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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 worker thread interface
*/
#ifndef NODE_WORKER_H
#define NODE_WORKER_H
#include "ctx.h"
#include "../../wsrep_api.h"
/**
* REPLICATION: a callback to apply and commit slave replication events */
extern enum wsrep_cb_status
node_worker_apply_cb(void* recv_ctx,
const wsrep_ws_handle_t* ws_handle,
uint32_t ws_flags,
const wsrep_buf_t* ws,
const wsrep_trx_meta_t* ws_meta,
wsrep_bool_t* exit_loop);
typedef enum node_worker_type
{
NODE_WORKER_SLAVE,
NODE_WORKER_MASTER
}
node_worker_type_t;
struct node_worker_pool;
/**
* Starts the required number of workier threads of a given type
*
* @param[in] ctx application context
* @param[in] type of a worker
* @param[in] number of workers
*
* @return worker pool handle
*/
extern struct node_worker_pool*
node_worker_start(struct node_ctx* ctx,
node_worker_type_t type,
size_t number);
/**
* Stops workers in a pool and deallocates respective resources */
extern void
node_worker_stop(struct node_worker_pool* pool);
#endif /* NODE_WORKER_H */
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