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#!/usr/bin/perl -w
use strict;
use vars qw( $log_file $sigterm $sigint );
use subs qw( _die _logmsg );
use Fcntl qw(:flock);
use POSIX qw(setsid);
use Date::Format;
use IO::File;
use FS::UID qw(adminsuidsetup forksuidsetup driver_name);
use FS::Record qw(qsearchs);
use FS::queue;
# no autoloading just yet
use FS::cust_main;
use FS::svc_acct;
use Net::SSH 0.05;
my $pid_file = '/var/run/freeside-queued.pid';
my $user = shift or die &usage;
&daemonize;
sub REAPER { my $pid = wait; $SIG{CHLD} = \&REAPER; }
$SIG{CHLD} = \&REAPER;
$sigterm = 0;
$sigint = 0;
$SIG{INT} = sub { warn "SIGINT received; shutting down\n"; $sigint++; };
$SIG{TERM} = sub { warn "SIGTERM received; shutting down\n"; $sigterm++; };
$> = $FS::UID::freeside_uid unless $>;
$< = $>;
$ENV{HOME} = (getpwuid($>))[7]; #for ssh
adminsuidsetup $user;
$log_file = "/usr/local/etc/freeside/queuelog.". $FS::UID::datasrc;
$SIG{__DIE__} = \&_die;
$SIG{__WARN__} = \&_logmsg;
warn "freeside-queued starting\n";
while (1) {
my $job = qsearchs(
'queue',
{ 'status' => 'new' },
'',
driver_name =~ /^mysql$/i
? 'ORDER BY jobnum LIMIT 1 FOR UPDATE'
: 'ORDER BY jobnum FOR UPDATE LIMIT 1'
) or do {
sleep 5;
next;
};
my %hash = $job->hash;
$hash{'status'} = 'locked';
my $ljob = new FS::queue ( \%hash );
my $error = $ljob->replace($job);
die $error if $error;
my @args = $ljob->args;
# number of children limit?
defined( my $pid = fork ) or do {
warn "WARNING: can't fork: $!\n";
my %hash = $job->hash;
$hash{'status'} = 'failed';
$hash{'statustext'} = "[freeside-queued] can't fork: $!";
my $ljob = new FS::queue ( \%hash );
my $error = $ljob->replace($job);
die $error if $error;
};
unless ( $pid ) { #kid time
#get new db handles
$FS::UID::dbh->{InactiveDestroy} = 1;
$FS::svc_acct::icradius_dbh->{InactiveDestroy} = 1
if $FS::svc_acct::icradius_dbh;
forksuidsetup($user);
my $eval = "&". $ljob->job. '(@args);';
warn "running $eval";
eval $eval;
if ( $@ ) {
warn "job $eval failed";
my %hash = $ljob->hash;
$hash{'status'} = 'failed';
$hash{'statustext'} = $@;
my $fjob = new FS::queue( \%hash );
my $error = $fjob->replace($ljob);
die $error if $error;
} else {
$ljob->delete;
}
exit;
#end-of-kid
}
} continue {
if ( $sigterm ) {
warn "received TERM signal; exiting\n";
exit;
}
if ( $sigint ) {
warn "received INT signal; exiting\n";
exit;
}
}
sub usage {
die "Usage:\n\n freeside-queued user\n";
}
sub _die {
my $msg = shift;
unlink $pid_file if -e $pid_file;
_logmsg($msg);
}
sub _logmsg {
chomp( my $msg = shift );
my $log = new IO::File ">>$log_file";
flock($log, LOCK_EX);
seek($log, 0, 2);
print $log "[". time2str("%a %b %e %T %Y",time). "] [$$] $msg\n";
flock($log, LOCK_UN);
close $log;
}
sub daemonize {
chdir "/" or die "Can't chdir to /: $!";
open STDIN, '/dev/null' or die "Can't read /dev/null: $!";
defined(my $pid = fork) or die "Can't fork: $!";
if ( $pid ) {
print "freeside-queued started with pid $pid\n"; #logging to $log_file\n";
exit unless $pid_file;
my $pidfh = new IO::File ">$pid_file" or exit;
print $pidfh "$pid\n";
exit;
}
open STDOUT, '>/dev/null'
or die "Can't write to /dev/null: $!";
setsid or die "Can't start a new session: $!";
open STDERR, '>&STDOUT' or die "Can't dup stdout: $!";
}
=head1 NAME
freeside-queued - Job queue daemon
=head1 SYNOPSIS
freeside-queued user
=head1 DESCRIPTION
Job queue daemon. Should be running at all times.
user: from the mapsecrets file - see config.html from the base documentation
=head1 VERSION
=head1 BUGS
=head1 SEE ALSO
=cut
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