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package printer::services;
use strict;
use services;
use run_program;
sub restart ($) {
my ($service) = @_;
if (services::restart($service)) {
# CUPS needs some time to come up.
wait_for_cups() if $service eq "cups";
return 1;
} else { return 0 }
}
sub start ($) {
my ($service) = @_;
if (services::start($service)) {
# CUPS needs some time to come up.
wait_for_cups() if $service eq "cups";
return 1;
} else { return 0 }
}
sub start_not_running_service ($) {
my ($service) = @_;
# The exit status is not zero when the service is not running
if (services::start_not_running_service($service)) {
return 0;
} else {
run_program::rooted($::prefix, "/etc/rc.d/init.d/$service", "start");
if (($? >> 8) != 0) {
return 0;
} else {
# CUPS needs some time to come up.
wait_for_cups() if $service eq "cups";
return 1;
}
}
}
sub wait_for_cups() {
# CUPS needs some time to come up. Wait up to 30 seconds, checking
# whether CUPS is ready.
my $cupsready = 0;
my $i;
for ($i = 0; $i < 30; $i++) {
# Check whether CUPS is running without any console output
system(($::testing ? $::prefix : "chroot $::prefix/ ") .
"/usr/bin/lpstat -r >/dev/null 2>&1");
if (($? >> 8) != 0) {
# CUPS is not ready, continue
sleep 1;
} else {
# CUPS is ready, quit
$cupsready = 1;
last;
}
}
return $cupsready;
}
1;
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