Comments on: Socket Programming – An Instant Messenger Prereq.

By: placibo

placibo — Sat, 17 Oct 2009 22:37:36 +0000

cool application arafat. thx for posting. Nowadays I am trying to implement a voip softphone which can also handle teleconferation. In this case I've gotta long way to learn on protocols such TCP/IP or the most important for me is SIP. Have you ever made some sort of application about this? Or you have any idea how to use SIP? Any clue will help me to find a way. Thx again for your post.

By: placibo

placibo — Sat, 17 Oct 2009 15:37:36 +0000

By: Arafat

Arafat — Wed, 04 Feb 2009 08:32:06 +0000

Hey cat_sin

Basically, this article is just an introduction. I just tried to cover up the essentials in that.

Regarding your query; you can enclose the following in while loop and I hope it will work for you.

string Message = Console.ReadLine();
ObjClient.SendMessage(Message);

By: cat_sin

cat_sin — Wed, 04 Feb 2009 06:53:51 +0000

Hi Arafat,

This article is great but i have some problem with it. when i try to type message on the client side n press enter, the interface closed. The message that typed by the client sent to the server successfully and after showing that message, the server will show that client is disconnect. Actually what mistake i made? is it any ideas on how to solve this problem? Can sir guide me ?

By: Arafat

Arafat — Thu, 04 Dec 2008 05:48:52 +0000

Hello someone,

To check the server is up or down, you’d have to write PING for that (quite a long process). If you have made a disconnect button, you should have CONNECT button as well and if you have CONNECT button, that can easily determine whether the server is started or not by a command above Client.Connect(…).

I am working on the next part of this article which is a LAN messenger and I hope that would help you in developing a simple chat application.

By: someone

someone — Tue, 02 Dec 2008 21:40:10 +0000

do someone know how i could check using .net if the server started? i made a “disconnect” button and now i can’t check if the server started, so i can enable that button. i wanted also like to add a statusbar which will show the conneciton status.

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