/*

 * Copyright (c) 2012, 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

 * @bug 8004863

 * @summary Checks for proper close code in KeepAliveStream

 */

import com.sun.net.httpserver.HttpExchange;

import com.sun.net.httpserver.HttpHandler;

import com.sun.net.httpserver.HttpServer;

import java.io.*;

import java.net.*;

import java.util.concurrent.Phaser;

// Racey test, will not always fail, but if it does then we have a problem.

public class InfiniteLoop {

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

        HttpServer server = HttpServer.create(new InetSocketAddress(0), 0);

        server.createContext("/test/InfiniteLoop", new RespHandler());

        server.start();

        try {

            InetSocketAddress address = server.getAddress();

            URL url = new URL("http://localhost:" + address.getPort()

                              + "/test/InfiniteLoop");

            final Phaser phaser = new Phaser(2);

            for (int i=0; i<10; i++) {

                HttpURLConnection uc = (HttpURLConnection)url.openConnection();

                final InputStream is = uc.getInputStream();

                final Thread thread = new Thread() {

                    public void run() {

                        try {

                            phaser.arriveAndAwaitAdvance();

                            while (is.read() != -1)

                                Thread.sleep(50);

                        } catch (Exception x) { x.printStackTrace(); }

                    }};

                thread.start();

                phaser.arriveAndAwaitAdvance();

                is.close();

                System.out.println("returned from close");

                thread.join();

            }

        } finally {

            server.stop(0);

        }

    }

    static class RespHandler implements HttpHandler {

        static final int RESP_LENGTH = 32 * 1024;

        @Override

        public void handle(HttpExchange t) throws IOException {

            InputStream is  = t.getRequestBody();

            byte[] ba = new byte[8192];

            while(is.read(ba) != -1);

            t.sendResponseHeaders(200, RESP_LENGTH);

            try (OutputStream os = t.getResponseBody()) {

                os.write(new byte[RESP_LENGTH]);

            }

            t.close();

        }

    }

}