yoda/techmodel/ArrDumpReader.cpp

/** @file
 * $Source: /home/cvsmanager/yoda/techmodel/ArrDumpReader.cpp,v $
 * $Id: ArrDumpReader.cpp,v 2.1 2004/12/03 22:08:00 kusanagi Exp $
 * $Author: kusanagi $
 * 
 * Implementation of the ArrDumpReader class.
 */

#include <string>
#include <log4cxx/logger.h>
#include <fstream>
#include "stdio.h"
extern "C" {
    #include "CRC.h"
}

#include "ReaderAlgorithms.h"

using namespace pamela;
using namespace pamela::techmodel;

static log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger(_T("pamela.techmodel.ArrDumpReader"));

/**
 * Constructor. 
 */
ArrDumpReader::ArrDumpReader(void): 
  TechmodelAlgorithm(PacketType::ArrDump, "TechmodelArrDump") { 
  logger->debug(_T("Constructor"));
  ArrDump = new ArrDumpEvent();
}

/**
 * Get a string with the version info of the algorithm.
 */
std::string ArrDumpReader::GetVersionInfo(void) const {
  return "$Header: /home/cvsmanager/yoda/techmodel/ArrDumpReader.cpp,v 2.1 2004/12/03 22:08:00 kusanagi Exp $\n";
}

/**
 * Initialize the algorithm with a special run. This will initialize the
 * event reader routines for all packet types.
 */
void ArrDumpReader::Init(PamelaRun *run) {
  logger->debug(_T("Initialize"));
  SetInputStream(run);
  run->WriteSubPacket(this, &ArrDump, ArrDump->Class());
}

/**
 * Unpack the ArrDump event from an input file.
 */
void ArrDumpReader::RunEvent(int EventNumber, long int length) throw (WrongCRCException){
  
  char     *subData;
  char      eventCRC[2];
  UINT16    subCRC;      //CRC of the data
  UINT16    readCRC;     //CRC read from the end of the subpacket
  long int  dataLength;
  
    //the 2 bytes subtracted belong to the final event CRC bytes
    dataLength = length - (long int)2;

    subData = new char[dataLength];
    InputFile->read(subData, sizeof(unsigned char)*dataLength);
    subCRC = CM_Compute_CRC16(0, (BYTE*)subData, dataLength);

    //took the final CRC to compare it with the previous calculated CRC of the data
    InputFile->read(eventCRC, sizeof(eventCRC));
    readCRC = (((UINT16)(eventCRC[0]<<8))&0xFF00) + (((UINT16)eventCRC[1])&0x00FF);
    
    //finally check if the RecordCRC is correct and finally update the partialCRC
    if (subCRC != readCRC) throw WrongCRCException(" Wrong CRC for ArrDump Packet ");

    ArrDumpRecord* rec;
    long int offset = 0;
    int i = 0;
    int size;
    ArrDump->Records->Clear();
    TClonesArray &recs = *(ArrDump->Records);
    while (offset < dataLength){
        rec = new(recs[i++]) ArrDumpRecord(); //add a new TmtcRecord
        rec->Arr_ID  = ((UINT8)subData[offset])&0xFF;
        rec->Arr_len = (((UINT16)subData[offset+1]<<8)&0xFF00) + ((UINT16)subData[offset+2])&0x00FF;
        size = sizeof(UINT32)*(rec->Arr_len);
        rec->Data  = new TArrayI((int)rec->Arr_len, (int*)(subData+offset+3));
        offset = offset + size + 3;
    }
    delete [] subData;
  }
1	kusanagi	1.1	/** @file
2	kusanagi	1.2	* $Source: /home/cvsmanager/yoda/techmodel/ArrDumpReader.cpp,v $
3	kusanagi	2.2	* $Id: ArrDumpReader.cpp,v 2.1 2004/12/03 22:08:00 kusanagi Exp $
4	kusanagi	1.2	* $Author: kusanagi $
5	kusanagi	1.1	*
6			* Implementation of the ArrDumpReader class.
7			*/
8
9			#include <string>
10	kusanagi	1.6	#include <log4cxx/logger.h>
11	kusanagi	1.1	#include <fstream>
12			#include "stdio.h"
13			extern "C" {
14			#include "CRC.h"
15			}
16
17			#include "ReaderAlgorithms.h"
18
19			using namespace pamela;
20			using namespace pamela::techmodel;
21
22	kusanagi	1.6	static log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger(_T("pamela.techmodel.ArrDumpReader"));
23	kusanagi	1.1
24			/**
25			* Constructor.
26			*/
27			ArrDumpReader::ArrDumpReader(void):
28			TechmodelAlgorithm(PacketType::ArrDump, "TechmodelArrDump") {
29	kusanagi	1.6	logger->debug(_T("Constructor"));
30	kusanagi	1.1	ArrDump = new ArrDumpEvent();
31			}
32
33			/**
34			* Get a string with the version info of the algorithm.
35			*/
36			std::string ArrDumpReader::GetVersionInfo(void) const {
37	kusanagi	2.2	return "$Header: /home/cvsmanager/yoda/techmodel/ArrDumpReader.cpp,v 2.1 2004/12/03 22:08:00 kusanagi Exp $\n";
38	kusanagi	1.1	}
39
40			/**
41			* Initialize the algorithm with a special run. This will initialize the
42			* event reader routines for all packet types.
43			*/
44			void ArrDumpReader::Init(PamelaRun *run) {
45	kusanagi	1.6	logger->debug(_T("Initialize"));
46	kusanagi	1.1	SetInputStream(run);
47			run->WriteSubPacket(this, &ArrDump, ArrDump->Class());
48			}
49
50			/**
51			* Unpack the ArrDump event from an input file.
52			*/
53	kusanagi	2.1	void ArrDumpReader::RunEvent(int EventNumber, long int length) throw (WrongCRCException){
54	kusanagi	1.1
55			char *subData;
56			char eventCRC[2];
57			UINT16 subCRC; //CRC of the data
58			UINT16 readCRC; //CRC read from the end of the subpacket
59			long int dataLength;
60
61			//the 2 bytes subtracted belong to the final event CRC bytes
62			dataLength = length - (long int)2;
63
64			subData = new char[dataLength];
65			InputFile->read(subData, sizeof(unsigned char)*dataLength);
66			subCRC = CM_Compute_CRC16(0, (BYTE*)subData, dataLength);
67
68			//took the final CRC to compare it with the previous calculated CRC of the data
69			InputFile->read(eventCRC, sizeof(eventCRC));
70			readCRC = (((UINT16)(eventCRC[0]<<8))&0xFF00) + (((UINT16)eventCRC[1])&0x00FF);
71
72			//finally check if the RecordCRC is correct and finally update the partialCRC
73	kusanagi	2.1	if (subCRC != readCRC) throw WrongCRCException(" Wrong CRC for ArrDump Packet ");
74
75			ArrDumpRecord* rec;
76			long int offset = 0;
77			int i = 0;
78			int size;
79			ArrDump->Records->Clear();
80			TClonesArray &recs = *(ArrDump->Records);
81			while (offset < dataLength){
82			rec = new(recs[i++]) ArrDumpRecord(); //add a new TmtcRecord
83			rec->Arr_ID = ((UINT8)subData[offset])&0xFF;
84			rec->Arr_len = (((UINT16)subData[offset+1]<<8)&0xFF00) + ((UINT16)subData[offset+2])&0x00FF;
85			size = sizeof(UINT32)*(rec->Arr_len);
86			rec->Data = new TArrayI((int)rec->Arr_len, (int*)(subData+offset+3));
87			offset = offset + size + 3;
88	kusanagi	1.1	}
89	kusanagi	1.4	delete [] subData;
90	kusanagi	1.1	}