Help for this page
sub checkMAC { my $mac = shift; ... lock %macs; $macs{ $mac } = $httpResult && $authResult ? 1 : 0; }
while( <LOG> ) { next unless m[ ACK \s+ ( (?: [0-9a-f]{2} : ){5} : [0-9a-f]{2} )]xi +; async( \&checkMAB, $1 )->detach; ## detach cos there's no result w +e're interested in }