opensim-development – Blame information for rev 1
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1 | eva | 1 | /* |
2 | * Copyright (c) Contributors |
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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 OpenSim 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 | using Mono.Addins; |
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28 | |||
29 | using System; |
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30 | using System.Reflection; |
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31 | using System.Threading; |
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32 | using System.Text; |
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33 | using System.Net; |
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34 | using System.Net.Sockets; |
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35 | using log4net; |
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36 | using Nini.Config; |
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37 | using OpenMetaverse; |
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38 | using OpenMetaverse.StructuredData; |
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39 | using OpenSim.Framework; |
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40 | using OpenSim.Region.Framework.Interfaces; |
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41 | using OpenSim.Region.Framework.Scenes; |
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42 | using System.Collections.Generic; |
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43 | using System.Text.RegularExpressions; |
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44 | |||
45 | namespace OpenSim.Region.OptionalModules.Scripting.JsonStore |
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46 | { |
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47 | [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "JsonStoreModule")] |
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48 | |||
49 | public class JsonStoreModule : INonSharedRegionModule, IJsonStoreModule |
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50 | { |
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51 | private static readonly ILog m_log = |
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52 | LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); |
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53 | |||
54 | private IConfig m_config = null; |
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55 | private bool m_enabled = false; |
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56 | private bool m_enableObjectStore = false; |
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57 | private int m_maxStringSpace = Int32.MaxValue; |
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58 | |||
59 | private Scene m_scene = null; |
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60 | |||
61 | private Dictionary<UUID,JsonStore> m_JsonValueStore; |
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62 | |||
63 | private UUID m_sharedStore; |
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64 | |||
65 | #region Region Module interface |
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66 | |||
67 | // ----------------------------------------------------------------- |
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68 | /// <summary> |
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69 | /// Name of this shared module is it's class name |
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70 | /// </summary> |
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71 | // ----------------------------------------------------------------- |
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72 | public string Name |
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73 | { |
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74 | get { return this.GetType().Name; } |
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75 | } |
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76 | |||
77 | // ----------------------------------------------------------------- |
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78 | /// <summary> |
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79 | /// Initialise this shared module |
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80 | /// </summary> |
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81 | /// <param name="scene">this region is getting initialised</param> |
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82 | /// <param name="source">nini config, we are not using this</param> |
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83 | // ----------------------------------------------------------------- |
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84 | public void Initialise(IConfigSource config) |
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85 | { |
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86 | try |
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87 | { |
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88 | if ((m_config = config.Configs["JsonStore"]) == null) |
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89 | { |
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90 | // There is no configuration, the module is disabled |
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91 | // m_log.InfoFormat("[JsonStore] no configuration info"); |
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92 | return; |
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93 | } |
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94 | |||
95 | m_enabled = m_config.GetBoolean("Enabled", m_enabled); |
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96 | m_enableObjectStore = m_config.GetBoolean("EnableObjectStore", m_enableObjectStore); |
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97 | m_maxStringSpace = m_config.GetInt("MaxStringSpace", m_maxStringSpace); |
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98 | if (m_maxStringSpace == 0) |
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99 | m_maxStringSpace = Int32.MaxValue; |
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100 | } |
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101 | catch (Exception e) |
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102 | { |
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103 | m_log.Error("[JsonStore]: initialization error: {0}", e); |
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104 | return; |
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105 | } |
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106 | |||
107 | if (m_enabled) |
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108 | m_log.DebugFormat("[JsonStore]: module is enabled"); |
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109 | } |
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110 | |||
111 | // ----------------------------------------------------------------- |
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112 | /// <summary> |
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113 | /// everything is loaded, perform post load configuration |
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114 | /// </summary> |
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115 | // ----------------------------------------------------------------- |
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116 | public void PostInitialise() |
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117 | { |
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118 | } |
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119 | |||
120 | // ----------------------------------------------------------------- |
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121 | /// <summary> |
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122 | /// Nothing to do on close |
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123 | /// </summary> |
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124 | // ----------------------------------------------------------------- |
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125 | public void Close() |
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126 | { |
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127 | } |
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128 | |||
129 | // ----------------------------------------------------------------- |
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130 | /// <summary> |
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131 | /// </summary> |
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132 | // ----------------------------------------------------------------- |
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133 | public void AddRegion(Scene scene) |
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134 | { |
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135 | if (m_enabled) |
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136 | { |
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137 | m_scene = scene; |
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138 | m_scene.RegisterModuleInterface<IJsonStoreModule>(this); |
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139 | |||
140 | m_sharedStore = UUID.Zero; |
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141 | m_JsonValueStore = new Dictionary<UUID,JsonStore>(); |
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142 | m_JsonValueStore.Add(m_sharedStore,new JsonStore("")); |
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143 | |||
144 | scene.EventManager.OnObjectBeingRemovedFromScene += EventManagerOnObjectBeingRemovedFromScene; |
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145 | } |
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146 | } |
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147 | |||
148 | // ----------------------------------------------------------------- |
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149 | /// <summary> |
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150 | /// </summary> |
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151 | // ----------------------------------------------------------------- |
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152 | public void RemoveRegion(Scene scene) |
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153 | { |
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154 | scene.EventManager.OnObjectBeingRemovedFromScene -= EventManagerOnObjectBeingRemovedFromScene; |
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155 | |||
156 | // need to remove all references to the scene in the subscription |
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157 | // list to enable full garbage collection of the scene object |
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158 | } |
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159 | |||
160 | // ----------------------------------------------------------------- |
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161 | /// <summary> |
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162 | /// Called when all modules have been added for a region. This is |
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163 | /// where we hook up events |
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164 | /// </summary> |
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165 | // ----------------------------------------------------------------- |
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166 | public void RegionLoaded(Scene scene) |
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167 | { |
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168 | if (m_enabled) |
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169 | { |
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170 | } |
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171 | } |
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172 | |||
173 | /// ----------------------------------------------------------------- |
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174 | /// <summary> |
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175 | /// </summary> |
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176 | // ----------------------------------------------------------------- |
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177 | public Type ReplaceableInterface |
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178 | { |
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179 | get { return null; } |
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180 | } |
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181 | |||
182 | #endregion |
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183 | |||
184 | #region SceneEvents |
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185 | // ----------------------------------------------------------------- |
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186 | /// <summary> |
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187 | /// |
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188 | /// </summary> |
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189 | // ----------------------------------------------------------------- |
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190 | public void EventManagerOnObjectBeingRemovedFromScene(SceneObjectGroup obj) |
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191 | { |
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192 | obj.ForEachPart(delegate(SceneObjectPart sop) { DestroyStore(sop.UUID); } ); |
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193 | } |
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194 | |||
195 | #endregion |
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196 | |||
197 | #region ScriptInvocationInteface |
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198 | |||
199 | |||
200 | // ----------------------------------------------------------------- |
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201 | /// <summary> |
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202 | /// |
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203 | /// </summary> |
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204 | // ----------------------------------------------------------------- |
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205 | public JsonStoreStats GetStoreStats() |
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206 | { |
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207 | JsonStoreStats stats; |
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208 | |||
209 | lock (m_JsonValueStore) |
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210 | { |
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211 | stats.StoreCount = m_JsonValueStore.Count; |
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212 | } |
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213 | |||
214 | return stats; |
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215 | } |
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216 | |||
217 | // ----------------------------------------------------------------- |
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218 | /// <summary> |
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219 | /// |
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220 | /// </summary> |
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221 | // ----------------------------------------------------------------- |
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222 | public bool AttachObjectStore(UUID objectID) |
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223 | { |
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224 | if (! m_enabled) return false; |
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225 | if (! m_enableObjectStore) return false; |
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226 | |||
227 | SceneObjectPart sop = m_scene.GetSceneObjectPart(objectID); |
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228 | if (sop == null) |
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229 | { |
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230 | m_log.ErrorFormat("[JsonStore] unable to attach to unknown object; {0}", objectID); |
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231 | return false; |
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232 | } |
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233 | |||
234 | lock (m_JsonValueStore) |
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235 | { |
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236 | if (m_JsonValueStore.ContainsKey(objectID)) |
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237 | return true; |
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238 | |||
239 | JsonStore map = new JsonObjectStore(m_scene,objectID); |
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240 | m_JsonValueStore.Add(objectID,map); |
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241 | } |
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242 | |||
243 | return true; |
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244 | } |
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245 | |||
246 | // ----------------------------------------------------------------- |
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247 | /// <summary> |
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248 | /// |
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249 | /// </summary> |
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250 | // ----------------------------------------------------------------- |
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251 | public bool CreateStore(string value, ref UUID result) |
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252 | { |
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253 | if (result == UUID.Zero) |
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254 | result = UUID.Random(); |
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255 | |||
256 | JsonStore map = null; |
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257 | |||
258 | if (! m_enabled) return false; |
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259 | |||
260 | |||
261 | try |
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262 | { |
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263 | map = new JsonStore(value); |
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264 | } |
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265 | catch (Exception e) |
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266 | { |
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267 | m_log.ErrorFormat("[JsonStore]: Unable to initialize store from {0}", value); |
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268 | return false; |
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269 | } |
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270 | |||
271 | lock (m_JsonValueStore) |
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272 | m_JsonValueStore.Add(result,map); |
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273 | |||
274 | return true; |
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275 | } |
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276 | |||
277 | // ----------------------------------------------------------------- |
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278 | /// <summary> |
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279 | /// |
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280 | /// </summary> |
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281 | // ----------------------------------------------------------------- |
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282 | public bool DestroyStore(UUID storeID) |
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283 | { |
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284 | if (! m_enabled) return false; |
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285 | |||
286 | lock (m_JsonValueStore) |
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287 | return m_JsonValueStore.Remove(storeID); |
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288 | |||
289 | return true; |
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290 | } |
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291 | |||
292 | // ----------------------------------------------------------------- |
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293 | /// <summary> |
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294 | /// |
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295 | /// </summary> |
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296 | // ----------------------------------------------------------------- |
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297 | public bool TestStore(UUID storeID) |
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298 | { |
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299 | if (! m_enabled) return false; |
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300 | |||
301 | lock (m_JsonValueStore) |
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302 | return m_JsonValueStore.ContainsKey(storeID); |
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303 | } |
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304 | |||
305 | // ----------------------------------------------------------------- |
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306 | /// <summary> |
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307 | /// |
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308 | /// </summary> |
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309 | // ----------------------------------------------------------------- |
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310 | public JsonStoreNodeType GetNodeType(UUID storeID, string path) |
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311 | { |
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312 | if (! m_enabled) return JsonStoreNodeType.Undefined; |
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313 | |||
314 | JsonStore map = null; |
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315 | lock (m_JsonValueStore) |
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316 | { |
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317 | if (! m_JsonValueStore.TryGetValue(storeID,out map)) |
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318 | { |
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319 | m_log.InfoFormat("[JsonStore] Missing store {0}",storeID); |
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320 | return JsonStoreNodeType.Undefined; |
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321 | } |
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322 | } |
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323 | |||
324 | try |
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325 | { |
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326 | lock (map) |
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327 | return map.GetNodeType(path); |
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328 | } |
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329 | catch (Exception e) |
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330 | { |
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331 | m_log.Error(string.Format("[JsonStore]: Path test failed for {0} in {1}", path, storeID), e); |
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332 | } |
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333 | |||
334 | return JsonStoreNodeType.Undefined; |
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335 | } |
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336 | |||
337 | // ----------------------------------------------------------------- |
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338 | /// <summary> |
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339 | /// |
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340 | /// </summary> |
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341 | // ----------------------------------------------------------------- |
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342 | public JsonStoreValueType GetValueType(UUID storeID, string path) |
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343 | { |
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344 | if (! m_enabled) return JsonStoreValueType.Undefined; |
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345 | |||
346 | JsonStore map = null; |
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347 | lock (m_JsonValueStore) |
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348 | { |
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349 | if (! m_JsonValueStore.TryGetValue(storeID,out map)) |
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350 | { |
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351 | m_log.InfoFormat("[JsonStore] Missing store {0}",storeID); |
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352 | return JsonStoreValueType.Undefined; |
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353 | } |
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354 | } |
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355 | |||
356 | try |
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357 | { |
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358 | lock (map) |
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359 | return map.GetValueType(path); |
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360 | } |
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361 | catch (Exception e) |
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362 | { |
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363 | m_log.Error(string.Format("[JsonStore]: Path test failed for {0} in {1}", path, storeID), e); |
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364 | } |
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365 | |||
366 | return JsonStoreValueType.Undefined; |
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367 | } |
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368 | |||
369 | // ----------------------------------------------------------------- |
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370 | /// <summary> |
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371 | /// |
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372 | /// </summary> |
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373 | // ----------------------------------------------------------------- |
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374 | public bool SetValue(UUID storeID, string path, string value, bool useJson) |
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375 | { |
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376 | if (! m_enabled) return false; |
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377 | |||
378 | JsonStore map = null; |
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379 | lock (m_JsonValueStore) |
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380 | { |
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381 | if (! m_JsonValueStore.TryGetValue(storeID,out map)) |
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382 | { |
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383 | m_log.InfoFormat("[JsonStore] Missing store {0}",storeID); |
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384 | return false; |
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385 | } |
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386 | } |
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387 | |||
388 | try |
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389 | { |
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390 | lock (map) |
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391 | { |
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392 | if (map.StringSpace > m_maxStringSpace) |
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393 | { |
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394 | m_log.WarnFormat("[JsonStore] {0} exceeded string size; {1} bytes used of {2} limit", |
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395 | storeID,map.StringSpace,m_maxStringSpace); |
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396 | return false; |
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397 | } |
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398 | |||
399 | return map.SetValue(path,value,useJson); |
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400 | } |
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401 | } |
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402 | catch (Exception e) |
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403 | { |
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404 | m_log.Error(string.Format("[JsonStore]: Unable to assign {0} to {1} in {2}", value, path, storeID), e); |
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405 | } |
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406 | |||
407 | return false; |
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408 | } |
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409 | |||
410 | // ----------------------------------------------------------------- |
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411 | /// <summary> |
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412 | /// |
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413 | /// </summary> |
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414 | // ----------------------------------------------------------------- |
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415 | public bool RemoveValue(UUID storeID, string path) |
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416 | { |
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417 | if (! m_enabled) return false; |
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418 | |||
419 | JsonStore map = null; |
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420 | lock (m_JsonValueStore) |
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421 | { |
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422 | if (! m_JsonValueStore.TryGetValue(storeID,out map)) |
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423 | { |
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424 | m_log.InfoFormat("[JsonStore] Missing store {0}",storeID); |
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425 | return false; |
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426 | } |
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427 | } |
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428 | |||
429 | try |
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430 | { |
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431 | lock (map) |
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432 | return map.RemoveValue(path); |
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433 | } |
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434 | catch (Exception e) |
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435 | { |
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436 | m_log.Error(string.Format("[JsonStore]: Unable to remove {0} in {1}", path, storeID), e); |
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437 | } |
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438 | |||
439 | return false; |
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440 | } |
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441 | |||
442 | // ----------------------------------------------------------------- |
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443 | /// <summary> |
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444 | /// |
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445 | /// </summary> |
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446 | // ----------------------------------------------------------------- |
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447 | public int GetArrayLength(UUID storeID, string path) |
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448 | { |
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449 | if (! m_enabled) return -1; |
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450 | |||
451 | JsonStore map = null; |
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452 | lock (m_JsonValueStore) |
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453 | { |
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454 | if (! m_JsonValueStore.TryGetValue(storeID,out map)) |
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455 | return -1; |
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456 | } |
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457 | |||
458 | try |
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459 | { |
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460 | lock (map) |
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461 | { |
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462 | return map.ArrayLength(path); |
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463 | } |
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464 | } |
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465 | catch (Exception e) |
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466 | { |
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467 | m_log.Error("[JsonStore]: unable to retrieve value", e); |
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468 | } |
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469 | |||
470 | return -1; |
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471 | } |
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472 | |||
473 | // ----------------------------------------------------------------- |
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474 | /// <summary> |
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475 | /// |
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476 | /// </summary> |
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477 | // ----------------------------------------------------------------- |
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478 | public bool GetValue(UUID storeID, string path, bool useJson, out string value) |
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479 | { |
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480 | value = String.Empty; |
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481 | |||
482 | if (! m_enabled) return false; |
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483 | |||
484 | JsonStore map = null; |
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485 | lock (m_JsonValueStore) |
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486 | { |
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487 | if (! m_JsonValueStore.TryGetValue(storeID,out map)) |
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488 | return false; |
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489 | } |
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490 | |||
491 | try |
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492 | { |
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493 | lock (map) |
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494 | { |
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495 | return map.GetValue(path, out value, useJson); |
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496 | } |
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497 | } |
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498 | catch (Exception e) |
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499 | { |
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500 | m_log.Error("[JsonStore]: unable to retrieve value", e); |
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501 | } |
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502 | |||
503 | return false; |
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504 | } |
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505 | |||
506 | // ----------------------------------------------------------------- |
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507 | /// <summary> |
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508 | /// |
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509 | /// </summary> |
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510 | // ----------------------------------------------------------------- |
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511 | public void TakeValue(UUID storeID, string path, bool useJson, TakeValueCallback cback) |
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512 | { |
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513 | if (! m_enabled) |
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514 | { |
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515 | cback(String.Empty); |
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516 | return; |
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517 | } |
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518 | |||
519 | JsonStore map = null; |
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520 | lock (m_JsonValueStore) |
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521 | { |
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522 | if (! m_JsonValueStore.TryGetValue(storeID,out map)) |
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523 | { |
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524 | cback(String.Empty); |
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525 | return; |
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526 | } |
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527 | } |
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528 | |||
529 | try |
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530 | { |
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531 | lock (map) |
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532 | { |
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533 | map.TakeValue(path, useJson, cback); |
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534 | return; |
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535 | } |
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536 | } |
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537 | catch (Exception e) |
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538 | { |
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539 | m_log.Error("[JsonStore] unable to retrieve value", e); |
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540 | } |
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541 | |||
542 | cback(String.Empty); |
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543 | } |
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544 | |||
545 | // ----------------------------------------------------------------- |
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546 | /// <summary> |
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547 | /// |
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548 | /// </summary> |
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549 | // ----------------------------------------------------------------- |
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550 | public void ReadValue(UUID storeID, string path, bool useJson, TakeValueCallback cback) |
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551 | { |
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552 | if (! m_enabled) |
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553 | { |
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554 | cback(String.Empty); |
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555 | return; |
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556 | } |
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557 | |||
558 | JsonStore map = null; |
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559 | lock (m_JsonValueStore) |
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560 | { |
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561 | if (! m_JsonValueStore.TryGetValue(storeID,out map)) |
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562 | { |
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563 | cback(String.Empty); |
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564 | return; |
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565 | } |
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566 | } |
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567 | |||
568 | try |
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569 | { |
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570 | lock (map) |
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571 | { |
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572 | map.ReadValue(path, useJson, cback); |
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573 | return; |
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574 | } |
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575 | } |
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576 | catch (Exception e) |
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577 | { |
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578 | m_log.Error("[JsonStore]: unable to retrieve value", e); |
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579 | } |
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580 | |||
581 | cback(String.Empty); |
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582 | } |
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583 | |||
584 | #endregion |
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585 | } |
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586 | } |