protected ServerBase(int poolCount)
{
_acceptCount = new SyncCount();
_readSync = new object();
_deleteSync = new object();
_isStart = false;
_allDone = new ManualResetEvent(false);
_ioEventPool = new MemoryPool <SocketAsyncEventArgs>();
_acceptEvent = new SocketAsyncEventArgs();
_useIOEvents = new Dictionary <ulong, SocketAsyncEventArgs>();
_acceptEvent.Completed += new EventHandler <SocketAsyncEventArgs>(Accept_Completed);
_ioEventPool.Init(poolCount - _ioEventPool.Count, CreateSockEvent);
}