#!@@GOODSH@@
# -*- sh -*-

: << =cut

=head1 NAME

ping_ - Plugin to monitor ping times

=head1 CONFIGURATION

The following environment variables are used by this plugin

 ping_args       - Arguments to ping (default "-c 2")
 ping_args2      - Arguments after the host name (required for Solaris)
 ping            - Ping program to use
 host            - Host to ping. By default taken from command name.
 ping_warn       - Warning limit for nagios notification
 ping_crit       - Critical limit for nagios notification
 packetloss_warn - Warning limit for nagios notification
 packetloss_crit - Critical limit for nagios notification

=head2 CONFIGURATION EXAMPLES

The following configuration should be used for solaris hosts:

 [ping_*]
  env.ping_args      -s
  env.ping_args2     56 2

=head1 AUTHOR

Copyright (C) 2004 Jimmy Olsen

=head1 LICENSE

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 dated June, 1991.

This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.

=head1 MAGIC MARKERS

 #%# family=manual

=cut

. $MUNIN_LIBDIR/plugins/plugin.sh

case $0 in
    *ping6_*)
        PING=ping6
        file_host=${0##*/ping6_}
        V=IPv6
        ;;
    *ping_*)
        PING=ping
        file_host=${0##*/ping_}
        V=IPv4
        ;;
esac

host=${host:-${file_host:-www.google.com}}

if [ "$1" = "config" ]; then
        echo graph_title $V ping times to $host
        echo 'graph_args --base 1000 -l 0'
        echo 'graph_vlabel roundtrip time (seconds)'
        echo 'graph_category network'
        echo 'graph_info This graph shows ping RTT statistics.'
        echo "ping.label $host"
        echo "ping.info Ping RTT statistics for $host."
        echo 'packetloss.label packet loss'
        echo 'packetloss.graph no'
        print_warning ping
        print_warning packetloss
        print_critical ping
        print_critical packetloss
        exit 0
fi


${ping:-$PING} ${ping_args:-'-c 2'} ${host} ${ping_args2} | perl -n -e 'print "ping.value ", $1 / 1000, "\n" if m@min/avg/max.*\s\d+(?:\.\d+)?/(\d+(?:\.\d+)?)/\d+(?:\.\d+)?@; print "packetloss.value $1\n" if /(\d+)% packet loss/;'
