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mwan3: fixup some extra spaces and shellcheck warnings

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Signed-off-by: Aaron Goodman <aaronjg@stanford.edu>
This commit is contained in:
Aaron Goodman
2020-08-31 19:15:09 -04:00
parent 386f18a7e5
commit b7e26dd431
6 changed files with 92 additions and 92 deletions
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net/mwan3/files/usr/sbin/mwan3track
+16 -18
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@@ -44,7 +44,7 @@ validate_track_method() {
LOG warn "Missing httping. Please install httping package."
return 1
}
[ -n "$2" -a "$2" != "0.0.0.0" -a "$2" != "::" ] || {
[ -n "$2" ] && { [ "$2" = "0.0.0.0" ] || [ "$2" = "::" ]; } && {
LOG warn "Cannot determine source IP for the interface which is required by httping."
return 1
}
@@ -64,10 +64,10 @@ validate_track_method() {
disconnected() {
echo "offline" > /var/run/mwan3track/$INTERFACE/STATUS
echo "$(get_uptime)" > /var/run/mwan3track/$INTERFACE/OFFLINE
get_uptime > /var/run/mwan3track/$INTERFACE/OFFLINE
echo "0" > /var/run/mwan3track/$INTERFACE/ONLINE
score=0
[ "$1" == 1 ] && return
[ "$1" = 1 ] && return
LOG notice "Interface $INTERFACE ($DEVICE) is offline"
env -i ACTION="disconnected" INTERFACE="$INTERFACE" DEVICE="$DEVICE" /sbin/hotplug-call iface
}
@@ -75,12 +75,12 @@ disconnected() {
connected() {
echo "online" > /var/run/mwan3track/$INTERFACE/STATUS
echo "0" > /var/run/mwan3track/$INTERFACE/OFFLINE
echo "$(get_uptime)" > /var/run/mwan3track/$INTERFACE/ONLINE
get_uptime > /var/run/mwan3track/$INTERFACE/ONLINE
host_up_count=0
lost=0
turn=0
loss=0
[ "$1" == 1 ] && return
[ "$1" = 1 ] && return
LOG notice "Interface $INTERFACE ($DEVICE) is online"
env -i ACTION="connected" INTERFACE="$INTERFACE" DEVICE="$DEVICE" /sbin/hotplug-call iface
}
@@ -94,11 +94,9 @@ firstconnect() {
}
update_status() {
local status track_ip
track_ip=$1
status=$2
local track_ip=$1
echo "$1" > /var/run/mwan3track/$INTERFACE/TRACK_${track_ip}
echo "$2" > /var/run/mwan3track/$INTERFACE/TRACK_${track_ip}
[ -z "$3" ] && return
echo "$3" > /var/run/mwan3track/$INTERFACE/LATENCY_${track_ip}
echo "$4" > /var/run/mwan3track/$INTERFACE/LOSS_${track_ip}
@@ -151,13 +149,13 @@ main() {
config_get failure_loss $INTERFACE failure_loss 40
config_get recovery_loss $INTERFACE recovery_loss 10
local score=$(($down+$up))
local score=$((down+up))
local track_ips=$(echo $* | cut -d ' ' -f 5-99)
local host_up_count=0
local lost=0
local turn=0
local ping_protocol=4
local sleep_time result ping_result ping_result_raw ping_status loss latency
local sleep_time result ping_result ping_result_raw ping_status loss latency
firstconnect
while true; do
@@ -183,7 +181,7 @@ main() {
ping_result_raw="$($PING -$ping_protocol -I ${SRC_IP:-$DEVICE} -c $count -W $timeout -s $size -t $max_ttl -q $track_ip 2>/dev/null)"
ping_status=$?
ping_result=$(echo "$ping_result_raw" | tail -n2)
loss="$(echo "$ping_result" | grep "packet loss" | cut -d "," -f3 | awk '{print $1}' | sed -e 's/%//')"
loss="$(echo "$ping_result" | grep "packet loss" | cut -d "," -f3 | awk '{print $1}' | sed -e 's/%//')"
if [ "$ping_status" -ne 0 ] || [ "$loss" -eq 100 ]; then
latency=999999
loss=100
@@ -234,14 +232,14 @@ main() {
fi
fi
else
if [ "$loss" -ge "$failure_loss" -o "$latency" -ge "$failure_latency" ]; then
if [ "$loss" -ge "$failure_loss" ] || [ "$latency" -ge "$failure_latency" ]; then
let lost++
update_status "$track_ip" "down" $latency $loss
if [ $score -gt $up ]; then
LOG info "Check (${track_method}: latency=${latency}ms loss=${loss}%) failed for target \"$track_ip\" on interface $INTERFACE ($DEVICE). Current score: $score"
fi
elif [ "$loss" -le "$recovery_loss" -a "$latency" -le "$recovery_latency" ]; then
elif [ "$loss" -le "$recovery_loss" ] && [ "$latency" -le "$recovery_latency" ]; then
let host_up_count++
update_status "$track_ip" "up" $latency $loss
@@ -274,8 +272,8 @@ main() {
score=0
fi
else
if [ $score -lt $(($down+$up)) ] && [ $lost -gt 0 ]; then
LOG info "Lost $(($lost*$count)) ping(s) on interface $INTERFACE ($DEVICE). Current score: $score"
if [ $score -lt $((down+up)) ] && [ $lost -gt 0 ]; then
LOG info "Lost $((lost*count)) ping(s) on interface $INTERFACE ($DEVICE). Current score: $score"
fi
let score++
@@ -283,7 +281,7 @@ main() {
if [ $score -gt $up ]; then
echo "online" > /var/run/mwan3track/$INTERFACE/STATUS
score=$(($down+$up))
score=$((down+up))
elif [ $score -le $up ]; then
sleep_time=$recovery_interval
fi
@@ -298,7 +296,7 @@ main() {
echo "${lost}" > /var/run/mwan3track/$INTERFACE/LOST
echo "${score}" > /var/run/mwan3track/$INTERFACE/SCORE
echo "${turn}" > /var/run/mwan3track/$INTERFACE/TURN
echo "$(get_uptime)" > /var/run/mwan3track/$INTERFACE/TIME
get_uptime > /var/run/mwan3track/$INTERFACE/TIME
host_up_count=0
sleep "${sleep_time}" &