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net/mwan3: add ttl check 

Add the additional optional ttl check to test the connection.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>
This commit is contained in:
Florian Eckert 2018-05-08 13:52:21 +02:00
parent 222b9f50f3
commit c9d8fceb63
1 changed files with 4 additions and 2 deletions
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6
net/mwan3/files/usr/sbin/mwan3track
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@ -55,6 +55,7 @@ main() {
local recovery_interval down up size
local keep_failure_interval check_quality failure_latency
local recovery_latency failure_loss recovery_loss
local max_ttl
[ -z "$5" ] && echo "Error: should not be started manually" && exit 0
@ -84,6 +85,7 @@ main() {
config_get down $1 down 5
config_get up $1 up 5
config_get size $1 size 56
config_get max_ttl $1 max_ttl 60
config_get failure_interval $1 failure_interval $interval
config_get_bool keep_failure_interval $1 keep_failure_interval 0
config_get recovery_interval $1 recovery_interval $interval
@ -120,10 +122,10 @@ main() {
case "$track_method" in
ping)
if [ $check_quality -eq 0 ]; then
ping -I $DEVICE -c $count -W $timeout -s $size -q $track_ip &> /dev/null
ping -I $DEVICE -c $count -W $timeout -s $size -t $max_ttl -q $track_ip &> /dev/null
result=$?
else
ping_result="$(ping -I $DEVICE -c $count -W $timeout -s $size -q $track_ip | tail -2)"
ping_result="$(ping -I $DEVICE -c $count -W $timeout -s $size -t $max_ttl -q $track_ip | tail -2)"
loss="$(echo "$ping_result" | grep "packet loss" | cut -d "," -f3 | awk '{print $1}' | sed -e 's/%//')"
if [ "$loss" -eq 100 ]; then
latency=999999