annotate core/modules/syslog/src/Logger/SysLog.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents 1fec387a4317
children
rev   line source
Chris@0 1 <?php
Chris@0 2
Chris@0 3 namespace Drupal\syslog\Logger;
Chris@0 4
Chris@0 5 use Drupal\Core\Config\ConfigFactoryInterface;
Chris@0 6 use Drupal\Core\Logger\LogMessageParserInterface;
Chris@0 7 use Drupal\Core\Logger\RfcLoggerTrait;
Chris@0 8 use Psr\Log\LoggerInterface;
Chris@0 9
Chris@0 10 /**
Chris@0 11 * Redirects logging messages to syslog.
Chris@0 12 */
Chris@0 13 class SysLog implements LoggerInterface {
Chris@0 14 use RfcLoggerTrait;
Chris@0 15
Chris@0 16 /**
Chris@0 17 * A configuration object containing syslog settings.
Chris@0 18 *
Chris@0 19 * @var \Drupal\Core\Config\Config
Chris@0 20 */
Chris@0 21 protected $config;
Chris@0 22
Chris@0 23 /**
Chris@0 24 * The message's placeholders parser.
Chris@0 25 *
Chris@0 26 * @var \Drupal\Core\Logger\LogMessageParserInterface
Chris@0 27 */
Chris@0 28 protected $parser;
Chris@0 29
Chris@0 30 /**
Chris@0 31 * Stores whether there is a system logger connection opened or not.
Chris@0 32 *
Chris@0 33 * @var bool
Chris@0 34 */
Chris@0 35 protected $connectionOpened = FALSE;
Chris@0 36
Chris@0 37 /**
Chris@0 38 * Constructs a SysLog object.
Chris@0 39 *
Chris@0 40 * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
Chris@0 41 * The configuration factory object.
Chris@0 42 * @param \Drupal\Core\Logger\LogMessageParserInterface $parser
Chris@0 43 * The parser to use when extracting message variables.
Chris@0 44 */
Chris@0 45 public function __construct(ConfigFactoryInterface $config_factory, LogMessageParserInterface $parser) {
Chris@0 46 $this->config = $config_factory->get('syslog.settings');
Chris@0 47 $this->parser = $parser;
Chris@0 48 }
Chris@0 49
Chris@0 50 /**
Chris@0 51 * Opens a connection to the system logger.
Chris@0 52 */
Chris@0 53 protected function openConnection() {
Chris@0 54 if (!$this->connectionOpened) {
Chris@0 55 $facility = $this->config->get('facility');
Chris@0 56 $this->connectionOpened = openlog($this->config->get('identity'), LOG_NDELAY, $facility);
Chris@0 57 }
Chris@0 58 }
Chris@0 59
Chris@0 60 /**
Chris@0 61 * {@inheritdoc}
Chris@0 62 */
Chris@0 63 public function log($level, $message, array $context = []) {
Chris@0 64 global $base_url;
Chris@0 65
Chris@0 66 // Ensure we have a connection available.
Chris@0 67 $this->openConnection();
Chris@0 68
Chris@0 69 // Populate the message placeholders and then replace them in the message.
Chris@0 70 $message_placeholders = $this->parser->parseMessagePlaceholders($message, $context);
Chris@0 71 $message = empty($message_placeholders) ? $message : strtr($message, $message_placeholders);
Chris@0 72
Chris@0 73 $entry = strtr($this->config->get('format'), [
Chris@0 74 '!base_url' => $base_url,
Chris@0 75 '!timestamp' => $context['timestamp'],
Chris@0 76 '!type' => $context['channel'],
Chris@0 77 '!ip' => $context['ip'],
Chris@0 78 '!request_uri' => $context['request_uri'],
Chris@0 79 '!referer' => $context['referer'],
Chris@14 80 '!severity' => $level,
Chris@0 81 '!uid' => $context['uid'],
Chris@0 82 '!link' => strip_tags($context['link']),
Chris@0 83 '!message' => strip_tags($message),
Chris@0 84 ]);
Chris@0 85
Chris@0 86 $this->syslogWrapper($level, $entry);
Chris@0 87 }
Chris@0 88
Chris@0 89 /**
Chris@0 90 * A syslog wrapper to make syslog functionality testable.
Chris@0 91 *
Chris@0 92 * @param int $level
Chris@0 93 * The syslog priority.
Chris@0 94 * @param string $entry
Chris@0 95 * The message to send to syslog function.
Chris@0 96 */
Chris@0 97 protected function syslogWrapper($level, $entry) {
Chris@0 98 syslog($level, $entry);
Chris@0 99 }
Chris@0 100
Chris@0 101 }