- <?php
- /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Piotr Mrówczyński <mrow4a@yahoo.com>
- * @author Robin Appelman <robin@icewind.nl>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
- */
- namespace OC\Diagnostics;
-
- use OC\Log;
- use OC\SystemConfig;
- use OCP\Diagnostics\IEvent;
- use OCP\Diagnostics\IEventLogger;
- use Psr\Log\LoggerInterface;
-
- class EventLogger implements IEventLogger {
- /** @var Event[] */
- private $events = [];
-
- /** @var SystemConfig */
- private $config;
-
- /** @var LoggerInterface */
- private $logger;
-
- /** @var Log */
- private $internalLogger;
-
- /**
- * @var bool - Module needs to be activated by some app
- */
- private $activated = false;
-
- public function __construct(SystemConfig $config, LoggerInterface $logger, Log $internalLogger) {
- $this->config = $config;
- $this->logger = $logger;
- $this->internalLogger = $internalLogger;
-
- if ($this->isLoggingActivated()) {
- $this->activate();
- }
- }
-
- public function isLoggingActivated(): bool {
- $systemValue = (bool)$this->config->getValue('diagnostics.logging', false)
- || (bool)$this->config->getValue('profiler', false);
-
- if ($systemValue && $this->config->getValue('debug', false)) {
- return true;
- }
-
- $isDebugLevel = $this->internalLogger->getLogLevel([]) === Log::DEBUG;
- return $systemValue && $isDebugLevel;
- }
-
- /**
- * @inheritdoc
- */
- public function start($id, $description = '') {
- if ($this->activated) {
- $this->events[$id] = new Event($id, $description, microtime(true));
- $this->writeLog($this->events[$id]);
- }
- }
-
- /**
- * @inheritdoc
- */
- public function end($id) {
- if ($this->activated && isset($this->events[$id])) {
- $timing = $this->events[$id];
- $timing->end(microtime(true));
- $this->writeLog($timing);
- }
- }
-
- /**
- * @inheritdoc
- */
- public function log($id, $description, $start, $end) {
- if ($this->activated) {
- $this->events[$id] = new Event($id, $description, $start);
- $this->events[$id]->end($end);
- $this->writeLog($this->events[$id]);
- }
- }
-
- /**
- * @inheritdoc
- */
- public function getEvents() {
- return $this->events;
- }
-
- /**
- * @inheritdoc
- */
- public function activate() {
- $this->activated = true;
- }
-
- private function writeLog(IEvent $event) {
- if ($this->activated) {
- if ($event->getEnd() === null) {
- return;
- }
- $duration = $event->getDuration();
- $timeInMs = round($duration * 1000, 4);
-
- $loggingMinimum = (int)$this->config->getValue('diagnostics.logging.threshold', 0);
- if ($loggingMinimum === 0 || $timeInMs < $loggingMinimum) {
- return;
- }
-
- $message = microtime() . ' - ' . $event->getId() . ': ' . $timeInMs . ' (' . $event->getDescription() . ')';
- $this->logger->debug($message, ['app' => 'diagnostics']);
- }
- }
- }
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