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<?php |
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/** |
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* Daemon program |
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* User: moyo |
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* Date: 28/12/2017 |
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* Time: 3:47 PM |
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*/ |
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namespace Carno\Monitor; |
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use Carno\Container\DI; |
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use Carno\Monitor\Chips\Trunking; |
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use Carno\Monitor\Collector\Aggregator; |
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use Carno\Monitor\Collector\Cleaner; |
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use Carno\Monitor\Output\Prometheus; |
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use Carno\Net\Address; |
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use Carno\Process\Piping; |
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use Carno\Process\Program; |
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use Carno\Promise\Promised; |
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class Daemon extends Program |
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{ |
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use Trunking; |
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/** |
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* @var string |
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*/ |
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protected $name = 'metrics.exporter'; |
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/** |
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* @var string |
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*/ |
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private $host = null; |
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/** |
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* @var string |
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*/ |
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private $app = null; |
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/** |
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* @var Cleaner |
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*/ |
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private $cls = null; |
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/** |
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* @var Aggregator |
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*/ |
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private $agg = null; |
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/** |
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* @var Prometheus |
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*/ |
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private $out = null; |
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/** |
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* @var Address |
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*/ |
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private $listener = null; |
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/** |
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* @var Address |
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*/ |
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private $gateway = null; |
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/** |
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* Daemon constructor. |
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* @param string $app |
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* @param Address $listener |
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* @param Address $gateway |
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*/ |
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public function __construct(string $app, Address $listener = null, Address $gateway = null) |
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{ |
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$this->host = gethostname(); |
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$this->app = $app; |
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$this->listener = $listener; |
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$this->gateway = $gateway; |
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} |
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/** |
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* @param Piping $piping |
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*/ |
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protected function forking(Piping $piping) : void |
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{ |
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DI::set(Daemon::class, $piping); |
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} |
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/** |
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* triggered when process started |
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*/ |
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protected function starting() : void |
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{ |
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$this->agg = (new Aggregator($this))->start(); |
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$this->out = (new Prometheus($this->host, $this->app, $this->agg))->start($this->listener, $this->gateway); |
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$this->cls = (new Cleaner($this))->start(); |
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} |
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/** |
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* triggered when process exiting |
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* @param Promised $wait |
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*/ |
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protected function stopping(Promised $wait) : void |
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{ |
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$this->cls->stop(); |
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$this->out->stop(); |
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$this->agg->stop()->sync($wait); |
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} |
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} |
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