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<?php
/**
* Pool stats exporter
* User: moyo
* Date: 2018/5/19
* Time: 5:11 PM
*/
namespace Carno\Monitor\Builtin;
use Carno\Monitor\Metrics;
use Carno\Monitor\Metrics\Gauge;
use Carno\Monitor\Ticker;
use Carno\Pool\Pool;
class PoolStatsExporter
{
* @var string
private $tick = null;
* PoolStatsExporter constructor.
* @param Pool $pool
public function __construct(Pool $pool)
$labels = [
'resource' => $pool->resource(),
'pid' => spl_object_hash($pool),
];
$this->tick = Ticker::new(
[
Metrics::gauge()->named('pool.conn.idle')->labels($labels),
Metrics::gauge()->named('pool.conn.busy')->labels($labels),
Metrics::gauge()->named('pool.select.wait')->labels($labels),
],
static function (Gauge $idle, Gauge $busy, Gauge $wait) use ($pool) {
$idle->set($pool->stats()->cIdling());
$busy->set($pool->stats()->cBusying());
$wait->set($pool->stats()->sPending());
}
);
public function stop() : void
Ticker::stop($this->tick);
carno-php /
monitor
