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<?php |
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/** |
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* @author jan huang <[email protected]> |
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* @copyright 2017 |
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* |
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* @see https://www.github.com/janhuang |
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* @see https://fastdlabs.com |
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*/ |
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namespace FastD\Process; |
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use FastD\Swoole\Process; |
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use Symfony\Component\Console\Command\Command; |
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use Symfony\Component\Console\Helper\Table; |
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use Symfony\Component\Console\Input\InputArgument; |
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use Symfony\Component\Console\Input\InputInterface; |
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use Symfony\Component\Console\Input\InputOption; |
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use Symfony\Component\Console\Output\OutputInterface; |
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/** |
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* Class Process. |
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*/ |
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class ProcessManager extends Command |
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{ |
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/** |
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* @var string |
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*/ |
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protected $pidPath; |
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/** |
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* php bin/console process {name} {args} {options}. |
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*/ |
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protected function configure() |
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{ |
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$this->setName('process'); |
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$this->addArgument('process', InputArgument::OPTIONAL, 'process name'); |
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$this->addArgument('action', InputArgument::OPTIONAL, 'process action, <comment>status|start|stop</comment>', 'status'); |
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$this->addOption('pid', '-p', InputOption::VALUE_OPTIONAL, 'set process pid path.'); |
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$this->addOption('name', null, InputOption::VALUE_OPTIONAL, 'set process name.', null); |
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$this->addOption('daemon', '-d', InputOption::VALUE_NONE, 'set process daemonize.'); |
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$this->setDescription('Create new processor.'); |
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} |
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/** |
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* @param InputInterface $input |
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* @param OutputInterface $output |
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* |
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* @return int |
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*/ |
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protected function execute(InputInterface $input, OutputInterface $output) |
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{ |
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$path = $this->targetDirectory($input); |
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$processName = $input->getArgument('process'); |
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if ($input->hasParameterOption(['--list', '-l']) || empty($processName)) { |
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return $this->showProcesses($input, $output); |
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} |
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$processes = config()->get('processes', []); |
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if (!isset($processes[$processName])) { |
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throw new \RuntimeException(sprintf('Process %s cannot found', $processName)); |
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} |
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$config = $processes[$processName]; |
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if (!class_exists($config['process'])) { |
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throw new \RuntimeException(sprintf('Process class "%s" is not found.', $processName)); |
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} |
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$name = $input->getOption('name'); |
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if (empty($name)) { |
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$name = $processName; |
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} |
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$process = $config['process']; |
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$options = $config['options']; |
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$process = new $process($name); |
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if (!($process instanceof Process)) { |
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throw new \RuntimeException('Process must be instance of \FastD\Swoole\Process'); |
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} |
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if ($input->hasParameterOption(['--daemon', '-d'])) { |
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$process->daemon(); |
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} |
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$pidFile = $path.'/'.$processName.'.pid'; |
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switch ($input->getArgument('action')) { |
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case 'start': |
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$pid = $process->start(); |
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file_put_contents($pidFile, $pid); |
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$output->writeln(sprintf('process <info>%s</info> pid: <info>%s</info>', $process->getName(), $pid)); |
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$output->writeln(sprintf('pid: <info>%s</info>', $pidFile)); |
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$process->wait(function ($ret) use ($name) { |
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return $this->finish($name, $ret['pid'], $ret['code'], $ret['signal']); |
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}); |
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break; |
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case 'stop': |
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$pid = (int) file_get_contents($pidFile); |
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if ($process->kill($pid, SIGTERM)) { |
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$output->writeln(sprintf('process %s pid %s is killed', $process->getName(), $pid)); |
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} |
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break; |
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case 'status': |
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default: |
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$table = new Table($output); |
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$info = $this->getProcessInfo($name); |
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$rows = [ |
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['name', $process->getName()], |
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['class', get_class($process)], |
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['status', $info[2]], |
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['pid', $info[1]], |
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]; |
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foreach ($options as $key => $value) { |
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$rows[] = [$key, $value]; |
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} |
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$table->setRows($rows); |
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$table->setStyle('compact'); |
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$table->render(); |
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} |
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return 0; |
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} |
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/** |
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* @param InputInterface $input |
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* |
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* @return string |
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*/ |
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protected function targetDirectory(InputInterface $input) |
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{ |
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$pid = $input->getParameterOption(['--path', '-p']); |
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if (empty($pid)) { |
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$path = app()->getPath().'/runtime/process'; |
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} else { |
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$path = dirname($pid); |
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} |
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if (!file_exists($path)) { |
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mkdir($path, 0755, true); |
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} |
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return $this->pidPath = $path; |
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} |
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/** |
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* @param InputInterface $input |
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* @param OutputInterface $output |
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* |
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* @return int |
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*/ |
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protected function showProcesses(InputInterface $input, OutputInterface $output) |
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{ |
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$table = new Table($output); |
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$table->setHeaders(['Process', 'Pid', 'Status', 'Start At', 'Runtime']); |
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$rows = []; |
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foreach (config()->get('processes', []) as $name => $processor) { |
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$rows[] = $this->getProcessInfo($name); |
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} |
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$table->setRows($rows); |
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$table->render(); |
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return 0; |
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} |
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/** |
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* @param $name |
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* |
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* @return array |
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*/ |
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protected function getProcessInfo($name) |
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{ |
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$pidFile = $this->pidPath.'/'.$name.'.pid'; |
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$pid = file_exists($pidFile) ? (int) file_get_contents($pidFile) : ''; |
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$isRunning = false; |
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if (is_numeric($pid)) { |
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$isRunning = process_kill($pid, 0); |
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} |
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return [ |
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$name, |
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$isRunning ? $pid : '', |
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$isRunning ? 'running' : 'stopped', |
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$isRunning ? date('Y-m-d H:i:s', filemtime($pidFile)) : '', |
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$isRunning ? time() - filemtime($pidFile) : '', |
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]; |
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} |
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/** |
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* @param $name |
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* @param $pid |
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* @param int $code |
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* @param int $signal |
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*/ |
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protected function finish($name, $pid, $code = 0, $signal = 0) |
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{ |
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output()->writeln(sprintf('process: %s. pid: %s exit. code: %s. signal: %s', $name, $pid, $code, $signal)); |
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} |
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} |
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JanHuang /
fastD
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.