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How to use consumeMessages method of kafka Package

Best Venom code snippet using kafka.consumeMessages

main.go

Source:main.go

...46		log.Fatal("Error in SubscribeTopics.", err)47	}4849	// Start consuming messages50	go consumeMessages(c)5152	// Start capturing53	fmt.Println("Capturing. Point your browser to " + nodeport)5455	// Start http server56	http.Handle("/", stream)57	log.Fatal(http.ListenAndServe(displayport, nil))58}5960func consumeMessages(c *kafka.Consumer) {61	defer func() {62		if r := recover(); r != nil {63			log.Println("main.consumeMessages():PANICKED AND RESTARTING")64			log.Println("Panic:", r)65			go consumeMessages(c)66		}67	}()6869	doc := &topicMsg{}7071	// Consume messages72	for e := range c.Events() {73		switch ev := e.(type) {74		case kafka.AssignedPartitions:75			log.Printf("%% %v\n", ev)76			c.Assign(ev.Partitions)77			continue78		case kafka.RevokedPartitions:79			log.Printf("%% %v\n", ev)
...

emitters_test.go

Source:emitters_test.go

...29	loggerConfig.ProducerConfig = DefaultProducerConfig()30	loggerConfig.ProducerConfig.BrokerList = []string{localBroker}31	logger := NewKafkaLogEmitter(loggerConfig)32	logger.Info("Message sent at %d", time.Now().Unix())33	consumeMessages := 134	consumeStatus := make(chan int)35	delayTimeout := 10 * time.Second36	config := testConsumerConfig()37	config.Strategy = newCountingStrategy(t, consumeMessages, consumeTimeout, consumeStatus)38	consumer := NewConsumer(config)39	go consumer.StartStatic(map[string]int{topic: 1})40	if actual := <-consumeStatus; actual != consumeMessages {41		t.Errorf("Failed to consume %d messages within %s. Actual messages = %d", consumeMessages, consumeTimeout, actual)42	}43	closeWithin(t, delayTimeout, consumer)44}45func TestMetricsEmitter(t *testing.T) {46	partitions := 147	topic := fmt.Sprintf("testMetricsEmitter-%d", time.Now().Unix())48	CreateMultiplePartitionsTopic(localZk, topic, partitions)49	EnsureHasLeader(localZk, topic)50	consumeMessages := 151	consumeStatus := make(chan int)52	delayTimeout := 10 * time.Second53	metricsProducerConfig := DefaultProducerConfig()54	metricsProducerConfig.BrokerList = []string{localBroker}55	reporter := NewCodahaleKafkaReporter(topic, schemaRepositoryUrl, metricsProducerConfig)56	config := testConsumerConfig()57	config.Strategy = newCountingStrategy(t, consumeMessages, consumeTimeout, consumeStatus)58	consumer := NewConsumer(config)59	go consumer.Metrics().WriteJSON(10*time.Second, reporter)60	go consumer.StartStatic(map[string]int{topic: 1})61	if actual := <-consumeStatus; actual != consumeMessages {62		t.Errorf("Failed to consume %d messages within %s. Actual messages = %d", consumeMessages, consumeTimeout, actual)63	}64	closeWithin(t, delayTimeout, consumer)65}...

consumeMessages

Using AI Code Generation

1import (2func main() {3	brokers := []string{"kafka:9092"}4	consumer, err := sarama.NewConsumerGroup(brokers, consumerGroup, nil)5	if err != nil {6		panic(err)7	}8	defer func() {9		if err := consumer.Close(); err != nil {10			log.Panicf("Error closing client: %v", err)11		}12	}()13	ctx := context.Background()14	consumer.Consume(ctx, []string{topic}, &consumerGroupHandler{})15}16type consumerGroupHandler struct{}17func (consumerGroupHandler) Setup(_ sarama.ConsumerGroupSession) error   { return nil }18func (consumerGroupHandler) Cleanup(_ sarama.ConsumerGroupSession) error { return nil }19func (h consumerGroupHandler) ConsumeClaim(sess sarama.ConsumerGroupSession, claim sarama.ConsumerGroupClaim) error {20	for message := range claim.Messages() {21		fmt.Printf("Message claimed: value = %s, timestamp = %v, topic = %s22", string(message.Value), message.Timestamp, message.Topic)23		sess.MarkMessage(message, "")24	}25}26import (27func main() {28	brokers := []string{"kafka:9092"}29	producer, err := sarama.NewSyncProducer(brokers, nil)30	if err != nil {31		panic(err)32	}33	defer func() {34		if err := producer.Close(); err != nil {35			log.Panicf("Error closing client: %v", err)36		}37	}()38	for i := 0; i < 100; i++ {39		message := &sarama.ProducerMessage{

consumeMessages

Using AI Code Generation

1import (2func main() {3	kafka := kafka.NewKafka()4	kafka.ConsumeMessages()5}6import (7func main() {8	kafka := kafka.NewKafka()9	kafka.ConsumeMessages()10}11import (12func NewKafka() *Kafka {13	return &Kafka{}14}15type Kafka struct {16}17func (kafka *Kafka) ConsumeMessages() {18	fmt.Println("ConsumeMessages")19	c, err := kafka.NewConsumer(&kafka.ConfigMap{20	})21	if err != nil {22		log.Panic(err)23	}24	c.SubscribeTopics([]string{topic}, nil)25	for {26		msg, err := c.ReadMessage(-1)27		if err == nil {28			fmt.Println("Message on %s: %s\n", msg.TopicPartition, string(msg.Value))29		} else {30			fmt.Println("Consumer error: %v (%v)\n", err, msg)31		}32	}33	c.Close()34}35main.main()36github.com/confluentinc/confluent-kafka-go/kafka.(*Consumer).pollEvents(0xc0000a4000)

consumeMessages

Using AI Code Generation

1import (2func main() {3	kafka := &Kafka{}4	kafka.initialize()5	kafka.consumeMessages()6}7import (8func main() {9	kafka := &Kafka{}10	kafka.initialize()11	kafka.consumeMessages()12}13import (14func main() {15	kafka := &Kafka{}16	kafka.initialize()17	kafka.consumeMessages()18}19import (20func main() {21	kafka := &Kafka{}22	kafka.initialize()23	kafka.consumeMessages()24}25import (26func main() {27	kafka := &Kafka{}28	kafka.initialize()29	kafka.consumeMessages()30}31import (32func main() {33	kafka := &Kafka{}34	kafka.initialize()35	kafka.consumeMessages()36}37import (

consumeMessages

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello, playground")4}5func consumeMessages() {6    config := sarama.NewConfig()7    brokerList := []string{"localhost:9092"}8    consumer, err := sarama.NewConsumerGroup(brokerList, consumerGroup, config)9    if err != nil {10        panic(err)11    }12    defer func() {13        if err := consumer.Close(); err != nil {14            panic(err)15        }16    }()17    for {

consumeMessages

Using AI Code Generation

1import (2func main() {3	kafka := kafka{}4	kafka.consumeMessages()5}6import (7type kafka struct {8}9func (kafka) consumeMessages() {10	consumer, err := sarama.NewConsumer([]string{"localhost:9092"}, nil)11	if err != nil {12		panic(err)13	}14	partitionList, err := consumer.Partitions("my_topic")15	if err != nil {16		panic(err)17	}18	for partition := range partitionList {19		pc, err := consumer.ConsumePartition("my_topic", int32(partition), sarama.OffsetNewest)20		if err != nil {21			panic(err)22		}23		defer pc.AsyncClose()24		go func(sarama.PartitionConsumer) {25			for msg := range pc.Messages() {26				fmt.Printf("Partition:%d Offset:%d Key:%v Value:%s", msg.Partition, msg.Offset, msg.Key, msg.Value)27			}28		}(pc)29	}30}31import (32type kafka struct {33}34func (kafka) produceMessages() {35	config := sarama.NewConfig()36	producer, err := sarama.NewSyncProducer([]string{"localhost:9092"}, config)37	if err != nil {38		panic(err)39	}40	defer func() {41		if err := producer.Close(); err != nil {42			panic(err)43		}44	}()45	msg := &sarama.ProducerMessage{46		Value: sarama.StringEncoder("testing 123"),47	}48	partition, offset, err := producer.SendMessage(msg)49	if err != nil {50		panic(err)51	}52	fmt.Printf("Message is stored in topic(%s)/partition(%d)/offset(%d)", "my_topic", partition, offset)53}

consumeMessages

Using AI Code Generation

1import (2func main() {3	kafka := kafka.NewKafka()4	kafka.ConsumeMessages()5}6import (7type Kafka struct {8}9func NewKafka() *Kafka {10	return &Kafka{}11}12func (k *Kafka) ConsumeMessages() {13	k.consumer, err = sarama.NewConsumer(strings.Split("localhost:9092", ","), nil)14	if err != nil {15		panic(err)16	}17	defer func() {18		if err := k.consumer.Close(); err != nil {19			panic(err)20		}21	}()22	partitionList, err := k.consumer.Partitions("test")23	if err != nil {24		panic(err)25	}26	fmt.Println("Partitions: ", partitionList)27	wg.Add(len(partitionList))28	for partition := range partitionList {29		go func(partition int32) {30			defer wg.Done()31			partitionConsumer, err := k.consumer.ConsumePartition("test", partition, sarama.OffsetNewest)32			if err != nil {33				panic(err)34			}35			defer func() {36				if err := partitionConsumer.Close(); err != nil {37					panic(err)38				}39			}()40			signals := make(chan os.Signal, 1)41			signal.Notify(signals, os.Interrupt)42			for {43				select {44				case msg := <-partitionConsumer.Messages():45					fmt.Println("Consumed message offset ", msg.Offset, " value: ", string(msg.Value))46				}47			}48			fmt.Println("Consumed: ", strconv.Itoa(consumed))49		}(int32(partition))50	}51	wg.Wait()52}

consumeMessages

Using AI Code Generation

1import (2type kafka struct {3}4func (k *kafka) consumeMessages() {5    fmt.Println("Consumer started")6    c, err := kafka.NewConsumer(&kafka.ConfigMap{7    })8    if err != nil {9        panic(err)10    }11    c.SubscribeTopics([]string{k.topic}, nil)12    for {13        msg, err := c.ReadMessage(-1)14        if err == nil {15            var data map[string]interface{}16            json.Unmarshal(msg.Value, &data)17            fmt.Printf("Message on %s: %s18", msg.TopicPartition, string(msg.Value))19            fmt.Printf("JSON data: %v20        } else {21            fmt.Printf("Consumer error: %v (%v)22        }23    }24    c.Close()25}26func main() {27    k := kafka{28    }29    go k.consumeMessages()30    time.Sleep(1 * time.Second)31}32import (33type kafka struct {34}35func (k *kafka) produceMessages() {36    fmt.Println("Producer started")37    p, err := kafka.NewProducer(&kafka.ConfigMap{"bootstrap.servers": k.brokers})38    if err != nil {39        panic(err)40    }41    defer p.Close()42    go func() {43        for e := range p.Events() {44            switch ev := e.(type) {45                if ev.TopicPartition.Error != nil {46                    fmt.Printf("Delivery failed: %v47                } else {48                    fmt.Printf("Delivered message to %v

consumeMessages

Using AI Code Generation

1func main() {2    kafka := Kafka{}3    kafka.consumeMessages()4}5import (6type Kafka struct {7}8func (k *Kafka) consumeMessages() {9    for {10        fmt.Println("Message consumed")11        time.Sleep(2 * time.Second)12    }13}14import (15type Kafka struct {16}17func (k *Kafka) consumeMessages() {18    for {19        fmt.Println("Message consumed")20        time.Sleep(2 * time.Second)21    }22}23import (24type Kafka struct {25}26func (k *Kafka) consumeMessages() {27    for {28        fmt.Println("Message consumed")29        time.Sleep(2 * time.Second)30    }31}32import (33type Kafka struct {34}35func (k *Kafka) consumeMessages() {36    for {37        fmt.Println("Message consumed")38        time.Sleep(2 * time.Second)39    }40}41import (42type Kafka struct {43}44func (k *Kafka) consumeMessages() {45    for {46        fmt.Println("Message consumed")47        time.Sleep(2 * time.Second)48    }49}50import (51type Kafka struct {52}53func (k *Kafka) consumeMessages() {54    for {55        fmt.Println("Message consumed")56        time.Sleep(2 * time.Second)57    }58}59import (60type Kafka struct {61}62func (k *Kafka) consumeMessages() {63    for {64        fmt.Println("Message consumed")65        time.Sleep(2 * time.Second)66    }67}

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