Current File : //usr/include/mysql/server/private/wsrep_server_service.h
/* Copyright 2018 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_SERVICE_H
#define WSREP_SERVER_SERVICE_H
/* wsrep-lib */
#include "wsrep/server_service.hpp"
#include "wsrep/exception.hpp" // not_impemented_error(), remove when finished
#include "wsrep/storage_service.hpp"
class Wsrep_server_state;
/* wsrep::server_service interface implementation */
class Wsrep_server_service : public wsrep::server_service
{
public:
Wsrep_server_service(Wsrep_server_state& server_state)
: m_server_state(server_state)
{ }
wsrep::storage_service* storage_service(wsrep::client_service&) override;
wsrep::storage_service* storage_service(wsrep::high_priority_service&) override;
void release_storage_service(wsrep::storage_service*) override;
wsrep::high_priority_service*
streaming_applier_service(wsrep::client_service&) override;
wsrep::high_priority_service*
streaming_applier_service(wsrep::high_priority_service&) override;
void release_high_priority_service(wsrep::high_priority_service*) override;
void background_rollback(wsrep::unique_lock<wsrep::mutex> &,
wsrep::client_state &) override;
void bootstrap() override;
void log_message(enum wsrep::log::level, const char*) override;
void log_dummy_write_set(wsrep::client_state&, const wsrep::ws_meta&) override
{ throw wsrep::not_implemented_error(); }
void log_view(wsrep::high_priority_service*, const wsrep::view&) override;
void recover_streaming_appliers(wsrep::client_service&) override;
void recover_streaming_appliers(wsrep::high_priority_service&) override;
wsrep::view get_view(wsrep::client_service&, const wsrep::id& own_id) override;
wsrep::gtid get_position(wsrep::client_service&) override;
void set_position(wsrep::client_service&, const wsrep::gtid&) override;
void log_state_change(enum wsrep::server_state::state,
enum wsrep::server_state::state) override;
bool sst_before_init() const override;
std::string sst_request() override;
int start_sst(const std::string&, const wsrep::gtid&, bool) override;
int wait_committing_transactions(int) override;
void debug_sync(const char*) override;
private:
Wsrep_server_state& m_server_state;
};
/**
Helper method to create new streaming applier.
@param orig_thd Original thd context to copy operation context from.
@param ctx Context string for debug logging.
*/
class Wsrep_applier_service;
Wsrep_applier_service*
wsrep_create_streaming_applier(THD *orig_thd, const char *ctx);
/**
Helper method to create new storage service.
@param orig_thd Original thd context to copy operation context from.
@param ctx Context string for debug logging.
*/
class Wsrep_storage_service;
Wsrep_storage_service*
wsrep_create_storage_service(THD *orig_thd, const char *ctx);
#endif /* WSREP_SERVER_SERVICE */
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