yoda/techmodel/ArrDumpReader.cpp

/** @file
 * $Source: /home/cvsmanager/yoda/techmodel/ArrDumpReader.cpp,v $
 * $Id: ArrDumpReader.cpp,v 1.2 2004/07/17 20:03:38 kusanagi Exp $
 * $Author: kusanagi $
 * 
 * Implementation of the ArrDumpReader class.
 */

#include <string>
#include <log4cpp/Category.hh>
#include <fstream>
#include "stdio.h"
extern "C" {
    #include "CRC.h"
}

#include "ReaderAlgorithms.h"

using namespace pamela;
using namespace pamela::techmodel;

static log4cpp::Category& cat = log4cpp::Category::getInstance("pamela.techmodel.ArrDumpReader");  

/**
 * Constructor. 
 */
ArrDumpReader::ArrDumpReader(void): 
  TechmodelAlgorithm(PacketType::ArrDump, "TechmodelArrDump") { 
  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 1.2 2004/07/17 20:03:38 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) {
  SetInputStream(run);
  run->WriteSubPacket(this, &ArrDump, ArrDump->Class());
}

/**
 * Unpack the ArrDump event from an input file.
 */
void ArrDumpReader::RunEvent(int EventNumber, long int length) {
  
  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){
        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;
            rec->Data = new UINT32[rec->Arr_len];
            size = sizeof(UINT32)*(rec->Arr_len);
            memcpy(rec->Data, (UINT32*)(subData+offset+3), size);
            offset = offset + size + 3;
        }
        free(subData);
    } else {
        cat <<  log4cpp::Priority::ERROR
            <<  "Wrong CRC on Subpacket in ArrDump Packet "
            <<  "\n " << log4cpp::CategoryStream::ENDLINE;
    }
  }
1	kusanagi	1.1	/** @file
2	kusanagi	1.2	* $Source: /home/cvsmanager/yoda/techmodel/ArrDumpReader.cpp,v $
3	kusanagi	1.3	* $Id: ArrDumpReader.cpp,v 1.2 2004/07/17 20:03:38 kusanagi Exp $
4	kusanagi	1.2	* $Author: kusanagi $
5	kusanagi	1.1	*
6			* Implementation of the ArrDumpReader class.
7			*/
8
9			#include <string>
10			#include <log4cpp/Category.hh>
11			#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			static log4cpp::Category& cat = log4cpp::Category::getInstance("pamela.techmodel.ArrDumpReader");
23
24			/**
25			* Constructor.
26			*/
27			ArrDumpReader::ArrDumpReader(void):
28			TechmodelAlgorithm(PacketType::ArrDump, "TechmodelArrDump") {
29			ArrDump = new ArrDumpEvent();
30			}
31
32			/**
33			* Get a string with the version info of the algorithm.
34			*/
35			std::string ArrDumpReader::GetVersionInfo(void) const {
36	kusanagi	1.3	return "$Header: /home/cvsmanager/yoda/techmodel/ArrDumpReader.cpp,v 1.2 2004/07/17 20:03:38 kusanagi Exp $\n";
37	kusanagi	1.1	}
38
39			/**
40			* Initialize the algorithm with a special run. This will initialize the
41			* event reader routines for all packet types.
42			*/
43			void ArrDumpReader::Init(PamelaRun *run) {
44			SetInputStream(run);
45			run->WriteSubPacket(this, &ArrDump, ArrDump->Class());
46			}
47
48			/**
49			* Unpack the ArrDump event from an input file.
50			*/
51			void ArrDumpReader::RunEvent(int EventNumber, long int length) {
52
53			char *subData;
54			char eventCRC[2];
55			UINT16 subCRC; //CRC of the data
56			UINT16 readCRC; //CRC read from the end of the subpacket
57			long int dataLength;
58
59			//the 2 bytes subtracted belong to the final event CRC bytes
60			dataLength = length - (long int)2;
61
62			subData = new char[dataLength];
63			InputFile->read(subData, sizeof(unsigned char)*dataLength);
64			subCRC = CM_Compute_CRC16(0, (BYTE*)subData, dataLength);
65
66			//took the final CRC to compare it with the previous calculated CRC of the data
67			InputFile->read(eventCRC, sizeof(eventCRC));
68			readCRC = (((UINT16)(eventCRC[0]<<8))&0xFF00) + (((UINT16)eventCRC[1])&0x00FF);
69
70			//finally check if the RecordCRC is correct and finally update the partialCRC
71			if (subCRC == readCRC){
72	kusanagi	1.2	ArrDumpRecord* rec;
73			long int offset = 0;
74			int i = 0;
75	kusanagi	1.3	int size;
76	kusanagi	1.2	ArrDump->Records->Clear();
77			TClonesArray &recs = *(ArrDump->Records);
78			while (offset < dataLength){
79			rec = new(recs[i++]) ArrDumpRecord(); //add a new TmtcRecord
80			rec->Arr_ID = ((UINT8)subData[offset])&0xFF;
81			rec->Arr_len = (((UINT16)subData[offset+1]<<8)&0xFF00) + ((UINT16)subData[offset+2])&0x00FF;
82	kusanagi	1.3	rec->Data = new UINT32[rec->Arr_len];
83			size = sizeof(UINT32)*(rec->Arr_len);
84			memcpy(rec->Data, (UINT32*)(subData+offset+3), size);
85			offset = offset + size + 3;
86	kusanagi	1.2	}
87	kusanagi	1.1	free(subData);
88			} else {
89			cat << log4cpp::Priority::ERROR
90			<< "Wrong CRC on Subpacket in ArrDump Packet "
91			<< "\n " << log4cpp::CategoryStream::ENDLINE;
92			}
93			}