/*

 * Copyright (c) 2006, 2011, 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 6373555

 * @summary HTTP Server failing to answer client requests

 */

import java.net.*;

import java.io.*;

import java.util.*;

import com.sun.net.httpserver.*;

import java.util.concurrent.*;

public class B6373555 {

    private static int s_received = 0;

    private static int sent = 0;

    private static int received = 0;

    private static int port;

    private static volatile boolean error = false;

    static HttpServer httpServer;

    static ExecutorService pool, execs;

    static int NUM = 1000;

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

        try {

            if (args.length > 0) {

                NUM = Integer.parseInt (args[0]);

            }

            execs = Executors.newFixedThreadPool(5);

            httpServer = createHttpServer(execs);

            port = httpServer.getAddress().getPort();

            pool = Executors.newFixedThreadPool(10);

            httpServer.start();

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

                pool.execute(new Client());

                if (error) {

                    throw new Exception ("error in test");

                }

            }

            System.out.println("Main thread waiting");

            pool.shutdown();

            long latest = System.currentTimeMillis() + 200 * 1000;

            while (System.currentTimeMillis() < latest) {

                if (pool.awaitTermination(2000L, TimeUnit.MILLISECONDS)) {

                    System.out.println("Main thread done!");

                    return;

                }

                if (error) {

                    throw new Exception ("error in test");

                }

            }

            throw new Exception ("error in test: timed out");

        } finally {

            httpServer.stop(0);

            pool.shutdownNow();

            execs.shutdownNow();

        }

    }

    public static class Client implements Runnable {

        byte[] getBuf () {

            byte[] buf = new byte [5200];

            for (int i=0; i< 5200; i++) {

                buf [i] = (byte)i;

            }

            return buf;

        }

        public void run() {

            try {

                Thread.sleep(10);

                byte[] buf = getBuf();

                URL url = new URL("http://127.0.0.1:"+port+"/test");

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

                con.setDoOutput(true);

                con.setDoInput(true);

                con.setRequestMethod("POST");

                con.setRequestProperty(

                    "Content-Type",

                    "Multipart/Related; type=\"application/xop+xml\"; boundary=\"----=_Part_0_6251267.1128549570165\"; start-info=\"text/xml\"");

                OutputStream out = con.getOutputStream();

                out.write(buf);

                out.close();

                InputStream in = con.getInputStream();

                byte[] newBuf = readFully(in);

                in.close();

                if (buf.length != newBuf.length) {

                    System.out.println("Doesn't match");

                    error = true;

                }

            }

            catch(Exception e) {

                e.printStackTrace();

                System.out.print (".");

                error = true;

            }

        }

    }

    private static byte[] readFully(InputStream istream) throws IOException {

        ByteArrayOutputStream bout = new ByteArrayOutputStream();

        byte[] buf = new byte[1024];

        int num = 0;

        if (istream != null) {

            while ((num = istream.read(buf)) != -1) {

                bout.write(buf, 0, num);

            }

        }

        byte[] ret = bout.toByteArray();

        return ret;

    }

    private static HttpServer createHttpServer(ExecutorService execs)

        throws Exception {

        InetSocketAddress inetAddress = new InetSocketAddress(0);

        HttpServer testServer = HttpServer.create(inetAddress, 15);

        testServer.setExecutor(execs);

        HttpContext context = testServer.createContext("/test");

        context.setHandler(new HttpHandler() {

            public void handle(HttpExchange msg) {

                try {

                    String method = msg.getRequestMethod();

                        if (method.equals("POST")) {

                        InputStream is = msg.getRequestBody();

                            byte[] buf = readFully(is);

                            is.close();

                            writePostReply(msg, buf);

                    } else {

                        System.out.println("****** METHOD not handled ***** "+method);

                            System.out.println("Received="+s_received);

                    }

                }

                catch(Exception e) {

                    e.printStackTrace();

                }

                finally {

                    msg.close();

                }

            }

        }

        );

        return testServer;

    }

    private static void writePostReply(HttpExchange msg, byte[] buf)

        throws Exception {

        msg.getResponseHeaders().add("Content-Type", "text/xml");

        msg.sendResponseHeaders(200, buf.length);

        OutputStream out = msg.getResponseBody();

        out.write(buf);

        out.close();

    }

}