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/**
* This class is a syslog traffic generator. It is primarily intended to be used
* together with testing tools, but may have some use cases outside that domain.
*
* @author Rainer Gerhards
*
* Copyright 2009 Rainer Gerhards and Adiscon GmbH.
*
* This file is part of rsyslog.
*
* Rsyslog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Rsyslog 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with Rsyslog. If not, see http://www.gnu.org/licenses/.
*
* A copy of the GPL can be found in the file "COPYING" in this distribution.
*/
package com.rsyslog.lib;
public class SyslogTrafficGenerator extends Thread {
/** the target host to receive traffic */
private String target;
/** the message (template) to be sent */
private String message;
/** number of messages to be sent */
private long nummsgs;
/** Constructs Sender, sets target system.
* @param target the system to connect to. Syntax of target is depending
* on the underlying transport.
*/
public SyslogTrafficGenerator(String target, String message, long nummsgs) {
this.target = target;
this.message = message;
this.nummsgs = nummsgs;
}
/** Generates the traffic. Stops when either called to terminate
* or the max number of messages have been sent. Note that all
* necessary properties must have been set up before starting the
* generator thread!
*/
private void performTest() throws Exception {
int doDisp = 0;
UDPSyslogSender sender = new UDPSyslogSender(target);
for(long i = 0 ; i < nummsgs ; ++i) {
sender.sendMSG(message + " " + Long.toString(i) + " " + this.toString() + "\0");
if((doDisp++ % 1000) == 0)
System.out.println(this.toString() + " send message " + Long.toString(i));
sleep(1);
}
}
/** Wrapper around the real traffic generator, catches exceptions.
*/
public void run() {
System.out.println("traffic generator " + this.toString() + " thread started");
try {
performTest();
}
catch(Exception e) {
/* at some time, we may find a more intelligent way to
* handle this! ;)
*/
System.out.println(e.toString());
}
System.out.println("traffic generator " + this.toString() + " thread finished");
}
}
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