#include <src/component/IODataManager.h>

Inheritance diagram for Gaudi::IODataManager:

[legend]

Collaboration diagram for Gaudi::IODataManager:

[legend]

Classes
struct	Entry

Public Member Functions
StatusCode	initialize () override
	IService implementation: initialize the service. More...

StatusCode	finalize () override
	IService implementation: finalize the service. More...

StatusCode	connectRead (bool keep_open, Connection *ioDesc) override
	Open data stream in read mode. More...

StatusCode	connectWrite (Connection *con, IoType mode=Connection::CREATE, CSTR doctype="UNKNOWN") override
	Open data stream in write mode. More...

StatusCode	disconnect (Connection *ioDesc) override
	Release data stream. More...

Connection *	connection (const std::string &dsn) const override
	Retrieve known connection. More...

Connections	connections (const IInterface *owner) const override
	Get connection by owner instance (0=ALL) More...

StatusCode	read (Connection ioDesc, void const data, size_t len) override
	Read raw byte buffer from input stream. More...

StatusCode	write (Connection con, const void data, int len) override
	Write raw byte buffer to output stream. More...

long long int	seek (Connection *ioDesc, long long int where, int origin) override
	Seek on the file described by ioDesc. Arguments as in ::seek() More...

Public Member Functions inherited from extends< Service, IIODataManager >
void *	i_cast (const InterfaceID &tid) const override
	Implementation of IInterface::i_cast. More...

StatusCode	queryInterface (const InterfaceID &ti, void **pp) override
	Implementation of IInterface::queryInterface. More...

std::vector< std::string >	getInterfaceNames () const override
	Implementation of IInterface::getInterfaceNames. More...

Public Member Functions inherited from Service
const std::string &	name () const override
	Retrieve name of the service. More...

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. More...

StatusCode	sysStart () override
	Initialize Service. More...

StatusCode	sysStop () override
	Initialize Service. More...

StatusCode	sysFinalize () override
	Finalize Service. More...

StatusCode	sysReinitialize () override
	Re-initialize the Service. More...

StatusCode	sysRestart () override
	Re-initialize the Service. More...

	Service (std::string name, ISvcLocator *svcloc)
	Standard Constructor. More...

SmartIF< ISvcLocator > &	serviceLocator () const override
	Retrieve pointer to service locator. More...

StatusCode	setProperties ()
	Method for setting declared properties to the values specified for the job. More...

template<class T >
StatusCode	service (const std::string &name, const T *&psvc, bool createIf=true) const
	Access a service by name, creating it if it doesn't already exist. More...

template<class T >
StatusCode	service (const std::string &name, T *&psvc, bool createIf=true) const

template<typename IFace = IService>
SmartIF< IFace >	service (const std::string &name, bool createIf=true) const

template<class T >
StatusCode	service (const std::string &svcType, const std::string &svcName, T *&psvc) const
	Access a service by name and type, creating it if it doesn't already exist. More...

template<class T >
StatusCode	declareTool (ToolHandle< T > &handle, std::string toolTypeAndName, bool createIf=true)
	Declare used tool. More...

SmartIF< IAuditorSvc > &	auditorSvc () const
	The standard auditor service.May not be invoked before sysInitialize() has been invoked. More...

Public Member Functions inherited from PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
	PropertyHolder ()=default

Gaudi::Details::PropertyBase &	declareProperty (Gaudi::Details::PropertyBase &prop)
	Declare a property. More...

Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, TYPE &value, const std::string &doc="none")
	Helper to wrap a regular data member and use it as a regular property. More...

Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, Gaudi::Property< TYPE, VERIFIER, HANDLERS > &prop, const std::string &doc="none")
	Declare a PropertyBase instance setting name and documentation. More...

Gaudi::Details::PropertyBase *	declareRemoteProperty (const std::string &name, IProperty *rsvc, const std::string &rname="")
	Declare a remote property. More...

StatusCode	setProperty (const Gaudi::Details::PropertyBase &p) override
	set the property form another property More...

StatusCode	setProperty (const std::string &s) override
	set the property from the formatted string More...

StatusCode	setProperty (const std::string &n, const std::string &v) override
	set the property from name and the value More...

StatusCode	setProperty (const std::string &name, const TYPE &value)
	set the property form the value More...

StatusCode	getProperty (Gaudi::Details::PropertyBase *p) const override
	get the property More...

const Gaudi::Details::PropertyBase &	getProperty (const std::string &name) const override
	get the property by name More...

StatusCode	getProperty (const std::string &n, std::string &v) const override
	convert the property to the string More...

const std::vector< Gaudi::Details::PropertyBase * > &	getProperties () const override
	get all properties More...

bool	hasProperty (const std::string &name) const override
	Return true if we have a property with the given name. More...

	PropertyHolder (const PropertyHolder &)=delete

PropertyHolder &	operator= (const PropertyHolder &)=delete

Public Member Functions inherited from CommonMessaging< implements< IService, IProperty, IStateful > >
MSG::Level	msgLevel () const
	get the cached level (originally extracted from the embedded MsgStream) More...

bool	msgLevel (MSG::Level lvl) const
	get the output level from the embedded MsgStream More...

MSG::Level	outputLevel () const
	Backward compatibility function for getting the output level. More...

Public Member Functions inherited from CommonMessagingBase
virtual	~CommonMessagingBase ()=default
	Virtual destructor. More...

const SmartIF< IMessageSvc > &	msgSvc () const
	The standard message service. More...

MsgStream &	msgStream () const
	Return an uninitialized MsgStream. More...

MsgStream &	msgStream (const MSG::Level level) const
	Predefined configurable message stream for the efficient printouts. More...

MsgStream &	always () const
	shortcut for the method msgStream(MSG::ALWAYS) More...

MsgStream &	fatal () const
	shortcut for the method msgStream(MSG::FATAL) More...

MsgStream &	err () const
	shortcut for the method msgStream(MSG::ERROR) More...

MsgStream &	error () const
	shortcut for the method msgStream(MSG::ERROR) More...

MsgStream &	warning () const
	shortcut for the method msgStream(MSG::WARNING) More...

MsgStream &	info () const
	shortcut for the method msgStream(MSG::INFO) More...

MsgStream &	debug () const
	shortcut for the method msgStream(MSG::DEBUG) More...

MsgStream &	verbose () const
	shortcut for the method msgStream(MSG::VERBOSE) More...

MsgStream &	msg () const
	shortcut for the method msgStream(MSG::INFO) More...

Protected Types
typedef const std::string &	CSTR

typedef std::map< std::string, Entry * >	ConnectionMap

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, bool rethrow)
	Small routine to issue exceptions. More...

StatusCode	establishConnection (Connection *con)

Protected Member Functions inherited from Service
	~Service () override
	Standard Destructor. More...

int	outputLevel () const
	get the `Service's` output level More...

Protected Member Functions inherited from PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
Gaudi::Details::PropertyBase *	property (const std::string &name) const

Protected Member Functions inherited from CommonMessaging< implements< IService, IProperty, IStateful > >
MSG::Level	setUpMessaging () const
	Set up local caches. More...

MSG::Level	resetMessaging ()
	Reinitialize internal states. More...

void	updateMsgStreamOutputLevel (int level)
	Update the output level of the cached MsgStream. More...

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. More...

SmartIF< IFileCatalog >	m_catalog
	Reference to file catalog. More...

FidMap	m_fidMap
	Map of FID to PFN. More...

SmartIF< IIncidentSvc >	m_incSvc

Protected Attributes inherited from Service
Gaudi::StateMachine::State	m_state = Gaudi::StateMachine::OFFLINE
	Service state. More...

Gaudi::StateMachine::State	m_targetState = Gaudi::StateMachine::OFFLINE
	Service state. More...

Gaudi::Property< int >	m_outputLevel {this, "OutputLevel", MSG::NIL, "output level"}

Gaudi::Property< bool >	m_auditInit {this, "AuditServices", false, " unused"}

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()"}

SmartIF< IAuditorSvc >	m_pAuditorSvc
	Auditor Service. More...

Additional Inherited Members
Public Types inherited from extends< Service, IIODataManager >
using	base_class = extends
	Typedef to this class. More...

using	extend_interfaces_base = extend_interfaces< Interfaces... >
	Typedef to the base of this class. More...

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 = PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
	Typedef used to refer to this class from derived classes, as in. More...

Public Types inherited from CommonMessaging< implements< IService, IProperty, IStateful > >
using	base_class = CommonMessaging

Public Types inherited from extend_interfaces< Interfaces... >
using	ext_iids = typename Gaudi::interface_list_cat< typename Interfaces::ext_iids... >::type
	take union of the ext_iids of all Interfaces... More...

Detailed Description

Definition at line 29 of file IODataManager.h.

Member Typedef Documentation

◆ ConnectionMap

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

protected

Definition at line 40 of file IODataManager.h.

◆ CSTR

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

protected

Definition at line 31 of file IODataManager.h.

◆ FidMap

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

protected

Definition at line 41 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 219 of file IODataManager.cpp.

                                                                   {
   MsgStream   log( msgSvc(), name() );
   std::string dsn = dataset;
   try {
     StatusCode sc( StatusCode::SUCCESS, true );
     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, false ).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, false ).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 = new Entry( technology, keep_open, rw, connection );
         // Here we open the file!
         if ( !reconnect( e ).isSuccess() ) {
           delete e;
           if ( m_quarantine ) s_badFiles.insert( dsn );
           m_incSvc->fireIncident( Incident( dsn, IncidentType::FailInputFile ) );
           error( "connectDataIO> Cannot connect to database: PFN=" + dsn + " FID=" + fid, false ).ignore();
           return StatusCode( IDataConnection::BAD_DATA_CONNECTION );
         }
         fid               = connection->fid();
         m_fidMap[dataset] = m_fidMap[dsn] = m_fidMap[fid] = fid;
         if ( !( rw == Connection::CREATE || rw == Connection::RECREATE ) ) {
           if ( !m_disablePFNWarning && strcasecmp( dsn.c_str(), 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, e ); // note: only if we disconnect does e get deleted??
         return StatusCode::SUCCESS;
       }
       // Here we open the file!
       if ( !reconnect( ( *fi ).second ).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, false ).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(), false ).ignore();
   } catch ( ... ) { error( std::string( "connectDataIO> Caught unknown exception" ), false ).ignore(); }
   m_incSvc->fireIncident( Incident( dsn, IncidentType::FailInputFile ) );
   error( "connectDataIO> The dataset " + dsn + " cannot be opened.", false ).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 193 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 79 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 89 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, false );
 }

◆ 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 98 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, false );
 }

◆ disconnect()

StatusCode IODataManager::disconnect ( Connection * ioDesc )

override

Release data stream.

Definition at line 119 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();
           log << MSG::INFO << "Disconnect from dataset " << dsn << " [" << fid << "]" << endmsg;
         }
         delete i->second;
         m_connectionMap.erase( i );
       }
     }
     return sc;
   }
   return StatusCode::FAILURE;
 }

◆ error()

StatusCode IODataManager::error	(	CSTR	msg,
		bool	rethrow
	)

protected

Small routine to issue exceptions.

Definition at line 71 of file IODataManager.cpp.

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

◆ establishConnection()

StatusCode IODataManager::establishConnection ( Connection * con )

protected

Definition at line 200 of file IODataManager.cpp.

                                                                {
   if ( !con ) return error( "Severe logic bug: No connection object avalible.", true );
 
   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(), true );
     }
     if ( reconnect( i->second ).isSuccess() ) return StatusCode::SUCCESS;
   }
   return StatusCode::FAILURE;
 }

◆ finalize()

StatusCode IODataManager::finalize ( )

override

IService implementation: finalize the service.

Definition at line 65 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 42 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 105 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 ),
                          select2nd, [&]( 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();
           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 115 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 110 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 48 of file IODataManager.h.

◆ m_catalog

SmartIF<IFileCatalog> Gaudi::IODataManager::m_catalog

protected

Reference to file catalog.

Definition at line 56 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 43 of file IODataManager.h.

◆ m_connectionMap

ConnectionMap Gaudi::IODataManager::m_connectionMap

protected

Map with I/O descriptors.

Definition at line 54 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 49 of file IODataManager.h.

◆ m_fidMap

FidMap Gaudi::IODataManager::m_fidMap

protected

Map of FID to PFN.

Definition at line 58 of file IODataManager.h.

◆ m_incSvc

SmartIF<IIncidentSvc> Gaudi::IODataManager::m_incSvc

protected

Definition at line 64 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 46 of file IODataManager.h.

◆ m_useGFAL

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

protected

Definition at line 45 of file IODataManager.h.

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

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

Classes

Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ ConnectionMap

◆ CSTR

◆ FidMap

Member Function Documentation

◆ connectDataIO()

◆ connection()

◆ connections()

◆ connectRead()

◆ connectWrite()

◆ disconnect()

◆ error()

◆ establishConnection()

◆ finalize()

◆ initialize()

◆ read()

◆ reconnect()

◆ seek()

◆ write()

Member Data Documentation

◆ m_ageLimit

◆ m_catalog

◆ m_catalogSvcName

◆ m_connectionMap

◆ m_disablePFNWarning

◆ m_fidMap

◆ m_incSvc

◆ m_quarantine

◆ m_useGFAL