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Diffstat (limited to 'vendor/google.golang.org/cloud/internal/cloud.go')
-rw-r--r--vendor/google.golang.org/cloud/internal/cloud.go128
1 files changed, 0 insertions, 128 deletions
diff --git a/vendor/google.golang.org/cloud/internal/cloud.go b/vendor/google.golang.org/cloud/internal/cloud.go
deleted file mode 100644
index 5942880..0000000
--- a/vendor/google.golang.org/cloud/internal/cloud.go
+++ /dev/null
@@ -1,128 +0,0 @@
-// Copyright 2014 Google Inc. All Rights Reserved.
-//
-// 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 internal provides support for the cloud packages.
-//
-// Users should not import this package directly.
-package internal
-
-import (
- "fmt"
- "net/http"
- "sync"
-
- "golang.org/x/net/context"
-)
-
-type contextKey struct{}
-
-func WithContext(parent context.Context, projID string, c *http.Client) context.Context {
- if c == nil {
- panic("nil *http.Client passed to WithContext")
- }
- if projID == "" {
- panic("empty project ID passed to WithContext")
- }
- return context.WithValue(parent, contextKey{}, &cloudContext{
- ProjectID: projID,
- HTTPClient: c,
- })
-}
-
-const userAgent = "gcloud-golang/0.1"
-
-type cloudContext struct {
- ProjectID string
- HTTPClient *http.Client
-
- mu sync.Mutex // guards svc
- svc map[string]interface{} // e.g. "storage" => *rawStorage.Service
-}
-
-// Service returns the result of the fill function if it's never been
-// called before for the given name (which is assumed to be an API
-// service name, like "datastore"). If it has already been cached, the fill
-// func is not run.
-// It's safe for concurrent use by multiple goroutines.
-func Service(ctx context.Context, name string, fill func(*http.Client) interface{}) interface{} {
- return cc(ctx).service(name, fill)
-}
-
-func (c *cloudContext) service(name string, fill func(*http.Client) interface{}) interface{} {
- c.mu.Lock()
- defer c.mu.Unlock()
-
- if c.svc == nil {
- c.svc = make(map[string]interface{})
- } else if v, ok := c.svc[name]; ok {
- return v
- }
- v := fill(c.HTTPClient)
- c.svc[name] = v
- return v
-}
-
-// Transport is an http.RoundTripper that appends
-// Google Cloud client's user-agent to the original
-// request's user-agent header.
-type Transport struct {
- // Base is the actual http.RoundTripper
- // requests will use. It must not be nil.
- Base http.RoundTripper
-}
-
-// RoundTrip appends a user-agent to the existing user-agent
-// header and delegates the request to the base http.RoundTripper.
-func (t *Transport) RoundTrip(req *http.Request) (*http.Response, error) {
- req = cloneRequest(req)
- ua := req.Header.Get("User-Agent")
- if ua == "" {
- ua = userAgent
- } else {
- ua = fmt.Sprintf("%s %s", ua, userAgent)
- }
- req.Header.Set("User-Agent", ua)
- return t.Base.RoundTrip(req)
-}
-
-// cloneRequest returns a clone of the provided *http.Request.
-// The clone is a shallow copy of the struct and its Header map.
-func cloneRequest(r *http.Request) *http.Request {
- // shallow copy of the struct
- r2 := new(http.Request)
- *r2 = *r
- // deep copy of the Header
- r2.Header = make(http.Header)
- for k, s := range r.Header {
- r2.Header[k] = s
- }
- return r2
-}
-
-func ProjID(ctx context.Context) string {
- return cc(ctx).ProjectID
-}
-
-func HTTPClient(ctx context.Context) *http.Client {
- return cc(ctx).HTTPClient
-}
-
-// cc returns the internal *cloudContext (cc) state for a context.Context.
-// It panics if the user did it wrong.
-func cc(ctx context.Context) *cloudContext {
- if c, ok := ctx.Value(contextKey{}).(*cloudContext); ok {
- return c
- }
- panic("invalid context.Context type; it should be created with cloud.NewContext")
-}