public DbLog::log($level, $message, array $context = array())
Logs with an arbitrary level.
Parameters
mixed $level:
string $message:
array $context:
Return value
null
Overrides RfcLoggerTrait::log
File
- core/modules/dblog/src/Logger/DbLog.php, line 56
Class
- DbLog
- Logs events in the watchdog database table.
Namespace
Drupal\dblog\Logger
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | public function log($level, $message, array $context = array()) { // Remove any backtraces since they may contain an unserializable variable. unset($context['backtrace']); // Convert PSR3-style messages to SafeMarkup::format() style, so they can be // translated too in runtime. $message_placeholders = $this->parser->parseMessagePlaceholders($message, $context); try { $this->connection ->insert('watchdog') ->fields(array( 'uid' => $context['uid'], 'type' => Unicode::substr($context['channel'], 0, 64), 'message' => $message, 'variables' => serialize($message_placeholders), 'severity' => $level, 'link' => $context['link'], 'location' => $context['request_uri'], 'referer' => $context['referer'], 'hostname' => Unicode::substr($context['ip'], 0, 128), 'timestamp' => $context['timestamp'], )) ->execute(); } catch (\Exception $e) { // When running Drupal on MySQL or MariaDB you can run into several errors // that corrupt the database connection. Some examples for these kind of // errors on the database layer are "1100 - Table 'xyz' was not locked // with LOCK TABLES" and "1153 - Got a packet bigger than // 'max_allowed_packet' bytes". If such an error happens, the MySQL server // invalidates the connection and answers all further requests in this // connection with "2006 - MySQL server had gone away". In that case the // insert statement above results in a database exception. To ensure that // the causal error is written to the log we try once to open a dedicated // connection and write again. if ( // Only handle database related exceptions. ($e instanceof DatabaseException || $e instanceof \PDOException) && // Avoid an endless loop of re-write attempts. $this->connection->getTarget() != self::DEDICATED_DBLOG_CONNECTION_TARGET ) { // Open a dedicated connection for logging. $key = $this->connection->getKey(); $info = Database::getConnectionInfo($key); Database::addConnectionInfo($key, self::DEDICATED_DBLOG_CONNECTION_TARGET, $info['default']); $this->connection = Database::getConnection(self::DEDICATED_DBLOG_CONNECTION_TARGET, $key); // Now try once to log the error again. $this->log($level, $message, $context); } else { throw $e; } }} |
Please login to continue.