45 行
663 B
Bash
実行ファイル
45 行
663 B
Bash
実行ファイル
#!/bin/env bash
|
|
|
|
switch_state=0
|
|
|
|
function check_fn {
|
|
type $1 &> /dev/null || {
|
|
echo "$1 is undefined"
|
|
exit 1
|
|
}
|
|
}
|
|
|
|
source ~/.etherswitch
|
|
|
|
if [ -z "$device" ]
|
|
then
|
|
echo "device is not set"
|
|
exit 1
|
|
fi
|
|
|
|
# check if $device is a network device
|
|
ip link show $device > /dev/null
|
|
if [ $? -eq 1 ]; then exit 1; fi
|
|
|
|
check_fn "on_switch_close"
|
|
check_fn "on_switch_open"
|
|
|
|
while :
|
|
do
|
|
ip link show $device | grep -q "LOWER_UP"
|
|
if [ $? -eq 1 ]
|
|
then
|
|
if [ $switch_state -eq 1 ]
|
|
then
|
|
switch_state=0
|
|
on_switch_open
|
|
fi
|
|
else
|
|
if [ $switch_state -eq 0 ]
|
|
then
|
|
switch_state=1
|
|
on_switch_close
|
|
fi
|
|
fi
|
|
sleep 0.3
|
|
done
|