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/* Copyright 2018-2021 Codership Oy <info@codership.com>
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 */
#ifndef WSREP_SERVER_STATE_H
#define WSREP_SERVER_STATE_H
/* wsrep-lib */
#include "wsrep/server_state.hpp"
#include "wsrep/provider.hpp"
#include "wsrep/provider_options.hpp"
/* implementation */
#include "wsrep_server_service.h"
#include "wsrep_mutex.h"
#include "wsrep_condition_variable.h"
class Wsrep_server_state : public wsrep::server_state
{
public:
static void init_once(const std::string& name,
const std::string& incoming_address,
const std::string& address,
const std::string& working_dir,
const wsrep::gtid& initial_position,
int max_protocol_version);
static int init_provider(const std::string& provider,
const std::string& options);
static int init_options();
static void deinit_provider();
static void destroy();
static Wsrep_server_state& instance()
{
return *m_instance;
}
static bool is_inited()
{
return (m_instance != NULL);
}
static wsrep::provider& get_provider()
{
return instance().provider();
}
static wsrep::provider_options* get_options()
{
return m_options.get();
}
static bool has_capability(int capability)
{
return (get_provider().capabilities() & capability);
}
static void init_provider_services();
static void deinit_provider_services();
static const wsrep::provider::services& provider_services()
{
return m_provider_services;
}
static void handle_fatal_signal();
private:
Wsrep_server_state(const std::string& name,
const std::string& incoming_address,
const std::string& address,
const std::string& working_dir,
const wsrep::gtid& initial_position,
int max_protocol_version);
~Wsrep_server_state();
Wsrep_mutex m_mutex;
Wsrep_condition_variable m_cond;
Wsrep_server_service m_service;
static wsrep::provider::services m_provider_services;
static Wsrep_server_state* m_instance;
static std::unique_ptr<wsrep::provider_options> m_options;
// Sysvars for provider plugin. We keep these here because
// they are allocated dynamically and must be freed at some
// point during shutdown (after the plugin is deinitialized).
static std::vector<st_mysql_sys_var *> m_sysvars;
};
#endif // WSREP_SERVER_STATE_H
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