Exemple #1
0
int
ACE_Name_Proxy::recv_reply (ACE_Name_Request &reply)
{
  ACE_TRACE ("ACE_Name_Proxy::recv_reply");
  // Read the first 4 bytes to get the length of the message This
  // implementation assumes that the first 4 bytes are the length of
  // the message.
  ssize_t n = this->peer_.recv ((void *) &reply, sizeof (ACE_UINT32));

  switch (n)
    {
    case -1:
      // FALLTHROUGH
      ACE_DEBUG ((LM_DEBUG,
                  ACE_TEXT ("****************** recv_reply returned -1\n")));
    default:
      ACE_ERROR ((LM_ERROR,
                  ACE_TEXT ("%p got %d bytes, expected %d bytes\n"),
                  ACE_TEXT ("recv failed"),
                  n,
                  sizeof (ACE_UINT32)));
      // FALLTHROUGH
    case 0:
      // We've shutdown unexpectedly
      return -1;
      // NOTREACHED
    case sizeof (ACE_UINT32):
      {
        // Transform the length into host byte order.
        ssize_t length = ACE_NTOHL (reply.length ());

        // Receive the rest of the request message.
        // @@ beware of blocking read!!!.
        n = this->peer_.recv ((void *) (((char *) &reply)
                                        + sizeof (ACE_UINT32)),
                              length - sizeof (ACE_UINT32));

        // Subtract off the size of the part we skipped over...
        if (n != ssize_t (length - sizeof (ACE_UINT32)))
          {
            ACE_ERROR ((LM_ERROR,
                        ACE_TEXT ("%p expected %d, got %d\n"),
                        ACE_TEXT ("invalid length"),
                        length,
                        n));
            return -1;
          }

        // Decode the request into host byte order.
        if (reply.decode () == -1)
          {
            ACE_ERROR ((LM_ERROR,
                        ACE_TEXT ("%p\n"),
                        ACE_TEXT ("decode failed")));
            return -1;
          }
      }
    }
  return 0;
}
Exemple #2
0
int
ACE_Remote_Name_Space::resolve (const ACE_NS_WString &name,
                                ACE_NS_WString &value,
                                char *&type)
{
  ACE_TRACE ("ACE_Remote_Name_Space::resolve");
  ACE_Auto_Basic_Array_Ptr<ACE_WCHAR_T> name_urep (name.rep ());
  ACE_UINT32 name_len =
    static_cast<ACE_UINT32> (name.length () * sizeof (ACE_WCHAR_T));
  ACE_Name_Request request (ACE_Name_Request::RESOLVE,
                            name_urep.get (),
                            name_len,
                            0, 0, 0, 0);

  if (this->ns_proxy_.send_request (request) == -1)
    return -1;

  ACE_Name_Request reply;

  if (this->ns_proxy_.recv_reply (reply) == -1)
    return -1;

  ACE_NS_WString temp (reply.value (), reply.value_len () / sizeof (ACE_WCHAR_T));
  value = temp;
  ACE_NEW_RETURN (type,
                  char[reply.type_len () + 1],
                  -1);
  ACE_OS::strcpy (type, reply.type ());
  return 0;
}
Exemple #3
0
int
ACE_Remote_Name_Space::list_types (ACE_WSTRING_SET &set,
                                   const ACE_NS_WString &pattern)
{
  ACE_TRACE ("ACE_Remote_Name_Space::list_types");
  ACE_Auto_Basic_Array_Ptr<ACE_WCHAR_T> pattern_urep (pattern.rep ());
  ACE_UINT32 pattern_len =
    static_cast<ACE_UINT32> (pattern.length () * sizeof (ACE_WCHAR_T));
  ACE_Name_Request request (ACE_Name_Request::LIST_TYPES,
                            pattern_urep.get (),
                            pattern_len,
                            0, 0, 0, 0);

  if (this->ns_proxy_.send_request (request) == -1)
    return -1;

  ACE_Name_Request reply (0, 0, 0, 0, 0, 0, 0, 0);

  while (reply.msg_type () != ACE_Name_Request::MAX_ENUM)
    {
      if (this->ns_proxy_.recv_reply (reply) == -1)
        ACE_ERROR_RETURN ((LM_ERROR,
                           ACE_TEXT ("%p\n"),
                           ACE_TEXT ("ACE_Remote_Name_Space::list_values")),
                           -1);
      if (reply.msg_type () != ACE_Name_Request::MAX_ENUM)
        {
          ACE_NS_WString type (reply.type ());
          set.insert (type);
        }
    }

  return 0;
}
int
ACE_Remote_Name_Space::list_name_entries (ACE_BINDING_SET &set,
                                          const ACE_NS_WString &pattern)
{
  ACE_TRACE ("ACE_Remote_Name_Space::list_name_entries");
  ACE_Auto_Basic_Array_Ptr<ACE_WCHAR_T> pattern_urep (pattern.rep ());
  ACE_UINT32 pattern_len =
    static_cast<ACE_UINT32> (pattern.length () * sizeof (ACE_WCHAR_T));
  ACE_Name_Request request (ACE_Name_Request::LIST_NAME_ENTRIES,
                            pattern_urep.get (),
                            pattern_len,
                            0, 0, 0, 0);

  if (this->ns_proxy_.send_request (request) == -1)
    return -1;

  ACE_Name_Request reply (0, 0, 0, 0, 0, 0, 0, 0);

  while (reply.msg_type () != ACE_Name_Request::MAX_ENUM)
    {
      if (this->ns_proxy_.recv_reply (reply) == -1)
        ACE_ERROR_RETURN ((LM_ERROR,
                           ACE_LIB_TEXT ("%p\n"),
                           ACE_LIB_TEXT ("ACE_Remote_Name_Space::list_names")),
                           -1);
      if (reply.msg_type () != ACE_Name_Request::MAX_ENUM)
        {
          ACE_NS_WString name (reply.name (),
                               reply.name_len () / sizeof (ACE_WCHAR_T));
          ACE_NS_WString value (reply.value (),
                                reply.value_len () / sizeof (ACE_WCHAR_T));
          ACE_Name_Binding entry (name,
                                  value,
                                  reply.type ());
          if (set.insert (entry) == -1)
            return -1;
        }
    }
  return 0;
}
Exemple #5
0
int
ACE_Name_Proxy::request_reply (ACE_Name_Request &request)
{
  ACE_TRACE ("ACE_Name_Proxy::request_reply");
  void *buffer;
  ssize_t length = request.encode (buffer);

  if (length == -1)
    ACE_ERROR_RETURN ((LM_ERROR,
                       ACE_TEXT ("%p\n"),
                       ACE_TEXT ("encode failed")),
                      -1);

  // Transmit request via a blocking send.

  if (this->peer_.send_n (buffer, length) != length)
    ACE_ERROR_RETURN ((LM_ERROR,
                       ACE_TEXT ("%p\n"),
                       ACE_TEXT ("send_n failed")),
                      -1);
  else
    {
      ACE_Name_Reply reply;

      // Receive reply via blocking read.

      if (this->peer_.recv_n (&reply,
                              sizeof reply) == -1)
        ACE_ERROR_RETURN ((LM_ERROR,
                           ACE_TEXT ("%p\n"),
                           ACE_TEXT ("recv failed")),
                          -1);
      else if (reply.decode () == -1)
        ACE_ERROR_RETURN ((LM_ERROR,
                           ACE_TEXT ("%p\n"),
                           ACE_TEXT ("decode failed")),
                          -1);
      errno = int (reply.errnum ());
      return reply.status ();
    }
}
Exemple #6
0
/* VIRTUAL */ int
ACE_Name_Handler::send_request (ACE_Name_Request &request)
{
  ACE_TRACE (ACE_TEXT ("ACE_Name_Handler::send_request"));
  void *buffer;
  ssize_t length = request.encode (buffer);

  if (length == -1)
    ACE_ERROR_RETURN ((LM_ERROR,
                       ACE_TEXT ("%p\n"),
                       ACE_TEXT ("encode failed")),
                      -1);
  // Transmit request via a blocking send.

  if (this->peer ().send_n (buffer, length) != length)
    ACE_ERROR_RETURN ((LM_ERROR,
                       ACE_TEXT ("%p\n"),
                       ACE_TEXT ("send_n failed")),
                      -1);
  return 0;
}
Exemple #7
0
int
ACE_Name_Proxy::send_request (ACE_Name_Request &request)
{
  ACE_TRACE ("ACE_Name_Proxy::send_request");
  void *buffer;
  ssize_t length = request.encode (buffer);

  if (length == -1)
    ACELIB_ERROR_RETURN ((LM_ERROR,
                       ACE_TEXT ("%p\n"),
                       ACE_TEXT ("encode failed")),
                      -1);

  // Transmit request via a blocking send.

  else if (this->peer_.send_n (buffer, length) != length)
    ACELIB_ERROR_RETURN ((LM_ERROR,
                       ACE_TEXT ("%p\n"),
                       ACE_TEXT ("send_n failed")),
                      -1);
  return 0;
}