MacBook 有线网络和无线网络自动切换

1
com.mine.toggleairport.plist

1
<?xml version="1.0" encoding="UTF-8"?>
2
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3
<plist version="1.0">
4
  <dict>
5
    <key>Label</key>
6
    <string>com.asb.toggleairport</string>
7
    <key>OnDemand</key>
8
    <true/>
9
    <key>ProgramArguments</key>
10
    <array>
11
      <string>/Library/Scripts/toggleAirport.sh</string>
12
    </array>
13
    <key>WatchPaths</key>
14
    <array>
15
      <string>/Library/Preferences/SystemConfiguration</string>
16
    </array>
17
  </dict>
18
</plist>

1
#!/bin/bash
2

3
function set_airport {
4

5
    new_status=$1
6

7
    if [ $new_status = "On" ]; then
8
        /usr/sbin/networksetup -setairportpower $air_name on
9
        touch /var/tmp/prev_air_on
10
    else
11
        /usr/sbin/networksetup -setairportpower $air_name off
12
        if [ -f "/var/tmp/prev_air_on" ]; then
13
            rm /var/tmp/prev_air_on
14
        fi
15
    fi
16

17
}
18

19
function growl {
20

21
    # Checks whether Growl is installed
22
    if [ -f "/usr/local/bin/growlnotify" ]; then
23
        /usr/local/bin/growlnotify -m "$1" -a "AirPort Utility.app"
24
    else
25
        osascript -e "display notification \"$1\" with title \"Wifi Toggle\" sound name \"Hero\""
26
    fi
27

28
}
29

30
# Set default values
31
prev_eth_status="Off"
32
prev_air_status="Off"
33
eth_status="Off"
34

35
# Grab the names of the adapters. We assume here that any ethernet connection name ends in "Ethernet"
36
eth_names=`networksetup -listnetworkserviceorder | sed -En 's/^\(Hardware Port: (.*Ethernet|USB 10.*), Device: (en.)\)$/\2/p'`
37
air_name=`networksetup -listnetworkserviceorder | sed -En 's/^\(Hardware Port: (Wi-Fi|AirPort), Device: (en.)\)$/\2/p'`
38

39
# Determine previous ethernet status
40
# If file prev_eth_on exists, ethernet was active last time we checked
41
if [ -f "/var/tmp/prev_eth_on" ]; then
42
    prev_eth_status="On"
43
fi
44

45
# Determine same for AirPort status
46
# File is prev_air_on
47
if [ -f "/var/tmp/prev_air_on" ]; then
48
    prev_air_status="On"
49
fi
50

51
# Check actual current ethernet status
52
for eth_name in ${eth_names}; do
53
    if ([ "$eth_name" != "" ] && [ "`ifconfig $eth_name | grep "status: active"`" != "" ]); then
54
        eth_status="On"
55
    fi
56
done
57

58
# And actual current AirPort status
59
air_status=`/usr/sbin/networksetup -getairportpower $air_name | awk '{ print $4 }'`
60

61
# If any change has occured. Run external script (if it exists)
62
if [ "$prev_air_status" != "$air_status" ] || [ "$prev_eth_status" != "$eth_status" ]; then
63
    if [ -f "./statusChanged.sh" ]; then
64
        "./statusChanged.sh" "$eth_status" "$air_status" &
65
    fi
66
fi
67

68
# Determine whether ethernet status changed
69
if [ "$prev_eth_status" != "$eth_status" ]; then
70

71
    if [ "$eth_status" = "On" ]; then
72
        set_airport "Off"
73
        growl "Wired network detected. Turning AirPort off."
74
    else
75
        set_airport "On"
76
        growl "No wired network detected. Turning AirPort on."
77
    fi
78

79
# If ethernet did not change
80
else
81

82
    # Check whether AirPort status changed
83
    # If so it was done manually by user
84
    if [ "$prev_air_status" != "$air_status" ]; then
85
    set_airport $air_status
86

87
    if [ "$air_status" = "On" ]; then
88
        growl "AirPort manually turned on."
89
    else
90
        growl "AirPort manually turned off."
91
    fi
92

93
    fi
94

95
fi
96

97
# Update ethernet status
98
if [ "$eth_status" == "On" ]; then
99
    touch /var/tmp/prev_eth_on
100
else
101
    if [ -f "/var/tmp/prev_eth_on" ]; then
102
        rm /var/tmp/prev_eth_on
103
    fi
104
fi
105

106
exit 0