JRegurgitate.cc

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#include <string>
#include <iostream>
#include <iomanip>
 
#include "JDAQ/JDAQTimesliceIO.hh"
#include "JDAQ/JDAQEventIO.hh"
#include "JDAQ/JDAQSummarysliceIO.hh"
 
#include "JSupport/JMultipleFileScanner.hh"
#include "JSupport/JSupport.hh"
 
#include "JROOT/JROOTClassSelector.hh"
#include "JLang/JPipe.hh"
#include "JLang/JValve.hh"
 
#include "JDAQ/JDAQTags.hh"
#include "JNet/JControlHostObjectOutput.hh"
 
#include "Jeep/JTimekeeper.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"
 
namespace {
 
  using namespace JPP;
 
  /**
   * Auxiliary class to control object throughput.
   */
  struct JRegulator_t :
    public JRegulator,
    public JTimekeeper
  {
    /**
     * Constructor.
     *
     * \param  rate_Hz       rate [Hz]
     * \param  time_s        time [s]
     */
    JRegulator_t(const double rate_Hz,
                 const double time_s)
    {
      setInterval((long long int) (1.0e6 / rate_Hz));
 
      t1 = getLocalTime()  +  (localtime_t) (1.0e6 * time_s);
    }
 
 
    /**
     * Accept.
     *
     * \return            true
     */
    virtual bool accept() const
    {
      if ((bool) (*this)) {
      
        this->wait();
        
        return true;
      }
 
      return false;
    }
 
    
    /**
     * Type conversion operator.
     *
     * \return            true if within time; else false
     */
    inline operator bool() const
    {
      return getLocalTime() < t1;
    }
    
 
  protected:
    localtime_t t1;
  };
}
 
 
/**
 * \file
 * Auxiliary program to send objects to JLigier.cc server.
 * The option <tt>-H <hostname>[:port]</tt> correponds to the hostname and the port of the server, respectively.
 * \author mdejong
 */
int main(int argc, const char *argv[])
{
  using namespace std;
  using namespace JPP;
 
  typedef JDAQTypes_t  typelist;
  
  JMultipleFileScanner<typelist> inputFile;
  string             hostname;
  JROOTClassSelector selector;
  double             rate_Hz;
  double             time_s;
  int                debug;
  bool               eof;
  
  try {
 
    JParser<> zap("Auxiliary program to send objects to JLigier server.");
 
    zap['f'] = make_field(inputFile);
    zap['H'] = make_field(hostname)       = "localhost";
    zap['C'] = make_field(selector)       = getROOTClassSelection<typelist>();
    zap['R'] = make_field(rate_Hz);
    zap['T'] = make_field(time_s);
    zap['d'] = make_field(debug)          = 1;
    zap['C'] = JPARSER::not_initialised();
    zap['e'] = make_field(eof);
    
    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }
 
  JControlHostObjectOutput<typelist> out(hostname);
 
  for (JRegulator_t regulator(rate_Hz, time_s); regulator;  inputFile.rewind()) {
    inputFile | JValve<typelist>(selector) | regulator | out;
    if (eof) { 
      break;
    }
  }
 
}