public SendBufferManager(int bufferSize)
{
_bufferManager = new DynamicBufferManager(bufferSize);
_sendBufferList = new List <SendBufferPacket>();
_sendBufferPacket.Offset = 0;
_sendBufferPacket.Count = 0;
}
protected AppBaseClient(int timeout = 1000, int receiveBufferSize = 1024 *4)
{
_client = new TcpClient();
_client.Client.Blocking = true;
Timeout = timeout;
_recvBuffer = new DynamicBufferManager(receiveBufferSize);
_sendBuffer = new DynamicBufferManager(receiveBufferSize);
}
public UserToken(int asyncReceiveBufferSize, int initBufferSize = 1024 *4)
{
_connectSocket = null;
_protocol = null;
_receiveEventArgs = new SocketAsyncEventArgs();
_receiveEventArgs.UserToken = this;
_asyncReceiveBuffer = new byte[asyncReceiveBufferSize];
_receiveEventArgs.SetBuffer(_asyncReceiveBuffer, 0, _asyncReceiveBuffer.Length);
_sendEventArgs = new SocketAsyncEventArgs();
_sendEventArgs.UserToken = this;
_receiveBuffer = new DynamicBufferManager(initBufferSize);
_sendBuffer = new SendBufferManager(initBufferSize);;
}
//接收异步事件返回的数据，用于对数据进行缓存和分包
internal bool ProcessReceive(byte[] buffer, int offset, int count)
{
_activeTime = DateTime.UtcNow;
DynamicBufferManager receiveBuffer = _token.ReceiveBuffer;
receiveBuffer.WriteBuffer(buffer, offset, count);
bool result = true;
while (receiveBuffer.Count > sizeof(int))
{
//按照长度分包
int packetLength = BitConverter.ToInt32(receiveBuffer.Buffer, 0); //获取包长度
if (NetByteOrder)
{
packetLength = IPAddress.NetworkToHostOrder(packetLength); //把网络字节顺序转为本地字节顺序
}
if ((packetLength > 10 * 1024 * 1024) | (receiveBuffer.Count > 10 * 1024 * 1024)) //最大Buffer异常保护
{
return(false);
}
if ((receiveBuffer.Count - sizeof(int)) >= packetLength) //收到的数据达到包长度
{
result = ProcessPacket(receiveBuffer.Buffer, sizeof(int), packetLength);
if (result)
{
receiveBuffer.Clear(packetLength + sizeof(int)); //从缓存中清理
}
else
{
return(result);
}
}
else
{
return(true);
}
}
return(true);
}