diff options
Diffstat (limited to 'vendor/google.golang.org/appengine/internal/api_classic.go')
| -rw-r--r-- | vendor/google.golang.org/appengine/internal/api_classic.go | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/vendor/google.golang.org/appengine/internal/api_classic.go b/vendor/google.golang.org/appengine/internal/api_classic.go index 597f66e..f0f40b2 100644 --- a/vendor/google.golang.org/appengine/internal/api_classic.go +++ b/vendor/google.golang.org/appengine/internal/api_classic.go @@ -22,14 +22,20 @@ import ( var contextKey = "holds an appengine.Context" +// fromContext returns the App Engine context or nil if ctx is not +// derived from an App Engine context. func fromContext(ctx netcontext.Context) appengine.Context { c, _ := ctx.Value(&contextKey).(appengine.Context) return c } // This is only for classic App Engine adapters. -func ClassicContextFromContext(ctx netcontext.Context) appengine.Context { - return fromContext(ctx) +func ClassicContextFromContext(ctx netcontext.Context) (appengine.Context, error) { + c := fromContext(ctx) + if c == nil { + return nil, errNotAppEngineContext + } + return c, nil } func withContext(parent netcontext.Context, c appengine.Context) netcontext.Context { @@ -53,6 +59,10 @@ func IncomingHeaders(ctx netcontext.Context) http.Header { return nil } +func ReqContext(req *http.Request) netcontext.Context { + return WithContext(netcontext.Background(), req) +} + func WithContext(parent netcontext.Context, req *http.Request) netcontext.Context { c := appengine.NewContext(req) return withContext(parent, c) @@ -98,7 +108,7 @@ func Call(ctx netcontext.Context, service, method string, in, out proto.Message) c := fromContext(ctx) if c == nil { // Give a good error message rather than a panic lower down. - return errors.New("not an App Engine context") + return errNotAppEngineContext } // Apply transaction modifications if we're in a transaction. |