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<?php
declare(strict_types=1);
namespace OpenTelemetry\SDK\Trace\SpanExporter;
use JsonException;
use OpenTelemetry\API\Behavior\LogsMessagesTrait;
use OpenTelemetry\SDK\Common\Export\TransportInterface;
use OpenTelemetry\SDK\Common\Future\CancellationInterface;
use OpenTelemetry\SDK\Common\Future\FutureInterface;
use OpenTelemetry\SDK\Trace\Behavior\UsesSpanConverterTrait;
use OpenTelemetry\SDK\Trace\SpanConverterInterface;
use OpenTelemetry\SDK\Trace\SpanExporterInterface;
class ConsoleSpanExporter implements SpanExporterInterface
{
use UsesSpanConverterTrait;
use LogsMessagesTrait;
private TransportInterface $transport;
public function __construct(TransportInterface $transport, ?SpanConverterInterface $converter = null)
{
$this->transport = $transport;
$this->setSpanConverter($converter ?? new FriendlySpanConverter());
}
public function export(iterable $batch, ?CancellationInterface $cancellation = null): FutureInterface
{
$payload = '';
foreach ($batch as $span) {
try {
$payload .= json_encode(
$this->getSpanConverter()->convert([$span]),
JSON_THROW_ON_ERROR | JSON_PRETTY_PRINT
) . PHP_EOL;
} catch (JsonException $e) {
self::logWarning('Error converting span: ' . $e->getMessage());
}
}
return $this->transport->send($payload)
->map(fn () => true)
->catch(fn () => false);
}
public function shutdown(?CancellationInterface $cancellation = null): bool
{
return $this->transport->shutdown();
}
public function forceFlush(?CancellationInterface $cancellation = null): bool
{
return $this->transport->forceFlush();
}
}
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