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Diffstat (limited to 'wsrep-lib/dbsim/db_client.hpp')
-rw-r--r-- | wsrep-lib/dbsim/db_client.hpp | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/wsrep-lib/dbsim/db_client.hpp b/wsrep-lib/dbsim/db_client.hpp new file mode 100644 index 00000000..5536a449 --- /dev/null +++ b/wsrep-lib/dbsim/db_client.hpp @@ -0,0 +1,89 @@ +/* + * 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/>. + */ + +/** @file db_client.hpp */ + +#ifndef WSREP_DB_CLIENT_HPP +#define WSREP_DB_CLIENT_HPP + +#include "db_server_state.hpp" +#include "db_storage_engine.hpp" +#include "db_client_state.hpp" +#include "db_client_service.hpp" +#include "db_high_priority_service.hpp" + +#include <random> + +namespace db +{ + class server; + class client + { + public: + struct stats + { + long long commits; + long long rollbacks; + long long replays; + stats() + : commits(0) + , rollbacks(0) + , replays(0) + { } + }; + client(db::server&, + wsrep::client_id, + enum wsrep::client_state::mode, + const db::params&); + bool bf_abort(wsrep::seqno); + const struct stats stats() const { return stats_; } + void store_globals() + { + client_state_.store_globals(); + } + void reset_globals() + { } + void start(); + wsrep::client_state& client_state() { return client_state_; } + wsrep::client_service& client_service() { return client_service_; } + bool do_2pc() const { return false; } + private: + friend class db::server_state; + friend class db::client_service; + friend class db::high_priority_service; + template <class F> int client_command(F f); + void run_one_transaction(); + void reset_error(); + void report_progress(size_t) const; + wsrep::default_mutex mutex_; + wsrep::default_condition_variable cond_; + const db::params& params_; + db::server& server_; + db::server_state& server_state_; + db::client_state client_state_; + db::client_service client_service_; + db::storage_engine::transaction se_trx_; + wsrep::mutable_buffer data_; + std::random_device random_device_; + std::default_random_engine random_engine_; + struct stats stats_; + }; +} + +#endif // WSREP_DB_CLIENT_HPP |