cardeventidxfilemanager.h

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#ifndef __CARDEVENTIDXFILEMANAGER_H
#define __CARDEVENTIDXFILEMANAGER_H

#include "cardevent.h"
#include <fstream>
#include <iostream>
#include <vector>
#include <map>
#include <stdint.h>
#include "appcore/cardevent/EBinaryRecord.h"

#ifdef _WINDOWS
    #pragma pack( push, 1 )
#endif
struct HeadFileIdx
{
    char Version;
    char RecSize;
    char HeadSize;
    uint32_t ValidFrom;
    uint32_t ValidTo;
    char Type; // 0 = incremental, 1 = full
}
#ifdef _WINDOWS
    #pragma pack(pop)
#else
    __attribute__ ((packed))
#endif
;

#ifdef _WINDOWS
    #pragma pack( push, 1 )
#endif
struct CardEventIdxFileRecordData
{
    long long SNR;
    uint32_t OffsetToDat;
}
#ifdef _WINDOWS
    #pragma pack(pop)
#else
    __attribute__ ((packed))
#endif
;

class CardEventIdxFileRecord : public EBinaryRecord
{   
public:
    CardEventIdxFileRecordData *d;

public:
    CardEventIdxFileRecord();
    CardEventIdxFileRecord( const CardEventIdxFileRecord &source );
    ~CardEventIdxFileRecord();

    unsigned long GetOffsetToDat();
    void SetOffsetToDat( unsigned long offset );
    long long GetSNR();
    void SetSNR( long long SNR );
    virtual bool operator<( const std::string& key );
    bool operator<( CardEventIdxFileRecord record );
    virtual bool operator>( const std::string& key );
    virtual bool operator!=( const std::string& key );
    virtual bool operator==( const std::string& key );
    virtual unsigned short GetSize();
    virtual std::string GetKey();
    virtual void Fill( char *data );
    virtual unsigned char *GetData();
    virtual EBinaryRecord *Clone();
};

class CardEventIdxFileManager
{
public:
    CardEventIdxFileManager();
    ~CardEventIdxFileManager();

    void Init( const char *path );
    void InitForRead( const char *path );
    void Init( const char *path, bool createNew );
    std::list<CardEventIdxFileRecord> FindEvent( long long SNR );
    void Write( CardEventIdxFileRecord idxFileRecord );
    void Write( char *data, long size );
    void ReadFirst( CardEventIdxFileRecord &idxFileRecord );
    void ReadNext( CardEventIdxFileRecord &idxFileRecord );
    std::vector<CardEventIdxFileRecordData*>* ReadWholeFile();
    unsigned long GetValidFrom() const;
    unsigned long GetValidTo() const;
    void SetValidFrom( unsigned long from );
    void SetValidTo( unsigned long to );
    void SetFileType( char type );// 0 = incremental, 1 = full
    char GetFileType() const;
    char GetEventFileVersion() const;
    long GetEventsCount() const;

    unsigned long GetFileSize() const;
    HeadFileIdx GetHeader() const;

private:
    class DataClass;
    DataClass *d;
};

#endif //__CARDEVENTIDXFILEMANAGER_H