/*

 * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * A simple "Application" used by the Attach API unit tests. This application is

 * launched by the test. It binds to a random port and shuts down when somebody

 * connects to that port.

 * Used port and pid are written both to stdout and to a specified file.

 */

import java.net.Socket;

import java.net.ServerSocket;

import java.io.PrintWriter;

import jdk.testlibrary.ProcessTools;

public class Application {

    public static void main(String args[]) throws Exception {

        // bind to a random port

        if (args.length < 1) {

            System.err.println("First argument should be path to output file.");

        }

        String outFileName = args[0];

        ServerSocket ss = new ServerSocket(0);

        int port = ss.getLocalPort();

        int pid = ProcessTools.getProcessId();

        System.out.println("shutdownPort=" + port);

        System.out.println("pid=" + pid);

        System.out.flush();

        try (PrintWriter writer = new PrintWriter(outFileName)) {

            writer.println("shutdownPort=" + port);

            writer.println("pid=" + pid);

            writer.println("done");

            writer.flush();

        }

        // wait for test harness to connect

        Socket s = ss.accept();

        s.close();

        ss.close();

    }

}