# vim: ft=sh

function nginx () {

    nc -zw2 127.0.0.1 80 || echo "injoignable sur port 80 local"

    nc -zw2 sebmarque.hd.free.fr 80 || echo "injoignable sur port 80 distant"

    nc -zw2 sebmarque.hd.free.fr 443 || echo "injoignable sur port 443 distant"

}

function searx () {

    nc -zw2 127.0.0.1 8888 || echo "injoignable sur port 8888"

}

function gitprep () {

    nc -zw2 127.0.0.1 10020 || echo "injoignable sur port 10020"

}

function cherrymusic () {

    nc -zw2 127.0.0.1 8080 || echo "injoignable sur port 8080"

}

function core_temp () {

    local min=60

    local level=("warning" "severe" "danger!")

    local step=$(( $(</sys/class/thermal/thermal_zone0/temp) - (min * 1000) ))

    if test $step -gt 0; then

        step=$((step / 10000))

        test $step -le 3 || step=2

        echo "${level[step]}: température > $((min + step * 10))°"

    fi

}

function core_alim () {

    eval $(/opt/vc/bin/vcgencmd measure_volts core)

    test $volt == "1.2000V" || echo "$volt"

}

function load_avg () {

    local procs=4

    local load=($(</proc/loadavg))

    local avg=(1 5 15)

    for ((i=0; i<${#avg[@]}; i++)); do

        test ${load[i]%.*} -ge $procs && echo "charge moyenne à ${avg[i]}min = ${load[i]}"

    done

}

function mem_pressure () {

    local meminfo=($(</proc/meminfo))

    local level=(danger severe warning)

    local margin=30000

    for ((i=0; i<${#meminfo[@]}; i+=3)); do

        test ${meminfo[i]} == 'MemAvailable:' && break

    done

    meminfo[i+2]=$(( ( ${meminfo[i+1]} - $margin ) / 100000 ))

    test ${meminfo[i+2]} -ge ${#range[@]} || echo "${level[${meminfo[i+2]}]}: available ${meminfo[i+1]}kB"

}

function mpd_tablette () {

    local tablette=192.168.0.53

    local port=6600

    local nfs=$(ss -no state established 'sport = :nfs' dst $tablette | grep -c $)

    test $nfs -lt 3 && echo "tablette non connectée à la zique"

    nc -zw2 $tablette $port || echo "MPD injoignable"

}