0N/A/*
2362N/A * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
0N/A *
0N/A * Redistribution and use in source and binary forms, with or without
0N/A * modification, are permitted provided that the following conditions
0N/A * are met:
0N/A *
0N/A * - Redistributions of source code must retain the above copyright
0N/A * notice, this list of conditions and the following disclaimer.
0N/A *
0N/A * - Redistributions in binary form must reproduce the above copyright
0N/A * notice, this list of conditions and the following disclaimer in the
0N/A * documentation and/or other materials provided with the distribution.
0N/A *
2362N/A * - Neither the name of Oracle nor the names of its
0N/A * contributors may be used to endorse or promote products derived
0N/A * from this software without specific prior written permission.
0N/A *
0N/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
0N/A * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
0N/A * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
0N/A * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
0N/A * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
0N/A * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
0N/A * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
0N/A * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
0N/A * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
0N/A * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
0N/A * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
0N/A */
0N/A
4378N/A/*
4378N/A * This source code is provided to illustrate the usage of a given feature
4378N/A * or technique and has been deliberately simplified. Additional steps
4378N/A * required for a production-quality application, such as security checks,
4378N/A * input validation and proper error handling, might not be present in
4378N/A * this sample code.
4378N/A */
4378N/A
4378N/A
0N/Aimport java.util.*;
0N/Aimport java.net.*;
0N/Aimport java.io.*;
0N/A
0N/Apublic class Client
0N/A{
0N/A private final static int BYTESPEROP= PollingServer.BYTESPEROP;
0N/A private final static int PORTNUM = PollingServer.PORTNUM;
0N/A private final static int MAXCONN = PollingServer.MAXCONN;
0N/A
0N/A private static Socket[] sockArr = new Socket[MAXCONN];
0N/A private static int totalConn =10;
0N/A private static int bytesToSend =1024000;
0N/A private static int connections = 0;
0N/A private static int sends = 0;
0N/A
0N/A public static void main (String args[]) {
0N/A
0N/A String host = "localhost";
0N/A
0N/A if (args.length < 1 || args.length > 3) {
0N/A System.out.println("Usage : java Client <num_connects>");
0N/A System.out.println(" | java Client <num_connects> <server_name>");
0N/A System.out.println(" | java Client <num_connects> <server_name>" +
0N/A " <max_Kbytes>");
0N/A System.exit(-1);
0N/A }
0N/A
0N/A if (args.length >= 1)
0N/A totalConn = java.lang.Integer.valueOf(args[0]).intValue();
0N/A if (args.length >= 2)
0N/A host = args[1];
0N/A if (args.length == 3)
0N/A bytesToSend = java.lang.Integer.valueOf(args[2]).intValue() * 1024;
0N/A
0N/A
0N/A if (totalConn <= 0 || totalConn > MAXCONN) {
0N/A System.out.println("Connections out of range. Terminating.");
0N/A System.exit(-1);
0N/A }
0N/A
0N/A System.out.println("Using " + totalConn + " connections for sending " +
0N/A bytesToSend + " bytes to " + host);
0N/A
0N/A
0N/A try {
0N/A Socket ctrlSock = new Socket (host, PORTNUM);
0N/A PrintStream ctrlStream =
0N/A new PrintStream(ctrlSock.getOutputStream());
0N/A ctrlStream.println(bytesToSend);
0N/A ctrlStream.println(totalConn);
0N/A
0N/A while (connections < totalConn ) {
0N/A sockArr[connections] = new Socket (host, PORTNUM);
0N/A connections ++;
0N/A }
0N/A System.out.println("Connections made : " + connections);
0N/A
0N/A byte[] buff = new byte[BYTESPEROP];
0N/A for (int i = 0; i < BYTESPEROP; i++) // just put some junk in!
0N/A buff[i] = (byte) i;
0N/A
0N/A Random rand = new Random(5321L);
0N/A while (sends < bytesToSend/BYTESPEROP) {
0N/A int idx = java.lang.Math.abs(rand.nextInt()) % totalConn;
0N/A sockArr[idx].getOutputStream().write(buff,0,BYTESPEROP);
0N/A sends++;
0N/A }
0N/A // Wait for server to say done.
0N/A int bytes = ctrlSock.getInputStream().read(buff, 0, BYTESPEROP);
0N/A System.out.println (" Total connections : " + connections +
0N/A " Bytes sent : " + sends * BYTESPEROP +
0N/A "...Done!");
0N/A } catch (Exception e) { e.printStackTrace(); }
0N/A }
0N/A}