Dependencies for the affinity router and the
affinity routing daemon.
Change-Id: Icda72c3594ef7f8f0bc0c33dc03087a4c25529ca
diff --git a/vendor/google.golang.org/appengine/internal/internal.go b/vendor/google.golang.org/appengine/internal/internal.go
new file mode 100644
index 0000000..051ea39
--- /dev/null
+++ b/vendor/google.golang.org/appengine/internal/internal.go
@@ -0,0 +1,110 @@
+// 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 internal provides support for package appengine.
+//
+// Programs should not use this package directly. Its API is not stable.
+// Use packages appengine and appengine/* instead.
+package internal
+
+import (
+ "fmt"
+
+ "github.com/golang/protobuf/proto"
+
+ remotepb "google.golang.org/appengine/internal/remote_api"
+)
+
+// errorCodeMaps is a map of service name to the error code map for the service.
+var errorCodeMaps = make(map[string]map[int32]string)
+
+// RegisterErrorCodeMap is called from API implementations to register their
+// error code map. This should only be called from init functions.
+func RegisterErrorCodeMap(service string, m map[int32]string) {
+ errorCodeMaps[service] = m
+}
+
+type timeoutCodeKey struct {
+ service string
+ code int32
+}
+
+// timeoutCodes is the set of service+code pairs that represent timeouts.
+var timeoutCodes = make(map[timeoutCodeKey]bool)
+
+func RegisterTimeoutErrorCode(service string, code int32) {
+ timeoutCodes[timeoutCodeKey{service, code}] = true
+}
+
+// APIError is the type returned by appengine.Context's Call method
+// when an API call fails in an API-specific way. This may be, for instance,
+// a taskqueue API call failing with TaskQueueServiceError::UNKNOWN_QUEUE.
+type APIError struct {
+ Service string
+ Detail string
+ Code int32 // API-specific error code
+}
+
+func (e *APIError) Error() string {
+ if e.Code == 0 {
+ if e.Detail == "" {
+ return "APIError <empty>"
+ }
+ return e.Detail
+ }
+ s := fmt.Sprintf("API error %d", e.Code)
+ if m, ok := errorCodeMaps[e.Service]; ok {
+ s += " (" + e.Service + ": " + m[e.Code] + ")"
+ } else {
+ // Shouldn't happen, but provide a bit more detail if it does.
+ s = e.Service + " " + s
+ }
+ if e.Detail != "" {
+ s += ": " + e.Detail
+ }
+ return s
+}
+
+func (e *APIError) IsTimeout() bool {
+ return timeoutCodes[timeoutCodeKey{e.Service, e.Code}]
+}
+
+// CallError is the type returned by appengine.Context's Call method when an
+// API call fails in a generic way, such as RpcError::CAPABILITY_DISABLED.
+type CallError struct {
+ Detail string
+ Code int32
+ // TODO: Remove this if we get a distinguishable error code.
+ Timeout bool
+}
+
+func (e *CallError) Error() string {
+ var msg string
+ switch remotepb.RpcError_ErrorCode(e.Code) {
+ case remotepb.RpcError_UNKNOWN:
+ return e.Detail
+ case remotepb.RpcError_OVER_QUOTA:
+ msg = "Over quota"
+ case remotepb.RpcError_CAPABILITY_DISABLED:
+ msg = "Capability disabled"
+ case remotepb.RpcError_CANCELLED:
+ msg = "Canceled"
+ default:
+ msg = fmt.Sprintf("Call error %d", e.Code)
+ }
+ s := msg + ": " + e.Detail
+ if e.Timeout {
+ s += " (timeout)"
+ }
+ return s
+}
+
+func (e *CallError) IsTimeout() bool {
+ return e.Timeout
+}
+
+// NamespaceMods is a map from API service to a function that will mutate an RPC request to attach a namespace.
+// The function should be prepared to be called on the same message more than once; it should only modify the
+// RPC request the first time.
+var NamespaceMods = make(map[string]func(m proto.Message, namespace string))