libgfaservices/remanent/remlogger.h

// remlogger.h :
//

#if !defined(AGD_REMLOGGER_H__21BAEB7B_E478_4ED1_B9F6_FDBCE620C56B__INCLUDED_)
#define AGD_REMLOGGER_H__21BAEB7B_E478_4ED1_B9F6_FDBCE620C56B__INCLUDED_

#include <vector>
#ifndef _LIBBUILD
#include <gfa/svc/common/mysqlwrap.h>
#else	//	_LIBBUILD
#include "mysqlwrap.h"
#endif	//	_LIBBUILD

/////////////////////////////////////////////////////////////////////////////
// datalogger.h - Declarations:

#define _RL_MAX_DB_NAME_LENGTH			64
#define _RL_MAX_DB_USER_LENGTH			64
#define _RL_MAX_DB_PASS_LENGTH			64
#define _RL_MAX_TABLE_NAME_LENGTH		64
#define _RL_MAX_VARPATH_LENGTH			1000
#define _RL_MAX_STRVAL_LENGTH			1000
#define _RL_MAX_BACKLOG					100
#define _MIN(x, y)						((x) < (y) ? (x) : (y))

typedef struct _RLPARAMS
{
	char szDBName[_RL_MAX_DB_NAME_LENGTH];
	char szDBUser[_RL_MAX_DB_USER_LENGTH];
	char szDBPass[_RL_MAX_DB_PASS_LENGTH];
	char szLogsTable[_RL_MAX_TABLE_NAME_LENGTH];
}RLPARAMS, *LPRLPARAMS;
typedef const RLPARAMS *LPCRLPARAMS;


typedef struct _REM_LOG_ENTRY
{
	time_t nTimestamp;
	bool fNumeric;
	double fValue;
	char szVarPath[_RL_MAX_VARPATH_LENGTH];
	char szStrVal[_RL_MAX_STRVAL_LENGTH];
}REM_LOG_ENTRY, *LPREM_LOG_ENTRY;
typedef const REM_LOG_ENTRY *LPCREM_LOG_ENTRY;

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

class CRemLogger
{
public:
	CRemLogger(LPCRLPARAMS pdlp);
	virtual ~CRemLogger(void);
	
	bool InitDatabase(bool bCreateAlways = false);
	bool Log(const char *pszVarPath, size_t nCbVarPath, double fValue, const char *pszStrValue, size_t nCbStrValue, time_t nTimestamp, bool fNumeric);
	bool Flush(time_t nTimestamp);
	
	std::string LastError(void) const {
		return m_lastError;}

private:
	bool CreateDatabase(CMySqlDB &rdb, bool bCreateAlways = false);
	bool CreateLogsTable(CMySqlDB &rdb);
	
private:
	RLPARAMS m_rlp;
	std::vector<REM_LOG_ENTRY> m_logs;
	std::string m_lastError;
};

/////////////////////////////////////////////////////////////////////////////
#endif	//	!defined(AGD_REMLOGGER_H__21BAEB7B_E478_4ED1_B9F6_FDBCE620C56B__INCLUDED_)