1 files changed, 52 insertions, 0 deletions
diff --git a/vendor/open-telemetry/sdk/Trace/Tracer.php b/vendor/open-telemetry/sdk/Trace/Tracer.php
new file mode 100644
index 000000000..913773f60
--- /dev/null
+++ b/vendor/open-telemetry/sdk/Trace/Tracer.php
@@ -0,0 +1,52 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\SDK\Trace;
+
+use function ctype_space;
+use OpenTelemetry\API\Trace as API;
+use OpenTelemetry\Context\Context;
+use OpenTelemetry\SDK\Common\Instrumentation\InstrumentationScopeInterface;
+
+class Tracer implements API\TracerInterface
+{
+    public const FALLBACK_SPAN_NAME = 'empty';
+
+    /** @readonly */
+    private TracerSharedState $tracerSharedState;
+
+    /** @readonly */
+    private InstrumentationScopeInterface $instrumentationScope;
+
+    public function __construct(
+        TracerSharedState $tracerSharedState,
+        InstrumentationScopeInterface $instrumentationScope
+    ) {
+        $this->tracerSharedState = $tracerSharedState;
+        $this->instrumentationScope = $instrumentationScope;
+    }
+
+    /** @inheritDoc */
+    public function spanBuilder(string $spanName): API\SpanBuilderInterface
+    {
+        if (ctype_space($spanName)) {
+            $spanName = self::FALLBACK_SPAN_NAME;
+        }
+
+        if ($this->tracerSharedState->hasShutdown()) {
+            return new API\NoopSpanBuilder(Context::storage());
+        }
+
+        return new SpanBuilder(
+            $spanName,
+            $this->instrumentationScope,
+            $this->tracerSharedState,
+        );
+    }
+
+    public function getInstrumentationScope(): InstrumentationScopeInterface
+    {
+        return $this->instrumentationScope;
+    }
+}