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<?php
/**
* Spiral Framework.
*
* @license MIT
* @author Anton Titov (Wolfy-J)
*/
declare(strict_types=1);
namespace Spiral\RoadRunner;
use Spiral\Goridge\Exceptions\RPCException;
use Spiral\Goridge\RPC;
use Spiral\RoadRunner\Exception\MetricException;
/**
* Application metrics.
*/
final class Metrics implements MetricsInterface
{
/** @var RPC */
private $rpc;
/**
* @param RPC $rpc
*/
public function __construct(RPC $rpc)
{
$this->rpc = $rpc;
}
/**
* Add collector value. Fallback to appropriate method of related collector.
*
* @param string $name
* @param float $value
* @param array $labels
*
* @throws MetricException
*/
public function add(string $name, float $value, array $labels = [])
{
try {
$this->rpc->call('metrics.Add', compact('name', 'value', 'labels'));
} catch (RPCException $e) {
throw new MetricException($e->getMessage(), $e->getCode(), $e);
}
}
/**
* Subtract the collector value, only for gauge collector.
*
* @param string $name
* @param float $value
* @param array $labels
*
* @throws MetricException
*/
public function sub(string $name, float $value, array $labels = [])
{
try {
$this->rpc->call('metrics.Sub', compact('name', 'value', 'labels'));
} catch (RPCException $e) {
throw new MetricException($e->getMessage(), $e->getCode(), $e);
}
}
/**
* Observe collector value, only for histogram and summary collectors.
*
* @param string $name
* @param float $value
* @param array $labels
*
* @throws MetricException
*/
public function observe(string $name, float $value, array $labels = [])
{
try {
$this->rpc->call('metrics.Observe', compact('name', 'value', 'labels'));
} catch (RPCException $e) {
throw new MetricException($e->getMessage(), $e->getCode(), $e);
}
}
/**
* Set collector value, only for gauge collector.
*
* @param string $name
* @param float $value
* @param array $labels
*
* @throws MetricException
*/
public function set(string $name, float $value, array $labels = [])
{
try {
$this->rpc->call('metrics.Set', compact('name', 'value', 'labels'));
} catch (RPCException $e) {
throw new MetricException($e->getMessage(), $e->getCode(), $e);
}
}
}
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