private void ReceiveLengthCallback(IAsyncResult ar)
{
if (Socket == null)
{
return;
}
try
{
int length = Socket.EndReceive(ar);
if (length <= 0)
{
Disconnect();
return;
}
ReceivedLength += length;
if (ReceivedLength == 4)
{
NextPacketLength = BitConverter.ToInt32(RecvBuffer, 0) - 4;
ReceivedLength = 0;
BeginReceiveData();
}
else
{
BeginReceiveLength();
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
Disconnect();
}
}
/// <summary>
/// </summary>
/// <param name="ar">The ar.</param>
protected virtual void EndDataReceive(IAsyncResult ar)
{
if (this.socket == null || !this.socket.Connected)
{
return;
}
int cnt = 0;
try
{
ProxySocket socket = (ProxySocket)ar.AsyncState;
cnt = socket.EndReceive(ar);
if (cnt != 0)
{
ByteBuffer byteBuffer = new ByteBuffer(receiveBuf, 0, cnt);
try
{
policy.PushIn(byteBuffer);
}
catch (Exception e)
{
policy.PushIn(policy.CreateErrorPacket(ErrorPacketType.RUNTIME_ERROR, this.Name, e));
}
//创建一个新的字节对象
receiveBuf.Initialize();
}
BeginDataReceive(socket);
}
catch (Exception e)
{
policy.OnNetworkError(e);
}
}
private void ReceiveLengthCallback(IAsyncResult ar)
{
if (_socket == null)
{
return;
}
try
{
int length = _socket.EndReceive(ar);
if (length <= 0)
{
Log.Warn($"Received invalid packet length {length}, disconnecting");
Disconnect();
return;
}
_receivedLength += length;
if (_receivedLength == 4)
{
_nextPacketLength = BitConverter.ToInt32(_recvBuffer, 0) - 4;
Log.Debug($"Received length {_nextPacketLength}");
_receivedLength = 0;
BeginReceiveData();
// TODO: Ensure not bigger than recv buffer
}
else
{
BeginReceiveLength();
}
}
catch (Exception e)
{
Log.Warn("Exception occurred while receiving, disconnecting", e);
Disconnect();
}
}