C++ (Cpp) _mongoc_cursor_fetch_stream Examples

Example #1

File: mongoc-cursor-cursorid.c Project: christopherjwang/mongo-c-driver

static bool
_mongoc_cursor_cursorid_get_more (mongoc_cursor_t *cursor)
{
   mongoc_cursor_cursorid_t *cid;
   mongoc_server_stream_t *server_stream;
   bson_t command;
   bool ret;

   ENTRY;

   cid = (mongoc_cursor_cursorid_t *)cursor->iface_data;
   BSON_ASSERT (cid);

   server_stream = _mongoc_cursor_fetch_stream (cursor);

   if (!server_stream) {
      RETURN (false);
   }

   if (_use_find_command (cursor, server_stream)) {
      if (!_mongoc_cursor_prepare_getmore_command (cursor, &command)) {
         mongoc_server_stream_cleanup (server_stream);
         RETURN (false);
      }

      ret = _mongoc_cursor_cursorid_refresh_from_command (cursor, &command);
      bson_destroy (&command);
   } else {
      ret = _mongoc_cursor_op_getmore (cursor, server_stream);
      cid->in_reader = ret;
   }

   mongoc_server_stream_cleanup (server_stream);
   RETURN (ret);
}

Example #2

File: mongoc-cursor-cmd.c Project: acmorrow/mongo-c-driver

static getmore_type_t
_getmore_type (mongoc_cursor_t *cursor)
{
   mongoc_server_stream_t *server_stream;
   bool use_cmd;
   data_cmd_t *data = (data_cmd_t *) cursor->impl.data;
   if (data->getmore_type != UNKNOWN) {
      return data->getmore_type;
   }
   server_stream = _mongoc_cursor_fetch_stream (cursor);
   if (!server_stream) {
      return UNKNOWN;
   }
   use_cmd = server_stream->sd->max_wire_version >= WIRE_VERSION_FIND_CMD &&
             !_mongoc_cursor_get_opt_bool (cursor, MONGOC_CURSOR_EXHAUST);
   data->getmore_type = use_cmd ? GETMORE_CMD : OP_GETMORE;
   mongoc_server_stream_cleanup (server_stream);
   return data->getmore_type;
}