#!/usr/bin/perl
#
# buildd: daemon to automatically build packages
# Copyright © 1998 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de>
# Copyright © 2009 Roger Leigh <rleigh@debian.org>
# Copyright © 2005 Ryan Murray <rmurray@debian.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see
# <http://www.gnu.org/licenses/>.
#
#######################################################################

use strict;
use warnings;

use Buildd::Conf qw();
use Buildd::Daemon;
use Sbuild::OptionsBase;

sub shutdown_fast ($);
sub reread_config ($);
sub reopen_log ($);

my $conf = Buildd::Conf::new();
exit 1 if !defined($conf);
my $options = Sbuild::OptionsBase->new($conf, "buildd", "1");
exit 1 if !defined($options);
my $daemon = Buildd::Daemon->new($conf);
exit 1 if !defined($daemon);

# Global signal handling
foreach (qw(QUIT ILL TRAP ABRT BUS FPE USR2 SEGV PIPE XCPU XFSZ)) {
    $SIG{$_} = \&shutdown_fast;
}
$SIG{'HUP'} = \&reopen_log;
$SIG{'USR1'} = \&reread_config;
$SIG{'INT'} = \&shutdown;
$SIG{'TERM'} = \&shutdown;

exit $daemon->run();

sub shutdown_fast ($) {
    my $signame = shift;
    $daemon->log("buildd ($$) killed by SIG$signame\n")
	if defined($daemon);
    unlink( $conf->get('PIDFILE') );
    exit 1;
}

sub shutdown ($) {
    my $signame = shift;

    if ($daemon) {
	$daemon->shutdown($signame);
    }
    exit 1;
}

sub reread_config ($) {
    my $signame = shift;

    $daemon->log("buildd ($$) received SIG$signame -- rereading configuration\n")
	if defined($daemon);

    $Buildd::Conf::reread_config = 1;
}

sub reopen_log ($) {
    my $signame = shift;

    $daemon->log("buildd ($$) received SIG$signame -- reopening logfile\n")
	if defined($daemon);

    $daemon->reopen_log();
}

END {
    unlink( $conf->get('PIDFILE') )
	if (defined($conf) &&
	    defined($daemon) &&
	    $daemon->get('Daemon'));
}