Function connForward

routine.go:212–220

connForward copy data from `from` to `to`

(from io.ReadWriteCloser, to io.ReadWriteCloser)

// connForward copy data from `from` to `to`
func connForward(from io.ReadWriteCloser, to io.ReadWriteCloser) {
	defer func() { _ = from.Close() }()
	defer func() { _ = to.Close() }()

	_, err := io.Copy(to, from)
	if err != nil {
		errorLogger.Printf("Cannot forward traffic: %s\n", err.Error())
	}
}

// tcpClientForward starts a new connection via wireguard and forward traffic from `conn`
func tcpClientForward(vt *VirtualTun, raddr *addressPort, conn net.Conn) {