icinga2/lib/pgsql_shim/pgsqlinterface.hpp

78 lines
3.2 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2018 Icinga Development Team (https://www.icinga.com/) *
* *
* This program 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. *
* *
* This program 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 this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#ifndef PGSQLINTERFACE_H
#define PGSQLINTERFACE_H
#include "pgsql_shim/pgsql_shim_export.h"
#include <memory>
#include <libpq-fe.h>
namespace icinga
{
struct PgsqlInterface
{
PgsqlInterface(const PgsqlInterface&) = delete;
PgsqlInterface& operator=(PgsqlInterface&) = delete;
virtual void Destroy() = 0;
virtual void clear(PGresult *res) const = 0;
virtual char *cmdTuples(PGresult *res) const = 0;
virtual char *errorMessage(const PGconn *conn) const = 0;
virtual size_t escapeStringConn(PGconn *conn, char *to, const char *from, size_t length, int *error) const = 0;
virtual PGresult *exec(PGconn *conn, const char *query) const = 0;
virtual void finish(PGconn *conn) const = 0;
virtual char *fname(const PGresult *res, int field_num) const = 0;
virtual int getisnull(const PGresult *res, int tup_num, int field_num) const = 0;
virtual char *getvalue(const PGresult *res, int tup_num, int field_num) const = 0;
virtual int isthreadsafe() const = 0;
virtual int nfields(const PGresult *res) const = 0;
virtual int ntuples(const PGresult *res) const = 0;
virtual char *resultErrorMessage(const PGresult *res) const = 0;
virtual ExecStatusType resultStatus(const PGresult *res) const = 0;
virtual int serverVersion(const PGconn *conn) const = 0;
virtual PGconn *setdbLogin(const char *pghost, const char *pgport, const char *pgoptions, const char *pgtty, const char *dbName, const char *login, const char *pwd) const = 0;
virtual ConnStatusType status(const PGconn *conn) const = 0;
protected:
PgsqlInterface() = default;
~PgsqlInterface() = default;
};
struct PgsqlInterfaceDeleter
{
void operator()(PgsqlInterface *ifc) const
{
ifc->Destroy();
}
};
}
extern "C"
{
PGSQL_SHIM_EXPORT icinga::PgsqlInterface *create_pgsql_shim();
}
typedef icinga::PgsqlInterface *(*create_pgsql_shim_ptr)();
#endif /* PGSQLINTERFACE_H */