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<?php
/*
* This file is part of the Monolog package.
*
* (c) Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Monolog\Handler\SyslogUdp;
class UdpSocket
{
const DATAGRAM_MAX_LENGTH = 65023;
protected $ip;
protected $port;
protected $socket;
public function __construct($ip, $port = 514)
{
$this->ip = $ip;
$this->port = $port;
$this->socket = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
}
public function write($line, $header = "")
{
$this->send($this->assembleMessage($line, $header));
}
public function close()
{
if (is_resource($this->socket)) {
socket_close($this->socket);
$this->socket = null;
}
}
protected function send($chunk)
{
if (!is_resource($this->socket)) {
throw new \LogicException('The UdpSocket to '.$this->ip.':'.$this->port.' has been closed and can not be written to anymore');
}
socket_sendto($this->socket, $chunk, strlen($chunk), $flags = 0, $this->ip, $this->port);
}
protected function assembleMessage($line, $header)
{
$chunkSize = self::DATAGRAM_MAX_LENGTH - strlen($header);
return $header . substr($line, 0, $chunkSize);
}
}