#!/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);
use Date::Format;
use IO::File;
-use FS::UID qw(adminsuidsetup);
+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;
+use Net::SSH 0.05;
+use FS::part_export;
my $pid_file = '/var/run/freeside-queued.pid';
-$SIG{CHLD} = sub { wait }; #zombie prevention
+$max_kids = '10'; #guess it should be a config file...
+$kids = 0;
my $user = shift or die &usage;
-&daemonize;
+&daemonize1;
- $sigterm = 0;
- $sigint = 0;
+sub REAPER { my $pid = wait; $SIG{CHLD} = \&REAPER; $kids--; }
+$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++; };
$log_file = "/usr/local/etc/freeside/queuelog.". $FS::UID::datasrc;
+&daemonize2;
+
$SIG{__DIE__} = \&_die;
$SIG{__WARN__} = \&_logmsg;
-warn "freesied-queued starting\n";
+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 $job = qsearchs(
'queue',
{ 'status' => 'new' },
'',
- 'ORDER BY jobnum FOR UPDATE LIMIT 1'
+ driver_name =~ /^mysql$/i
+ ? '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;
- #fork a child for each job (up to some maximum perhaps?)
- #single-threaded for now.
-
- my $eval = "&". $ljob->job. '(@args);';
- warn "running $eval";
- eval $eval;
- if ( $@ ) {
- warn "job $eval failed";
- my %hash = $ljob->hash;
+ defined( my $pid = fork ) or do {
+ warn "WARNING: can't fork: $!\n";
+ my %hash = $job->hash;
$hash{'status'} = 'failed';
- my $fjob = new FS::queue( \%hash );
- my $error = $fjob->replace($ljob);
+ $hash{'statustext'} = "[freeside-queued] can't fork: $!";
+ my $ljob = new FS::queue ( \%hash );
+ my $error = $ljob->replace($job);
die $error if $error;
- } else {
- $ljob->delete;
+ next; #don't increment the kid counter
+ };
+
+ if ( $pid ) {
+ $kids++;
+ } else { #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);
+
+ #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
+ 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 {
close $log;
}
-sub daemonize {
+sub daemonize1 {
chdir "/" or die "Can't chdir to /: $!";
open STDIN, '/dev/null' or die "Can't read /dev/null: $!";
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: $!";
+
+}
+
+sub daemonize2 {
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