CSCDCCEventData.cc

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#include "EventFilter/CSCRawToDigi/interface/CSCDCCEventData.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include <iostream>
#include <cstdio>
#include "EventFilter/CSCRawToDigi/interface/bitset_append.h"

#ifdef LOCAL_UNPACK
bool CSCDCCEventData::debug = false;
#else
#include <atomic>
std::atomic<bool> CSCDCCEventData::debug{false};
#endif

CSCDCCEventData::CSCDCCEventData(int sourceId, int nDDUs, int bx, int l1a) : theDCCHeader(bx, l1a, sourceId) {
  theDDUData.reserve(nDDUs);
}

CSCDCCEventData::CSCDCCEventData(const uint16_t* buf, CSCDCCExaminer* examiner) { unpack_data(buf, examiner); }

CSCDCCEventData::~CSCDCCEventData() {}

void CSCDCCEventData::unpack_data(const uint16_t* buf, CSCDCCExaminer* examiner) {
  /*
  for (int i=0;i<20;i++) {
    printf("%04x %04x %04x %04x\n",buf[i+3],buf[i+2],buf[i+1],buf[i]);
    i+=3;
  }
*/

  theDDUData.clear();
  if (debug)
    LogTrace("CSCDCCEventData|CSCRawToDigi") << "CSCDCCEventData::unpack_data() is called";

  // decode DCC header (128 bits)
  if (debug)
    LogTrace("CSCDCCEventData|CSCRawToDigi") << "unpacking dcc header...";
  theDCCHeader.setFromBuffer(buf);
  //theDCCHeader = CSCDCCHeader(buf); // direct unpacking instead of bitfields
  buf += theDCCHeader.sizeInWords();

  //std::cout <<"Sandrik DCC Id = " << theDCCHeader.getCDFSourceId()  << std::endl;

  while ((buf[7] == 0x8000) && (buf[6] == 0x0001) && (buf[5] == 0x8000)) {
    CSCDDUEventData dduEventData(buf, examiner);
    //  CSCDDUEventData dduEventData(buf);

    if (debug)
      LogTrace("CSCDCCEventData|CSCRawToDigi") << " checking ddu data integrity ";
    if (dduEventData.check()) {
      theDDUData.push_back(dduEventData);
      buf += dduEventData.sizeInWords();
    } else {
      if (debug)
        LogTrace("CSCDCCEventData|CSCRawToDigi") << "DDU Data Check failed!  ";
      break;
    }
  }

  if (debug) {
    LogTrace("CSCDCCEventData|CSCRawToDigi") << "unpacking dcc trailer ";
    LogTrace("CSCDCCEventData|CSCRawToDigi") << std::hex << buf[3] << " " << buf[2] << " " << buf[1] << " " << buf[0];
  }

  //decode dcc trailer (128 bits)
  if (debug)
    LogTrace("CSCDCCEventData|CSCRawToDigi") << "decoding DCC trailer";
  theDCCTrailer.setFromBuffer(buf);
  if (debug)
    LogTrace("CSCDCCEventData|CSCRawToDigi") << "checking DDU Trailer" << theDCCTrailer.check();

  // buf += theDCCTrailer.sizeInWords(); /* =VB= Commented out to please static analyzer */

  //std::cout << " DCC Size: " << std::dec << theSizeInWords << std::endl;
  //std::cout << "LastBuf: "  << std::hex << inputBuf[theSizeInWords-4] << std::endl;
}

bool CSCDCCEventData::check() const {
  // the trailer counts in 64-bit words
  if (debug) {
    LogTrace("CSCDCCEventData|CSCRawToDigi") << "size in Words () = " << std::dec << sizeInWords();
  }

  return theDCCHeader.check() && theDCCTrailer.check();
}

void CSCDCCEventData::addChamber(
    CSCEventData& chamber, int dduID, int dduSlot, int dduInput, int dmbID, uint16_t format_version) {
  // first, find this DDU
  int dduIndex = -1;
  int nDDUs = theDDUData.size();
  for (int i = 0; dduIndex == -1 && i < nDDUs; ++i) {
    if (theDDUData[i].header().source_id() == dduID)
      dduIndex = i;
  }

  unsigned ddu_fmt_version = 0x6;  // 2005 Format
  if (format_version >= 2013)
    ddu_fmt_version = 0x7;  

  if (dduIndex == -1) {
    // make a new one
    CSCDDUHeader newDDUHeader(
        dccHeader().getCDFBunchCounter(), dccHeader().getCDFEventNumber(), dduID, ddu_fmt_version);
    theDDUData.push_back(CSCDDUEventData(newDDUHeader));
    dduIndex = nDDUs;
    dccHeader().setDAV(dduSlot);
  }
  theDDUData[dduIndex].add(chamber, dmbID, dduInput, format_version);
}

boost::dynamic_bitset<> CSCDCCEventData::pack() {
  boost::dynamic_bitset<> result(theDCCHeader.sizeInWords() * 16);
  result = bitset_utilities::ushortToBitset(theDCCHeader.sizeInWords() * 16, theDCCHeader.data());
  //std::cout <<"SANDRIK DCC size of header  in words"<< theDCCHeader.sizeInWords()*16 <<std::endl;
  //std::cout <<"SANDRIK DCC size of header in bits"<< result.size()<<std::endl;
  //for(size_t i = 0; i < result.size(); ++i) {
  //  std::cout<<result[i];
  //  if (((i+1)%32)==0) std::cout<<std::endl;
  //}

  for (size_t i = 0; i < theDDUData.size(); ++i) {
    result = bitset_utilities::append(result, theDDUData[i].pack());
    //std::cout <<"SANDRIK here is ddu data check ";
    //theDDUData[i].header().check();
    //std::cout <<std::endl;
    //bitset_utilities::printWords(result);
  }

  //std::cout <<"SANDRIK packed dcc size is "<<result.size()<<std::endl;
  //for(size_t i = 0; i < result.size(); ++i) {
  //  std::cout<<result[i];
  //  if (((i+1)%32)==0) std::cout<<std::endl;
  //}

  boost::dynamic_bitset<> dccTrailer =
      bitset_utilities::ushortToBitset(theDCCTrailer.sizeInWords() * 16, theDCCTrailer.data());
  result = bitset_utilities::append(result, dccTrailer);
  //  bitset_utilities::printWords(result);
  return result;
}