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Http.php
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Http.php
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<?php
namespace Zipkin\Reporters;
use RuntimeException;
use Zipkin\Recording\Span;
use Zipkin\Reporter;
use Zipkin\Reporters\Http\ClientFactory;
use Zipkin\Reporters\Http\CurlFactory;
final class Http implements Reporter
{
const DEFAULT_OPTIONS = [
'endpoint_url' => 'http://localhost:9411/api/v2/spans',
];
/**
* @var CurlFactory
*/
private $clientFactory;
/**
* @var array
*/
private $options;
/**
* @var Metrics
*/
private $reportMetrics;
public function __construct(
ClientFactory $requesterFactory = null,
array $options = [],
Metrics $reporterMetrics = null
) {
$this->clientFactory = $requesterFactory ?: CurlFactory::create();
$this->options = array_merge(self::DEFAULT_OPTIONS, $options);
$this->reportMetrics = $reporterMetrics ?: new NoopMetrics();
}
/**
* @param Span[] $spans
* @return void
*/
public function report(array $spans)
{
if (count($spans) === 0) {
return;
}
$payload = json_encode(array_map(function (Span $span) {
return $span->toArray();
}, $spans));
$this->reportMetrics->incrementSpans(count($spans));
$this->reportMetrics->incrementMessages();
$payloadLength = strlen($payload);
$this->reportMetrics->incrementSpanBytes($payloadLength);
$this->reportMetrics->incrementMessageBytes($payloadLength);
$client = $this->clientFactory->build($this->options);
try {
$client($payload);
} catch (RuntimeException $e) {
$this->reportMetrics->incrementSpansDropped(count($spans));
$this->reportMetrics->incrementMessagesDropped($e);
}
}
}