Esempio n. 1
0
int
mu_nntp_help (mu_nntp_t nntp, mu_stream_t *pstream)
{
  int status;

  if (nntp == NULL)
    return EINVAL;

  if (pstream == NULL)
    return MU_ERR_OUT_PTR_NULL;

  switch (nntp->state)
    {
    case MU_NNTP_NO_STATE:
      status = mu_nntp_writeline (nntp, "HELP\r\n");
      MU_NNTP_CHECK_ERROR (nntp, status);
      mu_nntp_debug_cmd (nntp);
      nntp->state = MU_NNTP_HELP;

    case MU_NNTP_HELP:
      status = mu_nntp_send (nntp);
      MU_NNTP_CHECK_EAGAIN (nntp, status);
      nntp->acknowledge = 0;
      nntp->state = MU_NNTP_HELP_ACK;

    case MU_NNTP_HELP_ACK:
      status = mu_nntp_response (nntp, NULL, 0, NULL);
      MU_NNTP_CHECK_EAGAIN (nntp, status);

      mu_nntp_debug_ack (nntp);
      MU_NNTP_CHECK_CODE (nntp, MU_NNTP_RESP_CODE_HELP_FOLLOW);
      nntp->state = MU_NNTP_HELP_RX;

    case MU_NNTP_HELP_RX:
      status = mu_nntp_stream_create (nntp, pstream);
      MU_NNTP_CHECK_ERROR (nntp, status);
      break;

      /* They must deal with the error first by reopening.  */
    case MU_NNTP_ERROR:
      status = ECANCELED;
      break;

    default:
      status = EINPROGRESS;
    }

  return status;
}
/*
  LIST EXTENSIONS command, return an iterator that contains the result.
  It is the responsability of the caller to destroy the iterator(mu_iterator_destroy).
 */
int
mu_nntp_list_extensions (mu_nntp_t nntp, mu_iterator_t *piterator)
{
  int status = 0;

  if (nntp == NULL)
    return EINVAL;
  if (piterator == NULL)
    return MU_ERR_OUT_PTR_NULL;

  switch (nntp->state)
    {
    case MU_NNTP_NO_STATE:
      status = mu_nntp_writeline (nntp, "LIST EXTENSIONS\r\n");
      MU_NNTP_CHECK_ERROR (nntp, status);
      mu_nntp_debug_cmd (nntp);
      nntp->state = MU_NNTP_LIST_EXTENSIONS;

    case MU_NNTP_LIST_EXTENSIONS:
      status = mu_nntp_send (nntp);
      MU_NNTP_CHECK_EAGAIN (nntp, status);
      nntp->acknowledge = 0;
      nntp->state = MU_NNTP_LIST_EXTENSIONS_ACK;

    case MU_NNTP_LIST_EXTENSIONS_ACK:
      status = mu_nntp_response (nntp, NULL, 0, NULL);
      MU_NNTP_CHECK_EAGAIN (nntp, status);
      mu_nntp_debug_ack (nntp);
      MU_NNTP_CHECK_CODE (nntp, MU_NNTP_RESP_CODE_EXTENSIONS_FOLLOW);
      status = mu_nntp_iterator_create (nntp, piterator);
      MU_NNTP_CHECK_ERROR(nntp, status);
      nntp->state = MU_NNTP_LIST_EXTENSIONS_RX;

    case MU_NNTP_LIST_EXTENSIONS_RX:
      break;

      /* They must deal with the error first by reopening.  */
    case MU_NNTP_ERROR:
      status = ECANCELED;
      break;

    default:
      status = EINPROGRESS;
    }

  return status;
}