exercise_goroutine.go

package main

import (
    "log"
    "net/http"
    //"io/ioutil"
)

func get(url string, c chan bool){
    resp, err := http.Get(url)
    if err != nil {
        log.Print("error occurred")
    }
    defer resp.Body.Close()


    //body, err := ioutil.ReadAll(resp.Body)
    //if err != nil {
    //    log.Print("error occurred")
    //}
    //printResult(url, string(body))

    printResult(url, resp.Status)

    c <- true
}

func printResult(url string, result string){
    log.Printf("result: %s, url: %s", result, url)
}

func main(){
    urls := []string{
        "https://hiroakis.com/blog/",
        "http://www.yahoo.co.jp/",
        "https://www.google.co.jp/",
        "https://github.com/",
        "http://ameblo.jp/",
        "http://www.youtube.com/",
        "https://twitter.com/",
        "http://d.hatena.ne.jp/rx7/",
        "http://d.hatena.ne.jp/oranie/",
        "http://d.hatena.ne.jp/akuwano/",
        "http://d.hatena.ne.jp/fat47/",
    }

    c := make(chan bool)
    for _, v := range urls {
        go get(v, c)
    }
    for i := 0; i < len(urls); i++ {
        <-c
    }
}