SiStripCommissioningSource.cc

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#include "DQM/SiStripCommissioningSources/interface/SiStripCommissioningSource.h"
#include "CalibFormats/SiStripObjects/interface/SiStripFecCabling.h"
#include "CondFormats/DataRecord/interface/SiStripFedCablingRcd.h"
#include "CondFormats/SiStripObjects/interface/SiStripFedCabling.h"
#include "DataFormats/Common/interface/Handle.h"
#include "DataFormats/SiStripCommon/interface/SiStripEnumsAndStrings.h"
#include "DataFormats/SiStripCommon/interface/SiStripFecKey.h"
#include "DataFormats/SiStripCommon/interface/SiStripFedKey.h"
#include "DataFormats/SiStripCommon/interface/SiStripEventSummary.h"
#include "DQM/SiStripCommissioningSources/interface/Averages.h"
#include "DQM/SiStripCommissioningSources/interface/FastFedCablingTask.h"
#include "DQM/SiStripCommissioningSources/interface/FedCablingTask.h"
#include "DQM/SiStripCommissioningSources/interface/ApvTimingTask.h"
#include "DQM/SiStripCommissioningSources/interface/FedTimingTask.h"
#include "DQM/SiStripCommissioningSources/interface/OptoScanTask.h"
#include "DQM/SiStripCommissioningSources/interface/VpspScanTask.h"
#include "DQM/SiStripCommissioningSources/interface/PedestalsTask.h"
#include "DQM/SiStripCommissioningSources/interface/PedsOnlyTask.h"
#include "DQM/SiStripCommissioningSources/interface/NoiseTask.h"
#include "DQM/SiStripCommissioningSources/interface/PedsFullNoiseTask.h"
#include "DQM/SiStripCommissioningSources/interface/DaqScopeModeTask.h"
#include "DQM/SiStripCommissioningSources/interface/LatencyTask.h"
#include "DQM/SiStripCommissioningSources/interface/FineDelayTask.h"
#include "DQM/SiStripCommissioningSources/interface/CalibrationTask.h"
#include "DQM/SiStripCommissioningSources/interface/CalibrationScanTask.h"
#include "DQMServices/Core/interface/DQMStore.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/ServiceRegistry/interface/Service.h"
#include "FWCore/Utilities/interface/Exception.h"
#include <boost/cstdint.hpp>
#include <memory>
#include <iomanip>
#include <sstream>
#include <time.h>

#include <sys/types.h>
#include <unistd.h>
#include <iomanip>

#include <arpa/inet.h>
#include <sys/unistd.h>
#include <sys/socket.h>
#include <netdb.h>
#include <stdio.h>


using namespace sistrip;

// -----------------------------------------------------------------------------
//
SiStripCommissioningSource::SiStripCommissioningSource( const edm::ParameterSet& pset ) :
  dqm_(0),
  fedCabling_(0),
  fecCabling_(0),
  inputModuleLabel_( pset.getParameter<std::string>( "InputModuleLabel" ) ),
  inputModuleLabelSummary_( pset.getParameter<std::string>( "SummaryInputModuleLabel" ) ),
  filename_( pset.getUntrackedParameter<std::string>("RootFileName",sistrip::dqmSourceFileName_) ),
  run_(0),
  time_(0),
  taskConfigurable_( pset.getUntrackedParameter<std::string>("CommissioningTask","UNDEFINED") ),
  task_(sistrip::UNDEFINED_RUN_TYPE),
  tasks_(),
  cablingTasks_(),
  tasksExist_(false),
  cablingTask_(false),
  updateFreq_( pset.getUntrackedParameter<int>("HistoUpdateFreq",1) ),
  base_(""),
  view_( pset.getUntrackedParameter<std::string>("View", "Default") ),
  parameters_(pset)
{
  inputModuleSummaryToken_     = consumes<SiStripEventSummary>(edm::InputTag(inputModuleLabelSummary_) );
  digiVirginRawToken_          = mayConsume<edm::DetSetVector<SiStripRawDigi> >(edm::InputTag(inputModuleLabel_,"VirginRaw") );
  digiScopeModeToken_          = mayConsume<edm::DetSetVector<SiStripRawDigi> >(edm::InputTag(inputModuleLabel_,"ScopeMode") );
  digiFineDelaySelectionToken_ = mayConsume<edm::DetSetVector<SiStripRawDigi> >(edm::InputTag(inputModuleLabel_,"FineDelaySelection") );

  LogTrace(mlDqmSource_)
    << "[SiStripCommissioningSource::" << __func__ << "]"
    << " Constructing object...";
  tasks_.clear();
  tasks_.resize( 1024, VecOfTasks(96,static_cast<CommissioningTask*>(0)) ); 
}

// -----------------------------------------------------------------------------
//
SiStripCommissioningSource::~SiStripCommissioningSource() {
  LogTrace(mlDqmSource_)
    << "[SiStripCommissioningSource::" << __func__ << "]"
    << " Destructing object...";
}

// -----------------------------------------------------------------------------
//
DQMStore* const SiStripCommissioningSource::dqm( std::string method ) const {
  if ( !dqm_ ) { 
    std::stringstream ss;
    if ( method != "" ) { ss << "[SiStripCommissioningSource::" << method << "]" << std::endl; }
    else { ss << "[SiStripCommissioningSource]" << std::endl; }
    ss << " NULL pointer to DQMStore";
    edm::LogWarning(mlDqmSource_) << ss.str();
    return 0;
  } else { return dqm_; }
}

// -----------------------------------------------------------------------------
// Retrieve DQM interface, control cabling and "control view" utility
// class, create histogram directory structure and generate "reverse"
// control cabling.
void SiStripCommissioningSource::beginRun( edm::Run const & run, const edm::EventSetup & setup ) {
  LogTrace(mlDqmSource_)
    << "[SiStripCommissioningSource::" << __func__ << "]"
    << " Configuring..." << std::endl;
  
  // ---------- DQM back-end interface ----------
  
  dqm_ = edm::Service<DQMStore>().operator->();
  edm::LogInfo(mlDqmSource_)
    << "[SiStripCommissioningSource::" << __func__ << "]"
    << " DQMStore service: " 
    << dqm_;
  dqm(__func__);
  dqm()->setVerbose(0);
  
  // ---------- Base directory ----------

  std::stringstream dir(""); 
  base_ = dir.str();
  
  // ---------- FED and FEC cabling ----------
  
  edm::ESHandle<SiStripFedCabling> fed_cabling;
  setup.get<SiStripFedCablingRcd>().get( fed_cabling ); 
  fedCabling_ = const_cast<SiStripFedCabling*>( fed_cabling.product() ); 
  LogDebug(mlDqmSource_)
    << "[SiStripCommissioningSource::" << __func__ << "]"
    << "Initialized FED cabling. Number of FEDs is " << fedCabling_->fedIds().size();
  fecCabling_ = new SiStripFecCabling( *fed_cabling );
  if ( fecCabling_->crates().empty() ) {
    std::stringstream ss;
    ss << "[SiStripCommissioningSource::" << __func__ << "]"
       << " Empty std::vector returned by FEC cabling object!" 
       << " Check if database connection failed...";
    edm::LogWarning(mlDqmSource_) << ss.str();
  }

  // ---------- Reset ---------- 

  tasksExist_ = false;
  task_ = sistrip::UNDEFINED_RUN_TYPE;
  cablingTask_ = false;
  
  remove();

  clearCablingTasks();
  clearTasks();
  
}

// -----------------------------------------------------------------------------
//
void SiStripCommissioningSource::endJob() {
  LogTrace(mlDqmSource_)
    << "[SiStripCommissioningSource::" << __func__ << "]"
    << " Halting..." << std::endl;
  
  // ---------- Update histograms ----------
  
  // Cabling task
  for ( TaskMap::iterator itask = cablingTasks_.begin(); itask != cablingTasks_.end(); itask++ ) { 
    if ( itask->second ) { itask->second->updateHistograms(); }
  }
  
  if (task_ == sistrip::APV_LATENCY) {
    for (uint16_t partition = 0; partition < 4; ++partition) {
      tasks_[0][partition]->updateHistograms();
    }
  } else if (task_ == sistrip::FINE_DELAY ) {
    tasks_[0][0]->updateHistograms();
  } else {
    // All tasks except cabling 
    uint16_t fed_id = 0;
    uint16_t fed_ch = 0;
    auto ifed = fedCabling_->fedIds().begin();
    for ( ; ifed != fedCabling_->fedIds().end(); ifed++ ) { 
      auto conns = fedCabling_->fedConnections(*ifed);
      for ( auto iconn = conns.begin(); iconn != conns.end(); iconn++ ) {
    if ( !iconn->isConnected() ) { continue; }
    fed_id = iconn->fedId();
    fed_ch = iconn->fedCh();
    if ( tasks_[fed_id][fed_ch] ) { 
      tasks_[fed_id][fed_ch]->updateHistograms();
      delete tasks_[fed_id][fed_ch];
    }
      }
    }
  }
  
  // ---------- Save histos to root file ----------

  // Strip filename of ".root" extension
  std::string name;
  if ( filename_.find(".root",0) == std::string::npos ) { name = filename_; }
  else { name = filename_.substr( 0, filename_.find(".root",0) ); }

  // Retrieve SCRATCH directory
  std::string scratch = "SCRATCH"; //@@ remove trailing slash!!!
  std::string dir = "";
  if ( getenv(scratch.c_str()) != NULL ) { 
    dir = getenv(scratch.c_str()); 
  }

  // Add directory path 
  std::stringstream ss; 
  if ( !dir.empty() ) { ss << dir << "/"; }
  else { ss << "/tmp/"; }

  // Add filename with run number, host ip, pid and .root extension
  ss << name << "_";
  directory(ss,run_);
  ss << ".root";

  // Save file with appropriate filename (if run number is known)
  if ( !filename_.empty() ) { 
    if ( run_ != 0 ) { dqm()->save( ss.str() ); }
    else {
      edm::LogWarning(mlDqmSource_)
    << "[SiStripCommissioningSource::" << __func__ << "]"
    << " NULL value for RunNumber! No root file saved!";
    }
  } else {
    edm::LogWarning(mlDqmSource_)
      << "[SiStripCommissioningSource::" << __func__ << "]"
      << " NULL value for filename! No root file saved!";
  }

  LogTrace(mlDqmSource_)
    << "[SiStripCommissioningSource::" << __func__ << "]"
    << " Saved all histograms to file \""
    << ss.str() << "\"";
  
  // ---------- Delete histograms ----------
  
  // Remove all MonitorElements in "SiStrip" dir and below
  // remove();
  
  // Delete histogram objects
  // clearCablingTasks();
  // clearTasks();
  
  // ---------- Delete cabling ----------

  if ( fedCabling_ ) { fedCabling_ = 0; }
  if ( fecCabling_ ) { delete fecCabling_; fecCabling_ = 0; }
  
}

// ----------------------------------------------------------------------------
//
void SiStripCommissioningSource::analyze( const edm::Event& event, 
                      const edm::EventSetup& setup ) {
  // Retrieve commissioning information from "event summary" 
  edm::Handle<SiStripEventSummary> summary;
  //  event.getByLabel( inputModuleLabelSummary_, summary );
  event.getByToken( inputModuleSummaryToken_,summary );

  // Check if EventSummary has info attached
  if ( ( summary->runType() == sistrip::UNDEFINED_RUN_TYPE ||
     summary->runType() == sistrip::UNKNOWN_RUN_TYPE ) &&
       summary->nullParams() ) {
    edm::LogWarning(mlDqmSource_)
      << "[SiStripCommissioningSource::" << __func__ << "]"
      << " Unknown/undefined RunType and NULL parameter values!"
      << " It may be that the 'trigger FED' object was not found!"; 
  }

  // Check if need to rebuild FED/FEC cabling objects for connection run
  //cablingForConnectionRun( summary->runType() ); //@@ do not use!
  
  // Extract run number and forward to client
  if ( event.id().run() != run_ ) { 
    run_ = event.id().run(); 
    createRunNumber();
  }
  
  // Coarse event rate counter
  if ( !(event.id().event()%updateFreq_) ) {
    std::stringstream ss;
    ss << "[SiStripCommissioningSource::" << __func__ << "]"
       << " The last " << updateFreq_ 
       << " events were processed at a rate of ";
    if ( time(NULL) == time_ ) { ss << ">" << updateFreq_ << " Hz"; }
    else { ss << (updateFreq_/(time(NULL)-time_)) << " Hz"; }
    edm::LogVerbatim(mlDqmSource_) << ss.str();
    time_ = time(NULL);
  }
  
  // Create commissioning task objects 
  if ( !tasksExist_ ) { createTask( summary.product(), setup ); }

  // Retrieve raw digis with mode appropriate to task 
  edm::Handle< edm::DetSetVector<SiStripRawDigi> > raw;
  if ( task_ == sistrip::DAQ_SCOPE_MODE ) { 
    if ( summary->fedReadoutMode() == FED_VIRGIN_RAW ) {
      //      event.getByLabel( inputModuleLabel_, "VirginRaw", raw );
      event.getByToken( digiVirginRawToken_, raw );
    } else if ( summary->fedReadoutMode() == FED_SCOPE_MODE ) {
      //      event.getByLabel( inputModuleLabel_, "ScopeMode", raw );
      event.getByToken( digiScopeModeToken_, raw );
    } else {
      std::stringstream ss;
      ss << "[SiStripCommissioningSource::" << __func__ << "]"
     << " Requested DAQ_SCOPE_MODE but unknown FED"
     << " readout mode retrieved from SiStripEventSummary: " 
     << SiStripEnumsAndStrings::fedReadoutMode( summary->fedReadoutMode() );
      edm::LogWarning(mlDqmSource_) << ss.str();
    }
  } else if ( task_ == sistrip::FAST_CABLING ||
          task_ == sistrip::FED_CABLING ||
          task_ == sistrip::APV_TIMING ||
          task_ == sistrip::FED_TIMING ||
          task_ == sistrip::OPTO_SCAN ) { 
    //    event.getByLabel( inputModuleLabel_, "ScopeMode", raw );
    event.getByToken( digiScopeModeToken_, raw );
  } else if ( task_ == sistrip::VPSP_SCAN ||
              task_ == sistrip::CALIBRATION ||
              task_ == sistrip::CALIBRATION_DECO ||
              task_ == sistrip::CALIBRATION_SCAN ||
              task_ == sistrip::CALIBRATION_SCAN_DECO ||
          task_ == sistrip::PEDESTALS ||
          task_ == sistrip::PEDS_ONLY ||
          task_ == sistrip::NOISE ||
          task_ == sistrip::PEDS_FULL_NOISE ) {
    //    event.getByLabel( inputModuleLabel_, "VirginRaw", raw );
    event.getByToken( digiVirginRawToken_, raw );
  } else if ( task_ == sistrip::APV_LATENCY ||
          task_ == sistrip::FINE_DELAY ) {
    //    event.getByLabel( inputModuleLabel_, "FineDelaySelection", raw );
    event.getByToken( digiFineDelaySelectionToken_, raw );
  } else {
    std::stringstream ss;
    ss << "[SiStripCommissioningSource::" << __func__ << "]"
       << " Unknown CommissioningTask: " 
       << SiStripEnumsAndStrings::runType( task_ )
       << " Unable to establish FED readout mode and retrieve digi container!"
       << " Check if SiStripEventSummary object is found/present in Event";
    edm::LogWarning(mlDqmSource_) << ss.str();
    return;
  }

  // Check for NULL pointer to digi container
  if ( &(*raw) == 0 ) {
    std::stringstream ss;
    ss << "[SiStripCommissioningSource::" << __func__ << "]" << std::endl
       << " NULL pointer to DetSetVector!" << std::endl
       << " Unable to fill histograms!";
    edm::LogWarning(mlDqmSource_) << ss.str();
    return;
  }
  
  if ( !cablingTask_ ) { fillHistos( summary.product(), *raw );  }
  else { fillCablingHistos( summary.product(), *raw ); }
  
}

// ----------------------------------------------------------------------------
//
void SiStripCommissioningSource::fillCablingHistos( const SiStripEventSummary* const summary,
                            const edm::DetSetVector<SiStripRawDigi>& raw ) {
  
  // Create FEC key using DCU id and LLD channel from SiStripEventSummary
  const SiStripModule& module = fecCabling_->module( summary->dcuId() );
  uint16_t lld_channel = ( summary->deviceId() & 0x3 ) + 1;
  SiStripFecKey key_object( module.key().fecCrate(),
                module.key().fecSlot(),
                module.key().fecRing(),
                module.key().ccuAddr(),
                module.key().ccuChan(),
                lld_channel );
  uint32_t fec_key = key_object.key();
  std::stringstream sss;
  sss << "[SiStripCommissioningSource::" << __func__ << "]" 
      << " Found DcuId 0x"
      << std::hex << std::setw(8) << std::setfill('0') << summary->dcuId() << std::dec 
      << " with Crate/FEC/Ring/CCU/Module/LLD: "
      << module.key().fecCrate() << "/"
      << module.key().fecSlot() << "/"
      << module.key().fecRing() << "/"
      << module.key().ccuAddr() << "/"
      << module.key().ccuChan() << "/"
      << lld_channel;
  edm::LogWarning(mlDqmSource_) << sss.str();
  
  //LogTrace(mlTest_) << "TEST : " << key_object;
  
  // Check on whether DCU id is found
  if ( key_object.isInvalid( sistrip::CCU_CHAN ) ) {
    std::stringstream ss;
    ss << "[SiStripCommissioningSource::" << __func__ << "]" 
       << " DcuId 0x"
       << std::hex << std::setw(8) << std::setfill('0') << summary->dcuId() << std::dec 
       << " in 'DAQ register' field not found in cabling map!"
       << " (NULL values returned for FEC path)";
    edm::LogWarning(mlDqmSource_) << ss.str();
    return;
  }
  
  // Iterate through FED ids
  for (auto ifed = fedCabling_->fedIds().begin() ; ifed != fedCabling_->fedIds().end(); ifed++ ) {

    // Check if FedId is non-zero
    if ( *ifed == sistrip::invalid_ ) { continue; }
    
    // Container to hold median signal level for FED cabling task
    std::map<uint16_t,float> medians; medians.clear(); 
    std::map<uint16_t,float> medians1; medians1.clear(); 
    
    // Iterate through FED channels
    for ( uint16_t ichan = 0; ichan < 96; ichan++ ) {
      
      //       // Retrieve digis for given FED key
      //       uint32_t fed_key = SiStripFedKey( *ifed, 
      //                    SiStripFedKey::feUnit(ichan),
      //                    SiStripFedKey::feChan(ichan) ).key();
      
      // Retrieve digis for given FED key
      uint32_t fed_key = ( ( *ifed & sistrip::invalid_ ) << 16 ) | ( ichan & sistrip::invalid_ );
      
      std::vector< edm::DetSet<SiStripRawDigi> >::const_iterator digis = raw.find( fed_key );
      if ( digis != raw.end() ) { 
    if ( digis->data.empty() ) { continue; }
    
    //  if ( digis->data[0].adc() > 500 ) {
    //    std::stringstream ss;
    //    ss << " HIGH SIGNAL " << digis->data[0].adc() << " FOR"
    //       << " FedKey: 0x" << std::hex << std::setw(8) << std::setfill('0') << fed_key << std::dec
    //       << " FedId/Ch: " << *ifed << "/" << ichan;
    //    LogTrace(mlDqmSource_) << ss.str();
    //  }
    
    Averages ave;
    for ( uint16_t idigi = 0; idigi < digis->data.size(); idigi++ ) { 
      ave.add( static_cast<uint32_t>(digis->data[idigi].adc()) ); 
    }
    Averages::Params params;
    ave.calc(params);
    medians[ichan] = params.median_; // Store median signal level
    medians1[ichan] = digis->data[0].adc(); 

    //  if ( !digis->data.empty() ) { medians[ichan] = digis->data[0].adc(); }
    //  else { 
    //    edm::LogWarning(mlTest_) << "TEST : NO DIGIS!";
    //  }
    
    //      std::stringstream ss;
    //      ss << "Channel Averages:" << std::endl
    //         << "  nDigis: " << digis->data.size() << std::endl
    //         << "  num/mean/MEDIAN/rms/max/min: "
    //         << params.num_ << "/"
    //         << params.mean_ << "/"
    //         << params.median_ << "/"
    //         << params.rms_ << "/"
    //         << params.max_ << "/"
    //         << params.min_ << std::endl;
    //      LogTrace(mlDqmSource_) << ss.str();

      }
      
    } // fed channel loop

    // Calculate mean and spread on all (median) signal levels
    Averages average;
    std::map<uint16_t,float>::const_iterator ii = medians.begin();
    for ( ; ii != medians.end(); ii++ ) { average.add( ii->second ); }
    Averages::Params tmp;
    average.calc(tmp);
      
    //     std::stringstream ss;
    //     ss << "FED Averages:" << std::endl
    //        << "  nChans: " << medians.size() << std::endl
    //        << "  num/mean/median/rms/max/min: "
    //        << tmp.num_ << "/"
    //        << tmp.mean_ << "/"
    //        << tmp.median_ << "/"
    //        << tmp.rms_ << "/"
    //        << tmp.max_ << "/"
    //        << tmp.min_ << std::endl;
    //     LogTrace(mlDqmSource_) << ss.str();
      
    // Calculate mean and spread on "filtered" data
    Averages truncated;
    std::map<uint16_t,float>::const_iterator jj = medians.begin();
    for ( ; jj != medians.end(); jj++ ) { 
      if ( jj->second < tmp.median_+tmp.rms_ ) { 
    truncated.add( jj->second ); 
      }
    }
    Averages::Params params;
    truncated.calc(params);
      
    //     std::stringstream ss1;
    //     ss1 << "Truncated Averages:" << std::endl
    //  << "  nChans: " << medians.size() << std::endl
    //  << "  num/mean/median/rms/max/min: "
    //  << params.num_ << "/"
    //  << params.mean_ << "/"
    //  << params.median_ << "/"
    //  << params.rms_ << "/"
    //  << params.max_ << "/"
    //  << params.min_ << std::endl;
    //     LogTrace(mlDqmSource_) << ss1.str();

    // Identify channels with signal
    std::stringstream ss2;
    std::stringstream ss3;
    //     ss2 << "Number of possible connections: " << medians.size()
    //  << " channel/signal: ";
    std::map<uint16_t,float> channels;
    std::map<uint16_t,float>::const_iterator ichan = medians.begin();
    for ( ; ichan != medians.end(); ichan++ ) { 
      //             cout << " mean: " << params.mean_
      //           << " rms: " << params.rms_
      //           << " thresh: " << params.mean_ + 5.*params.rms_
      //           << " value: " << ichan->second
      //           << " strip: " << ichan->first << std::endl;
      //if ( ichan->second > params.mean_ + 5.*params.rms_ ) { 
      if ( ichan->second > 200. ) { 
    LogTrace(mlTest_) << "TEST FOUND SIGNAL HIGH: " << *ifed << " " << ichan->first << " " << ichan->second;
    channels[ichan->first] = ichan->second;
      }
      ss2 //<< ichan->first << "/" 
    << ichan->second << " ";
      ss3 //<< ichan->first << "/" 
    << medians1[ichan->first] << " ";
    }

    ss2 << std::endl;
    ss3 << std::endl;
    LogTrace(mlTest_) << "DUMP for FED  " << *ifed << ": " << ss2.str();
    LogTrace(mlTest_) << "FIRST ADC VAL " << *ifed << ": " << ss3.str();

    //     LogTrace(mlDqmSource_)
    //       << "[FedCablingTask::" << __func__ << "]"
    //       << " Found candidate connection between device: 0x"
    //       << std::setfill('0') << std::setw(8) << std::hex << summary.deviceId() << std::dec
    //       << " with Crate/FEC/Ring/CCU/Module/LLDchannel: " 
    //       << connection().fecCrate() << "/"
    //       << connection().fecSlot() << "/"
    //       << connection().fecRing() << "/"
    //       << connection().ccuAddr() << "/"
    //       << connection().ccuChan() << "/"
    //       << connection().lldChannel()
    //       << " and FedId/Ch: "
    //       << fed_id << "/" << ichan->first
    //       << " with signal " << ichan->second 
    //       << " [adc] over background " << "XXX +/- YYY [adc]" 
    //       << " (S/N = " << "ZZZ" << ")";

    
    // Fill cabling histograms
    if ( cablingTasks_.find(fec_key) != cablingTasks_.end() ) {
      if ( !channels.empty() ) { 
    cablingTasks_[fec_key]->fillHistograms( *summary, *ifed, channels );
    SiStripFecKey path( fec_key );
    std::stringstream ss;
    ss << "[SiStripCommissioningSource::" << __func__ << "]"
       << " Filled histogram for '" << cablingTasks_[fec_key]->myName()
       << "' object with FecKey: 0x" 
       << std::hex << std::setfill('0') << std::setw(8) << fec_key << std::dec
       << " and Crate/FEC/ring/CCU/module/LLDchan: " 
       << path.fecCrate() << "/"
       << path.fecSlot() << "/"
       << path.fecRing() << "/"
       << path.ccuAddr() << "/"
       << path.ccuChan() << "/"
       << path.channel();
    LogTrace(mlDqmSource_) << ss.str();
      }
    } else {
      SiStripFecKey path( fec_key );
      std::stringstream ss;
      ss << "[SiStripCommissioningSource::" << __func__ << "]"
     << " Unable to find CommissioningTask object with FecKey: 0x" 
     << std::hex << std::setfill('0') << std::setw(8) << fec_key << std::dec
     << " and Crate/FEC/ring/CCU/module/LLDchan: " 
     << path.fecCrate() << "/"
     << path.fecSlot() << "/"
     << path.fecRing() << "/"
     << path.ccuAddr() << "/"
     << path.ccuChan() << "/"
     << path.channel();
      edm::LogWarning(mlDqmSource_) << ss.str();
    }
  
  } // fed id loop
  
}

// ----------------------------------------------------------------------------
//
void SiStripCommissioningSource::fillHistos( const SiStripEventSummary* const summary, 
                         const edm::DetSetVector<SiStripRawDigi>& raw ) {

    // Iterate through FED ids and channels
    auto ifed = fedCabling_->fedIds().begin();
    for ( ; ifed != fedCabling_->fedIds().end(); ifed++ ) {

      // Iterate through connected FED channels
      auto conns = fedCabling_->fedConnections(*ifed);
      for (auto iconn = conns.begin() ; iconn != conns.end(); iconn++ ) {

        if ( !(iconn->fedId()) || iconn->fedId() > sistrip::valid_ ) { continue; }
     
        //       // Create FED key and check if non-zero
        //       uint32_t fed_key = SiStripFedKey( iconn->fedId(), 
        //                  SiStripFedKey::feUnit(iconn->fedCh()),
        //                  SiStripFedKey::feChan(iconn->fedCh()) ).key();

        // Create FED key and check if non-zero
        // note: the key is not computed using the same formula as in commissioning histograms.
        // beware that changes here must match changes in raw2digi and in SiStripFineDelayHit
        uint32_t fed_key = ( ( iconn->fedId() & sistrip::invalid_ ) << 16 ) | ( iconn->fedCh() & sistrip::invalid_ );

        // Retrieve digis for given FED key and check if found
        std::vector< edm::DetSet<SiStripRawDigi> >::const_iterator digis = raw.find( fed_key ); 

        if ( digis != raw.end() ) {
          // tasks involving tracking have partition-level histos, so treat separately
          if (task_ == sistrip::APV_LATENCY) {
            if ( tasks_[0][iconn->fecCrate()-1] ) {
              tasks_[0][iconn->fecCrate()-1]->fillHistograms( *summary, *digis );
            } else {
              std::stringstream ss;
              ss << "[SiStripCommissioningSource::" << __func__ << "]"
                 << " Unable to find CommissioningTask for FEC crate " 
                 << iconn->fecCrate() << ". Unable to fill histograms!";
              edm::LogWarning(mlDqmSource_) << ss.str();
            }
          } else if (task_ == sistrip::FINE_DELAY) {
            if ( tasks_[0][0] ) {
              tasks_[0][0]->fillHistograms( *summary, *digis );
            } else {
              std::stringstream ss;
              ss << "[SiStripCommissioningSource::" << __func__ << "]"
                 << " Unable to find global CommissioningTask for FineDelay. Unable to fill histograms!";
              edm::LogWarning(mlDqmSource_) << ss.str();
            }
          // now do any other task
          } else {
            if ( tasks_[iconn->fedId()][iconn->fedCh()] ) {
              tasks_[iconn->fedId()][iconn->fedCh()]->fillHistograms( *summary, *digis );
            } else {
              std::stringstream ss;
              ss << "[SiStripCommissioningSource::" << __func__ << "]"
                 << " Unable to find CommissioningTask object with FED key " 
                 << std::hex << std::setfill('0') << std::setw(8) << fed_key << std::dec
                 << " and FED id/ch " 
                 << iconn->fedId() << "/"
                 << iconn->fedCh()
                 << " Unable to fill histograms!";
              edm::LogWarning(mlDqmSource_) << ss.str();
            }
      }
        } else {
          // issue a warning only for standard runs, as latency and fine delay only deliver 
          // pseudo zero-suppressed data
          if ( task_ != sistrip::APV_LATENCY &&
               task_ != sistrip::FINE_DELAY ) {
            std::stringstream ss;
            ss << "[SiStripCommissioningSource::" << __func__ << "]"
               << " Unable to find any DetSet containing digis for FED key " 
               << std::hex << std::setfill('0') << std::setw(8) << fed_key << std::dec
               << " and FED id/ch " 
               << iconn->fedId() << "/"
               << iconn->fedCh();
            edm::LogWarning(mlDqmSource_) << ss.str();
      }
        }
      } // fed channel loop
    } // fed id loop

}

// -----------------------------------------------------------------------------
//
void SiStripCommissioningSource::createRunNumber() {
  
  // Set commissioning task to default ("undefined") value
  if ( !run_ ) {
    edm::LogWarning(mlDqmSource_) 
      << "[SiStripCommissioningSource::" << __func__ << "]"
      << " NULL run number!";
    return;
  }
  
  // Create MonitorElement that identifies run number
  dqm()->setCurrentFolder( base_ + sistrip::root_ );
  std::stringstream run;
  run << run_;
  dqm()->bookString( std::string(sistrip::runNumber_) + sistrip::sep_ + run.str(), run.str() ); 
  
}

// -----------------------------------------------------------------------------
//
void SiStripCommissioningSource::createTask( const SiStripEventSummary* const summary, const edm::EventSetup& setup ) {
  
  // Set commissioning task to default ("undefined") value
  task_ = sistrip::UNDEFINED_RUN_TYPE;
  
  // Retrieve commissioning task from EventSummary
  if ( summary ) { 
    task_ = summary->runType(); 
    std::stringstream ss;
    ss << "[SiStripCommissioningSource::" << __func__ << "]"
       << " Identified CommissioningTask from EventSummary to be \"" 
       << SiStripEnumsAndStrings::runType( task_ )
       << "\"";
    LogTrace(mlDqmSource_) << ss.str();
  } else { 
    task_ = sistrip::UNKNOWN_RUN_TYPE; 
    std::stringstream ss;
    ss << "[SiStripCommissioningSource::" << __func__ << "]"
       << " NULL pointer to SiStripEventSummary!" 
       << " Check SiStripEventSummary is found/present in Event";
    edm::LogWarning(mlDqmSource_) << ss.str();
  } 
  
  // Override task with ParameterSet configurable (if defined)
  sistrip::RunType configurable = SiStripEnumsAndStrings::runType( taskConfigurable_ );
  if ( configurable != sistrip::UNDEFINED_RUN_TYPE &&
       configurable != sistrip::UNKNOWN_RUN_TYPE ) { 
    std::stringstream ss;
    ss << "[SiStripCommissioningSource::" << __func__ << "]"
       << " Overriding CommissioningTask from EventSummary (\"" 
       << SiStripEnumsAndStrings::runType( task_ )
       << "\") with value retrieved from .cfg file (\""
       << SiStripEnumsAndStrings::runType( configurable )
       << "\")!";
    LogTrace(mlDqmSource_) << ss.str();
    task_ = configurable; 
  }
  
  // Create ME (std::string) that identifies commissioning task
  dqm()->setCurrentFolder( base_ + sistrip::root_ );
  std::string task_str = SiStripEnumsAndStrings::runType( task_ );
  dqm()->bookString( std::string(sistrip::taskId_) + sistrip::sep_ + task_str, task_str ); 
  
  // Check commissioning task is known / defined
  if ( task_ == sistrip::UNKNOWN_RUN_TYPE ||
       task_ == sistrip::UNDEFINED_RUN_TYPE ) {
    std::stringstream ss;
    ss << "[SiStripCommissioningSource::" << __func__ << "]"
       << " Unexpected CommissioningTask found (" 
       << static_cast<uint16_t>(task_) << ") \""
       << SiStripEnumsAndStrings::runType( task_ ) << "\""
       << " Unexpected value found in SiStripEventSummary and/or cfg file"
       << " If SiStripEventSummary is not present in Event,"
       << " check 'CommissioningTask' configurable in cfg file";
    edm::LogWarning(mlDqmSource_) << ss.str();
    return; 
  } else {
    std::stringstream ss;
    ss << "[SiStripCommissioningSource::" << __func__ << "]"
       << " Identified CommissioningTask to be \"" 
       << SiStripEnumsAndStrings::runType( task_ )
       << "\"";
    LogTrace(mlDqmSource_) << ss.str();
  }
  
  // Check if commissioning task is FED cabling 
  if ( task_ == sistrip::FED_CABLING ) { cablingTask_ = true; }
  else { cablingTask_ = false; }

  std::stringstream ss;
  ss << "[SiStripCommissioningSource::" << __func__ << "]"
     << " CommissioningTask: "
     << SiStripEnumsAndStrings::runType( summary->runType() );
  LogTrace(mlDqmSource_) << ss.str();

  edm::LogVerbatim(mlDqmSource_)
    << "[SiStripCommissioningSource::" << __func__ << "]"
    << " Creating CommissioningTask objects and booking histograms...";
  if ( cablingTask_ ) { createCablingTasks(); }
  else { createTasks( task_ , setup ); }
  edm::LogVerbatim(mlDqmSource_)
    << "[SiStripCommissioningSource::" << __func__ << "]"
    << " Finished booking histograms!";
  tasksExist_ = true;
  
}

// -----------------------------------------------------------------------------
//
void SiStripCommissioningSource::createCablingTasks() {
  
  // Iterate through FEC cabling and create commissioning task objects
  uint16_t booked = 0;
  for ( std::vector<SiStripFecCrate>::const_iterator icrate = fecCabling_->crates().begin(); icrate != fecCabling_->crates().end(); icrate++ ) {
    for ( std::vector<SiStripFec>::const_iterator ifec = icrate->fecs().begin(); ifec != icrate->fecs().end(); ifec++ ) {
      for ( std::vector<SiStripRing>::const_iterator iring = ifec->rings().begin(); iring != ifec->rings().end(); iring++ ) {
    for ( std::vector<SiStripCcu>::const_iterator iccu = iring->ccus().begin(); iccu != iring->ccus().end(); iccu++ ) {
      for ( std::vector<SiStripModule>::const_iterator imodule = iccu->modules().begin(); imodule != iccu->modules().end(); imodule++ ) {
          
        // Build FEC key
        SiStripFecKey path( icrate->fecCrate(), 
                ifec->fecSlot(), 
                iring->fecRing(), 
                iccu->ccuAddr(), 
                imodule->ccuChan() );
        
        // Check if FEC key is invalid
        if ( !path.isValid() ) { continue; }
        
        // Set working directory prior to booking histograms
        std::string dir = base_ + path.path();
        dqm()->setCurrentFolder( dir );
        
        // Iterate through all APV pairs for this module
        for ( uint16_t ipair = 0; ipair < imodule->nApvPairs(); ipair++ ) {
        
          // Retrieve active APV devices
          SiStripModule::PairOfU16 apvs = imodule->activeApvPair( imodule->lldChannel(ipair) );
          
          // Create connection object to hold all relevant info
          FedChannelConnection conn( icrate->fecCrate(), 
                     ifec->fecSlot(), 
                     iring->fecRing(), 
                     iccu->ccuAddr(), 
                     imodule->ccuChan(),
                     apvs.first,
                     apvs.second,
                     imodule->dcuId(),
                     imodule->detId(),
                     imodule->nApvPairs() );
          
          // Define key encoding control path 
          uint32_t key = SiStripFecKey( icrate->fecCrate(), 
                        ifec->fecSlot(), 
                        iring->fecRing(), 
                        iccu->ccuAddr(), 
                        imodule->ccuChan(),
                        imodule->lldChannel(ipair) ).key();
        
          // Check key is non zero
          if ( !key ) { 
        edm::LogWarning(mlDqmSource_)
          << "[SiStripCommissioningSource::" << __func__ << "]"
          << " Unexpected NULL value for FEC key!";
        continue; 
          }
        
          // Create cabling task objects if not already existing
          if ( cablingTasks_.find( key ) == cablingTasks_.end() ) {
        
                if ( task_ == sistrip::FED_CABLING ) { 
          cablingTasks_[key] = new FedCablingTask( dqm(), conn ); 
        } else if ( task_ == sistrip::UNDEFINED_RUN_TYPE ) { 
                  edm::LogWarning(mlDqmSource_)
            << "[SiStripCommissioningSource::" << __func__ << "]"
            << " Undefined CommissioningTask" 
            << " Unable to create FedCablingTask object!";
        } else if ( task_ == sistrip::UNKNOWN_RUN_TYPE ) { 
                  edm::LogWarning(mlDqmSource_)
            << "[SiStripCommissioningSource::" << __func__ << "]"
            << " Unknown CommissioningTask" 
            << " Unable to create FedCablingTask object!";
                } else { 
                  edm::LogWarning(mlDqmSource_)
            << "[SiStripCommissioningSource::" << __func__ << "]"
            << " Unexpected CommissioningTask: " 
            << SiStripEnumsAndStrings::runType( task_ )
            << " Unable to create FedCablingTask object!";
                }
        
        // Check if key is found and, if so, book histos and set update freq
        if ( cablingTasks_.find( key ) != cablingTasks_.end() ) {
          if ( cablingTasks_[key] ) {
            cablingTasks_[key]->bookHistograms(); 
            cablingTasks_[key]->updateFreq(1); //@@ hardwired to update every event!!! 
            booked++;
            //std::stringstream ss;
            //ss << "[SiStripCommissioningSource::" << __func__ << "]"
            //<< " Booking histograms for '" << cablingTasks_[key]->myName()
            //<< "' object with key 0x" << std::hex << std::setfill('0') << std::setw(8) << key << std::dec
            //<< " in directory \"" << dir << "\"";
            //LogTrace(mlDqmSource_) << ss.str();
          } else {
            std::stringstream ss;
            ss << "[SiStripCommissioningSource::" << __func__ << "]"
               << " NULL pointer to CommissioningTask for key 0x"
               << std::hex << std::setfill('0') << std::setw(8) << key << std::dec
               << " in directory " << dir 
               << " Unable to book histograms!";
            edm::LogWarning(mlDqmSource_) << ss.str();
          }
        } else {
          std::stringstream ss;
          ss << "[SiStripCommissioningSource::" << __func__ << "]"
             << " Unable to find CommissioningTask for key 0x"
             << std::hex << std::setfill('0') << std::setw(8) << key << std::dec
             << " in directory " << dir
             << " Unable to book histograms!";
          edm::LogWarning(mlDqmSource_) << ss.str();
        }
          
          } else {
        std::stringstream ss;
        ss << "[SiStripCommissioningSource::" << __func__ << "]"
           << " CommissioningTask object already exists for key 0x"
           << std::hex << std::setfill('0') << std::setw(8) << key << std::dec
           << " in directory " << dir 
           << " Unable to create FedCablingTask object!";
        edm::LogWarning(mlDqmSource_) << ss.str();
          }
          
        } // loop through apv pairs
      } // loop through modules
    } // loop through ccus
      } // loop through rings
    } // loop through fecs
  } // loop through crates

  edm::LogVerbatim(mlDqmSource_)
    << "[SiStripCommissioningSource::" << __func__ << "]"
    << " Created " << booked 
    << " CommissioningTask objects and booked histograms";
  
}

// -----------------------------------------------------------------------------
//
void SiStripCommissioningSource::createTasks( sistrip::RunType run_type, const edm::EventSetup& setup ) {

  uint16_t booked = 0;

  // latency has partition-level histos, so treat separately
  if (task_ == sistrip::APV_LATENCY) {

    for (uint16_t partition = 0; partition < 4; ++partition) {
      // make a task for every partition; tracker-wide histo is shared
      tasks_[0][partition] = new LatencyTask( dqm(), FedChannelConnection(partition+1,sistrip::invalid_,sistrip::invalid_,sistrip::invalid_,sistrip::invalid_) );
      tasks_[0][partition]->eventSetup( &setup );
      tasks_[0][partition]->bookHistograms();
      tasks_[0][partition]->updateFreq( updateFreq_ );
      booked++;
    }

  // fine-delay has 1 histo for the whole tracker, so treat separately
  } else if (task_ == sistrip::FINE_DELAY) {

    tasks_[0][0] = new FineDelayTask( dqm(), FedChannelConnection() );
    tasks_[0][0]->eventSetup( &setup );
    tasks_[0][0]->bookHistograms();
    tasks_[0][0]->updateFreq( updateFreq_ );
    booked++;

  } else { // now do any other task

    // Iterate through FED ids and channels 
    for (auto ifed = fedCabling_->fedIds().begin() ; ifed != fedCabling_->fedIds().end(); ++ifed ) {

      // Iterate through connected FED channels
      // S.L.: currently copy the vector, because it changes later when
      // reading in peds for calibration run -> not understood memory corruption!
      auto conns = fedCabling_->fedConnections(*ifed);
      for (auto iconn = conns.begin() ; iconn != conns.end(); ++iconn ) {

        // Create FEC key
        SiStripFecKey fec_key( iconn->fecCrate(), 
                               iconn->fecSlot(), 
                               iconn->fecRing(), 
                               iconn->ccuAddr(), 
                               iconn->ccuChan() );
        // Create FED key and check if non-zero
        SiStripFedKey fed_key( iconn->fedId(), 
                               SiStripFedKey::feUnit(iconn->fedCh()),
                               SiStripFedKey::feChan(iconn->fedCh()) );
        if ( !iconn->isConnected() ) { continue; }

        // define the view in which to work and paths for histograms
        //   currently FecView (control view) and FedView (readout view)
        //   DetView (detector view) implementation has started
        // Set working directory prior to booking histograms 
        std::stringstream dir;
        dir << base_;
        if (view_ == "Default") { // default
          if ( run_type == sistrip::FAST_CABLING ) {
        dir << fed_key.path(); // cabling in fed view
      } else {
        dir << fec_key.path(); // all other runs in control view
      }
        } else if (view_ == "FecView") {
          dir << fec_key.path();
        } else if (view_ == "FedView") {
          dir << fed_key.path();
        } else if (view_ == "DetView") {
          // currently just by detid from the connection, which is empty...
          dir << sistrip::root_ << sistrip::dir_
              << sistrip::detectorView_ << sistrip::dir_
              << iconn->detId();
        } else {
          edm::LogWarning(mlDqmSource_)
            << "[SiStripCommissioningSource::" << __func__ << "]"
            << " Invalid view " << view_ << std::endl
            << " Histograms will end up all in the top directory.";
        } // end if view_ == ...
        dqm()->setCurrentFolder( dir.str() );

        // Create commissioning task objects
        if ( !tasks_[iconn->fedId()][iconn->fedCh()] ) { 
          if ( task_ == sistrip::FAST_CABLING ) { 
            tasks_[iconn->fedId()][iconn->fedCh()] = new FastFedCablingTask( dqm(), *iconn ); 
          } else if ( task_ == sistrip::APV_TIMING ) { 
            tasks_[iconn->fedId()][iconn->fedCh()] = new ApvTimingTask( dqm(), *iconn ); 
          } else if ( task_ == sistrip::FED_TIMING ) { 
            tasks_[iconn->fedId()][iconn->fedCh()] = new FedTimingTask( dqm(), *iconn );
          } else if ( task_ == sistrip::OPTO_SCAN ) { 
            tasks_[iconn->fedId()][iconn->fedCh()] = new OptoScanTask( dqm(), *iconn );
          } else if ( task_ == sistrip::VPSP_SCAN ) { 
            tasks_[iconn->fedId()][iconn->fedCh()] = new VpspScanTask( dqm(), *iconn );
          } else if ( task_ == sistrip::PEDESTALS ) { 
            tasks_[iconn->fedId()][iconn->fedCh()] = new PedestalsTask( dqm(), *iconn );
          } else if ( task_ == sistrip::PEDS_ONLY ) { 
            tasks_[iconn->fedId()][iconn->fedCh()] = new PedsOnlyTask( dqm(), *iconn );
          } else if ( task_ == sistrip::NOISE ) { 
            tasks_[iconn->fedId()][iconn->fedCh()] = new NoiseTask( dqm(), *iconn );
          } else if ( task_ == sistrip::PEDS_FULL_NOISE ) { 
            tasks_[iconn->fedId()][iconn->fedCh()] = new PedsFullNoiseTask( dqm(), *iconn, parameters_ );
          } else if ( task_ == sistrip::DAQ_SCOPE_MODE ) { 
            tasks_[iconn->fedId()][iconn->fedCh()] = new DaqScopeModeTask( dqm(), *iconn );
          } else if ( task_ == sistrip::CALIBRATION_SCAN || 
                      task_ == sistrip::CALIBRATION_SCAN_DECO ) { 
            tasks_[iconn->fedId()][iconn->fedCh()] = new CalibrationScanTask( dqm(), 
                                                                              *iconn, 
                                                                              task_, 
                                                                              filename_.c_str(), 
                                                                              run_, 
                                                                              setup );
          } else if ( task_ == sistrip::CALIBRATION || 
                      task_ == sistrip::CALIBRATION_DECO ) { 
            tasks_[iconn->fedId()][iconn->fedCh()] = new CalibrationTask( dqm(), 
                                                                          *iconn, 
                                                                          task_, 
                                                                          filename_.c_str(), 
                                                                          run_, 
                                                                          setup );
          } else if ( task_ == sistrip::UNDEFINED_RUN_TYPE ) { 
            edm::LogWarning(mlDqmSource_)  
              << "[SiStripCommissioningSource::" << __func__ << "]"
              << " Undefined CommissioningTask" 
              << " Unable to create CommissioningTask object!";
          } else { 
            edm::LogWarning(mlDqmSource_)
              << "[SiStripCommissioningSource::" << __func__ << "]"
              << " Unknown CommissioningTask" 
              << " Unable to create CommissioningTask object!";
          }

          // Check if fed_key is found and, if so, book histos and set update freq
          if ( tasks_[iconn->fedId()][iconn->fedCh()] ) {
            tasks_[iconn->fedId()][iconn->fedCh()]->eventSetup( &setup );
            tasks_[iconn->fedId()][iconn->fedCh()]->bookHistograms(); 
            tasks_[iconn->fedId()][iconn->fedCh()]->updateFreq( updateFreq_ ); 
            booked++;
            //std::stringstream ss;
            //ss << "[SiStripCommissioningSource::" << __func__ << "]"
            //<< " Booking histograms for '" << tasks_[iconn->fedId()][iconn->fedCh()]->myName()
            //<< "' object with key 0x" << std::hex << std::setfill('0') << std::setw(8) << fed_key.key() << std::dec
            //<< " in directory " << dir.str();
            //LogTrace(mlDqmSource_) << ss.str();
          } else {
            std::stringstream ss;
            ss << "[SiStripCommissioningSource::" << __func__ << "]"
               << " NULL pointer to CommissioningTask for key 0x"
               << std::hex << std::setfill('0') << std::setw(8) << fed_key.key() << std::dec
               << " in directory " << dir.str()
               << " Unable to book histograms!";
            edm::LogWarning(mlDqmSource_) << ss.str();
          }

        } else {
          std::stringstream ss;
          ss << "[SiStripCommissioningSource::" << __func__ << "]"
             << " CommissioningTask object already exists for key 0x"
             << std::hex << std::setfill('0') << std::setw(8) << fed_key.key() << std::dec
             << " in directory " << dir.str()
             << " Unable to create CommissioningTask object!";
          edm::LogWarning(mlDqmSource_) << ss.str();
        }

      } // loop over fed channels
    } // loop over feds
  } // end other tasks

  edm::LogVerbatim(mlDqmSource_)
    << "[SiStripCommissioningSource::" << __func__ << "]"
    << " Created " << booked 
    << " CommissioningTask objects and booked histograms";
}

// ----------------------------------------------------------------------------
//
void SiStripCommissioningSource::clearCablingTasks() {
  if ( cablingTasks_.empty() ) { return; }
  for ( TaskMap::iterator itask = cablingTasks_.begin(); itask != cablingTasks_.end(); itask++ ) { 
    if ( itask->second ) { delete itask->second; }
  }
  cablingTasks_.clear();
}

// ----------------------------------------------------------------------------
//
void SiStripCommissioningSource::clearTasks() {
  if ( tasks_.empty() ) { return; }
  VecOfVecOfTasks::iterator ifed = tasks_.begin();
  for ( ; ifed !=  tasks_.end(); ifed++ ) { 
    VecOfTasks::iterator ichan = ifed->begin();
    for ( ; ichan != ifed->end(); ichan++ ) { 
      if ( *ichan ) { delete *ichan; *ichan = 0; }
    }
    ifed->resize(96,0);
  }
  tasks_.resize(1024);
}

// ----------------------------------------------------------------------------
//
void SiStripCommissioningSource::remove() {
  dqm()->cd();
  dqm()->removeContents(); 
  
  if( dqm()->dirExists(sistrip::root_) ) {
    dqm()->rmdir(sistrip::root_);
  }
}

// -----------------------------------------------------------------------------
// 
void SiStripCommissioningSource::directory( std::stringstream& dir,
                        uint32_t run_number ) {

  // Get details about host
  char hn[256];
  gethostname( hn, sizeof(hn) );
  struct hostent* he;
  he = gethostbyname(hn);

  // Extract host name and ip
  std::string host_name;
  std::string host_ip;
  if ( he ) { 
    host_name = std::string(he->h_name);
    host_ip = std::string( inet_ntoa( *(struct in_addr*)(he->h_addr) ) );
  } else {
    host_name = "unknown.cern.ch";
    host_ip = "255.255.255.255";
  }

  // Reformat IP address
  std::string::size_type pos = 0;
  std::stringstream ip;
  //for ( uint16_t ii = 0; ii < 4; ++ii ) {
  while ( pos != std::string::npos ) {
    std::string::size_type tmp = host_ip.find(".",pos);
    if ( tmp != std::string::npos ) {
      ip << std::setw(3)
     << std::setfill('0')
     << host_ip.substr( pos, tmp-pos ) 
     << ".";
      pos = tmp+1; // skip the delimiter "."
    } else {
      ip << std::setw(3)
     << std::setfill('0')
     << host_ip.substr( pos );
      pos = std::string::npos;
    }
  }
  
  // Get pid
  pid_t pid = getpid();

  // Construct string
  if ( run_number ) {
    dir << std::setw(8) 
    << std::setfill('0') 
    << run_number
    << "_";
  }
  dir << ip.str()
      << "_"
      << std::setw(5) 
      << std::setfill('0') 
      << pid;
  
}

// -----------------------------------------------------------------------------
//
// void SiStripCommissioningSource::cablingForConnectionRun( const sistrip::RunType& type ) {

//   if ( type == sistrip::FED_CABLING ||
//        type == sistrip::QUITE_FAST_CABLING ||
//        type == sistrip::FAST_CABLING ) {
//     std::stringstream ss;
//     ss << "[SiStripCommissioningSource::" << __func__ << "]"
//        << " Run type is " << SiStripEnumsAndStrings::runType( type ) << "!"
//        << " Checking if cabling should be rebuilt using FED and device descriptions!...";
//     edm::LogVerbatim(mlDqmSource_) << ss.str();
//   } else { return; }

//   // Build and retrieve SiStripConfigDb object using service
//   SiStripConfigDb* db = edm::Service<SiStripConfigDb>().operator->(); //@@ NOT GUARANTEED TO BE THREAD SAFE! 
//   LogTrace(mlCabling_) 
//     << "[SiStripCommissioningSource::" << __func__ << "]"
//     << " Nota bene: using the SiStripConfigDb API"
//     << " as a \"service\" does not presently guarantee"
//     << " thread-safe behaviour!...";
  
//   if ( !db ) { 
//     edm::LogError(mlCabling_) 
//       << "[SiStripCommissioningSource::" << __func__ << "]"
//       << " NULL pointer to SiStripConfigDb returned by service!"
//       << " Cannot check if cabling needs to be rebuilt!";
//     return;
//   }
  
//   if ( db->getFedConnections().empty() ) {
//     edm::LogVerbatim(mlCabling_) 
//       << "[SiStripCommissioningSource::" << __func__ << "]"
//       << " Datbase does not contain FED connections!"
//       << " Do not need to rebuild cabling object based on FED and device descriptions!"; 
//    return;
//   }
  
//   if ( fecCabling_ ) { delete fecCabling_; fecCabling_ = 0; }
//   if ( fedCabling_ ) { delete fedCabling_; fedCabling_ = 0; }
  
//   // Build FEC cabling
//   fecCabling_ = new SiStripFecCabling();
//   SiStripConfigDb::DcuDetIdMap mapping;
//   SiStripFedCablingBuilderFromDb::buildFecCablingFromDevices( db,
//                                *fecCabling_,
//                                mapping );
//   // Build FED cabling
//   fedCabling_ = new SiStripFedCabling();
//   SiStripFedCablingBuilderFromDb::getFedCabling( *fecCabling_,
//                       *fedCabling_ );

//   edm::LogVerbatim(mlCabling_) 
//     << "[SiStripCommissioningSource::" << __func__ << "]"
//     << " Cabling object rebuilt using on FED and device descriptions!";
  
// }