/**
* {@inheritdoc}
*/
public function format(array $record)
{
$record = parent::format($record);
$message = new Gelf_Message();
$message->setTimestamp($record['datetime'])->setShortMessage((string) $record['message'])->setFacility($record['channel'])->setHost($this->systemName)->setLine(isset($record['extra']['line']) ? $record['extra']['line'] : null)->setFile(isset($record['extra']['file']) ? $record['extra']['file'] : null)->setLevel($this->logLevels[$record['level']]);
// Do not duplicate these values in the additional fields
unset($record['extra']['line']);
unset($record['extra']['file']);
if (isset($record['extra']['memory_usage'])) {
$record['extra']['mem_usage'] = $record['extra']['memory_usage'];
unset($record['extra']['memory_usage']);
}
if (isset($record['extra']['memory_peak_usage'])) {
$record['extra']['mem_peak_usage'] = $record['extra']['memory_peak_usage'];
unset($record['extra']['memory_peak_usage']);
}
foreach ($record['extra'] as $key => $val) {
$message->setAdditional($this->extraPrefix . $key, is_scalar($val) ? $val : $this->toJson($val));
}
foreach ($record['context'] as $key => $val) {
$message->setAdditional($this->contextPrefix . $key, is_scalar($val) ? $val : $this->toJson($val));
}
if (null === $message->getFile() && isset($record['context']['exception'])) {
if (preg_match("/^(.+):([0-9]+)\$/", $record['context']['exception']['file'], $matches)) {
$message->setFile($matches[1]);
$message->setLine($matches[2]);
}
}
return $message;
}
/**
* @param Gelf_Message $message
*
* @return string
*/
protected function getPreparedMessage(Gelf_Message $message)
{
return gzcompress(json_encode($message->toArray()));
}