/*

 * 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.

 */

//

// Please run in othervm mode.  SunJSSE does not support dynamic system

// properties, no way to re-use system properties in samevm/agentvm mode.

//

/*

 * @test

 * @bug 8209333

 * @summary Socket reset issue for TLS 1.3 socket close

 * @library /javax/net/ssl/templates

 * @run main/othervm SSLSocketClose

 */

import javax.net.ssl.*;

import java.io.*;

import java.net.InetAddress;

public class SSLSocketClose implements SSLContextTemplate {

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

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

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

            System.err.println("loop " + i);

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

            new SSLSocketClose().test();

        }

    }

    private void test() throws Exception {

        SSLServerSocket listenSocket = null;

        SSLSocket serverSocket = null;

        ClientSocket clientSocket = null;

        try {

            SSLServerSocketFactory serversocketfactory =

                    createServerSSLContext().getServerSocketFactory();

            listenSocket =

                    (SSLServerSocket)serversocketfactory.createServerSocket(0);

            listenSocket.setNeedClientAuth(false);

            listenSocket.setEnableSessionCreation(true);

            listenSocket.setUseClientMode(false);

            System.err.println("Starting client");

            clientSocket = new ClientSocket(listenSocket.getLocalPort());

            clientSocket.start();

            System.err.println("Accepting client requests");

            serverSocket = (SSLSocket) listenSocket.accept();

            System.err.println("Reading data from client");

            BufferedReader serverReader = new BufferedReader(

                    new InputStreamReader(serverSocket.getInputStream()));

            String data = serverReader.readLine();

            System.err.println("Received data from client: " + data);

            System.err.println("Sending data to client ...");

            String serverData = "Hi, I am server";

            BufferedWriter os = new BufferedWriter(

                    new OutputStreamWriter(serverSocket.getOutputStream()));

            os.write(serverData, 0, serverData.length());

            os.newLine();

            os.flush();

            System.err.println("Reading more data from client");

            data = serverReader.readLine();

            System.err.println("Received data from client: " + data);

        } finally {

            if (listenSocket != null) {

                listenSocket.close();

            }

            if (serverSocket != null) {

                serverSocket.close();

            }

        }

        if (clientSocket != null && clientSocket.clientException != null) {

            throw clientSocket.clientException;

        }

    }

    private class ClientSocket extends Thread{

        int serverPort = 0;

        Exception clientException;

        public ClientSocket(int serverPort) {

            this.serverPort = serverPort;

        }

        @Override

        public void run() {

            SSLSocket clientSocket = null;

            String clientData = "Hi, I am client";

            try {

                System.err.println(

                        "Connecting to server at port " + serverPort);

                SSLSocketFactory sslSocketFactory =

                        createClientSSLContext().getSocketFactory();

                clientSocket = (SSLSocket)sslSocketFactory.createSocket(

                        InetAddress.getLocalHost(), serverPort);

                clientSocket.setSoLinger(true, 3);

                System.err.println("Sending data to server ...");

                BufferedWriter os = new BufferedWriter(

                        new OutputStreamWriter(clientSocket.getOutputStream()));

                os.write(clientData, 0, clientData.length());

                os.newLine();

                os.flush();

                System.err.println("Reading data from server");

                BufferedReader is = new BufferedReader(

                        new InputStreamReader(clientSocket.getInputStream()));

                String data = is.readLine();

                System.err.println("Received Data from server: " + data);

                System.err.println("Sending more data to server ...");

                os.write(clientData, 0, clientData.length());

                os.newLine();

                os.flush();

            } catch (Exception e) {

                clientException = e;

            } finally {

                if (clientSocket != null) {

                    try{

                        clientSocket.close();

                        System.err.println("client socket closed");

                    } catch (IOException ioe) {

                        clientException = ioe;

                    }

                }

            }

        }

    }

}