Re: Passing a GUI handle to a socket and Postmessage back to GUI

From:
"AliR \(VC++ MVP\)" <AliR@online.nospam>
Newsgroups:
microsoft.public.vc.mfc
Date:
Wed, 18 Mar 2009 13:46:03 -0500
Message-ID:
<Hkbwl.10089$jZ1.6333@flpi144.ffdc.sbc.com>
"KW" <KW@there.com> wrote in message
news:OZqIWK$pJHA.1172@TK2MSFTNGP04.phx.gbl...

"Scott McPhillips [MVP]" <org-dot-mvps-at-scottmcp> wrote in message
news:uUolRP%23pJHA.4564@TK2MSFTNGP02.phx.gbl...

"KW" <KW@there.com> wrote in message
news:eiAPN%239pJHA.5332@TK2MSFTNGP03.phx.gbl...

I have more questions for those who can help.

There will be approximately 12 clients connecting to my server.
The traffic on these connections will be VERY low.

When I call create(portnum), all clients connect to this port. I would
like to keep track of which station is actually connected at any given
time. I know I can use GetPeerName() to get the IP of the connected
client (which would ID the client), but I wonder if I may need to use a
different port number if the client IP was changed without my knowledge.


If the network uses DHCP then client IPs are likely to change from day to
day. Why not have the clients send a message that identifies them in
some application-unique way?


I will keep this idea in mind. However, I may have no input on what
messages are sent by the clients. I'm just trying to get ahead of the
curve and cover the worse case scenario.


I don't understand this statement. The server can require a "handshake
message" for initialization, in other words, the connection wouldn't be live
until the client sends that initial message that identifies it, after that
your server would acknowledge the connection.

AliR.

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