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<?php |
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/** |
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* Zipkin implementer |
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* User: moyo |
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* Date: 23/11/2017 |
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* Time: 4:22 PM |
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*/ |
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namespace Carno\Traced\Platform; |
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use Carno\Config\Config; |
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use Carno\Promise\Promise; |
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use Carno\Promise\Promised; |
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use Carno\Traced\Chips\TransportObserve; |
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use Carno\Traced\Chips\TransportSync; |
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use Carno\Traced\Contracts\Observer; |
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use Carno\Traced\Protocol\AlwaysNone; |
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use Carno\Traced\Protocol\ZipkinJFV2; |
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use Carno\Traced\Transport\Blackhole; |
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use Carno\Traced\Transport\UDPRelays; |
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use Carno\Traced\Transport\ZipkinHAV2; |
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use Carno\Traced\Utils\Environment; |
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use Carno\Tracing\Contracts\Carrier; |
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use Carno\Tracing\Contracts\Env; |
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use Carno\Tracing\Contracts\Platform; |
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use Carno\Tracing\Contracts\Protocol; |
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use Carno\Tracing\Contracts\Transport; |
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use Carno\Tracing\Standard\Carriers\HTTP; |
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use Throwable; |
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class Zipkin implements Platform, Observer |
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{ |
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use TransportSync; |
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use TransportObserve; |
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/** |
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* @var Environment |
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*/ |
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private $env = null; |
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/** |
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* @var Config |
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*/ |
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private $conf = null; |
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/** |
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* @var Carrier |
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*/ |
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private $carrier = null; |
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/** |
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* @var Protocol |
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*/ |
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private $protocol = null; |
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/** |
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* @var Transport |
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*/ |
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private $transport = null; |
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/** |
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* Zipkin constructor. |
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* @param Config $config |
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*/ |
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public function __construct(Config $config) |
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{ |
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$this->conf = $config; |
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$this->env = new Environment(); |
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$this->carrier = new HTTP(); |
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} |
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/** |
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* @return Promised |
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*/ |
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public function init() : Promised |
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{ |
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$this->syncing( |
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$this->conf, |
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'tracing.addr', |
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[ |
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'zipkin' => [ZipkinHAV2::class, ZipkinJFV2::class], |
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'udp' => [UDPRelays::class, ZipkinJFV2::class], |
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], |
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function (Transport $transport = null, Protocol $protocol = null) { |
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$this->transport && $this->transport->disconnect(); |
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$this->transport = $transport; |
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$this->protocol = $protocol; |
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$this->changed($transport); |
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}, |
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static function (Throwable $e) { |
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logger('traced')->warning('Transport initialize failed', [ |
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'p' => 'zipkin', |
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'ec' => get_class($e), |
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'em' => $e->getMessage(), |
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]); |
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} |
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); |
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return Promise::resolved(); |
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} |
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/** |
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* @return Environment |
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*/ |
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public function env() : Env |
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{ |
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return $this->env; |
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} |
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/** |
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* @return bool |
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*/ |
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public function joined() : bool |
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{ |
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return $this->carrier && $this->protocol && $this->transport; |
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} |
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/** |
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* @return Promised |
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*/ |
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public function leave() : Promised |
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{ |
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return $this->transport ? $this->transport->disconnect() : Promise::resolved(); |
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} |
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/** |
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* @return Carrier |
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*/ |
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public function carrier() : Carrier |
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{ |
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return $this->carrier; |
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} |
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/** |
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* @return Protocol |
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*/ |
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public function serializer() : Protocol |
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{ |
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return $this->protocol ?? new AlwaysNone(); |
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} |
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/** |
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* @return Transport |
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*/ |
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public function transporter() : Transport |
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{ |
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return $this->transport ?? new Blackhole(); |
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} |
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} |
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carno-php /
traced
