37 lines
687 B
Go
37 lines
687 B
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package streams
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import "io"
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// EOFReader holds reader and status of EOF
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type EOFReader struct {
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reader io.Reader
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eof bool
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err error
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}
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// NewEOFReader keeps track of the state, has the internal reader reached EOF
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func NewEOFReader(r io.Reader) *EOFReader {
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return &EOFReader{reader: r}
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}
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func (r *EOFReader) Read(p []byte) (n int, err error) {
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n, err = r.reader.Read(p)
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if err == io.EOF {
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r.eof = true
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} else if err != nil && r.err == nil {
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r.err = err
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}
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return n, err
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}
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func (r *EOFReader) isEOF() bool {
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return r.eof
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}
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func (r *EOFReader) hasError() bool {
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return r.err != nil
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}
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