forked from freifunk-franken/firmware
Add minimum quality/max age thresholds to originatos and clients in "wlanwatchdog.sh"
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49bf540db4
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0409076991
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@ -10,6 +10,8 @@ DAY=86400
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TIMEOUT_SHORT=$((4*$MINUTE))
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TIMEOUT_MEDIUM=$((29*$MINUTE))
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TIMEOUT_LONG=$DAY
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ORIGINATOR_QUALITY_MIN=50
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CLIENT_AGE_MAX=60
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STATEFILE="/tmp/wlanwatchdogstate"
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DEBUGFILE="/root/wlanwatchdog_debug.log.gz"
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@ -56,7 +58,14 @@ get_time() {
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count_originators() {
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local COUNT=0
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if [ -n "$BATMAN_INTERFACE" ]; then
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COUNT=$(tail -n +3 /sys/kernel/debug/batman_adv/$BATMAN_INTERFACE/originators 2> /dev/null | grep -v "nodes in range" | wc -l)
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COUNT=$(tail -n +3 /sys/kernel/debug/batman_adv/$BATMAN_INTERFACE/originators 2> /dev/null | \
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grep "$1" | \
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grep -o "^\([0-9a-f]\{2\}:\?\)\+[[:space:]]\+[0-9.]\+s[[:space:]]\+([ 0-9]\+)" | \
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cut -d\( -f2 | \
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cut -d\) -f1 | \
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tr -d " " | \
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awk -vlimit=$ORIGINATOR_QUALITY_MIN '$1>=limit{print $1}' | \
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wc -l)
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fi
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echo $COUNT
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}
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@ -65,27 +74,34 @@ count_clients() {
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local COUNT=0
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local NUMBER=
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if [ -n "$BRIDGE_INTERFACE" ] && [ -n "$WLAN_CLIENT_INTERFACE" ]; then
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NUMBER=$(brctl showstp $BRIDGE_INTERFACE 2> /dev/null | grep $WLAN_CLIENT_INTERFACE | cut -d" " -f2 | tr -d "()")
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NUMBER=$(brctl showstp $BRIDGE_INTERFACE 2> /dev/null | \
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grep $WLAN_CLIENT_INTERFACE | \
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cut -d" " -f2 | \
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tr -d "()")
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fi
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if [ -n "$BRIDGE_INTERFACE" ] && [ -n "$NUMBER" ]; then
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COUNT=$(brctl showmacs $BRIDGE_INTERFACE 2> /dev/null | grep -v yes | cut -f1 | grep "$NUMBER" | wc -l)
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COUNT=$(brctl showmacs "^$BRIDGE_INTERFACE " 2> /dev/null | \
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grep -o "^[[:space:]]*$NUMBER[[:space:]]\+\([0-9a-f]\{2\}:\?\)\+[[:space:]]\+no[[:space:]]\+[0-9]\+" | \
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tr "\t" " " | \
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tr -s " " | \
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cut -d" " -f5 | \
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awk -vlimit=$CLIENT_AGE_MAX '$1<=limit{print $1}' | \
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wc -l)
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fi
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echo $COUNT
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}
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count_neighbours() {
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local COUNT=0
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#FIXME: this counts all nodes that accessable via the WLAN mesh interface
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if [ -n "$BATMAN_INTERFACE" ] && [ -n "$WLAN_MESH_INTERFACE" ]; then
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COUNT=$(tail -n +3 /sys/kernel/debug/batman_adv/$BATMAN_INTERFACE/originators | grep "$WLAN_MESH_INTERFACE" | wc -l)
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fi
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echo $COUNT
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count_originators "$WLAN_MESH_INTERFACE"
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}
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scan_wlan() {
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#FIXME: if you can; is there an easier way to get the current frequency?
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#FIXME: this should reanimate the wlan driver; do passive and active scanning the job equally well?
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local FREQUENCY=$(iwlist $WLAN_MESH_INTERFACE frequency 2> /dev/null | grep -o "Current Frequency=[0-9.]\+ GHz" | grep -o "[0-9.]*" | tr -d ".")
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local FREQUENCY=$(iwlist $WLAN_MESH_INTERFACE frequency 2> /dev/null | \
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grep -o "Current Frequency=[0-9.]\+ GHz" | \
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grep -o "[0-9.]*" | \
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tr -d ".")
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[ -n "$FREQUENCY" ] && iw $WLAN_MESH_INTERFACE scan freq $FREQUENCY passive 1> /dev/null 2> /dev/null
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}
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