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@ -1,5 +1,7 @@ |
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#!/bin/sh |
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. /lib/functions.sh |
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LOG="/usr/bin/logger -t $(basename "$0")[$$] -p" |
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INTERFACE="" |
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@ -10,25 +12,38 @@ clean_up() { |
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} |
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main() { |
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local reliability count timeout interval failure_interval |
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local recovery_interval down up size |
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[ -z "$12" ] && echo "Error: should not be started manually" && exit 0 |
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[ -z "$3" ] && echo "Error: should not be started manually" && exit 0 |
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INTERFACE=$1 |
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echo "$$" > /var/run/mwan3track-$1.pid |
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trap clean_up SIGINT SIGTERM |
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local score=$(($7+$8)) |
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local track_ips=$(echo $* | cut -d ' ' -f 12-99) |
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config_load mwan3 |
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config_get reliability $1 reliability 1 |
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config_get count $1 count 1 |
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config_get timeout $1 timeout 4 |
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config_get interval $1 interval 10 |
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config_get down $1 down 5 |
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config_get up $1 up 5 |
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config_get size $1 size 56 |
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config_get failure_interval $1 failure_interval $interval |
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config_get recovery_interval $1 recovery_interval $interval |
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local score=$(($down+$up)) |
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local track_ips=$(echo $* | cut -d ' ' -f 3-99) |
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local host_up_count=0 |
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local lost=0 |
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local sleep_time=0 |
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while true; do |
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sleep_time=$6 |
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sleep_time=$interval |
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for track_ip in $track_ips; do |
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ping -I $2 -c $4 -W $5 -s $9 -q $track_ip &> /dev/null |
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ping -I $2 -c $count -W $timeout -s $size -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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@ -36,35 +51,35 @@ main() { |
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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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if [ $host_up_count -lt $reliability ]; then |
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let score-- |
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if [ $score -lt $8 ]; then |
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if [ $score -lt $up ]; then |
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score=0 |
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else |
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sleep_time=$10 |
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sleep_time=$failure_interval |
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fi |
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if [ $score -eq $8 ]; then |
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if [ $score -eq $up ]; then |
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$LOG 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)) ] && [ $lost -gt 0 ]; then |
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$LOG info "Lost $(($lost*$4)) ping(s) on interface $1 ($2)" |
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if [ $score -lt $(($down+$up)) ] && [ $lost -gt 0 ]; then |
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$LOG info "Lost $(($lost*$count)) 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 $8 ]; then |
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score=$(($7+$8)) |
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elif [ $score -le $8 ]; then |
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sleep_time=$11 |
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if [ $score -gt $up ]; then |
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score=$(($down+$up)) |
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elif [ $score -le $up ]; then |
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sleep_time=$recovery_interval |
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fi |
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if [ $score -eq $8 ]; then |
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if [ $score -eq $up ]; then |
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$LOG 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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