fpsPedSV2017_db.C

#include <iostream.h> 
#include <fstream.h> 

void fpsPedSV2017_db(char* opt="", char* year="", char* filename="fps_good_physics_ped/18080012.txt"){
  TString option(opt), yr(year);
  stringstream f1(filename);
  TString storeTime;     // storetime is begin time for validity range for WRITING DB
  time_t starttime=0;    //unix time for writing, if reading from file
  int date=0,time=0;     // time for READING DB
  int flag=0;
  
  std::cout << "Opt =" << opt << "\n";  
  std::cout << "write = " << option.Contains("writedb")   << "\n";
  
  gROOT->Macro("loadlib.C");
  
  const Int_t MAX_DB_INDEX = 252;
  fpsPed_st table[MAX_DB_INDEX];
  int idList[MAX_DB_INDEX];
  memset(table,0,sizeof(table));
  memset(idList,0,sizeof(idList));
  
  int idx = f1.str().find("/");
  cout << "idx: " << idx << endl;
  stringstream f2(f1.str().substr(idx+1,8));
  cout << f2.str() << endl;
  int run = 0;
  f2 >> run;

  cout << f1.str() << " idx="<<idx  << " f2="<<f2.str() << " run="<<run << endl;
  
  char *onlserver="onldb2", *bakserver="dbbak", *server=0;
  int  port = 0;
  int y=run/1000000 -1;
  if(y >= 18){
    server=onlserver;
    port=3501;
  }else{
    server=bakserver;
    port=3400+y-1;
  }

  char cmd[300]=Form("mysql -h %s.starp.bnl.gov --port=%d -N -s -e \"SELECT startRunTime FROM RunLog.runDescriptor WHERE runNumber=%d LIMIT 1\"",
                       server,port,run);
  TString st=gSystem->GetFromPipe(cmd);
  starttime=st.Atoi();

  date=gSystem->GetFromPipe(Form("date -u -d \@%d +%%Y%%m%%d",starttime)).Atoi();
  time=gSystem->GetFromPipe(Form("date -u -d \@%d +%%H%%M%%S",starttime)).Atoi();
  cout << cmd << endl;
  cout << "start time="<<starttime<<" date="<<date<<" time="<<time<< endl;    
  if(yr.Contains("17ofl")){
        storeTime="2016-12-20 00:00:01";
        date = 20161220; time = 0;
        flag=1;
    }else if(yr.Contains("17sim")){
        storeTime="2016-12-10 00:00:02";
        date = 20161210; time = 0;
        flag=1;
    }
    if(flag==0){
        std::cout << "unix storetime =" << starttime-10 << endl;
        std::cout << "read date,time =" << date <<" "<< time << "\n";
    }else{
        std::cout << "storetime =" << storeTime << "\n";
        std::cout << "read date,time =" << date <<" "<< time << "\n";
    }
    
    ifstream fp(filename);
    int n = 0;
    cout << "Reading "<<filename<<" run#="<<run<<endl;
    if(fp.is_open()){
      while( !fp.eof() ){
        int id=-1;
        float mip=-1,sigma=-1;
        
        fp >> id >> mip >> sigma;
        if( id  == -1 ){continue;}
        table[n].slatid=id;
        table[n].Mean=mip;
        table[n].Sigma=sigma;
        idList[n]=id+1;
        printf("n=%3d Id=%5d MIP=%6.2f Sigma=%6.2f idList=%3d\n",
               n,table[n].slatid,table[n].Mean,table[n].Sigma,idList[n]);
        n++;
      }
      fp.close();
      printf("read %d channels from %s\n",n,filename);
    }
    else
      {
        cout << "Could not open: " << filename << endl;
        exit(0);
      }

    if(option.Contains("writedb")) {
        gSystem->Setenv("DB_ACCESS_MODE","write");
        StDbManager* mgr = StDbManager::Instance();
        StDbConfigNode* node = mgr->initConfig("Calibrations_fps");
        StDbTable* dbtable = node->addDbTable("fpsPed");
        if(flag==0){
            mgr->setStoreTime(starttime-10);
        }else{
            mgr->setStoreTime(storeTime.Data());
        }
        dbtable->SetTable((char*)&table, n, idList);
        if(yr.Contains("sim")) dbtable->setFlavor("sim");
        mgr->storeDbTable(dbtable);    
        std::cout << "INFO: table saved to database" << std::endl;
    }
    
    std::cout << "INFO: Reading database" << std::endl;  
    gSystem->Unsetenv("DB_ACCESS_MODE");
    //gSystem->Unsetenv("DB_SERVER_LOCAL_CONFIG");
    St_db_Maker *dbMk=new St_db_Maker("db", "MySQL:StarDb", "$STAR/StarDb");
    dbMk->SetDebug();
    dbMk->SetDateTime(date,time); // event or run start time, set to your liking
    if(yr.Contains("ofl"))      {dbMk->SetFlavor("ofl");}
    else if(yr.Contains("sim")) {dbMk->SetFlavor("sim");}
    dbMk->Init();
    dbMk->Make();
    TDataSet *DB = 0;
    DB = dbMk->GetDataBase("Calibrations/fps/fpsPed");
    if (!DB) std::cout << "ERROR: no table found in db, or malformed local db config" << std::endl;
    St_fpsPed *dataset = 0;
    dataset = (St_fpsPed*) DB->Find("fpsPed");
    if (!dataset) {
      td::cout << "ERROR: dataset does not contain requested table" << std::endl;
      return;
    }
    Int_t rows = dataset->GetNRows();
    if (rows > 1) {
        std::cout << "INFO: found INDEXED table with " << rows << " rows" << std::endl;
    }
    TDatime val[2];
    dbMk->GetValidity((TTable*)dataset,val);
    std::cout << "Dataset validity range: [ " << val[0].GetDate() << "." << val[0].GetTime() << " - " 
              << val[1].GetDate() << "." << val[1].GetTime() << " ] "
              << std::endl;    
    fpsPed_st *tbl = dataset->GetTable();
    for (Int_t i = 0; i < rows; i++) {
        std::cout << Form("Row=%4d slatid=%3d MIP=%8.4f Sig=%8.4f\n",i,
                          tbl[i].slatid,tbl[i].Mean,tbl[i].Sigma);
    }
}