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<?php
use OpenTracing\GlobalTracer;
use OpenTracing\Scope;
class Tracer {
private static $instance;
public function __construct() {
$config = new \Jaeger\Config(
[
'sampler' => [
'type' => \Jaeger\SAMPLER_TYPE_CONST,
'param' => true,
],
'logging' => true,
"local_agent" => [
"reporting_host" => "172.17.172.39",
"reporting_port" => 6832
],
'dispatch_mode' => \Jaeger\Config::JAEGER_OVER_BINARY_UDP,
],
'tt-rss'
);
$config->initializeTracer();
register_shutdown_function(function() {
$tracer = GlobalTracer::get();
$tracer->flush();
});
}
private function _start(string $name, array $options = []) {
$tracer = GlobalTracer::get();
return $tracer->startActiveSpan($name, $options);
}
public static function start(string $name, array $options = []) : Scope {
return self::get_instance()->_start($name, $options);
}
public static function get_instance() : Tracer {
if (self::$instance == null)
self::$instance = new self();
return self::$instance;
}
}
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