206 lines
4.5 KiB
Perl
206 lines
4.5 KiB
Perl
# ==========================================================================
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#
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# ZoneMinder Base Control Module, $Date$, $Revision$
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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# ==========================================================================
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#
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# This module contains the base class definitions for the camera control
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# protocol implementations
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#
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package ZoneMinder::Control;
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use 5.006;
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use strict;
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use warnings;
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require ZoneMinder::Base;
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our $VERSION = $ZoneMinder::Base::VERSION;
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# ==========================================================================
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#
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# Base connection class
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#
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# ==========================================================================
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use ZoneMinder::Logger qw(:all);
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use ZoneMinder::Database qw(:all);
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our $AUTOLOAD;
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sub new
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{
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my $class = shift;
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my $id = shift;
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my $self = {};
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$self->{name} = "PelcoD";
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if ( !defined($id) )
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{
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Fatal( "No monitor defined when invoking protocol ".$self->{name} );
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}
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$self->{id} = $id;
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bless( $self, $class );
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return $self;
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}
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sub DESTROY
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{
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}
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sub AUTOLOAD
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{
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my $self = shift;
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my $class = ref($self) || croak( "$self not object" );
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my $name = $AUTOLOAD;
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$name =~ s/.*://;
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if ( exists($self->{$name}) )
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{
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return( $self->{$name} );
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}
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croak( "Can't access $name member of object of class $class" );
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}
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sub getKey()
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{
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my $self = shift;
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return( $self->{id} );
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}
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sub open
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{
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my $self = shift;
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Fatal( "No open method defined for protocol ".$self->{name} );
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}
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sub close
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{
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my $self = shift;
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Fatal( "No close method defined for protocol ".$self->{name} );
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}
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sub loadMonitor
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{
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my $self = shift;
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if ( !$self->{Monitor} )
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{
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if ( !($self->{Monitor} = zmDbGetMonitor( $self->{id} )) )
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{
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Fatal( "Monitor id ".$self->{id}." not found or not controllable" );
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}
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if ( defined($self->{Monitor}->{AutoStopTimeout}) )
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{
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# Convert to microseconds.
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$self->{Monitor}->{AutoStopTimeout} = int(1000000*$self->{Monitor}->{AutoStopTimeout});
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}
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}
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}
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sub getParam
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{
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my $self = shift;
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my $params = shift;
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my $name = shift;
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my $default = shift;
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if ( defined($params->{$name}) )
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{
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return( $params->{$name} );
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}
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elsif ( defined($default) )
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{
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return( $default );
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}
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Fatal( "Missing mandatory parameter '$name'" );
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}
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sub executeCommand
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{
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my $self = shift;
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my $params = shift;
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$self->loadMonitor();
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my $command = $params->{command};
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delete $params->{command};
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#if ( !defined($self->{$command}) )
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#{
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#Fatal( "Unsupported command '$command'" );
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#}
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&{$self->{$command}}( $self, $params );
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}
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sub printMsg()
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{
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my $self = shift;
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Fatal( "No printMsg method defined for protocol ".$self->{name} );
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}
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1;
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__END__
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# Below is stub documentation for your module. You'd better edit it!
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=head1 NAME
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ZoneMinder::Database - Perl extension for blah blah blah
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=head1 SYNOPSIS
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use ZoneMinder::Database;
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blah blah blah
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=head1 DESCRIPTION
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Stub documentation for ZoneMinder, created by h2xs. It looks like the
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author of the extension was negligent enough to leave the stub
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unedited.
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Blah blah blah.
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=head2 EXPORT
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None by default.
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=head1 SEE ALSO
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Mention other useful documentation such as the documentation of
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related modules or operating system documentation (such as man pages
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in UNIX), or any relevant external documentation such as RFCs or
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standards.
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If you have a mailing list set up for your module, mention it here.
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If you have a web site set up for your module, mention it here.
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=head1 AUTHOR
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Philip Coombes, E<lt>philip.coombes@zoneminder.comE<gt>
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=head1 COPYRIGHT AND LICENSE
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Copyright (C) 2001-2008 Philip Coombes
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This library is free software; you can redistribute it and/or modify
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it under the same terms as Perl itself, either Perl version 5.8.3 or,
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at your option, any later version of Perl 5 you may have available.
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=cut
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