/*
* Copyright 1999,2004-2006 The Apache Software Foundation.
*
* Licensed 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.util.Iterator;
import java.util.Properties;
import org.apache.catalina.tribes.Channel;
import org.apache.catalina.tribes.ManagedChannel;
import org.apache.catalina.tribes.group.GroupChannel;
import org.apache.catalina.tribes.group.interceptors.FragmentationInterceptor;
import org.apache.catalina.tribes.group.interceptors.GzipInterceptor;
import org.apache.catalina.tribes.group.interceptors.MessageDispatchInterceptor;
import org.apache.catalina.tribes.group.interceptors.OrderInterceptor;
import org.apache.catalina.tribes.membership.McastService;
import org.apache.catalina.tribes.transport.MultiPointSender;
import org.apache.catalina.tribes.transport.ReceiverBase;
import org.apache.catalina.tribes.transport.ReplicationTransmitter;
import org.apache.tomcat.util.IntrospectionUtils;
/**
* <p>Title: </p>
*
* <p>Description: </p>
*
*
* <p>Company: </p>
*
* @author fhanik
* @version 1.0
*/
public class ChannelCreator {
org.apache.commons.logging.impl.LogFactoryImpl impl=null;
public static StringBuffer usage() {
StringBuffer buf = new StringBuffer();
buf.append("\n\t\t[-bind tcpbindaddress]")
.append("\n\t\t[-tcpselto tcpselectortimeout]")
.append("\n\t\t[-tcpthreads tcpthreadcount]")
.append("\n\t\t[-port tcplistenport]")
.append("\n\t\t[-autobind tcpbindtryrange]")
.append("\n\t\t[-ackto acktimeout]")
.append("\n\t\t[-receiver org.apache.catalina.tribes.transport.nio.NioReceiver|org.apache.catalina.tribes.transport.bio.BioReceiver|]")
.append("\n\t\t[-transport org.apache.catalina.tribes.transport.nio.PooledParallelSender|org.apache.catalina.tribes.transport.bio.PooledMultiSender]")
.append("\n\t\t[-transport.xxx transport specific property]")
.append("\n\t\t[-maddr multicastaddr]")
.append("\n\t\t[-mport multicastport]")
.append("\n\t\t[-mbind multicastbindaddr]")
.append("\n\t\t[-mfreq multicastfrequency]")
.append("\n\t\t[-mdrop multicastdroptime]")
.append("\n\t\t[-gzip]")
.append("\n\t\t[-order]")
.append("\n\t\t[-ordersize maxorderqueuesize]")
.append("\n\t\t[-frag]")
.append("\n\t\t[-fragsize maxmsgsize]")
.append("\n\t\t[-async]")
.append("\n\t\t[-asyncsize maxqueuesizeinbytes]");
return buf;
}
public static Channel createChannel(String[] args) throws Exception {
String bind = "auto";
int port = 4001;
String mbind = null;
boolean gzip = false;
int tcpseltimeout = 100;
int tcpthreadcount = 4;
int acktimeout = 15000;
String mcastaddr = "228.0.0.5";
int mcastport = 45565;
long mcastfreq = 500;
long mcastdrop = 2000;
boolean order = false;
int ordersize = Integer.MAX_VALUE;
boolean frag = false;
int fragsize = 1024;
int autoBind = 10;
Properties transportProperties = new Properties();
String transport = "org.apache.catalina.tribes.transport.nio.PooledParallelSender";
String receiver = "org.apache.catalina.tribes.transport.nio.NioReceiver";
boolean async = false;
int asyncsize = 1024*1024*50; //50MB
for (int i = 0; i < args.length; i++) {
if ("-bind".equals(args[i])) {
bind = args[++i];
} else if ("-port".equals(args[i])) {
port = Integer.parseInt(args[++i]);
} else if ("-autobind".equals(args[i])) {
autoBind = Integer.parseInt(args[++i]);
} else if ("-tcpselto".equals(args[i])) {
tcpseltimeout = Integer.parseInt(args[++i]);
} else if ("-tcpthreads".equals(args[i])) {
tcpthreadcount = Integer.parseInt(args[++i]);
} else if ("-gzip".equals(args[i])) {
gzip = true;
} else if ("-async".equals(args[i])) {
async = true;
} else if ("-asyncsize".equals(args[i])) {
asyncsize = Integer.parseInt(args[++i]);
System.out.println("Setting MessageDispatchInterceptor.maxQueueSize="+asyncsize);
} else if ("-order".equals(args[i])) {
order = true;
} else if ("-ordersize".equals(args[i])) {
ordersize = Integer.parseInt(args[++i]);
System.out.println("Setting OrderInterceptor.maxQueue="+ordersize);
} else if ("-frag".equals(args[i])) {
frag = true;
} else if ("-fragsize".equals(args[i])) {
fragsize = Integer.parseInt(args[++i]);
System.out.println("Setting FragmentationInterceptor.maxSize="+fragsize);
} else if ("-ackto".equals(args[i])) {
acktimeout = Integer.parseInt(args[++i]);
} else if ("-transport".equals(args[i])) {
transport = args[++i];
} else if (args[i]!=null && args[i].startsWith("transport.")) {
String key = args[i];
String val = args[++i];
transportProperties.setProperty(key,val);
} else if ("-receiver".equals(args[i])) {
receiver = args[++i];
} else if ("-maddr".equals(args[i])) {
mcastaddr = args[++i];
} else if ("-mport".equals(args[i])) {
mcastport = Integer.parseInt(args[++i]);
} else if ("-mfreq".equals(args[i])) {
mcastfreq = Long.parseLong(args[++i]);
} else if ("-mdrop".equals(args[i])) {
mcastdrop = Long.parseLong(args[++i]);
} else if ("-mbind".equals(args[i])) {
mbind = args[++i];
}
}
System.out.println("Creating receiver class="+receiver);
Class cl = Class.forName(receiver,true,ChannelCreator.class.getClassLoader());
ReceiverBase rx = (ReceiverBase)cl.newInstance();
rx.setTcpListenAddress(bind);
rx.setTcpListenPort(port);
rx.setTcpSelectorTimeout(tcpseltimeout);
rx.setTcpThreadCount(tcpthreadcount);
rx.getBind();
rx.setRxBufSize(43800);
rx.setTxBufSize(25188);
rx.setAutoBind(autoBind);
ReplicationTransmitter ps = new ReplicationTransmitter();
System.out.println("Creating transport class="+transport);
MultiPointSender sender = (MultiPointSender)Class.forName(transport,true,ChannelCreator.class.getClassLoader()).newInstance();
sender.setTimeout(acktimeout);
sender.setMaxRetryAttempts(2);
sender.setRxBufSize(43800);
sender.setTxBufSize(25188);
Iterator i = transportProperties.keySet().iterator();
while ( i.hasNext() ) {
String key = (String)i.next();
IntrospectionUtils.setProperty(sender,key,transportProperties.getProperty(key));
}
ps.setTransport(sender);
McastService service = new McastService();
service.setMcastAddr(mcastaddr);
if (mbind != null) service.setMcastBindAddress(mbind);
service.setMcastFrequency(mcastfreq);
service.setMcastDropTime(mcastdrop);
service.setMcastPort(mcastport);
ManagedChannel channel = new GroupChannel();
channel.setChannelReceiver(rx);
channel.setChannelSender(ps);
channel.setMembershipService(service);
if (gzip) channel.addInterceptor(new GzipInterceptor());
if ( frag ) {
FragmentationInterceptor fi = new FragmentationInterceptor();
fi.setMaxSize(fragsize);
channel.addInterceptor(fi);
}
if (order) {
OrderInterceptor oi = new OrderInterceptor();
oi.setMaxQueue(ordersize);
channel.addInterceptor(oi);
}
if ( async ) {
MessageDispatchInterceptor mi = new MessageDispatchInterceptor();
mi.setMaxQueueSize(asyncsize);
channel.addInterceptor(mi);
System.out.println("Added MessageDispatchInterceptor");
}
return channel;
}
}