net/mwan3: move global mwan3track into main function

Signed-off-by: Florian Eckert <fe@dev.tdt.de>

diff --git a/net/mwan3/files/usr/sbin/mwan3track b/net/mwan3/files/usr/sbin/mwan3track
index 1d89b0d9d745ce7ec33484da188663576e807bf5..64911e94fbc727c1b651be9bc3e2f5049bdda789 100755 (executable)
--- a/net/mwan3/files/usr/sbin/mwan3track
+++ b/net/mwan3/files/usr/sbin/mwan3track
@@ -1,78 +1,74 @@
 #!/bin/sh
 
-[ -z "$12" ] && echo "Error: should not be started manually" && exit 0
+main() {
 
-if [ -e /var/run/mwan3track-$1.pid ] ; then
-       kill $(cat /var/run/mwan3track-$1.pid) &> /dev/null
-       rm /var/run/mwan3track-$1.pid &> /dev/null
-fi
+       [ -z "$12" ] && echo "Error: should not be started manually" && exit 0
 
-echo "$$" > /var/run/mwan3track-$1.pid
-
-score=$(($7+$8))
-track_ips=$(echo $* | cut -d ' ' -f 12-99)
-host_up_count=0
-lost=0
-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 [ -e /var/run/mwan3track-$1.pid ] ; then
+               kill $(cat /var/run/mwan3track-$1.pid) &> /dev/null
+               rm /var/run/mwan3track-$1.pid &> /dev/null
+       fi
 
-               if [ $score -lt $8 ]; then
-                       score=0
+       echo "$$" > /var/run/mwan3track-$1.pid
+
+       local score=$(($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
+                               logger -t mwan3track -p notice "Interface $1 ($2) is offline"
+                               env -i ACTION=ifdown INTERFACE=$1 DEVICE=$2 /sbin/hotplug-call iface
+                               score=0
+                       fi
                else
-                       sleep_time=$10
-               fi
-
-               if [ $score -eq $8 ]; then
-
-                       logger -t mwan3track -p notice "Interface $1 ($2) is offline"
-                       env -i ACTION=ifdown INTERFACE=$1 DEVICE=$2 /sbin/hotplug-call iface
-                       score=0
-
+                       if [ $score -lt $(($7+$8)) ] && [ $lost -gt 0 ]; then
+                               logger -t mwan3track -p 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
+                               logger -t mwan3track -p 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
 
-       else
-
-               if [ $score -lt $(($7+$8)) ] && [ $lost -gt 0 ]; then
-
-                       logger -t mwan3track -p 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
-
-                       logger -t mwan3track -p 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
+               host_up_count=0
+               sleep $sleep_time
+       done
+}
 
-exit 1
+main "$@"