icinga2/lib/db_ido_pgsql/idopgsqlconnection.hpp

113 lines
4.0 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2016 Icinga Development Team (https://www.icinga.org/) *
* *
* 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 IDOPGSQLCONNECTION_H
#define IDOPGSQLCONNECTION_H
#include "db_ido_pgsql/idopgsqlconnection.thpp"
#include "base/array.hpp"
#include "base/timer.hpp"
#include "base/workqueue.hpp"
#include <libpq-fe.h>
namespace icinga
{
typedef boost::shared_ptr<PGresult> IdoPgsqlResult;
/**
* An IDO pgSQL database connection.
*
* @ingroup ido
*/
class IdoPgsqlConnection : public ObjectImpl<IdoPgsqlConnection>
{
public:
DECLARE_OBJECT(IdoPgsqlConnection);
DECLARE_OBJECTNAME(IdoPgsqlConnection);
IdoPgsqlConnection(void);
static void StatsFunc(const Dictionary::Ptr& status, const Array::Ptr& perfdata);
virtual int GetPendingQueryCount(void) const override;
protected:
virtual void OnConfigLoaded(void) override;
virtual void Resume(void) override;
virtual void Pause(void) override;
virtual void ActivateObject(const DbObject::Ptr& dbobj) override;
virtual void DeactivateObject(const DbObject::Ptr& dbobj) override;
virtual void ExecuteQuery(const DbQuery& query) override;
virtual void ExecuteMultipleQueries(const std::vector<DbQuery>& queries) override;
virtual void CleanUpExecuteQuery(const String& table, const String& time_key, double time_value) override;
virtual void FillIDCache(const DbType::Ptr& type) override;
virtual void NewTransaction(void) override;
private:
DbReference m_InstanceID;
WorkQueue m_QueryQueue;
PGconn *m_Connection;
int m_AffectedRows;
Timer::Ptr m_ReconnectTimer;
Timer::Ptr m_TxTimer;
IdoPgsqlResult Query(const String& query);
DbReference GetSequenceValue(const String& table, const String& column);
int GetAffectedRows(void);
String Escape(const String& s);
Dictionary::Ptr FetchRow(const IdoPgsqlResult& result, int row);
bool FieldToEscapedString(const String& key, const Value& value, Value *result);
void InternalActivateObject(const DbObject::Ptr& dbobj);
void InternalDeactivateObject(const DbObject::Ptr& dbobj);
void Disconnect(void);
void InternalNewTransaction(void);
void Reconnect(void);
void AssertOnWorkQueue(void);
void TxTimerHandler(void);
void ReconnectTimerHandler(void);
void StatsLoggerTimerHandler(void);
bool CanExecuteQuery(const DbQuery& query);
void InternalExecuteQuery(const DbQuery& query, int typeOverride = -1);
void InternalExecuteMultipleQueries(const std::vector<DbQuery>& queries);
void InternalCleanUpExecuteQuery(const String& table, const String& time_key, double time_value);
void ClearTableBySession(const String& table);
void ClearTablesBySession(void);
void ExceptionHandler(boost::exception_ptr exp);
void FinishConnect(double startTime);
};
}
#endif /* IDOPGSQLCONNECTION_H */