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33 lines
643 B
Go
33 lines
643 B
Go
// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
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package writers
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import "io"
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type BytesCounterWriter struct {
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writer io.Writer
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count int64
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}
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func NewBytesCounterWriter(rawWriter io.Writer) *BytesCounterWriter {
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return &BytesCounterWriter{writer: rawWriter}
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}
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func (this *BytesCounterWriter) RawWriter() io.Writer {
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return this.writer
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}
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func (this *BytesCounterWriter) Write(p []byte) (n int, err error) {
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n, err = this.writer.Write(p)
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this.count += int64(n)
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return
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}
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func (this *BytesCounterWriter) Close() error {
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return nil
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}
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func (this *BytesCounterWriter) TotalBytes() int64 {
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return this.count
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}
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