box-o-sand/sylvilagus/go/src/meatballhat.com/sylvilagus-chapter02-hello-world-consumer/main.go

package main

import (
	"log"
)

import (
	"github.com/streadway/amqp"
)

func main() {
	connection, err := amqp.Dial("amqp://guest:guest@localhost:5672")
	if err != nil {
		log.Fatal("Failed to connect!: ", err)
	}

	defer connection.Close()

	channel, err := connection.Channel()
	if err != nil {
		log.Fatal("Failed to get channel!: ", err)
	}

	err = channel.ExchangeDeclare("hello-exchange", "direct", true, false, false, false, nil)
	if err != nil {
		log.Fatal("Failed to declare exchange!: ", err)
	}

	_, err = channel.QueueDeclare("hello-queue", false, false, false, false, nil)
	if err != nil {
		log.Fatal("Failed to declare queue!: ", err)
	}

	err = channel.QueueBind("hello-queue", "hola", "hello-exchange", false, nil)
	if err != nil {
		log.Fatal("Failed to bind to queue!: ", err)
	}

	hellos, err := channel.Consume("hello-queue", "hello-consumer", false, false, false, false, nil)
	if err != nil {
		log.Fatal("Failed to start consuming!:", err)
	}

	quit := make(chan bool)

	go func(quit chan bool) {
		log.Println("Consuming...")
		for hello := range hellos {
			log.Printf("hello -> %v\n", string(hello.Body))
			hello.Ack(false)
			if string(hello.Body) == "quit" {
				quit <- true
				return
			}
		}
	}(quit)

	<-quit
}