/*

 * Copyright (c) 2018, 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.

 */

/*

 * @test

 * @library /test/lib

 * @build jdk.test.lib.Utils

 * @bug 8204233

 * @summary Add configurable option for enhanced socket IOException messages

 * @run main/othervm ExceptionText

 * @run main/othervm -Djdk.net.includeInExceptions= ExceptionText

 * @run main/othervm -Djdk.net.includeInExceptions=hostInfo ExceptionText

 * @run main/othervm -Djdk.net.includeInExceptions=somethingElse ExceptionText

 */

import java.net.*;

import java.io.IOException;

import java.nio.channels.ClosedChannelException;

import java.nio.channels.*;

import java.util.concurrent.ExecutionException;

import jdk.test.lib.Utils;

public class ExceptionText {

    enum TestTarget {SOCKET, CHANNEL, ASYNC_CHANNEL};

    static boolean propEnabled() {

        String val = System.getProperty("jdk.net.includeInExceptions");

        if ("hostinfo".equalsIgnoreCase(val))

            return true;

        return false;

    }

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

        boolean prop = propEnabled();

        test(prop);

    }

    static final InetSocketAddress dest  = Utils.refusingEndpoint();

    static final String PORT = ":" + Integer.toString(dest.getPort());

    static final String HOST = dest.getHostString();

    static void test(boolean withProperty) {

        // Socket

        IOException e = getException(TestTarget.SOCKET);

        checkResult(e, withProperty);

        // SocketChannel

        e = getException(TestTarget.CHANNEL);

        checkResult(e, withProperty);

        // AsyncSocketChannel

        e = getException(TestTarget.ASYNC_CHANNEL);

        checkResult(e, withProperty);

    }

    static void checkResult(IOException e, boolean withProperty) {

        String msg = e.getMessage();

        if (!withProperty) {

            if (msg.contains(HOST) || msg.contains(PORT)) {

                System.err.println("msg = " + msg);

                throw new RuntimeException("Test failed: exception contains address info");

            }

        } else {

            if (!msg.contains(HOST) || !msg.contains(PORT)) {

                if (e instanceof ClosedChannelException)

                    return; // has no detail msg

                System.err.println("msg = " + msg);

                throw new RuntimeException("Test failed: exception does not contain address info");

            }

        }

    }

    static IOException getException(TestTarget target) {

        try {

            if (target == TestTarget.SOCKET) {

                Socket s = new Socket();

                s.connect(dest);

            } else if (target == TestTarget.CHANNEL) {

                SocketChannel c = SocketChannel.open(dest);

            } else if (target == TestTarget.ASYNC_CHANNEL) {

                AsynchronousSocketChannel c = AsynchronousSocketChannel.open();

                try {

                    c.connect(dest).get();

                } catch (InterruptedException | ExecutionException ee) {

                    if (ee.getCause() instanceof IOException)

                        throw (IOException)ee.getCause();

                    throw new RuntimeException(ee.getCause());

                }

            }

            return null;

        } catch (IOException e) {

            e.printStackTrace();

            return e;

        }

    }

}