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