예제 #1
0
void
Delivery_Request::marshal (TAO_OutputCDR & cdr)
{
  if (this->delivery_type_ != 0)
  {
    cdr.write_octet (this->delivery_type_);
    CORBA::ULong dest_count =
      ACE_Utils::truncate_cast<CORBA::ULong> (this->destination_id_.size ());
    cdr.write_ulong (dest_count);
    for (size_t ndest = 0; ndest < dest_count; ++ ndest)
    {
      cdr.write_ulong (this->destination_id_ [ndest]);
    }
  }
}
예제 #2
0
void
TAO_ECG_CDR_Message_Sender::send_fragment (const ACE_INET_Addr &addr,
                                           CORBA::ULong request_id,
                                           CORBA::ULong request_size,
                                           CORBA::ULong fragment_size,
                                           CORBA::ULong fragment_offset,
                                           CORBA::ULong fragment_id,
                                           CORBA::ULong fragment_count,
                                           iovec iov[],
                                           int iovcnt)
{
  CORBA::ULong header[TAO_ECG_CDR_Message_Sender::ECG_HEADER_SIZE
                     / sizeof(CORBA::ULong)
                     + ACE_CDR::MAX_ALIGNMENT];
  char* buf = reinterpret_cast<char*> (header);
  TAO_OutputCDR cdr (buf, sizeof(header));
  cdr.write_boolean (TAO_ENCAP_BYTE_ORDER);
  // Insert some known values in the padding bytes, so we can smoke
  // test the message on the receiving end.
  cdr.write_octet ('A'); cdr.write_octet ('B'); cdr.write_octet ('C');
  cdr.write_ulong (request_id);
  cdr.write_ulong (request_size);
  cdr.write_ulong (fragment_size);
  cdr.write_ulong (fragment_offset);
  cdr.write_ulong (fragment_id);
  cdr.write_ulong (fragment_count);
  CORBA::Octet padding[4];


  // MRH
  if (checksum_)
  {
    // Compute CRC
     iov[0].iov_base = cdr.begin ()->rd_ptr ();
     iov[0].iov_len  = cdr.begin ()->length ();
     unsigned int crc = 0;
     unsigned char *crc_parts = (unsigned char *)(&crc);
     if (iovcnt > 1)
       {
         crc = ACE::crc32 (iov, iovcnt);
         crc = ACE_HTONL (crc);
       }
     for (int cnt=0; cnt<4; ++cnt)
       {
         padding[cnt] = crc_parts[cnt];
       }
   }
   else
   {
     for (int cnt=0; cnt<4; ++cnt)
     {
       padding[cnt] = 0;
     }
   }
   //End MRH
  cdr.write_octet_array (padding, 4);

  iov[0].iov_base = cdr.begin ()->rd_ptr ();
  iov[0].iov_len  = cdr.begin ()->length ();

  ssize_t n = this->dgram ().send (iov,
                                   iovcnt,
                                   addr);
  size_t expected_n = 0;
  for (int i = 0; i < iovcnt; ++i)
    expected_n += iov[i].iov_len;
  if (n > 0 && size_t(n) != expected_n)
    {
      ORBSVCS_ERROR ((LM_ERROR, ("Sent only %d out of %d bytes "
                              "for mcast fragment.\n"),
                  n,
                  expected_n));
    }

  if (n == -1)
    {
      if (errno == EWOULDBLOCK)
        {
          ORBSVCS_ERROR ((LM_ERROR, "Send of mcast fragment failed (%m).\n"));
          // @@ TODO Use a Event Channel specific exception
          throw CORBA::COMM_FAILURE ();
        }
      else
        {
          ORBSVCS_DEBUG ((LM_WARNING, "Send of mcast fragment blocked (%m).\n"));
        }
    }
  else if (n == 0)
    {
      ORBSVCS_DEBUG ((LM_WARNING, "EOF on send of mcast fragment (%m).\n"));
    }
}