ModernUO/Server/Network/BufferPool.cs

106 lines
No EOL
2.7 KiB
C#

/***************************************************************************
* BufferPool.cs
* -------------------
* begin : May 1, 2002
* copyright : (C) The RunUO Software Team
* email : info@runuo.com
*
* $Id$
*
***************************************************************************/
/***************************************************************************
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
***************************************************************************/
using System.Collections.Generic;
namespace Server.Network
{
public class BufferPool
{
private int m_BufferSize;
private Queue<byte[]> m_FreeBuffers;
private int m_InitialCapacity;
private int m_Misses;
private string m_Name;
public BufferPool(string name, int initialCapacity, int bufferSize)
{
m_Name = name;
m_InitialCapacity = initialCapacity;
m_BufferSize = bufferSize;
m_FreeBuffers = new Queue<byte[]>(initialCapacity);
for (int i = 0; i < initialCapacity; ++i)
m_FreeBuffers.Enqueue(new byte[bufferSize]);
lock (Pools)
{
Pools.Add(this);
}
}
public static List<BufferPool> Pools{ get; set; } = new List<BufferPool>();
public void GetInfo(out string name, out int freeCount, out int initialCapacity, out int currentCapacity,
out int bufferSize, out int misses)
{
lock (this)
{
name = m_Name;
freeCount = m_FreeBuffers.Count;
initialCapacity = m_InitialCapacity;
currentCapacity = m_InitialCapacity * (1 + m_Misses);
bufferSize = m_BufferSize;
misses = m_Misses;
}
}
public byte[] AcquireBuffer()
{
lock (this)
{
if (m_FreeBuffers.Count > 0)
return m_FreeBuffers.Dequeue();
++m_Misses;
for (int i = 0; i < m_InitialCapacity; ++i)
m_FreeBuffers.Enqueue(new byte[m_BufferSize]);
return m_FreeBuffers.Dequeue();
}
}
public void ReleaseBuffer(byte[] buffer)
{
if (buffer == null)
return;
lock (this)
{
m_FreeBuffers.Enqueue(buffer);
}
}
public void Free()
{
lock (Pools)
{
Pools.Remove(this);
}
}
}
}