1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
/*
* 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 state packets</summary>
public int State;
/// <summary>Drip rate for the parent token bucket</summary>
public int Total;
/// <summary>Maximum burst rate for resent packets</summary>
public int ResendLimit;
/// <summary>Maximum burst rate for land packets</summary>
public int LandLimit;
/// <summary>Maximum burst rate for wind packets</summary>
public int WindLimit;
/// <summary>Maximum burst rate for cloud packets</summary>
public int CloudLimit;
/// <summary>Maximum burst rate for task (state and transaction) packets</summary>
public int TaskLimit;
/// <summary>Maximum burst rate for texture packets</summary>
public int TextureLimit;
/// <summary>Maximum burst rate for asset packets</summary>
public int AssetLimit;
/// <summary>Maximum burst rate for state packets</summary>
public int StateLimit;
/// <summary>Burst rate for the parent token bucket</summary>
public int TotalLimit;
/// <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"];
Resend = throttleConfig.GetInt("resend_default", 12500);
Land = throttleConfig.GetInt("land_default", 1000);
Wind = throttleConfig.GetInt("wind_default", 1000);
Cloud = throttleConfig.GetInt("cloud_default", 1000);
Task = throttleConfig.GetInt("task_default", 1000);
Texture = throttleConfig.GetInt("texture_default", 1000);
Asset = throttleConfig.GetInt("asset_default", 1000);
State = throttleConfig.GetInt("state_default", 1000);
ResendLimit = throttleConfig.GetInt("resend_limit", 18750);
LandLimit = throttleConfig.GetInt("land_limit", 29750);
WindLimit = throttleConfig.GetInt("wind_limit", 18750);
CloudLimit = throttleConfig.GetInt("cloud_limit", 18750);
TaskLimit = throttleConfig.GetInt("task_limit", 18750);
TextureLimit = throttleConfig.GetInt("texture_limit", 55750);
AssetLimit = throttleConfig.GetInt("asset_limit", 27500);
StateLimit = throttleConfig.GetInt("state_limit", 37000);
Total = throttleConfig.GetInt("client_throttle_max_bps", 0);
TotalLimit = Total;
}
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.State:
return State;
case ThrottleOutPacketType.Unknown:
default:
return 0;
}
}
public int GetLimit(ThrottleOutPacketType type)
{
switch (type)
{
case ThrottleOutPacketType.Resend:
return ResendLimit;
case ThrottleOutPacketType.Land:
return LandLimit;
case ThrottleOutPacketType.Wind:
return WindLimit;
case ThrottleOutPacketType.Cloud:
return CloudLimit;
case ThrottleOutPacketType.Task:
return TaskLimit;
case ThrottleOutPacketType.Texture:
return TextureLimit;
case ThrottleOutPacketType.Asset:
return AssetLimit;
case ThrottleOutPacketType.State:
return StateLimit;
case ThrottleOutPacketType.Unknown:
default:
return 0;
}
}
}
}
|
