148 lines
4.7 KiB
Perl
Executable File
148 lines
4.7 KiB
Perl
Executable File
#!/usr/bin/perl -wT
|
|
#
|
|
# ==========================================================================
|
|
#
|
|
# ZoneMinder WatchDog Script, $Date$, $Revision$
|
|
# Copyright (C) 2003 Philip Coombes
|
|
#
|
|
# This program is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU General Public License
|
|
# as published by the Free Software Foundation; either version 2
|
|
# of the License, or (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
#
|
|
# ==========================================================================
|
|
#
|
|
# This does some basic setup for ZoneMinder to run and then periodically
|
|
# checks the fps output of the active daemons to check they haven't
|
|
# locked up. If they have then they are killed and restarted
|
|
#
|
|
|
|
# ==========================================================================
|
|
#
|
|
# These are the elements you need to edit to suit your installation
|
|
#
|
|
# ==========================================================================
|
|
|
|
use constant ZM_PATH_BIN => "<from zmconfig>";
|
|
use constant ZM_DB_SERVER => "<from zmconfig>";
|
|
use constant ZM_DB_NAME => "<from zmconfig>";
|
|
use constant ZM_DB_USERA => "<from zmconfig>";
|
|
use constant ZM_DB_PASSA => "<from zmconfig>";
|
|
|
|
# Load the config from the database into the symbol table
|
|
BEGIN
|
|
{
|
|
use DBI;
|
|
no strict 'refs';
|
|
my $dbh = DBI->connect( "DBI:mysql:database=".ZM_DB_NAME.";host=".ZM_DB_SERVER, ZM_DB_USERA, ZM_DB_PASSA );
|
|
|
|
my $sql = "select * from Config";
|
|
my $sth = $dbh->prepare_cached( $sql ) or die( "Can't prepare '$sql': ".$dbh->errstr() );
|
|
my $res = $sth->execute() or die( "Can't execute: ".$sth->errstr() );
|
|
while( my $config = $sth->fetchrow_hashref() )
|
|
{
|
|
*{$config->{Name}} = sub { $config->{Value} };
|
|
}
|
|
$sth->finish();
|
|
$dbh->disconnect();
|
|
}
|
|
|
|
use constant WATCH_LOG_FILE => ZM_PATH_LOGS.'/zmwatch.log';
|
|
use constant START_DELAY => 30; # To give everything else time to start
|
|
use constant VERBOSE => 0; # Whether to output more verbose debug
|
|
|
|
# ==========================================================================
|
|
#
|
|
# Don't change anything below here
|
|
#
|
|
# ==========================================================================
|
|
|
|
use strict;
|
|
use POSIX;
|
|
use DBI;
|
|
use Data::Dumper;
|
|
|
|
$| = 1;
|
|
|
|
$ENV{PATH} = '/bin:/usr/bin';
|
|
$ENV{SHELL} = '/bin/sh' if exists $ENV{SHELL};
|
|
delete @ENV{qw(IFS CDPATH ENV BASH_ENV)};
|
|
|
|
sub Usage
|
|
{
|
|
print( "
|
|
Usage: zmwatch.pl
|
|
");
|
|
exit( -1 );
|
|
}
|
|
|
|
open( LOG, '>>'.WATCH_LOG_FILE ) or die( "Can't open log file: $!" );
|
|
open( STDOUT, ">&LOG" ) || die( "Can't dup stdout: $!" );
|
|
select( STDOUT ); $| = 1;
|
|
open( STDERR, ">&LOG" ) || die( "Can't dup stderr: $!" );
|
|
select( STDERR ); $| = 1;
|
|
select( LOG ); $| = 1;
|
|
print( "Watchdog starting at ".strftime( '%y/%m/%d %H:%M:%S', localtime() )."\n" );
|
|
print( "Watchdog pausing for ".START_DELAY." seconds\n" );
|
|
sleep( START_DELAY );
|
|
|
|
my $dbh = DBI->connect( "DBI:mysql:database=".ZM_DB_NAME.";host=".ZM_DB_SERVER, ZM_DB_USERA, ZM_DB_PASSA );
|
|
|
|
my $sql = "select * from Monitors";
|
|
my $sth = $dbh->prepare_cached( $sql ) or die( "Can't prepare '$sql': ".$dbh->errstr() );
|
|
|
|
while( 1 )
|
|
{
|
|
my $now = time();
|
|
my $res = $sth->execute() or die( "Can't execute: ".$sth->errstr() );
|
|
while( my $monitor = $sth->fetchrow_hashref() )
|
|
{
|
|
if ( $monitor->{Function} ne 'None' )
|
|
{
|
|
# Check we have got an image recently
|
|
my $command = ZM_PATH_BIN."/zmu -m ".$monitor->{Id}." -t";
|
|
print( "Getting last image time for monitor $monitor->{Id} ('$command')\n" ) if ( VERBOSE );
|
|
my $image_time = qx( $command );
|
|
chomp($image_time);
|
|
|
|
if ( !$image_time )
|
|
{
|
|
# We can't get the last capture time so can't be sure it's died.
|
|
next;
|
|
}
|
|
|
|
my $image_delay = $now-$image_time;
|
|
print( "Monitor $monitor->{Id} last captured $image_delay seconds ago\n" ) if ( VERBOSE );
|
|
if ( $image_delay <= ZM_WATCH_MAX_DELAY )
|
|
{
|
|
# Yes, so continue
|
|
next;
|
|
}
|
|
|
|
# If we are here then something bad has happened
|
|
if ( $monitor->{Type} eq 'Local' )
|
|
{
|
|
$command = ZM_PATH_BIN."/zmdc.pl restart zmc -d $monitor->{Device}";
|
|
}
|
|
else
|
|
{
|
|
$command = ZM_PATH_BIN."/zmdc.pl restart zmc -H $monitor->{Host} -P $monitor->{Port} -p '$monitor->{Path}'";
|
|
}
|
|
print( "Restarting capture daemon ('$command')\n" );
|
|
print( qx( $command ) );
|
|
}
|
|
}
|
|
sleep( ZM_WATCH_CHECK_INTERVAL );
|
|
}
|
|
print( "Watchdog exiting at ".strftime( '%y/%m/%d %H:%M:%S', localtime() )."\n" );
|
|
exit();
|