#!/usr/bin/perl -w
use strict;
-use vars qw( $log_file $sigterm $sigint );
+use vars qw( $log_file $sigterm $sigint $kids $max_kids );
use subs qw( _die _logmsg );
use Fcntl qw(:flock);
use POSIX qw(setsid);
my $pid_file = '/var/run/freeside-queued.pid';
+$max_kids = '10'; #guess it should be a config file...
+$kids = 0;
+
my $user = shift or die &usage;
&daemonize1;
-sub REAPER { my $pid = wait; $SIG{CHLD} = \&REAPER; }
+sub REAPER { my $pid = wait; $SIG{CHLD} = \&REAPER; $kids--; }
$SIG{CHLD} = \&REAPER;
- $sigterm = 0;
- $sigint = 0;
+$sigterm = 0;
+$sigint = 0;
$SIG{INT} = sub { warn "SIGINT received; shutting down\n"; $sigint++; };
$SIG{TERM} = sub { warn "SIGTERM received; shutting down\n"; $sigterm++; };
warn "freeside-queued starting\n";
+my $warnkids=0;
while (1) {
+ #prevent runaway forking
+ if ( $kids >= $max_kids ) {
+ warn "WARNING: maximum $kids children reached\n" unless $warnkids++;
+ sleep 1; #waiting for signals is cheap
+ next;
+ }
+ $warnkids=0;
+
my $job = qsearchs(
'queue',
{ 'status' => 'new' },
? 'ORDER BY jobnum LIMIT 1 FOR UPDATE'
: 'ORDER BY jobnum FOR UPDATE LIMIT 1'
) or do {
- sleep 5;
+ sleep 5; #connecting to db is expensive
next;
};
my @args = $ljob->args;
- # number of children limit?
defined( my $pid = fork ) or do {
warn "WARNING: can't fork: $!\n";
my %hash = $job->hash;
my $ljob = new FS::queue ( \%hash );
my $error = $ljob->replace($job);
die $error if $error;
+ next; #don't increment the kid counter
};
- unless ( $pid ) { #kid time
+ if ( $pid ) {
+ $kids++;
+ } else { #kid time
#get new db handles
$FS::UID::dbh->{InactiveDestroy} = 1;
if $FS::svc_acct::icradius_dbh;
forksuidsetup($user);
+ #auto-use export classes...
+ if ( $ljob->job =~ /(FS::part_export::\w+)::/ ) {
+ my $class = $1;
+ eval "use $class;";
+ if ( $@ ) {
+ warn "job use $class 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;
+ exit; #end-of-kid
+ };
+ }
+
my $eval = "&". $ljob->job. '(@args);';
warn "running $eval";
eval $eval; #throw away return value? suppose so