mirror_corosync-qdevice/qdevices/qdevice-model.h
Jan Friesse 9a1955a7d6 Initial import from corosync codebase
Used the code from corosync master
(31ddba64a2726bcedf81eb84df2e2da4846832f7)

Signed-off-by: Jan Friesse <jfriesse@redhat.com>
2018-01-23 14:24:36 +01:00

115 lines
4.9 KiB
C

/*
* Copyright (c) 2015-2017 Red Hat, Inc.
*
* All rights reserved.
*
* Author: Jan Friesse (jfriesse@redhat.com)
*
* This software licensed under BSD license, the text of which follows:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the Red Hat, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _QDEVICE_MODEL_H_
#define _QDEVICE_MODEL_H_
#include "qdevice-cmap.h"
#include "qdevice-instance.h"
#include "qdevice-model-type.h"
#include "qdevice-heuristics-exec-result.h"
#ifdef __cplusplus
extern "C" {
#endif
extern int qdevice_model_init(struct qdevice_instance *instance);
extern int qdevice_model_destroy(struct qdevice_instance *instance);
extern int qdevice_model_run(struct qdevice_instance *instance);
extern int qdevice_model_get_config_node_list_failed(struct qdevice_instance *instance);
extern int qdevice_model_config_node_list_changed(struct qdevice_instance *instance,
const struct node_list *nlist, int config_version_set, uint64_t config_version);
extern int qdevice_model_votequorum_quorum_notify(struct qdevice_instance *instance,
uint32_t quorate, uint32_t node_list_entries, votequorum_node_t node_list[]);
extern int qdevice_model_votequorum_node_list_notify(struct qdevice_instance *instance,
votequorum_ring_id_t votequorum_ring_id, uint32_t node_list_entries, uint32_t node_list[]);
extern int qdevice_model_votequorum_node_list_heuristics_notify(struct qdevice_instance *instance,
votequorum_ring_id_t votequorum_ring_id, uint32_t node_list_entries, uint32_t node_list[],
enum qdevice_heuristics_exec_result heuristics_exec_result);
extern int qdevice_model_votequorum_expected_votes_notify(struct qdevice_instance *instance,
uint32_t expected_votes);
extern int qdevice_model_ipc_cmd_status(struct qdevice_instance *instance,
struct dynar *outbuf, int verbose);
extern int qdevice_model_cmap_changed(struct qdevice_instance *instance,
const struct qdevice_cmap_change_events *events);
struct qdevice_model {
const char *name;
int (*init)(struct qdevice_instance *instance);
int (*destroy)(struct qdevice_instance *instance);
int (*run)(struct qdevice_instance *instance);
int (*get_config_node_list_failed)(struct qdevice_instance *instance);
int (*config_node_list_changed)(struct qdevice_instance *instance,
const struct node_list *nlist, int config_version_set, uint64_t config_version);
int (*votequorum_quorum_notify)(struct qdevice_instance *instance,
uint32_t quorate, uint32_t node_list_entries, votequorum_node_t node_list[]);
int (*votequorum_node_list_notify)(struct qdevice_instance *instance,
votequorum_ring_id_t votequorum_ring_id,uint32_t node_list_entries,
uint32_t node_list[]);
int (*votequorum_node_list_heuristics_notify)(struct qdevice_instance *instance,
votequorum_ring_id_t votequorum_ring_id,uint32_t node_list_entries,
uint32_t node_list[], enum qdevice_heuristics_exec_result heuristics_exec_result);
int (*votequorum_expected_votes_notify)(struct qdevice_instance *instance,
uint32_t expected_votes);
int (*ipc_cmd_status)(struct qdevice_instance *instance, struct dynar *outbuf, int verbose);
int (*cmap_changed)(struct qdevice_instance *instance,
const struct qdevice_cmap_change_events *events);
};
extern int qdevice_model_register(
enum qdevice_model_type model_type, struct qdevice_model *model);
extern void qdevice_model_register_all(void);
extern int qdevice_model_str_to_type(const char *str,
enum qdevice_model_type *model_type);
extern const char *qdevice_model_type_to_str(enum qdevice_model_type model_type);
#ifdef __cplusplus
}
#endif
#endif /* _QDEVICE_MODEL_H_ */