all: Use new Go 1.19 atomic types (#8772)

lib/protocol/counting.go

@@ -10,53 +10,49 @@ import (
 
 type countingReader struct {
 	io.Reader
-	tot  int64 // bytes (atomic, must remain 64-bit aligned)
-	last int64 // unix nanos (atomic, must remain 64-bit aligned)
+	tot  atomic.Int64 // bytes
+	last atomic.Int64 // unix nanos
 }
 
 var (
-	totalIncoming int64
-	totalOutgoing int64
+	totalIncoming atomic.Int64
+	totalOutgoing atomic.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())
+	c.tot.Add(int64(n))
+	totalIncoming.Add(int64(n))
+	c.last.Store(time.Now().UnixNano())
 	return n, err
 }
 
-func (c *countingReader) Tot() int64 {
-	return atomic.LoadInt64(&c.tot)
-}
+func (c *countingReader) Tot() int64 { return c.tot.Load() }
 
 func (c *countingReader) Last() time.Time {
-	return time.Unix(0, atomic.LoadInt64(&c.last))
+	return time.Unix(0, c.last.Load())
 }
 
 type countingWriter struct {
 	io.Writer
-	tot  int64 // bytes (atomic, must remain 64-bit aligned)
-	last int64 // unix nanos (atomic, must remain 64-bit aligned)
+	tot  atomic.Int64 // bytes
+	last atomic.Int64 // unix nanos
 }
 
 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())
+	c.tot.Add(int64(n))
+	totalOutgoing.Add(int64(n))
+	c.last.Store(time.Now().UnixNano())
 	return n, err
 }
 
-func (c *countingWriter) Tot() int64 {
-	return atomic.LoadInt64(&c.tot)
-}
+func (c *countingWriter) Tot() int64 { return c.tot.Load() }
 
 func (c *countingWriter) Last() time.Time {
-	return time.Unix(0, atomic.LoadInt64(&c.last))
+	return time.Unix(0, c.last.Load())
 }
 
 func TotalInOut() (int64, int64) {
-	return atomic.LoadInt64(&totalIncoming), atomic.LoadInt64(&totalOutgoing)
+	return totalIncoming.Load(), totalOutgoing.Load()
 }