| 193 | } |
| 194 | |
| 195 | func (h *httpGetter) Get(ctx context.Context, in *pb.GetRequest, out *pb.GetResponse) error { |
| 196 | u := fmt.Sprintf( |
| 197 | "%v%v/%v", |
| 198 | h.baseURL, |
| 199 | url.QueryEscape(in.GetGroup()), |
| 200 | url.QueryEscape(in.GetKey()), |
| 201 | ) |
| 202 | req, err := http.NewRequest("GET", u, nil) |
| 203 | if err != nil { |
| 204 | return err |
| 205 | } |
| 206 | req = req.WithContext(ctx) |
| 207 | tr := http.DefaultTransport |
| 208 | if h.transport != nil { |
| 209 | tr = h.transport(ctx) |
| 210 | } |
| 211 | res, err := tr.RoundTrip(req) |
| 212 | if err != nil { |
| 213 | return err |
| 214 | } |
| 215 | defer res.Body.Close() |
| 216 | if res.StatusCode != http.StatusOK { |
| 217 | return fmt.Errorf("server returned: %v", res.Status) |
| 218 | } |
| 219 | b := bufferPool.Get().(*bytes.Buffer) |
| 220 | b.Reset() |
| 221 | defer bufferPool.Put(b) |
| 222 | _, err = io.Copy(b, res.Body) |
| 223 | if err != nil { |
| 224 | return fmt.Errorf("reading response body: %v", err) |
| 225 | } |
| 226 | err = proto.Unmarshal(b.Bytes(), out) |
| 227 | if err != nil { |
| 228 | return fmt.Errorf("decoding response body: %v", err) |
| 229 | } |
| 230 | return nil |
| 231 | } |