rabbitmq-tutorials/clojure/src/rabbitmq/tutorials/receive_logs_topic.clj
2014-08-23 12:55:58 +04:00

27 lines
911 B
Clojure

(ns rabbitmq.tutorials.receive-logs-topic
(:require [langohr.core :as lc]
[langohr.channel :as lch]
[langohr.exchange :as le]
[langohr.queue :as lq]
[langohr.basic :as lb]
[langohr.consumers :as lcons]))
(def ^{:const true} x "topic_logs")
(defn handle-delivery
"Handles message delivery"
[ch {:keys [routing-key]} payload]
(println (format " [x] %s:%s" routing-key (String. payload "UTF-8"))))
(defn -main
[& args]
(with-open [conn (lc/connect)]
(let [ch (lch/open conn)
{:keys [queue]} (lq/declare ch "" {:durable false :auto-delete false})]
(le/topic ch x {:durable false :auto-delete false})
(doseq [severity args]
(lq/bind ch queue x {:routing-key severity}))
(println " [*] Waiting for logs. To exit press CTRL+C")
(lcons/blocking-subscribe ch queue handle-delivery))))