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keine Bearbeitungszusammenfassung
===Funktionen===
<pre>
/etc/init.d/vpn start |stop | restart | restart_olsr | restart_tunnel | pingtest | status | check | ifup INTERFACE NODE
</pre>
Die Funktion "check" wird alle 5 Minuten per cron ausgefuehrt und startet den Tunnel oder den OLSR-Dienst neu, falls keine CPU-Zeit mehr konsumiert wird.
===Skript===
<pre>
<pre>
#!/bin/sh
#!/bin/sh
ps ax|
ps ax|
awk -F tap '/tap/ {
awk -F tap '/tap/ {
if($2<99&&$2>=0)
if($2<99&&$2>=0){
NO=$2*1
printf("tap %2i - ",NO)
system("grep \"device tap"NO" \" /etc/vtund.conf")
}
}'|
sort
sort
}
}
fkt_pingall_clients() {
fkt_pingall_clients() {
awk '/ifup/ {printf $1": ";system("ping -c 1 10.63."$12".253|grep \"64 bytes\"");print ""}' /etc/vtund.conf
awk '/ifup/ {printf $1": ";system("ping -c 3 10.63."$12".253 | grep \"64 bytes\"");print ""}' /etc/vtund.conf
awk '/ifup/ {printf $1": ";system("ping -c 3 10.63."$12".1 | grep \"64 bytes\"");print ""}' /etc/vtund.conf
}
fkt_check_olsr_and_tunnel () {
BIN_OLSR="olsrd"
BIN_VTUN="vtund"
PID_OLSR="$(pidof -s $BIN_OLSR)"
PID_VTUN="$(pidof -s $BIN_VTUN)"
OLSR_TIME_1="$(top -p $PID_OLSR -n 1 -b | grep $BIN_OLSR | awk '{print $11}')"
VTUN_TIME_1="$(top -p $PID_VTUN -n 1 -b | grep $BIN_VTUN | awk '{print $11}')"
sleep 60
OLSR_TIME_2="$(top -p $PID_OLSR -n 1 -b | grep $BIN_OLSR | awk '{print $11}')"
VTUN_TIME_2="$(top -p $PID_VTUN -n 1 -b | grep $BIN_VTUN | awk '{print $11}')"
if [ "$OLSR_TIME_1" = "$OLSR_TIME_2" ]; then
$0 restart_olsr
fi
if [ "$VTUN_TIME_1" = "$VTUN_TIME_2" ]; then
$0 restart_tunnel
fi
}
case $1 in
start)
fkt_infotext "Starting freifunk-VPN ..."
fkt_write_olsrd_conf
fkt_netcount_start
fi
if [ "$VTUN_TIME_1" = "$VTUN_TIME_2" ]; then
$0 restart_tunnel
fi
}
}
case $1 in
case $1 in
start)
start)
fkt_infotext "Starting freifunk-VPN ..."
fkt_write_olsrd_conf
fkt_write_olsrd_conf
fkt_netcount_start
fkt_netcount_start
;;
;;
stop)
stop)
fkt_infotext "Stopping freifunk-VPN ..."
fkt_kill_olsrd
fkt_kill_olsrd
fkt_kill_vtund
fkt_kill_vtund
$0 stop
$0 stop
$0 start
$0 start
;;
restart_olsr)
fkt_infotext "Stopping/Starting freifunk-olsr ..."
fkt_kill_olsrd
fkt_start_olsrd
;;
restart_tunnel)
fkt_infotext "Stopping/Starting freifunk-tunnel ..."
fkt_kill_vtund
fkt_start_vtund
;;
;;
status)
status)
fkt_status_vtund
fkt_status_vtund
fkt_status_netcount
fkt_status_netcount
;;
check)
fkt_check_olsr_and_tunnel
;;
;;
pingtest)
pingtest)
;;
;;
*)
*)
echo "Usage: $0 (start|stop|restart|pingtest|status|ifup INTERFACE NODE)"
echo "Usage: $0 ( start |stop | restart | restart_olsr | restart_tunnel | pingtest | status | check | ifup INTERFACE NODE)"
;;
;;
esac
esac
</pre>
</pre>