mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-05 01:52:46 +00:00
37 lines
737 B
Go
37 lines
737 B
Go
|
package rifs
|
||
|
|
||
|
import (
|
||
|
"io"
|
||
|
)
|
||
|
|
||
|
// WriteCounter proxies write requests and maintains a counter of bytes written.
|
||
|
type WriteCounter struct {
|
||
|
w io.Writer
|
||
|
counter int
|
||
|
}
|
||
|
|
||
|
// NewWriteCounter returns a new `WriteCounter` struct wrapping a `Writer`.
|
||
|
func NewWriteCounter(w io.Writer) *WriteCounter {
|
||
|
return &WriteCounter{
|
||
|
w: w,
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Count returns the total number of bytes read.
|
||
|
func (wc *WriteCounter) Count() int {
|
||
|
return wc.counter
|
||
|
}
|
||
|
|
||
|
// Reset resets the counter to zero.
|
||
|
func (wc *WriteCounter) Reset() {
|
||
|
wc.counter = 0
|
||
|
}
|
||
|
|
||
|
// Write forwards a write to the underlying `Writer` while bumping the counter.
|
||
|
func (wc *WriteCounter) Write(b []byte) (n int, err error) {
|
||
|
n, err = wc.w.Write(b)
|
||
|
wc.counter += n
|
||
|
|
||
|
return n, err
|
||
|
}
|