ping_radar

PING RADAR
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Ping radar is a programm that regulary attempt to ping a list of
hosts and display the reponse time. It has been written just for
fun.
Actually its a developpment version with a lot of hardcoded stuff
and no argument parsing.

The programm read a list of hostname, ip addresses, or CIDR from
the file $HOME/.hosts_scanner and run childs processes to update
a temporary result file.

CIDR ip ranges are implemented using nmap in a child process. When
an IP answer a ping child process is started.

There is an implementation of mutex lock/release using a
temporary directory for result file and stdout writes.

BUGS
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When quitting using ctrl+c CIDR child processes take times to stop
and generaly the child killing process is slow.