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socket programming on 2 ports

amit sanghai
Ranch Hand

Joined: Dec 05, 2000
Posts: 231
Hi,
How do I program a client application where the server communicates on 2 ports: it listens on 1 port and sends messages on another port.
It is urgent
Mallick Srinivas Choppa
Greenhorn

Joined: Jan 20, 2003
Posts: 3
HI,
When you want to receive data on one socket and send data on the defferent socket then i would say let your client and server have both client socket and server sockets .
Client application will have server socket and client socket capability.
Server application will have server socket and client socket capability.
I mean like open a server socket on server and listen for client. once the client makes a connection to server send information of the client(like its the host Ip and port where it listening ) and now server will use this information(ip and port of the client) and connects to the client. so this way one socket can used for sending and another can be used for receiving.(This type connection is used by CuteFTP if i am not wrong).
This is best way what i can thing of, as we also used such type of communication.
hope this helps
Mallick
Raghav Mathur
Ranch Hand

Joined: Jan 12, 2001
Posts: 641
Srinivas
i,am trying to do what have a suggested but in vain . PLease have a look
http://www.coderanch.com/t/205848/sockets/java/chat-server


Raghav.
 
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subject: socket programming on 2 ports