Run sanity_check sensors as children and pre-kill all existing

[khatus.git] / x4 / sanity_check

#! /bin/sh

set -e

. ./bin/khatus_x4_lib_common_sensor.sh

dir="${prefix}/${host}"

kill_all() {
    for pid_file in $(find $dir -type f -name pid)
    do
        kill -9 $(cat $pid_file) || true
        rm $pid_file
    done
    pkill khatus_x4
}

read_sensor() {
    if test -f "$1"
    then
        cat "$1"
    else
        printf '%s\n' '--'
    fi
}

kill_all

./bin/khatus_x4_sensor_datetime &
./bin/khatus_x4_sensor_mpd      &
./bin/khatus_x4_sensor_energy   &

while :
do
    battery_state="$(read_sensor ${dir}/khatus_x4_sensor_energy/out/battery_state)"
    battery_percentage="$(read_sensor ${dir}/khatus_x4_sensor_energy/out/battery_percentage)"
    datetime="$(read_sensor ${dir}/khatus_x4_sensor_datetime/out/datetime)"
    mpd="$(read_sensor ${dir}/khatus_x4_sensor_mpd/out/status)"
    echo "E[${battery_state} ${battery_percentage}] [${mpd}] ${datetime}"
    sleep 1
done