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<?php |
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declare(strict_types = 1); |
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namespace Innmind\Server\Status\Server\Processes; |
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use Innmind\Server\Status\{ |
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Server\Processes, |
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Server\Process, |
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Server\Process\Pid, |
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Server\Process\User, |
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Server\Process\Command, |
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Server\Process\Memory, |
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Server\Cpu\Percentage, |
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Exception\InformationNotAccessible |
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}; |
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use Innmind\TimeContinuum\TimeContinuumInterface; |
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use Innmind\Immutable\{ |
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MapInterface, |
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Str, |
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StreamInterface, |
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Sequence, |
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Map |
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}; |
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use Symfony\Component\Process\Process as SfProcess; |
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final class UnixProcesses implements Processes |
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{ |
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private $clock; |
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public function __construct(TimeContinuumInterface $clock) |
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{ |
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$this->clock = $clock; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function all(): MapInterface |
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{ |
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return $this->parse( |
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$this->run('ps aux') |
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); |
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} |
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public function get(Pid $pid): Process |
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{ |
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$flag = PHP_OS === 'Linux' ? 'q' : 'p'; |
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return $this |
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->parse($this->run(sprintf('ps ux -%s %s', $flag, $pid))) |
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->get($pid->toInt()); |
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} |
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2 |
View Code Duplication |
private function run(string $command): Str |
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{ |
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$process = new SfProcess($command); |
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$process->run(); |
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if (!$process->isSuccessful()) { |
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throw new InformationNotAccessible; |
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} |
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return new Str($process->getOutput()); |
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} |
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/** |
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* @return MapInterface<int, Process> |
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*/ |
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private function parse(Str $output): MapInterface |
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{ |
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$lines = $output |
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->trim() |
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->split("\n"); |
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$columns = $lines |
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->first() |
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->pregSplit('~ +~') |
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->reduce( |
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new Sequence, |
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static function(Sequence $columns, Str $column): Sequence { |
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return $columns->add((string) $column); |
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} |
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); |
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return $lines |
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->drop(1) |
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->reduce( |
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new Sequence, |
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static function(Sequence $lines, Str $line) use ($columns): Sequence { |
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return $lines->add( |
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$line->pregSplit('~ +~', $columns->size()) |
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); |
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} |
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) |
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->map(function(StreamInterface $parts) use ($columns): Process { |
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return new Process( |
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new Pid((int) (string) $parts->get($columns->indexOf('PID'))), |
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new User((string) $parts->get($columns->indexOf('USER'))), |
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new Percentage((float) (string) $parts->get($columns->indexOf('%CPU'))), |
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new Memory((float) (string) $parts->get($columns->indexOf('%MEM'))), |
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$this->clock->at( |
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(string) $parts->get( |
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$columns->indexOf(PHP_OS === 'Linux' ? 'START' : 'STARTED') |
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) |
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), |
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new Command((string) $parts->get($columns->indexOf('COMMAND'))) |
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); |
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}) |
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->reduce( |
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new Map('int', Process::class), |
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static function(Map $processes, Process $process): Map { |
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return $processes->put( |
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$process->pid()->toInt(), |
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$process |
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); |
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} |
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); |
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} |
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} |
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Innmind /
ServerStatus
