icinga2/lib/db_ido/dbconnection.hpp

144 lines
5.3 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2017 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 DBCONNECTION_H
#define DBCONNECTION_H
#include "db_ido/i2-db_ido.hpp"
#include "db_ido/dbconnection.thpp"
#include "db_ido/dbobject.hpp"
#include "db_ido/dbquery.hpp"
#include "base/timer.hpp"
#include "base/ringbuffer.hpp"
#include <boost/thread/once.hpp>
#include <boost/thread/mutex.hpp>
#define IDO_CURRENT_SCHEMA_VERSION "1.14.2"
#define IDO_COMPAT_SCHEMA_VERSION "1.14.2"
namespace icinga
{
/**
* A database connection.
*
* @ingroup db_ido
*/
class I2_DB_IDO_API DbConnection : public ObjectImpl<DbConnection>
{
public:
DECLARE_OBJECT(DbConnection);
DbConnection(void);
static void InitializeDbTimer(void);
void SetConfigHash(const DbObject::Ptr& dbobj, const String& hash);
void SetConfigHash(const DbType::Ptr& type, const DbReference& objid, const String& hash);
String GetConfigHash(const DbObject::Ptr& dbobj) const;
String GetConfigHash(const DbType::Ptr& type, const DbReference& objid) const;
void SetObjectID(const DbObject::Ptr& dbobj, const DbReference& dbref);
DbReference GetObjectID(const DbObject::Ptr& dbobj) const;
void SetInsertID(const DbObject::Ptr& dbobj, const DbReference& dbref);
void SetInsertID(const DbType::Ptr& type, const DbReference& objid, const DbReference& dbref);
DbReference GetInsertID(const DbObject::Ptr& dbobj) const;
DbReference GetInsertID(const DbType::Ptr& type, const DbReference& objid) const;
void SetObjectActive(const DbObject::Ptr& dbobj, bool active);
bool GetObjectActive(const DbObject::Ptr& dbobj) const;
void ClearIDCache(void);
void SetConfigUpdate(const DbObject::Ptr& dbobj, bool hasupdate);
bool GetConfigUpdate(const DbObject::Ptr& dbobj) const;
void SetStatusUpdate(const DbObject::Ptr& dbobj, bool hasupdate);
bool GetStatusUpdate(const DbObject::Ptr& dbobj) const;
int GetQueryCount(RingBuffer::SizeType span) const;
virtual int GetPendingQueryCount(void) const = 0;
virtual void ValidateFailoverTimeout(double value, const ValidationUtils& utils) override;
virtual void ValidateCategories(const Array::Ptr& value, const ValidationUtils& utils) override;
protected:
virtual void OnConfigLoaded(void) override;
virtual void Start(bool runtimeCreated) override;
virtual void Stop(bool runtimeRemoved) override;
virtual void Resume(void) override;
virtual void Pause(void) override;
virtual void ExecuteQuery(const DbQuery& query) = 0;
virtual void ExecuteMultipleQueries(const std::vector<DbQuery>&) = 0;
virtual void ActivateObject(const DbObject::Ptr& dbobj) = 0;
virtual void DeactivateObject(const DbObject::Ptr& dbobj) = 0;
virtual void CleanUpExecuteQuery(const String& table, const String& time_column, double max_age);
virtual void FillIDCache(const DbType::Ptr& type) = 0;
virtual void NewTransaction(void) = 0;
void UpdateObject(const ConfigObject::Ptr& object);
void UpdateAllObjects(void);
void PrepareDatabase(void);
void IncreaseQueryCount(void);
bool IsIDCacheValid(void) const;
void SetIDCacheValid(bool valid);
void EnableActiveChangedHandler(void);
static void UpdateProgramStatus(void);
static int GetSessionToken(void);
private:
bool m_IDCacheValid;
std::map<std::pair<DbType::Ptr, DbReference>, String> m_ConfigHashes;
std::map<DbObject::Ptr, DbReference> m_ObjectIDs;
std::map<std::pair<DbType::Ptr, DbReference>, DbReference> m_InsertIDs;
std::set<DbObject::Ptr> m_ActiveObjects;
std::set<DbObject::Ptr> m_ConfigUpdates;
std::set<DbObject::Ptr> m_StatusUpdates;
Timer::Ptr m_CleanUpTimer;
void CleanUpHandler(void);
static Timer::Ptr m_ProgramStatusTimer;
static boost::once_flag m_OnceFlag;
static void InsertRuntimeVariable(const String& key, const Value& value);
mutable boost::mutex m_StatsMutex;
RingBuffer m_QueryStats;
bool m_ActiveChangedHandler;
};
struct database_error : virtual std::exception, virtual boost::exception { };
struct errinfo_database_query_;
typedef boost::error_info<struct errinfo_database_query_, std::string> errinfo_database_query;
}
#endif /* DBCONNECTION_H */