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|
#!/bin/sh
#
# Return a list of hosts which not reachable via ICMP echo
#
# Jim Trocki, trockij@transmeta.com
#
# $Id: ping.monitor 1.2 Sat, 30 Jun 2001 14:44:29 -0400 trockij $
#
# Copyright (C) 1998, Jim Trocki
#
# 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; either version 2 of the License, or
# (at your option) any later version.
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
plat=`uname`
p=`which ping`
if [ ! -x "$p" ]
then
echo ping.monitor error, could not find ping
exit 1
fi
if [ "$#" = 0 ]
then
echo ping: no hosts found
exit 1
fi
case "$plat" in
Linux)
PING="ping -c 1"
;;
SunOS)
PING="/usr/sbin/ping"
;;
NetBSD|OpenBSD)
PING="/sbin/ping -c 1"
;;
*)
echo "unknown plat <$plat>"
exit 1
;;
esac
failed=""
for h in "$@"
do
if $PING $h >/dev/null 2>/dev/null
then
:
else
if [ "$failed" = "" ]
then
failed="$h"
else
failed="$failed $h"
fi
fi
done
if [ "$failed" != "" ]
then
echo "$failed"
exit 1
fi
exit 0
|
