/**
* 消费初始化
* @param $groupName
* @param string $configKey
* @throws Exception
*/
function getCustomerInstance($groupName, $configKey = "default")
{
$configObj = new Config("kfk");
$config = $configObj->get($configKey);
try {
$conf = new \RdKafka\Conf();
$conf->setRebalanceCb(function (\RdKafka\KafkaConsumer $kafka, $err, array $partitions = null) {
switch ($err) {
case RD_KAFKA_RESP_ERR__ASSIGN_PARTITIONS:
// echo "Assign: ";
// var_dump($partitions);
$kafka->assign($partitions);
break;
case RD_KAFKA_RESP_ERR__REVOKE_PARTITIONS:
// echo "Revoke: ";
// var_dump($partitions);
$kafka->assign(NULL);
break;
default:
throw new \Exception($err);
}
});
$conf->set('group.id', $groupName);
$conf->set('metadata.broker.list', $config);
$topicConf = new \RdKafka\TopicConf();
$topicConf->set('auto.offset.reset', 'smallest');
$conf->setDefaultTopicConf($topicConf);
$rk = new \RdKafka\KafkaConsumer($conf);
$this->type = 1;
$this->rk = $rk;
} catch (\Exception $e) {
throw new \Exception($e->getMessage());
}
}
