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bin/anyevent-mqtt-monitor  view on Meta::CPAN

#!/usr/bin/perl -w
use strict;
use warnings;

# ABSTRACT: Perl script for subscribing to an MQTT topic
# PODNAME: anyevent-mqtt-sub


use Gtk2 -init;
use Gtk2::SimpleList;
use Net::MQTT::Constants;
use AnyEvent::MQTT;
use POSIX qw/strftime/;
use Getopt::Long;
use Pod::Usage;

my $timefmt = "%Y-%m-%d %H:%M:%S";

my $xpl;
my $help;
my $man;
my $verbose = 0;
my $retain = 1;
my $history_size = 20;
my $host = '127.0.0.1';
my $port = 1883;
my $qos = MQTT_QOS_AT_MOST_ONCE;
my $keep_alive_timer = 120;
GetOptions('help|?' => \$help,
           'man' => \$man,
           'verbose+' => \$verbose,
           'retain!' => \$retain,
           'history-size=i' => \$history_size,
           'host=s' => \$host,
           'port=i' => \$port,
           'qos=i' => \$qos,
           'keepalive=i' => \$keep_alive_timer) or pod2usage(2);
pod2usage(1) if ($help);
pod2usage(-exitstatus => 0, -verbose => 2) if $man;

my $mqtt =
  AnyEvent::MQTT->new(host => $host, port => $port,
                      keep_alive_timer => $keep_alive_timer,
                      on_error => sub {
                        my ($fatal, $message) = @_;
                        if ($fatal) {
                          die $message, "\n";
                        } else {
                          warn $message, "\n";
                        }
                      });

foreach my $topic (scalar @ARGV ? @ARGV : '#') {
  $mqtt->subscribe(topic => $topic, callback => \&log, qos => $qos);
}

my %d;
my $win = Gtk2::Window->new('toplevel');
$win->set_title('MQTT Monitor');
$win->set_default_size(400, 400);
my $vbox = Gtk2::VBox->new(0,0);
$win->add($vbox);
my $slist = Gtk2::SimpleList->new('Topic' => 'text',
                                  'Message' => 'text',
                                  'Time' => 'text');
$slist->signal_connect(button_press_event => \&button_press);
$slist->set_rules_hint(1);
$slist->get_selection->set_mode('single');
$slist->get_selection->unselect_all;

@{$slist->{data}} = ();
my $scrolled = Gtk2::ScrolledWindow->new;
$scrolled->set_policy('automatic', 'automatic');
$scrolled->add($slist);
$vbox->add($scrolled);
foreach (['Quit' => sub { Gtk2->main_quit }]) {
  my $button = Gtk2::Button->new($_->[0]);
  $button->signal_connect(clicked => $_->[1]);
  $vbox->pack_start($button, 0, 0, 0);
}
my $menu = Gtk2::Menu->new();
$menu->set_name('client menu');
my $tearoff = Gtk2::TearoffMenuItem->new();
$menu->append($tearoff);
$tearoff->show;
foreach (['History' => \&history_callback]) {
  my ($title, $cb) = @$_;
  my $item = Gtk2::MenuItem->new($title);
  $item->signal_connect('activate', $cb);
  $menu->append($item);
  $item->show;
}
$win->show_all;

my $dialog = Gtk2::Window->new();
$dialog->signal_connect("destroy", sub { $dialog->hide(); 1; });
$dialog->set_role('dialog');
$dialog->realize();
my $hist_list = Gtk2::SimpleList->new('Time' => 'text',
                                      'Summary' => 'text');
$hist_list->set_rules_hint(1);
$hist_list->signal_connect(button_press_event => \&hist_button_press);
my $dialog_vbox = Gtk2::VBox->new(0,0);

bin/anyevent-mqtt-monitor  view on Meta::CPAN

}

sub dump_callback {
  print $d{hist_selected}->[0]->string, "\n";
}

__END__

=pod

=encoding UTF-8

=head1 NAME

anyevent-mqtt-sub - Perl script for subscribing to an MQTT topic

=head1 VERSION

version 1.212810

=head1 SYNOPSIS

  anyevent-mqtt-sub [options] topic1 [topic2] [topic3] ...

=head1 DESCRIPTION

This script subscribes to one or more MQTT topics and prints any
messages that it receives to stdout.

=head1 OPTIONS

=over

=item B<-help>

Print a brief help message.

=item B<-man>

Print the manual page.

=item B<-host A.B.C.D>

The host running the MQTT service.  The default is C<127.0.0.1>.

=item B<-port NNNNN>

The port of the running MQTT service.  The default is 1883.

=item B<-qos N>

The QoS level for the published message.  The default is
0 (C<MQTT_QOS_AT_MOST_ONCE>).

=item B<-verbose>

Include more verbose output.

=item B<-keepalive NNN>

The keep alive timer value.  Defaults to 120 seconds.  For simplicity,
it is also currently used as the connection/subscription timeout.

=item B<--history-size NNN>

Number of messages to keep for each topic.  Defaults to keeping 20 messages.

=item B<--no-retain>

Ignore retained messages.  That is, wait for new messages rather than
processing existing retained messages.

=back

=head1 SEE ALSO

AnyEvent::MQTT(3)

=head1 AUTHOR

Mark Hindess <soft-cpan@temporalanomaly.com>

=head1 COPYRIGHT AND LICENSE

This software is copyright (c) 2014 by Mark Hindess.

This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.

=cut