write a program has both client and server functions

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I learned about the socket.I using winform of C# 2005.
Most server,client must write two separate programs.
Can write a chat program network LAN has both the function server client functionality?

Posted 14-Nov-11 1:33am

giatuan2011

Updated 14-Nov-11 3:47am

fjdiewornncalwe

v3

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Rajesh Anuhya · Answer 1 · 2011-11-14T02:31:00

Solution 3

Here is the CP article

Introduction to TCP client server in C#[^]

Posted 14-Nov-11 2:31am

Rajesh Anuhya

Comments

giatuan2011 14-Nov-11 23:21pm

Thank you.
Your solution is what I have learned.
I need a program for the server and client with form

Anuj Banka · Answer 2 · 2011-11-14T02:26:00

Solution 2

Yes it has both the functions.

Posted 14-Nov-11 2:26am

Anuj Banka

Comments

giatuan2011 14-Nov-11 23:24pm

Only one program is used for server and client are what you say?
I learned the two are separate

giatuan2011 14-Nov-11 23:25pm

Have You only one for both?

#realJSOP · Answer 3 · 2011-11-14T01:35:00

Solution 1

Yes.

Posted 14-Nov-11 1:35am

#realJSOP

Yvan Rodrigues · Answer 4 · 2011-11-14T03:00:00

Solution 5

Any application can both listen to a TCP port (server) on connect to a remote TCP port (client). The only restriction is that (generally) only one application can bind to a port for listening.

Posted 14-Nov-11 3:00am

Yvan Rodrigues

elgaabeb · Answer 5 · 2011-11-14T02:41:00

Solution 4

Hi there,

Yes it is possible, but its performance would be at a low level.
to make a correct architecture and high performance networking software you should use a multi-threaded programming technics.

Best Regards.

Posted 14-Nov-11 2:41am

elgaabeb

Comments

#realJSOP 14-Nov-11 8:52am

Why would you think performance would suffer? It's a chat application, and nothing more. If it were me, I'd make the program act as EITHER a server or a client. The first instance that fires up would be a server, and all other instances would be clients. Where is the performance degradation?

elgaabeb 14-Nov-11 9:06am

giatuan2011 said :
"Can write a chat program network LAN has both the function server client functionality? "
==> He want to make a unique instance to act as client and sever.
he also said :
"Most server,client must write two separate programs"
He is not talking about two seperate programs client and server, that's classic and he knows this case.
you were talking about two instance, it will act as multi-threaded program and no performance ill would be observed!!
Please let the user who asked the question to judge on the response according to his aims!!
Thank you.

#realJSOP 14-Nov-11 10:11am

I know - I said make a program that can act as EITHER a client OR a server. The first instance that runs is the server and acts ONLY as a server. The 2nd instance that runs acts as a client, and ONLY a client. By definition, each instance is running on its own thread (or thread pool). That was the entire point of what I said.