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Add some locking on the child list for the token bucket 

hiearchy. A few other cosmetic changes.
bulletsim
Mic Bowman 2011-04-21 15:40:38 -07:00
parent 371576d1dd
commit c5159ad8d0
1 changed files with 22 additions and 15 deletions
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17
OpenSim/Region/ClientStack/LindenUDP/TokenBucket.cs
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@ -29,6 +29,8 @@ using System;
using System.Collections;
using System.Collections.Generic;
using System.Reflection;
using OpenSim.Framework;
using log4net;
namespace OpenSim.Region.ClientStack.LindenUDP
@ -177,7 +179,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
RequestedDripRate = dripRate;
// TotalDripRequest = dripRate; // this will be overwritten when a child node registers
// MaxBurst = (Int64)((double)dripRate * m_quantumsPerBurst);
m_lastDrip = Environment.TickCount & Int32.MaxValue;
m_lastDrip = Util.EnvironmentTickCount();
}
#endregion Constructor
@ -210,6 +212,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
/// changes up the hierarchy.
/// </summary>
public void RegisterRequest(TokenBucket child, Int64 request)
{
lock (m_children)
{
m_children[child] = request;
// m_totalDripRequest = m_children.Values.Sum();
@ -217,6 +221,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
m_totalDripRequest = 0;
foreach (KeyValuePair<TokenBucket, Int64> cref in m_children)
m_totalDripRequest += cref.Value;
}
// Pass the new values up to the parent
if (m_parent != null)
@ -228,6 +233,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
/// changes up the hierarchy.
/// </summary>
public void UnregisterRequest(TokenBucket child)
{
lock (m_children)
{
m_children.Remove(child);
// m_totalDripRequest = m_children.Values.Sum();
@ -235,6 +242,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
m_totalDripRequest = 0;
foreach (KeyValuePair<TokenBucket, Int64> cref in m_children)
m_totalDripRequest += cref.Value;
}
// Pass the new values up to the parent
if (m_parent != null)
@ -297,10 +306,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
// Determine the interval over which we are adding tokens, never add
// more than a single quantum of tokens
Int32 now = Environment.TickCount & Int32.MaxValue;
Int32 deltaMS = Math.Min(now - m_lastDrip, m_ticksPerQuantum);
m_lastDrip = now;
Int32 deltaMS = Math.Min(Util.EnvironmentTickCountSubtract(m_lastDrip), m_ticksPerQuantum);
m_lastDrip = Util.EnvironmentTickCount();
// This can be 0 in the very unusual case that the timer wrapped
// It can be 0 if we try add tokens at a sub-tick rate