mirror of
https://github.com/ZoneMinder/zoneminder.git
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158 lines
5.0 KiB
Plaintext
158 lines
5.0 KiB
Plaintext
# ==========================================================================
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#
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# ZoneMinder Config 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 common definitions and functions used by the rest
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# of the ZoneMinder scripts
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#
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package ZoneMinder::Config;
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use 5.006;
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use strict;
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use warnings;
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require Exporter;
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require ZoneMinder::Base;
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our @ISA = qw(Exporter ZoneMinder::Base);
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use vars qw( %Config );
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# Items to export into callers namespace by default. Note: do not export
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# names by default without a very good reason. Use EXPORT_OK instead.
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# Do not simply export all your public functions/methods/constants.
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# This allows declaration use ZoneMinder ':all';
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# If you do not need this, moving things directly into @EXPORT or @EXPORT_OK
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# will save memory.
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our @EXPORT_CONFIG = qw( %Config ); # Get populated by BEGIN
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our %EXPORT_TAGS = (
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'constants' => [ qw(
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ZM_PID
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) ]
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);
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push( @{$EXPORT_TAGS{config}}, @EXPORT_CONFIG );
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push( @{$EXPORT_TAGS{all}}, @{$EXPORT_TAGS{$_}} ) foreach keys %EXPORT_TAGS;
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our @EXPORT_OK = ( @{ $EXPORT_TAGS{'all'} } );
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our @EXPORT = qw();
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our $VERSION = $ZoneMinder::Base::VERSION;
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use constant ZM_PID => "@ZM_PID@"; # Path to the ZoneMinder run pid file
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use constant ZM_CONFIG => "@ZM_CONFIG@"; # Path to the ZoneMinder config file
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use Carp;
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# Load the config from the database into the symbol table
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BEGIN
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{
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my $config_file = ZM_CONFIG;
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( my $local_config_file = $config_file ) =~ s|^.*/|./|;
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if ( -s $local_config_file and -r $local_config_file )
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{
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print( STDERR "Warning, overriding installed $local_config_file file with local copy\n" );
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$config_file = $local_config_file;
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}
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open( my $CONFIG, "<", $config_file )
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or croak( "Can't open config file '$config_file': $!" );
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foreach my $str ( <$CONFIG> )
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{
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next if ( $str =~ /^\s*$/ );
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next if ( $str =~ /^\s*#/ );
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my ( $name, $value ) = $str =~ /^\s*([^=\s]+)\s*=\s*(.*?)\s*$/;
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if ( ! $name ) {
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print( STDERR "Warning, bad line in $config_file: $str\n" );
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next;
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} # end if
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$name =~ tr/a-z/A-Z/;
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$Config{$name} = $value;
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}
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close( $CONFIG );
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use DBI;
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my $dbh = DBI->connect( "DBI:mysql:database=".$Config{ZM_DB_NAME}
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.";host=".$Config{ZM_DB_HOST}
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, $Config{ZM_DB_USER}
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, $Config{ZM_DB_PASS}
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) or croak( "Can't connect to db" );
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my $sql = 'select * from Config';
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my $sth = $dbh->prepare_cached( $sql ) or croak( "Can't prepare '$sql': ".$dbh->errstr() );
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my $res = $sth->execute() or croak( "Can't execute: ".$sth->errstr() );
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while( my $config = $sth->fetchrow_hashref() ) {
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$Config{$config->{Name}} = $config->{Value};
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}
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$sth->finish();
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#$dbh->disconnect();
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}
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1;
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__END__
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=head1 NAME
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ZoneMinder::Config - ZoneMinder configuration module.
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=head1 SYNOPSIS
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use ZoneMinder::Config qw(:all);
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=head1 DESCRIPTION
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The ZoneMinder::Config module is used to import the ZoneMinder
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configuration from the database. It will do this at compile time in a BEGIN
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block and require access to the zm.conf file either in the current
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directory or in its defined location in order to determine database access
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details, configuration from this file will also be included. If the :all or
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:config tags are used then this configuration is exported into the
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namespace of the calling program or module.
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Once the configuration has been imported then configuration variables are
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defined as constants and can be accessed directory by name, e.g.
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$lang = $Config{ZM_LANG_DEFAULT};
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=head2 EXPORT
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None by default.
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The :constants tag will export the ZM_PID constant which details the location of the zm.pid file
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The :config tag will export all configuration from the database as well as any from the zm.conf file
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The :all tag will export all above symbols.
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=head1 SEE ALSO
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http://www.zoneminder.com
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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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