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vendor/symfony/var-dumper/Caster/RdKafkaCaster.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+use RdKafka\Conf;
+use RdKafka\Exception as RdKafkaException;
+use RdKafka\KafkaConsumer;
+use RdKafka\Message;
+use RdKafka\Metadata\Broker as BrokerMetadata;
+use RdKafka\Metadata\Collection as CollectionMetadata;
+use RdKafka\Metadata\Partition as PartitionMetadata;
+use RdKafka\Metadata\Topic as TopicMetadata;
+use RdKafka\Topic;
+use RdKafka\TopicConf;
+use RdKafka\TopicPartition;
+use Symfony\Component\VarDumper\Cloner\Stub;
+
+/**
+ * Casts RdKafka related classes to array representation.
+ *
+ * @author Romain Neutron <imprec@gmail.com>
+ */
+class RdKafkaCaster
+{
+    public static function castKafkaConsumer(KafkaConsumer $c, array $a, Stub $stub, bool $isNested)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        try {
+            $assignment = $c->getAssignment();
+        } catch (RdKafkaException $e) {
+            $assignment = [];
+        }
+
+        $a += [
+            $prefix.'subscription' => $c->getSubscription(),
+            $prefix.'assignment' => $assignment,
+        ];
+
+        $a += self::extractMetadata($c);
+
+        return $a;
+    }
+
+    public static function castTopic(Topic $c, array $a, Stub $stub, bool $isNested)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        $a += [
+            $prefix.'name' => $c->getName(),
+        ];
+
+        return $a;
+    }
+
+    public static function castTopicPartition(TopicPartition $c, array $a)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        $a += [
+            $prefix.'offset' => $c->getOffset(),
+            $prefix.'partition' => $c->getPartition(),
+            $prefix.'topic' => $c->getTopic(),
+        ];
+
+        return $a;
+    }
+
+    public static function castMessage(Message $c, array $a, Stub $stub, bool $isNested)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        $a += [
+            $prefix.'errstr' => $c->errstr(),
+        ];
+
+        return $a;
+    }
+
+    public static function castConf(Conf $c, array $a, Stub $stub, bool $isNested)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        foreach ($c->dump() as $key => $value) {
+            $a[$prefix.$key] = $value;
+        }
+
+        return $a;
+    }
+
+    public static function castTopicConf(TopicConf $c, array $a, Stub $stub, bool $isNested)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        foreach ($c->dump() as $key => $value) {
+            $a[$prefix.$key] = $value;
+        }
+
+        return $a;
+    }
+
+    public static function castRdKafka(\RdKafka $c, array $a, Stub $stub, bool $isNested)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        $a += [
+            $prefix.'out_q_len' => $c->getOutQLen(),
+        ];
+
+        $a += self::extractMetadata($c);
+
+        return $a;
+    }
+
+    public static function castCollectionMetadata(CollectionMetadata $c, array $a, Stub $stub, bool $isNested)
+    {
+        $a += iterator_to_array($c);
+
+        return $a;
+    }
+
+    public static function castTopicMetadata(TopicMetadata $c, array $a, Stub $stub, bool $isNested)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        $a += [
+            $prefix.'name' => $c->getTopic(),
+            $prefix.'partitions' => $c->getPartitions(),
+        ];
+
+        return $a;
+    }
+
+    public static function castPartitionMetadata(PartitionMetadata $c, array $a, Stub $stub, bool $isNested)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        $a += [
+            $prefix.'id' => $c->getId(),
+            $prefix.'err' => $c->getErr(),
+            $prefix.'leader' => $c->getLeader(),
+        ];
+
+        return $a;
+    }
+
+    public static function castBrokerMetadata(BrokerMetadata $c, array $a, Stub $stub, bool $isNested)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        $a += [
+            $prefix.'id' => $c->getId(),
+            $prefix.'host' => $c->getHost(),
+            $prefix.'port' => $c->getPort(),
+        ];
+
+        return $a;
+    }
+
+    private static function extractMetadata($c)
+    {
+        $prefix = Caster::PREFIX_VIRTUAL;
+
+        try {
+            $m = $c->getMetadata(true, null, 500);
+        } catch (RdKafkaException $e) {
+            return [];
+        }
+
+        return [
+            $prefix.'orig_broker_id' => $m->getOrigBrokerId(),
+            $prefix.'orig_broker_name' => $m->getOrigBrokerName(),
+            $prefix.'brokers' => $m->getBrokers(),
+            $prefix.'topics' => $m->getTopics(),
+        ];
+    }
+}