NtpMCJobEnv.cxx

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//____________________________________________________________________________
/*
 Copyright (c) 2003-2025, The GENIE Collaboration
 For the full text of the license visit http://copyright.genie-mc.org
 
 Costas Andreopoulos <c.andreopoulos \at cern.ch>
 University of Liverpool
*/
//____________________________________________________________________________
 
#include <string>
#include <sstream>
#include <vector>
 
#include <TROOT.h>
#include <TSystem.h>
#include <TFolder.h>
#include <TObjString.h>
 
#include "Framework/Conventions/EnvSnapshot.h"
#include "Framework/Messenger/Messenger.h"
#include "Framework/Ntuple/NtpMCJobEnv.h"
 
using std::string;
using std::ostringstream;
using std::vector;
using namespace genie;
using namespace genie::controls;
 
//____________________________________________________________________________
NtpMCJobEnv::NtpMCJobEnv()
{
  fEnv = 0;
}
//____________________________________________________________________________
NtpMCJobEnv::~NtpMCJobEnv()
{
 
}
//____________________________________________________________________________
TFolder * NtpMCJobEnv::TakeSnapshot(void)
{
  if (fEnv) delete fEnv;
  fEnv = 0;
 
  LOG("Ntp", pNOTICE)
      << "Taking environment snapshot and saving it in a TFolder";
 
  fEnv = gROOT->GetRootFolder()->AddFolder("genv","GENIE user environment");
  gROOT->GetListOfBrowsables()->Add(fEnv,"genv");
 
  fEnv->SetOwner(true);
 
  vector<string> envvars;
 
  unsigned int ivar=0;
  while(kMCEnv[ivar]) {
    envvars.push_back(string(kMCEnv[ivar]));
    ivar++;
  }
 
  LOG("Ntp", pINFO) << "** MC Job Environment:";
  vector<string>::iterator variter;
  for(variter = envvars.begin(); variter != envvars.end(); ++variter) {
 
     ostringstream entry;
     string var   = *variter;
     string value = (gSystem->Getenv(var.c_str()) ?
                               gSystem->Getenv(var.c_str()) : "UNDEFINED");
 
     LOG("Ntp", pINFO) << "$" << var << " ---> " << value;
 
     entry << "envv:" << var << ";value:" << value;
     fEnv->Add(new TObjString(entry.str().c_str()));
  }
  return fEnv;
}
//____________________________________________________________________________