Laravel console command for automated control over TP-Link HS100. Automatically turn on my plugged in fan if temps get over 55 C.

FanController.php

<?php

namespace App\Console\Commands;

use Illuminate\Console\Command;
use Symfony\Component\Process\Process;

class FanController extends Command
{

    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'temps:monitor';

    /**
     * Command description..
     *
     * @var string
     */
    protected $description = 'Monitor TPLink HS100 to control fan if CPU temps are too high using lm_sensors.';

    /**
     * Create a new command instance.
     *
     * @return void
     */
    public function __construct()
    {
        parent::__construct();
    }
    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        $this->checkTemps();
    }

    private function checkTemps()
    {
        $curr = $this->getTemps();

        foreach ($curr['Temps'] as $index => $temps) {
            if ($temps[$index] >= 55) {
                $this->info('Temp ' . $temps[$index] . ' detected! Too hot! Turning on fan...');
                $this->sendSmartCmd('on');
            } else {
                $fanStatus = $this->sendSmartCmd('')->system->get_sysinfo->relay_state;
                if ($fanStatus == 0) {
                    $this->info('Fan already off.');
                    return;
                }
                $this->info('Temp ' . $temps[$index] . ' detected. Cool enough, turning off fan...');
                $this->sendSmartCmd('off');
            }
        }
    }

    private function getTemps()
    {
        $arrOut = [];
        $process = new Process('sensors');
        $process->run();
        if (!$process->isSuccessful()) {
            return 'fail';
        }
        $sensors_out = str_replace('°', ' ', $process->getOutput());

        preg_match_all("/Core\s(?<Core>\N):\s+\+(?<Current>\N+)\s(?<Format>\w)\s+\(high\s=\s\+(?<Warn>\N+)\s\w,\scrit\s=\s\+(?<Crit>\N{5})\s\w/", $sensors_out, $matches);

        for ($i = 0; $i < count($matches['Core']); $i++) {
            $arrOut[$i] = [$i => $matches['Current'][$i]];
        }

        return (['Warn' => $matches['Warn'][0],
            'Crit' => $matches['Crit'][0],
            'Temps' => $arrOut,
        ]);
    }

    //https://github.com/Ramboss/TP-Link_HS100 < credit.
    private function sendSmartCmd($command)
    {
        $host = '10.0.0.47';
        $port = 9999;

        switch ($command) {
            case 'on':{
                    $command = '{"system":{"set_relay_state":{"state": 1}}}';
                    break;}
            case 'off':{
                    $command = '{"system":{"set_relay_state":{"state": 0}}}';
                    break;}
            case 'cloudinfo':{
                    $command = '{"cnCloud":{"get_info":{}}}';
                    break;}
            case 'sysinfo':{
                    $command = '{"system":{"get_sysinfo":{}}}';
                    break;}
            case 'wlanscan':{
                    $command = '{"netif":{"get_scaninfo":{"refresh":0}}}';
                    break;}
            case 'time':{
                    $command = '{"time":{"get_time":{}}}';
                    break;}
            case 'schedule':{
                    $command = '{"schedule":{"get_rules":{}}}';
                    break;}
            case 'macaddress':{
                    $command = '{"system":{"get_sysinfo":{}}}';
                    break;}
            case 'countdown':{
                    $command = '{"count_down":{"get_rules":{}}}';
                    break;}
            case 'antitheft':{
                    $command = '{"anti_theft":{"get_rules":{}}}';
                    break;}
            case 'reboot':{
                    $command = '{"system":{"reboot":{"delay":1}}}';
                    break;}
            case 'reset':{
                    $command = '{"system":{"reset":{"delay":1}}}';
                    break;}
            case 'nightModeOn':{
                    $command = '{"system":{"set_led_off":{"off":1}}}';
                    break;}
            case 'nightModeOff':{
                    $command = '{"system":{"set_led_off":{"off":0}}}';
                    break;}
            case 'realtimeVoltage':{
                    $command = '{"emeter":{"get_realtime":{}}}';
                    break;}
            case 'EMeterVGain':{
                    $command = '{"emeter":{"get_vgain_igain":{}}}';
                    break;}
            case 'currentRunTime':{
                    $command = '{"system":{"get_sysinfo":{}}}';
                    break;}
            case 'currentPower':{
                    $command = '{"emeter":{"get_realtime":{}}}';
                    break;}
            case 'gettime':{
                    $command = '{"emeter":{"get_daystat":{"month":5; break ; }"year":2017}}}';
                    break;}
            case 'currentRunTimeHour':{
                    $command = '{"system":{"get_sysinfo":{}}}';
                    break;}
            case 'resetcounter':{
                    $command = '{"emeter":{"erase_emeter_stat":null}}';
                    break;}
            default:{ $command = '{"system":{"get_sysinfo":{}}}';}
        }

        $fp = fsockopen($host, $port);
        if (!$fp) {exit;}
        $request = pack('N', strlen($command));

        $key = 0xAB;
        for ($i = 0; $i < strlen($command); $i++) {
            $key = ord(substr($command, $i, 1)) ^ $key;
            $request .= chr($key);
        }
        fwrite($fp, $request, strlen($request));
        $response = fread($fp, 4);
        $response = fread($fp, unpack('N', $response)[1]);
        fclose($fp);
        $key = 0xAB;
        $output = '';
        for ($i = 0; $i < strlen($response); $i++) {
            $nextKey = ord(substr($response, $i, 1));
            $output .= chr($nextKey ^ $key);
            $key = $nextKey;
        }
        return json_decode($output);
    }
}

Kernel.php

<?php

namespace App\Console;

use Illuminate\Console\Scheduling\Schedule;
use Illuminate\Foundation\Console\Kernel as ConsoleKernel;

class Kernel extends ConsoleKernel
{
    /**
     * The Artisan commands provided by your application.
     *
     * @var array
     */
    protected $commands = [
        '\App\Console\Commands\FanController',
    ];

    /**
     * Define the application's command schedule.
     *
     * @param  \Illuminate\Console\Scheduling\Schedule  $schedule
     * @return void
     */
    protected function schedule(Schedule $schedule)
    {
        $schedule->command('temps:monitor')->everyFiveMinutes();
    }

    /**
     * Register the commands for the application.
     *
     * @return void
     */
    protected function commands()
    {
        $this->load(__DIR__ . '/Commands');

        require base_path('routes/console.php');
    }
}