/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_14/src/CondFormats/SiStripObjects/src/SiStripFedCabling.cc

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#include "CondFormats/SiStripObjects/interface/SiStripFedCabling.h"
#include "DataFormats/SiStripCommon/interface/SiStripConstants.h"
#include "DataFormats/SiStripCommon/interface/SiStripFedKey.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include <iostream>
#include <iomanip>

using namespace sistrip;


// -----------------------------------------------------------------------------
#ifndef SISTRIPCABLING_USING_NEW_STRUCTURE // ----------------------------------
// -----------------------------------------------------------------------------


// -----------------------------------------------------------------------------
//
SiStripFedCabling::SiStripFedCabling( const std::vector<FedChannelConnection>& input ) 
  : feds_(),
    connected_(),
    detected_(),
    undetected_()
{
  LogTrace(mlCabling_)
    << "[SiStripFedCabling::" << __func__ << "]"
    << " Constructing object...";
  buildFedCabling( input );
}

// -----------------------------------------------------------------------------
//
SiStripFedCabling::SiStripFedCabling( const SiStripFedCabling& input ) 
  : feds_(),
    connected_(),
    detected_(),
    undetected_()
{
  LogTrace(mlCabling_)
    << "[SiStripFedCabling::" << __func__ << "]"
    << " Constructing object...";

  std::vector<FedChannelConnection> v_fcc;

  // Retrieve FED ids from cabling map and iterate through                                                                                                                                                    
  const std::vector<uint16_t>& fedids = input.feds();
  std::vector<uint16_t>::const_iterator ifed=fedids.begin();
  for ( ; ifed != fedids.end(); ++ifed ) {
    //copy the vector of FedChannelConnection for the given ifed 
    v_fcc.insert(v_fcc.end(),input.connections(*ifed).begin(),input.connections(*ifed).end());
  }

  buildFedCabling( v_fcc );
  
}

// -----------------------------------------------------------------------------
//
SiStripFedCabling::SiStripFedCabling() 
  : feds_(),
    connected_(),
    detected_(),
    undetected_()
{
  LogTrace(mlCabling_) 
    << "[SiStripFedCabling::" << __func__ << "]"
    << " Constructing object...";
}

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

// -----------------------------------------------------------------------------
//
void SiStripFedCabling::buildFedCabling( const std::vector<FedChannelConnection>& input ) {
  
  // Check input
  if ( input.empty() ) {
    edm::LogError(mlCabling_)
      << "[SiStripFedCabling::" << __func__ << "]"
      << " Input vector of FedChannelConnections is of zero size!"
      << " Unable to populate FED cabling object!"; 
    return;
  }
  
  std::stringstream ss;
  ss << "[SiStripFedCabling::" << __func__ << "]"
     << " Building FED cabling from " 
     << input.size()
     << " connections...";
  LogTrace(mlCabling_) << ss.str();
  
  // Clear containers
  connected_.clear(); 
  detected_.clear();
  undetected_.clear();
  
  // Iterate through FEDs
  for ( uint16_t iconn = 0; iconn < input.size(); iconn++ ) {

    if ( !input[iconn].isConnected() ) { continue; }
    
    uint16_t fed_id = input[iconn].fedId();
    uint16_t fed_ch = input[iconn].fedCh();
    
    // Check on FED ids and channels
    if ( fed_id > sistrip::CMS_FED_ID_MAX ) {
      if ( edm::isDebugEnabled() ) {
        edm::LogWarning(mlCabling_)
          << "[SiStripFedCabling::" << __func__ << "]"
          << " Unexpected FED id! " << fed_id; 
      } 
      continue;
    }
    if ( fed_ch >= sistrip::FEDCH_PER_FED ) {
      if ( edm::isDebugEnabled() ) {
        edm::LogWarning(mlCabling_)
          << "[SiStripFedCabling::" << __func__ << "]"
          << " Unexpected FED channel! " << fed_ch;
      } 
      continue;
    }
    
    // Resize container to accommodate all FED channels
    if ( connected_.size() <= fed_id ) { connected_.resize(fed_id+1); }
    if ( connected_[fed_id].size() != 96 ) { connected_[fed_id].resize(96); }
    
    // Fill appropriate container
    bool detected  = input[iconn].i2cAddr(0) || input[iconn].i2cAddr(1);
    bool connected = input[iconn].fedId(); //@@ should check also FeUnit/FeChan are not invalid ???
    if ( detected && connected ) {
      connected_[fed_id][fed_ch] = input[iconn];
    } else if ( detected && !connected ) {
      detected_.push_back( input[iconn] );
    } else if ( !detected && !connected ) {
      undetected_.push_back( input[iconn] );
    }

    if ( detected && connected ) {
      std::vector<uint16_t>::iterator id = find( feds_.begin(), feds_.end(), fed_id );
      if ( id == feds_.end() ) { feds_.push_back( fed_id ); }
    }
    
  }
  
}

// -----------------------------------------------------------------------------
// Returns active FEDs
const std::vector<uint16_t>& SiStripFedCabling::feds() const {
  return feds_;
}

// -----------------------------------------------------------------------------
// Returns connection info for FE devices connected to given FED id and channel
const FedChannelConnection& SiStripFedCabling::connection( uint16_t fed_id, 
                                                           uint16_t fed_chan ) const {

  //@@ should use connections(fed_id) method here!!!
  
  if ( !connected_.empty() ) {
    if ( fed_id < connected_.size() ) {
      if ( !connected_[fed_id].empty() ) {
        if ( fed_chan < connected_[fed_id].size() ) {
          return connected_[fed_id][fed_chan];
        } else {
          if ( edm::isDebugEnabled() ) {
            edm::LogWarning(mlCabling_)
              << "[SiStripFedCabling::" << __func__ << "]" 
              << " FED channel (" << fed_chan
              << ") is greater than or equal to vector size (" 
              << connected_[fed_chan].size() << ")!";
          }
        }
      } else {
        if ( edm::isDebugEnabled() ) {
          edm::LogWarning(mlCabling_)
            << "[SiStripFedCabling::" << __func__ << "]" 
            << " Cabling map is empty for FED id "
            << fed_id;
        }
      }
    } else {
      if ( edm::isDebugEnabled() ) {
        edm::LogWarning(mlCabling_) 
          << "[SiStripFedCabling::" << __func__ << "]" 
          << " FED id (" << fed_id
          << ") is greater than or equal to vector size (" 
          << connected_.size() << ")!";
      }
    }
  } else {
    edm::LogError(mlCabling_)
      << "[SiStripFedCabling::" << __func__ << "]" 
      << " Cabling map is empty!";
  }
  
  static FedChannelConnection conn; 
  return conn;
  
}

// -----------------------------------------------------------------------------
// Returns connection info for FE devices connected to given FED 
const std::vector<FedChannelConnection>& SiStripFedCabling::connections( uint16_t fed_id ) const {
  
  if ( !connected_.empty() ) {
    if ( fed_id < connected_.size() ) {
      if ( !connected_[fed_id].empty() ) {
        return connected_[fed_id];
      } else {
        if ( edm::isDebugEnabled() ) {
          edm::LogWarning(mlCabling_)
            << "[SiStripFedCabling::" << __func__ << "]" 
            << " Cabling map is empty for FED id "
            << fed_id;
        }
      }
    } else {
      if ( edm::isDebugEnabled() ) {
        edm::LogWarning(mlCabling_)
          << "[SiStripFedCabling::" << __func__ << "]" 
          << " FED id (" << fed_id
          << ") is greater than or equal to vector size (" 
          << connected_.size() << ")!";
      }
    }
  } else {
    edm::LogError(mlCabling_)
      << "[SiStripFedCabling::" << __func__ << "]" 
      << " Cabling map is empty!";
  }
  
  static FedChannelConnection conn; 
  static std::vector<FedChannelConnection> connections(96,conn); 
  return connections;
  
}

// -----------------------------------------------------------------------------
// 
void SiStripFedCabling::print( std::stringstream& ss ) const {
  
  const std::vector<uint16_t>& fed_ids = feds();
  if ( feds().empty() ) {
    ss << "[SiStripFedCabling::" << __func__ << "]"
       << " No FEDs found! Unable to  print cabling map!";
    return;
  } else {
    ss << "[SiStripFedCabling::" << __func__ << "]"
       << " Printing cabling map for " << fed_ids.size()
       << " FEDs with following ids: ";
  }

  std::vector<uint16_t>::const_iterator ii = fed_ids.begin(); 
  for ( ; ii != fed_ids.end(); ii++ ) { ss << *ii << " "; }
  ss << std::endl << std::endl;
  
  uint16_t total = 0;
  uint16_t nfeds = 0;
  uint16_t cntr = 0;
  
  std::vector<uint16_t>::const_iterator ifed = fed_ids.begin(); 
  for ( ; ifed != fed_ids.end(); ifed++ ) {
    const std::vector<FedChannelConnection>& conns = connections(*ifed);
    
    ss << " Printing cabling information for FED id " << *ifed 
       << " (found " << conns.size() 
       << " FedChannelConnection objects...)"
       << std::endl;
    
    uint16_t ichan = 0;
    uint16_t connected = 0;
    std::vector<FedChannelConnection>::const_iterator iconn = conns.begin();
    for ( ; iconn != conns.end(); iconn++ ) { 
      if ( iconn->fedId() != sistrip::invalid_ ) { 
        connected++; 
        ss << *iconn << std::endl;
      } else {
        ss << "  (FedId/Ch " << *ifed << "/" << ichan 
           << ": unconnected channel...)" << std::endl;
        cntr++;
      }
      ichan++;
    } 
    
    ss << " Found " << connected 
       << " connected channels for FED id " << *ifed << std::endl
       << std::endl;
    if ( connected ) { nfeds++; total += connected; }
    
  } // fed loop
  
  float percent = (100.*cntr) / (96.*nfeds);
  percent = static_cast<uint16_t>( 10.*percent );
  percent /= 10.;
  ss << " Found " << total 
     << " APV pairs that are connected to a total of " 
     << nfeds << " FEDs" << std::endl
     << " " << detected_.size() 
     << " APV pairs have been detected, but are not connected" << std::endl
     << " " << undetected_.size()
     << " APV pairs are undetected (wrt DCU-DetId map)" << std::endl
     << " " << cntr
     << " FED channels out of a possible " << (96*nfeds)
     << " (" << nfeds << " FEDs) are unconnected (" 
     << percent << "%)" << std::endl
     << std::endl;
  
}

// -----------------------------------------------------------------------------
// 
void SiStripFedCabling::terse( std::stringstream& ss ) const {
  
  ss << "[SiStripFedCabling::" << __func__ << "]";
    
  const std::vector<uint16_t>& fed_ids = feds();
  if ( feds().empty() ) {
    ss << " No FEDs found! Unable to print cabling map!";
    return;
  } 
  
  ss << " Printing cabling map for " << fed_ids.size()
     << " FEDs: " << std::endl << std::endl;
  
  std::vector<uint16_t>::const_iterator ifed = fed_ids.begin(); 
  for ( ; ifed != fed_ids.end(); ifed++ ) {

    const std::vector<FedChannelConnection>& conns = connections(*ifed);
    
    ss << " Printing cabling information for FED id " << *ifed 
       << " (found " << conns.size() 
       << " FedChannelConnection objects...)"
       << std::endl;
    
    uint16_t connected = 0;
    std::vector<FedChannelConnection>::const_iterator iconn = conns.begin();
    for ( ; iconn != conns.end(); iconn++ ) { 
      if ( iconn->fedId() < sistrip::valid_ ) { 
        connected++; 
        iconn->terse(ss); 
        ss << std::endl;
      } 
    }

    ss << " Found " << connected 
       << " connected channels for FED id " << *ifed << std::endl
       << std::endl;
    
  }
  
}

// -----------------------------------------------------------------------------
// 
void SiStripFedCabling::summary( std::stringstream& ss ) const {

  ss << "[SiStripFedCabling::" << __func__ << "]";
  
  const std::vector<uint16_t>& fed_ids = feds();
  if ( feds().empty() ) {
    ss << " No FEDs found!";
    return;
  } 
  
  ss << " Found " << feds().size() << " FEDs"
     << " with number of connected channels per front-end unit: " 
     << std::endl
     << " FedId FeUnit1 FeUnit2 FeUnit3 FeUnit4 FeUnit5 FeUnit6 FeUnit7 FeUnit8 Total" 
     << std::endl;
  
  uint16_t total = 0;
  uint16_t nfeds = 0;
  
  // iterate through fed ids
  std::vector<uint16_t>::const_iterator ii = fed_ids.begin(); 
  std::vector<uint16_t>::const_iterator jj = fed_ids.end(); 
  for ( ; ii != jj; ++ii ) { 
    
    // check number of connection objects
    const std::vector<FedChannelConnection>& conns = connections(*ii);
    if ( conns.size() < 96 ) { 
      edm::LogError(mlCabling_) 
        << "[SiStripFedCabling::" << __func__ << "]"
        << " Unexpected size for FedChannelConnection vector! " 
        << conns.size();
      return;
    }

    // count connected channels at level of fe unit
    std::vector<uint16_t> connected;
    connected.resize(8,0);
    for ( uint16_t ichan = 0; ichan < 96; ++ichan ) {
      if ( conns[ichan].fedId() < sistrip::valid_ ) { 
        uint16_t unit = SiStripFedKey::feUnit(ichan);
        if ( unit > 8 ) { continue; }
        connected[unit-1]++; 
      } 
    }

    // increment counters
    uint16_t tot = 0 ;
    ss << " " << std::setw(5) << *ii;
    if ( !connected.empty() ) { nfeds++; }
    for ( uint16_t unit = 0; unit < 8; ++unit ) {
      ss << " " << std::setw(7) << connected[unit];
      if ( !connected.empty() ) { tot += connected[unit]; }
    }
    ss << " " << std::setw(5) << tot << std::endl;
    total += tot;
    
  } 
  
  // print out
  float percent = (100.*total) / (96.*nfeds);
  percent = static_cast<uint16_t>( 10.*percent );
  percent /= 10.;
  ss << " Found: " << std::endl 
     << " " << nfeds << " out of " << feds().size() << " FEDs with at least one connected channel " << std::endl 
     << " " << feds().size() - nfeds << " out of " << feds().size() << " FEDs with no connected channels." << std::endl 
     << " " << total << " connected channels in total" << std::endl
     << " " << detected_.size()  << " APV pairs have been detected, but are not connected" << std::endl
     << " " << undetected_.size() << " APV pairs are undetected (wrt DCU-DetId map)" << std::endl
     << " " << percent << "% of FED channels are connected"  << std::endl;
  
}

// -----------------------------------------------------------------------------
//
std::ostream& operator<< ( std::ostream& os, const SiStripFedCabling& cabling ) {
  std::stringstream ss;
  cabling.print(ss);
  os << ss.str();
  return os;
}


// -----------------------------------------------------------------------------
#else // SISTRIPCABLING_USING_NEW_STRUCTURE ------------------------------------
#ifndef SISTRIPCABLING_USING_NEW_INTERFACE // ----------------------------------
// -----------------------------------------------------------------------------


// -----------------------------------------------------------------------------
//
SiStripFedCabling::SiStripFedCabling( const std::vector<FedChannelConnection>& input ) 
  : feds_(),
    registry_(),
    connections_(),
    detected_(),
    undetected_()
{
  LogTrace(mlCabling_)
    << "[SiStripFedCabling::" << __func__ << "]"
    << " Constructing object...";
  buildFedCabling( input );
}

// -----------------------------------------------------------------------------
//
SiStripFedCabling::SiStripFedCabling( const SiStripFedCabling& input ) 
  : feds_( input.feds_ ),
    registry_( input.registry_ ),
    connections_( input.connections_ ),
    detected_( input.detected_ ),
    undetected_( input.undetected_ )
{
  LogTrace(mlCabling_)
    << "[SiStripFedCabling::" << __func__ << "]"
    << " Constructing object...";
}

// -----------------------------------------------------------------------------
//
SiStripFedCabling::SiStripFedCabling() 
  : feds_(),
    registry_(),
    connections_(),
    detected_(),
    undetected_()
{
  LogTrace(mlCabling_) 
    << "[SiStripFedCabling::" << __func__ << "]"
    << " Constructing object...";
}

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

// -----------------------------------------------------------------------------
//
void SiStripFedCabling::buildFedCabling( const std::vector<FedChannelConnection>& input ) {
  
  // Check input
  if ( input.empty() ) {
    edm::LogError(mlCabling_)
      << "[SiStripFedCabling::" << __func__ << "]"
      << " Input vector of FedChannelConnections is of zero size!"
      << " Unable to populate FED cabling object!"; 
    return;
  }
  
  std::stringstream ss;
  ss << "[SiStripFedCabling::" << __func__ << "]"
     << " Building FED cabling from " 
     << input.size()
     << " connections...";
  LogTrace(mlCabling_) << ss.str();
  
  // Sort input vector by FED id and channel
  Conns temp(input);
  std::sort( temp.begin(), temp.end() );
  
  // Strip FED ids
  uint16_t min_id = static_cast<uint16_t>( FEDNumbering::getSiStripFEDIds().first );
  uint16_t max_id = static_cast<uint16_t>( FEDNumbering::getSiStripFEDIds().second );
  uint16_t nfeds  = max_id - min_id + 1;
  
  // Initialise containers
  connections_.clear();
  connections_.reserve( 96 * nfeds );
  registry_.clear();
  feds_.clear();
  registry_.resize( nfeds, ConnsRange::emptyPair() );
  
  // Populate container
  ConnsIter ii = temp.begin(); 
  ConnsIter jj = temp.end(); 
  for ( ; ii != jj; ++ii ) {
    
    uint16_t fed_id = ii->fedId();
    uint16_t fed_ch = ii->fedCh();
    uint16_t index  = fed_id - min_id;
    
    if ( fed_id < min_id || fed_id > max_id ) { continue; }
    if ( index >= registry_.size() ) { continue; }
    if ( !ii->isConnected() ) { continue; }
    
    FedsConstIter iter = find( feds_.begin(), feds_.end(), fed_id );
    if ( iter == feds_.end() ) { feds_.push_back( fed_id ); }
    
    if ( registry_[index] == ConnsRange::emptyPair() ) {
      ConnsPair conns_pair;
      conns_pair.first = std::distance( connections_.begin(), connections_.end() );
      connections_.insert( connections_.end(), 96, FedChannelConnection() ); 
      conns_pair.second = std::distance( connections_.begin(), connections_.end() );
      registry_[index] = conns_pair;
    } 

    ConnsRange conns = range( registry_[index] );
    ConnsConstIter iconn = conns.begin() + fed_ch;
    FedChannelConnection& conn = const_cast<FedChannelConnection&>(*iconn);
    conn = *ii;

  }
  
}

// -----------------------------------------------------------------------------
//
SiStripFedCabling::ConnsRange::ConnsRange( const Conns& c, ConnsPair p ) :
  vector_( c.begin(), c.end() ),
  range_( c.begin()+p.first, c.begin()+p.second )
{
  if ( p.first > p.second ||
       p.first == sistrip::invalid32_ ||
       p.second == sistrip::invalid32_ ||
       p.first > c.size() || 
       p.second > c.size() ) {
    range_ = ConnsConstIterRange( c.end(), c.end() );
  }
}

// -----------------------------------------------------------------------------
//
SiStripFedCabling::ConnsRange::ConnsRange( const Conns& c ) :
  vector_( c.begin(), c.end() ),
  range_( c.end(), c.end() )
{;}  

// -----------------------------------------------------------------------------
//
void SiStripFedCabling::ConnsRange::print( std::stringstream& ss ) const {
  ss << "[SiStripFedCabling::ConnsRange::" << __func__ << "] Debug info:" << std::endl
     << " Vector  : " << std::endl
     << "  size   : " << vector_.size() << std::endl
     << "  begin  : " 
     << std::hex << std::setfill('0') << std::setw(8)
     << &*vector_.begin()
     << std::dec << std::endl
     << "  end    : " 
     << std::hex << std::setfill('0') << std::setw(8)
     << &*vector_.end()
     << std::dec << std::endl
     << " Range   : " << std::endl
     << "  size   : "  << range_.size() << std::endl
     << "  begin  : " 
     << std::hex << std::setfill('0') << std::setw(8)
     << &*range_.begin() 
     << std::dec
     << " (dist=" << std::distance( vector_.begin(), range_.begin() ) << ")" 
     << std::endl
     << "  end    : " 
     << std::hex << std::setfill('0') << std::setw(8)
     << &*range_.end() 
     << std::dec
     << " (dist=" << std::distance( vector_.begin(), range_.end() ) << ")" 
     << std::endl
     << " Offsets : " << std::endl
     << "  first  : " << connsPair().first << std::endl
     << "  second : " << connsPair().second << std::endl;
}

// -----------------------------------------------------------------------------
//
std::ostream& operator<<( std::ostream& os, const SiStripFedCabling::ConnsRange& input ) {
  std::stringstream ss;
  input.print(ss);
  os << ss.str();
  return os;
}

// -----------------------------------------------------------------------------
// Returns connection info for FE devices connected to given FED 
const std::vector<FedChannelConnection>& SiStripFedCabling::connections( uint16_t fed_id ) const {
  
  // HORRIBLE!
  
  static FedChannelConnection conn; 
  static std::vector<FedChannelConnection> conns1(96,conn); 
  static std::vector<FedChannelConnection> conns2(96,conn); 
  
  if ( fed_id < FEDNumbering::getSiStripFEDIds().first ||
       fed_id > FEDNumbering::getSiStripFEDIds().second ) { return conns1; }

  uint16_t index = fed_id - FEDNumbering::getSiStripFEDIds().first;
  if ( index < registry_.size() ) { 
    ConnsRange conns = range( registry_[ index ] );
    conns2.resize( conns.size() );
    std::copy( conns.begin(), conns.end(), conns2.begin() );
    return conns2; 
  } else { return conns1; }
  
}

// -----------------------------------------------------------------------------
// Returns active FEDs
const std::vector<uint16_t>& SiStripFedCabling::feds() const {
  return feds_;
}

// -----------------------------------------------------------------------------
// Returns connection info for FE devices connected to given FED id and channel
const FedChannelConnection& SiStripFedCabling::connection( uint16_t fed_id, 
                                                           uint16_t fed_ch ) const {
  
  // HORRIBLE!
  
  static FedChannelConnection conn; 
  
  if ( fed_id < FEDNumbering::getSiStripFEDIds().first ||
       fed_id > FEDNumbering::getSiStripFEDIds().second ) { return conn; }
  
  uint16_t index = fed_id - FEDNumbering::getSiStripFEDIds().first;
  if ( index < registry_.size() ) { 
    ConnsRange conns = range( registry_[ index ] );
    if ( conns.size() != 96 ) { return conn; }
    else if ( fed_ch > 95 ) { return conn; }
    else { return *( conns.begin() + fed_ch ); }
  } else { return conn; }
  
}

// -----------------------------------------------------------------------------
// 
void SiStripFedCabling::print( std::stringstream& ss ) const {

  uint16_t total = 0;
  uint16_t nfeds = 0;
  uint16_t cntr = 0;

  if ( feds_.empty() ) {
    ss << "[SiStripFedCabling::" << __func__ << "]"
       << " No FEDs found! Unable to  print cabling map!";
    return;
  } else {
    ss << "[SiStripFedCabling::" << __func__ << "]"
       << " Printing cabling map for " << feds_.size()
       << " FEDs with following ids: ";
  }
  
  std::vector<uint16_t>::const_iterator ii = feds_.begin(); 
  std::vector<uint16_t>::const_iterator jj = feds_.end(); 
  for ( ; ii != jj; ++ii ) { ss << *ii << " "; }
  ss << std::endl << std::endl;
  
  std::vector<uint16_t>::const_iterator ifed = feds_.begin(); 
  std::vector<uint16_t>::const_iterator jfed = feds_.end(); 
  for ( ; ifed != jfed; ++ifed ) {
    
    uint16_t index = *ifed - FEDNumbering::getSiStripFEDIds().first;
    if ( index < registry_.size() ) { 
      ConnsRange conns = range( registry_[ index ] );
      
      ss << " Printing cabling information for FED id " << *ifed 
         << " (found " << conns.size() 
         << " FedChannelConnection objects...)"
         << std::endl;
      
      uint16_t ichan = 0;
      uint16_t connected = 0;
      ConnsConstIter iconn = conns.begin();
      ConnsConstIter jconn = conns.end();
      for ( ; iconn != jconn; ++iconn ) { 
        if ( iconn->fedId() != sistrip::invalid_ ) { 
          connected++; 
          ss << *iconn << std::endl;
        } else {
          ss << "  (FedId/Ch " << *ifed << "/" << ichan 
             << ": unconnected channel...)" << std::endl;
          cntr++;
        }
        ichan++;
      } 
      
      ss << " Found " << connected 
         << " connected channels for FED id " << *ifed << std::endl
         << std::endl;
      if ( connected ) { nfeds++; total += connected; }
      
    }
    
  }
  
  float percent = (100.*cntr) / (96.*nfeds);
  percent = static_cast<uint16_t>( 10.*percent );
  percent /= 10.;
  ss << " Found " << total 
     << " APV pairs that are connected to a total of " 
     << nfeds << " FEDs" << std::endl
     << " " << detected_.size() 
     << " APV pairs have been detected, but are not connected" << std::endl
     << " " << undetected_.size()
     << " APV pairs are undetected (wrt DCU-DetId map)" << std::endl
     << " " << cntr
     << " FED channels out of a possible " << (96*nfeds)
     << " (" << nfeds << " FEDs) are unconnected (" 
     << percent << "%)" << std::endl
     << std::endl;
  
}

// -----------------------------------------------------------------------------
// 
void SiStripFedCabling::terse( std::stringstream& ss ) const {
  

  ss << "[SiStripFedCabling::" << __func__ << "]";
    
  if ( feds_.empty() ) {
    ss << " No FEDs found! Unable to print cabling map!";
    return;
  } 
  
  ss << " Printing cabling map for " << feds_.size()
     << " FEDs: " << std::endl << std::endl;
  
  std::vector<uint16_t>::const_iterator ifed = feds_.begin(); 
  std::vector<uint16_t>::const_iterator jfed = feds_.end(); 
  for ( ; ifed != jfed; ++ifed ) {
    
    uint16_t index = *ifed - FEDNumbering::getSiStripFEDIds().first;
    if ( index < registry_.size() ) { 
      ConnsRange conns = range( registry_[ index ] ); 
      
      ss << " Printing cabling information for FED id " << *ifed 
         << " (found " << conns.size() 
         << " FedChannelConnection objects...)"
         << std::endl;
      
      uint16_t connected = 0;
      ConnsConstIter iconn = conns.begin();
      ConnsConstIter jconn = conns.end();
      for ( ; iconn != jconn; ++iconn ) { 
        if ( iconn->fedId() != sistrip::invalid_ ) { 
          connected++; 
          iconn->terse(ss); 
          ss << std::endl;
        }
      } 
      
      ss << " Found " << connected 
         << " connected channels for FED id " << *ifed << std::endl
         << std::endl;
      
    }
    
  }
  
}

// -----------------------------------------------------------------------------
// 
void SiStripFedCabling::summary( std::stringstream& ss ) const {

  ss << "[SiStripFedCabling::" << __func__ << "]";
  
  if ( feds_.empty() ) {
    ss << " No FEDs found!";
    return;
  } 
  
  ss << " Found " << feds_.size() << " FEDs"
     << " with number of connected channels per front-end unit: " 
     << std::endl
     << " FedId FeUnit1 FeUnit2 FeUnit3 FeUnit4 FeUnit5 FeUnit6 FeUnit7 FeUnit8 Total" 
     << std::endl;
  
  uint16_t total = 0;
  uint16_t nfeds = 0;
  
  // iterate through fed ids
  std::vector<uint16_t>::const_iterator ii = feds_.begin(); 
  std::vector<uint16_t>::const_iterator jj = feds_.end(); 
  for ( ; ii != jj; ++ii ) { 

    // check number of connection objects
    uint16_t index = *ii - FEDNumbering::getSiStripFEDIds().first;
    if ( index < registry_.size() ) { 
      ConnsRange conns = range( registry_[ index ] ); 

      if ( conns.size() < 96 ) { 
        edm::LogError(mlCabling_) 
          << "[SiStripFedCabling::" << __func__ << "]"
          << " Unexpected size for FedChannelConnection vector! " 
          << conns.size();
        return;
      }

      // count connected channels at level of fe unit
      std::vector<uint16_t> connected;
      connected.resize(8,0);
      for ( uint16_t ichan = 0; ichan < 96; ++ichan ) {
        ConnsConstIter iconn = conns.begin() + ichan;
        if ( iconn->fedId() < sistrip::valid_ ) { 
          uint16_t unit = SiStripFedKey::feUnit(ichan);
          if ( unit > 8 ) { continue; }
          connected[unit-1]++; 
        } 
      }
      
      // increment counters
      uint16_t tot = 0 ;
      ss << " " << std::setw(5) << *ii;
      if ( !connected.empty() ) { nfeds++; }
      for ( uint16_t unit = 0; unit < 8; ++unit ) {
        ss << " " << std::setw(7) << connected[unit];
        if ( !connected.empty() ) { tot += connected[unit]; }
      }
      ss << " " << std::setw(5) << tot << std::endl;
      total += tot;
      
    } 
  
  }
  
  // print out
  float percent = (100.*total) / (96.*nfeds);
  percent = static_cast<uint16_t>( 10.*percent );
  percent /= 10.;
  ss << " Found: " << std::endl 
     << " " << nfeds << " out of " << feds_.size()
     << " FEDs with at least one connected channel " << std::endl 
     << " " << feds_.size() - nfeds << " out of " << feds_.size()
     << " FEDs with no connected channels." << std::endl 
     << " " << total << " connected channels in total" << std::endl
     << " " << detected_.size() 
     << " APV pairs have been detected, but are not connected" << std::endl
     << " " << undetected_.size() 
     << " APV pairs are undetected (wrt DCU-DetId map)" << std::endl
     << " " << percent
     << "% of FED channels are connected"  << std::endl;
  
}

// -----------------------------------------------------------------------------
//
std::ostream& operator<< ( std::ostream& os, const SiStripFedCabling& cabling ) {
  std::stringstream ss;
  cabling.print(ss);
  os << ss.str();
  return os;
}


// -----------------------------------------------------------------------------
#else // SISTRIPCABLING_USING_NEW_INTERFACE ------------------------------------
// -----------------------------------------------------------------------------


// -----------------------------------------------------------------------------
// TO BE DEPRECATED! TO BE DEPRECATED! TO BE DEPRECATED! 
SiStripFedCabling::SiStripFedCabling( const std::vector<FedChannelConnection>& input ) 
  : feds_(),
    registry_(),
    connections_(),
    detected_(),
    undetected_()
{
  LogTrace(mlCabling_)
    << "[SiStripFedCabling::" << __func__ << "]"
    << " Constructing object for vector of connections...";
  buildFedCabling( ConnsConstIterRange( input.begin(), 
                                        input.end() ) );
}

// -----------------------------------------------------------------------------
// TO BE DEPRECATED! TO BE DEPRECATED! TO BE DEPRECATED! 
void SiStripFedCabling::buildFedCabling( const std::vector<FedChannelConnection>& input ) {
  buildFedCabling( ConnsConstIterRange( input.begin(), 
                                        input.end() ) );
}

// -----------------------------------------------------------------------------
// TO BE DEPRECATED! TO BE DEPRECATED! TO BE DEPRECATED! 
const std::vector<FedChannelConnection>& SiStripFedCabling::connections( uint16_t fed_id ) const {
  static std::vector<FedChannelConnection> output;
  output.clear();
  ConnsConstIterRange input = fedConnections( fed_id );
  if ( !input.empty() ) {
    output.resize( input.size() );
    std::copy( input.begin(), input.end(), output.begin() );
  } else { output.resize( 96, FedChannelConnection() ); }
  return output;
}

// -----------------------------------------------------------------------------
// TO BE DEPRECATED! TO BE DEPRECATED! TO BE DEPRECATED! 
const FedChannelConnection& SiStripFedCabling::connection( uint16_t fed_id, 
                                                           uint16_t fed_ch ) const {
  static FedChannelConnection output;
  output = fedConnection( fed_id, fed_ch );
  return output;
}

// -----------------------------------------------------------------------------
// TO BE DEPRECATED! TO BE DEPRECATED! TO BE DEPRECATED! 
const std::vector<uint16_t>& SiStripFedCabling::feds() const {
  return feds_;
}

// -----------------------------------------------------------------------------
// TO BE DEPRECATED! TO BE DEPRECATED! TO BE DEPRECATED! 
const std::vector<FedChannelConnection>& SiStripFedCabling::detected() const { 
  return detected_;
}

// -----------------------------------------------------------------------------
// TO BE DEPRECATED! TO BE DEPRECATED! TO BE DEPRECATED! 
const std::vector<FedChannelConnection>& SiStripFedCabling::undetected() const{ 
  return undetected_;
}

// -----------------------------------------------------------------------------
//
SiStripFedCabling::SiStripFedCabling( ConnsConstIterRange input ) 
  : feds_(),
    registry_(),
    connections_(),
    detected_(),
    undetected_()
{
  LogTrace(mlCabling_)
    << "[SiStripFedCabling::" << __func__ << "]"
    << " Constructing object from connection range...";
  buildFedCabling( input );
}

// -----------------------------------------------------------------------------
//
SiStripFedCabling::SiStripFedCabling( const SiStripFedCabling& input ) 
  : feds_( input.feds_ ),
    registry_( input.registry_ ),
    connections_( input.connections_ ),
    detected_( input.detected_ ),
    undetected_( input.undetected_ )
{
  LogTrace(mlCabling_)
    << "[SiStripFedCabling::" << __func__ << "]"
    << " Copy constructing object...";
}

// -----------------------------------------------------------------------------
//
SiStripFedCabling::SiStripFedCabling() 
  : feds_(),
    registry_(),
    connections_(),
    detected_(),
    undetected_()
{
  LogTrace(mlCabling_) 
    << "[SiStripFedCabling::" << __func__ << "]"
    << " Default constructing object...";
}

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

// -----------------------------------------------------------------------------
//
void SiStripFedCabling::buildFedCabling( ConnsConstIterRange input ) {
  
  // Check input
  if ( input.empty() ) {
    edm::LogError(mlCabling_)
      << "[SiStripFedCabling::" << __func__ << "]"
      << " Input vector of FedChannelConnections is of zero size!"
      << " Unable to populate FED cabling object!"; 
    return;
  }
  
  std::stringstream ss;
  ss << "[SiStripFedCabling::" << __func__ << "]"
     << " Building FED cabling from " 
     << input.size()
     << " connections...";
  LogTrace(mlCabling_) << ss.str();
  
  // Sort input vector by FED id and channel
  Conns temp( input.size() );
  std::copy( input.begin(), input.end(), temp.begin() );
  std::sort( temp.begin(), temp.end() );
  
  // Strip FED ids
  uint16_t min_id = static_cast<uint16_t>( FEDNumbering::MINSiStripFEDID );
  uint16_t max_id = static_cast<uint16_t>( FEDNumbering::MAXSiStripFEDID );
  uint16_t nfeds  = max_id - min_id + 1;
  
  // Initialise containers
  connections_.clear();
  connections_.reserve( 96 * nfeds );
  registry_.clear();
  feds_.clear();
  registry_.resize( nfeds, ConnsRange::emptyPair() );
  
  // Populate container
  ConnsIter ii = temp.begin(); 
  ConnsIter jj = temp.end(); 
  for ( ; ii != jj; ++ii ) {
    
    uint16_t fed_id = ii->fedId();
    uint16_t fed_ch = ii->fedCh();
    uint16_t index  = fed_id - min_id;
    
    if ( fed_id < min_id || fed_id > max_id ) { continue; }
    if ( index >= registry_.size() ) { continue; }
    if ( !ii->isConnected() ) { continue; }
    
    FedsConstIter iter = find( feds_.begin(), feds_.end(), fed_id );
    if ( iter == feds_.end() ) { feds_.push_back( fed_id ); }
    
    if ( registry_[index] == ConnsRange::emptyPair() ) {
      ConnsPair conns_pair;
      conns_pair.first = std::distance( connections_.begin(), connections_.end() );
      connections_.insert( connections_.end(), 96, FedChannelConnection() ); 
      conns_pair.second = std::distance( connections_.begin(), connections_.end() );
      registry_[index] = conns_pair;
    } 

    ConnsRange conns = range( registry_[index] );
    ConnsConstIter iconn = conns.begin() + fed_ch;
    FedChannelConnection& conn = const_cast<FedChannelConnection&>(*iconn);
    conn = *ii;

  }
  
}

// -----------------------------------------------------------------------------
//
SiStripFedCabling::ConnsRange::ConnsRange( const Conns& c, ConnsPair p ) :
  vector_( c.begin(), c.end() ),
  range_( c.begin()+p.first, c.begin()+p.second )
{
  if ( p.first > p.second ||
       p.first == sistrip::invalid32_ ||
       p.second == sistrip::invalid32_ ||
       p.first > c.size() || 
       p.second > c.size() ) {
    range_ = ConnsConstIterRange( c.end(), c.end() );
  }
}

// -----------------------------------------------------------------------------
//
SiStripFedCabling::ConnsRange::ConnsRange( const Conns& c ) :
  vector_( c.begin(), c.end() ),
  range_( c.end(), c.end() )
{;}  

// -----------------------------------------------------------------------------
//
void SiStripFedCabling::ConnsRange::print( std::stringstream& ss ) const {
  ss << "[SiStripFedCabling::ConnsRange::" << __func__ << "] Debug info:" << std::endl
     << " Vector  : " << std::endl
     << "  size   : " << vector_.size() << std::endl
     << "  begin  : " 
     << std::hex << std::setfill('0') << std::setw(8)
     << &*vector_.begin()
     << std::dec << std::endl
     << "  end    : " 
     << std::hex << std::setfill('0') << std::setw(8)
     << &*vector_.end()
     << std::dec << std::endl
     << " Range   : " << std::endl
     << "  size   : "  << range_.size() << std::endl
     << "  begin  : " 
     << std::hex << std::setfill('0') << std::setw(8)
     << &*range_.begin() 
     << std::dec
     << " (dist=" << std::distance( vector_.begin(), range_.begin() ) << ")" 
     << std::endl
     << "  end    : " 
     << std::hex << std::setfill('0') << std::setw(8)
     << &*range_.end() 
     << std::dec
     << " (dist=" << std::distance( vector_.begin(), range_.end() ) << ")" 
     << std::endl
     << " Offsets : " << std::endl
     << "  first  : " << connsPair().first << std::endl
     << "  second : " << connsPair().second << std::endl;
}

// -----------------------------------------------------------------------------
//
std::ostream& operator<<( std::ostream& os, const SiStripFedCabling::ConnsRange& input ) {
  std::stringstream ss;
  input.print(ss);
  os << ss.str();
  return os;
}

// -----------------------------------------------------------------------------
// Returns connection info for FE devices connected to given FED 
SiStripFedCabling::ConnsConstIterRange SiStripFedCabling::fedConnections( uint16_t fed_id ) const {
  uint16_t index = fed_id - FEDNumbering::MINSiStripFEDID;
  if ( index < registry_.size() ) { 
    return range( registry_[ index ] ).range();
  } else { return range( registry_[ index ] ).invalid(); }
}

// -----------------------------------------------------------------------------
// Returns connection info for FE devices connected to given FED id and channel
FedChannelConnection SiStripFedCabling::fedConnection( uint16_t fed_id, 
                                                       uint16_t fed_ch ) const {
  ConnsConstIterRange conns = fedConnections( fed_id );
  if ( !conns.empty() && conns.size() == 96 && fed_ch < 96 ) {
    return *( conns.begin() + fed_ch ); 
  } else { return FedChannelConnection(); }
}

// -----------------------------------------------------------------------------
// 
void SiStripFedCabling::printDebug( std::stringstream& ss ) const {

  uint16_t total = 0;
  uint16_t nfeds = 0;
  uint16_t cntr = 0;

  if ( feds_.empty() ) {
    ss << "[SiStripFedCabling::" << __func__ << "]"
       << " No FEDs found! Unable to  print cabling map!";
    return;
  } else {
    ss << "[SiStripFedCabling::" << __func__ << "]"
       << " Printing cabling map for " << feds_.size()
       << " FEDs with following ids: ";
  }
  
  std::vector<uint16_t>::const_iterator ii = feds_.begin(); 
  std::vector<uint16_t>::const_iterator jj = feds_.end(); 
  for ( ; ii != jj; ++ii ) { ss << *ii << " "; }
  ss << std::endl << std::endl;
  
  std::vector<uint16_t>::const_iterator ifed = feds_.begin(); 
  std::vector<uint16_t>::const_iterator jfed = feds_.end(); 
  for ( ; ifed != jfed; ++ifed ) {
    
    uint16_t index = *ifed - FEDNumbering::MINSiStripFEDID;
    if ( index < registry_.size() ) { 
      ConnsRange conns = range( registry_[ index ] );
      
      ss << " Printing cabling information for FED id " << *ifed 
         << " (found " << conns.size() 
         << " FedChannelConnection objects...)"
         << std::endl;
      
      uint16_t ichan = 0;
      uint16_t connected = 0;
      ConnsConstIter iconn = conns.begin();
      ConnsConstIter jconn = conns.end();
      for ( ; iconn != jconn; ++iconn ) { 
        if ( iconn->fedId() != sistrip::invalid_ ) { 
          connected++; 
          ss << *iconn << std::endl;
        } else {
          ss << "  (FedId/Ch " << *ifed << "/" << ichan 
             << ": unconnected channel...)" << std::endl;
          cntr++;
        }
        ichan++;
      } 
      
      ss << " Found " << connected 
         << " connected channels for FED id " << *ifed << std::endl
         << std::endl;
      if ( connected ) { nfeds++; total += connected; }
      
    }
    
  }
  
  float percent = (100.*cntr) / (96.*nfeds);
  percent = static_cast<uint16_t>( 10.*percent );
  percent /= 10.;
  ss << " Found " << total 
     << " APV pairs that are connected to a total of " 
     << nfeds << " FEDs" << std::endl
     << " " << detected_.size() 
     << " APV pairs have been detected, but are not connected" << std::endl
     << " " << undetected_.size()
     << " APV pairs are undetected (wrt DCU-DetId map)" << std::endl
     << " " << cntr
     << " FED channels out of a possible " << (96*nfeds)
     << " (" << nfeds << " FEDs) are unconnected (" 
     << percent << "%)" << std::endl
     << std::endl;
  
}

// -----------------------------------------------------------------------------
// 
void SiStripFedCabling::terse( std::stringstream& ss ) const {
  

  ss << "[SiStripFedCabling::" << __func__ << "]";
    
  if ( feds_.empty() ) {
    ss << " No FEDs found! Unable to print cabling map!";
    return;
  } 
  
  ss << " Printing cabling map for " << feds_.size()
     << " FEDs: " << std::endl << std::endl;
  
  std::vector<uint16_t>::const_iterator ifed = feds_.begin(); 
  std::vector<uint16_t>::const_iterator jfed = feds_.end(); 
  for ( ; ifed != jfed; ++ifed ) {
    
    uint16_t index = *ifed - FEDNumbering::MINSiStripFEDID;
    if ( index < registry_.size() ) { 
      ConnsRange conns = range( registry_[ index ] ); 
      
      ss << " Printing cabling information for FED id " << *ifed 
         << " (found " << conns.size() 
         << " FedChannelConnection objects...)"
         << std::endl;
      
      uint16_t connected = 0;
      ConnsConstIter iconn = conns.begin();
      ConnsConstIter jconn = conns.end();
      for ( ; iconn != jconn; ++iconn ) { 
        if ( iconn->fedId() != sistrip::invalid_ ) { 
          connected++; 
          iconn->terse(ss); 
          ss << std::endl;
        }
      } 
      
      ss << " Found " << connected 
         << " connected channels for FED id " << *ifed << std::endl
         << std::endl;
      
    }
    
  }
  
}

// -----------------------------------------------------------------------------
//
void SiStripFedCabling::printSummary( std::stringstream& ss ) const {

  ss << "[SiStripFedCabling::" << __func__ << "]";
  
  if ( feds_.empty() ) {
    ss << " No FEDs found!";
    return;
  } 
  
  ss << " Found " << feds_.size() << " FEDs"
     << " with number of connected channels per front-end unit: " 
     << std::endl
     << " FedId FeUnit1 FeUnit2 FeUnit3 FeUnit4 FeUnit5 FeUnit6 FeUnit7 FeUnit8 Total" 
     << std::endl;
  
  uint16_t total = 0;
  uint16_t nfeds = 0;
  
  // iterate through fed ids
  std::vector<uint16_t>::const_iterator ii = feds_.begin(); 
  std::vector<uint16_t>::const_iterator jj = feds_.end(); 
  for ( ; ii != jj; ++ii ) { 

    // check number of connection objects
    uint16_t index = *ii - FEDNumbering::MINSiStripFEDID;
    if ( index < registry_.size() ) { 
      ConnsRange conns = range( registry_[ index ] ); 

      if ( conns.size() < 96 ) { 
        edm::LogError(mlCabling_) 
          << "[SiStripFedCabling::" << __func__ << "]"
          << " Unexpected size for FedChannelConnection vector! " 
          << conns.size();
        return;
      }

      // count connected channels at level of fe unit
      std::vector<uint16_t> connected;
      connected.resize(8,0);
      for ( uint16_t ichan = 0; ichan < 96; ++ichan ) {
        ConnsConstIter iconn = conns.begin() + ichan;
        if ( iconn->fedId() < sistrip::valid_ ) { 
          uint16_t unit = SiStripFedKey::feUnit(ichan);
          if ( unit > 8 ) { continue; }
          connected[unit-1]++; 
        } 
      }
      
      // increment counters
      uint16_t tot = 0 ;
      ss << " " << std::setw(5) << *ii;
      if ( !connected.empty() ) { nfeds++; }
      for ( uint16_t unit = 0; unit < 8; ++unit ) {
        ss << " " << std::setw(7) << connected[unit];
        if ( !connected.empty() ) { tot += connected[unit]; }
      }
      ss << " " << std::setw(5) << tot << std::endl;
      total += tot;
      
    } 
  
  }
  
  // print out
  float percent = (100.*total) / (96.*nfeds);
  percent = static_cast<uint16_t>( 10.*percent );
  percent /= 10.;
  ss << " Found: " << std::endl 
     << " " << nfeds << " out of " << feds_.size()
     << " FEDs with at least one connected channel " << std::endl 
     << " " << feds_.size() - nfeds << " out of " << feds_.size()
     << " FEDs with no connected channels." << std::endl 
     << " " << total << " connected channels in total" << std::endl
     << " " << detected_.size() 
     << " APV pairs have been detected, but are not connected" << std::endl
     << " " << undetected_.size() 
     << " APV pairs are undetected (wrt DCU-DetId map)" << std::endl
     << " " << percent
     << "% of FED channels are connected"  << std::endl;
  
}

// -----------------------------------------------------------------------------
//
std::ostream& operator<< ( std::ostream& os, const SiStripFedCabling& cabling ) {
  std::stringstream ss;
  cabling.print(ss);
  os << ss.str();
  return os;
}


// -----------------------------------------------------------------------------
#endif // SISTRIPCABLING_USING_NEW_INTERFACE -----------------------------------
#endif // SISTRIPCABLING_USING_NEW_STRUCTURE -----------------------------------
// -----------------------------------------------------------------------------