X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FCore%2FSystem.php;h=66b6b25a501e16245019c8a8f0bde0885dac56fe;hb=44291a465bb9b9c54b8781d6d6f13e1c3f317c1b;hp=2cc9a48bc3b4e5131e6ca323ef7761f8665c9d60;hpb=99a93a422bd182c3d8b513638d3750a6493b654e;p=friendica.git diff --git a/src/Core/System.php b/src/Core/System.php index 2cc9a48bc3..66b6b25a50 100644 --- a/src/Core/System.php +++ b/src/Core/System.php @@ -1,6 +1,6 @@ logger = $logger; + $this->config = $config; + $this->basePath = $basepath; + } + + /** + * Checks if the maximum number of database processes is reached + * + * @return bool Is the limit reached? + */ + public function isMaxProcessesReached(): bool + { + // Deactivated, needs more investigating if this check really makes sense + return false; + + /* + * Commented out to suppress static analyzer issues + * + if ($this->mode->isBackend()) { + $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; + */ + } + + /** + * Checks if the minimal memory is reached + * + * @return bool Is the memory limit reached? + */ + public function isMinMemoryReached(): bool + { + // Deactivated, needs more investigating if this check really makes sense + return false; + + /* + * Commented out to suppress static analyzer issues + * + $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; + } + [$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->warning('Minimal memory reached.', ['free' => $free, 'memtotal' => $meminfo['MemTotal'], 'limit' => $min_memory]); + } + + return $reached; + */ + } + + /** + * Checks if the maximum load is reached + * + * @return bool Is the load reached? + */ + public function isMaxLoadReached(): bool + { + $maxsysload = intval($this->config->get('system', 'maxloadavg')); + if ($maxsysload < 1) { + $maxsysload = 50; + } + + $load = System::currentLoad(); + if ($load) { + if (intval($load) > $maxsysload) { + $this->logger->warning('system load for process too high.', ['load' => $load, 'process' => 'backend', 'maxsysload' => $maxsysload]); + return true; + } + } + return false; + } + + /** + * Executes a child process with 'proc_open' + * + * @param string $command The command to execute + * @param array $args Arguments to pass to the command ( [ 'key' => value, 'key2' => value2, ... ] + */ + public function run(string $command, array $args) + { + if (!function_exists('proc_open')) { + $this->logger->warning('"proc_open" not available - quitting'); + return; + } + + $cmdline = $this->config->get('config', 'php_path', 'php') . ' ' . escapeshellarg($command); + + foreach ($args as $key => $value) { + if (!is_null($value) && is_bool($value) && !$value) { + continue; + } + + $cmdline .= ' --' . $key; + if (!is_null($value) && !is_bool($value)) { + $cmdline .= ' ' . $value; + } + } + + if ($this->isMinMemoryReached()) { + $this->logger->warning('Memory limit reached - quitting'); + return; + } + + if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') { + $resource = proc_open('cmd /c start /b ' . $cmdline, [], $foo, $this->basePath); + } else { + $resource = proc_open($cmdline . ' &', [], $foo, $this->basePath); + } + + if (!is_resource($resource)) { + $this->logger->warning('We got no resource for command.', ['command' => $cmdline]); + return; + } + + proc_close($resource); + + $this->logger->info('Executed "proc_open"', ['command' => $cmdline, 'callstack' => System::callstack(10)]); + } + /** * Returns a string with a callstack. Can be used for logging. * @@ -42,7 +226,7 @@ class System * this is called from a centralized method that isn't relevant to the callstack * @return string */ - public static function callstack(int $depth = 4, int $offset = 0) + public static function callstack(int $depth = 4, int $offset = 0): string { $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS); @@ -107,11 +291,9 @@ class System Logger::notice('xml_status returning non_zero: ' . $st . " message=" . $message); } - header("Content-type: text/xml"); - - $xmldata = ["result" => $result]; - - echo XML::fromArray($xmldata, $xml); + DI::apiResponse()->setType(Response::TYPE_XML); + DI::apiResponse()->addContent(XML::fromArray(["result" => $result], $xml)); + DI::page()->exit(DI::apiResponse()->generate()); exit(); } @@ -124,25 +306,41 @@ class System * @param string $content Response body. Optional. * @throws \Exception */ - public static function httpExit($val, $message = '', $content = '') + public static function httpError($httpCode, $message = '', $content = '') { - if ($val >= 400) { - Logger::debug('Exit with error', ['code' => $val, 'message' => $message, 'callstack' => System::callstack(20), 'method' => $_SERVER['REQUEST_METHOD'], 'agent' => $_SERVER['HTTP_USER_AGENT'] ?? '']); + if ($httpCode >= 400) { + Logger::debug('Exit with error', ['code' => $httpCode, 'message' => $message, 'callstack' => System::callstack(20), 'method' => DI::args()->getMethod(), 'agent' => $_SERVER['HTTP_USER_AGENT'] ?? '']); } - header($_SERVER["SERVER_PROTOCOL"] . ' ' . $val . ' ' . $message); + DI::apiResponse()->setStatus($httpCode, $message); + DI::apiResponse()->addContent($content); + DI::page()->exit(DI::apiResponse()->generate()); - echo $content; + exit(); + } + /** + * This function adds the content and a content-teype HTTP header to the output. + * After finishing the process is getting killed. + * + * @param string $content + * @param [type] $responce + * @param string|null $content_type + * @return void + */ + public static function httpExit(string $content, string $responce = Response::TYPE_HTML, ?string $content_type = null) { + DI::apiResponse()->setType($responce, $content_type); + DI::apiResponse()->addContent($content); + DI::page()->exit(DI::apiResponse()->generate()); exit(); } - public static function jsonError($httpCode, $data, $content_type = 'application/json') + public static function jsonError($httpCode, $content, $content_type = 'application/json') { if ($httpCode >= 400) { - Logger::debug('Exit with error', ['code' => $httpCode, 'content_type' => $content_type, 'callstack' => System::callstack(20), 'method' => $_SERVER['REQUEST_METHOD'], 'agent' => $_SERVER['HTTP_USER_AGENT'] ?? '']); + Logger::debug('Exit with error', ['code' => $httpCode, 'content_type' => $content_type, 'callstack' => System::callstack(20), 'method' => DI::args()->getMethod(), 'agent' => $_SERVER['HTTP_USER_AGENT'] ?? '']); } - header($_SERVER["SERVER_PROTOCOL"] . ' ' . $httpCode); - self::jsonExit($data, $content_type); + DI::apiResponse()->setStatus($httpCode); + self::jsonExit($content, $content_type); } /** @@ -152,13 +350,15 @@ class System * and adds an application/json HTTP header to the output. * After finishing the process is getting killed. * - * @param mixed $x The input content. - * @param string $content_type Type of the input (Default: 'application/json'). - * @param integer $options JSON options + * @param mixed $content The input content + * @param string $content_type Type of the input (Default: 'application/json') + * @param integer $options JSON options + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ - public static function jsonExit($x, $content_type = 'application/json', int $options = 0) { - header("Content-type: $content_type"); - echo json_encode($x, $options); + public static function jsonExit($content, $content_type = 'application/json', int $options = JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT) { + DI::apiResponse()->setType(Response::TYPE_JSON, $content_type); + DI::apiResponse()->addContent(json_encode($content, $options)); + DI::page()->exit(DI::apiResponse()->generate()); exit(); } @@ -314,7 +514,7 @@ class System */ public static function htmlUpdateExit($o) { - header("Content-type: text/html"); + DI::apiResponse()->setType(Response::TYPE_HTML); echo "\r\n"; // We can remove this hack once Internet Explorer recognises HTML5 natively echo "
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