For each Tcp Connection i have to a server, how do i manage each individually?

Question

Say i have a server that listens to a TCP Port (through TcpListener), and i have five different connections to that server (through TcpClient). How would i go about sending information through streams to each one without giving the wrong information to the wrong client.
For Example:
Five clients all connected to the server. I have to send the message "this is a message" to Client 1, but i dont want to send that message to client 2, 3, 4 and 5. I also want to send the message "this is another message" to client 3 and 5 but not send that message to client 1, 2 and 4.
How exactly do i go about doing this?

score 2 · Accepted Answer · answered Oct 28 '12 at 22:13

2

The TcpListener class has the methods AcceptSocket and AcceptTcpClient. They return a different Socket (or TcpClient) for every client that connects to your server – you use these objects to send data to the individual clients.

answered Oct 28 '12 at 22:13

millimoose

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@NikkuAisuru I'm sure the documentation goes over that. – millimoose Oct 28 '12 at 22:17
So, if i use... TcpListener TCListen = new TcpListener("localhost", 90); TcpClient TClient = TCListen.AcceptTcpClient(); StreamWriter serverwriter = new StreamWriter(TClient.GetString()) then... serverwriter.Write("Message"); ... It'll only send "Message" to a single person? – phxvyper Nov 01 '12 at 00:51

score 2 · Answer 2 · edited May 23 '17 at 12:12

After you accept Socket or call AcceptTcpClient, you can differentiate them using endpoint. If you want to know what to sent to which endpoint, you should differentiate them using their IP and/or port from which the connection is coming. You can refer to this post to see how to do that getting-the-ip-address-of-a-remote-socket-endpoint

EDIT: You can see how to send/receive data for example here

For each Tcp Connection i have to a server, how do i manage each individually?

2 Answers2