bytecounter

type Conn struct {
	// net.Conn is the underlying net.Conn.
	net.Conn

	// Counter is the byte counter.
	Counter *Counter
}

type Counter struct {
	// Received contains the bytes received. You MUST initialize
	// this field, or you can just use the New factory.
	Received *atomicx.Int64

	// Sent contains the bytes sent. You MUST initialize
	// this field, or you can just use the New factory.
	Sent *atomicx.Int64
}