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