[Nfd-dev] YaNFD cannot create TCP face

[郝广宇]

I have a YaNFD issue of that failed with "nfdc face create remote tcp4://X.X.X.X:6363", I read the source code that not tcp supported, the following is the code.
No case of tcpURI? 


// Canonize attempts to canonize the URI, if not already canonical.
func (u *URI) Canonize() error {
 switch u.uriType {
 case devURI, fdURI:
  // Nothing to do to canonize these
 case ethernetURI:
  mac, err := net.ParseMAC(strings.Trim(u.path, "[]"))
  if err != nil {
   return core.ErrNotCanonical
  }
  u.scheme = "ether"
  u.path = mac.String()
  u.port = 0
 case udpURI:
  path := u.path
  zone := ""
  if strings.Contains(u.path, "%") {
   // Has zone, so separate out
   path = u.PathHost()
   zone = "%" + u.PathZone()
  }
  ip := net.ParseIP(strings.Trim(path, "[]"))
  if ip == nil {
   // Resolve DNS
   resolvedIPs, err := net.LookupHost(path)
   if err != nil || len(resolvedIPs) == 0 {
    return core.ErrNotCanonical
   }
   ip = net.ParseIP(resolvedIPs[0])
   if ip == nil {
    return core.ErrNotCanonical
   }
  }


  if ip.To4() != nil {
   u.scheme = "udp4"
   u.path = ip.String() + zone
  } else if ip.To16() != nil {
   u.scheme = "udp6"
   u.path = ip.String() + zone
  } else {
   return core.ErrNotCanonical
  }
 case unixURI:
  u.scheme = "unix"
  testPath := "/" + u.path
  if runtime.GOOS == "windows" {
   testPath = u.path
  }
  fileInfo, err := os.Stat(testPath)
  if err != nil && !os.IsNotExist(err) {
   // File couldn't be opened, but not just because it doesn't exist
   return core.ErrNotCanonical
  } else if err == nil && fileInfo.IsDir() {
   // File is a directory
   return core.ErrNotCanonical
  }
  u.port = 0
 default:
  return core.ErrNotCanonical
 }


 return nil
}
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