diff options
Diffstat (limited to 'src/components/utils/src/qdb_wrapper/sql_database.cc')
-rw-r--r-- | src/components/utils/src/qdb_wrapper/sql_database.cc | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/components/utils/src/qdb_wrapper/sql_database.cc b/src/components/utils/src/qdb_wrapper/sql_database.cc new file mode 100644 index 0000000000..b95fe17845 --- /dev/null +++ b/src/components/utils/src/qdb_wrapper/sql_database.cc @@ -0,0 +1,112 @@ +/* + * Copyright (c) 2013, Ford Motor Company + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following + * disclaimer in the documentation and/or other materials provided with the + * distribution. + * + * Neither the name of the Ford Motor Company nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <cstring> +#include "qdb_wrapper/sql_database.h" +#include "utils/logger.h" + +namespace utils { +namespace dbms { + +CREATE_LOGGERPTR_GLOBAL(logger_, "Utils") + +SQLDatabase::SQLDatabase(const std::string& db_name) + : conn_(NULL), db_name_(db_name), error_(Error::OK) {} + +SQLDatabase::~SQLDatabase() { + Close(); +} + +bool SQLDatabase::Open() { + sync_primitives::AutoLock auto_lock(conn_lock_); + if (conn_) + return true; + conn_ = qdb_connect(db_name_.c_str(), 0); + if (conn_ == NULL) { + error_ = Error::ERROR; + return false; + } + return true; +} + +void SQLDatabase::Close() { + sync_primitives::AutoLock auto_lock(conn_lock_); + if (conn_) { + if (qdb_disconnect(conn_) != -1) { + conn_ = NULL; + } else { + error_ = Error::ERROR; + } + } +} + +bool SQLDatabase::BeginTransaction() { + return Exec("BEGIN TRANSACTION"); +} + +bool SQLDatabase::CommitTransaction() { + return Exec("COMMIT TRANSACTION"); +} + +bool SQLDatabase::RollbackTransaction() { + return Exec("ROLLBACK TRANSACTION"); +} + +bool SQLDatabase::Exec(const std::string& query) { + sync_primitives::AutoLock auto_lock(conn_lock_); + if (qdb_statement(conn_, query.c_str()) == -1) { + error_ = Error::ERROR; + return false; + } + return true; +} + +SQLError SQLDatabase::LastError() const { + return SQLError(error_, qdb_geterrmsg(conn_)); +} + +qdb_hdl_t* SQLDatabase::conn() const { + return conn_; +} + +bool SQLDatabase::Backup() { + if (qdb_backup(conn_, QDB_ATTACH_DEFAULT) == -1) { + error_ = Error::ERROR; + LOG4CXX_ERROR(logger_, "Backup returned error: " << std::strerror(errno)); + return false; + } + LOG4CXX_INFO(logger_, "Backup was successful."); + return true; +} + +} // namespace dbms +} // namespace utils |