98a3ff7c1f
The problem is that log.Fatalf calls os.Exit(1) behind the covers and defer statements won't be called.
47 lines
941 B
Go
47 lines
941 B
Go
package main
|
|
|
|
import (
|
|
"log"
|
|
|
|
amqp "github.com/rabbitmq/amqp091-go"
|
|
)
|
|
|
|
func failOnError(err error, msg string) {
|
|
if err != nil {
|
|
log.Panicf("%s: %s", msg, err)
|
|
}
|
|
}
|
|
|
|
func main() {
|
|
conn, err := amqp.Dial("amqp://guest:guest@localhost:5672/")
|
|
failOnError(err, "Failed to connect to RabbitMQ")
|
|
defer conn.Close()
|
|
|
|
ch, err := conn.Channel()
|
|
failOnError(err, "Failed to open a channel")
|
|
defer ch.Close()
|
|
|
|
q, err := ch.QueueDeclare(
|
|
"hello", // name
|
|
false, // durable
|
|
false, // delete when unused
|
|
false, // exclusive
|
|
false, // no-wait
|
|
nil, // arguments
|
|
)
|
|
failOnError(err, "Failed to declare a queue")
|
|
|
|
body := "Hello World!"
|
|
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")
|
|
log.Printf(" [x] Sent %s\n", body)
|
|
}
|