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Add minimum quality/max age thresholds to originatos and clients in "wlanwatchdog.sh"

This commit is contained in:
marc René Schädler 2013-10-28 09:27:32 +01:00 committed by Tim Niemeyer
parent 49bf540db4
commit 0409076991
1 changed files with 26 additions and 10 deletions
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36
bsp/default/root_file_system/etc/wlanwatchdog.sh
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@ -10,6 +10,8 @@ DAY=86400
TIMEOUT_SHORT=$((4*$MINUTE))
TIMEOUT_MEDIUM=$((29*$MINUTE))
TIMEOUT_LONG=$DAY
ORIGINATOR_QUALITY_MIN=50
CLIENT_AGE_MAX=60
STATEFILE="/tmp/wlanwatchdogstate"
DEBUGFILE="/root/wlanwatchdog_debug.log.gz"
@ -56,7 +58,14 @@ get_time() {
count_originators() {
local COUNT=0
if [ -n "$BATMAN_INTERFACE" ]; then
COUNT=$(tail -n +3 /sys/kernel/debug/batman_adv/$BATMAN_INTERFACE/originators 2> /dev/null | grep -v "nodes in range" | wc -l)
COUNT=$(tail -n +3 /sys/kernel/debug/batman_adv/$BATMAN_INTERFACE/originators 2> /dev/null | \
grep "$1" | \
grep -o "^\([0-9a-f]\{2\}:\?\)\+[[:space:]]\+[0-9.]\+s[[:space:]]\+([ 0-9]\+)" | \
cut -d\( -f2 | \
cut -d\) -f1 | \
tr -d " " | \
awk -vlimit=$ORIGINATOR_QUALITY_MIN '$1>=limit{print $1}' | \
wc -l)
fi
echo $COUNT
}
@ -65,27 +74,34 @@ count_clients() {
local COUNT=0
local NUMBER=
if [ -n "$BRIDGE_INTERFACE" ] && [ -n "$WLAN_CLIENT_INTERFACE" ]; then
NUMBER=$(brctl showstp $BRIDGE_INTERFACE 2> /dev/null | grep $WLAN_CLIENT_INTERFACE | cut -d" " -f2 | tr -d "()")
NUMBER=$(brctl showstp $BRIDGE_INTERFACE 2> /dev/null | \
grep $WLAN_CLIENT_INTERFACE | \
cut -d" " -f2 | \
tr -d "()")
fi
if [ -n "$BRIDGE_INTERFACE" ] && [ -n "$NUMBER" ]; then
COUNT=$(brctl showmacs $BRIDGE_INTERFACE 2> /dev/null | grep -v yes | cut -f1 | grep "$NUMBER" | wc -l)
COUNT=$(brctl showmacs "^$BRIDGE_INTERFACE " 2> /dev/null | \
grep -o "^[[:space:]]*$NUMBER[[:space:]]\+\([0-9a-f]\{2\}:\?\)\+[[:space:]]\+no[[:space:]]\+[0-9]\+" | \
tr "\t" " " | \
tr -s " " | \
cut -d" " -f5 | \
awk -vlimit=$CLIENT_AGE_MAX '$1<=limit{print $1}' | \
wc -l)
fi
echo $COUNT
}
count_neighbours() {
local COUNT=0
#FIXME: this counts all nodes that accessable via the WLAN mesh interface
if [ -n "$BATMAN_INTERFACE" ] && [ -n "$WLAN_MESH_INTERFACE" ]; then
COUNT=$(tail -n +3 /sys/kernel/debug/batman_adv/$BATMAN_INTERFACE/originators | grep "$WLAN_MESH_INTERFACE" | wc -l)
fi
echo $COUNT
count_originators "$WLAN_MESH_INTERFACE"
}
scan_wlan() {
#FIXME: if you can; is there an easier way to get the current frequency?
#FIXME: this should reanimate the wlan driver; do passive and active scanning the job equally well?
local FREQUENCY=$(iwlist $WLAN_MESH_INTERFACE frequency 2> /dev/null | grep -o "Current Frequency=[0-9.]\+ GHz" | grep -o "[0-9.]*" | tr -d ".")
local FREQUENCY=$(iwlist $WLAN_MESH_INTERFACE frequency 2> /dev/null | \
grep -o "Current Frequency=[0-9.]\+ GHz" | \
grep -o "[0-9.]*" | \
tr -d ".")
[ -n "$FREQUENCY" ] && iw $WLAN_MESH_INTERFACE scan freq $FREQUENCY passive 1> /dev/null 2> /dev/null
}