aredn/files/usr/local/bin/olsrd-watchdog

#!/usr/bin/perl

# wait for the watchdog file to appear
while(not -e "/tmp/olsrd.watchdog") { sleep 15 }
  
$failcount = 0;
$last_olsrstamp = 0;


while(1)
{
  chomp ($olsr = `cat /tmp/olsrd.watchdog`);

  if ( $olsr && $olsr ne $last_olsrstamp ){
    $failcount = 0;
  } else {
    $failcount += 1;
  }
    
  if( $failcount >= 3 )
  {
    ($uptime) = `cat /proc/uptime` =~ /^(\d+)/;
    $date = `date`;
    system qq(echo -n "$uptime $date" >> /tmp/olsrd.log);
    system "/etc/init.d/olsrd restart";
  }

  $last_olsrstamp = $olsr;

  sleep 10;
}