#!/bin/ksh
#
# check_lan_speed.ksh
#
# Olivier Masse, 2004/06/21
#
# This script checks all lan interfaces on an HP-UX system and reports
# their speed.
#
#
#
# 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.
#
#

returncode=0
lanscan | grep ETHER | while read crap crap ppa state lan crap 
do
	speed=$(lanadmin -s $ppa)
	speedmbit=$(($speed / 1000000))
	ifconfig $lan >/dev/null 2>&1
	if [ $? -eq 0 ]
	then
		ifconfig $lan | tail -1 | read crap addr crap
	else
		addr="(unused)"
	fi

	if [ "$1" = "-v" ]
	then
		printf "================================================================\n"
		printf "%-10s %-10s %-10s %-20s\n" "Device" "State" "Speed" "Address"
		printf "%-10s %-10s %-10s %-20s\n" "--------" "--------" "--------" "----------------"
		printf "%-10s %-10s %-10s %-20s\n"  /dev/$lan $state $speedmbit $addr
		printf "\n"
		printf "Specific device information:\n"
		printf "----------------------------\n"
		lanadmin -x $ppa
	fi

	if [ "$1" = "-halfduplex" -o "$1" = "" ]
	then
		if [ ! "$addr" = "(unused)" ]
		then
			lanadmin -x $ppa | grep -i "Half" | grep -q -i "Duplex"
			if [ "$?" -eq 0 ]
			then
				echo "check_lan_speed.ksh: I think that /dev/$lan ($addr) is at $speedmbit mbit HALF-DUPLEX."
				returncode=1
			fi
		fi
	fi
	
	if [ "$1" = "-fullduplex" -o "$1" = "" ]
	then
		if [ ! "$addr" = "(unused)" ]
		then
			lanadmin -x $ppa | grep -i "Full" | grep -q -i "Duplex"
			if [ "$?" -eq 0 ]
			then
				echo "check_lan_speed.ksh: I think that /dev/$lan ($addr) is at $speedmbit mbit FULL-DUPLEX."
				returncode=1
			fi
		fi

	fi
	
	if [ "$1" -a ! "$1" = "-fullduplex" -a ! "$1" = "-halfduplex" -a ! "$1" = "-v" ]
	then
		echo "Usage: $(basename $0) [-v|-halfduplex|-fullduplex]"
		exit 2	
	fi

done

exit $returncode