<?php


function bitmask()
{
    $cores = intval(shell_exec("/usr/bin/grep -c ^processor /proc/cpuinfo"));
    $half_cores = ceil($cores / 2);
    $bitmask = 0;
    for ($i = 0; $i < $half_cores; $i++) {
        $bitmask |= (1 << $i);
    }
    return $bitmask;
}


function netinter()
{
    $interface = trim(shell_exec("/usr/bin/ip route get 1 | grep -Po '(?<=dev )(\S+)'"));
    return $interface;
}


function insertnet()
{
    $netface = netinter();
    $checknet = trim(shell_exec("/usr/bin/cat /sys/class/net/$netface/queues/rx-0/rps_cpus"));
    $bit = bitmask();
    if (str_contains($checknet, $bit)) {
        deletecone("netsta");
        shell_exec("/usr/bin/echo \"0\" > /sys/class/net/$netface/queues/rx-0/rps_cpus");
        echo "Balanceamento Desativado! \n";
    } else {
        deletecone("netsta");
        incone("netsta", "null", "null", "null", "null");
        shell_exec("/usr/bin/echo \"$bit\" > /sys/class/net/$netface/queues/rx-0/rps_cpus");
        echo "Balanceamento ativado! \n";
    }
}


function checknet()
{
    $netface = netinter();
    $checknet = trim(shell_exec("/usr/bin/cat /sys/class/net/$netface/queues/rx-0/rps_cpus"));
    $bit = bitmask();
    if (str_contains($checknet, $bit)) {
        echo "ON";
    } else {
        echo "OFF";
    }
}