mirror of
https://github.com/centreon/centreon-plugins.git
synced 2025-10-31 19:33:50 +01:00
143 lines
4.2 KiB
Perl
143 lines
4.2 KiB
Perl
#
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# Copyright 2020 Centreon (http://www.centreon.com/)
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#
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# Centreon is a full-fledged industry-strength solution that meets
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# the needs in IT infrastructure and application monitoring for
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# service performance.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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package apps::protocols::udp::mode::connection;
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use base qw(centreon::plugins::mode);
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use strict;
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use warnings;
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use IO::Socket::INET;
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use IO::Select;
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options);
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bless $self, $class;
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$options{options}->add_options(arguments => {
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'hostname:s' => { name => 'hostname' },
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'port:s' => { name => 'port' },
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'timeout:s' => { name => 'timeout', default => '3' }
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});
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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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$self->SUPER::init(%options);
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if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{option_results}->{warning} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'critical', value => $self->{option_results}->{critical})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{option_results}->{critical} . "'.");
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$self->{output}->option_exit();
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}
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if (!defined($self->{option_results}->{hostname})) {
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$self->{output}->add_option_msg(short_msg => "Need to specify '--hostname' option");
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$self->{output}->option_exit();
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}
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if (!defined($self->{option_results}->{port}) || $self->{option_results}->{port} eq '') {
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$self->{output}->add_option_msg(short_msg => "Need to specify '--port' option");
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$self->{output}->option_exit();
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}
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$self->{option_results}->{port} = $self->{option_results}->{port} =~ /(\d+)/ ? $1 : -1;
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if ($self->{option_results}->{port} < 0 || $self->{option_results}->{port} > 65535) {
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$self->{output}->add_option_msg(short_msg => 'Illegal port number (allowed range: 1-65535)');
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$self->{output}->option_exit();
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}
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}
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sub run {
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my ($self, %options) = @_;
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my $icmp_sock = new IO::Socket::INET(Proto => "icmp");
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if (!defined($icmp_sock)) {
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$self->{output}->add_option_msg(short_msg => "Cannot create socket: $!");
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$self->{output}->option_exit();
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}
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my $read_set = new IO::Select();
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$read_set->add($icmp_sock);
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my $sock = IO::Socket::INET->new(
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PeerAddr => $self->{option_results}->{hostname},
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PeerPort => $self->{option_results}->{port},
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Proto => 'udp',
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);
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$sock->send("Hello");
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close($sock);
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my ($new_readable) = IO::Select->select($read_set, undef, undef, $self->{option_results}->{timeout});
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my $icmp_arrived = 0;
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foreach $sock (@$new_readable) {
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if ($sock == $icmp_sock) {
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$icmp_arrived = 1;
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$icmp_sock->recv(my $buffer,50,0);
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}
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}
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close($icmp_sock);
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if ($icmp_arrived == 1) {
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$self->{output}->output_add(
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severity => 'CRITICAL',
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short_msg => sprintf("Connection failed on port %s", $self->{option_results}->{port})
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);
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} else {
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$self->{output}->output_add(
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severity => 'OK',
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short_msg => sprintf("Connection success on port %s", $self->{option_results}->{port})
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);
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}
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$self->{output}->display();
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$self->{output}->exit();
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}
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1;
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__END__
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=head1 MODE
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Check UDP connection
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=over 8
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=item B<--hostname>
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IP Addr/FQDN of the host
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=item B<--port>
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Port used
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=item B<--timeout>
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Connection timeout in seconds (Default: 3)
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=back
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=cut
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