func clientExample() error {
resp, err := http.Get("http://127.0.0.1:8000/")
if err != nil {
return err
}
defer resp.Body.Close()
bucket := ratelimit.NewFromRate(10*1024, 10*1024, 0)
wrappedReader := ratelimit.NewReader(resp.Body, bucket)
if _, err := ioutil.ReadAll(wrappedReader); err != nil {
return err
}
return nil
}
func (h *httpDownloader) Download(u *url.URL, dst string) (resp *http.Response, err error) {
defer func() { <-h.ch }()
if h.client == nil {
h.client = http.DefaultClient
}
req, err := http.NewRequest("GET", u.String(), nil)
if err != nil {
return
}
resp, err = h.client.Do(req)
if err != nil {
return
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return resp, fmt.Errorf("downloader error downloading %s: got http status %s",
u, resp.Status)
}
os.MkdirAll(path.Dir(dst), 0755)
f, err := os.Create(dst)
if err != nil {
return
}
defer f.Close()
var src io.Reader = resp.Body
if h.bucket != nil {
src = ratelimit.NewReader(resp.Body, h.bucket)
}
_, err = io.Copy(f, src)
return
}
