137 lines
4.8 KiB
Perl
137 lines
4.8 KiB
Perl
#!@PERL_EXECUTABLE@ -wT
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use strict;
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use bytes;
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# ==========================================================================
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#
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# These are the elements you can edit to suit your installation
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#
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# ==========================================================================
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use constant START_DELAY => 30; # To give everything else time to start
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# ==========================================================================
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#
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# Don't change anything below here
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#
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# ==========================================================================
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@EXTRA_PERL_LIB@
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use ZoneMinder;
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use DBI;
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$| = 1;
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$ENV{PATH} = '/bin:/usr/bin:/usr/local/bin';
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$ENV{SHELL} = '/bin/sh' if exists $ENV{SHELL};
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delete @ENV{qw(IFS CDPATH ENV BASH_ENV)};
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logInit();
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logSetSignal();
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Info('Stats Daemon starting in '.START_DELAY.' seconds');
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sleep(START_DELAY);
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my $dbh = zmDbConnect();
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while( 1 ) {
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while ( ! ( $dbh and $dbh->ping() ) ) {
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Info('Reconnecting to db');
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if ( !($dbh = zmDbConnect()) ) {
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#What we do here is not that important, so just skip this interval
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sleep($Config{ZM_STATS_UPDATE_INTERVAL});
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}
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}
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$dbh->do('DELETE FROM Events_Hour WHERE StartTime < DATE_SUB(NOW(), INTERVAL 1 hour)') or Error($dbh->errstr());
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$dbh->do('DELETE FROM Events_Day WHERE StartTime < DATE_SUB(NOW(), INTERVAL 1 day)') or Error($dbh->errstr());
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$dbh->do('DELETE FROM Events_Week WHERE StartTime < DATE_SUB(NOW(), INTERVAL 1 week)') or Error($dbh->errstr());
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$dbh->do('DELETE FROM Events_Month WHERE StartTime < DATE_SUB(NOW(), INTERVAL 1 month)') or Error($dbh->errstr());
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# Prune the Logs table if required
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if ( $Config{ZM_LOG_DATABASE_LIMIT} ) {
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if ( $Config{ZM_LOG_DATABASE_LIMIT} =~ /^\d+$/ ) {
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# Number of rows
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my $selectLogRowCountSql = 'SELECT count(*) AS `Rows` FROM `Logs`';
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my $selectLogRowCountSth = $dbh->prepare_cached( $selectLogRowCountSql )
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or Fatal("Can't prepare '$selectLogRowCountSql': ".$dbh->errstr());
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my $res = $selectLogRowCountSth->execute()
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or Fatal("Can't execute: ".$selectLogRowCountSth->errstr());
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my $row = $selectLogRowCountSth->fetchrow_hashref();
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my $logRows = $row->{Rows};
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if ( $logRows > $Config{ZM_LOG_DATABASE_LIMIT} ) {
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my $deleteLogByRowsSql = 'DELETE low_priority FROM `Logs` ORDER BY `TimeKey` ASC LIMIT ?';
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my $deleteLogByRowsSth = $dbh->prepare_cached( $deleteLogByRowsSql )
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or Fatal("Can't prepare '$deleteLogByRowsSql': ".$dbh->errstr());
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$res = $deleteLogByRowsSth->execute( $logRows - $Config{ZM_LOG_DATABASE_LIMIT} )
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or Fatal("Can't execute: ".$deleteLogByRowsSth->errstr());
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if ( $deleteLogByRowsSth->rows() ) {
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Debug('Deleted '.$deleteLogByRowsSth->rows().' log table entries by count');
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}
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}
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} else {
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# Time of record
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# 7 days is invalid. We need to remove the s
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if ( $Config{ZM_LOG_DATABASE_LIMIT} =~ /^(.*)s$/ ) {
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$Config{ZM_LOG_DATABASE_LIMIT} = $1;
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}
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my $deleted_rows;
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do {
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my $deleteLogByTimeSql =
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'DELETE FROM `Logs`
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WHERE `TimeKey` < unix_timestamp(now() - interval '.$Config{ZM_LOG_DATABASE_LIMIT}.') LIMIT 100';
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my $deleteLogByTimeSth = $dbh->prepare_cached( $deleteLogByTimeSql )
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or Fatal("Can't prepare '$deleteLogByTimeSql': ".$dbh->errstr());
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my $res = $deleteLogByTimeSth->execute()
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or Fatal("Can't execute: ".$deleteLogByTimeSth->errstr());
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$deleted_rows = $deleteLogByTimeSth->rows();
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Debug("Deleted $deleted_rows log table entries by time");
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} while ( $deleted_rows );
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}
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} # end if ZM_LOG_DATABASE_LIMIT
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sleep($Config{ZM_STATS_UPDATE_INTERVAL});
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} # end while (1)
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Info('Stats Daemon exiting');
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exit();
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1;
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__END__
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#
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# ==========================================================================
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#
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# ZoneMinder WatchDog Script, $Date$, $Revision$
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# Copyright (C) 2001-2008 Philip Coombes
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# ==========================================================================
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=head1 NAME
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zmstats.pl - ZoneMinder Stats Updating Script
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=head1 SYNOPSIS
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zmstats.pl
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=head1 DESCRIPTION
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This does background updating various stats in the db like event counts, diskspace, etc.
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=cut
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