MFC Socket programming

Hi,

I am building an MFC ActiveX control which can handle TCP/IP communication. Which class is usually used, CAsyncSocket or CSocket? I don't like the CArchive since the another end of the communication is not MFC necessary. I would appreciate any good online resource or simple example. Thanks.

Cindy
CindyZhouAsked:
Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

TriskelionCommented:
What type of transactions will your socket be doing?
0
jrocnuckCommented:
0
CindyZhouAuthor Commented:
Thank you, jrocnuck.

I checked with these samples already. But the chatter sample uses CArchive, which is not good when the other side is not MFC application.  Am I right or what?
0
Get expert help—faster!

Need expert help—fast? Use the Help Bell for personalized assistance getting answers to your important questions.

AlexFMCommented:
CSocket is very simple for using, but it is synchronous. If you are beginner, use CSocket. If you want to do professional application, use CAsyncSocket or sockets API.
My favorite sockets sample is:

http://www.codeproject.com/internet/winsockiocp.asp

It is not simple, but it shows how to build professional sockets communications using multithreading and non-blocking calls.
0
jrocnuckCommented:
CSocket is derived from CAsyncSocket, so it has all the capabilities of CAsyncSocket.  By default it is a blocking socket.  You have to call IOCTL functions to make it non blocking.

As far as the CArchive is concerned, you just remove that from the chatter sample..

basically (THIS EXAMPLE HAS NO ERROR CHECKING) you do something like this for the client:

CSocket mySocket;
UCHAR pBuffer[1024]; // data buffer
mySocket.Create( SOCK_STREAM ); // TCP socket

mySocket.Connect( "196.198.0.1", 80 ) )
// connected to server at 196.198.0.1 on port 80
sprintf( (char *) pBuffer, "Hello server!\0" );
mySocket.Send( pBuffer, 14, 0 );

mySocket.Close();
----------------------------------------------------
and for the server:

int nBytesReceived;
UCHAR pBuffer[1024];
CSocket myListenSocket;
CSocket myActiveSocket;

myListenSocket.Create( 80, SOCK_STREAM, 0 );
myListenSocket.Listen(0);
myListenSocket.Accept( myActiveSocket );
myListenSocket.Close(); // don't listen for any more connections (unless you want to)
nBytesReceived = myActiveSocket.Receive( pBuffer, 1024, 0 );
printf( "Received %d bytes, msg: %s\n", nBytesReceived, (char *)pBuffer );
myActiveSocket.Close();
0

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
senthil_kumar1980Commented:
hai,  

       I want to send more than 80000 bytes of data using multicast socket .I can't send these much of data in multicast socket.Any one please help me immediately.I think we can set using SO_SNDBUF ,But I don't know how to set these in setsocketopt.Please i am waiting for reply.


                   Thank You,
                                                By,
                                        R.Senthilkumar.
0
jrocnuckCommented:
post it as an official question so you can give points for the answer...

and post the link to the question here.
0
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
System Programming

From novice to tech pro — start learning today.

Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.