1 files changed, 55 insertions, 0 deletions
diff --git a/vendor/google.golang.org/api/gensupport/send.go b/vendor/google.golang.org/api/gensupport/send.go
new file mode 100644
index 0000000..3d22f63
--- /dev/null
+++ b/vendor/google.golang.org/api/gensupport/send.go
@@ -0,0 +1,55 @@
+// 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 the type of 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.
+// Hooks are not called if the context is nil.
+type Hook func(ctx context.Context, req *http.Request) func(resp *http.Response)
+
+var hooks []Hook
+
+// RegisterHook registers a Hook to be called before each HTTP request by a
+// generated API.  Hooks are called in the order they are registered.  Each
+// hook can return a function; if it is non-nil, it is called after the HTTP
+// request returns.  These functions are called in the reverse order.
+// RegisterHook should not be called concurrently with itself or SendRequest.
+func RegisterHook(h Hook) {
+	hooks = append(hooks, h)
+}
+
+// SendRequest sends a single HTTP request using the given client.
+// If ctx is non-nil, it calls all hooks, then sends the request with
+// ctxhttp.Do, then calls any functions returned by the hooks in reverse order.
+func SendRequest(ctx context.Context, client *http.Client, req *http.Request) (*http.Response, error) {
+	if ctx == nil {
+		return client.Do(req)
+	}
+	// Call hooks in order of registration, store returned funcs.
+	post := make([]func(resp *http.Response), len(hooks))
+	for i, h := range hooks {
+		fn := h(ctx, req)
+		post[i] = fn
+	}
+
+	// Send request.
+	resp, err := ctxhttp.Do(ctx, client, req)
+
+	// Call returned funcs in reverse order.
+	for i := len(post) - 1; i >= 0; i-- {
+		if fn := post[i]; fn != nil {
+			fn(resp)
+		}
+	}
+	return resp, err
+}