/*
* 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.group.interceptors;
import java.text.DecimalFormat;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicLong;
import org.apache.catalina.tribes.ChannelException;
import org.apache.catalina.tribes.ChannelMessage;
import org.apache.catalina.tribes.Member;
import org.apache.catalina.tribes.group.ChannelInterceptorBase;
import org.apache.catalina.tribes.group.InterceptorPayload;
import org.apache.catalina.tribes.io.ChannelData;
import org.apache.catalina.tribes.io.XByteBuffer;
import org.apache.catalina.tribes.util.StringManager;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
/**
*
*
* @version 1.0
*/
public class ThroughputInterceptor extends ChannelInterceptorBase
implements ThroughputInterceptorMBean {
private static final Log log = LogFactory.getLog(ThroughputInterceptor.class);
protected static final StringManager sm = StringManager.getManager(ThroughputInterceptor.class);
double mbTx = 0;
double mbAppTx = 0;
double mbRx = 0;
double timeTx = 0;
double lastCnt = 0;
final AtomicLong msgTxCnt = new AtomicLong(1);
final AtomicLong msgRxCnt = new AtomicLong(0);
final AtomicLong msgTxErr = new AtomicLong(0);
int interval = 10000;
final AtomicInteger access = new AtomicInteger(0);
long txStart = 0;
long rxStart = 0;
final DecimalFormat df = new DecimalFormat("#0.00");
@Override
public void sendMessage(Member[] destination, ChannelMessage msg, InterceptorPayload payload) throws ChannelException {
if ( access.addAndGet(1) == 1 ) txStart = System.currentTimeMillis();
long bytes = XByteBuffer.getDataPackageLength(((ChannelData)msg).getDataPackageLength());
try {
super.sendMessage(destination, msg, payload);
}catch ( ChannelException x ) {
msgTxErr.addAndGet(1);
if ( access.get() == 1 ) access.addAndGet(-1);
throw x;
}
mbTx += (bytes*destination.length)/(1024d*1024d);
mbAppTx += bytes/(1024d*1024d);
if ( access.addAndGet(-1) == 0 ) {
long stop = System.currentTimeMillis();
timeTx += (stop - txStart) / 1000d;
if ((msgTxCnt.get() / interval) >= lastCnt) {
lastCnt++;
report(timeTx);
}
}
msgTxCnt.addAndGet(1);
}
@Override
public void messageReceived(ChannelMessage msg) {
if ( rxStart == 0 ) rxStart = System.currentTimeMillis();
long bytes = XByteBuffer.getDataPackageLength(((ChannelData)msg).getDataPackageLength());
mbRx += bytes/(1024d*1024d);
msgRxCnt.addAndGet(1);
if ( msgRxCnt.get() % interval == 0 ) report(timeTx);
super.messageReceived(msg);
}
@Override
public void report(double timeTx) {
if ( log.isInfoEnabled() )
log.info(sm.getString("throughputInterceptor.report",
msgTxCnt, df.format(mbTx), df.format(mbAppTx), df.format(timeTx), df.format(mbTx/timeTx),
df.format(mbAppTx/timeTx), msgTxErr, msgRxCnt, df.format(mbRx/((System.currentTimeMillis()-rxStart)/1000)),
df.format(mbRx)));
}
@Override
public void setInterval(int interval) {
this.interval = interval;
}
@Override
public int getInterval() {
return interval;
}
@Override
public double getLastCnt() {
return lastCnt;
}
@Override
public double getMbAppTx() {
return mbAppTx;
}
@Override
public double getMbRx() {
return mbRx;
}
@Override
public double getMbTx() {
return mbTx;
}
@Override
public AtomicLong getMsgRxCnt() {
return msgRxCnt;
}
@Override
public AtomicLong getMsgTxCnt() {
return msgTxCnt;
}
@Override
public AtomicLong getMsgTxErr() {
return msgTxErr;
}
@Override
public long getRxStart() {
return rxStart;
}
@Override
public double getTimeTx() {
return timeTx;
}
@Override
public long getTxStart() {
return txStart;
}
}