/[PAMELA software]/yoda/techmodel/VarDumpReader.cpp
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Contents of /yoda/techmodel/VarDumpReader.cpp

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Revision 1.4 - (show annotations) (download)
Tue Aug 24 16:01:57 2004 UTC (20 years, 3 months ago) by kusanagi
Branch: MAIN
Changes since 1.3: +3 -3 lines
substituted some free() instructions changing them with the more proper delete []

1 /** @file
2 * $Source: /home/cvsmanager/yoda/techmodel/VarDumpReader.cpp,v $
3 * $Id: VarDumpReader.cpp,v 1.3 2004/07/26 23:09:45 kusanagi Exp $
4 * $Author: kusanagi $
5 *
6 * Implementation of the VarDumpReader 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.VarDumpReader");
23
24 /**
25 * Constructor.
26 */
27 VarDumpReader::VarDumpReader(void):
28 TechmodelAlgorithm(PacketType::VarDump, "TechmodelVarDump") {
29 VarDump = new VarDumpEvent();
30 }
31
32 /**
33 * Get a string with the version info of the algorithm.
34 */
35 std::string VarDumpReader::GetVersionInfo(void) const {
36 return "$Header: /home/cvsmanager/yoda/techmodel/VarDumpReader.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 VarDumpReader::Init(PamelaRun *run) {
44 SetInputStream(run);
45 run->WriteSubPacket(this, &VarDump, VarDump->Class());
46 }
47
48 /**
49 * Unpack the VarDump event from an input file.
50 */
51 void VarDumpReader::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 int vars;
59
60 //the 2 bytes subtracted belong to the final event CRC bytes
61 dataLength = length - (long int)2;
62
63 subData = new char[dataLength];
64 InputFile->read(subData, sizeof(unsigned char)*dataLength);
65 subCRC = CM_Compute_CRC16(0, (BYTE*)subData, dataLength);
66
67 //took the final CRC to compare it with the previous calculated CRC of the data
68 InputFile->read(eventCRC, sizeof(eventCRC));
69 readCRC = (((UINT16)(eventCRC[0]<<8))&0xFF00) + (((UINT16)eventCRC[1])&0x00FF);
70
71 //finally check if the RecordCRC is correct and finally update the partialCRC
72 if (subCRC == readCRC){
73 VarDumpRecord* rec;
74 VarDump->Records->Clear();
75 TClonesArray &recs = *(VarDump->Records);
76 rec = new(recs[0]) VarDumpRecord(); //add a new TabDump
77 vars = dataLength/4;
78 rec->Data = new UINT32[vars];
79 memcpy(rec->Data, (UINT32*)subData, sizeof(UINT32)*vars);
80 } else {
81 cat << log4cpp::Priority::ERROR
82 << "Wrong CRC in VarDump Packet "
83 << "\n " << log4cpp::CategoryStream::ENDLINE;
84 }
85 delete [] subData;
86 }
87

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