91 lines
2.2 KiB
Perl
Executable File
91 lines
2.2 KiB
Perl
Executable File
#!/usr/bin/env perl
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use FindBin;
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use lib "$FindBin::Bin/../lib";
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use App::Netdisco;
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# for netdisco app config
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use Dancer qw/:moose :script/;
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# callbacks and local job queue management
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use App::Netdisco::Daemon::Queue ':all';
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# needed to quench AF_INET6 symbol errors
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use NetAddr::IP::Lite ':lower';
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BEGIN {
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# set temporary location in home directory
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# this should probably be overridable
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use Path::Class 'dir';
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my $tmp_dir = dir($ENV{HOME}, 'tmp');
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mkdir $tmp_dir if ! -d $tmp_dir;
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$ENV{TEMP} = $tmp_dir;
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# set a new process group using our own process ID
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# (as this is what MCE uses to signal the children)
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setpgrp($$, 0);
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}
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use MCE;
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use Role::Tiny::With;
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my $mce = MCE->new(
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spawn_delay => 0.15,
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job_delay => 0.15,
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user_func => sub { $_[0]->worker_body },
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on_post_exit => \&restart_worker,
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user_tasks => build_tasks_list(),
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)->run();
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sub build_tasks_list {
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my $tasks = [];
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push @$tasks, {
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max_workers => 1,
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user_begin => worker_factory('Manager'),
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};
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set(daemon_pollers => 2)
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if !defined setting('daemon_pollers');
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set(daemon_interactives => 2)
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if !defined setting('daemon_interactives');
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# XXX MCE does not like max_workers => 0
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push @$tasks, {
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max_workers => setting('daemon_pollers'),
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user_begin => worker_factory('Poller'),
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} if setting('daemon_pollers');
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push @$tasks, {
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max_workers => setting('daemon_interactives'),
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user_begin => worker_factory('Interactive'),
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} if setting('daemon_interactives');
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return $tasks;
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}
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sub worker_factory {
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my $role = shift;
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return sub {
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my $self = shift;
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# my $wid = $self->wid;
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# $self->sendto('stderr', ">>> worker $wid starting with role $role\n");
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Role::Tiny->apply_roles_to_object($self, "App::Netdisco::Daemon::Worker::$role");
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# XXX temporary work around for MCE's use of __DIE__
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my $mce_die = $SIG{__DIE__};
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$SIG{__DIE__} = sub { CORE::die($@) if $^S; $mce_die->(@_) };
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# XXX "there's nothing so permanent as temporary..." ~~ Milton Friedman
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$self->worker_begin if $self->can('worker_begin');
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};
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}
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sub restart_worker {
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my ($self, $e) = @_;
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reset_jobs($e->{wid});
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$self->restart_worker($e->{wid});
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}
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