| package autorest |
| |
| // Copyright 2017 Microsoft Corporation |
| // |
| // 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. |
| |
| import ( |
| "bytes" |
| "io" |
| "io/ioutil" |
| "net/http" |
| ) |
| |
| // NewRetriableRequest returns a wrapper around an HTTP request that support retry logic. |
| func NewRetriableRequest(req *http.Request) *RetriableRequest { |
| return &RetriableRequest{req: req} |
| } |
| |
| // Request returns the wrapped HTTP request. |
| func (rr *RetriableRequest) Request() *http.Request { |
| return rr.req |
| } |
| |
| func (rr *RetriableRequest) prepareFromByteReader() (err error) { |
| // fall back to making a copy (only do this once) |
| b := []byte{} |
| if rr.req.ContentLength > 0 { |
| b = make([]byte, rr.req.ContentLength) |
| _, err = io.ReadFull(rr.req.Body, b) |
| if err != nil { |
| return err |
| } |
| } else { |
| b, err = ioutil.ReadAll(rr.req.Body) |
| if err != nil { |
| return err |
| } |
| } |
| rr.br = bytes.NewReader(b) |
| rr.req.Body = ioutil.NopCloser(rr.br) |
| return err |
| } |
