59 lines
1.3 KiB
Bash
Executable file
59 lines
1.3 KiB
Bash
Executable file
#!/bin/dash
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print_state() {
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case "$1" in
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eth*)
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echo ethernet
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;;
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wlan*)
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echo wireless
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;;
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usb*)
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echo tethering
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;;
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*)
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echo disconnected
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;;
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esac
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}
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wifi_strength() {
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if [ "$1" -le -80 ]; then echo terrible
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elif [ "$1" -le -70 ]; then echo bad
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elif [ "$1" -le -60 ]; then echo mediocre
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elif [ "$1" -le -40 ]; then echo good
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else echo excellent
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fi
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}
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print_infos() {
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if [ -n "$1" ]; then
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route_line=$(ip route show dev "$1" | awk '($1 == "default") { print }')
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printf ',"ip":{"local":"%s","gateway":"%s"}' \
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"$(echo "$route_line" | awk '{ print $7 }')" \
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"$(echo "$route_line" | awk '{ print $3 }')"
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if [ "$state" = wireless ]; then
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signal=$(iw dev "$1" link | awk '($1 == "signal:") { print $2}')
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printf ',"wifi":{"signal":"%s","ssid":"%s"}' \
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"$(wifi_strength "$signal")" \
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"$(iw dev wlan0 info | grep '^\s*ssid ' | xargs | cut -d \ -f 2-)"
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fi
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fi
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}
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print_network_status() {
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device=$(ip route | awk '($1 == "default") { print $5 }')
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state=$(print_state "$device")
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printf '{"state":"%s"%s}\n' \
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"$state" \
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"$(print_infos "$device")"
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}
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print_network_status
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tail -f -n 0 /run/dhcpcd/log /var/log/iwd/current | \
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while read -r _unused; do
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print_network_status
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done
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