/// <summary>
/// 获取数据分配缓冲区
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
internal static AutoCSer.CacheServer.BufferCount GetBufferCount(ref SubArray <byte> data)
{
if (data.Length > (int)AutoCSer.CacheServer.BufferCount.BufferSize)
{
data.Set(new byte[data.Length], 0, data.Length);
return(null);
}
AutoCSer.CacheServer.BufferCount buffer;
while (System.Threading.Interlocked.CompareExchange(ref bufferCountLock, 1, 0) != 0)
{
AutoCSer.Threading.ThreadYield.Yield(AutoCSer.Threading.ThreadYield.Type.MessageQueueGetBuffer);
}
buffer = bufferCount.Get(ref data);
bufferCountLock = 0;
if (buffer == null)
{
Monitor.Enter(newBufferCountLock);
AutoCSer.CacheServer.BufferCount oldBufferCount = bufferCount;
try
{
while (System.Threading.Interlocked.CompareExchange(ref bufferCountLock, 1, 0) != 0)
{
AutoCSer.Threading.ThreadYield.Yield(AutoCSer.Threading.ThreadYield.Type.MessageQueueGetBuffer);
}
buffer = oldBufferCount.Get(ref data);
bufferCountLock = 0;
if (buffer == null)
{
AutoCSer.CacheServer.BufferCount newBufferCount = new AutoCSer.CacheServer.BufferCount();
buffer = newBufferCount.Get(ref data);
if (newBufferCount.Size > oldBufferCount.Size)
{
bufferCount = newBufferCount;
oldBufferCount.Free();
}
else
{
newBufferCount.Free();
}
}
}
finally { Monitor.Exit(newBufferCountLock); }
}
return(buffer);
}
/// <summary>
/// 获取数据分配缓冲区
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
internal static AutoCSer.CacheServer.BufferCount GetBufferCount(ref SubArray <byte> data)
{
if (data.Length > (int)AutoCSer.CacheServer.BufferCount.BufferSize)
{
data.Set(new byte[data.Length], 0, data.Length);
return(null);
}
AutoCSer.CacheServer.BufferCount buffer;
bufferCountLock.EnterYield();
buffer = bufferCount.Get(ref data);
bufferCountLock.Exit();
if (buffer == null)
{
Monitor.Enter(newBufferCountLock);
AutoCSer.CacheServer.BufferCount oldBufferCount = bufferCount;
try
{
bufferCountLock.EnterYield();
buffer = oldBufferCount.Get(ref data);
bufferCountLock.Exit();
if (buffer == null)
{
AutoCSer.CacheServer.BufferCount newBufferCount = new AutoCSer.CacheServer.BufferCount();
buffer = newBufferCount.Get(ref data);
if (newBufferCount.Size > oldBufferCount.Size)
{
bufferCount = newBufferCount;
oldBufferCount.Free();
}
else
{
newBufferCount.Free();
}
}
}
finally { Monitor.Exit(newBufferCountLock); }
}
return(buffer);
}