#!/usr/bin/perl -w
# Load - current server load
print "Content-type: text/html\n\n";
require 'timelocal.pl';
$Now=time;
@Now=localtime(time);
$Now=&timelocal(@Now);
if ($ENV{PATH_INFO} eq "") {
$Log = "/usr/local/apache/access_log";
} else {
$Log=$ENV{PATH_INFO};
}
$Last=500;
$Steps=10;
open (h,"$Log") || die "Could not open access log ($!)\n";
print <<EOM;
<META HTTP-EQUIV="Refresh" CONTENT=15>
<TITLE> $ENV{SERVER_NAME} HTTPD Load </TITLE>
<H1> Current HTTPD Load of
<A HREF=/>$ENV{SERVER_NAME}</A><HR></H1>
EOM
# print "Logfile: $Log\n";
$from=0;
LINE: while (<h>) {
$line=$_;
($host, $rfc931, $authuser, $timestamp, $request, $status, $by
+tes) =
/^(\S+) (\S+) (\S+) \[(.+)\] \"(.+)\" (\S+) (\S+)\s/;
if (!($host && $rfc931 && $authuser && $timestamp
&& $request && $status)) {
# print(STDERR "$.:$line");
$bad++;
next LINE;
}
$TotalReq++;
$TotalBytes+=$bytes;
$_ = $timestamp;
($d,$m,$y,$hh,$mm,$ss) = m|(\d+)/(\w\w\w)/(\d+):(\d+):(\d+):(\
+d+).*|;
$m=index("JanFebMarAprMayJunJulAugSepOctNovDec",$m)/3;
$iTime= &timelocal($ss,$mm,$hh,$d,$m,$y-1900);
if ($from == 0) {
$from=$iTime;
$diff=$Now-$iTime;
$Resolution=int($diff/$Steps);
}
$diff=$Now-$iTime;
$iDiff=int((1.0*$diff/$Resolution)+.5);
$req[$iDiff]++;
$bytes[$iDiff]+=$bytes;
}
close h;
# print $bad . "-". $TotalReq;
print "<TABLE BORDER=0>\n";
print "<TR><TH>seconds</TH><TH>reqests</TH><TH>Kbytes</TH><TH>requ
+ests chart</TH></TR>\n";
for ($i=0; $i<=$#req; $i++) {
$r = $i*$Resolution;
$q = $req[$i];
$w = $q*200.*$Steps/$TotalReq;
$b = int ($bytes[$i]/1024);
print "<TR ALIGN=RIGHT><TD>$r</TD><TD>$q</TD><TD>$b</TD><TD AL
+IGN=LEFT><HR WIDTH=$w SIZE=14 ALIGN=LEFT></TD></TR>\n";
A
}
print "</TABLE><PRE>\n";
$fullDiff=($Now-$from);
$fullDiffMin=$fullDiff/60;
$fullRPH=$TotalReq/$fullDiff*3600.;
$fullCPS=$TotalBytes/$fullDiff*11./1024.;
$lastRPH=$req[0]/$Resolution*3600;
$lastCPS=$bytes[0]/$Resolution*11./1024.;
$lastDiffMin=$Resolution/60.;
print "<B>";
printf "Load in the last %4.1f minutes: %5.0f requests/day, %5.2f
+kbps.\n",
$fullDiffMin,$fullRPH*24,$fullCPS;
printf "Load in the last %4.1f minutes: %5.0f requests/day, %5.2f
+kbps.\n",
$lastDiffMin, $lastRPH*24, $lastCPS;
print `uptime`;
#print "\nTail of server log:\n</B>";
#print `tail $Log`;
print <<EOM;
</B></PRE>
<HR>
EOM
|
