CODEWITHSUNDEEP
javasockets
WonderCsabo
WonderCsabo

Reputation: 12207

Test two clients directly connecting on the same IP and port

My two clients have to communicate directly with each other. Both of them has ServerSocket and Socket, too. I can demonstrate it with this code snippet:

final ServerSocket serverSocket = new ServerSocket(12345);

new Thread(new Runnable() {

    @Override
    public void run() {
        try {
            Socket clientSocket = serverSocket.accept();
            System.out.println(clientSocket.getInputStream().read());
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}).start();

Socket clientSocket = new Socket(InetAddress.getLocalHost(), 12345);
clientSocket.getOutputStream().write(1);
clientSocket.getOutputStream().flush();

It works OK, but i cannot test them, if they are on the same IP (for example on localhost), because the client will connect to itself. My question is, how can i test or rewrite this, to test two client connecting to each other on the same IP and port?

Upvotes: 0

Views: 112

Answers (1)

javadeveloper
javadeveloper

Reputation: 321

Make the port number configurable via a command line argument, property file or some other way. For the client side you'll need to provide port number of the other instance.

Upvotes: 2

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