ThrottleRates.cs

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using System;
using OpenSim.Framework;
using Nini.Config;

namespace OpenSim.Region.ClientStack.LindenUDP
{
    public sealed class ThrottleRates
    {
        public int Resend;
        public int Land;
        public int Wind;
        public int Cloud;
        public int Task;
        public int Texture;
        public int Asset;

        public int Total;

        public bool AdaptiveThrottlesEnabled;
 
        public Int64 MinimumAdaptiveThrottleRate;
 
        public double CannibalizeTextureRate;

        public int ClientMaxRate;
        public float BrustTime;

        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;
                // 3000000 bps default max
                ClientMaxRate = throttleConfig.GetInt("client_throttle_max_bps", 375000);
                if (ClientMaxRate > 1000000)
                    ClientMaxRate = 1000000; // no more than 8Mbps

                BrustTime = (float)throttleConfig.GetInt("client_throttle_burtsTimeMS", 10);
                BrustTime *= 1e-3f;

                AdaptiveThrottlesEnabled = throttleConfig.GetBoolean("enable_adaptive_throttles", false);
                MinimumAdaptiveThrottleRate = throttleConfig.GetInt("adaptive_throttle_min_bps", 32000);

                CannibalizeTextureRate = (double)throttleConfig.GetFloat("CannibalizeTextureRate", 0.0f);
                CannibalizeTextureRate = Util.Clamp<double>(CannibalizeTextureRate,0.0, 0.9);
            }
            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;
            }
        }
    }
}