122 lines
3.8 KiB
PHP
122 lines
3.8 KiB
PHP
<?php
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declare(strict_types=1);
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namespace OpenTelemetry\API;
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use function assert;
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use Closure;
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use const E_USER_WARNING;
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use OpenTelemetry\API\Instrumentation\Configurator;
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use OpenTelemetry\API\Instrumentation\ContextKeys;
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use OpenTelemetry\API\Logs\LoggerProviderInterface;
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use OpenTelemetry\API\Metrics\MeterProviderInterface;
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use OpenTelemetry\API\Trace\TracerProviderInterface;
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use OpenTelemetry\Context\Context;
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use OpenTelemetry\Context\Propagation\TextMapPropagatorInterface;
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use function sprintf;
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use Throwable;
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use function trigger_error;
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/**
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* Provides access to the globally configured instrumentation instances.
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*/
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final class Globals
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{
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/** @var Closure[] */
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private static array $initializers = [];
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private static ?self $globals = null;
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private TracerProviderInterface $tracerProvider;
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private MeterProviderInterface $meterProvider;
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private TextMapPropagatorInterface $propagator;
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private LoggerProviderInterface $loggerProvider;
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public function __construct(
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TracerProviderInterface $tracerProvider,
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MeterProviderInterface $meterProvider,
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LoggerProviderInterface $loggerProvider,
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TextMapPropagatorInterface $propagator
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) {
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$this->tracerProvider = $tracerProvider;
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$this->meterProvider = $meterProvider;
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$this->loggerProvider = $loggerProvider;
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$this->propagator = $propagator;
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}
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public static function tracerProvider(): TracerProviderInterface
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{
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return Context::getCurrent()->get(ContextKeys::tracerProvider()) ?? self::globals()->tracerProvider;
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}
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public static function meterProvider(): MeterProviderInterface
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{
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return Context::getCurrent()->get(ContextKeys::meterProvider()) ?? self::globals()->meterProvider;
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}
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public static function propagator(): TextMapPropagatorInterface
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{
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return Context::getCurrent()->get(ContextKeys::propagator()) ?? self::globals()->propagator;
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}
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public static function loggerProvider(): LoggerProviderInterface
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{
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return Context::getCurrent()->get(ContextKeys::loggerProvider()) ?? self::globals()->loggerProvider;
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}
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/**
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* @param Closure(Configurator): Configurator $initializer
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*
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* @interal
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* @psalm-internal OpenTelemetry
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*/
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public static function registerInitializer(Closure $initializer): void
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{
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self::$initializers[] = $initializer;
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}
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/**
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* @phan-suppress PhanTypeMismatchReturnNullable
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*/
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private static function globals(): self
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{
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if (self::$globals !== null) {
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return self::$globals;
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}
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$configurator = Configurator::createNoop();
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$scope = $configurator->activate();
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try {
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foreach (self::$initializers as $initializer) {
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try {
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$configurator = $initializer($configurator);
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} catch (Throwable $e) {
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trigger_error(sprintf("Error during opentelemetry initialization: %s\n%s", $e->getMessage(), $e->getTraceAsString()), E_USER_WARNING);
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}
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}
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} finally {
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$scope->detach();
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}
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$context = $configurator->storeInContext();
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$tracerProvider = $context->get(ContextKeys::tracerProvider());
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$meterProvider = $context->get(ContextKeys::meterProvider());
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$propagator = $context->get(ContextKeys::propagator());
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$loggerProvider = $context->get(ContextKeys::loggerProvider());
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assert(isset($tracerProvider, $meterProvider, $loggerProvider, $propagator));
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return self::$globals = new self($tracerProvider, $meterProvider, $loggerProvider, $propagator);
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}
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/**
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* @internal
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*/
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public static function reset(): void
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{
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self::$globals = null;
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self::$initializers = [];
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}
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}
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