| // Copyright 2015 The etcd Authors |
| // |
| // 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 rafthttp |
| |
| import ( |
| "errors" |
| "net/http" |
| ) |
| |
| func (t *roundTripperBlocker) RoundTrip(req *http.Request) (*http.Response, error) { |
| c := make(chan struct{}, 1) |
| t.mu.Lock() |
| t.cancel[req] = c |
| t.mu.Unlock() |
| ctx := req.Context() |
| select { |
| case <-t.unblockc: |
| return &http.Response{StatusCode: http.StatusNoContent, Body: &nopReadCloser{}}, nil |
| case <-req.Cancel: |
| return nil, errors.New("request canceled") |
| case <-ctx.Done(): |
| return nil, errors.New("request canceled") |
| case <-c: |
| return nil, errors.New("request canceled") |
| } |
| } |
