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<?php declare(strict_types=1);
/*
* 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;
use Monolog\Logger;
use Monolog\Handler\SyslogUdp\UdpSocket;
/**
* A Handler for logging to a remote syslogd server.
*
* @author Jesper Skovgaard Nielsen <nulpunkt@gmail.com>
*/
class SyslogUdpHandler extends AbstractSyslogHandler
{
protected $socket;
protected $ident;
/**
* @param string $host
* @param int $port
* @param string|int $facility Either one of the names of the keys in $this->facilities, or a LOG_* facility constant
* @param string|int $level The minimum logging level at which this handler will be triggered
* @param bool $bubble Whether the messages that are handled can bubble up the stack or not
* @param string $ident Program name or tag for each log message.
*/
public function __construct(string $host, int $port = 514, $facility = LOG_USER, $level = Logger::DEBUG, bool $bubble = true, string $ident = 'php')
{
parent::__construct($facility, $level, $bubble);
$this->ident = $ident;
$this->socket = new UdpSocket($host, $port ?: 514);
}
protected function write(array $record): void
{
$lines = $this->splitMessageIntoLines($record['formatted']);
$header = $this->makeCommonSyslogHeader($this->logLevels[$record['level']]);
foreach ($lines as $line) {
$this->socket->write($line, $header);
}
}
public function close(): void
{
$this->socket->close();
}
private function splitMessageIntoLines($message): array
{
if (is_array($message)) {
$message = implode("\n", $message);
}
return preg_split('/$\R?^/m', (string) $message, -1, PREG_SPLIT_NO_EMPTY);
}
/**
* Make common syslog header (see rfc5424)
*/
protected function makeCommonSyslogHeader(int $severity): string
{
$priority = $severity + $this->facility;
if (!$pid = getmypid()) {
$pid = '-';
}
if (!$hostname = gethostname()) {
$hostname = '-';
}
return "<$priority>1 " .
$this->getDateTime() . " " .
$hostname . " " .
$this->ident . " " .
$pid . " - - ";
}
protected function getDateTime(): string
{
return date(\DateTime::RFC3339);
}
/**
* Inject your own socket, mainly used for testing
*/
public function setSocket(UdpSocket $socket): self
{
$this->socket = $socket;
return $this;
}
}