<?php

namespace Monolog\Handler\SyslogUdp;

use Monolog\Utils;
use Socket;

class UdpSocket
{
    protected const DATAGRAM_MAX_LENGTH = 65023;

    /** @var string */
    protected $ip;

    /** @var int */
    protected $port;

    /** @var resource|Socket|null */
    protected $socket = null;

    public function __construct(string $ip, int $port = 514)
    {
        $this->ip = $ip;
        $this->port = $port;
    }

    /**
     * @param  string $line
     * @param  string $header
     * @return void
     */
    public function write($line, $header = "")
    {
        $this->send($this->assembleMessage($line, $header));
    }

    public function close(): void
    {
        if (is_resource($this->socket) || $this->socket instanceof Socket) {
            socket_close($this->socket);
            $this->socket = null;
        }
    }

    /**
     * @return resource|Socket
     */
    protected function getSocket()
    {
        if (null !== $this->socket) {
            return $this->socket;
        }

        $domain = AF_INET;
        $protocol = SOL_UDP;
        // Check if we are using unix sockets.
        if ($this->port === 0) {
            $domain = AF_UNIX;
            $protocol = IPPROTO_IP;
        }

        $this->socket = socket_create($domain, SOCK_DGRAM, $protocol) ?: null;
        if (null === $this->socket) {
            throw new \RuntimeException('The UdpSocket to '.$this->ip.':'.$this->port.' could not be opened via socket_create');
        }

        return $this->socket;
    }

    protected function send(string $chunk): void
    {
        socket_sendto($this->getSocket(), $chunk, strlen($chunk), $flags = 0, $this->ip, $this->port);
    }

    protected function assembleMessage(string $line, string $header): string
    {
        $chunkSize = static::DATAGRAM_MAX_LENGTH - strlen($header);

        return $header . Utils::substr($line, 0, $chunkSize);
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MTc2Mzc5NjY0OTc1NDEyMCAyMTM2NjI0OTc0MjcxOTA1IDM1NzA4NzMzMTA3OTM3MzU=