186 lines
6.5 KiB
Perl
186 lines
6.5 KiB
Perl
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################################################################################
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# Copyright 2005-2013 MERETHIS
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# Centreon is developped by : Julien Mathis and Romain Le Merlus under
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# GPL Licence 2.0.
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#
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation ; either version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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# PARTICULAR PURPOSE. See the 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 along with
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# this program; if not, see <http://www.gnu.org/licenses>.
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#
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# Linking this program statically or dynamically with other modules is making a
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# combined work based on this program. Thus, the terms and conditions of the GNU
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# General Public License cover the whole combination.
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#
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# As a special exception, the copyright holders of this program give MERETHIS
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# permission to link this program with independent modules to produce an executable,
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# regardless of the license terms of these independent modules, and to copy and
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# distribute the resulting executable under terms of MERETHIS choice, provided that
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# MERETHIS also meet, for each linked independent module, the terms and conditions
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# of the license of that module. An independent module is a module which is not
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# derived from this program. If you modify this program, you may extend this
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# exception to your version of the program, but you are not obliged to do so. If you
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# do not wish to do so, delete this exception statement from your version.
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#
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# For more information : contact@centreon.com
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# Authors : Quentin Garnier <qgarnier@merethis.com>
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#
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####################################################################################
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package centreon::plugins::statefile;
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use Data::Dumper;
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use vars qw($datas);
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sub new {
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my ($class, %options) = @_;
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my $self = {};
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bless $self, $class;
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if (defined($options{options})) {
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$options{options}->add_options(arguments =>
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{
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"memcached:s" => { name => 'memcached' },
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"statefile-dir:s" => { name => 'statefile_dir', default => '/var/lib/centreon/centplugins' },
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});
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$options{options}->add_help(package => __PACKAGE__, sections => 'RETENTION OPTIONS', once => 1);
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}
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$self->{output} = $options{output};
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$self->{datas} = {};
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$self->{memcached} = undef;
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$self->{statefile_dir} = undef;
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return $self;
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}
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sub check_options {
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my ($self, %options) = @_;
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if (defined($options{option_results}) && defined($options{option_results}->{memcached})) {
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require Memcached::libmemcached;
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$self->{memcached} = Memcached::libmemcached->new();
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Memcached::libmemcached::memcached_server_add($self->{memcached}, $options{option_results}->{memcached});
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}
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$self->{statefile_dir} = $options{option_results}->{statefile_dir};
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}
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sub read {
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my ($self, %options) = @_;
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$self->{statefile_dir} = defined($options{statefile_dir}) ? $options{statefile_dir} : $self->{statefile_dir};
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$self->{statefile} = defined($options{statefile}) ? $options{statefile} : $self->{statefile};
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if (defined($self->{memcached})) {
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# if "SUCCESS" or "NOT FOUND" is ok. Other with use the file
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my $val = Memcached::libmemcached::memcached_get($self->{memcached}, $self->{statefile_dir} . "/" . $self->{statefile});
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if (defined($self->{memcached}->errstr) && $self->{memcached}->errstr =~ /^SUCCESS|NOT FOUND$/i) {
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if (defined($val)) {
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eval( $val );
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$self->{datas} = $datas;
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$datas = {};
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return 1;
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}
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return 0;
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}
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$self->{memcached_ok} = 0;
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}
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if (! -e $self->{statefile_dir} . "/" . $self->{statefile}) {
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if (! -w $self->{statefile_dir}) {
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$self->{output}->add_option_msg(short_msg => "Cannot write statefile '" . $self->{statefile_dir} . "/" . $self->{statefile} . "'. Need write permissions on directory.");
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$self->{output}->option_exit();
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}
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return 0;
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} elsif (! -w $self->{statefile_dir} . "/" . $self->{statefile}) {
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$self->{output}->add_option_msg(short_msg => "Cannot write statefile '" . $self->{statefile_dir} . "/" . $self->{statefile} . "'. Need write permissions on file.");
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$self->{output}->option_exit();
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}
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unless (my $return = do $self->{statefile_dir} . "/" . $self->{statefile}) {
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if ($@) {
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$self->{output}->add_option_msg(short_msg => "Couldn't parse '" . $self->{statefile_dir} . "/" . $self->{statefile} . "': $@");
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$self->{output}->option_exit();
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}
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unless (defined($return)) {
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$self->{output}->add_option_msg(short_msg => "Couldn't do '" . $self->{statefile_dir} . "/" . $self->{statefile} . "': $!");
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$self->{output}->option_exit();
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}
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unless ($return) {
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$self->{output}->add_option_msg(short_msg => "Couldn't run '" . $self->{statefile_dir} . "/" . $self->{statefile} . "': $!");
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$self->{output}->option_exit();
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}
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}
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$self->{datas} = $datas;
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$datas = {};
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return 1;
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}
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sub get_string_content {
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my ($self, %options) = @_;
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return Data::Dumper::Dumper($self->{datas});
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}
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sub get {
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my ($self, %options) = @_;
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if (defined($self->{datas}->{$options{name}})) {
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return $self->{datas}->{$options{name}};
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}
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return undef;
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}
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sub write {
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my ($self, %options) = @_;
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if (defined($self->{memcached})) {
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Memcached::libmemcached::memcached_set($self->{memcached}, $self->{statefile_dir} . "/" . $self->{statefile},
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Data::Dumper->Dump([$options{data}], ["datas"]));
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if (defined($self->{memcached}->errstr) && $self->{memcached}->errstr =~ /^SUCCESS$/i) {
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return ;
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}
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}
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open FILE, ">", $self->{statefile_dir} . "/" . $self->{statefile};
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print FILE Data::Dumper->Dump([$options{data}], ["datas"]);
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close FILE;
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}
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1;
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__END__
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=head1 NAME
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Statefile class
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=head1 SYNOPSIS
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-
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=head1 RETENTION OPTIONS
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=over 8
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=item B<--memcached>
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Memcached server to use (only one server).
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=item B<--statefile-dir>
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Directory for statefile (Default: '/var/lib/centreon/centplugins').
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=back
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=head1 DESCRIPTION
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B<statefile>.
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=cut
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