icinga2/components/db_ido_pgsql/idopgsqlconnection.h

98 lines
3.4 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2014 Icinga Development Team (http://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.th"
#include "base/array.h"
#include "base/timer.h"
#include "base/workqueue.h"
#include <libpq-fe.h>
namespace icinga
{
typedef shared_ptr<PGresult> IdoPgsqlResult;
/**
* An IDO pgSQL database connection.
*
* @ingroup ido
*/
class IdoPgsqlConnection : public ObjectImpl<IdoPgsqlConnection>
{
public:
DECLARE_PTR_TYPEDEFS(IdoPgsqlConnection);
DECLARE_TYPENAME(IdoPgsqlConnection);
static Value StatsFunc(Dictionary::Ptr& status, Dictionary::Ptr& perfdata);
protected:
virtual void Start(void);
virtual void Stop(void);
virtual void ActivateObject(const DbObject::Ptr& dbobj);
virtual void DeactivateObject(const DbObject::Ptr& dbobj);
virtual void ExecuteQuery(const DbQuery& query);
virtual void CleanUpExecuteQuery(const String& table, const String& time_key, double time_value);
virtual void FillIDCache(const DbType::Ptr& type);
private:
DbReference m_InstanceID;
WorkQueue m_QueryQueue;
boost::mutex m_ConnectionMutex;
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 Disconnect(void);
void NewTransaction(void);
void Reconnect(void);
void AssertOnWorkQueue(void);
void TxTimerHandler(void);
void ReconnectTimerHandler(void);
void InternalExecuteQuery(const DbQuery& query, DbQueryType *typeOverride = NULL);
void InternalCleanUpExecuteQuery(const String& table, const String& time_key, double time_value);
virtual void ClearConfigTable(const String& table);
void ExceptionHandler(boost::exception_ptr exp);
};
}
#endif /* IDOPGSQLCONNECTION_H */