You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
102 lines
2.0 KiB
102 lines
2.0 KiB
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"log"
|
|
"os"
|
|
"os/signal"
|
|
"sync"
|
|
"syscall"
|
|
|
|
rabbitmq "github.com/wagslane/go-rabbitmq"
|
|
)
|
|
|
|
func main() {
|
|
conn, err := rabbitmq.NewConn(
|
|
"amqp://guest:guest@localhost",
|
|
rabbitmq.WithConnectionOptionsLogging,
|
|
)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
defer conn.Close()
|
|
|
|
consumer, err := rabbitmq.NewConsumer(
|
|
conn,
|
|
"my_queue",
|
|
rabbitmq.WithConsumerOptionsConcurrency(2),
|
|
rabbitmq.WithConsumerOptionsConsumerName("consumer_1"),
|
|
rabbitmq.WithConsumerOptionsRoutingKey("my_routing_key"),
|
|
rabbitmq.WithConsumerOptionsRoutingKey("my_routing_key_2"),
|
|
rabbitmq.WithConsumerOptionsExchangeName("events"),
|
|
rabbitmq.WithConsumerOptionsExchangeDeclare,
|
|
)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
|
|
consumer2, err := rabbitmq.NewConsumer(
|
|
conn,
|
|
"my_queue",
|
|
rabbitmq.WithConsumerOptionsConcurrency(2),
|
|
rabbitmq.WithConsumerOptionsConsumerName("consumer_2"),
|
|
rabbitmq.WithConsumerOptionsRoutingKey("my_routing_key"),
|
|
rabbitmq.WithConsumerOptionsExchangeName("events"),
|
|
)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
|
|
sigs := make(chan os.Signal, 1)
|
|
errs := make(chan error, 1)
|
|
|
|
signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
|
|
|
|
go func() {
|
|
fmt.Println("awaiting signal")
|
|
select {
|
|
case sig := <-sigs:
|
|
fmt.Println()
|
|
fmt.Println(sig)
|
|
case err := <-errs:
|
|
log.Print(err)
|
|
}
|
|
|
|
fmt.Println("stopping consumers")
|
|
|
|
consumer.Close()
|
|
consumer2.Close()
|
|
}()
|
|
|
|
var wg sync.WaitGroup
|
|
|
|
wg.Add(2)
|
|
|
|
go func() {
|
|
defer wg.Done()
|
|
|
|
err := consumer.Run(func(d rabbitmq.Delivery) rabbitmq.Action {
|
|
log.Printf("consumed: %v", string(d.Body))
|
|
// rabbitmq.Ack, rabbitmq.NackDiscard, rabbitmq.NackRequeue
|
|
return rabbitmq.Ack
|
|
})
|
|
if err != nil {
|
|
errs <- err
|
|
}
|
|
}()
|
|
|
|
go func() {
|
|
defer wg.Done()
|
|
|
|
err := consumer2.Run(func(d rabbitmq.Delivery) rabbitmq.Action {
|
|
log.Printf("consumed: %v", string(d.Body))
|
|
// rabbitmq.Ack, rabbitmq.NackDiscard, rabbitmq.NackRequeue
|
|
return rabbitmq.Ack
|
|
})
|
|
if err != nil {
|
|
errs <- err
|
|
}
|
|
}()
|
|
|
|
wg.Wait()
|
|
}
|