wifi/files/all/usr/bin/wifi-sentinel.sh

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2019-10-28 17:18:40 +02:00
#!/bin/sh
. /lib/functions/network.sh
PACKETS='3'
INTERVAL='10'
STATUS='unknown'
NETWORK='management'
PORT='1'
lightsoff()
{
if [ "$STATUS" != 'down' ]; then
/usr/bin/logger -t wifi-sentinel -p daemon.alert Shutting down wireless interfaces due to lack of connectivity to the gateway.
/sbin/wifi down
STATUS='down'
fi
}
lightson()
{
if [ "$STATUS" != 'up' ]; then
/usr/bin/logger -t wifi-sentinel -p daemon.notice Bringing up wireless interfaces. Gateway connectivity restored.
/sbin/wifi up
STATUS='up'
fi
}
port_check()
{
LINK=`swconfig dev switch0 port 1 show | awk '/link/ {print $3}'`
if [ "$LINK" = 'link:up' ]; then
return 0
else
return 1
fi
}
ping_check()
{
local target
network_get_gateway target $NETWORK
RET=`ping -c $PACKETS $target 2> /dev/null | awk '/packets received/ {print $4}'`
if [ "$RET" -eq "$PACKETS" ]; then
return 0
else
return 1
fi
}
/usr/bin/logger -t wifi-sentinel -p daemon.info "Starting Wi-Fi Sentinel on the $NETWORK network with $PACKETS checks every $INTERVAL seconds."
while true ; do
if port_check && ping_check; then
lightson
else
lightsoff
fi
sleep $INTERVAL
done