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// Copyright (C) 2014 The Protocol Authors.
package protocol
import (
"io"
"sync/atomic"
"time"
)
type countingReader struct {
io.Reader
tot int64 // bytes (atomic, must remain 64-bit aligned)
last int64 // unix nanos (atomic, must remain 64-bit aligned)
}
var (
totalIncoming int64
totalOutgoing int64
)
func (c *countingReader) Read(bs []byte) (int, error) {
n, err := c.Reader.Read(bs)
atomic.AddInt64(&c.tot, int64(n))
atomic.AddInt64(&totalIncoming, int64(n))
atomic.StoreInt64(&c.last, time.Now().UnixNano())
return n, err
}
func (c *countingReader) Tot() int64 {
return atomic.LoadInt64(&c.tot)
}
func (c *countingReader) Last() time.Time {
return time.Unix(0, atomic.LoadInt64(&c.last))
}
type countingWriter struct {
io.Writer
tot int64 // bytes (atomic, must remain 64-bit aligned)
last int64 // unix nanos (atomic, must remain 64-bit aligned)
}
func (c *countingWriter) Write(bs []byte) (int, error) {
n, err := c.Writer.Write(bs)
atomic.AddInt64(&c.tot, int64(n))
atomic.AddInt64(&totalOutgoing, int64(n))
atomic.StoreInt64(&c.last, time.Now().UnixNano())
return n, err
}
func (c *countingWriter) Tot() int64 {
return atomic.LoadInt64(&c.tot)
}
func (c *countingWriter) Last() time.Time {
return time.Unix(0, atomic.LoadInt64(&c.last))
}
func TotalInOut() (int64, int64) {
return atomic.LoadInt64(&totalIncoming), atomic.LoadInt64(&totalOutgoing)
}
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