Re: setup user thread in SDI application

"Scott McPhillips [MVP]" <org-dot-mvps-at-scottmcp>
Sun, 23 May 2010 11:53:02 -0400
"bernd" <> wrote in message

It is a common method to create a new thread in the OnReceive-function
of CAsynSocket? The goal I want to acchieve is to process the incoming
data without affecting the working with the GUI (touch screen). So
that if a lot of data packets will arrive the user won`t noticed that.

No, that would not be a good idea. If you intend to process the incoming
data in a thread there is no advantage to putting the socket in the main
thread. Go ahead and put the socket in the data handling thread.

For example: DHCP: waiting for an ip addr (getting from a dhcp server
in the network) can take a long time (if for example there`s no dhcp
server running in the network...); during this process, the user
should always be able to work with the GUI or do any other things.
Maybe there`s another way to acchieve this (without different

CAsyncSocket is non-blocking. That means it does not block the GUI. Even
if the Connect call takes a long time the call returns quicklly, then it
notifies you later with the OnConnect call.

Moreover: is there any algorithm already installed (using CAsynSocket)
storing all incoming packets in a list as long as these packets will
be proceed by the user function (starting from the OnReceive-Handle)?

Nothing like that. All handling of the OnReceive data is up to you.

Scott McPhillips [VC++ MVP]

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