/usr/share/piwi/HeartBeat.pl is in piwi 0.8+20041206-3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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use strict;
use warnings;
use DBI;
use Date::Calc;
use CGI;
use Classes::User;
package main;
require 'Functions/config.pl';
require 'Functions/db.pl';
require 'Functions/parser.pl';
require 'Functions/web.pl';
require 'Functions/encode.pl';
require 'Functions/FakeFunctions.pl';
require 'Functions/DateTime.pl';
require 'Functions/_HeartBeat.pl';
our $CurUser = User->new()->auth();
our %conf = (); # configuration directives
our %miss = (); #
our $cgi = ''; #
LoadConfig();
$conf{'refresh'} = int( $conf{'refresh'} );
if ( $conf{'refresh'} < 15 ) {$conf{'refresh'} = 15;};
print "Pragma: no-cache\n";
print "Expires: -1\n";
print "Cache-Control: no-cache\n";
print "refresh: $conf{'refresh'};\n";
print "Content-Type: text/html\n\n";
# Open the DB connection :
our $dbh = DB_Open();
$cgi = CGI->new();
our $PageTitle = ' - Heart Beat';
ParseComponent( 'CommonHeader' );
ParseComponent( 'Links' );
my $default_heartbeat_nb = $conf{'heartbeat_nb'} || 48;
my $default_max_error_count = $conf{'heartbeat_max_error_count'} || 10;
my $default_delta = $conf{'heartbeat_delta'} || 3600;
my $default_error_margin = $conf{'heartbeat_error_margin'} || 6;
print "<table class=\"bordered\" border=\"0\" align=\"center\" width=\"95%\">\n";
print "<tr>";
print "<td width=\"3%\"> </td>";
print "<td align=\"center\" width=\"5%\"><b>AnalyzerId</b></td>";
print "<td align=\"center\" width=\"5%\"><b>Model</b></td>";
print "<td align=\"center\"><b>Name</b></td>";
print "<td align=\"center\"><b>Location</b></td>";
print "<td align=\"center\" width=\"10%\"><b>Address</b></td>";
print "<td align=\"center\" width=\"10%\"><b>DeltaT</b></td>";
print "<td align=\"center\" width=\"12%\"><b>Latest Heart Beat</b></td>";
print "</tr>\n";
my $sql = "SELECT analyzerid,model FROM Prelude_Analyzer WHERE parent_type='H' GROUP BY analyzerid;";
my $sth = $dbh->prepare( $sql );
$sth->execute();
while( my ( $AnalyzerId, $Model ) = $sth->fetchrow_array() )
{
$Model =~ s/Log Monitoring Lackey/LML/;
$Model =~ s/\s/ /g;
print "<tr><td colspan=\"8\"> </td></tr>\n";
my $sql;
my $sth;
$sql = "SELECT * FROM Prelude_Analyzer WHERE parent_type='H' AND analyzerid=? ORDER BY parent_ident DESC LIMIT 1;";
$sth = $dbh->prepare( $sql );
$sth->execute( $AnalyzerId );
my $HashRef = $sth->fetchrow_hashref();
my $HeartBeatId = $HashRef->{'parent_ident'};
$sth->finish();
$sql = "SELECT time FROM Prelude_CreateTime WHERE parent_type='H' AND parent_ident=?;";
$sth = $dbh->prepare( $sql );
$sth->execute( $HeartBeatId );
my $Time = $sth->fetchrow_array();
$sth->finish();
$sql = "SELECT * FROM Prelude_Node WHERE parent_type='H' AND alert_ident=?;";
$sth = $dbh->prepare( $sql );
$sth->execute( $HeartBeatId );
$HashRef = $sth->fetchrow_hashref();
$sth->finish();
my $Location = $HashRef->{'location'};
my $Name = $HashRef->{'name'};
$Location = ( $Location?$Location:'n/a' );
$Name = ( $Name?$Name:'n/a' );
$sql = "SELECT address FROM Prelude_Address WHERE parent_type='H' AND alert_ident=?;";
$sth = $dbh->prepare( $sql );
$sth->execute( $HeartBeatId );
my $Address;
while ( my $address = $sth->fetchrow_array() )
{
if ( $Address )
{
$Address .= '<br>'.$address;
}
else
{
$Address = $address;
}
}
$sth->finish();
if ( ! $Address ) {$Address = 'n/a';};
#
my $OldTime = '';
my $OldTime2 = 0;
my $errcount = 0;
$sql = "SELECT parent_ident FROM Prelude_Analyzer WHERE analyzerid=? AND parent_type='H' ORDER BY parent_ident DESC LIMIT $default_heartbeat_nb;";
$sth = $dbh->prepare( $sql );
$sth->execute( $AnalyzerId );
debug( $sql );
my @Styles = ( 'odd', 'even' );
while( ( my $HeartBeatId = $sth->fetchrow_array() ) and ( $errcount < $default_max_error_count ) )
{
my $sql = "SELECT time,";
if ( $conf{'dbtype'} =~ m/^mysql$/i ) {$sql .= 'UNIX_TIMESTAMP(time)+';};
$sql .= "0 FROM Prelude_CreateTime WHERE parent_ident=? AND parent_type='H';";
my $sth = $dbh->prepare( $sql );
$sth->execute( $HeartBeatId );
my ( $Time, $Time2 ) = $sth->fetchrow_array();
$sth->finish();
if ( $conf{'dbtype'} =~ m/^pg$/i )
{
# Possible bug in prelude-manager (space missing between Date & time in timestamp)
$Time =~ s/(\d{4}-\d{2}-\d{2})\s?(\d{2}:\d{2}:\d{2})/$1 $2/;
# Timestamp (AAAA-MM-DD HH:MM:SS) to EPOCH :
my @Values = split( /\s|[^\d]/, $Time );
$Time2 = $Values[5];
$Time2 += $Values[4]*60;
$Time2 += $Values[3]*60*60;
$Time2 += $Values[2]*60*60*24;
$Time2 += $Values[1]*60*60*24*(365.25/12);
$Time2 += $Values[0]*60*60*24*365.25;
}
if ( $OldTime2 )
{
my $DeltaS = $OldTime2 - $Time2;
my $DeltaHMS = convert_s2hms( $DeltaS );
if ( $DeltaS < ( $default_delta - $default_error_margin ) )
{
print "<tr><td colspan=\"8\" class=\"$Styles[$errcount % 2]\">Sensor was restarted prematurely on ".GMT_to_LocalTime($OldTime)." (after $DeltaHMS)</td></tr>\n";
$errcount ++;
}
else
{
if ( $DeltaS > ( $default_delta + $default_error_margin ) )
{
print "<tr><td colspan=\"8\" class=\"$Styles[$errcount % 2]\">Sensor went down after ".GMT_to_LocalTime($Time)." and went back online on ".GMT_to_LocalTime($OldTime)."</td></tr>\n";
$errcount ++;
}
else
{
if ( $conf{'debug'} )
{
print "<tr><td colspan=\"8\" class=\"$Styles[$errcount % 2]\">Debug : Sensor said hello on time around ".GMT_to_LocalTime($OldTime)."</td></tr>\n";
}
}
}
}
else
{
my $Offline = 0;
my $DeltaS = ( time() - $conf{'GMTdiff'} * 3600 ) - $Time2;
if ( $DeltaS > ($default_delta+$default_error_margin) ) {$Offline = 1;};
print "<tr>";
print "<td><img src=\"images/";
if ( $Offline )
{
print 'high';
}
else
{
print 'low';
}
print ".gif\"></td>";
print "<td>$AnalyzerId</td>";
print "<td>$Model</td>";
print "<td align=\"center\">$Name</td>";
print "<td align=\"center\">$Location</td>";
print "<td align=\"center\">$Address</td>";
print "<td align=\"center\">$default_delta s (+/- ".($default_error_margin/2)." s) </td>";
print "<td>".GMT_to_LocalTime($Time)."</td>";
print "</tr>\n";
if ( $Offline )
{
print "<tr><td colspan=\"8\" class=\"$Styles[$errcount % 2]\">Sensor went down after ".GMT_to_LocalTime($Time)." and is still offline</td></tr>\n";
$errcount ++;
}
}
$OldTime = $Time;
$OldTime2 = $Time2;
}
$sth->finish();
if ( ! $errcount )
{
print "<tr><td colspan=\"8\" class=\"$Styles[0]\">No anomaly in the last $default_heartbeat_nb hearbeats (1 heartbeat every $default_delta s average)</td></tr>\n";
}
}
$sth->finish();
print "</table>\n";
ParseComponent( 'CommonFooter' );
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