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package MMM::Monitor::NetworkChecker;
use strict;
use warnings FATAL => 'all';
use Log::Log4perl qw(:easy);
use MMM::Monitor::Checker;
our $VERSION = '0.01';
=head1 NAME
MMM::Monitor::NetworkChecker - Function for checking state of network
=head1 SYNOPSIS
our $shutdown :shared = 0;
our $have_net :shared = 0;
$SIG{INT} = sub { $shutdown = 1; };
my $thread = new threads(\&MMM::Monitor::NetworkChecker::main)
=cut
sub main() {
my @ips = @{$main::config->{monitor}->{ping_ips}};
# Create checker
my $checker = new MMM::Monitor::Checker::('ping_ip');
# Perform checks until shutdown
while (!$main::shutdown) {
my $state = 0;
foreach my $ip (@ips) {
last if ($main::shutdown);
# Ping checker
$checker->spawn() unless $checker->ping();
my $res = $checker->check($ip);
if ($res =~ /^OK/) {
$state = 1;
last;
}
}
if ($main::have_net != $state) {
FATAL "Network is reachable" if ($state);
FATAL "Network is unreachable" unless ($state);
$main::have_net = $state;
}
# Sleep a while before checking every ip again
sleep($main::config->{monitor}->{ping_interval});
}
$checker->shutdown();
}
sub wait_for_network() {
my @ips = @{$main::config->{monitor}->{ping_ips}};
# Create checker
my $checker = new MMM::Monitor::Checker::('ping_ip');
while (!$main::shutdown) {
# Ping all ips
foreach my $ip (@ips) {
last if ($main::shutdown);
# Ping checker
$checker->spawn() unless $checker->ping();
my $res = $checker->check($ip);
if ($res =~ /^OK/) {
DEBUG "IP '$ip' is reachable: $res";
$checker->shutdown();
return 1;
}
}
# Sleep a while before checking every ip again
sleep($main::config->{monitor}->{ping_interval});
}
$checker->shutdown();
return 0;
}
1;
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