DataRequestHandler.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 OpenSim 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. */
  28. using System;
  29. using System.Collections;
  30. using System.Reflection;
  31. using System.Xml;
  32. using log4net;
  33. using OpenSim.Region.Environment.Scenes;
  34. using OpenSim.Framework.Communications.Capabilities;
  35. using Caps = OpenSim.Framework.Communications.Capabilities.Caps;
  36. using libsecondlife;
  37. using OpenSim.Framework.Servers;
  38. namespace OpenSim.Region.DataSnapshot
  39. {
  40. public class DataRequestHandler
  41. {
  42. private Scene m_scene = null;
  43. private DataSnapshotManager m_externalData = null;
  44. private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
  45. private readonly string m_discoveryPath = "DS0001/";
  46. public DataRequestHandler(Scene scene, DataSnapshotManager externalData)
  47. {
  48. m_scene = scene;
  49. m_externalData = externalData;
  50. //Register HTTP handler
  51. if (m_scene.AddHTTPHandler("collector", OnGetSnapshot))
  52. {
  53. m_log.Info("[DATASNAPSHOT]: Set up snapshot service");
  54. }
  55. //Register CAPS handler event
  56. m_scene.EventManager.OnRegisterCaps += OnRegisterCaps;
  57. //harbl
  58. }
  59. public void OnRegisterCaps(LLUUID agentID, Caps caps)
  60. {
  61. m_log.Info("[DATASNAPSHOT]: Registering service discovery capability for " + agentID);
  62. string capsBase = "/CAPS/" + caps.CapsObjectPath;
  63. caps.RegisterHandler("PublicSnapshotDataInfo",
  64. new RestStreamHandler("POST", capsBase + m_discoveryPath, OnDiscoveryAttempt));
  65. }
  66. public string OnDiscoveryAttempt(string request, string path, string param,
  67. OSHttpRequest httpRequest, OSHttpResponse httpResponse)
  68. {
  69. //Very static for now, flexible enough to add new formats
  70. LLSDDiscoveryResponse llsd_response = new LLSDDiscoveryResponse();
  71. llsd_response.snapshot_resources = new LLSDArray();
  72. LLSDDiscoveryDataURL llsd_dataurl = new LLSDDiscoveryDataURL();
  73. llsd_dataurl.snapshot_format = "os-datasnapshot-v1";
  74. llsd_dataurl.snapshot_url = "http://" + m_externalData.m_hostname + ":" + m_externalData.m_listener_port + "/?method=collector";
  75. llsd_response.snapshot_resources.Array.Add(llsd_dataurl);
  76. string response = LLSDHelpers.SerialiseLLSDReply(llsd_response);
  77. return response;
  78. }
  79. public Hashtable OnGetSnapshot(Hashtable keysvals)
  80. {
  81. m_log.Info("[DATASNAPSHOT] Received collection request");
  82. Hashtable reply = new Hashtable();
  83. int statuscode = 200;
  84. string snapObj = (string)keysvals["region"];
  85. XmlDocument response = m_externalData.GetSnapshot(snapObj);
  86. reply["str_response_string"] = response.OuterXml;
  87. reply["int_response_code"] = statuscode;
  88. reply["content_type"] = "text/xml";
  89. return reply;
  90. }
  91. }
  92. }