transport.go 1.3 KB

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  1. // Copyright 2019 Yunion
  2. //
  3. // Licensed under the Apache License, Version 2.0 (the "License");
  4. // you may not use this file except in compliance with the License.
  5. // You may obtain a copy of the License at
  6. //
  7. // http://www.apache.org/licenses/LICENSE-2.0
  8. //
  9. // Unless required by applicable law or agreed to in writing, software
  10. // distributed under the License is distributed on an "AS IS" BASIS,
  11. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12. // See the License for the specific language governing permissions and
  13. // limitations under the License.
  14. package cloudprovider
  15. import "net/http"
  16. type transport struct {
  17. check func(*http.Request) (func(resp *http.Response) error, error)
  18. ts *http.Transport
  19. }
  20. func (t *transport) RoundTrip(req *http.Request) (*http.Response, error) {
  21. var respCheck func(resp *http.Response) error = nil
  22. var err error
  23. if t.check != nil {
  24. respCheck, err = t.check(req)
  25. if err != nil {
  26. return nil, err
  27. }
  28. }
  29. resp, err := t.ts.RoundTrip(req)
  30. if err != nil {
  31. return nil, err
  32. }
  33. if respCheck != nil {
  34. err = respCheck(resp)
  35. if err != nil {
  36. return nil, err
  37. }
  38. }
  39. return resp, nil
  40. }
  41. func GetCheckTransport(ts *http.Transport, check func(*http.Request) (func(resp *http.Response) error, error)) http.RoundTripper {
  42. ret := &transport{ts: ts, check: check}
  43. return ret
  44. }