TestsAssetCache.cs 4.0 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 log4net;
  28. using System;
  29. using System.Reflection;
  30. using System.Runtime.Caching;
  31. using Nini.Config;
  32. using OpenSim.Framework;
  33. using OpenSim.Region.Framework.Interfaces;
  34. using OpenSim.Region.Framework.Scenes;
  35. namespace OpenSim.Tests.Common
  36. {
  37. public class TestsAssetCache : ISharedRegionModule, IAssetCache
  38. {
  39. private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
  40. private bool m_Enabled;
  41. private MemoryCache m_Cache;
  42. public string Name
  43. {
  44. get { return "TestsAssetCache"; }
  45. }
  46. public Type ReplaceableInterface
  47. {
  48. get { return null; }
  49. }
  50. public void Initialise(IConfigSource source)
  51. {
  52. m_Cache = MemoryCache.Default;
  53. m_Enabled = true;
  54. }
  55. public void PostInitialise()
  56. {
  57. }
  58. public void Close()
  59. {
  60. }
  61. public void AddRegion(Scene scene)
  62. {
  63. if (m_Enabled)
  64. scene.RegisterModuleInterface<IAssetCache>(this);
  65. }
  66. public void RemoveRegion(Scene scene)
  67. {
  68. }
  69. public void RegionLoaded(Scene scene)
  70. {
  71. }
  72. ////////////////////////////////////////////////////////////
  73. // IAssetCache
  74. //
  75. public bool Check(string id)
  76. {
  77. // XXX This is probably not an efficient implementation.
  78. AssetBase asset;
  79. if (!Get(id, out asset))
  80. return false;
  81. return asset != null;
  82. }
  83. public void Cache(AssetBase asset, bool replace = true)
  84. {
  85. if (asset != null)
  86. {
  87. CacheItemPolicy policy = new CacheItemPolicy();
  88. m_Cache.Set(asset.ID, asset, policy);
  89. }
  90. }
  91. public void CacheNegative(string id)
  92. {
  93. // We don't do negative caching
  94. }
  95. public bool Get(string id, out AssetBase asset)
  96. {
  97. asset = (AssetBase)m_Cache.Get(id);
  98. return true;
  99. }
  100. public AssetBase GetCached(string id)
  101. {
  102. return (AssetBase)m_Cache.Get(id);
  103. }
  104. public void Expire(string id)
  105. {
  106. m_Cache.Remove(id);
  107. }
  108. public void Clear()
  109. {
  110. }
  111. /*
  112. public bool UpdateContent(string id, byte[] data)
  113. {
  114. return false;
  115. }
  116. */
  117. }
  118. }