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/*
* Copyright (C) 2018 Codership Oy <info@codership.com>
*
* This file is part of wsrep-lib.
*
* Wsrep-lib 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, either version 2 of the License, or
* (at your option) any later version.
*
* Wsrep-lib 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 wsrep-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef WSREP_DB_SERVER_HPP
#define WSREP_DB_SERVER_HPP
#include "wsrep/gtid.hpp"
#include "wsrep/client_state.hpp"
#include "db_storage_engine.hpp"
#include "db_server_state.hpp"
#include "db_server_service.hpp"
#include <boost/thread.hpp>
#include <string>
#include <memory>
namespace db
{
class simulator;
class client;
class server
{
public:
server(simulator& simulator,
const std::string& name,
const std::string& address);
void applier_thread();
void start_applier();
void stop_applier();
void start_clients();
void stop_clients();
void client_thread(const std::shared_ptr<db::client>& client);
db::storage_engine& storage_engine() { return storage_engine_; }
db::server_state& server_state() { return server_state_; }
wsrep::transaction_id next_transaction_id()
{
return wsrep::transaction_id(last_transaction_id_.fetch_add(1) + 1);
}
void donate_sst(const std::string&, const wsrep::gtid&, bool);
wsrep::client_state* local_client_state();
void release_client_state(wsrep::client_state*);
wsrep::high_priority_service* streaming_applier_service();
private:
void start_client(size_t id);
db::simulator& simulator_;
db::storage_engine storage_engine_;
wsrep::default_mutex mutex_;
wsrep::default_condition_variable cond_;
db::server_service server_service_;
db::server_state server_state_;
std::atomic<size_t> last_client_id_;
std::atomic<size_t> last_transaction_id_;
std::vector<boost::thread> appliers_;
std::vector<std::shared_ptr<db::client>> clients_;
std::vector<boost::thread> client_threads_;
};
};
#endif // WSREP_DB_SERVER_HPP
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