Re: Problems with CAsyncSocket::Send.
I am using CAsyncSocket to create a TCP server. My class accepts client
requests and I create client "worker" classes for each connected client.
Sometimes I have problems when I send data to the client. I think this is
because I don't understand what I should be doing.
Currently in the client class, to send data, I just call CAsyncSocket::Send.
It usually works, but sometimes it returns SOCKET_ERROR and GetLastError
I look through the MFC documentation and I think I should be using OnSend
somehow. But I don't know the details.
Can someone please tell me what I should do.
When you get WSAEWOULDBLOCK the winsock buffers or network or receiving
machine is busy. It is a form of throttling that means 'wait a while.'
When you get the call to OnSend it means you can resume sending. Then
you can once again send all you like, as many times as you like, until
another WSAEWOULDBLOCK happens.
Scott McPhillips [VC++ MVP]
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