133 lines
5.6 KiB
C#
133 lines
5.6 KiB
C#
/*
|
|
* Copyright (c) Contributors, http://opensimulator.org/
|
|
* See CONTRIBUTORS.TXT for a full list of copyright holders.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* * Neither the name of the OpenSimulator Project nor the
|
|
* names of its contributors may be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
using System;
|
|
using OpenSim.Framework;
|
|
using Nini.Config;
|
|
|
|
namespace OpenSim.Region.ClientStack.LindenUDP
|
|
{
|
|
/// <summary>
|
|
/// Holds drip rates and maximum burst rates for throttling with hierarchical
|
|
/// token buckets. The maximum burst rates set here are hard limits and can
|
|
/// not be overridden by client requests
|
|
/// </summary>
|
|
public sealed class ThrottleRates
|
|
{
|
|
/// <summary>Drip rate for resent packets</summary>
|
|
public int Resend;
|
|
/// <summary>Drip rate for terrain packets</summary>
|
|
public int Land;
|
|
/// <summary>Drip rate for wind packets</summary>
|
|
public int Wind;
|
|
/// <summary>Drip rate for cloud packets</summary>
|
|
public int Cloud;
|
|
/// <summary>Drip rate for task packets</summary>
|
|
public int Task;
|
|
/// <summary>Drip rate for texture packets</summary>
|
|
public int Texture;
|
|
/// <summary>Drip rate for asset packets</summary>
|
|
public int Asset;
|
|
|
|
/// <summary>Drip rate for the parent token bucket</summary>
|
|
public int Total;
|
|
|
|
/// <summary>Flag used to enable adaptive throttles</summary>
|
|
public bool AdaptiveThrottlesEnabled;
|
|
|
|
/// <summary>
|
|
/// Set the minimum rate that the adaptive throttles can set. The viewer
|
|
/// can still throttle lower than this, but the adaptive throttles will
|
|
/// never decrease rates below this no matter how many packets are dropped
|
|
/// </summary>
|
|
public Int64 MinimumAdaptiveThrottleRate;
|
|
|
|
public int ClientMaxRate;
|
|
public float BrustTime;
|
|
|
|
/// <summary>
|
|
/// Default constructor
|
|
/// </summary>
|
|
/// <param name="config">Config source to load defaults from</param>
|
|
public ThrottleRates(IConfigSource config)
|
|
{
|
|
try
|
|
{
|
|
IConfig throttleConfig = config.Configs["ClientStack.LindenUDP"];
|
|
|
|
// Current default total is 66750
|
|
Resend = throttleConfig.GetInt("resend_default", 6625);
|
|
Land = throttleConfig.GetInt("land_default", 9125);
|
|
Wind = throttleConfig.GetInt("wind_default", 1750);
|
|
Cloud = throttleConfig.GetInt("cloud_default", 1750);
|
|
Task = throttleConfig.GetInt("task_default", 18500);
|
|
Texture = throttleConfig.GetInt("texture_default", 18500);
|
|
Asset = throttleConfig.GetInt("asset_default", 10500);
|
|
|
|
Total = Resend + Land + Wind + Cloud + Task + Texture + Asset;
|
|
// 5120000 bps default max
|
|
ClientMaxRate = throttleConfig.GetInt("client_throttle_max_bps", 640000);
|
|
if (ClientMaxRate > 1000000)
|
|
ClientMaxRate = 1000000; // no more than 8Mbps
|
|
|
|
BrustTime = (float)throttleConfig.GetInt("client_throttle_burtsTimeMS", 10);
|
|
BrustTime *= 1e-3f;
|
|
|
|
// Adaptive is broken
|
|
// AdaptiveThrottlesEnabled = throttleConfig.GetBoolean("enable_adaptive_throttles", false);
|
|
AdaptiveThrottlesEnabled = false;
|
|
MinimumAdaptiveThrottleRate = throttleConfig.GetInt("adaptive_throttle_min_bps", 32000);
|
|
}
|
|
catch (Exception) { }
|
|
}
|
|
|
|
public int GetRate(ThrottleOutPacketType type)
|
|
{
|
|
switch (type)
|
|
{
|
|
case ThrottleOutPacketType.Resend:
|
|
return Resend;
|
|
case ThrottleOutPacketType.Land:
|
|
return Land;
|
|
case ThrottleOutPacketType.Wind:
|
|
return Wind;
|
|
case ThrottleOutPacketType.Cloud:
|
|
return Cloud;
|
|
case ThrottleOutPacketType.Task:
|
|
return Task;
|
|
case ThrottleOutPacketType.Texture:
|
|
return Texture;
|
|
case ThrottleOutPacketType.Asset:
|
|
return Asset;
|
|
case ThrottleOutPacketType.Unknown:
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
}
|