mirror of https://tt-rss.org/git/tt-rss.git
70 lines
1.5 KiB
PHP
70 lines
1.5 KiB
PHP
<?php
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use OpenTracing\GlobalTracer;
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use OpenTracing\Scope;
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class Tracer {
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/** @var Tracer $instance */
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private static $instance;
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public function __construct() {
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$jaeger_host = Config::get(Config::JAEGER_REPORTING_HOST);
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if ($jaeger_host) {
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$config = new \Jaeger\Config(
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[
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'sampler' => [
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'type' => \Jaeger\SAMPLER_TYPE_CONST,
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'param' => true,
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],
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'logging' => true,
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"local_agent" => [
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"reporting_host" => $jaeger_host,
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"reporting_port" => 6832
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],
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'dispatch_mode' => \Jaeger\Config::JAEGER_OVER_BINARY_UDP,
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],
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'tt-rss'
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);
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$config->initializeTracer();
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register_shutdown_function(function() {
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$tracer = GlobalTracer::get();
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$tracer->flush();
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});
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}
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}
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/**
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* @param string $name
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* @param array<mixed> $options
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* @param array<string> $args
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* @return Scope
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*/
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private function _start(string $name, array $options = [], array $args = []): Scope {
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$tracer = GlobalTracer::get();
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$options['tags']['args'] = json_encode($args);
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return $tracer->startActiveSpan($name, $options);
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}
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/**
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* @param string $name
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* @param array<string> $options
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* @param array<string> $args
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* @return Scope
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*/
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public static function start(string $name, array $options = [], array $args = []) : Scope {
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return self::get_instance()->_start($name, $options);
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}
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public static function get_instance() : Tracer {
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if (self::$instance == null)
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self::$instance = new self();
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return self::$instance;
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}
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}
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