<?php
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/*
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* This file is part of the Monolog package.
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*
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* (c) Jordi Boggiano <j.boggiano@seld.be>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Monolog\Handler;
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use Monolog\Logger;
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use Monolog\Handler\SyslogUdp\UdpSocket;
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/**
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* A Handler for logging to a remote syslogd server.
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*
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* @author Jesper Skovgaard Nielsen <nulpunkt@gmail.com>
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* @author Dominik Kukacka <dominik.kukacka@gmail.com>
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*/
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class SyslogUdpHandler extends AbstractSyslogHandler
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{
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const RFC3164 = 0;
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const RFC5424 = 1;
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private $dateFormats = array(
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self::RFC3164 => 'M d H:i:s',
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self::RFC5424 => \DateTime::RFC3339,
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);
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protected $socket;
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protected $ident;
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protected $rfc;
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/**
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* @param string $host
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* @param int $port
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* @param mixed $facility
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* @param int $level The minimum logging level at which this handler will be triggered
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* @param bool $bubble Whether the messages that are handled can bubble up the stack or not
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* @param string $ident Program name or tag for each log message.
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* @param int $rfc RFC to format the message for.
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*/
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public function __construct($host, $port = 514, $facility = LOG_USER, $level = Logger::DEBUG, $bubble = true, $ident = 'php', $rfc = self::RFC5424)
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{
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parent::__construct($facility, $level, $bubble);
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$this->ident = $ident;
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$this->rfc = $rfc;
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$this->socket = new UdpSocket($host, $port ?: 514);
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}
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protected function write(array $record)
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{
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$lines = $this->splitMessageIntoLines($record['formatted']);
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$header = $this->makeCommonSyslogHeader($this->logLevels[$record['level']]);
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foreach ($lines as $line) {
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$this->socket->write($line, $header);
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}
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}
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public function close()
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{
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$this->socket->close();
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}
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private function splitMessageIntoLines($message)
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{
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if (is_array($message)) {
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$message = implode("\n", $message);
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}
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return preg_split('/$\R?^/m', $message, -1, PREG_SPLIT_NO_EMPTY);
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}
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/**
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* Make common syslog header (see rfc5424 or rfc3164)
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*/
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protected function makeCommonSyslogHeader($severity)
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{
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$priority = $severity + $this->facility;
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if (!$pid = getmypid()) {
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$pid = '-';
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}
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if (!$hostname = gethostname()) {
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$hostname = '-';
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}
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$date = $this->getDateTime();
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if ($this->rfc === self::RFC3164) {
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return "<$priority>" .
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$date . " " .
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$hostname . " " .
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$this->ident . "[" . $pid . "]: ";
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} else {
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return "<$priority>1 " .
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$date . " " .
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$hostname . " " .
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$this->ident . " " .
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$pid . " - - ";
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}
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}
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protected function getDateTime()
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{
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return date($this->dateFormats[$this->rfc]);
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}
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/**
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* Inject your own socket, mainly used for testing
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*/
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public function setSocket($socket)
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{
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$this->socket = $socket;
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}
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}
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