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ThrottleRates.cs 5.0 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 System;
  28. using OpenSim.Framework;
  29. using Nini.Config;
  30. namespace OpenSim.Region.ClientStack.LindenUDP
  31. {
  32. /// <summary>
  33. /// Holds drip rates and maximum burst rates for throttling with hierarchical
  34. /// token buckets. The maximum burst rates set here are hard limits and can
  35. /// not be overridden by client requests
  36. /// </summary>
  37. public sealed class ThrottleRates
  38. {
  39. /// <summary>Drip rate for resent packets</summary>
  40. public int Resend;
  41. /// <summary>Drip rate for terrain packets</summary>
  42. public int Land;
  43. /// <summary>Drip rate for wind packets</summary>
  44. public int Wind;
  45. /// <summary>Drip rate for cloud packets</summary>
  46. public int Cloud;
  47. /// <summary>Drip rate for task packets</summary>
  48. public int Task;
  49. /// <summary>Drip rate for texture packets</summary>
  50. public int Texture;
  51. /// <summary>Drip rate for asset packets</summary>
  52. public int Asset;
  53. /// <summary>Drip rate for the parent token bucket</summary>
  54. public int Total;
  55. /// <summary>Flag used to enable adaptive throttles</summary>
  56. public bool AdaptiveThrottlesEnabled;
  57. /// <summary>Amount of the texture throttle to steal for the task throttle</summary>
  58. public double CannibalizeTextureRate;
  59. /// <summary>
  60. /// Default constructor
  61. /// </summary>
  62. /// <param name="config">Config source to load defaults from</param>
  63. public ThrottleRates(IConfigSource config)
  64. {
  65. try
  66. {
  67. IConfig throttleConfig = config.Configs["ClientStack.LindenUDP"];
  68. Resend = throttleConfig.GetInt("resend_default", 6625);
  69. Land = throttleConfig.GetInt("land_default", 9125);
  70. Wind = throttleConfig.GetInt("wind_default", 1750);
  71. Cloud = throttleConfig.GetInt("cloud_default", 1750);
  72. Task = throttleConfig.GetInt("task_default", 18500);
  73. Texture = throttleConfig.GetInt("texture_default", 18500);
  74. Asset = throttleConfig.GetInt("asset_default", 10500);
  75. Total = throttleConfig.GetInt("client_throttle_max_bps", 0);
  76. AdaptiveThrottlesEnabled = throttleConfig.GetBoolean("enable_adaptive_throttles", false);
  77. CannibalizeTextureRate = (double)throttleConfig.GetFloat("CannibalizeTextureRate", 0.0f);
  78. CannibalizeTextureRate = Util.Clamp<double>(CannibalizeTextureRate,0.0, 0.9);
  79. }
  80. catch (Exception) { }
  81. }
  82. public int GetRate(ThrottleOutPacketType type)
  83. {
  84. switch (type)
  85. {
  86. case ThrottleOutPacketType.Resend:
  87. return Resend;
  88. case ThrottleOutPacketType.Land:
  89. return Land;
  90. case ThrottleOutPacketType.Wind:
  91. return Wind;
  92. case ThrottleOutPacketType.Cloud:
  93. return Cloud;
  94. case ThrottleOutPacketType.Task:
  95. return Task;
  96. case ThrottleOutPacketType.Texture:
  97. return Texture;
  98. case ThrottleOutPacketType.Asset:
  99. return Asset;
  100. case ThrottleOutPacketType.Unknown:
  101. default:
  102. return 0;
  103. }
  104. }
  105. }
  106. }