BdsDataFileCd.h

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/*******************************************************************************
 *  BdsDataFileCd.h BDRS Data File Access
 *          T.Barnaby,  BEAM Ltd,   2011-06-01
 *******************************************************************************
 */
#ifndef BdsDataFileCd_H
#define BdsDataFileCd_H
 
#include <BdsDataFile.h>
 
namespace Bds {
 
struct CdChannel_1v0 {
    BUInt8      auth;
    BUInt8      compress;
    BUInt8      spare0;
    BUInt8      spare1;
    BFloat32    calibrationFactor;
    BFloat32    calibrationPeriod;
    char        name[16];
    char        stationName[16];
    char        channelName[16];
    BUInt32     channel;
};
 
struct CdDataFormatFrame_1v0 {
    BUInt32     frameType;
    BUInt32     frameLength;
    BUInt32     maxFrameLength;
    BUInt32     numChannels;
    BUInt32     period;
    CdChannel_1v0   channels[100];
};
 
class CdDataChannel {
public:
    BString     station;
    BString     channel;
    char        mode[24];
    char        status[32];
    BTimeStamp  startTime;
    BUInt32     period;
    BUInt32     numSamples;
    BUInt32     dataSize;
    BUInt8*     data;
};
 
class CdPacketData {
public:
    BUInt32         frameType;
    BUInt32         trailerOffset;
    char            creator[8];
    char            destination[8];
    BUInt64         sequenceNum;
    BUInt32         series;
 
    BUInt32         numChannels;
    BUInt32         period;
    BTimeStamp      startTime;
    BArray<CdDataChannel>   channels;
    
    BUInt32         authKey;
    BUInt32         authSize;
    char*           auth;
    BUInt64         crc;
};
 
class CdFlag {
public:
            CdFlag(){ dead = zeroed = 0; };
    int     dead;
    int     zeroed;
};
 
class DataFileCd : public DataFile{
public:
                DataFileCd();
 
    int         getFeatures();                      
    DataOrder       getDataOrder();
    BString         getFixesInfo();                     
 
    BError          getInfo(DataInfo& dataInfo, DataFileOptions options, BList<DataError>& errors);
    BError          readData(BUInt32 channel, BUInt segment, BUInt32 blockNumber, DataBlock& data);
 
    static DataFormats  getFormats();
private:
    BError          readPacket_1v0(int validateNext);
    BError          readPacket_1v0_Scan(BUInt64& pos);
    BError          readBlock_1v0(BUInt32 channel, BUInt64 pos, DataBlock& data, int addInfo, int validateNext);
    BError          readPacket_1v1(int validateNext);
    BError          readPacket_1v1_Scan(BUInt64& pos);
    BError          readBlock_1v1(BUInt32 channel, BUInt64 pos, DataBlock& data, int addInfo, int validateNext);
    DataError       getBlockReorderInfo();          
 
    DataFileOptions         ooptions;           
    bool                ohasYear2000Blocks;     
    DataInfo            odataInfo;          
    BBufferStore            opacket;            
    BBufferStore            opacketNext;            
    BArray<BArray<DataBlockPos> >   oblockPositions;        
    
    int             odataFormat;            
    BArray<CdDataFormatFrame_1v0>   odataFormats;           
    BArray<CdFlag>          ochannelFlags;          
};
 
}
#endif