run_producer() {
pipe="$1"
bin="$2"
- log="$3"
- cmd="$4"
- msg_head="$5"
- "$bin"/$cmd | while read line; do
- echo "${msg_head} $line" > "$pipe"
- done \
- 2> "$log"
- # TODO: Perhaps direct log to pipe, so that controller can monitor sensors?
+ cmd="$3"
+ msg_head="$4"
+ "$bin"/$cmd \
+ 2> >(
+ while read line
+ do
+ echo "ERROR ${msg_head} $line" > "$pipe"
+ done \
+ ) \
+ | while read line
+ do
+ echo "OK ${msg_head} $line" > "$pipe"
+ done
}
-fork_reactor() {
+fork_watcher() {
run_producer "$@" &
}
fork_poller() {
interval="$1"
shift
- while true
+ while :
do
run_producer "$@"
sleep "$interval"
declare -A opts=(
["--debug"]=0
["--dir_bin"]="$HOME/bin"
- ["--dir_logs"]=$(mktemp -d)
["--file_pipe"]=$(mktemp)
["--weather_station_id"]='KJFK'
["--screen_brightness_device_name"]='acpi_video0'
["--prefixes_of_net_interfaces_to_show"]='w' # comma-separated
+ ["--wifi_interface"]=''
["--disk_space_device"]='/'
["--disk_io_device"]='sda'
["--thermal_zone"]=0
esac
done
+ if [ "${opts['--wifi_interface']}" = '' ]
+ then
+ echo 'Please provide the required parameter: --wifi_interface' >&2
+ exit 1
+ fi
+
(
echo '=============================================='
echo "Khatus starting with the following parameters:"
# Just shorthand
pipe="${opts['--file_pipe']}"
bin="${opts['--dir_bin']}"
- log="${opts['--dir_logs']}"/khatus_sensors.log
rm -f "$pipe"
mkfifo "$pipe"
cmd_sens_screen_brightness='khatus_sensor_screen_brightness'
cmd_sens_screen_brightness+=" $screen_brightness_device_path"
- cmd_sens_weather="khatus_sensor_weather ${opts['--weather_station_id']}"
+ cmd_sens_weather="khatus_sensor_weather $bin ${opts['--weather_station_id']}"
cmd_sens_disk_space="khatus_sensor_disk_space ${opts['--disk_space_device']}"
cmd_sens_disk_io="khatus_sensor_disk_io ${opts['--disk_io_device']}"
cmd_sens_temperature="khatus_sensor_temperature ${opts['--thermal_zone']}"
cmd_sens_mpd_state="khatus_sensor_mpd_state $bin"
cmd_sens_net_addr_io="khatus_sensor_net_addr_io $bin"
cmd_sens_volume="khatus_sensor_volume $bin"
+ cmd_sens_wifi="khatus_sensor_net_wifi_status $bin ${opts['--wifi_interface']}"
- # TODO: Redirect each worker's stderr to a dedicated log file
- fork_reactor "$pipe" "$bin" "$log" "khatus_sensor_energy $bin" 'in:ENERGY'
- fork_poller "${opts['--interval_inp_datetime']}" "$pipe" "$bin" "$log" khatus_sensor_datetime 'in:DATE_TIME'
- fork_poller "${opts['--interval_inp_brightness']}" "$pipe" "$bin" "$log" "$cmd_sens_screen_brightness" 'in:SCREEN_BRIGHTNESS'
- fork_poller "${opts['--interval_inp_weather']}" "$pipe" "$bin" "$log" "$cmd_sens_weather" 'in:WEATHER'
- fork_poller "${opts['--interval_inp_mpd_state']}" "$pipe" "$bin" "$log" "$cmd_sens_mpd_state" 'in:MPD_STATE'
- fork_poller "${opts['--interval_inp_mpd_song']}" "$pipe" "$bin" "$log" khatus_sensor_mpd_song 'in:MPD_SONG'
- fork_poller "${opts['--interval_inp_volume']}" "$pipe" "$bin" "$log" "$cmd_sens_volume" 'in:VOLUME'
- fork_poller "${opts['--interval_inp_bluetooth']}" "$pipe" "$bin" "$log" "$cmd_sens_bluetooth" 'in:BLUETOOTH_POWER'
- fork_poller "${opts['--interval_inp_net_wifi']}" "$pipe" "$bin" "$log" khatus_sensor_net_wifi_status 'in:NET_WIFI_STATUS'
- fork_poller "${opts['--interval_inp_net_io']}" "$pipe" "$bin" "$log" "$cmd_sens_net_addr_io" 'in:NET_ADDR_IO'
- fork_poller "${opts['--interval_inp_disk_space']}" "$pipe" "$bin" "$log" "$cmd_sens_disk_space" 'in:DISK_SPACE'
- fork_poller "${opts['--interval_inp_disk_io']}" "$pipe" "$bin" "$log" "$cmd_sens_disk_io" 'in:DISK_IO'
- fork_poller "${opts['--interval_inp_loadavg']}" "$pipe" "$bin" "$log" khatus_sensor_loadavg 'in:LOAD_AVG'
- fork_poller "${opts['--interval_inp_temp']}" "$pipe" "$bin" "$log" "$cmd_sens_temperature" 'in:TEMPERATURE'
- fork_poller "${opts['--interval_inp_fan']}" "$pipe" "$bin" "$log" "$cmd_sens_fan" 'in:FAN'
- fork_poller "${opts['--interval_inp_mem']}" "$pipe" "$bin" "$log" khatus_sensor_memory 'in:MEMORY'
+ fork_watcher "$pipe" "$bin" "khatus_sensor_energy $bin" 'in:ENERGY'
+ fork_poller "${opts['--interval_inp_datetime']}" "$pipe" "$bin" khatus_sensor_datetime 'in:DATE_TIME'
+ fork_poller "${opts['--interval_inp_brightness']}" "$pipe" "$bin" "$cmd_sens_screen_brightness" 'in:SCREEN_BRIGHTNESS'
+ fork_poller "${opts['--interval_inp_weather']}" "$pipe" "$bin" "$cmd_sens_weather" 'in:WEATHER'
+ fork_poller "${opts['--interval_inp_mpd_state']}" "$pipe" "$bin" "$cmd_sens_mpd_state" 'in:MPD_STATE'
+ fork_poller "${opts['--interval_inp_mpd_song']}" "$pipe" "$bin" khatus_sensor_mpd_song 'in:MPD_SONG'
+ fork_poller "${opts['--interval_inp_volume']}" "$pipe" "$bin" "$cmd_sens_volume" 'in:VOLUME'
+ fork_poller "${opts['--interval_inp_bluetooth']}" "$pipe" "$bin" "$cmd_sens_bluetooth" 'in:BLUETOOTH_POWER'
+ fork_poller "${opts['--interval_inp_net_wifi']}" "$pipe" "$bin" "$cmd_sens_wifi" 'in:NET_WIFI_STATUS'
+ fork_poller "${opts['--interval_inp_net_io']}" "$pipe" "$bin" "$cmd_sens_net_addr_io" 'in:NET_ADDR_IO'
+ fork_poller "${opts['--interval_inp_disk_space']}" "$pipe" "$bin" "$cmd_sens_disk_space" 'in:DISK_SPACE'
+ fork_poller "${opts['--interval_inp_disk_io']}" "$pipe" "$bin" "$cmd_sens_disk_io" 'in:DISK_IO'
+ fork_poller "${opts['--interval_inp_loadavg']}" "$pipe" "$bin" khatus_sensor_loadavg 'in:LOAD_AVG'
+ fork_poller "${opts['--interval_inp_temp']}" "$pipe" "$bin" "$cmd_sens_temperature" 'in:TEMPERATURE'
+ fork_poller "${opts['--interval_inp_fan']}" "$pipe" "$bin" "$cmd_sens_fan" 'in:FAN'
+ fork_poller "${opts['--interval_inp_mem']}" "$pipe" "$bin" khatus_sensor_memory 'in:MEMORY'
consume \
"$pipe" \