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Dataserver.cs 4.5 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;
  29. using System.Collections.Generic;
  30. using OpenMetaverse;
  31. using OpenSim.Region.ScriptEngine.Shared;
  32. using OpenSim.Region.ScriptEngine.Shared.Api;
  33. namespace OpenSim.Region.ScriptEngine.Shared.Api.Plugins
  34. {
  35. public class Dataserver
  36. {
  37. public AsyncCommandManager m_CmdManager;
  38. private Dictionary<string, DataserverRequest> DataserverRequests =
  39. new Dictionary<string, DataserverRequest>();
  40. public Dataserver(AsyncCommandManager CmdManager)
  41. {
  42. m_CmdManager = CmdManager;
  43. }
  44. private class DataserverRequest
  45. {
  46. public uint localID;
  47. public UUID itemID;
  48. public UUID ID;
  49. public string handle;
  50. public DateTime startTime;
  51. }
  52. public UUID RegisterRequest(uint localID, UUID itemID,
  53. string identifier)
  54. {
  55. lock (DataserverRequests)
  56. {
  57. if (DataserverRequests.ContainsKey(identifier))
  58. return UUID.Zero;
  59. DataserverRequest ds = new DataserverRequest();
  60. ds.localID = localID;
  61. ds.itemID = itemID;
  62. ds.ID = UUID.Random();
  63. ds.handle = identifier;
  64. ds.startTime = DateTime.Now;
  65. DataserverRequests[identifier] = ds;
  66. return ds.ID;
  67. }
  68. }
  69. public void DataserverReply(string identifier, string reply)
  70. {
  71. DataserverRequest ds;
  72. lock (DataserverRequests)
  73. {
  74. if (!DataserverRequests.ContainsKey(identifier))
  75. return;
  76. ds = DataserverRequests[identifier];
  77. DataserverRequests.Remove(identifier);
  78. }
  79. m_CmdManager.m_ScriptEngine.PostObjectEvent(ds.localID,
  80. new EventParams("dataserver", new Object[]
  81. { new LSL_Types.LSLString(ds.ID.ToString()),
  82. new LSL_Types.LSLString(reply)},
  83. new DetectParams[0]));
  84. }
  85. public void RemoveEvents(uint localID, UUID itemID)
  86. {
  87. lock (DataserverRequests)
  88. {
  89. foreach (DataserverRequest ds in new List<DataserverRequest>(DataserverRequests.Values))
  90. {
  91. if (ds.itemID == itemID)
  92. DataserverRequests.Remove(ds.handle);
  93. }
  94. }
  95. }
  96. public void ExpireRequests()
  97. {
  98. lock (DataserverRequests)
  99. {
  100. foreach (DataserverRequest ds in new List<DataserverRequest>(DataserverRequests.Values))
  101. {
  102. if (ds.startTime > DateTime.Now.AddSeconds(30))
  103. DataserverRequests.Remove(ds.handle);
  104. }
  105. }
  106. }
  107. }
  108. }