetID, ""); // Malformed again, as simian expects |
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103 | else |
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104 | url = id; // !!! best effort |
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105 | } |
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106 | else // robust |
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107 | { |
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108 | url = "http://" + assetUri.Authority; |
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109 | assetID = assetUri.LocalPath.Trim(new char[] { '/' }); |
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110 | } |
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111 | |||
112 | return true; |
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113 | } |
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114 | |||
115 | m_log.DebugFormat("[HG ASSET SERVICE]: Malformed URL {0}", id); |
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116 | return false; |
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117 | } |
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118 | |||
119 | private IAssetService GetConnector(string url) |
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120 | { |
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121 | IAssetService connector = null; |
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122 | lock (m_connectors) |
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123 | { |
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124 | if (m_connectors.ContainsKey(url)) |
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125 | { |
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126 | connector = m_connectors[url]; |
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127 | } |
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128 | else |
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129 | { |
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130 | // Still not as flexible as I would like this to be, |
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131 | // but good enough for now |
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132 | string connectorType = new HeloServicesConnector(url).Helo(); |
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133 | m_log.DebugFormat("[HG ASSET SERVICE]: HELO returned {0}", connectorType); |
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134 | if (connectorType == "opensim-simian") |
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135 | { |
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136 | connector = new SimianAssetServiceConnector(url); |
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137 | } |
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138 | else |
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139 | connector = new AssetServicesConnector(url); |
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140 | |||
141 | m_connectors.Add(url, connector); |
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142 | } |
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143 | } |
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144 | return connector; |
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145 | } |
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146 | |||
147 | public AssetBase Get(string id) |
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148 | { |
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149 | string url = string.Empty; |
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150 | string assetID = string.Empty; |
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151 | |||
152 | if (StringToUrlAndAssetID(id, out url, out assetID)) |
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153 | { |
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154 | IAssetService connector = GetConnector(url); |
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155 | return connector.Get(assetID); |
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156 | } |
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157 | |||
158 | return null; |
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159 | } |
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160 | |||
161 | public AssetBase GetCached(string id) |
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162 | { |
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163 | string url = string.Empty; |
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164 | string assetID = string.Empty; |
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165 | |||
166 | if (StringToUrlAndAssetID(id, out url, out assetID)) |
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167 | { |
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168 | IAssetService connector = GetConnector(url); |
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169 | return connector.GetCached(assetID); |
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170 | } |
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171 | |||
172 | return null; |
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173 | } |
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174 | |||
175 | public AssetMetadata GetMetadata(string id) |
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176 | { |
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177 | string url = string.Empty; |
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178 | string assetID = string.Empty; |
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179 | |||
180 | if (StringToUrlAndAssetID(id, out url, out assetID)) |
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181 | { |
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182 | IAssetService connector = GetConnector(url); |
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183 | return connector.GetMetadata(assetID); |
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184 | } |
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185 | |||
186 | return null; |
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187 | } |
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188 | |||
189 | public byte[] GetData(string id) |
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190 | { |
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191 | return null; |
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192 | } |
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193 | |||
194 | public bool Get(string id, Object sender, AssetRetrieved handler) |
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195 | { |
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196 | string url = string.Empty; |
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197 | string assetID = string.Empty; |
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198 | |||
199 | if (StringToUrlAndAssetID(id, out url, out assetID)) |
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200 | { |
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201 | IAssetService connector = GetConnector(url); |
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202 | return connector.Get(assetID, sender, handler); |
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203 | } |
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204 | |||
205 | return false; |
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206 | } |
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207 | |||
208 | public string Store(AssetBase asset) |
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209 | { |
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210 | string url = string.Empty; |
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211 | string assetID = string.Empty; |
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212 | |||
213 | if (StringToUrlAndAssetID(asset.ID, out url, out assetID)) |
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214 | { |
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215 | IAssetService connector = GetConnector(url); |
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216 | // Restore the assetID to a simple UUID |
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217 | asset.ID = assetID; |
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218 | lock (EndPointLock(connector)) |
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219 | return connector.Store(asset); |
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220 | } |
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221 | |||
222 | return String.Empty; |
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223 | } |
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224 | |||
225 | public bool UpdateContent(string id, byte[] data) |
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226 | { |
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227 | return false; |
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228 | } |
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229 | |||
230 | public bool Delete(string id) |
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231 | { |
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232 | return false; |
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233 | } |
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234 | } |
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235 | } |