Files
EdgeNode/internal/utils/writers/bytes_counter_writer.go

29 lines
564 B
Go

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