Inital Commit

root/usr/sbin/ugreen-led-netdev

@@ -0,0 +1,87 @@
+#!/usr/bin/bash
+
+
+###
+#
+# Options Section
+#
+###
+
+set -e
+set -u
+set -o pipefail
+
+
+###
+#
+# Variables Section
+#
+###
+
+if [[ -f '/etc/ugreen-nas.conf' ]]; then
+  source '/etc/ugreen-nas.conf'
+fi
+
+NET_DEVICE="${1}"
+NET_SPEED_MIN=${NET_SPEED_MIN:='0'}
+NET_SPEED_MAX=${NET_SPEED_MAX:='10000'}
+NET_LED_COLOR_SPEED_MIN=${NET_LED_COLOR_SPEED_MIN:='255 0 0'}
+NET_LED_COLOR_SPEED_MAX=${NET_LED_COLOR_SPEED_MAX:='0 255 0'}
+
+
+###
+#
+# Function Section
+#
+###
+
+function load_module () {
+  local MODULE
+  MODULE="${1}"
+  if ! /usr/sbin/lsmod | /usr/bin/grep --quiet "${MODULE}"; then
+    /usr/sbin/modprobe "${MODULE}"
+  fi
+}
+
+function set_net_led_color () {
+  local IFS
+  NET_SPEED=$(/usr/bin/cat "/sys/class/net/${NET_DEVICE}/speed")
+  NET_SPEED_PERCENTAGE=$(/usr/bin/bc --mathlib <<< "(${NET_SPEED} - ${NET_SPEED_MIN}) / (${NET_SPEED_MAX} - ${NET_SPEED_MIN})")
+  IFS=' '
+  read -r RGB_RED_MIN RGB_GREEN_MIN RGB_BLUE_MIN <<< "${NET_LED_COLOR_SPEED_MIN}"
+  read -r RGB_RED_MAX RGB_GREEN_MAX RGB_BLUE_MAX <<< "${NET_LED_COLOR_SPEED_MAX}"
+  RGB_RED=$(/usr/bin/bc --mathlib <<< "scale=0; ${RGB_RED_MIN} + ${NET_SPEED_PERCENTAGE} * (${RGB_RED_MAX} - ${RGB_RED_MIN})/1")
+  RGB_GREEN=$(/usr/bin/bc --mathlib <<< "scale=0; ${RGB_GREEN_MIN} + ${NET_SPEED_PERCENTAGE} * (${RGB_GREEN_MAX} - ${RGB_GREEN_MIN})/1")
+  RGB_BLUE=$(/usr/bin/bc --mathlib <<< "scale=0; ${RGB_BLUE_MIN} + ${NET_SPEED_PERCENTAGE} * (${RGB_BLUE_MAX} - ${RGB_BLUE_MIN})/1")
+  /usr/bin/echo "${RGB_RED} ${RGB_GREEN} ${RGB_BLUE}" > '/sys/class/leds/netdev/color'
+}
+
+
+###
+#
+# Runtime Environment
+#
+###
+
+load_module 'ledtrig_netdev'
+
+/usr/bin/echo 'netdev' > '/sys/class/leds/netdev/trigger'
+/usr/bin/echo "${NET_DEVICE}" > '/sys/class/leds/netdev/device_name'
+/usr/bin/echo '1' > '/sys/class/leds/netdev/link'
+if [[ "${NET_LED_TX_RX}" == 'true' ]]; then
+  /usr/bin/echo '1' > '/sys/class/leds/netdev/tx'
+  /usr/bin/echo '1' > '/sys/class/leds/netdev/rx'
+fi
+/usr/bin/echo '250' > '/sys/class/leds/netdev/interval'
+/usr/bin/echo '255 255 255' > '/sys/class/leds/netdev/color'
+/usr/bin/echo "${NET_LED_BRIGHTNESS}" > '/sys/class/leds/netdev/brightness'
+
+while true; do
+  GATEWAY=$(/usr/bin/ip route | /usr/bin/mawk '/default/ { print $3 }')
+  if /usr/bin/ping -q -c '1' -W '1' "${GATEWAY}" &> '/dev/null'; then
+    set_net_led_color
+  else
+    /usr/bin/echo '255 0 0' > '/sys/class/leds/netdev/color'
+  fi
+  /usr/bin/sleep '1m'
+done