You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
80 lines
1.5 KiB
80 lines
1.5 KiB
#!/bin/sh
|
|
|
|
LOG="/usr/bin/logger -t $(basename "$0")[$$] -p"
|
|
INTERFACE=""
|
|
|
|
clean_up() {
|
|
$LOG notice "Stopping mwan3track for interface \"${INTERFACE}\""
|
|
rm "/var/run/mwan3track-${INTERFACE}.pid" &> /dev/null
|
|
exit 0
|
|
}
|
|
|
|
main() {
|
|
|
|
[ -z "$12" ] && echo "Error: should not be started manually" && exit 0
|
|
|
|
INTERFACE=$1
|
|
echo "$$" > /var/run/mwan3track-$1.pid
|
|
trap clean_up SIGINT SIGTERM
|
|
|
|
local score=$(($7+$8))
|
|
local track_ips=$(echo $* | cut -d ' ' -f 12-99)
|
|
local host_up_count=0
|
|
local lost=0
|
|
local sleep_time=0
|
|
|
|
while true; do
|
|
|
|
sleep_time=$6
|
|
|
|
for track_ip in $track_ips; do
|
|
ping -I $2 -c $4 -W $5 -s $9 -q $track_ip &> /dev/null
|
|
if [ $? -eq 0 ]; then
|
|
let host_up_count++
|
|
else
|
|
let lost++
|
|
fi
|
|
done
|
|
|
|
if [ $host_up_count -lt $3 ]; then
|
|
let score--
|
|
|
|
if [ $score -lt $8 ]; then
|
|
score=0
|
|
else
|
|
sleep_time=$10
|
|
fi
|
|
|
|
if [ $score -eq $8 ]; then
|
|
$LOG notice "Interface $1 ($2) is offline"
|
|
env -i ACTION=ifdown INTERFACE=$1 DEVICE=$2 /sbin/hotplug-call iface
|
|
score=0
|
|
fi
|
|
else
|
|
if [ $score -lt $(($7+$8)) ] && [ $lost -gt 0 ]; then
|
|
$LOG info "Lost $(($lost*$4)) ping(s) on interface $1 ($2)"
|
|
fi
|
|
|
|
let score++
|
|
lost=0
|
|
|
|
if [ $score -gt $8 ]; then
|
|
score=$(($7+$8))
|
|
elif [ $score -le $8 ]; then
|
|
sleep_time=$11
|
|
fi
|
|
|
|
if [ $score -eq $8 ]; then
|
|
$LOG notice "Interface $1 ($2) is online"
|
|
env -i ACTION=ifup INTERFACE=$1 DEVICE=$2 /sbin/hotplug-call iface
|
|
rm /var/run/mwan3track-$1.pid
|
|
exit 0
|
|
fi
|
|
fi
|
|
|
|
host_up_count=0
|
|
sleep $sleep_time
|
|
done
|
|
}
|
|
|
|
main "$@"
|