centreon-plugins/apps/voip/asterisk/ami/custom/api.pm

274 lines
6.9 KiB
Perl

#
# Copyright 2020 Centreon (http://www.centreon.com/)
#
# Centreon is a full-fledged industry-strength solution that meets
# the needs in IT infrastructure and application monitoring for
# service performance.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
package apps::voip::asterisk::ami::custom::api;
use strict;
use warnings;
use IO::Socket::INET;
use IO::Select;
sub new {
my ($class, %options) = @_;
my $self = {};
bless $self, $class;
if (!defined($options{output})) {
print "Class Custom: Need to specify 'output' argument.\n";
exit 3;
}
if (!defined($options{options})) {
$options{output}->add_option_msg(short_msg => "Class Custom: Need to specify 'options' argument.");
$options{output}->option_exit();
}
if (!defined($options{noptions})) {
$options{options}->add_options(arguments => {
'ami-hostname:s@' => { name => 'ami_hostname' },
'ami-port:s@' => { name => 'ami_port' },
'ami-username:s@' => { name => 'ami_username' },
'ami-password:s@' => { name => 'ami_password' },
'timeout:s@' => { name => 'timeout' }
});
}
$options{options}->add_help(package => __PACKAGE__, sections => 'AMI API OPTIONS', once => 1);
$self->{output} = $options{output};
$self->{cnx_ami} = undef;
return $self;
}
sub set_options {
my ($self, %options) = @_;
$self->{option_results} = $options{option_results};
}
sub set_defaults {}
sub check_options {
my ($self, %options) = @_;
$self->{ami_hostname} = (defined($self->{option_results}->{ami_hostname})) ? shift(@{$self->{option_results}->{ami_hostname}}) : undef;
$self->{ami_username} = (defined($self->{option_results}->{ami_username})) ? shift(@{$self->{option_results}->{ami_username}}) : undef;
$self->{ami_password} = (defined($self->{option_results}->{ami_password})) ? shift(@{$self->{option_results}->{ami_password}}) : undef;
$self->{ami_port} = (defined($self->{option_results}->{ami_port})) ? shift(@{$self->{option_results}->{ami_port}}) : 5038;
$self->{timeout} = (defined($self->{option_results}->{timeout})) ? shift(@{$self->{option_results}->{timeout}}) : 10;
if (!defined($self->{ami_hostname})) {
$self->{output}->add_option_msg(short_msg => "Need to specify --ami-hostname option.");
$self->{output}->option_exit();
}
if (!defined($self->{ami_username})) {
$self->{output}->add_option_msg(short_msg => "Need to specify --ami-username option.");
$self->{output}->option_exit();
}
if (!defined($self->{ami_password})) {
$self->{output}->add_option_msg(short_msg => "Need to specify --ami-password option.");
$self->{output}->option_exit();
}
if (!defined($self->{ami_hostname}) ||
scalar(@{$self->{option_results}->{ami_hostname}}) == 0) {
return 0;
}
return 1;
}
sub get_connect_info {
my ($self, %options) = @_;
return $self->{ami_hostname} . '_' . $self->{ami_port};
}
sub read_ami_protocol_end {
my ($self, %options) = @_;
if (defined($options{response})) {
if ($options{response} eq 'Follows') {
return 1 if ($options{message} =~ /^--END COMMAND--/ms);
} else {
if ($options{message} =~ /^Message:\s+Command\s+output\s+follows/i) {
return 1 if ($options{message} =~ /\n\n/ms);
} elsif ($options{message} =~ /^Message: (.*)(\n)/ms) {
return 1;
}
}
}
return 0;
}
sub read_ami_protocol {
my ($self, %options) = @_;
my $select = IO::Select->new($self->{cnx_ami});
# Three types of message:
# Response: Error
# Message: Authentication failed
#
# Response: Follows
# ...
# --END COMMAND--
#
# Response: Success
# Message: Command output follows
# output: xxxx
# output: xxxx
# ...
#
my ($response, $read_msg);
my $message = '';
while (1) {
if (!$select->can_read(10)) {
$response = 'Timeout';
last;
}
my $status = $self->{cnx_ami}->recv($read_msg, 4096);
$read_msg =~ s/\r//msg;
if (!defined($response)) {
next if ($read_msg !~ /^Response: (.*?)(?:\n)(.*)/ms);
($response, $message) = ($1, $2);
} else {
$message .= $read_msg;
}
last if ($self->read_ami_protocol_end(response => $response, message => $message));
}
$message =~ s/^Output:\s+//mig;
if ($response !~ /Success|Follows/) {
$message =~ s/\n+$//msg;
$message =~ s/\n/ -- /msg;
$self->{output}->add_option_msg(short_msg => "Communication issue [" . $message . "]");
$self->{output}->option_exit();
}
$self->{output}->output_add(long_msg => $message, debug => 1);
return $message;
}
sub write_ami_protocol {
my ($self, %options) = @_;
$self->{cnx_ami}->send($options{cmd});
}
sub login {
my ($self, %options) = @_;
$self->write_ami_protocol(cmd => "Action:login
Username:$self->{ami_username}
Secret:$self->{ami_password}
Events: off
");
# don't need to get it. If it comes, it's success :)
$self->read_ami_protocol();
}
sub connect {
my ($self, %options) = @_;
$self->{cnx_ami} = IO::Socket::INET->new(
PeerAddr => $self->{ami_hostname},
PeerPort => $self->{ami_port},
Proto => 'tcp',
Timeout => $self->{timeout},
);
if (!defined($self->{cnx_ami})) {
$self->{output}->add_option_msg(short_msg => "Can't bind : $@");
$self->{output}->option_exit();
}
$self->{cnx_ami}->autoflush(1);
$self->login();
}
sub command {
my ($self, %options) = @_;
if (!defined($self->{cnx_ami})) {
$self->connect();
}
$self->write_ami_protocol(cmd => "Action:command
Command:$options{cmd}
");
return $self->read_ami_protocol();
}
sub DESTROY {
my $self = shift;
if (defined($self->{cnx_ami})) {
$self->{cnx_ami}->close();
}
}
1;
__END__
=head1 NAME
Asterisk AMI
=head1 SYNOPSIS
Asterisk AMI custom mode
=head1 AMI API OPTIONS
=over 8
=item B<--ami-hostname>
AMI hostname (Required).
=item B<--ami-port>
AMI port (Default: 5038).
=item B<--ami-username>
AMI username.
=item B<--ami-password>
AMI password.
=item B<--timeout>
Set TCP timeout
=back
=head1 DESCRIPTION
B<custom>.
=cut