set -e
+consume() {
+ pipe="$1"
+ debug="$2"
+ bin="$3"
+ prefixes_of_net_interfaces_to_show="$4"
+ tail -f "$pipe" \
+ | stdbuf -o L "$bin"/khatus_controller \
+ -v opt_debug="$debug" \
+ -v opt_mpd_song_max_chars=10 \
+ -v opt_prefixes_of_net_interfaces_to_show="$prefixes_of_net_interfaces_to_show"
+}
+
run_producer() {
- bin="$1"
- cmd="$2"
- msg_head="$3"
- "$bin"/$cmd \
+ pipe="$1"
+ bin="$2"
+ cmd="$3"
+ msg_head="$4"
+ perf_log="$5"
+
+ if [ ! "$perf_log" = '' ]
+ then
+ # %S system time in seconds
+ # %U user time in seconds
+ # %e elapsed time in seconds
+ # %c context switches involuntary
+ # %w context switches voluntary
+ # %x exit code
+ time_fmt='%S %U %e %c %w %x'
+ time="/usr/bin/time -ao ${perf_log} -f "
+ time_sep=' '
+ else
+ time_fmt=''
+ time=''
+ time_sep=''
+ fi
+
+ ${time}"${time_fmt}"${time_sep}$bin/$cmd \
2> >(
while read line
do
- echo "ERROR ${msg_head} $line"
+ echo "ERROR ${msg_head} $line" > "$pipe"
done \
) \
| while read line
do
- echo "OK ${msg_head} $line"
+ echo "OK ${msg_head} $line" > "$pipe"
done
}
-fork_reactor() {
+fork_watcher() {
run_producer "$@" &
}
fork_poller() {
interval="$1"
- shift
+ perf_log_dir="$2"
+ shift 2
+
+ if [ ! "$perf_log_dir" = '' ]
+ then
+ cmd="$3"
+ perf_log_file=$(basename "$(echo $cmd | awk '{print $1; exit}')").log
+ mkdir -p "$perf_log_dir"
+ perf_log_path="$perf_log_dir/$perf_log_file"
+ fi
+
while :
do
- run_producer "$@"
+ run_producer "$@" "$perf_log_path"
sleep "$interval"
done &
}
declare -A opts=(
["--debug"]=0
["--dir_bin"]="$HOME/bin"
+ ["--dir_perf_logs"]=''
+ ["--file_pipe"]=$(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 [ "${opts['--wifi_interface']}" = '' ]
+ then
+ echo 'Please provide the required parameter: --wifi_interface' >&2
+ exit 1
+ fi
+
(
echo '=============================================='
echo "Khatus starting with the following parameters:"
screen_brightness_device_path+="/${opts['--screen_brightness_device_name']}"
# Just shorthand
+ pipe="${opts['--file_pipe']}"
bin="${opts['--dir_bin']}"
+ perf="${opts['--dir_perf_logs']}"
+
+ rm -f "$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 ${opts['--wifi_interface']}"
- (
- fork_reactor "$bin" "khatus_sensor_energy $bin" 'in:ENERGY'
- fork_poller "${opts['--interval_inp_datetime']}" "$bin" khatus_sensor_datetime 'in:DATE_TIME'
- fork_poller "${opts['--interval_inp_brightness']}" "$bin" "$cmd_sens_screen_brightness" 'in:SCREEN_BRIGHTNESS'
- fork_poller "${opts['--interval_inp_weather']}" "$bin" "$cmd_sens_weather" 'in:WEATHER'
- fork_poller "${opts['--interval_inp_mpd_state']}" "$bin" "$cmd_sens_mpd_state" 'in:MPD_STATE'
- fork_poller "${opts['--interval_inp_mpd_song']}" "$bin" khatus_sensor_mpd_song 'in:MPD_SONG'
- fork_poller "${opts['--interval_inp_volume']}" "$bin" "$cmd_sens_volume" 'in:VOLUME'
- fork_poller "${opts['--interval_inp_bluetooth']}" "$bin" "$cmd_sens_bluetooth" 'in:BLUETOOTH_POWER'
- fork_poller "${opts['--interval_inp_net_wifi']}" "$bin" khatus_sensor_net_wifi_status 'in:NET_WIFI_STATUS'
- fork_poller "${opts['--interval_inp_net_io']}" "$bin" "$cmd_sens_net_addr_io" 'in:NET_ADDR_IO'
- fork_poller "${opts['--interval_inp_disk_space']}" "$bin" "$cmd_sens_disk_space" 'in:DISK_SPACE'
- fork_poller "${opts['--interval_inp_disk_io']}" "$bin" "$cmd_sens_disk_io" 'in:DISK_IO'
- fork_poller "${opts['--interval_inp_loadavg']}" "$bin" khatus_sensor_loadavg 'in:LOAD_AVG'
- fork_poller "${opts['--interval_inp_temp']}" "$bin" "$cmd_sens_temperature" 'in:TEMPERATURE'
- fork_poller "${opts['--interval_inp_fan']}" "$bin" "$cmd_sens_fan" 'in:FAN'
- fork_poller "${opts['--interval_inp_mem']}" "$bin" khatus_sensor_memory 'in:MEMORY'
- ) \
- | "$bin"/khatus_controller \
- -v opt_debug="${opts['--debug']}" \
- -v opt_mpd_song_max_chars=10 \
- -v opt_prefixes_of_net_interfaces_to_show="${opts['--prefixes_of_net_interfaces_to_show']}"
+ fork_watcher "$pipe" "$bin" "khatus_sensor_energy $bin" 'in:ENERGY'
+ fork_poller "${opts['--interval_inp_datetime']}" "$perf" "$pipe" "$bin" khatus_sensor_datetime 'in:DATE_TIME'
+ fork_poller "${opts['--interval_inp_brightness']}" "$perf" "$pipe" "$bin" "$cmd_sens_screen_brightness" 'in:SCREEN_BRIGHTNESS'
+ fork_poller "${opts['--interval_inp_weather']}" "$perf" "$pipe" "$bin" "$cmd_sens_weather" 'in:WEATHER'
+ fork_poller "${opts['--interval_inp_mpd_state']}" "$perf" "$pipe" "$bin" "$cmd_sens_mpd_state" 'in:MPD_STATE'
+ fork_poller "${opts['--interval_inp_mpd_song']}" "$perf" "$pipe" "$bin" khatus_sensor_mpd_song 'in:MPD_SONG'
+ fork_poller "${opts['--interval_inp_volume']}" "$perf" "$pipe" "$bin" "$cmd_sens_volume" 'in:VOLUME'
+ fork_poller "${opts['--interval_inp_bluetooth']}" "$perf" "$pipe" "$bin" "$cmd_sens_bluetooth" 'in:BLUETOOTH_POWER'
+ fork_poller "${opts['--interval_inp_net_wifi']}" "$perf" "$pipe" "$bin" "$cmd_sens_wifi" 'in:NET_WIFI_STATUS'
+ fork_poller "${opts['--interval_inp_net_io']}" "$perf" "$pipe" "$bin" "$cmd_sens_net_addr_io" 'in:NET_ADDR_IO'
+ fork_poller "${opts['--interval_inp_disk_space']}" "$perf" "$pipe" "$bin" "$cmd_sens_disk_space" 'in:DISK_SPACE'
+ fork_poller "${opts['--interval_inp_disk_io']}" "$perf" "$pipe" "$bin" "$cmd_sens_disk_io" 'in:DISK_IO'
+ fork_poller "${opts['--interval_inp_loadavg']}" "$perf" "$pipe" "$bin" khatus_sensor_loadavg 'in:LOAD_AVG'
+ fork_poller "${opts['--interval_inp_temp']}" "$perf" "$pipe" "$bin" "$cmd_sens_temperature" 'in:TEMPERATURE'
+ fork_poller "${opts['--interval_inp_fan']}" "$perf" "$pipe" "$bin" "$cmd_sens_fan" 'in:FAN'
+ fork_poller "${opts['--interval_inp_mem']}" "$perf" "$pipe" "$bin" khatus_sensor_memory 'in:MEMORY'
+
+ consume \
+ "$pipe" \
+ "${opts['--debug']}" \
+ "$bin" \
+ "${opts['--prefixes_of_net_interfaces_to_show']}"
}
main $@