private void Balance()
{
BalancedThread[] array = this.balancedThreadList;
if (array == null)
{
return;
}
Scheduler.Schedule(array[0].JobProcessor, this.threadBalancer, 500);
ThreadLoad threadLoad = null;
BalancedThread balancedThread = null;
BalancedThread balancedThread2 = null;
for (int i = 0; i < array.Length; i++)
{
ThreadLoad mostBurden = array[i].MostBurden;
if (mostBurden != null && array[i].TotalLoad >= 128 && (threadLoad == null || mostBurden.PreviousLoad < threadLoad.PreviousLoad))
{
balancedThread = array[i];
threadLoad = mostBurden;
}
else if (balancedThread2 == null || balancedThread2.TotalLoad > array[i].TotalLoad)
{
balancedThread2 = array[i];
}
}
if (balancedThread != null && balancedThread2 != null && balancedThread.TotalLoad >= balancedThread2.TotalLoad * 3)
{
balancedThread.Change(threadLoad, balancedThread2);
}
}
public void Remove(ThreadLoad threadLoad)
{
if (this.balancedThreadList == null)
{
throw new InvalidOperationException("Instance not initialized");
}
threadLoad.Parent.Remove(threadLoad);
}
public void Change(ThreadLoad threadLoad, BalancedThread newBalancedThread)
{
if (!this.jobProcessor.IsInThread())
{
this.jobProcessor.Enqueue(Job.Create <ThreadLoad, BalancedThread>(new Action <ThreadLoad, BalancedThread>(this.Change), threadLoad, newBalancedThread));
return;
}
if (threadLoad.Parent != this)
{
return;
}
this.Remove(threadLoad);
newBalancedThread.Add(threadLoad);
}
public void Add(ThreadLoad threadLoad)
{
if (this.balancedThreadList == null)
{
throw new InvalidOperationException("Instance not initialized");
}
if (threadLoad.Parent != null)
{
throw new InvalidOperationException("ThreadLoad had been added to another LoadBalancer");
}
this.balancedThreadList[this.insertIndex].Add(threadLoad);
if (this.insertIndex == this.balancedThreadList.Length - 1)
{
this.insertIndex = 0;
return;
}
this.insertIndex++;
}
public void Add(ThreadLoad threadLoad)
{
if (!this.jobProcessor.IsInThread())
{
this.jobProcessor.Enqueue(Job.Create <ThreadLoad>(new Action <ThreadLoad>(this.Add), threadLoad));
return;
}
if (threadLoad.Parent == this)
{
this.Reserve(threadLoad);
return;
}
if (threadLoad.Parent != null)
{
throw new InvalidOperationException("ThreadLoad can be registered to one LoadBalancer at same time");
}
threadLoad.Parent = this;
threadLoad.PreviousLoad = 0;
this.Reserve(threadLoad);
}
private void Operate()
{
if (this.jobList.Count == 0)
{
return;
}
ThreadLoad threadLoad = this.jobList.RemoveMin();
try
{
threadLoad.InvokeOperationable();
}
finally
{
if (threadLoad.Parent == this)
{
this.Reserve(threadLoad);
}
}
}
private void ThreadLoad_Operationable(ThreadLoad sender, EventArgs e)
{
this.threadLoad.Load = this.totalLoad;
this.AddPendingLoadFragments();
if (this.jobList.Count == 0)
{
return;
}
LoadFragment loadFragment = this.jobList.RemoveMin();
try
{
loadFragment.InvokeOperationable();
}
finally
{
if (loadFragment.Manager == this)
{
this.DoReserve(loadFragment);
}
}
}
public void Reserve(ThreadLoad threadLoad)
{
if (!this.jobProcessor.IsInThread())
{
this.jobProcessor.Enqueue(Job.Create <ThreadLoad>(new Action <ThreadLoad>(this.Reserve), threadLoad));
return;
}
if (threadLoad.Parent != this)
{
throw new InvalidOperationException();
}
if (threadLoad.PriorityQueueElement.Valid)
{
return;
}
int previousLoad = threadLoad.PreviousLoad;
int load = threadLoad.Load;
threadLoad.PreviousLoad = load;
this.totalLoad += load - previousLoad;
if (load != 0)
{
threadLoad.PriorityQueueElement.Value = threadLoad;
threadLoad.PriorityQueueElement.Priority = threadLoad.Priority;
this.jobList.Add(threadLoad.PriorityQueueElement);
if (this.jobList.Count > 0)
{
this.jobProcessor.Enqueue(this.job);
}
if (this.mostBurden != null && (this.mostBurden.PreviousLoad == 0 || this.mostBurden.PreviousLoad * 3 > this.totalLoad))
{
this.mostBurden = null;
}
if (threadLoad.Load * 3 <= this.totalLoad && (this.mostBurden == null || this.mostBurden.PreviousLoad < load))
{
this.mostBurden = threadLoad;
}
}
}
public void Remove(ThreadLoad threadLoad)
{
if (!this.jobProcessor.IsInThread())
{
this.jobProcessor.Enqueue(Job.Create <ThreadLoad>(new Action <ThreadLoad>(this.Remove), threadLoad));
return;
}
if (threadLoad.Parent != this)
{
throw new InvalidOperationException("ThreadLoad must be registered to proper LoadBalancer before deregister.");
}
if (threadLoad.PreviousLoad != 0)
{
this.jobList.Remove(threadLoad.PriorityQueueElement);
this.totalLoad -= threadLoad.PreviousLoad;
}
if (this.mostBurden == threadLoad)
{
this.mostBurden = null;
}
threadLoad.Parent = null;
}
