/// <summary>
/// 构造函数
/// </summary>
public TcpSocketAsync(int sendBufferSize = 8 * 1024, int receiveBufferSize = 8 * 1024)
{
int max = 8 * 1024;
int min = 16;
this.SendBufferSize = sendBufferSize < min ? min : (sendBufferSize > max ? max : sendBufferSize);
this.ReceiveBufferSize = receiveBufferSize < min ? min : (receiveBufferSize > max ? max : receiveBufferSize);
this._buffer = new BufferModel(this.ReceiveBufferSize);
this._cache = new CacheModel();
}
/// <summary>
/// 释放所有资源
/// </summary>
public void Dispose()
{
this.Close();
if (!this.isDisposed)
{
this.isDisposed = true;
this.socket = null;
this.isSend = false;
if (this.sendQueue != null)
{
this.sendQueue.Clear();
}
this.sendQueue = null;
this.UserState = null;
this.AsyncConnectEvent = null;
this.ErrorEvent = null;
this.ReadingEvent = null;
this._buffer = null;
this._cache = null;
this.ReceiveEvent = null;
this.sendLock = null;
}
}
internal TcpSocketAsync(Socket socket, int sendBufferSize = 8 * 1024, int receiveBufferSize = 8 * 1024)
{
int max = 8 * 1024;
int min = 16;
this.SendBufferSize = sendBufferSize < min ? min : (sendBufferSize > max ? max : sendBufferSize);
this.ReceiveBufferSize = receiveBufferSize < min ? min : (receiveBufferSize > max ? max : receiveBufferSize);
this._buffer = new BufferModel(this.ReceiveBufferSize);
this._cache = new CacheModel();
this.socket = socket;
this.isClose = false;
this.isSend = false;
this.sendQueue.Clear();
this.Handle = this.socket.Handle;
this.LocalEndPoint = this.socket.LocalEndPoint;
this.RemoteEndPoint = this.socket.RemoteEndPoint;
//this.SetKeepAlive(60 * 1000, 60 * 1000);
this.socket.SendBufferSize = this.SendBufferSize;
this.socket.ReceiveBufferSize = this.ReceiveBufferSize;
}
protected void Dispose(bool dispose)
{
if (dispose)
{
this.Close();
this.isDisposed = true;
this.m_socket = null;
this.isSend = false;
if (this.sendQueue != null)
{
this.sendQueue.Clear();
}
this.sendQueue = null;
this.UserState = null;
this.AsyncConnectEvent = null;
this.ErrorEvent = null;
this.ReadingEvent = null;
this.m_buffer = null;
this.m_cache = null;
this.ReceiveEvent = null;
this.sendLock = null;
}
}
protected override bool ReceiveData(BufferModel buffer, CacheModel cache, out List <byte[]> data)
{
data = null;
if (cache.Size == 0 && buffer.Position < SocketHelper.PREFIX_LENGTH)
{
return(true);
}
else
{
int start = 0;
while (start < cache.Position + buffer.Position)
{
int len = 0;
if (cache.Position > 0)
{
len = cache.Size;
}
else
{
byte[] arrlen = new byte[SocketHelper.PREFIX_LENGTH];
Array.Copy(buffer.Data, start, arrlen, 0, arrlen.Length);
len = SocketHelper.ToPrefixLength(arrlen);
}
if (len <= 0 || len > SocketHelper.MAX_PREFIX_LENGTH)
{
return(false);
}
if (start + len <= cache.Position + buffer.Position)
{
if (cache.Position > 0)
{
Array.Copy(buffer.Data, start, cache.Data, cache.Position, len - cache.Position);
if (data == null)
{
data = new List <byte[]>(3);
}
data.Add(cache.Data);
start = len - cache.Position;
cache.Clear();
}
else
{
var temp = new byte[len];
Array.Copy(buffer.Data, start, temp, 0, temp.Length);
if (data == null)
{
data = new List <byte[]>(3);
}
data.Add(temp);
start += len;
}
if (start == buffer.Position)
{
buffer.Clear();
}
}
else
{
if (cache.Position == 0)
{
cache.Data = new byte[len];
cache.Size = len;
}
Array.Copy(buffer.Data, start, cache.Data, cache.Position, buffer.Position - start);
cache.Position = cache.Position + buffer.Position - start;
start = cache.Position;
buffer.Clear();
}
}
}
return(true);
}
protected abstract bool ReceiveData(BufferModel buffer, CacheModel cache, out List <byte[]> data);