<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\VarDumper\Server;

use Symfony\Component\VarDumper\Cloner\Data;
use Symfony\Component\VarDumper\Dumper\ContextProvider\ContextProviderInterface;

/**
 * Forwards serialized Data clones to a server.
 *
 * @author Maxime Steinhausser <maxime.steinhausser@gmail.com>
 */
class Connection
{
    private string $host;
    private array $contextProviders;

    /**
     * @var resource|null
     */
    private $socket;

    /**
     * @param string                     $host             The server host
     * @param ContextProviderInterface[] $contextProviders Context providers indexed by context name
     */
    public function __construct(string $host, array $contextProviders = [])
    {
        if (!str_contains($host, '://')) {
            $host = 'tcp://'.$host;
        }

        $this->host = $host;
        $this->contextProviders = $contextProviders;
    }

    public function getContextProviders(): array
    {
        return $this->contextProviders;
    }

    public function write(Data $data): bool
    {
        $socketIsFresh = !$this->socket;
        if (!$this->socket = $this->socket ?: $this->createSocket()) {
            return false;
        }

        $context = ['timestamp' => microtime(true)];
        foreach ($this->contextProviders as $name => $provider) {
            $context[$name] = $provider->getContext();
        }
        $context = array_filter($context);
        $encodedPayload = base64_encode(serialize([$data, $context]))."\n";

        set_error_handler(static fn () => null);
        try {
            if (-1 !== stream_socket_sendto($this->socket, $encodedPayload)) {
                return true;
            }
            if (!$socketIsFresh) {
                stream_socket_shutdown($this->socket, \STREAM_SHUT_RDWR);
                fclose($this->socket);
                $this->socket = $this->createSocket();
            }
            if (-1 !== stream_socket_sendto($this->socket, $encodedPayload)) {
                return true;
            }
        } finally {
            restore_error_handler();
        }

        return false;
    }

    /**
     * @return resource|null
     */
    private function createSocket()
    {
        set_error_handler(static fn () => null);
        try {
            return stream_socket_client($this->host, $errno, $errstr, 3) ?: null;
        } finally {
            restore_error_handler();
        }
    }
}

.NET Framework

Project Request

ProjectC

Vehicle Maintenance

Movie Navigator

Customers Exchange

ATM

.NET Core

Mail Daemon

Custom

Buns of code

PHP

Mediabox

Loan Castle

Content Management

Laravel

Phone Check

Frontend

Forex Wall

Business projects

Certification Center

Amerikas Auto

Pet projects

Geolocation Assistant

Web Dynamics

Blackball

Good old times

DOS Clock

BrainOut

Airport Administrator

Atomizer

Mediabox