/*
* 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 org.apache.catalina.tribes.Member;
import org.apache.catalina.tribes.group.RpcCallback;
import org.apache.catalina.tribes.Channel;
import org.apache.catalina.tribes.ManagedChannel;
import org.apache.catalina.tribes.group.RpcChannel;
import org.apache.catalina.tribes.group.Response;
/**
* <p>Title: </p>
*
* <p>Description: </p>
*
* <p>Company: </p>
*
* @author not attributable
* @version 1.0
*/
public class EchoRpcTest implements RpcCallback, Runnable {
Channel channel;
int count;
String message;
long pause;
RpcChannel rpc;
int options;
long timeout;
String name;
public EchoRpcTest(Channel channel, String name, int count, String message, long pause, int options, long timeout) {
this.channel = channel;
this.count = count;
this.message = message;
this.pause = pause;
this.options = options;
this.rpc = new RpcChannel(name.getBytes(),channel,this);
this.timeout = timeout;
this.name = name;
}
/**
* If the reply has already been sent to the requesting thread, the rpc
* callback can handle any data that comes in after the fact.
*
* @param msg Serializable
* @param sender Member
* @todo Implement this org.apache.catalina.tribes.tipis.RpcCallback
* method
*/
public void leftOver(Serializable msg, Member sender) {
System.out.println("Received a left over message from ["+sender.getName()+"] with data ["+msg+"]");
}
/**
*
* @param msg Serializable
* @param sender Member
* @return Serializable - null if no reply should be sent
* @todo Implement this org.apache.catalina.tribes.tipis.RpcCallback
* method
*/
public Serializable replyRequest(Serializable msg, Member sender) {
System.out.println("Received a reply request message from ["+sender.getName()+"] with data ["+msg+"]");
return "Reply("+name+"):"+msg;
}
public void run() {
long counter = 0;
while (counter<count) {
String msg = message + " cnt="+(++counter);
try {
System.out.println("Sending ["+msg+"]");
long start = System.currentTimeMillis();
Response[] resp = rpc.send(channel.getMembers(),(Serializable)msg,options,Channel.SEND_OPTIONS_DEFAULT,timeout);
System.out.println("Send of ["+msg+"] completed. Nr of responses="+resp.length+" Time:"+(System.currentTimeMillis()-start)+" ms.");
for ( int i=0; i<resp.length; i++ ) {
System.out.println("Received a response message from ["+resp[i].getSource().getName()+"] with data ["+resp[i].getMessage()+"]");
}
Thread.sleep(pause);
}catch(Exception x){}
}
}
public static void usage() {
System.out.println("Tribes RPC tester.");
System.out.println("Usage:\n\t"+
"java EchoRpcTest [options]\n\t"+
"Options:\n\t\t"+
"[-mode all|first|majority] \n\t\t"+
"[-debug] \n\t\t"+
"[-count messagecount] \n\t\t"+
"[-timeout timeoutinms] \n\t\t"+
"[-stats statinterval] \n\t\t"+
"[-pause nrofsecondstopausebetweensends] \n\t\t"+
"[-message message] \n\t\t"+
"[-name rpcname] \n\t\t"+
"[-break (halts execution on exception)]\n"+
"\tChannel options:"+
ChannelCreator.usage()+"\n\n"+
"Example:\n\t"+
"java EchoRpcTest -port 4004\n\t"+
"java EchoRpcTest -bind 192.168.0.45 -port 4005\n\t"+
"java EchoRpcTest -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 = 3000;
int count = 1000000;
int stats = 10000;
String name = "EchoRpcId";
boolean breakOnEx = false;
int threads = 1;
int options = RpcChannel.ALL_REPLY;
long timeout = 15000;
String message = "EchoRpcMessage";
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 ("-stats".equals(args[i])) {
stats = Integer.parseInt(args[++i]);
System.out.println("Stats every "+stats+" message");
} else if ("-timeout".equals(args[i])) {
timeout = Long.parseLong(args[++i]);
} else if ("-message".equals(args[i])) {
message = args[++i];
} else if ("-name".equals(args[i])) {
name = args[++i];
} else if ("-mode".equals(args[i])) {
if ( "all".equals(args[++i]) ) options = RpcChannel.ALL_REPLY;
else if ( "first".equals(args[i]) ) options = RpcChannel.FIRST_REPLY;
else if ( "majority".equals(args[i]) ) options = RpcChannel.MAJORITY_REPLY;
} else if ("-debug".equals(args[i])) {
debug = true;
} else if ("-help".equals(args[i]))
{
usage();
System.exit(1);
}
}
ManagedChannel channel = (ManagedChannel)ChannelCreator.createChannel(args);
EchoRpcTest test = new EchoRpcTest(channel,name,count,message,pause,options,timeout);
channel.start(channel.DEFAULT);
Runtime.getRuntime().addShutdownHook(new Shutdown(channel));
test.run();
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);
}
}}