/
response.go
121 lines (100 loc) · 2.91 KB
/
response.go
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/*
Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserve.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package core
import (
"bytes"
"encoding/json"
"io"
"io/ioutil"
"strings"
"time"
"github.com/PaddlePaddle/PaddleFlow/pkg/common/http/util/http"
)
type PFResponse struct {
statusCode int
statusText string
requestId string
response *http.Response
serviceError *PFServiceError
}
func (r *PFResponse) IsFail() bool {
return r.response.StatusCode() >= 400
}
func (r *PFResponse) StatusCode() int {
return r.statusCode
}
func (r *PFResponse) StatusText() string {
return r.statusText
}
func (r *PFResponse) RequestId() string {
return r.requestId
}
func (r *PFResponse) Header(key string) string {
return r.response.GetHeader(key)
}
func (r *PFResponse) Headers() map[string]string {
return r.response.GetHeaders()
}
func (r *PFResponse) Body() io.ReadCloser {
return r.response.Body()
}
func (r *PFResponse) SetHttpResponse(response *http.Response) {
r.response = response
}
func (r *PFResponse) ElapsedTime() time.Duration {
return r.response.ElapsedTime()
}
func (r *PFResponse) ServiceError() *PFServiceError {
return r.serviceError
}
func (r *PFResponse) ParseResponse() {
r.statusCode = r.response.StatusCode()
r.statusText = r.response.StatusText()
r.requestId = r.response.GetHeader(BCE_REQUEST_ID)
if r.IsFail() {
r.serviceError = NewPFServiceError("", r.statusText, r.requestId, r.statusCode)
// First try to read the error `Code' and `Message' from body
rawBody, _ := ioutil.ReadAll(r.Body())
defer r.Body().Close()
if len(rawBody) != 0 {
jsonDecoder := json.NewDecoder(bytes.NewBuffer(rawBody))
if err := jsonDecoder.Decode(r.serviceError); err != nil {
r.serviceError = NewPFServiceError(
EMALFORMED_JSON,
"Service json error message decode failed",
r.requestId,
r.statusCode)
}
return
}
// Then guess the `Message' from by the return status code
switch r.statusCode {
case 400:
r.serviceError.Code = EINVALID_HTTP_REQUEST
case 403:
r.serviceError.Code = EACCESS_DENIED
case 412:
r.serviceError.Code = EPRECONDITION_FAILED
case 500:
r.serviceError.Code = EINTERNAL_ERROR
default:
words := strings.Split(r.statusText, " ")
r.serviceError.Code = strings.Join(words[1:], "")
}
}
}
func (r *PFResponse) ParseJsonBody(result interface{}) error {
defer r.Body().Close()
jsonDecoder := json.NewDecoder(r.Body())
return jsonDecoder.Decode(result)
}