| // Copyright 2016 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package gensupport |
| |
| import ( |
| "net/http" |
| |
| "golang.org/x/net/context" |
| "golang.org/x/net/context/ctxhttp" |
| ) |
| |
| // Hook is a function that is called once before each HTTP request that is sent |
| // by a generated API. It returns a function that is called after the request |
| // returns. |
| // Hook is never called if the context is nil. |
| var Hook func(ctx context.Context, req *http.Request) func(resp *http.Response) = defaultHook |
| |
| func defaultHook(ctx context.Context, req *http.Request) func(resp *http.Response) { |
| return func(resp *http.Response) {} |
| } |
| |
| // SendRequest sends a single HTTP request using the given client. |
| // If ctx is non-nil, uses ctxhttp.Do, and calls Hook beforehand. The function |
| // returned by Hook is called after the request returns. |
| func SendRequest(ctx context.Context, client *http.Client, req *http.Request) (*http.Response, error) { |
| if ctx != nil { |
| fn := Hook(ctx, req) |
| resp, err := ctxhttp.Do(ctx, client, req) |
| fn(resp) |
| return resp, err |
| } |
| return client.Do(req) |
| } |