改名

Kafka/Kafka.php

@@ -4,6 +4,8 @@
 namespace Kafka;
 
 
+use RdKafka\Conf;
+use RdKafka\KafkaConsumer;
 use Snowflake\Exception\ConfigException;
 use Snowflake\Snowflake;
 use Swoole\Coroutine;
@@ -47,32 +49,52 @@ class Kafka extends \Snowflake\Process\Process
 	/**
 	 * @param Process $process
 	 * @throws ConfigException
+	 * @throws \RdKafka\Exception
 	 */
 	public function onHandler(Process $process)
 	{
-		[$consumer, $kafka] = $this->initConfig();
-		if ($kafka['debug'] ?? true) {
-			$consumer->setLogger(new Logger());
+//		[$consumer, $kafka] = $this->initConfig();
+//		if ($kafka['debug'] ?? true) {
+//			$consumer->setLogger(new Logger());
+//		}
+//		$consumer->start(function ($topic, $part, $message) {
+//			$this->channel->push([$topic, $part, $message]);
+//		});
+		$this->channelListener();
+		[$config, $conf] = $this->kafkaConfig();
+		$consumer = new KafkaConsumer($config);
+		$consumer->subscribe($conf['topics']);
+		while (true) {
+			$message = $consumer->consume($conf['metadataRefreshIntervalMs'] ?? 1000);
+			if (empty($message)) {
+				continue;
+			}
+			switch ($message->err) {
+				case RD_KAFKA_RESP_ERR_NO_ERROR:
+					$this->channel->push([$message->topic_name, $message->partition, $message]);
+					break;
+				case RD_KAFKA_RESP_ERR__PARTITION_EOF:
+					echo "No more messages; will wait for more\n";
+					break;
+				case RD_KAFKA_RESP_ERR__TIMED_OUT:
+					echo "Timed out\n";
+					break;
+				default:
+					throw new \Exception($message->errstr(), $message->err);
+			}
 		}
-		$consumer->start(function ($topic, $part, $message) {
-			$this->channel->push([$topic, $part, $message]);
-		});
 	}
 
 
 	/**
 	 * 监听通道数据传递
-	 * @param $config
 	 */
-	public function channelListener($config)
+	public function channelListener()
 	{
-		if (!isset($config['size'])) {
-			$config['size'] = 100;
-		}
-		$this->channel = new Channel($config['size']);
-		Coroutine::create(function () use ($config) {
+		$this->channel = new Channel(100);
+		Coroutine::create(function () {
 			$group = new WaitGroup();
-			for ($i = 0; $i < $config['size']; $i++) {
+			for ($i = 0; $i < 100; $i++) {
 				$group->add();
 				go(function () use ($group) {
 					defer(function () use ($group) {
@@ -111,4 +133,48 @@ class Kafka extends \Snowflake\Process\Process
 	}
 
 
+	/**
+	 * @return array
+	 * @throws ConfigException
+	 */
+	private function kafkaConfig()
+	{
+		$conf = new Conf();
+
+		$kafka = SConfig::get('kafka');
+
+		$rdCb = function (KafkaConsumer $kafka, $err, array $partitions = null) {
+			if ($err == RD_KAFKA_RESP_ERR__ASSIGN_PARTITIONS) {
+				$kafka->assign($partitions);
+			} else if ($err == RD_KAFKA_RESP_ERR__REVOKE_PARTITIONS) {
+				$kafka->assign(NULL);
+			} else {
+				throw new \Exception($err);
+			}
+		};
+		$conf->setRebalanceCb($rdCb);
+		$conf->set('group.id', uniqid('kafka'));
+		$conf->set('metadata.broker.list', $kafka['brokers']);
+		$conf->set('socket.timeout.ms', $kafka['timeout'] ?? 50);
+
+		//多进程和信号
+		if (function_exists('pcntl_sigprocmask')) {
+			pcntl_sigprocmask(SIG_BLOCK, array(SIGIO));
+			$conf->set('internal.termination.signal', SIGIO);
+		} else {
+			$conf->set('queue.buffering.max.ms', 1);
+		}
+
+		$topicConf = new \RdKafka\TopicConf();
+		$topicConf->set('auto.commit.enable', 1);
+		$topicConf->set('auto.commit.interval.ms', 100);
+		$topicConf->set('auto.offset.reset', 'smallest');
+		$topicConf->set('offset.store.path', 'kafka_offset.log');
+
+		$conf->setDefaultTopicConf($topicConf);
+
+		return [$conf, $kafka];
+	}
+
+
 }