/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.catalina.tribes.demos;
import java.io.Serializable;
import java.util.Random;
import org.apache.catalina.tribes.ByteMessage;
import org.apache.catalina.tribes.ChannelException;
import org.apache.catalina.tribes.ChannelListener;
import org.apache.catalina.tribes.ManagedChannel;
import org.apache.catalina.tribes.Member;
import org.apache.catalina.tribes.MembershipListener;
import org.apache.catalina.tribes.io.XByteBuffer;
import org.apache.catalina.tribes.Channel;
import java.io.Externalizable;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
/**
* <p>Title: </p>
*
* <p>Description: </p>
*
* <p>Company: </p>
*
* @author not attributable
* @version 1.0
*/
public class LoadTest implements MembershipListener,ChannelListener, Runnable {
protected static Log log = LogFactory.getLog(LoadTest.class);
public static int size = 24000;
public static Object mutex = new Object();
public boolean doRun = true;
public long bytesReceived = 0;
public float mBytesReceived = 0;
public int messagesReceived = 0;
public boolean send = true;
public boolean debug = false;
public int msgCount = 100;
ManagedChannel channel=null;
public int statsInterval = 10000;
public long pause = 0;
public boolean breakonChannelException = false;
public boolean async = false;
public long receiveStart = 0;
public int channelOptions = Channel.SEND_OPTIONS_DEFAULT;
static int messageSize = 0;
public static long messagesSent = 0;
public static long messageStartSendTime = 0;
public static long messageEndSendTime = 0;
public static int threadCount = 0;
public static synchronized void startTest() {
threadCount++;
if ( messageStartSendTime == 0 ) messageStartSendTime = System.currentTimeMillis();
}
public static synchronized void endTest() {
threadCount--;
if ( messageEndSendTime == 0 && threadCount==0 ) messageEndSendTime = System.currentTimeMillis();
}
public static synchronized long addSendStats(long count) {
messagesSent+=count;
return 0l;
}
private static void printSendStats(long counter, int messageSize) {
float cnt = (float)counter;
float size = (float)messageSize;
float time = (float)(System.currentTimeMillis()-messageStartSendTime) / 1000f;
log.info("****SEND STATS-"+Thread.currentThread().getName()+"*****"+
"\n\tMessage count:"+counter+
"\n\tTotal bytes :"+(long)(size*cnt)+
"\n\tTotal seconds:"+(time)+
"\n\tBytes/second :"+(size*cnt/time)+
"\n\tMBytes/second:"+(size*cnt/time/1024f/1024f));
}
public LoadTest(ManagedChannel channel,
boolean send,
int msgCount,
boolean debug,
long pause,
int stats,
boolean breakOnEx) {
this.channel = channel;
this.send = send;
this.msgCount = msgCount;
this.debug = debug;
this.pause = pause;
this.statsInterval = stats;
this.breakonChannelException = breakOnEx;
}
public void run() {
long counter = 0;
long total = 0;
LoadMessage msg = new LoadMessage();
int messageSize = LoadTest.messageSize;
try {
startTest();
while (total < msgCount) {
if (channel.getMembers().length == 0 || (!send)) {
synchronized (mutex) {
try {
mutex.wait();
} catch (InterruptedException x) {
log.info("Thread interrupted from wait");
}
}
} else {
try {
//msg.setMsgNr((int)++total);
counter++;
if (debug) {
printArray(msg.getMessage());
}
channel.send(channel.getMembers(), msg, channelOptions);
if ( pause > 0 ) {
if ( debug) System.out.println("Pausing sender for "+pause+" ms.");
Thread.sleep(pause);
}
} catch (ChannelException x) {
if ( debug ) log.error("Unable to send message:"+x.getMessage(),x);
log.error("Unable to send message:"+x.getMessage());
ChannelException.FaultyMember[] faulty = x.getFaultyMembers();
for (int i=0; i<faulty.length; i++ ) log.error("Faulty: "+faulty[i]);
--counter;
if ( this.breakonChannelException ) throw x;
}
}
if ( (counter % statsInterval) == 0 && (counter > 0)) {
//add to the global counter
counter = addSendStats(counter);
//print from the global counter
//printSendStats(LoadTest.messagesSent, LoadTest.messageSize, LoadTest.messageSendTime);
printSendStats(LoadTest.messagesSent, LoadTest.messageSize);
}
}
}catch ( Exception x ) {
log.error("Captured error while sending:"+x.getMessage());
if ( debug ) log.error("",x);
printSendStats(LoadTest.messagesSent, LoadTest.messageSize);
}
endTest();
}
/**
* memberAdded
*
* @param member Member
* @todo Implement this org.apache.catalina.tribes.MembershipListener
* method
*/
public void memberAdded(Member member) {
log.info("Member added:"+member);
synchronized (mutex) {
mutex.notifyAll();
}
}
/**
* memberDisappeared
*
* @param member Member
* @todo Implement this org.apache.catalina.tribes.MembershipListener
* method
*/
public void memberDisappeared(Member member) {
log.info("Member disappeared:"+member);
}
public boolean accept(Serializable msg, Member mbr){
return (msg instanceof LoadMessage) || (msg instanceof ByteMessage);
}
public void messageReceived(Serializable msg, Member mbr){
if ( receiveStart == 0 ) receiveStart = System.currentTimeMillis();
if ( debug ) {
if ( msg instanceof LoadMessage ) {
printArray(((LoadMessage)msg).getMessage());
}
}
if ( msg instanceof ByteMessage && !(msg instanceof LoadMessage)) {
LoadMessage tmp = new LoadMessage();
tmp.setMessage(((ByteMessage)msg).getMessage());
msg = tmp;
tmp = null;
}
bytesReceived+=((LoadMessage)msg).getMessage().length;
mBytesReceived+=((float)((LoadMessage)msg).getMessage().length)/1024f/1024f;
messagesReceived++;
if ( (messagesReceived%statsInterval)==0 || (messagesReceived==msgCount)) {
float bytes = (float)(((LoadMessage)msg).getMessage().length*messagesReceived);
float seconds = ((float)(System.currentTimeMillis()-receiveStart)) / 1000f;
log.info("****RECEIVE STATS-"+Thread.currentThread().getName()+"*****"+
"\n\tMessage count :"+(long)messagesReceived+
"\n\tMessage/sec :"+messagesReceived/seconds+
"\n\tTotal bytes :"+(long)bytes+
"\n\tTotal mbytes :"+(long)mBytesReceived+
"\n\tTime since 1st:"+seconds+" seconds"+
"\n\tBytes/second :"+(bytes/seconds)+
"\n\tMBytes/second :"+(mBytesReceived/seconds)+"\n");
}
}
public static void printArray(byte[] data) {
System.out.print("{");
for (int i=0; i<data.length; i++ ) {
System.out.print(data[i]);
System.out.print(",");
}
System.out.println("} size:"+data.length);
}
//public static class LoadMessage implements Serializable {
public static class LoadMessage extends ByteMessage implements Serializable {
public static byte[] outdata = new byte[size];
public static Random r = new Random();
public static int getMessageSize (LoadMessage msg) {
int messageSize = msg.getMessage().length;
if ( ((Object)msg) instanceof ByteMessage ) return messageSize;
try {
messageSize = XByteBuffer.serialize(new LoadMessage()).length;
log.info("Average message size:" + messageSize + " bytes");
} catch (Exception x) {
log.error("Unable to calculate test message size.", x);
}
return messageSize;
}
static {
r.nextBytes(outdata);
}
protected byte[] message = getMessage();
public LoadMessage() {
}
public byte[] getMessage() {
if ( message == null ) {
message = outdata;
}
return message;
}
public void setMessage(byte[] data) {
this.message = data;
}
}
public static void usage() {
System.out.println("Tribes Load tester.");
System.out.println("The load tester can be used in sender or received mode or both");
System.out.println("Usage:\n\t"+
"java LoadTest [options]\n\t"+
"Options:\n\t\t"+
"[-mode receive|send|both] \n\t\t"+
"[-startoptions startflags (default is Channel.DEFAULT) ] \n\t\t"+
"[-debug] \n\t\t"+
"[-count messagecount] \n\t\t"+
"[-stats statinterval] \n\t\t"+
"[-pause nrofsecondstopausebetweensends] \n\t\t"+
"[-threads numberofsenderthreads] \n\t\t"+
"[-size messagesize] \n\t\t"+
"[-sendoptions channeloptions] \n\t\t"+
"[-break (halts execution on exception)]\n"+
"[-shutdown (issues a channel.stop() command after send is completed)]\n"+
"\tChannel options:"+
ChannelCreator.usage()+"\n\n"+
"Example:\n\t"+
"java LoadTest -port 4004\n\t"+
"java LoadTest -bind 192.168.0.45 -port 4005\n\t"+
"java LoadTest -bind 192.168.0.45 -port 4005 -mbind 192.168.0.45 -count 100 -stats 10\n");
}
public static void main(String[] args) throws Exception {
boolean send = true;
boolean debug = false;
long pause = 0;
int count = 1000000;
int stats = 10000;
boolean breakOnEx = false;
int threads = 1;
boolean shutdown = false;
int startoptions = Channel.DEFAULT;
int channelOptions = Channel.SEND_OPTIONS_DEFAULT;
if ( args.length == 0 ) {
args = new String[] {"-help"};
}
for (int i = 0; i < args.length; i++) {
if ("-threads".equals(args[i])) {
threads = Integer.parseInt(args[++i]);
} else if ("-count".equals(args[i])) {
count = Integer.parseInt(args[++i]);
System.out.println("Sending "+count+" messages.");
} else if ("-pause".equals(args[i])) {
pause = Long.parseLong(args[++i])*1000;
} else if ("-break".equals(args[i])) {
breakOnEx = true;
} else if ("-shutdown".equals(args[i])) {
shutdown = true;
} else if ("-stats".equals(args[i])) {
stats = Integer.parseInt(args[++i]);
System.out.println("Stats every "+stats+" message");
} else if ("-sendoptions".equals(args[i])) {
channelOptions = Integer.parseInt(args[++i]);
System.out.println("Setting send options to "+channelOptions);
} else if ("-startoptions".equals(args[i])) {
startoptions = Integer.parseInt(args[++i]);
System.out.println("Setting start options to "+startoptions);
} else if ("-size".equals(args[i])) {
size = Integer.parseInt(args[++i])-4;
System.out.println("Message size will be:"+(size+4)+" bytes");
} else if ("-mode".equals(args[i])) {
if ( "receive".equals(args[++i]) ) send = false;
} else if ("-debug".equals(args[i])) {
debug = true;
} else if ("-help".equals(args[i]))
{
usage();
System.exit(1);
}
}
ManagedChannel channel = (ManagedChannel)ChannelCreator.createChannel(args);
LoadTest test = new LoadTest(channel,send,count,debug,pause,stats,breakOnEx);
test.channelOptions = channelOptions;
LoadMessage msg = new LoadMessage();
messageSize = LoadMessage.getMessageSize(msg);
channel.addChannelListener(test);
channel.addMembershipListener(test);
channel.start(startoptions);
Runtime.getRuntime().addShutdownHook(new Shutdown(channel));
while ( threads > 1 ) {
Thread t = new Thread(test);
t.setDaemon(true);
t.start();
threads--;
test = new LoadTest(channel,send,count,debug,pause,stats,breakOnEx);
test.channelOptions = channelOptions;
}
test.run();
if ( shutdown && send ) channel.stop(channel.DEFAULT);
System.out.println("System test complete, sleeping to let threads finish.");
Thread.sleep(60*1000*60);
}
public static class Shutdown extends Thread {
ManagedChannel channel = null;
public Shutdown(ManagedChannel channel) {
this.channel = channel;
}
public void run() {
System.out.println("Shutting down...");
SystemExit exit = new SystemExit(5000);
exit.setDaemon(true);
exit.start();
try {
channel.stop(channel.DEFAULT);
}catch ( Exception x ) {
x.printStackTrace();
}
System.out.println("Channel stopped.");
}
}
public static class SystemExit extends Thread {
private long delay;
public SystemExit(long delay) {
this.delay = delay;
}
public void run () {
try {
Thread.sleep(delay);
}catch ( Exception x ) {
x.printStackTrace();
}
System.exit(0);
}
}
}