Cleanup

protocols/bgp/server/util.go

-package server
-
-/*func extractFileAndFamilyFromTCPListener(l *net.TCPListener) (*os.File, int, error) {
-	// Note #1: TCPListener.File() has the unexpected side-effect of putting
-	// the original socket into blocking mode. See Note #2.
-	fi, err := l.File()
-	if err != nil {
-		return nil, 0, err
-	}
-
-	// Note #2: Call net.FileListener() to put the original socket back into
-	// non-blocking mode.
-	fl, err := net.FileListener(fi)
-	if err != nil {
-		fi.Close()
-		return nil, 0, err
-	}
-	fl.Close()
-
-	return fi, getAFIFromAddr(l.Addr().String()), nil
-}
-
-func extractFileAndFamilyFromTCPConn(c *net.TCPConn) (*os.File, int, error) {
-	// Note #1: TCPListener.File() has the unexpected side-effect of putting
-	// the original socket into blocking mode. See Note #2.
-	fi, err := c.File()
-	if err != nil {
-		return nil, 0, err
-	}
-
-	// Note #2: Call net.FileListener() to put the original socket back into
-	// non-blocking mode.
-	fl, err := net.FileListener(fi)
-	if err != nil {
-		fi.Close()
-		return nil, 0, err
-	}
-	fl.Close()
-
-	return fi, getAFIFromAddr(c.LocalAddr().String()), nil
-}
-
-func getAFIFromAddr(addr string) int {
-	if strings.Contains(addr, "[") {
-		return syscall.AF_INET6
-	}
-
-	return syscall.AF_INET
-}
-*/