/*

 * Copyright (c) 2016, 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.

 */

import java.io.File;

import java.io.IOException;

import java.net.URI;

import java.net.http.HttpClient;

import java.net.http.HttpRequest;

import java.net.http.HttpRequest.BodyPublishers;

import java.net.http.HttpResponse;

import java.net.http.HttpResponse.BodyHandlers;

import java.net.http.HttpTimeoutException;

import java.time.Duration;

import java.util.concurrent.CompletionException;

import javax.net.ssl.SSLServerSocket;

import javax.net.ssl.SSLParameters;

import javax.net.ssl.SSLServerSocketFactory;

import javax.net.ssl.SSLSocket;

/*

 * @test

 * @bug 8156710

 * @summary Check if HttpTimeoutException is thrown if a server doesn't reply

 * @run main/othervm Timeout

 */

public class Timeout {

    private static final int RANDOM_PORT = 0;

    private static final int TIMEOUT = 3 * 1000; // in millis

    private static final String KEYSTORE = System.getProperty("test.src")

            + File.separator + "keystore.p12";

    private static final String PASSWORD = "password";

    // indicates if server is ready to accept connections

    private static volatile boolean ready = false;

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

        test(false);

        test(true);

    }

    public static void test(boolean async) throws Exception {

        System.setProperty("javax.net.ssl.keyStore", KEYSTORE);

        System.setProperty("javax.net.ssl.keyStorePassword", PASSWORD);

        System.setProperty("javax.net.ssl.trustStore", KEYSTORE);

        System.setProperty("javax.net.ssl.trustStorePassword", PASSWORD);

        SSLServerSocketFactory factory =

                (SSLServerSocketFactory) SSLServerSocketFactory.getDefault();

        try (SSLServerSocket ssocket =

            // start server

            Thread server = new Thread(() -> {

                while (true) {

                    System.out.println("server: ready");

                    SSLParameters params = ssocket.getSSLParameters();

                    params.setApplicationProtocols(new String[]{"h2"});

                    ssocket.setSSLParameters(params);

                    ready = true;

                    try (SSLSocket socket = (SSLSocket) ssocket.accept()) {

                        // just read forever

                        System.out.println("server: accepted");

                        while (true) {

                            socket.getInputStream().read();

                        }

                    } catch (IOException e) {

                        // ignore exceptions on server side

                        System.out.println("server: exception: " + e);

                    }

                }

            });

            server.setDaemon(true);

            server.start();

            // wait for server is ready

            do {

                Thread.sleep(1000);

            } while (!ready);

            String uri = "https://localhost:" + ssocket.getLocalPort();

            if (async) {

                System.out.println(uri + ": Trying to connect asynchronously");

                connectAsync(uri);

            } else {

                System.out.println(uri + ": Trying to connect synchronously");

                connect(uri);

            }

        }

    }

    private static void connect(String server) throws Exception {

        try {

            HttpClient client = HttpClient.newBuilder()

                                          .version(HttpClient.Version.HTTP_2)

                                          .build();

            HttpRequest request = HttpRequest.newBuilder(new URI(server))

                                             .timeout(Duration.ofMillis(TIMEOUT))

                                             .POST(BodyPublishers.ofString("body"))

                                             .build();

            HttpResponse<String> response = client.send(request, BodyHandlers.ofString());

            System.out.println("Received unexpected reply: " + response.statusCode());

            throw new RuntimeException("unexpected successful connection");

        } catch (HttpTimeoutException e) {

            System.out.println("expected exception: " + e);

        }

    }

    private static void connectAsync(String server) throws Exception {

        try {

            HttpClient client = HttpClient.newBuilder()

                    .version(HttpClient.Version.HTTP_2)

                    .build();

            HttpRequest request = HttpRequest.newBuilder(new URI(server))

                    .timeout(Duration.ofMillis(TIMEOUT))

                    .POST(BodyPublishers.ofString("body"))

                    .build();

            HttpResponse<String> response = client.sendAsync(request, BodyHandlers.ofString()).join();

            System.out.println("Received unexpected reply: " + response.statusCode());

            throw new RuntimeException("unexpected successful connection");

        } catch (CompletionException e) {

            if (e.getCause() instanceof HttpTimeoutException) {

                System.out.println("expected exception: " + e.getCause());

            } else {

                throw new RuntimeException("Unexpected exception received: " + e.getCause(), e);

            }

        }

    }

}