Files
netdisco/Netdisco/bin/netdisco-daemon
2012-12-12 22:32:26 +00:00

73 lines
1.6 KiB
Perl
Executable File

#!/usr/bin/env perl
use Dancer qw/:moose :script/;
use Dancer::Plugin::DBIC 'schema';
use Daemon::Generic::While1;
use Parallel::Prefork;
use Role::Tiny;
my $pp = Parallel::Prefork->new(
max_workers => 2,
spawn_interval => 2,
trap_signals => {
TERM => 'TERM',
INT => 'TERM',
HUP => undef, # catch but don't relay to workers
},
);
newdaemon(
progname => 'netdisco-daemon',
($> != 0 ? (pidbase => './') : ()),
logpriority => 'daemon.info',
);
before 'gd_quit_event' => sub {
$pp->wait_all_children;
};
# main manager loop
sub gd_run_body {
my $self = shift;
# time to die...
if ($pp->signal_received =~ m/^(?:TERM|INT)$/) {
$self->gd_quit_event;
}
# reload config and kill workers
if ($pp->signal_received eq 'HUP') {
# clear signal
$pp->signal_received('');
# reload dancer config
%Dancer::Config::_LOADED = ();
Dancer::Config::load();
# kill workers (they will be restarted)
$pp->signal_all_children('TERM');
$pp->wait_all_children();
$pp->{_no_adjust_until} = 0; # BUG in Prefork.pm
}
if ($pp->num_workers < $pp->max_workers) {
$pp->start and return;
with 'Netdisco::Daemon::Worker::Interactive';
$self->worker_body;
$pp->finish;
}
# check for new jobs, take one if available
$self->manager_body;
$self->gd_sleep( setting('daemon_sleep_time') || 5 );
}
# do not remove - must be redefined for Daemon::Generic
sub gd_preconfig { return () }
# nullify this so we allow Parallel::Prefork to register handlers instead
sub gd_setup_signals {}