RawEventFileWriterForBU.h

Go to the documentation of this file.

#ifndef EVFRAWEVENTFILEWRITERFORBU
#define EVFRAWEVENTFILEWRITERFORBU

// C++ headers
#include <cstdio>
#include <fstream>
#include <memory>
#include <vector>

// system headers
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>

// CMSSW headers
#include "EventFilter/Utilities/interface/FastMonitor.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
#include "IOPool/Streamer/interface/FRDEventMessage.h"

class RawEventFileWriterForBU {
public:
  explicit RawEventFileWriterForBU(edm::ParameterSet const& ps);
  explicit RawEventFileWriterForBU(std::string const& fileName);
  ~RawEventFileWriterForBU();

  void doOutputEvent(FRDEventMsgView const& msg);

  uint32 adler32() const { return (adlerb_ << 16) | adlera_; }

  void start() {}
  void stop();
  void initialize(std::string const& destinationDir, std::string const& name, int ls);
  void endOfLS(int ls);
  void makeRunPrefix(std::string const& destinationDir);

  static void extendDescription(edm::ParameterSetDescription& desc);

private:
  bool closefd() {
    if (outfd_ >= 0) {
      close(outfd_);
      outfd_ = -1;
      return true;
    } else
      return false;
  }
  void finishFileWrite(int ls);
  void writeJsds();
  int outfd_ = -1;

  int run_ = -1;
  std::string runPrefix_;

  jsoncollector::IntJ perRunEventCount_;
  jsoncollector::IntJ perRunFileCount_;
  jsoncollector::IntJ perRunLumiCount_;
  jsoncollector::IntJ perRunLastLumi_;

  jsoncollector::IntJ perLumiEventCount_;
  jsoncollector::IntJ perLumiFileCount_;
  jsoncollector::IntJ perLumiTotalEventCount_;
  jsoncollector::IntJ perLumiLostEventCount_;
  jsoncollector::IntJ perLumiSize_;

  jsoncollector::IntJ perFileEventCount_;
  jsoncollector::IntJ perFileSize_;

  jsoncollector::FastMonitor* fileMon_ = nullptr;
  jsoncollector::FastMonitor* lumiMon_ = nullptr;
  jsoncollector::FastMonitor* runMon_ = nullptr;

  jsoncollector::DataPointDefinition rawJsonDef_;
  jsoncollector::DataPointDefinition eolJsonDef_;
  jsoncollector::DataPointDefinition eorJsonDef_;
  bool writtenJSDs_ = false;

  std::unique_ptr<std::ofstream> ost_;
  std::string fileName_;
  std::string destinationDir_;

  int microSleep_;
  unsigned int frdFileVersion_;

  uint32 adlera_;
  uint32 adlerb_;

  unsigned int lumiOpen_ = 0;
  unsigned int lumiClosed_ = 0;
};
#endif