1 /* Copyright (c) 2016, 2021, Oracle and/or its affiliates. 2 3 This program is free software; you can redistribute it and/or modify 4 it under the terms of the GNU General Public License, version 2.0, 5 as published by the Free Software Foundation. 6 7 This program is also distributed with certain software (including 8 but not limited to OpenSSL) that is licensed under separate terms, 9 as designated in a particular file or component or in included license 10 documentation. The authors of MySQL hereby grant you an additional 11 permission to link the program and your derivative works with the 12 separately licensed software that they have included with MySQL. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License, version 2.0, for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program; if not, write to the Free Software 21 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ 22 23 #ifndef GCS_GROUP_MANAGEMENT_INTERFACE_INCLUDED 24 #define GCS_GROUP_MANAGEMENT_INTERFACE_INCLUDED 25 26 #include "gcs_types.h" 27 28 class Gcs_group_management_interface 29 { 30 public: 31 /** 32 Method that allows sending of a new group configuration. This is 33 to be used when the group is blocked due to a loss of majority and 34 only on one node from the new group. 35 36 Implementations in each binding might have there specificities but some 37 rules must be followed: 38 - This should be a non-blocking call; 39 - Typically, it shall cause a View Change, since we are forcing a new 40 configuration. 41 42 @param[in] reconfigured_group a list containing the new nodes 43 */ 44 45 virtual enum_gcs_error 46 modify_configuration(const Gcs_interface_parameters& reconfigured_group)= 0; 47 48 ~Gcs_group_management_interface()49 virtual ~Gcs_group_management_interface() {}; 50 }; 51 52 #endif //GCS_GROUP_MANAGEMENT_INTERFACE_INCLUDED 53