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/*
* 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 {
SDL_CREATE_LOGGER("SQLDatabase")
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_));
}
bool SQLDatabase::HasErrors() const {
return Error(error_) != OK;
}
qdb_hdl_t* SQLDatabase::conn() const {
return conn_;
}
bool SQLDatabase::Backup() {
if (qdb_backup(conn_, QDB_ATTACH_DEFAULT) == -1) {
error_ = Error::ERROR;
SDL_ERROR("Backup returned error: " << std::strerror(errno));
return false;
}
SDL_INFO("Backup was successful.");
return true;
}
} // namespace dbms
} // namespace utils
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