| 1 | /** @file | 
| 2 | * $Source: /home/cvsmanager/yoda/techmodel/TabDumpReader.cpp,v $ | 
| 3 | * $Id: TabDumpReader.cpp,v 1.2 2004/07/17 20:03:38 kusanagi Exp $ | 
| 4 | * $Author: kusanagi $ | 
| 5 | * | 
| 6 | * Implementation of the TabDumpReader 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 | #include "ReaderAlgorithms.h" | 
| 17 |  | 
| 18 | using namespace pamela; | 
| 19 | using namespace pamela::techmodel; | 
| 20 |  | 
| 21 | static log4cpp::Category& cat = log4cpp::Category::getInstance("pamela.techmodel.TabDumpReader"); | 
| 22 |  | 
| 23 | /** | 
| 24 | * Constructor. | 
| 25 | */ | 
| 26 | TabDumpReader::TabDumpReader(void): | 
| 27 | TechmodelAlgorithm(PacketType::TabDump, "TechmodelTabDump") { | 
| 28 | TabDump = new TabDumpEvent(); | 
| 29 | } | 
| 30 |  | 
| 31 | /** | 
| 32 | * Get a string with the version info of the algorithm. | 
| 33 | */ | 
| 34 | std::string TabDumpReader::GetVersionInfo(void) const { | 
| 35 | return "$Header: /home/cvsmanager/yoda/techmodel/TabDumpReader.cpp,v 1.2 2004/07/17 20:03:38 kusanagi Exp $\n"; | 
| 36 | } | 
| 37 |  | 
| 38 | /** | 
| 39 | * Initialize the algorithm with a special run. This will initialize the | 
| 40 | * event reader routines for all packet types. | 
| 41 | */ | 
| 42 | void TabDumpReader::Init(PamelaRun *run) { | 
| 43 | SetInputStream(run); | 
| 44 | run->WriteSubPacket(this, &TabDump, TabDump->Class()); | 
| 45 | } | 
| 46 |  | 
| 47 | /** | 
| 48 | * Unpack the TabDump event from an input file. | 
| 49 | */ | 
| 50 | void TabDumpReader::RunEvent(int EventNumber, long int length) { | 
| 51 |  | 
| 52 | char     *subData; | 
| 53 | char      eventCRC[2]; | 
| 54 | UINT16    subCRC;      //CRC of the data | 
| 55 | UINT16    readCRC;     //CRC read from the end of the subpacket | 
| 56 | long int  dataLength; | 
| 57 |  | 
| 58 | //the 2 bytes subtracted belong to the final event CRC bytes | 
| 59 | dataLength = length - (long int)2; | 
| 60 |  | 
| 61 | subData = new char[dataLength]; | 
| 62 | InputFile->read(subData, sizeof(unsigned char)*dataLength); | 
| 63 | subCRC = CM_Compute_CRC16(0, (BYTE*)subData, dataLength); | 
| 64 |  | 
| 65 | //took the final CRC to compare it with the previous calculated CRC of the data | 
| 66 | InputFile->read(eventCRC, sizeof(eventCRC)); | 
| 67 | readCRC = (((UINT16)(eventCRC[0]<<8))&0xFF00) + (((UINT16)eventCRC[1])&0x00FF); | 
| 68 |  | 
| 69 | //finally check if the RecordCRC is correct and finally update the partialCRC | 
| 70 | if (subCRC == readCRC){ | 
| 71 | TabDumpRecord* rec; | 
| 72 | long int offset = 0; | 
| 73 | int i = 0; | 
| 74 | int size; | 
| 75 | TabDump->Records->Clear(); | 
| 76 | TClonesArray &recs = *(TabDump->Records); | 
| 77 | while (offset < dataLength){ | 
| 78 | rec = new(recs[i++]) TabDumpRecord(); //add a new TabDump | 
| 79 | rec->Tab_ID  = ((UINT8)subData[offset])&0xFF; | 
| 80 | rec->Nrow = ((UINT8)subData[offset+1])&0xFF; | 
| 81 | rec->Ncol = ((UINT8)subData[offset+2])&0xFF; | 
| 82 | rec->Data = new UINT32[(rec->Nrow)*(rec->Ncol)]; | 
| 83 | size = sizeof(UINT32)*(rec->Nrow)*(rec->Ncol); | 
| 84 | memcpy(rec->Data, (UINT32*)(subData+offset+3), size); | 
| 85 | offset = offset + size + 3; | 
| 86 | } | 
| 87 | free(subData); | 
| 88 | } else { | 
| 89 | cat <<  log4cpp::Priority::ERROR | 
| 90 | <<  "Wrong CRC on Subpacket in TabDump Packet " | 
| 91 | <<  "\n " << log4cpp::CategoryStream::ENDLINE; | 
| 92 | } | 
| 93 | } |