text: // Copyright 2015 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.
  
  // +build appengine
  
  package internal
  
  import (
  	"appengine"
  
  	netcontext "golang.org/x/net/context"
  )
  
  func init() {
  	appengineStandard = true
  }
  
  func DefaultVersionHostname(ctx netcontext.Context) string {
  	c := fromContext(ctx)
  	if c == nil {
  		panic(errNotAppEngineContext)
  	}
  	return appengine.DefaultVersionHostname(c)
  }
  
  func Datacenter(_ netcontext.Context) string { return appengine.Datacenter() }
  func ServerSoftware() string                 { return appengine.ServerSoftware() }
  func InstanceID() string                     { return appengine.InstanceID() }
  func IsDevAppServer() bool                   { return appengine.IsDevAppServer() }
  
  func RequestID(ctx netcontext.Context) string {
  	c := fromContext(ctx)
  	if c == nil {
  		panic(errNotAppEngineContext)
  	}
  	return appengine.RequestID(c)
  }
  
  func ModuleName(ctx netcontext.Context) string {
  	c := fromContext(ctx)
  	if c == nil {
  		panic(errNotAppEngineContext)
  	}
  	return appengine.ModuleName(c)
  }
  func VersionID(ctx netcontext.Context) string {
  	c := fromContext(ctx)
  	if c == nil {
  		panic(errNotAppEngineContext)
  	}
  	return appengine.VersionID(c)
  }
  
  func fullyQualifiedAppID(ctx netcontext.Context) string {
  	c := fromContext(ctx)
  	if c == nil {
  		panic(errNotAppEngineContext)
  	}
  	return c.FullyQualifiedAppID()
  }
  