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;;; Concurrent HTTP client using go-blocks and threads.
;;; Inspired by:
;;; Eli Bendersky []
;;; This code is in the public domain.
(ns clojure-blocking-async.http-client
(:require [clojure.core.async :as async])
(:require [clj-http.client]))
(def url-template "")
(defn blocking-get-page [i]
(clj-http.client/get (format url-template i)))
(defn verify
(let [r (blocking-get-page 22)]
(clojure.string/includes? (:body r) "integer typedefs"))))
(defn get-multiple
[generator-fn start n]
(let [c (async/chan)]
(generator-fn c start n)
(loop [i 0
res []]
(if (= i n)
(recur (inc i) (conj res (async/<!! c)))))))
(defn go-blocking-generator
[c start n]
(doseq [i (range start (+ start n))]
(async/go (async/>! c (blocking-get-page i)))))
(defn thread-blocking-generator
[c start n]
(doseq [i (range start (+ start n))]
(async/thread (async/>!! c (blocking-get-page i)))))
(def start 10)
(def num-results 20)
;(time (count (get-multiple go-blocking-generator 10 num-results)))
(time (count (get-multiple thread-blocking-generator start num-results)))
(prn (verify))