Gaudi::IODataManager Class Reference

#include </builds/gaudi/Gaudi/GaudiUtils/src/component/IODataManager.h>

Inheritance diagram for Gaudi::IODataManager:

Collaboration diagram for Gaudi::IODataManager:

Classes
struct	Entry

Public Member Functions
StatusCode	initialize () override
	IService implementation: initialize the service.
StatusCode	finalize () override
	IService implementation: finalize the service.
StatusCode	connectRead (bool keep_open, Connection *ioDesc) override
	Open data stream in read mode.
StatusCode	connectWrite (Connection *con, IoType mode=Connection::CREATE, CSTR doctype="UNKNOWN") override
	Open data stream in write mode.
StatusCode	disconnect (Connection *ioDesc) override
	Release data stream.
Connection *	connection (const std::string &dsn) const override
	Retrieve known connection.
Connections	connections (const IInterface *owner) const override
	Get connection by owner instance (0=ALL).
StatusCode	read (Connection *ioDesc, void *const data, size_t len) override
	Read raw byte buffer from input stream.
StatusCode	write (Connection *con, const void *data, int len) override
	Write raw byte buffer to output stream.
long long int	seek (Connection *ioDesc, long long int where, int origin) override
	Seek on the file described by ioDesc. Arguments as in ::seek().
Public Member Functions inherited from extends< Service, IIODataManager >
void const *	i_cast (const InterfaceID &tid) const override
	Implementation of IInterface::i_cast.
StatusCode	queryInterface (const InterfaceID &ti, void **pp) override
	Implementation of IInterface::queryInterface.
std::vector< std::string >	getInterfaceNames () const override
	Implementation of IInterface::getInterfaceNames.
Public Member Functions inherited from Service
const std::string &	name () const override
	Retrieve name of the service.
StatusCode	configure () override
StatusCode	initialize () override
StatusCode	start () override
StatusCode	stop () override
StatusCode	finalize () override
StatusCode	terminate () override
Gaudi::StateMachine::State	FSMState () const override
Gaudi::StateMachine::State	targetFSMState () const override
StatusCode	reinitialize () override
StatusCode	restart () override
StatusCode	sysInitialize () override
	Initialize Service.
StatusCode	sysStart () override
	Initialize Service.
StatusCode	sysStop () override
	Initialize Service.
StatusCode	sysFinalize () override
	Finalize Service.
StatusCode	sysReinitialize () override
	Re-initialize the Service.
StatusCode	sysRestart () override
	Re-initialize the Service.
	Service (std::string name, ISvcLocator *svcloc)
	Standard Constructor.
SmartIF< ISvcLocator > &	serviceLocator () const override
	Retrieve pointer to service locator.
template<typename IFace = IService>
SmartIF< IFace >	service (const std::string &name, bool createIf=true) const
template<class T>
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, ToolHandle< T > &hndl, const std::string &doc="none")
template<class T>
StatusCode	declareTool (ToolHandle< T > &handle, bool createIf=true)
template<class T>
StatusCode	declareTool (ToolHandle< T > &handle, const std::string &toolTypeAndName, bool createIf=true)
	Declare used tool.
template<class T>
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, ToolHandleArray< T > &hndlArr, const std::string &doc="none")
template<class T>
void	addToolsArray (ToolHandleArray< T > &hndlArr)
const std::vector< IAlgTool * > &	tools () const
SmartIF< IAuditorSvc > &	auditorSvc () const
	The standard auditor service.May not be invoked before sysInitialize() has been invoked.
Public Member Functions inherited from PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
StatusCode	setProperty (const Gaudi::Details::PropertyBase &p)
	Set the property from a property.
StatusCode	setProperty (const std::string &name, const char *v)
	Special case for string literals.
StatusCode	setProperty (const std::string &name, const std::string &v)
	Special case for std::string.
StatusCode	setProperty (const std::string &name, const TYPE &value)
	set the property form the value
	PropertyHolder ()=default
Gaudi::Details::PropertyBase &	declareProperty (Gaudi::Details::PropertyBase &prop)
	Declare a property.
Gaudi::Details::PropertyBase *	declareRemoteProperty (const std::string &name, IProperty *rsvc, const std::string &rname="")
	Declare a remote property.
StatusCode	setPropertyRepr (const std::string &n, const std::string &r) override
	set the property from name and value string representation
StatusCode	getProperty (Gaudi::Details::PropertyBase *p) const override
	get the property
const std::vector< Gaudi::Details::PropertyBase * > &	getProperties () const override
	get all properties
bool	hasProperty (std::string_view name) const override
	Return true if we have a property with the given name.
Gaudi::Details::PropertyBase *	property (std::string_view name) const
	\fixme property and bindPropertiesTo should be protected
void	bindPropertiesTo (Gaudi::Interfaces::IOptionsSvc &optsSvc)
PropertyHolder &	operator= (const PropertyHolder &)=delete
Public Member Functions inherited from CommonMessagingBase
virtual	~CommonMessagingBase ()=default
	Virtual destructor.
const SmartIF< IMessageSvc > &	msgSvc () const
	The standard message service.
MsgStream &	msgStream () const
	Return an uninitialized MsgStream.
MsgStream &	msgStream (const MSG::Level level) const
	Predefined configurable message stream for the efficient printouts.
MsgStream &	always () const
	shortcut for the method msgStream(MSG::ALWAYS)
MsgStream &	fatal () const
	shortcut for the method msgStream(MSG::FATAL)
MsgStream &	err () const
	shortcut for the method msgStream(MSG::ERROR)
MsgStream &	error () const
	shortcut for the method msgStream(MSG::ERROR)
MsgStream &	warning () const
	shortcut for the method msgStream(MSG::WARNING)
MsgStream &	info () const
	shortcut for the method msgStream(MSG::INFO)
MsgStream &	debug () const
	shortcut for the method msgStream(MSG::DEBUG)
MsgStream &	verbose () const
	shortcut for the method msgStream(MSG::VERBOSE)
MsgStream &	msg () const
	shortcut for the method msgStream(MSG::INFO)
MSG::Level	msgLevel () const
	get the cached level (originally extracted from the embedded MsgStream)
bool	msgLevel (MSG::Level lvl) const
	get the output level from the embedded MsgStream

Protected Types
typedef const std::string &	CSTR
typedef std::map< std::string, std::unique_ptr< Entry > >	ConnectionMap
	Book-keeping entries are owned by the map. The connections they refer to are owned by the clients.
typedef std::map< std::string, std::string >	FidMap

Protected Member Functions
StatusCode	connectDataIO (int typ, IoType rw, CSTR fn, CSTR technology, bool keep, Connection *con)
StatusCode	reconnect (Entry *e)
StatusCode	error (CSTR msg)
	Small routine to issue exceptions.
StatusCode	establishConnection (Connection *con)
Protected Member Functions inherited from Service
std::vector< IAlgTool * > &	tools ()
	~Service () override
int	outputLevel () const
	get the Service's output level
Protected Member Functions inherited from CommonMessaging< implements< IService, IProperty, IStateful > >
MSG::Level	setUpMessaging () const override final
	Set up local caches.
MSG::Level	resetMessaging ()
	Reinitialize internal states.
void	updateMsgStreamOutputLevel (int level)
	Update the output level of the cached MsgStream.

Protected Attributes
Gaudi::Property< std::string >	m_catalogSvcName
Gaudi::Property< bool >	m_useGFAL { this, "UseGFAL", true, "flag for auto gfal data access" }
Gaudi::Property< bool >	m_quarantine
Gaudi::Property< int >	m_ageLimit { this, "AgeLimit", 2, "age limit" }
Gaudi::Property< bool >	m_disablePFNWarning
ConnectionMap	m_connectionMap
	Map with I/O descriptors.
SmartIF< IFileCatalog >	m_catalog
	Reference to file catalog.
FidMap	m_fidMap
	Map of FID to PFN.
SmartIF< IIncidentSvc >	m_incSvc
Protected Attributes inherited from Service
Gaudi::StateMachine::State	m_state = Gaudi::StateMachine::OFFLINE
	Service state.
Gaudi::StateMachine::State	m_targetState = Gaudi::StateMachine::OFFLINE
	Service state.
Gaudi::Property< int >	m_outputLevel { this, "OutputLevel", MSG::NIL, "output level" }
	flag indicating whether ToolHandle tools have been added to m_tools
Gaudi::Property< bool >	m_auditorInitialize { this, "AuditInitialize", false, "trigger auditor on initialize()" }
Gaudi::Property< bool >	m_auditorStart { this, "AuditStart", false, "trigger auditor on start()" }
Gaudi::Property< bool >	m_auditorStop { this, "AuditStop", false, "trigger auditor on stop()" }
Gaudi::Property< bool >	m_auditorFinalize { this, "AuditFinalize", false, "trigger auditor on finalize()" }
Gaudi::Property< bool >	m_auditorReinitialize { this, "AuditReinitialize", false, "trigger auditor on reinitialize()" }
Gaudi::Property< bool >	m_auditorRestart { this, "AuditRestart", false, "trigger auditor on restart()" }
Gaudi::Property< bool >	m_autoRetrieveTools
Gaudi::Property< bool >	m_checkToolDeps
SmartIF< IAuditorSvc >	m_pAuditorSvc
	Auditor Service.

Additional Inherited Members
Public Types inherited from extends< Service, IIODataManager >
using	base_class
	Typedef to this class.
using	extend_interfaces_base
	Typedef to the base of this class.
Public Types inherited from Service
using	Factory = Gaudi::PluginService::Factory<IService*( const std::string&, ISvcLocator* )>
Public Types inherited from PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
using	PropertyHolderImpl
	Typedef used to refer to this class from derived classes, as in.
Public Types inherited from CommonMessaging< implements< IService, IProperty, IStateful > >
using	base_class
Public Types inherited from extend_interfaces< Interfaces... >
using	ext_iids
	take union of the ext_iids of all Interfaces...

Detailed Description

Definition at line 39 of file IODataManager.h.

Member Typedef Documentation

ConnectionMap

typedef std::map<std::string, std::unique_ptr<Entry> > Gaudi::IODataManager::ConnectionMap

protected

Book-keeping entries are owned by the map. The connections they refer to are owned by the clients.

Definition at line 51 of file IODataManager.h.

CSTR

typedef const std::string& Gaudi::IODataManager::CSTR

protected

Definition at line 41 of file IODataManager.h.

FidMap

typedef std::map<std::string, std::string> Gaudi::IODataManager::FidMap

protected

Definition at line 52 of file IODataManager.h.

Member Function Documentation

connectDataIO()

StatusCode IODataManager::connectDataIO ( int typ, IoType rw, CSTR fn, CSTR technology, bool keep, Connection * con )

protected

Definition at line 221 of file IODataManager.cpp.

                                                                  {
  MsgStream   log( msgSvc(), name() );
  std::string dsn = dataset;
  try {
    StatusCode sc = StatusCode::SUCCESS;
    if ( ::strncasecmp( dsn.c_str(), "FID:", 4 ) == 0 )
      dsn = dataset.substr( 4 ), typ = FID;
    else if ( ::strncasecmp( dsn.c_str(), "LFN:", 4 ) == 0 )
      dsn = dataset.substr( 4 ), typ = LFN;
    else if ( ::strncasecmp( dsn.c_str(), "PFN:", 4 ) == 0 )
      dsn = dataset.substr( 4 ), typ = PFN;
    else if ( typ == UNKNOWN )
      return connectDataIO( PFN, rw, dsn, technology, keep_open, connection );
 
    if ( std::find( s_badFiles.begin(), s_badFiles.end(), dsn ) != s_badFiles.end() ) {
      m_incSvc->fireIncident( Incident( dsn, IncidentType::FailInputFile ) );
      return StatusCode( IDataConnection::BAD_DATA_CONNECTION );
    }
    if ( typ == FID ) {
      auto fi = m_connectionMap.find( dsn );
      if ( fi == m_connectionMap.end() ) {
        IFileCatalog::Files files;
        m_catalog->getPFN( dsn, files );
        if ( files.empty() ) {
          if ( !m_useGFAL ) {
            if ( m_quarantine ) s_badFiles.insert( dsn );
            m_incSvc->fireIncident( Incident( dsn, IncidentType::FailInputFile ) );
            error( "connectDataIO> failed to resolve FID:" + dsn ).ignore();
            return StatusCode( IDataConnection::BAD_DATA_CONNECTION );
          } else if ( dsn.length() == 36 && dsn[8] == '-' && dsn[13] == '-' ) {
            std::string gfal_name = "gfal:guid:" + dsn;
            m_fidMap[dsn] = m_fidMap[dataset] = m_fidMap[gfal_name] = dsn;
            sc = connectDataIO( PFN, rw, gfal_name, technology, keep_open, connection );
            if ( sc.isSuccess() ) return sc;
            if ( m_quarantine ) s_badFiles.insert( dsn );
          }
          if ( m_quarantine ) s_badFiles.insert( dsn );
          m_incSvc->fireIncident( Incident( dsn, IncidentType::FailInputFile ) );
          error( "connectDataIO> Failed to resolve FID:" + dsn ).ignore();
          return StatusCode( IDataConnection::BAD_DATA_CONNECTION );
        }
        // keep track of the current return code before we start iterating over
        // replicas
        auto appmgr         = serviceLocator()->as<IProperty>();
        int  origReturnCode = Gaudi::getAppReturnCode( appmgr );
        for ( auto i = files.cbegin(); i != files.cend(); ++i ) {
          std::string pfn = i->first;
          if ( i != files.cbegin() ) {
            log << MSG::WARNING << "Attempt to connect dsn:" << dsn << " with next entry in data federation:" << pfn
                << "." << endmsg;
          }
          sc = connectDataIO( PFN, rw, pfn, technology, keep_open, connection );
          if ( !sc.isSuccess() ) {
            if ( m_quarantine ) s_badFiles.insert( pfn );
            m_incSvc->fireIncident( Incident( pfn, IncidentType::FailInputFile ) );
          } else {
            m_fidMap[dsn] = m_fidMap[dataset] = m_fidMap[pfn] = dsn;
            // we found a working replica, let's reset the return code to the old value
            Gaudi::setAppReturnCode( appmgr, origReturnCode, true ).ignore();
            return sc;
          }
        }
        log << MSG::ERROR << "Failed to open dsn:" << dsn << " Federated file could not be resolved from "
            << files.size() << " entries." << endmsg;
        return StatusCode( IDataConnection::BAD_DATA_CONNECTION );
      }
      return StatusCode::FAILURE;
    }
    std::string fid;
    auto        j = m_fidMap.find( dsn );
    if ( j == m_fidMap.end() ) {
      IFileCatalog::Files files;
      switch ( typ ) {
      case LFN:
        fid = m_catalog->lookupLFN( dsn );
        if ( fid.empty() ) {
          m_incSvc->fireIncident( Incident( dsn, IncidentType::FailInputFile ) );
          log << MSG::ERROR << "Failed to resolve LFN:" << dsn << " Cannot access this dataset." << endmsg;
          return StatusCode( IDataConnection::BAD_DATA_CONNECTION );
        }
        break;
      case PFN:
        fid = m_catalog->lookupPFN( dsn );
        if ( !fid.empty() ) m_catalog->getPFN( fid, files );
        if ( files.empty() ) {
          if ( rw == Connection::CREATE || rw == Connection::RECREATE ) {
            if ( fid.empty() ) fid = m_catalog->createFID();
            m_catalog->registerPFN( fid, dsn, technology );
            log << MSG::INFO << "Referring to dataset " << dsn << " by its file ID:" << fid << endmsg;
          } else {
            fid = dsn;
          }
        }
        break;
      }
    } else {
      fid = j->second;
    }
    if ( typ == PFN ) {
      // Open PFN
      auto fi = m_connectionMap.find( fid );
      if ( fi == m_connectionMap.end() ) {
        connection->setFID( fid );
        connection->setPFN( dsn );
        auto e = std::make_unique<Entry>( technology, keep_open, rw, connection );
        // Here we open the file!
        if ( !reconnect( e.get() ).isSuccess() ) {
          if ( m_quarantine ) s_badFiles.insert( dsn );
          m_incSvc->fireIncident( Incident( dsn, IncidentType::FailInputFile ) );
          error( "connectDataIO> Cannot connect to database: PFN=" + dsn + " FID=" + fid ).ignore();
          return StatusCode( IDataConnection::BAD_DATA_CONNECTION );
        }
        fid = connection->fid();
        if ( m_connectionMap.contains( fid ) ) {
          // The FID is the one stored in the file itself, so a copy or replica of a file that is
          // already connected through another PFN reports the same FID. Track this connection by
          // its PFN: keying it by the FID would drop its entry and alias its dataset name to the
          // other connection, which a later disconnect() of this dataset would then tear down.
          log << MSG::DEBUG << "Dataset " << dsn << " has the same FID " << fid
              << " as an already connected dataset, tracking it by its PFN" << endmsg;
          fid = dsn;
        }
        m_fidMap[dataset] = m_fidMap[dsn] = m_fidMap[fid] = fid;
        if ( !( rw == Connection::CREATE || rw == Connection::RECREATE ) ) {
          if ( !m_disablePFNWarning && strcasecmp( dsn.c_str(), connection->fid().c_str() ) == 0 ) {
            log << MSG::ERROR << "Referring to existing dataset " << dsn << " by its physical name." << endmsg;
            log << "You may not be able to navigate back to the input file"
                << " -- processing continues" << endmsg;
          }
        }
        m_connectionMap.emplace( fid, std::move( e ) );
        return StatusCode::SUCCESS;
      }
      // Here we open the file!
      if ( !reconnect( fi->second.get() ).isSuccess() ) {
        if ( m_quarantine ) s_badFiles.insert( dsn );
        m_incSvc->fireIncident( Incident( dsn, IncidentType::FailInputFile ) );
        error( "connectDataIO> Cannot connect to database: PFN=" + dsn + " FID=" + fid ).ignore();
        return StatusCode( IDataConnection::BAD_DATA_CONNECTION );
      }
      return StatusCode::SUCCESS;
    }
    sc = connectDataIO( FID, rw, fid, technology, keep_open, connection );
    if ( !sc.isSuccess() && m_quarantine ) {
      s_badFiles.insert( fid );
    } else if ( typ == LFN ) {
      m_fidMap[dataset] = fid;
    }
    return sc;
  } catch ( std::exception& e ) {
    error( std::string( "connectDataIO> Caught exception:" ) + e.what() ).ignore();
  } catch ( ... ) { error( std::string( "connectDataIO> Caught unknown exception" ) ).ignore(); }
  m_incSvc->fireIncident( Incident( dsn, IncidentType::FailInputFile ) );
  error( "connectDataIO> The dataset " + dsn + " cannot be opened." ).ignore();
  s_badFiles.insert( dsn );
  return StatusCode( IDataConnection::BAD_DATA_CONNECTION );
}

connection()

IIODataManager::Connection * IODataManager::connection ( const std::string & dsn ) const

override

Retrieve known connection.

Definition at line 195 of file IODataManager.cpp.

                                                                        {
  auto j = m_fidMap.find( dataset );
  if ( j == m_fidMap.end() ) return nullptr;
  auto i = m_connectionMap.find( j->second );
  return ( i != m_connectionMap.end() ) ? i->second->connection : nullptr;
}

connections()

IODataManager::Connections IODataManager::connections ( const IInterface * owner ) const

override

Get connection by owner instance (0=ALL).

Definition at line 80 of file IODataManager.cpp.

                                                                                   {
  Connections conns;
  transform_copy_if(
      std::begin( m_connectionMap ), std::end( m_connectionMap ), std::back_inserter( conns ),
      []( ConnectionMap::const_reference i ) { return i.second->connection; },
      [&]( const IDataConnection* c ) { return !owner || c->owner() == owner; } );
  return conns;
}

connectRead()

StatusCode IODataManager::connectRead ( bool keep_open, Connection * ioDesc )

override

Open data stream in read mode.

Connect data file for writing.

Definition at line 90 of file IODataManager.cpp.

                                                                       {
  if ( !establishConnection( con ) ) {
    return connectDataIO( UNKNOWN, Connection::READ, con->name(), "UNKNOWN", keep_open, con );
  }
  std::string dsn = con ? con->name() : std::string( "Unknown" );
  return error( "Failed to connect to data:" + dsn );
}

connectWrite()

StatusCode IODataManager::connectWrite ( Connection * con, IoType mode = Connection::CREATE, CSTR doctype = "UNKNOWN" )

override

Open data stream in write mode.

Connect data file for reading.

Definition at line 99 of file IODataManager.cpp.

                                                                                   {
  if ( !establishConnection( con ) ) { return connectDataIO( UNKNOWN, mode, con->name(), doctype, true, con ); }
  std::string dsn = con ? con->name() : std::string( "Unknown" );
  return error( "Failed to connect to data:" + dsn );
}

disconnect()

StatusCode IODataManager::disconnect ( Connection * ioDesc )

override

Release data stream.

Definition at line 120 of file IODataManager.cpp.

                                                      {
  if ( con ) {
    std::string dataset = con->name();
    std::string dsn     = dataset;
    StatusCode  sc      = con->disconnect();
    if ( ::strncasecmp( dsn.c_str(), "FID:", 4 ) == 0 )
      dsn = dataset.substr( 4 );
    else if ( ::strncasecmp( dsn.c_str(), "LFN:", 4 ) == 0 )
      dsn = dataset.substr( 4 );
    else if ( ::strncasecmp( dsn.c_str(), "PFN:", 4 ) == 0 )
      dsn = dataset.substr( 4 );
 
    auto j = m_fidMap.find( dataset );
    if ( j != m_fidMap.end() ) {
      std::string fid       = j->second;
      std::string gfal_name = "gfal:guid:" + fid;
      auto        i         = m_connectionMap.find( fid );
      m_fidMap.erase( j );
      if ( ( j = m_fidMap.find( fid ) ) != m_fidMap.end() ) m_fidMap.erase( j );
      if ( ( j = m_fidMap.find( gfal_name ) ) != m_fidMap.end() ) m_fidMap.erase( j );
      if ( i != m_connectionMap.end() && i->second ) {
        IDataConnection* c = i->second->connection;
        if ( ( j = m_fidMap.find( c->pfn() ) ) != m_fidMap.end() ) m_fidMap.erase( j );
        if ( c->isConnected() ) {
          MsgStream log( msgSvc(), name() );
          c->disconnect().ignore( /* AUTOMATICALLY ADDED FOR gaudi/Gaudi!763 */ );
          log << MSG::INFO << "Disconnect from dataset " << dsn << " [" << fid << "]" << endmsg;
        }
        m_connectionMap.erase( i );
      }
    }
    return sc;
  }
  return StatusCode::FAILURE;
}

error()

StatusCode IODataManager::error ( CSTR msg )

protected

Small routine to issue exceptions.

Definition at line 73 of file IODataManager.cpp.

                                          {
  MsgStream log( msgSvc(), name() );
  log << MSG::ERROR << "Error: " << msg << endmsg;
  return StatusCode::FAILURE;
}

establishConnection()

StatusCode IODataManager::establishConnection ( Connection * con )

protected

Definition at line 202 of file IODataManager.cpp.

                                                               {
  if ( !con ) return error( "Severe logic bug: No connection object avalible." );
 
  if ( con->isConnected() ) {
    con->resetAge();
    return StatusCode::SUCCESS;
  }
  auto i = m_connectionMap.find( con->name() );
  if ( i != m_connectionMap.end() ) {
    Connection* c = i->second->connection;
    if ( c != con ) {
      m_incSvc->fireIncident( Incident( con->name(), IncidentType::FailInputFile ) );
      return error( "Severe logic bug: Twice identical connection object for DSN:" + con->name() );
    }
    if ( reconnect( i->second.get() ).isSuccess() ) return StatusCode::SUCCESS;
  }
  return StatusCode::FAILURE;
}

finalize()

StatusCode IODataManager::finalize ( )

override

IService implementation: finalize the service.

Definition at line 67 of file IODataManager.cpp.

                                   {
  m_catalog = nullptr; // release
  return Service::finalize();
}

initialize()

StatusCode IODataManager::initialize ( )

override

IService implementation: initialize the service.

IService implementation: Db event selector override.

Definition at line 44 of file IODataManager.cpp.

                                     {
  // Initialize base class
  StatusCode status = Service::initialize();
  MsgStream  log( msgSvc(), name() );
  if ( !status.isSuccess() ) {
    log << MSG::ERROR << "Error initializing base class Service!" << endmsg;
    return status;
  }
  // Retrieve conversion service handling event iteration
  m_catalog = serviceLocator()->service( m_catalogSvcName );
  if ( !m_catalog ) {
    log << MSG::ERROR << "Unable to localize interface IFileCatalog from service:" << m_catalogSvcName << endmsg;
    return StatusCode::FAILURE;
  }
  m_incSvc = serviceLocator()->service( "IncidentSvc" );
  if ( !m_incSvc ) {
    log << MSG::ERROR << "Error initializing IncidentSvc Service!" << endmsg;
    return status;
  }
  return status;
}

read()

StatusCode IODataManager::read ( Connection * ioDesc, void *const data, size_t len )

override

Read raw byte buffer from input stream.

Definition at line 106 of file IODataManager.cpp.

                                                                              {
  return establishConnection( con ).isSuccess() ? con->read( data, len ) : StatusCode::FAILURE;
}

reconnect()

StatusCode IODataManager::reconnect ( Entry * e )

protected

Definition at line 156 of file IODataManager.cpp.

                                              {
  StatusCode sc = StatusCode::FAILURE;
  if ( e && e->connection ) {
    switch ( e->ioType ) {
    case Connection::READ:
      sc = e->connection->connectRead();
      break;
    case Connection::UPDATE:
    case Connection::CREATE:
    case Connection::RECREATE:
      sc = e->connection->connectWrite( e->ioType );
      break;
    default:
      return StatusCode::FAILURE;
    }
    if ( sc.isSuccess() && e->ioType == Connection::READ ) {
      std::vector<Entry*> to_retire;
      e->connection->resetAge();
      transform_copy_if(
          std::begin( m_connectionMap ), std::end( m_connectionMap ), std::back_inserter( to_retire ),
          []( ConnectionMap::const_reference i ) { return i.second.get(); },
          [&]( Entry* i ) {
            IDataConnection* c = i->connection;
            return e->connection != c && c->isConnected() && !i->keepOpen && c->ageFile() > m_ageLimit;
          } );
      if ( !to_retire.empty() ) {
        MsgStream log( msgSvc(), name() );
        std::for_each( std::begin( to_retire ), std::end( to_retire ), [&]( Entry* j ) {
          IDataConnection* c = j->connection;
          c->disconnect().ignore( /* AUTOMATICALLY ADDED FOR gaudi/Gaudi!763 */ );
          log << MSG::INFO << "Disconnect from dataset " << c->pfn() << " [" << c->fid() << "]" << endmsg;
        } );
      }
    }
  }
  return sc;
}

seek()

long long int IODataManager::seek ( Connection * ioDesc, long long int where, int origin )

override

Seek on the file described by ioDesc. Arguments as in ::seek().

Definition at line 116 of file IODataManager.cpp.

                                                                                    {
  return establishConnection( con ).isSuccess() ? con->seek( where, origin ) : -1;
}

write()

StatusCode IODataManager::write ( Connection * con, const void * data, int len )

override

Write raw byte buffer to output stream.

Definition at line 111 of file IODataManager.cpp.

                                                                            {
  return establishConnection( con ).isSuccess() ? con->write( data, len ) : StatusCode::FAILURE;
}

Member Data Documentation

m_ageLimit

Gaudi::Property<int> Gaudi::IODataManager::m_ageLimit { this, "AgeLimit", 2, "age limit" }

protected

Definition at line 59 of file IODataManager.h.

{ this, "AgeLimit", 2, "age limit" };

m_catalog

SmartIF<IFileCatalog> Gaudi::IODataManager::m_catalog

protected

Reference to file catalog.

Definition at line 67 of file IODataManager.h.

m_catalogSvcName

Gaudi::Property<std::string> Gaudi::IODataManager::m_catalogSvcName

protected

Initial value:

{ this, "CatalogType", "Gaudi::MultiFileCatalog/FileCatalog",
                                                   "name of the file catalog service" }

Definition at line 54 of file IODataManager.h.

                                             { this, "CatalogType", "Gaudi::MultiFileCatalog/FileCatalog",
                                                   "name of the file catalog service" };

m_connectionMap

ConnectionMap Gaudi::IODataManager::m_connectionMap

protected

Map with I/O descriptors.

Definition at line 65 of file IODataManager.h.

m_disablePFNWarning

Gaudi::Property<bool> Gaudi::IODataManager::m_disablePFNWarning

protected

Initial value:

{
        this, "DisablePFNWarning", false,
        "if set to True,  we will not report when a file is opened by its physical name" }

Definition at line 60 of file IODataManager.h.

                                                  {
        this, "DisablePFNWarning", false,
        "if set to True,  we will not report when a file is opened by its physical name" };

m_fidMap

FidMap Gaudi::IODataManager::m_fidMap

protected

Map of FID to PFN.

Definition at line 69 of file IODataManager.h.

m_incSvc

SmartIF<IIncidentSvc> Gaudi::IODataManager::m_incSvc

protected

Definition at line 75 of file IODataManager.h.

m_quarantine

Gaudi::Property<bool> Gaudi::IODataManager::m_quarantine

protected

Initial value:

{ this, "QuarantineFiles", true,
                                        "if unaccessible files should be quarantines in job" }

Definition at line 57 of file IODataManager.h.

                                           { this, "QuarantineFiles", true,
                                        "if unaccessible files should be quarantines in job" };

m_useGFAL

Gaudi::Property<bool> Gaudi::IODataManager::m_useGFAL { this, "UseGFAL", true, "flag for auto gfal data access" }

protected

Definition at line 56 of file IODataManager.h.

{ this, "UseGFAL", true, "flag for auto gfal data access" };

---

The documentation for this class was generated from the following files:

• GaudiUtils/src/component/IODataManager.h
• GaudiUtils/src/component/IODataManager.cpp