66 lines
1.3 KiB
Bash
Executable File
66 lines
1.3 KiB
Bash
Executable File
#!/bin/sh
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[ -z "$9" ] && echo "Error: should not be started manually" && exit 0
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if [ -e /var/run/mwan3track-$1.pid ] ; then
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kill $(cat /var/run/mwan3track-$1.pid) &> /dev/null
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rm /var/run/mwan3track-$1.pid &> /dev/null
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fi
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echo "$$" > /var/run/mwan3track-$1.pid
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score=$(($7+$8))
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track_ips=$(echo $* | cut -d ' ' -f 9-99)
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host_up_count=0
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lost=0
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while true; do
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for track_ip in $track_ips; do
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ping -I $2 -c $4 -W $5 -q $track_ip &> /dev/null
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if [ $? -eq 0 ]; then
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let host_up_count++
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else
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let lost++
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fi
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done
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if [ $host_up_count -lt $3 ]; then
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let score--
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if [ $score -lt $8 ]; then score=0 ; fi
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if [ $score -eq $8 ]; then
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logger -t mwan3track -p notice "Interface $1 ($2) is offline"
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env -i ACTION=ifdown INTERFACE=$1 DEVICE=$2 /sbin/hotplug-call iface
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score=0
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fi
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else
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if [ $score -lt $(($7+$8)) ] && [ $lost -gt 0 ]; then
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logger -t mwan3track -p info "Lost $(($lost*$4)) ping(s) on interface $1 ($2)"
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fi
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let score++
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lost=0
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if [ $score -gt $8 ]; then score=$(($7+$8)); fi
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if [ $score -eq $8 ]; then
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logger -t mwan3track -p notice "Interface $1 ($2) is online"
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env -i ACTION=ifup INTERFACE=$1 DEVICE=$2 /sbin/hotplug-call iface
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rm /var/run/mwan3track-$1.pid
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exit 0
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fi
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fi
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host_up_count=0
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sleep $6
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done
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exit 1
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