/data/refman/pasoursint/CMSSW_6_1_2_SLHC2/src/CondTools/Ecal/src/EcalIntercalibHandler.cc

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#include "CondTools/Ecal/interface/EcalIntercalibHandler.h"
#include "FWCore/ParameterSet/interface/ParameterSetfwd.h"
#include "CondFormats/EcalObjects/interface/EcalIntercalibConstants.h"
#include "CondTools/Ecal/interface/EcalFloatCondObjectContainerXMLTranslator.h"


#include<iostream>

popcon::EcalIntercalibHandler::EcalIntercalibHandler(const edm::ParameterSet & ps)
  :    m_name(ps.getUntrackedParameter<std::string>("name","EcalIntercalibHandler")) {

        std::cout << "EcalIntercalib Source handler constructor\n" << std::endl;
        m_firstRun=static_cast<unsigned int>(atoi( ps.getParameter<std::string>("firstRun").c_str()));
        m_lastRun=static_cast<unsigned int>(atoi( ps.getParameter<std::string>("lastRun").c_str()));
        m_sid= ps.getParameter<std::string>("OnlineDBSID");
        m_user= ps.getParameter<std::string>("OnlineDBUser");
        m_pass= ps.getParameter<std::string>("OnlineDBPassword");
        m_locationsource= ps.getParameter<std::string>("LocationSource");
        m_location=ps.getParameter<std::string>("Location");
        m_gentag=ps.getParameter<std::string>("GenTag");
        m_file_lowfield= ps.getParameter<std::string>("FileLowField");
        m_file_highfield= ps.getParameter<std::string>("FileHighField");
        m_value_highfield= ps.getUntrackedParameter< double >("Value_Bon");
        //      m_value_highfield= 0.75585;



        std::cout << m_sid<<"/"<<m_user<<"/"<<m_location<<"/"<<m_gentag   << std::endl;


}

popcon::EcalIntercalibHandler::~EcalIntercalibHandler()
{
}


void popcon::EcalIntercalibHandler::getNewObjects()
{

        std::cout << "------- Ecal - > getNewObjects\n";

  std::ostringstream ss; 
  ss<<"ECAL ";

        unsigned int max_since=0;
        max_since=static_cast<unsigned int>(tagInfo().lastInterval.first);
        std::cout << "max_since : "  << max_since << std::endl;
        Ref ped_db = lastPayload();
        
        // we parse the last record in the DB and check if it is low or high field 

        std::cout << "retrieved last payload "  << std::endl;


        EcalIntercalibConstant the_cal = 0. ; // relies on it being a float.
                                              // instead should perhaps
                                              // protect the next if when
                                              // the EEDetId isn't valid?

        int iX=50;
        int iY=5;
        int iZ=-1;


        float the_value_high=(float)m_value_highfield;
        std::cout << "The value for high field at EE x/y/z= 50/5/-1 is " << the_value_high << std::endl;

        if (EEDetId::validDetId(iX,iY,iZ))
          {
            EEDetId eedetidpos(iX,iY,iZ);
            
            EcalIntercalibConstants::const_iterator it =ped_db->find(eedetidpos.rawId());
            

            the_cal = (*it);

          }
        
        bool magnet_high=true; 
        if(the_cal!= the_value_high) magnet_high=false; 


        // here we connect to the online DB to check the value of the magnetic field 

        std::cout << "Connecting to ONLINE DB ... " << std::endl;
        econn = new EcalCondDBInterface( m_sid, m_user, m_pass );
        std::cout << "Connection done" << std::endl;
        
        if (!econn)
          {
            std::cout << " Problem with OMDS: connection parameters " <<m_sid <<"/"<<m_user<<"/"<<m_pass<<std::endl;
            throw cms::Exception("OMDS not available");
          } 


        std::cout << "Retrieving last run from ONLINE DB ... " << std::endl;
        std::map<EcalLogicID, RunDat> rundat;
        RunIOV rp ;
        run_t runmax=10000000;
        std::string location_p5="P5_Co";
        econn->fetchValidDataSet(&rundat , &rp, location_p5 ,runmax);
        
        unsigned long long  irun=(unsigned long long) rp.getRunNumber();

        std::cout<< "retrieved run number "<< irun <<std::endl;  

        if(irun>max_since) {


          // retrieve from last value data record 
          // always call this method at first run
          
          std::map<EcalLogicID, RunDCSMagnetDat> dataset;
          
          econn->fetchDataSet(&dataset, &rp);
          
          if (!dataset.size()) {
            throw(std::runtime_error("Zero rows read back"));
          } else {
            std::cout<< "retrieved magnet current"<<std::endl;  
          }
          
          
          float mag_cur=0;
          
          std::map<  EcalLogicID, RunDCSMagnetDat >::iterator it;
          for (it=dataset.begin(); it!=dataset.end(); ++it){
            
            RunDCSMagnetDat  a_mag = (*it).second;
            mag_cur= a_mag.getMagnetCurrent();
            
          }
          
          
          std::string file_=m_file_highfield;
          bool something_to_transfer=false;
          if(mag_cur>7000. && magnet_high ) {
            
            std::cout << " the magnet is ON and the constants are for magnet ON " << std::endl; 
            
          } else if(mag_cur>7000. && !magnet_high ) {
            something_to_transfer=true;
            std::cout << " the magnet is ON and the constants are for magnet OFF " << std::endl; 
            std::cout << " I transfer the ON constants "<< std::endl; 
            file_=m_file_highfield;
            
          } else if(mag_cur<6000. && magnet_high ) {
            something_to_transfer=true;
            std::cout << " the magnet is OFF and the constants are for magnet ON "<< std::endl;
            std::cout << " I transfer the OFF constants "<< std::endl;
            file_=m_file_lowfield;
            
          } else if( mag_cur<6000. && !magnet_high ){
            
            std::cout << " the magnet is OFF and the constants are for magnet OFF "<< std::endl;
            file_=m_file_lowfield;
            
          } else {
            
            std::cout << " the magnet is in a strange situation I do nothing ... just be patient "<< std::endl;
            
          }
          
          
          if(something_to_transfer){
            
            std::cout << "Generating popcon record for run " << irun << "..." << std::flush;
            std::cout << "going to open file "<<file_ << std::flush;
            
            
            EcalCondHeader   header;
            EcalIntercalibConstants * payload = new EcalIntercalibConstants;
            EcalFloatCondObjectContainerXMLTranslator::readXML(file_,header,*payload);
            
            
            Time_t snc= (Time_t) irun ;
            
            popcon::PopConSourceHandler<EcalIntercalibConstants>::m_to_transfer.push_back(
                                                                                          std::make_pair(payload,snc));
            
            ss << "Run=" << irun << "_Magnet_changed_"<<std::endl; 
            m_userTextLog = ss.str()+";";
            
            
          } else {
            std::cout << "Run " << irun << " nothing sent to the DB"<< std::endl;
          
            ss<< "Run=" << irun << "_Magnet_NOT_changed_"<<std::endl; 
            m_userTextLog = ss.str()+";";
          }
          
        
          delete econn;
        } else {
            std::cout << "Run " << irun << " nothing sent to the DB"<< std::endl;
            ss<< "Run=" << irun << "_no_new_runs_"<<std::endl; 
            m_userTextLog = ss.str()+";";


        }

        

        std::cout << "Ecal - > end of getNewObjects -----------\n";

}