func PublishFiles(files chan string, connectionUri, exchange, routingKey string, mandatory, immediate bool, deliveryProperties DeliveryProperties, results chan *PublishResult) { var err error var body []byte var message *amqp.Publishing var messages chan *amqp.Publishing messages = make(chan *amqp.Publishing) go Publish(messages, connectionUri, exchange, routingKey, mandatory, immediate, results) for file := range files { if body, err = ioutil.ReadFile(file); err != nil { results <- &PublishResult{"Failed to read file " + file, err, false} continue } message = NewAmqpPublishingWithDelivery(deliveryProperties, body) if message.ContentType == "" { message.ContentType = mime.TypeByExtension(filepath.Ext(file)) } messages <- message } }
func main() { rabbitUrl := os.Getenv("AMQP_URL") if rabbitUrl == "" { rabbitUrl = "amqp://localhost" } log.Println(fmt.Sprintf("Connecting to RabbitMQ (%s)", rabbitUrl)) conn, err := amqp.Dial(rabbitUrl) if err != nil { panic(err) } defer conn.Close() channel, err := conn.Channel() if err != nil { panic(err) } defer channel.Close() // The exchange we're going to pull stuff from... err = channel.ExchangeDeclare("squall.workers", "fanout", true, false, false, false, nil) if err != nil { panic(err) } // The exchange we're going to publish to... err = channel.ExchangeDeclare("squall.aggregators", "direct", true, false, false, false, nil) if err != nil { panic(err) } // Just ignore this crap. _, err = channel.QueueDeclare("", true, false, false, true, nil) if err != nil { panic(err) } err = channel.QueueBind("", "#", "squall.workers", true, nil) if err != nil { panic(err) } // Start up dat consumer...! listener, err := channel.Consume("", "squall.workers", true, false, true, false, nil) if err != nil { panic(err) } for { select { case obj, ok := <-listener: { Debugln("Found request to execute.") if ok { request := NewScrapeRequestFromJson(obj.Body) log.Printf("Request %d: Starting scrape of %s\n", request.RequestID, request.Url) request.PerformAsync(100) } } case resp := <-ResponseQueue: { Debugln("Read response, sending along.") // Do something with this response. Shove it down another pipe? message := amqp.Publishing{} message.Body = resp.ToJSON() message.ContentType = "application/json" channel.Publish("squall.aggregators", "", false, false, message) } } } }