XAssetService.cs 7.8 KB

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  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. using System;
  28. using System.Collections.Generic;
  29. using System.IO;
  30. using System.Reflection;
  31. using Nini.Config;
  32. using log4net;
  33. using OpenSim.Framework;
  34. using OpenSim.Data;
  35. using OpenSim.Services.Interfaces;
  36. using OpenMetaverse;
  37. namespace OpenSim.Services.AssetService
  38. {
  39. /// <summary>
  40. /// A de-duplicating asset service.
  41. /// </summary>
  42. [Obsolete]
  43. public class XAssetService : XAssetServiceBase, IAssetService
  44. {
  45. private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
  46. protected static XAssetService m_RootInstance;
  47. public XAssetService(IConfigSource config) : this(config, "AssetService") {}
  48. public XAssetService(IConfigSource config, string configName) : base(config, configName)
  49. {
  50. if (m_RootInstance == null)
  51. {
  52. m_RootInstance = this;
  53. if (m_AssetLoader != null)
  54. {
  55. IConfig assetConfig = config.Configs[configName];
  56. if (assetConfig == null)
  57. throw new Exception("No AssetService configuration");
  58. string loaderArgs = assetConfig.GetString("AssetLoaderArgs", String.Empty);
  59. bool assetLoaderEnabled = assetConfig.GetBoolean("AssetLoaderEnabled", true);
  60. if (assetLoaderEnabled && !HasChainedAssetService)
  61. {
  62. m_log.DebugFormat("[XASSET SERVICE]: Loading default asset set from {0}", loaderArgs);
  63. m_AssetLoader.ForEachDefaultXmlAsset(
  64. loaderArgs,
  65. a =>
  66. {
  67. AssetBase existingAsset = Get(a.ID);
  68. // AssetMetadata existingMetadata = GetMetadata(a.ID);
  69. if (existingAsset == null || Util.SHA1Hash(existingAsset.Data) != Util.SHA1Hash(a.Data))
  70. {
  71. // m_log.DebugFormat("[ASSET]: Storing {0} {1}", a.Name, a.ID);
  72. Store(a);
  73. }
  74. });
  75. }
  76. m_log.Debug("[XASSET SERVICE]: Local asset service enabled");
  77. m_log.Error("[XASSET SERVICE]: THIS ASSET SERVICE HAS BEEN MARKED OBSOLETE. PLEASE USE FSAssetService");
  78. }
  79. }
  80. }
  81. public virtual AssetBase Get(string id)
  82. {
  83. // m_log.DebugFormat("[ASSET SERVICE]: Get asset for {0}", id);
  84. UUID assetID;
  85. if (!UUID.TryParse(id, out assetID))
  86. {
  87. m_log.WarnFormat("[XASSET SERVICE]: Could not parse requested asset id {0}", id);
  88. return null;
  89. }
  90. try
  91. {
  92. AssetBase asset = m_Database.GetAsset(assetID);
  93. if (asset != null)
  94. {
  95. return asset;
  96. }
  97. else if (HasChainedAssetService)
  98. {
  99. asset = m_ChainedAssetService.Get(id);
  100. if (asset != null)
  101. MigrateFromChainedService(asset);
  102. return asset;
  103. }
  104. return null;
  105. }
  106. catch (Exception e)
  107. {
  108. m_log.ErrorFormat("[XASSET SERVICE]: Exception getting asset {0} {1}", assetID, e);
  109. return null;
  110. }
  111. }
  112. public virtual AssetBase GetCached(string id)
  113. {
  114. return Get(id);
  115. }
  116. public virtual AssetMetadata GetMetadata(string id)
  117. {
  118. // m_log.DebugFormat("[XASSET SERVICE]: Get asset metadata for {0}", id);
  119. AssetBase asset = Get(id);
  120. if (asset != null)
  121. return asset.Metadata;
  122. else
  123. return null;
  124. }
  125. public virtual byte[] GetData(string id)
  126. {
  127. // m_log.DebugFormat("[XASSET SERVICE]: Get asset data for {0}", id);
  128. AssetBase asset = Get(id);
  129. if (asset != null)
  130. return asset.Data;
  131. else
  132. return null;
  133. }
  134. public virtual bool Get(string id, Object sender, AssetRetrieved handler)
  135. {
  136. //m_log.DebugFormat("[XASSET SERVICE]: Get asset async {0}", id);
  137. UUID assetID;
  138. if (!UUID.TryParse(id, out assetID))
  139. return false;
  140. AssetBase asset = Get(id);
  141. //m_log.DebugFormat("[XASSET SERVICE]: Got asset {0}", asset);
  142. handler(id, sender, asset);
  143. return true;
  144. }
  145. public virtual bool[] AssetsExist(string[] ids)
  146. {
  147. UUID[] uuid = Array.ConvertAll(ids, id => UUID.Parse(id));
  148. return m_Database.AssetsExist(uuid);
  149. }
  150. public virtual string Store(AssetBase asset)
  151. {
  152. bool exists = m_Database.AssetsExist(new[] { asset.FullID })[0];
  153. if (!exists)
  154. {
  155. // m_log.DebugFormat(
  156. // "[XASSET SERVICE]: Storing asset {0} {1}, bytes {2}", asset.Name, asset.FullID, asset.Data.Length);
  157. m_Database.StoreAsset(asset);
  158. }
  159. // else
  160. // {
  161. // m_log.DebugFormat(
  162. // "[XASSET SERVICE]: Not storing asset {0} {1}, bytes {2} as it already exists", asset.Name, asset.FullID, asset.Data.Length);
  163. // }
  164. return asset.ID;
  165. }
  166. public bool UpdateContent(string id, byte[] data)
  167. {
  168. return false;
  169. }
  170. public virtual bool Delete(string id)
  171. {
  172. // m_log.DebugFormat("[XASSET SERVICE]: Deleting asset {0}", id);
  173. UUID assetID;
  174. if (!UUID.TryParse(id, out assetID))
  175. return false;
  176. if (HasChainedAssetService)
  177. m_ChainedAssetService.Delete(id);
  178. return m_Database.Delete(id);
  179. }
  180. private void MigrateFromChainedService(AssetBase asset)
  181. {
  182. Store(asset);
  183. m_ChainedAssetService.Delete(asset.ID);
  184. }
  185. }
  186. }