/*

 * 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

 * @bug 8169358

 * @summary  HttpServer does not close client connection when RejectedExecutionException occurs.

 */

import com.sun.net.httpserver.HttpServer;

import java.io.IOException;

import java.net.HttpURLConnection;

import java.net.InetAddress;

import java.net.InetSocketAddress;

import java.net.MalformedURLException;

import java.net.SocketException;

import java.net.SocketTimeoutException;

import java.net.URL;

import java.util.concurrent.Executor;

import java.util.concurrent.Executors;

import java.util.concurrent.RejectedExecutionException;

import java.util.logging.ConsoleHandler;

import java.util.logging.Handler;

import java.util.logging.Level;

import java.util.logging.Logger;

public class TaskRejectedTest {

    private static final int BACKLOG = 0;

    private static final String REQUEST_PATH = "/";

    private static final int TIMEOUT = 10000; // 10 sec

    private static void runClient(InetSocketAddress listenAddr)

                                     throws MalformedURLException, IOException {

        URL url = new URL("http", listenAddr.getHostString(),

                                            listenAddr.getPort(), REQUEST_PATH);

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

        con.setConnectTimeout(TIMEOUT);

        con.setReadTimeout(TIMEOUT);

        try {

            con.connect();

            con.getResponseCode();

        } catch (SocketTimeoutException e) {

            throw new RuntimeException("Connection was not closed by peer.", e);

        } catch (SocketException e) {

            // Expected (connection reset)

        } finally {

            con.disconnect();

        }

    }

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

        Logger logger = Logger.getLogger(

                            HttpServer.class.getPackage().getName());

        Handler consoleHandler = new ConsoleHandler();

        consoleHandler.setLevel(Level.FINEST);

        logger.setLevel(Level.FINEST);

        logger.addHandler(consoleHandler);

        Executor executor = Executors.newSingleThreadExecutor(r -> {

            throw new RejectedExecutionException("test");

        });

        InetSocketAddress addr = new InetSocketAddress(

                                         InetAddress.getLoopbackAddress(), 0);

        HttpServer httpServer = HttpServer.create(addr, BACKLOG);

        httpServer.setExecutor(executor);

        httpServer.createContext(REQUEST_PATH, exc -> {

            exc.sendResponseHeaders(200, 0);

            exc.close();

        });

        try {

            httpServer.start();

            runClient(httpServer.getAddress());

        } finally {

            httpServer.stop(0);

        }

    }

}