amc13::Packet Class Reference

#include <AMC13Spec.h>

Public Member Functions
void	add (unsigned int amc_no, unsigned int board, unsigned int lv1id, unsigned int orbit, unsigned int bx, const std::vector< uint64_t > &load, unsigned int user=0)
unsigned int	blocks () const
	Packet ()
bool	parse (const uint64_t *start, const uint64_t *data, unsigned int size, unsigned int lv1, unsigned int bx, bool legacy_mc=false, bool mtf7_mode=false)
std::vector< amc::Packet >	payload () const
unsigned int	size () const
bool	write (const edm::Event &ev, unsigned char *ptr, unsigned int skip, unsigned int size) const

Private Attributes
Header	header_
std::vector< amc::Packet >	payload_

Detailed Description

Definition at line 69 of file AMC13Spec.h.

Constructor & Destructor Documentation

Packet()

amc13::Packet::Packet ( )

inline

Definition at line 71 of file AMC13Spec.h.

{};

Member Function Documentation

add()

void Packet::add	(	unsigned int	amc_no,
		unsigned int	board,
		unsigned int	lv1id,
		unsigned int	orbit,
		unsigned int	bx,
		const std::vector< uint64_t > &	load,
		unsigned int	user = 0
	)

Definition at line 47 of file AMC13Spec.cc.

                                      {
    edm::LogInfo("AMC") << "Adding board " << board << " with payload size " << load.size() << " as payload #"
                        << amc_no;
    // Start by indexing with 1
    payload_.push_back(amc::Packet(amc_no, board, lv1id, orbit, bx, load, user));
  }

References l1GtPatternGenerator_cfi::bx, svgfig::load(), payload_, and EnviromentSettings::user.

Referenced by counter.Counter::register(), SequenceTypes.Task::remove(), and SequenceTypes.Task::replace().

blocks()

unsigned int Packet::blocks

(

)

const

Definition at line 177 of file AMC13Spec.cc.

                                    {
    unsigned int maxblocks = 0;
 
    for (const auto& amc : payload_)
      maxblocks = std::max(maxblocks, amc.blocks());
 
    return maxblocks;
  }

References SiStripPI::max, and payload_.

Referenced by size(), and write().

parse()

bool Packet::parse	(	const uint64_t *	start,
		const uint64_t *	data,
		unsigned int	size,
		unsigned int	lv1,
		unsigned int	bx,
		bool	legacy_mc = false,
		bool	mtf7_mode = false
	)

Definition at line 60 of file AMC13Spec.cc.

                                     {
    // Need at least a header and trailer
    // TODO check if this can be removed
    if (size < 2) {
      edm::LogError("AMC") << "AMC13 packet size too small";
      return false;
    }
 
    std::map<int, int> amc_index;
 
    header_ = Header(data++);
 
    if (!header_.check()) {
      edm::LogError("AMC") << "Invalid header for AMC13 packet: "
                           << "format version " << header_.getFormatVersion() << ", " << header_.getNumberOfAMCs()
                           << " AMC packets";
      return false;
    }
 
    if (size < 2 + header_.getNumberOfAMCs())
      return false;
 
    // Initial filling of AMC payloads.  First, get the headers.  The
    // first payload follows afterwards.
    for (unsigned int i = 0; i < header_.getNumberOfAMCs(); ++i) {
      payload_.push_back(amc::Packet(data++));
      amc_index[payload_.back().blockHeader().getAMCNumber()] = i;
    }
 
    unsigned int tot_size = 0;     // total payload size
    unsigned int tot_nblocks = 0;  // total blocks of payload
    unsigned int maxblocks = 0;    // counting the # of amc13 header/trailers (1 ea per block)
 
    bool check_crc = false;
    for (const auto& amc : payload_) {
      tot_size += amc.blockHeader().getSize();
      tot_nblocks += amc.blockHeader().getBlocks();
      maxblocks = std::max(maxblocks, amc.blockHeader().getBlocks());
 
      if (amc.blockHeader().validCRC())
        check_crc = true;
    }
 
    unsigned int words = tot_size +      // payload size
                         tot_nblocks +   // AMC headers
                         2 * maxblocks;  // AMC13 headers
 
    if (size < words) {
      edm::LogError("L1T") << "Encountered AMC 13 packet with " << size << " words, "
                           << "but expected " << words << " words: " << tot_size << " payload words, " << tot_nblocks
                           << " AMC header words, and 2 AMC 13 header words.";
      return false;
    }
 
    // Read in the first AMC block and append the payload to the
    // corresponding AMC packet.
    for (auto& amc : payload_) {
      amc.addPayload(data, amc.blockHeader().getBlockSize());
      data += amc.blockHeader().getBlockSize();
    }
 
    Trailer t(data++);
 
    int crc = 0;
    if (check_crc) {
      std::string check(reinterpret_cast<const char*>(start), reinterpret_cast<const char*>(data) - 4);
      crc = cms::CRC32Calculator(check).checksum();
 
      LogDebug("L1T") << "checking data checksum of " << std::hex << crc << std::dec;
    }
 
    t.check(crc, 0, lv1, bx);
 
    // Read in remaining AMC blocks
    for (unsigned int b = 1; b < maxblocks; ++b) {
      Header block_h(data++);
      std::vector<amc::BlockHeader> headers;
 
      for (unsigned int i = 0; i < block_h.getNumberOfAMCs(); ++i)
        headers.push_back(amc::BlockHeader(data++));
 
      check_crc = false;
      for (const auto& amc : headers) {
        payload_[amc_index[amc.getAMCNumber()]].addPayload(data, amc.getBlockSize());
        data += amc.getBlockSize();
 
        if (amc.validCRC())
          check_crc = true;
      }
 
      t = Trailer(data++);
 
      if (check_crc) {
        std::string check(reinterpret_cast<const char*>(start), reinterpret_cast<const char*>(data) - 4);
        crc = cms::CRC32Calculator(check).checksum();
 
        LogDebug("L1T") << "checking data checksum of " << std::hex << crc << std::dec;
      } else {
        crc = 0;
      }
 
      t.check(crc, b, lv1, bx);
    }
 
    for (auto& amc : payload_) {
      amc.finalize(lv1, bx, legacy_mc, mtf7_mode);
    }
 
    return true;
  }

References b, l1GtPatternGenerator_cfi::bx, amc13::Header::check(), RPCNoise_example::check, cms::CRC32Calculator::checksum(), data, TauDecayModes::dec, amc13::Header::getFormatVersion(), amc13::Header::getNumberOfAMCs(), header_, getRunAppsInfo::headers, mps_fire::i, LogDebug, SiStripPI::max, payload_, size(), AlCaHLTBitMon_QueryRunRegistry::string, and OrderedSet::t.

Referenced by L1TMP7ZeroSupp::analyze(), dqmBmtfAlgoSelector::L1TBMTFAlgoSelector::produce(), l1t::L1TRawToDigi::produce(), and omtf::OmtfUnpacker::produce().

payload()

std::vector<amc::Packet> amc13::Packet::payload ( ) const

inline

Definition at line 92 of file AMC13Spec.h.

{ return payload_; };

References payload_.

Referenced by L1TMP7ZeroSupp::analyze(), dqmBmtfAlgoSelector::L1TBMTFAlgoSelector::produce(), l1t::L1TRawToDigi::produce(), and omtf::OmtfUnpacker::produce().

size()

unsigned int Packet::size

(

void

)

const

Definition at line 186 of file AMC13Spec.cc.

                                  {
    unsigned int words = 0;
    unsigned int blocks = 0;
    unsigned int maxblocks = 0;
 
    for (const auto& amc : payload_) {
      words += amc.header().getSize();
      blocks += amc.blocks();
      maxblocks = std::max(maxblocks, amc.blocks());
    }
 
    // Size is total amount of words + # of blocks for AMC headers + # of
    // maxblocks for AMC13 block header, trailer
    return words + blocks + maxblocks * 2;
  }

References blocks(), SiStripPI::max, and payload_.

Referenced by ntupleDataFormat._Collection::__iter__(), ntupleDataFormat._Collection::__len__(), parse(), and write().

write()

bool Packet::write	(	const edm::Event &	ev,
		unsigned char *	ptr,
		unsigned int	skip,
		unsigned int	size
	)		const

Definition at line 202 of file AMC13Spec.cc.

                                                                                                       {
    if (size < this->size() * 8)
      return false;
 
    if (size % 8 != 0)
      return false;
 
    uint64_t* data = reinterpret_cast<uint64_t*>(ptr + skip);
 
    for (unsigned int b = 0; b < blocks(); ++b) {
      // uint64_t * block_start = data;
 
      std::vector<uint64_t> block_headers;
      std::vector<uint64_t> block_load;
      for (const auto& amc : payload_) {
        edm::LogInfo("AMC") << "Considering block " << b << " for payload " << amc.blockHeader().getBoardID()
                            << " with size " << amc.size() << " and " << amc.blocks() << " blocks";
        if (amc.blocks() < b + 1)
          continue;
 
        block_headers.push_back(amc.blockHeader(b));
        auto words = amc.block(b);
        block_load.insert(block_load.end(), words.begin(), words.end());
      }
 
      if (b == 0) {
        amc13::Header h(block_headers.size(), ev.orbitNumber());
        edm::LogInfo("AMC") << "Writing header for AMC13 packet: "
                            << "format version " << h.getFormatVersion() << ", " << h.getNumberOfAMCs()
                            << " AMC packets, orbit " << h.getOrbitNumber();
      }
 
      *(data++) = amc13::Header(block_headers.size(), ev.orbitNumber()).raw();
 
      block_headers.insert(block_headers.end(), block_load.begin(), block_load.end());
      for (const auto& word : block_headers)
        *(data++) = word;
 
      *data = Trailer(b, ev.id().event(), ev.bunchCrossing()).raw();
      Trailer::writeCRC(reinterpret_cast<uint64_t*>(ptr), data);
    }
 
    return true;
  }

References b, blocks(), data, ev, h, payload_, size(), optionsL1T::skip, and amc13::Trailer::writeCRC().

Referenced by pkg.AbstractPkg::generate().

Member Data Documentation

header_

Header amc13::Packet::header_

private

Definition at line 92 of file AMC13Spec.h.

Referenced by parse().

payload_

std::vector<amc::Packet> amc13::Packet::payload_

private

Definition at line 96 of file AMC13Spec.h.

Referenced by add(), blocks(), parse(), payload(), size(), and write().