mirror of
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34 lines
747 B
Go
34 lines
747 B
Go
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//
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// Copyright Coinbase, Inc. All Rights Reserved.
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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package v0
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import "io"
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type pipeWrapper struct {
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r *io.PipeReader
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w *io.PipeWriter
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exchanged int // basically we only use this during testing, to track bytes exchanged
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}
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func (wrapper *pipeWrapper) Write(p []byte) (n int, err error) {
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n, err = wrapper.w.Write(p)
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wrapper.exchanged += n
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return
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}
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func (wrapper *pipeWrapper) Read(p []byte) (n int, err error) {
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n, err = wrapper.r.Read(p)
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wrapper.exchanged += n
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return
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}
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func NewPipeWrappers() (*pipeWrapper, *pipeWrapper) {
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leftOut, leftIn := io.Pipe()
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rightOut, rightIn := io.Pipe()
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return &pipeWrapper{r: leftOut, w: rightIn}, &pipeWrapper{r: rightOut, w: leftIn}
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}
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