package ch.usi.da.paxos.ring;
/*
* Copyright (c) 2013 Università della Svizzera italiana (USI)
*
* This file is part of URingPaxos.
*
* URingPaxos 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.
*
* URingPaxos 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 URingPaxos. If not, see <http://www.gnu.org/licenses/>.
*/
import org.apache.log4j.Logger;
import ch.usi.da.paxos.message.MessageType;
/**
* Name: NetworkStatsWriter<br>
* Description: <br>
*
* Creation date: Mar 07, 2013<br>
* $Id$
*
* @author Samuel Benz benz@geoid.ch
*/
public class NetworkStatsWriter implements Runnable {
private final static Logger logger = Logger.getLogger("ch.usi.da.paxos.Stats");
private final NetworkManager network;
private final int ringID;
private long start_time = -1;
private long last_time = System.nanoTime();
private long last_recv_count = 0;
private long last_recv_bytes = 0;
private long last_send_count = 0;
private long last_send_bytes = 0;
public NetworkStatsWriter(RingManager ring) {
ringID = ring.getRingID();
this.network = ring.getNetwork();
}
@Override
public void run() {
boolean run = logger.isInfoEnabled();
while(run){
if(start_time < 0 && network.send_count > 5){
start_time = System.nanoTime();
logger.debug("NetworkStatsWriter set start time.");
}
try {
long time = System.nanoTime();
long recv_count = network.recv_count - last_recv_count;
long recv_bytes = network.recv_bytes - last_recv_bytes;
long send_count = network.send_count - last_send_count;
long send_bytes = network.send_bytes - last_send_bytes;
float t = (float)(time-last_time)/(1000*1000*1000);
// float revc_bwk = (float)(recv_bytes/t)/1024; // kbyte/s
// float send_bwk = (float)(send_bytes/t)/1024;
float recv_bwm = (float)8*(recv_bytes/t)/1024/1024; // Mbit/s
float send_bwm = (float)8*(send_bytes/t)/1024/1024;
float t2 = (float)(time-start_time)/(1000*1000*1000);
float recv_bw = (float)8*(network.recv_bytes/t2)/1024/1024; // Mbit/s
float send_bw = (float)8*(network.send_bytes/t2)/1024/1024;
logger.info(String.format("TCP %d in/out %.1f/%.1f msg/s %.2f/%.2f Mbit/s (avg: %.2f/%.2f Mbit/s)",ringID,(float)recv_count/t,(float)send_count/t,recv_bwm,send_bwm,recv_bw,send_bw));
if(logger.isDebugEnabled()){
for(MessageType m : MessageType.values()){
if(network.messages_distribution[m.getId()] > 0){
logger.debug("NetworkManager message " + m + ": " + network.messages_distribution[m.getId()] + " (" + network.messages_size[m.getId()] + " bytes)");
}
}
}
last_recv_count += recv_count;
last_recv_bytes += recv_bytes;
last_send_count += send_count;
last_send_bytes += send_bytes;
last_time = time;
Thread.sleep(5000);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
break;
}
}
}
}