aboutsummaryrefslogtreecommitdiff
path: root/vendor/golang.org/x/net/context
diff options
context:
space:
mode:
authorNiall Sheridan <nsheridan@gmail.com>2016-07-17 17:16:14 +0100
committerNiall Sheridan <nsheridan@gmail.com>2016-07-17 18:24:20 +0100
commitc9849d667ab55c23d343332a11afb3eb8ede3f2d (patch)
tree86684d5481d8b12be84ea1a3a8f32afaac007efa /vendor/golang.org/x/net/context
parent49f40a952943f26494d6407dc608b50b2ec0df7f (diff)
Update vendor libs
Diffstat (limited to 'vendor/golang.org/x/net/context')
-rw-r--r--vendor/golang.org/x/net/context/ctxhttp/ctxhttp.go106
-rw-r--r--vendor/golang.org/x/net/context/ctxhttp/ctxhttp_pre17.go147
2 files changed, 164 insertions, 89 deletions
diff --git a/vendor/golang.org/x/net/context/ctxhttp/ctxhttp.go b/vendor/golang.org/x/net/context/ctxhttp/ctxhttp.go
index e45feec..606cf1f 100644
--- a/vendor/golang.org/x/net/context/ctxhttp/ctxhttp.go
+++ b/vendor/golang.org/x/net/context/ctxhttp/ctxhttp.go
@@ -1,7 +1,9 @@
-// Copyright 2015 The Go Authors. All rights reserved.
+// 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.
+// +build go1.7
+
// Package ctxhttp provides helper functions for performing context-aware HTTP requests.
package ctxhttp // import "golang.org/x/net/context/ctxhttp"
@@ -14,77 +16,28 @@ import (
"golang.org/x/net/context"
)
-func nop() {}
-
-var (
- testHookContextDoneBeforeHeaders = nop
- testHookDoReturned = nop
- testHookDidBodyClose = nop
-)
-
-// Do sends an HTTP request with the provided http.Client and returns an HTTP response.
+// Do sends an HTTP request with the provided http.Client and returns
+// an HTTP response.
+//
// If the client is nil, http.DefaultClient is used.
-// If the context is canceled or times out, ctx.Err() will be returned.
+//
+// The provided ctx must be non-nil. If it is canceled or times out,
+// ctx.Err() will be returned.
func Do(ctx context.Context, client *http.Client, req *http.Request) (*http.Response, error) {
if client == nil {
client = http.DefaultClient
}
-
- // TODO(djd): Respect any existing value of req.Cancel.
- cancel := make(chan struct{})
- req.Cancel = cancel
-
- type responseAndError struct {
- resp *http.Response
- err error
- }
- result := make(chan responseAndError, 1)
-
- // Make local copies of test hooks closed over by goroutines below.
- // Prevents data races in tests.
- testHookDoReturned := testHookDoReturned
- testHookDidBodyClose := testHookDidBodyClose
-
- go func() {
- resp, err := client.Do(req)
- testHookDoReturned()
- result <- responseAndError{resp, err}
- }()
-
- var resp *http.Response
-
- select {
- case <-ctx.Done():
- testHookContextDoneBeforeHeaders()
- close(cancel)
- // Clean up after the goroutine calling client.Do:
- go func() {
- if r := <-result; r.resp != nil {
- testHookDidBodyClose()
- r.resp.Body.Close()
- }
- }()
- return nil, ctx.Err()
- case r := <-result:
- var err error
- resp, err = r.resp, r.err
- if err != nil {
- return resp, err
- }
- }
-
- c := make(chan struct{})
- go func() {
+ resp, err := client.Do(req.WithContext(ctx))
+ // If we got an error, and the context has been canceled,
+ // the context's error is probably more useful.
+ if err != nil {
select {
case <-ctx.Done():
- close(cancel)
- case <-c:
- // The response's Body is closed.
+ err = ctx.Err()
+ default:
}
- }()
- resp.Body = &notifyingReader{resp.Body, c}
-
- return resp, nil
+ }
+ return resp, err
}
// Get issues a GET request via the Do function.
@@ -119,28 +72,3 @@ func Post(ctx context.Context, client *http.Client, url string, bodyType string,
func PostForm(ctx context.Context, client *http.Client, url string, data url.Values) (*http.Response, error) {
return Post(ctx, client, url, "application/x-www-form-urlencoded", strings.NewReader(data.Encode()))
}
-
-// notifyingReader is an io.ReadCloser that closes the notify channel after
-// Close is called or a Read fails on the underlying ReadCloser.
-type notifyingReader struct {
- io.ReadCloser
- notify chan<- struct{}
-}
-
-func (r *notifyingReader) Read(p []byte) (int, error) {
- n, err := r.ReadCloser.Read(p)
- if err != nil && r.notify != nil {
- close(r.notify)
- r.notify = nil
- }
- return n, err
-}
-
-func (r *notifyingReader) Close() error {
- err := r.ReadCloser.Close()
- if r.notify != nil {
- close(r.notify)
- r.notify = nil
- }
- return err
-}
diff --git a/vendor/golang.org/x/net/context/ctxhttp/ctxhttp_pre17.go b/vendor/golang.org/x/net/context/ctxhttp/ctxhttp_pre17.go
new file mode 100644
index 0000000..926870c
--- /dev/null
+++ b/vendor/golang.org/x/net/context/ctxhttp/ctxhttp_pre17.go
@@ -0,0 +1,147 @@
+// Copyright 2015 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.
+
+// +build !go1.7
+
+package ctxhttp // import "golang.org/x/net/context/ctxhttp"
+
+import (
+ "io"
+ "net/http"
+ "net/url"
+ "strings"
+
+ "golang.org/x/net/context"
+)
+
+func nop() {}
+
+var (
+ testHookContextDoneBeforeHeaders = nop
+ testHookDoReturned = nop
+ testHookDidBodyClose = nop
+)
+
+// Do sends an HTTP request with the provided http.Client and returns an HTTP response.
+// If the client is nil, http.DefaultClient is used.
+// If the context is canceled or times out, ctx.Err() will be returned.
+func Do(ctx context.Context, client *http.Client, req *http.Request) (*http.Response, error) {
+ if client == nil {
+ client = http.DefaultClient
+ }
+
+ // TODO(djd): Respect any existing value of req.Cancel.
+ cancel := make(chan struct{})
+ req.Cancel = cancel
+
+ type responseAndError struct {
+ resp *http.Response
+ err error
+ }
+ result := make(chan responseAndError, 1)
+
+ // Make local copies of test hooks closed over by goroutines below.
+ // Prevents data races in tests.
+ testHookDoReturned := testHookDoReturned
+ testHookDidBodyClose := testHookDidBodyClose
+
+ go func() {
+ resp, err := client.Do(req)
+ testHookDoReturned()
+ result <- responseAndError{resp, err}
+ }()
+
+ var resp *http.Response
+
+ select {
+ case <-ctx.Done():
+ testHookContextDoneBeforeHeaders()
+ close(cancel)
+ // Clean up after the goroutine calling client.Do:
+ go func() {
+ if r := <-result; r.resp != nil {
+ testHookDidBodyClose()
+ r.resp.Body.Close()
+ }
+ }()
+ return nil, ctx.Err()
+ case r := <-result:
+ var err error
+ resp, err = r.resp, r.err
+ if err != nil {
+ return resp, err
+ }
+ }
+
+ c := make(chan struct{})
+ go func() {
+ select {
+ case <-ctx.Done():
+ close(cancel)
+ case <-c:
+ // The response's Body is closed.
+ }
+ }()
+ resp.Body = &notifyingReader{resp.Body, c}
+
+ return resp, nil
+}
+
+// Get issues a GET request via the Do function.
+func Get(ctx context.Context, client *http.Client, url string) (*http.Response, error) {
+ req, err := http.NewRequest("GET", url, nil)
+ if err != nil {
+ return nil, err
+ }
+ return Do(ctx, client, req)
+}
+
+// Head issues a HEAD request via the Do function.
+func Head(ctx context.Context, client *http.Client, url string) (*http.Response, error) {
+ req, err := http.NewRequest("HEAD", url, nil)
+ if err != nil {
+ return nil, err
+ }
+ return Do(ctx, client, req)
+}
+
+// Post issues a POST request via the Do function.
+func Post(ctx context.Context, client *http.Client, url string, bodyType string, body io.Reader) (*http.Response, error) {
+ req, err := http.NewRequest("POST", url, body)
+ if err != nil {
+ return nil, err
+ }
+ req.Header.Set("Content-Type", bodyType)
+ return Do(ctx, client, req)
+}
+
+// PostForm issues a POST request via the Do function.
+func PostForm(ctx context.Context, client *http.Client, url string, data url.Values) (*http.Response, error) {
+ return Post(ctx, client, url, "application/x-www-form-urlencoded", strings.NewReader(data.Encode()))
+}
+
+// notifyingReader is an io.ReadCloser that closes the notify channel after
+// Close is called or a Read fails on the underlying ReadCloser.
+type notifyingReader struct {
+ io.ReadCloser
+ notify chan<- struct{}
+}
+
+func (r *notifyingReader) Read(p []byte) (int, error) {
+ n, err := r.ReadCloser.Read(p)
+ if err != nil && r.notify != nil {
+ close(r.notify)
+ r.notify = nil
+ }
+ return n, err
+}
+
+func (r *notifyingReader) Close() error {
+ err := r.ReadCloser.Close()
+ if r.notify != nil {
+ close(r.notify)
+ r.notify = nil
+ }
+ return err
+}