Winix framework is a complete infrastructure written in the C++ programming language to create modern web applications and APIs.
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/*
* This file is a part of Winix
* and is distributed under the 2-Clause BSD licence.
* Author: Tomasz Sowa <t.sowa@ttmath.org>
*/
/*
* Copyright (c) 2010-2018, Tomasz Sowa
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 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.
*
*/
#ifndef headerfile_winix_db_dbconn
#define headerfile_winix_db_dbconn
#include <string>
#include <libpq-fe.h>
#include "dbtextstream.h"
#include "core/winixbase.h"
namespace Winix
{
class DbConn : public WinixBase
{
public:
DbConn();
~DbConn();
void SetConnParam(const std::wstring & conn_string);
void SetConnParam(const std::wstring & host, const std::wstring & port, const std::wstring & database, const std::wstring & user, const std::wstring & pass);
void Connect();
void WaitForConnection();
void Close();
bool AssertConnection(bool put_log = true, bool throw_if_no_connection = true);
void SetDbParameters();
PGconn * GetPgConn();
private:
void LogConnectionSocket();
PGconn * pg_conn;
std::wstring db_conn_string;
std::wstring db_host, db_port, db_database, db_user, db_pass;
DbTextStream conn_info;
// a helper method for escaping strings
template<class RawType>
DbTextStream::RawText<RawType> R(const RawType & par)
{
return DbTextStream::RawText<RawType>(par);
}
};
} // namespace Winix
#endif