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/* Copyright (c) 2019, Codership Oy. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file This unit defines various helpers to manage wsrep provider
*/
#ifndef NODE_WSREP_H
#define NODE_WSREP_H
#include "options.h"
#include "../../wsrep_api.h"
#include <pthread.h>
#include <stdbool.h>
typedef struct node_wsrep node_wsrep_t;
/**
* loads and initializes wsrep provider for further usage
*
* @param[in] opts program options
* @param[in] current_gtid GTID corresponding to the current node state
* @param[in] app_ctx application context to be passed to callbacks
*
* @return initialized object pointer
*/
extern node_wsrep_t*
node_wsrep_init(const struct node_options* opts,
const wsrep_gtid_t* current_gtid,
void* app_ctx);
/**
* connects to primary component
*
* @param[in] wsrep wsrep context
* @param[in] address address to connect at (provider specific)
* @param[in] bootsstrap bootstrap primary component if there's none
*
* @return wsrep status code
*/
extern wsrep_status_t
node_wsrep_connect(node_wsrep_t* wsrep,
const char* address,
bool bootstrap);
/**
* disconnects from primary component
*/
extern void
node_wsrep_disconnect(node_wsrep_t* wsrep);
/**
* deinitializes and unloads wsrep provider
*/
extern void
node_wsrep_close(node_wsrep_t* wsrep);
/**
* waits for the node to become SYNCED
*
* @return true if node is synced, false in any other event.
*/
extern bool
node_wsrep_wait_synced(node_wsrep_t* wsrep);
/**
* @param[in] wsrep context
* @param[out] gtid of the current view */
extern void
node_wsrep_connected_gtid(node_wsrep_t* wsrep, wsrep_gtid_t* gtid);
/**
* @return wsrep provider instance */
extern wsrep_t*
node_wsrep_provider(node_wsrep_t* wsrep);
#endif /* NODE_WSREP_H */
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