// logvar.h :
//

#if !defined(AGD_LOGVAR_H__ED3E1EC3_3899_4602_A824_5B7A58880AAC__INCLUDED_)
#define AGD_LOGVAR_H__ED3E1EC3_3899_4602_A824_5B7A58880AAC__INCLUDED_

#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include <string.h>
#include <string>
#include <pthread.h>
#include <typeinfo>
#include <vector>
#include <map>
#include <gfa/gfaipc.h>
#include "datalogger.h"

/////////////////////////////////////////////////////////////////////////////

typedef union _CHECK_UPDATE_SHM_RETVAL
{
	struct
	{
		unsigned int nChecked;
		unsigned int nUpdated;
	};
	unsigned long long nRetval;
}CHECK_UPDATE_SHM_RETVAL, *LPCHECK_UPDATE_SHM_RETVAL;
typedef const CHECK_UPDATE_SHM_RETVAL *LPCCHECK_UPDATE_SHM_RETVAL;

/////////////////////////////////////////////////////////////////////////////
// logvar.h - Declarations:

class CLoggable
{
public:
	virtual void InitPath(CLoggable *pParent, const char *pszMemberName)								= 0;
	virtual const char* GetPath(void) const																= 0;
	virtual void InitTagID(CDataLogger &rdl)															= 0;
	virtual void Sample(void)																			= 0;
	virtual void LogInterval(time_t nTimestamp, CDataLogger &rdl)										= 0;
	virtual void LogValueChanged(time_t nTimestamp, CDataLogger &rdl, bool bStartup, bool bWriteNull)	= 0;
};

/////////////////////////////////////////////////////////////////////////////

class CLogVariable : public CLoggable
{
public:
	enum VT
	{
		VT_Invalid,
		VT_bool,
		VT_I1,
		VT_UI1,
		VT_I2,
		VT_UI2,
		VT_I4,
		VT_UI4,
		VT_I8,
		VT_UI8,
		VT_float,
		VT_double,
		VT_string
	};

	typedef union
	{
		void *pVoid;
		bool *pBool;
		signed char *pI1;
		unsigned char *pUI1;
		signed short *pI2;
		unsigned short *pUI2;
		signed int *pI4;
		unsigned int *pUI4;
		signed long long *pI8;
		unsigned long long *pUI8;
		float *pFloat;
		double *pDouble;
	}V_Ptr;

	typedef union
	{
		bool boolVal;
		signed char I1Val;
		unsigned char UI1Val;
		signed short I2Val;
		unsigned short UI2Val;
		signed int I4Val;
		unsigned int UI4Val;
		signed long long I8Val;
		unsigned long long UI8Val;
		float FloatVal;
		double DoubleVal;
	}V_Val;

public:
	CLogVariable(LogTypes lt, void *pData, bool *pbLogCond, const std::type_info &rti, HSHM hShm, const char *pszName, int nIndex, CLoggable *pParent);
	CLogVariable(LogTypes lt, void *pData, void *pBase, size_t nCvOffset, unsigned int nCvBitNr, const std::type_info &rti, HSHM hShm, const char *pszName, int nIndex, CLoggable *pParent);
	virtual ~CLogVariable(void);

public:
	virtual void InitPath(CLoggable *pParent, const char *pszMemberName);
	virtual const char* GetPath(void) const {
		return m_pszPath;}
	virtual void InitTagID(CDataLogger &rdl);
	virtual void Sample(void);
	virtual void LogInterval(time_t nTimestamp, CDataLogger &rdl);
	virtual void LogValueChanged(time_t nTimestamp, CDataLogger &rdl, bool bStartup, bool bWriteNull);

private:
    void Lock(void);
    void Unlock(void);
    bool CanLog(bool fLock);

private:
	LogTypes m_lt;
	bool *m_pbLogCond;
	bool m_bOldLogCond;
    std::string m_name;
    std::string m_path;
    const char *m_pszPath;
    int m_nIndex;
    enum VT m_vt;
    volatile V_Ptr m_data;
    V_Val m_cache;
    double m_fLastSample;
    double m_fSamples;
    double m_fMin;
    double m_fMax;
    HSHM m_hShm;
    CLoggable *m_pParent;
    unsigned long long m_nUpdates;
    unsigned long m_nTagID;
    unsigned int m_nSampleCount;
    bool m_bIsIntervalLog;
    bool m_bIsCondLog;
    uint8_t *m_pnCvByte;
    uint8_t m_nCvMask;
    bool m_bCvIsBit;
    bool m_bIsDbPersistant;
};

/////////////////////////////////////////////////////////////////////////////

class CLogBitVariable : public CLoggable
{

public:
	CLogBitVariable(LogTypes lt, void *pData, size_t nOffset, unsigned int nBitNr, bool *pbLogCond, HSHM hShm, const char *pszName, CLoggable *pParent);
	CLogBitVariable(LogTypes lt, void *pData, size_t nOffset, unsigned int nBitNr, size_t nCvOffset, unsigned int nCvBitNr, HSHM hShm, const char *pszName, CLoggable *pParent);
	virtual ~CLogBitVariable(void);

public:
	virtual void InitPath(CLoggable *pParent, const char *pszMemberName);
	virtual const char* GetPath(void) const {
		return m_pszPath;}
	virtual void InitTagID(CDataLogger &rdl);
	virtual void Sample(void);
	virtual void LogInterval(time_t nTimestamp, CDataLogger &rdl);
	virtual void LogValueChanged(time_t nTimestamp, CDataLogger &rdl, bool bStartup, bool bWriteNull);

private:
    void Lock(void);
    void Unlock(void);
    bool CanLog(bool fLock);

private:
	LogTypes m_lt;
	bool *m_pbLogCond;
	bool m_bOldLogCond;
    std::string m_name;
    std::string m_path;
    const char *m_pszPath;
	bool m_cacheVal;
    double m_fLastSample;
    double m_fSamples;
    double m_fMin;
    double m_fMax;
    HSHM m_hShm;
    CLoggable *m_pParent;
    unsigned long long m_nUpdates;
    unsigned long m_nTagID;
    unsigned int m_nSampleCount;
    bool m_bIsIntervalLog;
    bool m_bIsCondLog;
    uint8_t *m_pnByte;
    uint8_t m_nMask;
    uint8_t *m_pnCvByte;
    uint8_t m_nCvMask;
    bool m_bCvIsBit;
    bool m_bIsDbPersistant;
};

/////////////////////////////////////////////////////////////////////////////
#endif	//	!defined(AGD_LOGVAR_H__ED3E1EC3_3899_4602_A824_5B7A58880AAC__INCLUDED_)