package main
import (
"fmt"
"github.com/streadway/amqp"
"log"
)
func failOnError(err error, msg string) {
if err != nil {
log.Fatalf("%s: %s", msg, err)
}
}
func getConn() *amqp.Connection {
conn, err := amqp.Dial("amqp://guest:guest@192.168.1.187:5673/")
failOnError(err, "Failed to connect to RabbitMQ")
return conn
}
func push(message string) {
conn := getConn()
defer conn.Close()
ch, err := conn.Channel()
failOnError(err, "Failed to open a channel")
defer ch.Close()
q, err := ch.QueueDeclare(
"cheng1", // name
true, // durable
false, // delete when unused
false, // exclusive
false, // no-wait
nil, // arguments
)
failOnError(err, "Failed to declare a queue")
body := message
err = ch.Publish(
"", // exchange
q.Name, // routing key
false, // mandatory
false, // immediate
amqp.Publishing{
ContentType: "text/plain",
Body: []byte(body),
})
failOnError(err, "Failed to publish a message")
fmt.Println(message)
}
func send() {
conn := getConn()
defer conn.Close()
ch, err := conn.Channel()
failOnError(err, "Failed to open a channel")
defer ch.Close()
q, err := ch.QueueDeclare(
"cheng1", // name
true, // durable
false, // delete when unused
false, // exclusive
false, // no-wait
nil, // arguments
)
failOnError(err, "Failed to declare a queue")
msgs, err := ch.Consume(
q.Name, // queue
"", // consumer
false, // auto-ack
false, // exclusive
false, // no-local
false, // no-wait
nil, // args
)
failOnError(err, "Failed to register a consumer")
forever := make(chan bool)
go func() {
for d := range msgs {
log.Printf("Received a message: %s", d.Body)
fmt.Println(d.DeliveryTag)
d.Ack(true)
}
}()
log.Printf(" [*] Waiting for messages. To exit press CTRL+C")
<-forever
}
func main() {
bools := make(chan bool)
go send()
//go func() {
// for i := 0; i < 1000000; i++ {
// push(strconv.Itoa(i))
// }
//}()
<-bools
}
