#!/usr/bin/perl # # Author: Russ Wright, Lawrence Berkeley National Laboratory December 1997 # # This will look at the $trafficDir directory for MRTG generated HTML # files, parse them and generate a listing of the most active interfaces # in a file called "active.htlm" in the same directory # # modify this if you wish as long as the above credit is not removed # # The only weird thing I do is to skip tunnel interfaces (see code below) # # TWO VARIABLES YOU MUST CHANGE # ##$trafficDir="/usr/ns-home/htdocs/traffic"; # # I put it in a file and include it because I use it in other scripts # if you don't - comment this out and uncomment the above line require "trafficdir.include"; # CHANGE THIS to your organization name $orgName="LBNL"; $outFile = "$trafficDir/active.html"; # The following may be changed and I admit that it isn't perfect how I decide # to highlight stuff. # # if over this value, will bold entry $highlightThresh = 15; # if max is over this value, will bold entry $highlightMaxThresh = 40; # Refresh interval (minutes) for HTML doc $refreshInt=10; # $refreshSeconds=60*$refreshInt; # # Max % to look at (if the Max is lower then we do not include in the list) $maxThresh = 5; $theDate=`date +"%m/%d/%y %H:%M"`; open(LS, "ls $trafficDir/*.[0-9]*.html|") || die "Couldn't list directory"; while (<LS>) { chop; $theFile = $_; open(IN, "$theFile") || die "Couldn't open $theFile\n"; $i=0; while (<IN>) { if (/Traffic Analysis for .*[0-9]<BR>(.*)<\/H1> <TABLE>/) { if ($1 =~ /tunnel/i) { # skip tunnels last; } $desc{$theFile} = $1; } if (/\(([0-9.]*\%)\)/) { $theList{$theFile}[$i++] = $1; } } close(IN); } close(LS); # # # the array contains all the percentages: the following 6 for # daily, weekly, monthly, yearly # # 0 Max In # 1 Avg In # 2 Cur In # 3 Max Out # 4 Avg Out # 5 Cur Out # # open(OUT, ">$outFile") || die "Couldn't create $outFile"; &PrintHead; foreach $key (keys %theList) { # get sum of both max in and out $sumInOut = $theList{$key}[0] + $theList{$key}[4]; if ( ($sumInOut > $maxThresh) || ($curIn > $highlightThresh) || ($curOut > $highlightThresh) || ($avgIn > $highlightThresh) || ($avgOut > $highlightThresh) ) { $printList{$key} = $sumInOut; } } foreach $key (sort by_percent (keys %printList)) { $theRouter = $key; $theRouter =~ s/.*\///; $theRouter =~ s/\.html//; $theFile = $key; $theFile =~ s/.*traffic\///; $maxIn= $theList{$key}[0]; $avgIn= $theList{$key}[1]; $curIn= $theList{$key}[2]; $maxOut= $theList{$key}[3]; $avgOut= $theList{$key}[4]; $curOut= $theList{$key}[5]; if ($maxIn > $highlightMaxThresh) { $maxIn= "<FONT COLOR=\"#FF0000\">$maxIn</FONT>"; } if ($maxOut > $highlightMaxThresh) { $maxOut= "<FONT COLOR=\"#FF0000\">$maxOut</FONT>"; } if ($curOut > $highlightThresh) { $curOut= "<FONT COLOR=\"#FF0000\">$curOut</FONT>"; } if ($curIn > $highlightThresh) { $curIn= "<FONT COLOR=\"#FF0000\">$curIn</FONT>"; } if ($avgIn > $highlightThresh) { $avgIn= "<FONT COLOR=\"#FF0000\">$avgIn</FONT>"; } if ($avgOut > $highlightThresh) { $avgOut= "<FONT COLOR=\"#FF0000\">$avgOut</FONT>"; } printf(OUT "<TR><TD><CENTER>$maxIn</CENTER></TD><TD><CENTER><P>$maxOut< /CENTER></TD><TD><CENTER>$avgIn</CENTER></TD><TD><CENTER>$avgOut</CENTER></TD>< TD><CENTER>$curIn</CENTER></TD><TD><CENTER>$curOut</CENTER></TD><TD><A HREF=$th eFile>$theRouter - $desc{$key}</A></TD></TR>\n"); } &PrintTail; close(OUT); sub by_percent { $printList{$b} <=> $printList{$a}; } sub PrintTail { print OUT <<EOF; </TABLE> </BODY> </HTML> EOF } sub PrintHead { $expTime=&expistr; print OUT <<EOF; <HTML> <HEAD> <TITLE>$orgName Most Active Subnets</TITLE> </HEAD> <META HTTP-EQUIV="Expires" CONTENT="$expTime"> <META HTTP-EQUIV="Refresh" CONTENT=$refreshSeconds> <BODY bgcolor=#ffffff> <H1>LBNL Most Active Subnets as of $theDate</H1> <P> The following are sorted by the sum of the daily maximum input and daily ma ximum output interface octets. This table is updated every $refreshInt minutes and will automatically be updated if you are using Netscape.<P> <B>Note</B>: Tunnels are not included in this list<P> Values are in <FONT COLOR="#FF0000">RED</FONT> if the current or average is above $highlightThresh or if the maximum value is over $highlightMaxThresh <P> <TABLE WIDTH="750" BORDER="1" CELLSPACING="2" CELLPADDING="0" HEIGHT="43"> <TR> <TH >In Max %</TH> <TH >Out Max %</TH> <TH >In Avg %</TH> <TH >Out Avg %</TH> <TH >In Current %</TH> <TH >Out Current %</TH> <TH >Interface</TH></TR> EOF } sub expistr { my ($time) = time+$refreshInt*60+5; my ($wday) = ('Sun','Mon','Tue','Wed','Thu','Fri','Sat')[(gmtime($time))[6]]; my ($month) = ('Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep', 'Oct','Nov','Dec')[(gmtime($time))[4]]; my ($mday,$year,$hour,$min,$sec) = (gmtime($time))[3,5,2,1,0]; if ($mday<10) {$mday = "0$mday"}; if ($hour<10) {$hour = "0$hour"}; if ($min<10) {$min = "0$min";} if ($sec<10) {$sec = "0$sec";} return "$wday, $mday $month ".($year+1900)." $hour:$min:$sec GMT"; }