Most things work fine now, except:

- UDP support has been temporarily removed, pending upstream QUIC library support for unreliable messages
- SOCKS5 server needs some rework
- Authentication

pkg/utils/pipe.go

@@ -2,20 +2,16 @@ package utils
 
 import (
 	"io"
-	"sync/atomic"
 )
 
 const PipeBufferSize = 65536
 
-func Pipe(src, dst io.ReadWriter, atomicCounter *uint64) error {
+func Pipe(src, dst io.ReadWriter) error {
 	buf := make([]byte, PipeBufferSize)
 	for {
 		rn, err := src.Read(buf)
 		if rn > 0 {
-			wn, err := dst.Write(buf[:rn])
-			if atomicCounter != nil {
-				atomic.AddUint64(atomicCounter, uint64(wn))
-			}
+			_, err := dst.Write(buf[:rn])
 			if err != nil {
 				return err
 			}
@@ -26,13 +22,13 @@ func Pipe(src, dst io.ReadWriter, atomicCounter *uint64) error {
 	}
 }
 
-func PipePair(rw1, rw2 io.ReadWriter, rw1WriteCounter, rw2WriteCounter *uint64) error {
+func Pipe2Way(rw1, rw2 io.ReadWriter) error {
 	errChan := make(chan error, 2)
 	go func() {
-		errChan <- Pipe(rw2, rw1, rw1WriteCounter)
+		errChan <- Pipe(rw2, rw1)
 	}()
 	go func() {
-		errChan <- Pipe(rw1, rw2, rw2WriteCounter)
+		errChan <- Pipe(rw1, rw2)
 	}()
 	// We only need the first error
 	return <-errChan