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Featured Article

Client / Server programming - generic steps to start a server or a client

Client/server network programming requires a server running on one machine to listen and answer requests and one or more clients running either on the same machine or different machines connected to the server through a network.

Independent from your operating system and programming language, you'll have to follow the following basic steps to create and run a server (the function refers to the unix naming convention; almost all languages have interfaces to them):

Create a socket with socket
Bind the socket to a port address with bind
Listen to the socket at the port address with listen
Accept client connections with accept

Creating a client involves less steps:

Create a socket with socket
Connect the socket to the remote machine with connect

Most modern environments offer classes, components, beans, Active-X controls.. libraries.. to abstract this process but it's good to know the basic steps that happen behind the scenes in case you get an error message 'Cannot bind socket'.. 'port already in use'.

Most recent comments

2009-11-20 15:51:39:
by anonymous
in Dating Scams
on Dating scammer Esther Ansomaa from Accra, Ghana:

This one is a scammer... Has been asking me for money from day one.

Malaria, diseases, need a phone, need a webcam, start business to support herself... You name it!

Cynthia (Cyn) Ts ... read more

2009-11-20 15:42:53:
by [hidden]
in Male Dating Scammers
on Dating scammer Telvis Emmanuel Garry:
Some of these photos are currently being used by someone on match.com. He showed up in my 'Today's Matches'. I recognized the photos and reported it to Match. The profile name is akf999 and sais he li ... read more

2009-11-20 15:27:06:
by ww
in Dating Scams
on Primer for first time visitors (Dating Scams):

@OJAS
And here it is .

2009-11-20 14:52:51:
by ww
in Dating Scams
on Is this Russian girl scamming me? How to recognize scammers:

And I tried enlarging her eye.
Here it is.

2009-11-20 14:43:11:
by jennymathey
in Male Dating Scammers
on Dating scammer Austin Grello:
the email does no match and neither does his last name but i was talking with a man named austin and i have his pics that i will post i dont know if he is the same man but i admit that i sent him 50 ... read more

2009-11-20 14:28:25:
by anonymous
in Dating Scams
on Dating scammer sandra mark:
THAT IS BAD.....WHY THOSE NIGERIAN ARE SCAMMING.....

2009-11-20 13:45:23:
by agent110
in Dating Scams
on Dating scammer Olga Chernova from Kstovo, Russia:

good night the friends exactly the meme letre which j have recue the premiere time except the prenom which has etait to change and the photograph I am going to re-lay him tres mildly and to cook it on ... read more

2009-11-20 13:44:13:
by anonymous
in Dating Scams
on Dating scammer Glory Gukama:
I RECEIVED THE ABOVE E MAIL FROM ONE HAPINESS GUKAMA, I KNEW IMMEDIATELY IT WAS A SCAM, BUT I DECIDE TO PLAY ALONG, NOW THEY HAVE ASK FOR MONEY TO BE SENT TO A LAWYER IN SENEGAL, I EVEN TOLD THEM I AM ... read more

2009-11-20 13:39:59:
by ww
in Dating Scams
on Dating scammer Olga:

same girl ?

2009-11-20 13:39:28:
by anonymous
in Dating Scams
on Dating scammer Christie John:

Christie John


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