namespace Friendica\Util\Logger;
use Friendica\Network\HTTPException\InternalServerErrorException;
-use Friendica\Util\Strings;
-use Psr\Log\InvalidArgumentException;
-use Psr\Log\LoggerInterface;
+use Friendica\Util\Introspection;
use Psr\Log\LogLevel;
/**
* A Logger instance for syslogging (fast, but simple)
* @see http://php.net/manual/en/function.syslog.php
*/
-class SyslogLogger implements LoggerInterface
+class SyslogLogger extends AbstractLogger
{
const IDENT = 'Friendica';
LOG_EMERG => 'EMERGENCY'
];
- /**
- * The channel of the current process (added to each message)
- * @var string
- */
- private $channel;
-
/**
* Indicates what logging options will be used when generating a log message
* @see http://php.net/manual/en/function.openlog.php#refsect1-function.openlog-parameters
private $logLevel;
/**
- * The Introspector for the current call
- * @var Introspection
- */
- private $introspection;
-
- /**
- * The UID of the current call
+ * A error message of the current operation
* @var string
*/
- private $logUid;
+ private $errorMessage;
/**
- * @param string $channel The output channel
+ * {@inheritdoc}
* @param string $level The minimum loglevel at which this logger will be triggered
* @param int $logOpts Indicates what logging options will be used when generating a log message
* @param int $logFacility Used to specify what type of program is logging the message
+ *
+ * @throws \Exception
*/
public function __construct($channel, Introspection $introspection, $level = LogLevel::NOTICE, $logOpts = LOG_PID, $logFacility = LOG_USER)
{
- $this->logUid = Strings::getRandomHex(6);
- $this->channel = $channel;
+ parent::__construct($channel, $introspection);
$this->logOpts = $logOpts;
$this->logFacility = $logFacility;
$this->logLevel = $this->mapLevelToPriority($level);
- $this->introspection = $introspection;
+ $this->introspection->addClasses(array(self::class));
+ }
+
+ /**
+ * Adds a new entry to the syslog
+ *
+ * @param int $level
+ * @param string $message
+ * @param array $context
+ *
+ * @throws InternalServerErrorException if the syslog isn't available
+ */
+ protected function addEntry($level, $message, $context = [])
+ {
+ $logLevel = $this->mapLevelToPriority($level);
+
+ if ($logLevel > $this->logLevel) {
+ return;
+ }
+
+ $formattedLog = $this->formatLog($logLevel, $message, $context);
+ $this->write($logLevel, $formattedLog);
}
/**
public function mapLevelToPriority($level)
{
if (!array_key_exists($level, $this->logLevels)) {
- throw new InvalidArgumentException('LogLevel \'' . $level . '\' isn\'t valid.');
+ throw new \InvalidArgumentException(sprintf('The level "%s" is not valid.', $level));
}
return $this->logLevels[$level];
}
+ /**
+ * Closes the Syslog
+ */
+ public function close()
+ {
+ closelog();
+ }
+
/**
* Writes a message to the syslog
* @see http://php.net/manual/en/function.syslog.php#refsect1-function.syslog-parameters
*/
private function write($priority, $message)
{
- if (!openlog(self::IDENT, $this->logOpts, $this->logFacility)) {
- throw new InternalServerErrorException('Can\'t open syslog for ident "' . $this->channel . '" and facility "' . $this->logFacility . '""');
- }
+ set_error_handler([$this, 'customErrorHandler']);
+ $opened = openlog(self::IDENT, $this->logOpts, $this->logFacility);
+ restore_error_handler();
- syslog($priority, $message);
- }
+ if (!$opened) {
+ throw new \UnexpectedValueException(sprintf('Can\'t open syslog for ident "%s" and facility "%s": ' . $this->errorMessage, $this->channel, $this->logFacility));
+ }
- /**
- * Closes the Syslog
- */
- public function close()
- {
- closelog();
+ $this->syslogWrapper($priority, $message);
}
/**
return $logMessage;
}
- /**
- * Simple interpolation of PSR-3 compliant replacements ( variables between '{' and '}' )
- * @see https://www.php-fig.org/psr/psr-3/#12-message
- *
- * @param string $message
- * @param array $context
- *
- * @return string the interpolated message
- */
- private function psrInterpolate($message, array $context = array())
+ private function customErrorHandler($code, $msg)
{
- $replace = [];
- foreach ($context as $key => $value) {
- // check that the value can be casted to string
- if (!is_array($value) && (!is_object($value) || method_exists($value, '__toString'))) {
- $replace['{' . $key . '}'] = $value;
- } elseif (is_array($value)) {
- $replace['{' . $key . '}'] = @json_encode($value);
- }
- }
-
- return strtr($message, $replace);
+ $this->errorMessage = preg_replace('{^(fopen|mkdir)\(.*?\): }', '', $msg);
}
/**
- * Adds a new entry to the syslog
+ * A syslog wrapper to make syslog functionality testable
*
- * @param int $level
- * @param string $message
- * @param array $context
- *
- * @throws InternalServerErrorException if the syslog isn't available
- */
- private function addEntry($level, $message, $context = [])
- {
- if ($level >= $this->logLevel) {
- return;
- }
-
- $formattedLog = $this->formatLog($level, $message, $context);
- $this->write($level, $formattedLog);
- }
-
- /**
- * {@inheritdoc}
- * @throws InternalServerErrorException if the syslog isn't available
- */
- public function emergency($message, array $context = array())
- {
- $this->addEntry(LOG_EMERG, $message, $context);
- }
-
- /**
- * {@inheritdoc}
- * @throws InternalServerErrorException if the syslog isn't available
- */
- public function alert($message, array $context = array())
- {
- $this->addEntry(LOG_ALERT, $message, $context);
- }
-
- /**
- * {@inheritdoc}
- * @throws InternalServerErrorException if the syslog isn't available
- */
- public function critical($message, array $context = array())
- {
- $this->addEntry(LOG_CRIT, $message, $context);
- }
-
- /**
- * {@inheritdoc}
- * @throws InternalServerErrorException if the syslog isn't available
- */
- public function error($message, array $context = array())
- {
- $this->addEntry(LOG_ERR, $message, $context);
- }
-
- /**
- * {@inheritdoc}
- * @throws InternalServerErrorException if the syslog isn't available
- */
- public function warning($message, array $context = array())
- {
- $this->addEntry(LOG_WARNING, $message, $context);
- }
-
- /**
- * {@inheritdoc}
- * @throws InternalServerErrorException if the syslog isn't available
+ * @param int $level The syslog priority
+ * @param string $entry The message to send to the syslog function
*/
- public function notice($message, array $context = array())
+ protected function syslogWrapper($level, $entry)
{
- $this->addEntry(LOG_NOTICE, $message, $context);
- }
+ set_error_handler([$this, 'customErrorHandler']);
+ $written = syslog($level, $entry);
+ restore_error_handler();
- /**
- * {@inheritdoc}
- * @throws InternalServerErrorException if the syslog isn't available
- */
- public function info($message, array $context = array())
- {
- $this->addEntry(LOG_INFO, $message, $context);
- }
-
- /**
- * {@inheritdoc}
- * @throws InternalServerErrorException if the syslog isn't available
- */
- public function debug($message, array $context = array())
- {
- $this->addEntry(LOG_DEBUG, $message, $context);
- }
-
- /**
- * {@inheritdoc}
- * @throws InternalServerErrorException if the syslog isn't available
- */
- public function log($level, $message, array $context = array())
- {
- $logLevel = $this->mapLevelToPriority($level);
- $this->addEntry($logLevel, $message, $context);
+ if (!$written) {
+ throw new \UnexpectedValueException(sprintf('Can\'t write into syslog for ident "%s" and facility "%s": ' . $this->errorMessage, $this->channel, $this->logFacility));
+ }
}
}
projects / friendica.git / blobdiff