Re: Timeout in a CSOCKET

"Scott McPhillips [MVP]" <org-dot-mvps-at-scottmcp>
Mon, 24 Jul 2006 13:26:59 -0400
Papastefanos Serafeim wrote:

I'm not sure if it's the correct newsgroup. If it's
not tell me and I'll repost to

I have written some code using CSocket, and
now there's a requirement for a timeout when
receiving data. So, I just want to do something

CSocket s;
if(s.Recv(...) == ERROR_TIMEOUT ) {
} else {

without changing many things in the already
written code. Is this possible or I have to use
another class ?

Thanks for any help !

CSocket is not designed to be used directly. The minimum change you can
try is to derive a class from CSocket and only call Receive when your
derived class OnReceive is called. OnReceive tells you that some data
is available.

CSocket is designed to provide blocking calls that do not return until
satisfied. But that is a very poor design fit in a GUI application,
where you also must continue to respond to user input and screen
updates. The solution to that larger problem is to use CAsyncSocket,
which always returns quickly so you can continue to service the GUI.

Scott McPhillips [VC++ MVP]

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