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producer.go
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/
producer.go
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package main
import (
"bufio"
"fmt"
"github.com/ECERKCI/go-kafka-task/edit/main/producer.go"
"math/rand"
"os"
"time"
)
func consume(iteration int) {
fmt.Printf("Consumer %d started!\n", iteration+1)
consumer, err := kafka.NewConsumer(&kafka.ConfigMap{
"bootstrap.servers": "localhost:9092",
"group.id": "foo",
"auto.offset.reset": "earliest",
"enable.auto.commit": "false",
"session.timeout.ms": 6000,
})
if err != nil {
fmt.Printf("Failed to create consumer: %s\n", err)
os.Exit(1)
}
err = consumer.Subscribe("test", nil)
if err != nil {
fmt.Printf("Failed to subscribe topic: %s\n", err)
os.Exit(1)
}
run := true
for run == true {
rand.Seed(time.Now().UnixNano())
n := rand.Intn(6) + 5
time.Sleep(time.Duration(n) * time.Second)
ev := consumer.Poll(100)
switch e := ev.(type) {
case *kafka.Message:
consumer.Commit()
fmt.Printf("\nMessage is : %s and consumed by %d number thread\n", string(e.Value), iteration+1)
case kafka.Error:
fmt.Fprintf(os.Stderr, "%% Error: %v\n", e)
run = false
}
}
consumer.Close()
}
func main() {
for i := 0; i < 5; i++ {
go consume(i)
}
reader := bufio.NewReader(os.Stdin)
_, _, _ = reader.ReadRune()
}