bambslaundry-new/print_server/server.php

<?php

require_once __DIR__ . '/vendor/autoload.php';
require_once __DIR__ . '/ThermalPrinting.php';

try {

    echo '> Starting server on ws://127.0.0.1:5544 ...', "\n";

    $websocket = new Hoa\Websocket\Server(
        new Hoa\Socket\Server('ws://127.0.0.1:5544')
    );

    $websocket->on('open', function (Hoa\Event\Bucket $bucket) {
        echo '> Connected', "\n";
        return;
    });

    $websocket->on('message', function (Hoa\Event\Bucket $bucket) {
        $data = $bucket->getData();
        $rdata = json_decode($data['message']);
        echo '> Received request ', $data['message'], "\n";

        $thermalPrinting = new ThermalPrinting($rdata);
        $thermalPrinting->startPrinting(2);


        // if ($rdata['type'] == 'print-receipt') {
        //     echo '> Printing receipt... ', $rdata['data'], "\n";
        // }

        echo '> Done print task ', "\n";
        return;
    });

    $websocket->on('close', function (Hoa\Event\Bucket $bucket) {
        echo '> Disconnected', "\n";
        return;
    });

    try {
        echo '> Server started', "\n";
        $websocket->run();
    } catch (Exception $e) {
        echo '> Error occurred, server stopped. ', $e->getMessage(), "\n";
    }
} catch (Exception $e) {
    echo '> Error: ', $e->getMessage(), "\n";
}