BEGIN {
    setSize = ARGV[1];
    ARGV[1] = "";
    print "# Start-time  End-time  avg-pcket-loss  avg-round-trip-time-msec"
    print "# Set size: " setSize;
}


/UTC/ {
    # Convert to epoch sec
    cmd = "java -cp ~/Desktop/Projects/Hotspot/tests/hotspot/java ConvertTime  -format \"EEE MMM d H:m:s z y\"" " \"" $0 "\"";
    cmd | getline epochSec;
    close(cmd);
    if (nSent == 0) {
	startEpochSec = epochSec;
    }
    timeString = $0;
}


/bytes from/ {
    nSuccess++;
    # Get round-trip time
    tripTimeMsec = substr($7, 6);
    ## print tripTimeMsec;
    avgTripTimeMsec += tripTimeMsec;
}


/packet loss/ {
    
    pcktLoss = 1. - $4/$1;
    avgPcktLoss += pcktLoss;
    ## printf "packet loss: %d%%\n", pcktLoss * 100; 
    if (++nSent == setSize) {
	nSent = 0;
	avgPcktLoss = avgPcktLoss / setSize;
	if (nSuccess > 0) {
	    avgTripTimeMsec = avgTripTimeMsec / nSuccess;
	}
	else {
	    avgTripTimeMsec = 999999.;
	}

	### printf "avg packet loss: %d%%\n", avgPcktLoss * 100 ;
	printf "%d %d %.1f %.3f\n", startEpochSec, epochSec, avgPcktLoss, avgTripTimeMsec;
	avgPcktLoss = 0.;
	avgTripTimeMsec = 0.;
	nSuccess = 0;
    }

}