9f664468ea
This upgrade, and vendors aws-sdk-go to version v1.12.36. This is because it has new API calls accessible to the S3 client, specifically S3.ListObjectsV2PagesWithContext Signed-off-by: Sargun Dhillon <sargun@sargun.me>
71 lines
2.5 KiB
Go
71 lines
2.5 KiB
Go
package aws
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import (
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"time"
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)
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// Context is an copy of the Go v1.7 stdlib's context.Context interface.
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// It is represented as a SDK interface to enable you to use the "WithContext"
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// API methods with Go v1.6 and a Context type such as golang.org/x/net/context.
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//
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// See https://golang.org/pkg/context on how to use contexts.
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type Context interface {
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// Deadline returns the time when work done on behalf of this context
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// should be canceled. Deadline returns ok==false when no deadline is
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// set. Successive calls to Deadline return the same results.
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Deadline() (deadline time.Time, ok bool)
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// Done returns a channel that's closed when work done on behalf of this
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// context should be canceled. Done may return nil if this context can
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// never be canceled. Successive calls to Done return the same value.
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Done() <-chan struct{}
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// Err returns a non-nil error value after Done is closed. Err returns
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// Canceled if the context was canceled or DeadlineExceeded if the
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// context's deadline passed. No other values for Err are defined.
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// After Done is closed, successive calls to Err return the same value.
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Err() error
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// Value returns the value associated with this context for key, or nil
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// if no value is associated with key. Successive calls to Value with
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// the same key returns the same result.
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//
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// Use context values only for request-scoped data that transits
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// processes and API boundaries, not for passing optional parameters to
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// functions.
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Value(key interface{}) interface{}
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}
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// BackgroundContext returns a context that will never be canceled, has no
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// values, and no deadline. This context is used by the SDK to provide
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// backwards compatibility with non-context API operations and functionality.
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//
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// Go 1.6 and before:
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// This context function is equivalent to context.Background in the Go stdlib.
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//
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// Go 1.7 and later:
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// The context returned will be the value returned by context.Background()
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//
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// See https://golang.org/pkg/context for more information on Contexts.
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func BackgroundContext() Context {
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return backgroundCtx
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}
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// SleepWithContext will wait for the timer duration to expire, or the context
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// is canceled. Which ever happens first. If the context is canceled the Context's
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// error will be returned.
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//
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// Expects Context to always return a non-nil error if the Done channel is closed.
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func SleepWithContext(ctx Context, dur time.Duration) error {
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t := time.NewTimer(dur)
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defer t.Stop()
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select {
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case <-t.C:
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break
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case <-ctx.Done():
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return ctx.Err()
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}
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return nil
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}
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