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#!/usr/bin/env perl
use strict;
use warnings;
use 5.010;
use IO::Handle;
use IPC::Run qw(harness);
use Time::HiRes qw(usleep);
our $VERSION = '0.1';
my $host = shift;
my $id = 0;
my $last_id = 0;
my $harness = harness(['ping', '-n', $host],
'<' => \undef,
'>&' => \&parse_ping_output,
);
sub parse_ping_output {
my ($line) = @_;
chomp($line);
if ($line =~ m{ ^ \d+ \s bytes \s from \s \S+ \s icmp_req = (?<id> \d+ ) }x) {
$id = $+{id};
}
}
$harness->start();
# Ignore first line
$harness->pump();
while(usleep(100_000)) {
$harness->pump_nb();
if ($id != $last_id) {
print '^';
$last_id = $id;
}
else {
print '_';
}
STDOUT->flush();
}
$harness->kill_kill( grace => 1 );
__END__
=head1 NAME
=head1 SYNOPSIS
=head1 VERSION
=head1 DESCRIPTION
=head1 OPTIONS
=over
=back
=head1 EXIT STATUS
=head1 CONFIGURATION
None.
=head1 DEPENDENCIES
=over
=back
=head1 BUGS AND LIMITATIONS
=head1 AUTHOR
Copyright (C) 2011 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt>
=head1 LICENSE
0. You just DO WHAT THE FUCK YOU WANT TO.
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