func emptyQueue(amqpURI, queueName string) error {
var conn *amqp.Connection
var channel *amqp.Channel
var err error
var ok bool
var msg amqp.Delivery
log.Printf("dialing %q", amqpURI)
conn, err = amqp.Dial(amqpURI)
if err != nil {
return fmt.Errorf("Dial: %s", err)
}
log.Printf("got Connection, getting Channel")
channel, err = conn.Channel()
if err != nil {
return fmt.Errorf("Channel: %s", err)
}
for {
if msg, ok, err = channel.Get(
queueName, // name of the queue
false, // autoAck
); err != nil {
return fmt.Errorf("Queue Get: %s", err)
}
if ok != true {
log.Printf("Queue empty")
break
}
log.Printf(
"got %dB delivery: [%v] %q",
len(msg.Body),
msg.DeliveryTag,
msg.Body,
)
msg.Ack(false)
}
return nil
}