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<?php
/**
* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
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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