mirror of
https://github.com/octoleo/restic.git
synced 2024-11-30 08:44:02 +00:00
113 lines
3.6 KiB
Go
113 lines
3.6 KiB
Go
// Copyright 2011 Google Inc. All rights reserved.
|
|
// Use of this source code is governed by the Apache 2.0
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// Package appengine provides basic functionality for Google App Engine.
|
|
//
|
|
// For more information on how to write Go apps for Google App Engine, see:
|
|
// https://cloud.google.com/appengine/docs/go/
|
|
package appengine // import "google.golang.org/appengine"
|
|
|
|
import (
|
|
"net/http"
|
|
|
|
"github.com/golang/protobuf/proto"
|
|
"golang.org/x/net/context"
|
|
|
|
"google.golang.org/appengine/internal"
|
|
)
|
|
|
|
// The gophers party all night; the rabbits provide the beats.
|
|
|
|
// Main is the principal entry point for an app running in App Engine.
|
|
//
|
|
// On App Engine Flexible it installs a trivial health checker if one isn't
|
|
// already registered, and starts listening on port 8080 (overridden by the
|
|
// $PORT environment variable).
|
|
//
|
|
// See https://cloud.google.com/appengine/docs/flexible/custom-runtimes#health_check_requests
|
|
// for details on how to do your own health checking.
|
|
//
|
|
// Main is not yet supported on App Engine Standard.
|
|
//
|
|
// Main never returns.
|
|
//
|
|
// Main is designed so that the app's main package looks like this:
|
|
//
|
|
// package main
|
|
//
|
|
// import (
|
|
// "google.golang.org/appengine"
|
|
//
|
|
// _ "myapp/package0"
|
|
// _ "myapp/package1"
|
|
// )
|
|
//
|
|
// func main() {
|
|
// appengine.Main()
|
|
// }
|
|
//
|
|
// The "myapp/packageX" packages are expected to register HTTP handlers
|
|
// in their init functions.
|
|
func Main() {
|
|
internal.Main()
|
|
}
|
|
|
|
// IsDevAppServer reports whether the App Engine app is running in the
|
|
// development App Server.
|
|
func IsDevAppServer() bool {
|
|
return internal.IsDevAppServer()
|
|
}
|
|
|
|
// NewContext returns a context for an in-flight HTTP request.
|
|
// This function is cheap.
|
|
func NewContext(req *http.Request) context.Context {
|
|
return WithContext(context.Background(), req)
|
|
}
|
|
|
|
// WithContext returns a copy of the parent context
|
|
// and associates it with an in-flight HTTP request.
|
|
// This function is cheap.
|
|
func WithContext(parent context.Context, req *http.Request) context.Context {
|
|
return internal.WithContext(parent, req)
|
|
}
|
|
|
|
// TODO(dsymonds): Add a Call function here? Otherwise other packages can't access internal.Call.
|
|
|
|
// BlobKey is a key for a blobstore blob.
|
|
//
|
|
// Conceptually, this type belongs in the blobstore package, but it lives in
|
|
// the appengine package to avoid a circular dependency: blobstore depends on
|
|
// datastore, and datastore needs to refer to the BlobKey type.
|
|
type BlobKey string
|
|
|
|
// GeoPoint represents a location as latitude/longitude in degrees.
|
|
type GeoPoint struct {
|
|
Lat, Lng float64
|
|
}
|
|
|
|
// Valid returns whether a GeoPoint is within [-90, 90] latitude and [-180, 180] longitude.
|
|
func (g GeoPoint) Valid() bool {
|
|
return -90 <= g.Lat && g.Lat <= 90 && -180 <= g.Lng && g.Lng <= 180
|
|
}
|
|
|
|
// APICallFunc defines a function type for handling an API call.
|
|
// See WithCallOverride.
|
|
type APICallFunc func(ctx context.Context, service, method string, in, out proto.Message) error
|
|
|
|
// WithAPICallFunc returns a copy of the parent context
|
|
// that will cause API calls to invoke f instead of their normal operation.
|
|
//
|
|
// This is intended for advanced users only.
|
|
func WithAPICallFunc(ctx context.Context, f APICallFunc) context.Context {
|
|
return internal.WithCallOverride(ctx, internal.CallOverrideFunc(f))
|
|
}
|
|
|
|
// APICall performs an API call.
|
|
//
|
|
// This is not intended for general use; it is exported for use in conjunction
|
|
// with WithAPICallFunc.
|
|
func APICall(ctx context.Context, service, method string, in, out proto.Message) error {
|
|
return internal.Call(ctx, service, method, in, out)
|
|
}
|