- $this->getBaseURL();
- }
-
- /**
- * Returns true, if the call is from a backend node (f.e. from a worker)
- *
- * @return bool Is it a known backend?
- *
- * @deprecated 2019.09 - use App\Mode->isBackend() instead
- * @see App\Mode::isBackend()
- * Use BaseObject::getClass(App\Mode::class) to get the global instance of Mode
- */
- public function isBackend()
- {
- return $this->mode->isBackend();
- }
-
- /**
- * @brief Checks if the maximum number of database processes is reached
- *
- * @return bool Is the limit reached?
- */
- public function isMaxProcessesReached()
- {
- // Deactivated, needs more investigating if this check really makes sense
- return false;
-
- /*
- * Commented out to suppress static analyzer issues
- *
- if ($this->is_backend()) {
- $process = 'backend';
- $max_processes = $this->config->get('system', 'max_processes_backend');
- if (intval($max_processes) == 0) {
- $max_processes = 5;
- }
- } else {
- $process = 'frontend';
- $max_processes = $this->config->get('system', 'max_processes_frontend');
- if (intval($max_processes) == 0) {
- $max_processes = 20;
- }
- }
-
- $processlist = DBA::processlist();
- if ($processlist['list'] != '') {
- $this->logger->debug('Processcheck: Processes: ' . $processlist['amount'] . ' - Processlist: ' . $processlist['list']);
-
- if ($processlist['amount'] > $max_processes) {
- $this->logger->debug('Processcheck: Maximum number of processes for ' . $process . ' tasks (' . $max_processes . ') reached.');
- return true;
- }
- }
- return false;
- */
- }
-
- /**
- * @brief Checks if the minimal memory is reached
- *
- * @return bool Is the memory limit reached?
- * @throws HTTPException\InternalServerErrorException
- */
- public function isMinMemoryReached()
- {
- $min_memory = $this->config->get('system', 'min_memory', 0);
- if ($min_memory == 0) {
- return false;
- }
-
- if (!is_readable('/proc/meminfo')) {
- return false;
- }
-
- $memdata = explode("\n", file_get_contents('/proc/meminfo'));
-
- $meminfo = [];
- foreach ($memdata as $line) {
- $data = explode(':', $line);
- if (count($data) != 2) {
- continue;
- }
- list($key, $val) = $data;
- $meminfo[$key] = (int)trim(str_replace('kB', '', $val));
- $meminfo[$key] = (int)($meminfo[$key] / 1024);
- }
-
- if (!isset($meminfo['MemFree'])) {
- return false;
- }
-
- $free = $meminfo['MemFree'];
-
- $reached = ($free < $min_memory);
-
- if ($reached) {
- $this->logger->debug('Minimal memory reached.', ['free' => $free, 'memtotal' => $meminfo['MemTotal'], 'limit' => $min_memory]);
- }
-
- return $reached;
- }
-
- /**
- * @brief Checks if the maximum load is reached
- *
- * @return bool Is the load reached?
- * @throws HTTPException\InternalServerErrorException
- */
- public function isMaxLoadReached()
- {
- if ($this->mode->isBackend()) {
- $process = 'backend';
- $maxsysload = intval($this->config->get('system', 'maxloadavg'));
- if ($maxsysload < 1) {
- $maxsysload = 50;
- }
- } else {
- $process = 'frontend';
- $maxsysload = intval($this->config->get('system', 'maxloadavg_frontend'));
- if ($maxsysload < 1) {
- $maxsysload = 50;
- }
- }
-
- $load = Core\System::currentLoad();
- if ($load) {
- if (intval($load) > $maxsysload) {
- $this->logger->info('system load for process too high.', ['load' => $load, 'process' => $process, 'maxsysload' => $maxsysload]);
- return true;
- }
- }
- return false;