49 lines
1.1 KiB
Go
49 lines
1.1 KiB
Go
// Copyright 2013 Google Inc. All rights reserved.
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// Use of this source code is governed by the Apache 2.0
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// license that can be found in the LICENSE file.
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package appengine
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import (
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"time"
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"github.com/golang/protobuf/proto"
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"google.golang.org/appengine/internal"
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)
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// IsTimeoutError reports whether err is a timeout error.
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func IsTimeoutError(err error) bool {
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if t, ok := err.(interface {
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IsTimeout() bool
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}); ok {
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return t.IsTimeout()
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}
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return false
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}
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// Timeout returns a replacement context that uses d as the default API RPC timeout.
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func Timeout(c Context, d time.Duration) Context {
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return &timeoutContext{
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Context: c,
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d: d,
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}
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}
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type timeoutContext struct {
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Context
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d time.Duration
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}
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func (t *timeoutContext) Call(service, method string, in, out proto.Message, opts *internal.CallOptions) error {
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// Only affect calls that don't have a timeout.
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if opts == nil || opts.Timeout == 0 {
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newOpts := new(internal.CallOptions)
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if opts != nil {
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*newOpts = *opts
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}
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newOpts.Timeout = t.d
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opts = newOpts
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}
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return t.Context.Call(service, method, in, out, opts)
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}
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