1 files changed, 148 insertions, 0 deletions
diff --git a/vendor/open-telemetry/sdk/Trace/SpanLimitsBuilder.php b/vendor/open-telemetry/sdk/Trace/SpanLimitsBuilder.php
new file mode 100644
index 000000000..11ed5a82b
--- /dev/null
+++ b/vendor/open-telemetry/sdk/Trace/SpanLimitsBuilder.php
@@ -0,0 +1,148 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\SDK\Trace;
+
+use OpenTelemetry\SDK\Common\Attribute\Attributes;
+use OpenTelemetry\SDK\Common\Attribute\FilteredAttributesFactory;
+use OpenTelemetry\SDK\Common\Configuration\Configuration;
+use OpenTelemetry\SDK\Common\Configuration\Variables as Env;
+use OpenTelemetry\SemConv\TraceAttributes;
+use const PHP_INT_MAX;
+
+class SpanLimitsBuilder
+{
+    /** @var ?int Maximum allowed attribute count per record */
+    private ?int $attributeCountLimit = null;
+
+    /** @var ?int Maximum allowed attribute value length */
+    private ?int $attributeValueLengthLimit = null;
+
+    /** @var ?int Maximum allowed span event count */
+    private ?int $eventCountLimit = null;
+
+    /** @var ?int Maximum allowed span link count */
+    private ?int $linkCountLimit = null;
+
+    /** @var ?int Maximum allowed attribute per span event count */
+    private ?int $attributePerEventCountLimit = null;
+
+    /** @var ?int Maximum allowed attribute per span link count */
+    private ?int $attributePerLinkCountLimit = null;
+
+    private bool $retainGeneralIdentityAttributes = false;
+
+    /**
+     * @param int $attributeCountLimit Maximum allowed attribute count per record
+     */
+    public function setAttributeCountLimit(int $attributeCountLimit): SpanLimitsBuilder
+    {
+        $this->attributeCountLimit = $attributeCountLimit;
+
+        return $this;
+    }
+
+    /**
+     * @param int $attributeValueLengthLimit Maximum allowed attribute value length
+     */
+    public function setAttributeValueLengthLimit(int $attributeValueLengthLimit): SpanLimitsBuilder
+    {
+        $this->attributeValueLengthLimit = $attributeValueLengthLimit;
+
+        return $this;
+    }
+
+    /**
+     * @param int $eventCountLimit Maximum allowed span event count
+     */
+    public function setEventCountLimit(int $eventCountLimit): SpanLimitsBuilder
+    {
+        $this->eventCountLimit = $eventCountLimit;
+
+        return $this;
+    }
+
+    /**
+     * @param int $linkCountLimit Maximum allowed span link count
+     */
+    public function setLinkCountLimit(int $linkCountLimit): SpanLimitsBuilder
+    {
+        $this->linkCountLimit = $linkCountLimit;
+
+        return $this;
+    }
+
+    /**
+     * @param int $attributePerEventCountLimit Maximum allowed attribute per span event count
+     */
+    public function setAttributePerEventCountLimit(int $attributePerEventCountLimit): SpanLimitsBuilder
+    {
+        $this->attributePerEventCountLimit = $attributePerEventCountLimit;
+
+        return $this;
+    }
+
+    /**
+     * @param int $attributePerLinkCountLimit Maximum allowed attribute per span link count
+     */
+    public function setAttributePerLinkCountLimit(int $attributePerLinkCountLimit): SpanLimitsBuilder
+    {
+        $this->attributePerLinkCountLimit = $attributePerLinkCountLimit;
+
+        return $this;
+    }
+
+    /**
+     * @param bool $retain whether general identity attributes should be retained
+     *
+     * @see https://github.com/open-telemetry/semantic-conventions/blob/main/docs/general/attributes.md#general-identity-attributes
+     */
+    public function retainGeneralIdentityAttributes(bool $retain = true): SpanLimitsBuilder
+    {
+        $this->retainGeneralIdentityAttributes = $retain;
+
+        return $this;
+    }
+
+    /**
+     * @see https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/configuration/sdk-environment-variables.md#span-limits
+     */
+    public function build(): SpanLimits
+    {
+        $attributeCountLimit = $this->attributeCountLimit
+            ?: Configuration::getInt(Env::OTEL_SPAN_ATTRIBUTE_COUNT_LIMIT, SpanLimits::DEFAULT_SPAN_ATTRIBUTE_COUNT_LIMIT);
+        $attributeValueLengthLimit = $this->attributeValueLengthLimit
+            ?: Configuration::getInt(Env::OTEL_SPAN_ATTRIBUTE_VALUE_LENGTH_LIMIT, SpanLimits::DEFAULT_SPAN_ATTRIBUTE_LENGTH_LIMIT);
+        $eventCountLimit = $this->eventCountLimit
+            ?: Configuration::getInt(Env::OTEL_SPAN_EVENT_COUNT_LIMIT, SpanLimits::DEFAULT_SPAN_EVENT_COUNT_LIMIT);
+        $linkCountLimit = $this->linkCountLimit
+            ?: Configuration::getInt(Env::OTEL_SPAN_LINK_COUNT_LIMIT, SpanLimits::DEFAULT_SPAN_LINK_COUNT_LIMIT);
+        $attributePerEventCountLimit = $this->attributePerEventCountLimit
+            ?: Configuration::getInt(Env::OTEL_EVENT_ATTRIBUTE_COUNT_LIMIT, SpanLimits::DEFAULT_EVENT_ATTRIBUTE_COUNT_LIMIT);
+        $attributePerLinkCountLimit = $this->attributePerLinkCountLimit
+            ?: Configuration::getInt(Env::OTEL_LINK_ATTRIBUTE_COUNT_LIMIT, SpanLimits::DEFAULT_LINK_ATTRIBUTE_COUNT_LIMIT);
+
+        if ($attributeValueLengthLimit === PHP_INT_MAX) {
+            $attributeValueLengthLimit = null;
+        }
+
+        $spanAttributesFactory = Attributes::factory($attributeCountLimit, $attributeValueLengthLimit);
+
+        if (!$this->retainGeneralIdentityAttributes) {
+            $spanAttributesFactory = new FilteredAttributesFactory($spanAttributesFactory, [
+                TraceAttributes::ENDUSER_ID,
+                TraceAttributes::ENDUSER_ROLE,
+                TraceAttributes::ENDUSER_SCOPE,
+            ]);
+        }
+
+        return new SpanLimits(
+            $spanAttributesFactory,
+            Attributes::factory($attributePerEventCountLimit, $attributeValueLengthLimit),
+            Attributes::factory($attributePerLinkCountLimit, $attributeValueLengthLimit),
+            $eventCountLimit,
+            $linkCountLimit,
+        );
+    }
+}