yoda/techmodel/ArrDumpReader.cpp

/** @file
 * $Source: /home/cvsmanager/yoda/techmodel/ArrDumpReader.cpp,v $
 * $Id: ArrDumpReader.cpp,v 1.3 2004/07/26 23:09:45 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 1.3 2004/07/26 23:09:45 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;
        }
    } else {
        cat <<  log4cpp::Priority::ERROR
            <<  "Wrong CRC on Subpacket in ArrDump Packet "
            <<  "\n " << log4cpp::CategoryStream::ENDLINE;
    }
    delete [] subData;
  }
1	/** @file
2	* $Source: /home/cvsmanager/yoda/techmodel/ArrDumpReader.cpp,v $
3	* $Id: ArrDumpReader.cpp,v 1.3 2004/07/26 23:09:45 kusanagi Exp $
4	* $Author: kusanagi $
5	*
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	return "$Header: /home/cvsmanager/yoda/techmodel/ArrDumpReader.cpp,v 1.3 2004/07/26 23:09:45 kusanagi Exp $\n";
37	}
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	ArrDumpRecord* rec;
73	long int offset = 0;
74	int i = 0;
75	int size;
76	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	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	}
87	} else {
88	cat << log4cpp::Priority::ERROR
89	<< "Wrong CRC on Subpacket in ArrDump Packet "
90	<< "\n " << log4cpp::CategoryStream::ENDLINE;
91	}
92	delete [] subData;
93	}