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<?php |
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/** |
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* Created by PhpStorm. |
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* User: Petrica |
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* Date: 5/29/2016 |
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* Time: 0:01 |
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*/ |
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namespace Petrica\StatsdSystem\Model; |
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use Tivie\Command\Argument; |
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use Tivie\Command\Command; |
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/** |
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* Class TopCommand |
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* |
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* Return parsed unix top command information |
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* |
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* @package Petrica\StatsdTop\Model |
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*/ |
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class TopCommand |
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{ |
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/** |
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* Command to run in order to return git tags |
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* |
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* @var null|Command |
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*/ |
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protected $command = null; |
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public function __construct() |
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{ |
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$this->command = $this->buildCommand(); |
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} |
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/** |
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* Run configured command |
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* |
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* @return string |
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*/ |
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public function run() |
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{ |
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$result = $this->getCommand()->run(); |
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if ($result->getExitCode() != 0) { |
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throw new \RuntimeException(sprintf( |
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'Command failed. Exit code %d, output %s', |
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$result->getExitCode(), |
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1 |
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$result->getStdErr())); |
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} |
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return $this->parse($result->getStdOut()); |
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} |
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/** |
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* Parse top utility command output |
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* |
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* Returns an array of lines with the same top columns |
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* |
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* @param $output |
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* @return array |
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*/ |
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protected function parse($output) |
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{ |
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$lines = explode(PHP_EOL, $output); |
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$stats = array(); |
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foreach ($lines as $line) { |
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$data = explode(' ', $line); |
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array_walk($data, 'trim'); |
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$stats[] = array_values(array_filter($data, function ($value) { |
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return strlen($value) > 0; |
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})); |
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} |
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return $stats; |
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} |
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/** |
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* Build commit command |
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* |
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* @return Command |
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* @throws \Tivie\Command\Exception\Exception |
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* @throws \Tivie\Command\Exception\InvalidArgumentException |
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*/ |
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protected function buildCommand() |
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{ |
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$command = new Command(\Tivie\Command\ESCAPE); |
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$command |
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->setCommand('top') |
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->addArgument(new Argument('-b')) |
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->addArgument(new Argument('-n', 1)); |
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return $command; |
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} |
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/** |
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* @return null|Command |
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*/ |
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protected function getCommand() |
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{ |
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return $this->command; |
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} |
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} |
petrica /
php-statsd-system
