Gaudi::IODataManager Class Reference

#include <src/component/IODataManager.h>

Inheritance diagram for Gaudi::IODataManager:

Collaboration diagram for Gaudi::IODataManager:

Classes
struct	Entry

Public Member Functions
	IODataManager (CSTR nam, ISvcLocator *loc)
	the incident service More...
virtual	~IODataManager ()
	Standard destructor. More...
virtual StatusCode	initialize ()
	IService implementation: initialize the service. More...
virtual StatusCode	finalize ()
	IService implementation: finalize the service. More...
virtual StatusCode	connectRead (bool keep_open, Connection *ioDesc)
	Open data stream in read mode. More...
virtual StatusCode	connectWrite (Connection *con, IoType mode=Connection::CREATE, CSTR doctype="UNKNOWN")
	Open data stream in write mode. More...
virtual StatusCode	disconnect (Connection *ioDesc)
	Release data stream. More...
virtual Connection *	connection (const std::string &dsn) const
	Retrieve known connection. More...
virtual Connections	connections (const IInterface *owner) const
	Get connection by owner instance (0=ALL) More...
virtual StatusCode	read (Connection *ioDesc, void *const data, size_t len)
	Read raw byte buffer from input stream. More...
virtual StatusCode	write (Connection *con, const void *data, int len)
	Write raw byte buffer to output stream. More...
virtual long long int	seek (Connection *ioDesc, long long int where, int origin)
	Seek on the file described by ioDesc. Arguments as in ::seek() More...
Public Member Functions inherited from extends1< Service, IIODataManager >
	extends1 (A1 a1, A2 a2, A3 a3)
	Templated constructor with 3 arguments. More...
	extends1 (A1 a1, A2 a2)
	Templated constructor with 2 arguments. More...
	extends1 (A1 a1)
	Templated constructor with 1 argument. More...
	extends1 ()
	Default constructor. More...
virtual void *	i_cast (const InterfaceID &tid) const
	Implementation of IInterface::i_cast. More...
virtual StatusCode	queryInterface (const InterfaceID &ti, void **pp)
	Implementation of IInterface::queryInterface. More...
virtual std::vector< std::string >	getInterfaceNames () const
	Implementation of IInterface::getInterfaceNames. More...
virtual	~extends1 ()
	Virtual destructor. More...
Public Member Functions inherited from Service
virtual unsigned long	release ()
	Release Interface instance. More...
virtual const std::string &	name () const
	Retrieve name of the service. More...
virtual StatusCode	configure ()
	Configuration (from OFFLINE to CONFIGURED). More...
virtual StatusCode	start ()
	Start (from INITIALIZED to RUNNING). More...
virtual StatusCode	stop ()
	Stop (from RUNNING to INITIALIZED). More...
virtual StatusCode	terminate ()
	Initialization (from CONFIGURED to OFFLINE). More...
virtual Gaudi::StateMachine::State	FSMState () const
	Get the current state. More...
virtual Gaudi::StateMachine::State	targetFSMState () const
	When we are in the middle of a transition, get the state where the transition is leading us. More...
virtual StatusCode	reinitialize ()
	Initialization (from INITIALIZED or RUNNING to INITIALIZED, via CONFIGURED). More...
virtual StatusCode	restart ()
	Initialization (from RUNNING to RUNNING, via INITIALIZED). More...
virtual StatusCode	sysInitialize ()
	Initialize Service. More...
virtual StatusCode	sysStart ()
	Initialize Service. More...
virtual StatusCode	sysStop ()
	Initialize Service. More...
virtual StatusCode	sysFinalize ()
	Finalize Service. More...
virtual StatusCode	sysReinitialize ()
	Re-initialize the Service. More...
virtual StatusCode	sysRestart ()
	Re-initialize the Service. More...
virtual StatusCode	setProperty (const Property &p)
	Set the property by property. More...
virtual StatusCode	setProperty (const std::string &s)
	Set the property by string. More...
virtual StatusCode	setProperty (const std::string &n, const std::string &v)
	Set the property by std::string. More...
virtual StatusCode	getProperty (Property *p) const
	Get the property by property. More...
virtual const Property &	getProperty (const std::string &name) const
	Get the property by name. More...
virtual StatusCode	getProperty (const std::string &n, std::string &v) const
	Get the property by std::string. More...
virtual const std::vector < Property * > &	getProperties () const
	Get list of properties. More...
template<class TYPE >
StatusCode	setProperty (const std::string &name, const TYPE &value)
	set the property form the value More...
	Service (const std::string &name, ISvcLocator *svcloc)
	Standard Constructor. More...
SmartIF< ISvcLocator > &	serviceLocator () const
	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<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 >
Property *	declareProperty (const std::string &name, T &property, const std::string &doc="none") const
	Declare the named property. More...
Property *	declareRemoteProperty (const std::string &name, IProperty *rsvc, const std::string &rname="") const
	Declare remote named properties. More...
SmartIF< IAuditorSvc > &	auditorSvc () const
	The standard auditor service.May not be invoked before sysInitialize() has been invoked. More...
Public Member Functions inherited from CommonMessaging< implements3< IService, IProperty, IStateful > >
	CommonMessaging (const A1 &a1, const A2 &a2, const A3 &a3)
	Templated constructor with 3 arguments. More...
	CommonMessaging (const A1 &a1, const A2 &a2)
	Templated constructor with 2 arguments. More...
	CommonMessaging (const A1 &a1)
	Templated constructor with 1 argument. More...
	CommonMessaging ()
	Default constructor. More...
virtual	~CommonMessaging ()
	Virtual destructor. More...
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...
MSG::Level	msgLevel () const
	get the output level from the embedded MsgStream More...
bool	msgLevel (MSG::Level lvl) const
	get the output level from the embedded MsgStream More...
Public Member Functions inherited from extend_interfaces3< IService, IProperty, IStateful >
virtual	~extend_interfaces3 ()
	Virtual destructor. More...
Public Member Functions inherited from IService
	DeclareInterfaceID (IService, 3, 0)
	InterfaceID. More...
virtual	~IService ()
	virtual destructor More...
Public Member Functions inherited from INamedInterface
	DeclareInterfaceID (INamedInterface, 1, 0)
	InterfaceID. More...
virtual	~INamedInterface ()
	Virtual destructor (always needed for abstract classes). More...
Public Member Functions inherited from IInterface
virtual unsigned long	addRef ()=0
	Increment the reference count of Interface instance. More...
virtual unsigned long	refCount () const =0
	Current reference count. More...
virtual	~IInterface ()
	Virtual destructor. More...
Public Member Functions inherited from IProperty
	DeclareInterfaceID (IProperty, 2, 0)
	InterfaceID. More...
Public Member Functions inherited from IStateful
	DeclareInterfaceID (IStateful, 1, 0)
	InterfaceID. More...
virtual	~IStateful ()
Public Member Functions inherited from extend_interfaces1< IIODataManager >
virtual	~extend_interfaces1 ()
	Virtual destructor. 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
virtual	~Service ()
	Standard Destructor. More...
int	outputLevel () const
	get the Service's output level More...
Protected Member Functions inherited from CommonMessaging< implements3< IService, IProperty, IStateful > >
void	updateMsgStreamOutputLevel (int level)
	Update the output level of the cached MsgStream. More...

Protected Attributes
std::string	m_catalogSvcName
	Property: Name of the file catalog service. More...
int	m_ageLimit
	Property: Age limit. More...
bool	m_useGFAL
	Property: Flag for auto gfal data access. More...
bool	m_quarantine
	Property: Flag if unaccessible files should be quarantines in job. More...
bool	m_disablePFNWarning
	Property DisablePFNWarning: if set to True will not report when a file is opened by it's physical name. More...
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
IntegerProperty	m_outputLevel
	Service output level. More...
Gaudi::StateMachine::State	m_state
	Service state. More...
Gaudi::StateMachine::State	m_targetState
	Service state. More...
Protected Attributes inherited from CommonMessaging< implements3< IService, IProperty, IStateful > >
SmartIF< IMessageSvc >	m_msgsvc
	Pointer to the message service;. More...
std::auto_ptr< MsgStream >	m_msgStream
	The predefined message stream. More...
bool	m_streamWithService
	Flag to create a new MsgStream if it was created without the message service. More...

Additional Inherited Members
Public Types inherited from extends1< Service, IIODataManager >
typedef extends1	base_class
	Typedef to this class. More...
typedef extend_interfaces1 < IIODataManager >	extend_interfaces_base
	Typedef to the base of this class. More...
typedef extend_interfaces_base::ext_iids	interfaces
	MPL set of all the implemented interfaces. More...
Public Types inherited from Service
typedef Gaudi::PluginService::Factory < IService *, const std::string &, ISvcLocator * >	Factory
Public Types inherited from CommonMessaging< implements3< IService, IProperty, IStateful > >
typedef CommonMessaging	base_class
Public Types inherited from implements3< IService, IProperty, IStateful >
typedef implements3	base_class
	Typedef to this class. More...
typedef extend_interfaces3 < IService, IProperty, IStateful >	extend_interfaces_base
	Typedef to the base of this class. More...
typedef extend_interfaces_base::ext_iids	interfaces
	MPL set of all the implemented interfaces. More...
Public Types inherited from extend_interfaces3< IService, IProperty, IStateful >
typedef mpl::fold< typename IService::iid::iids::type, typename mpl::fold< typename IProperty::iid::iids::type, typename IStateful::iid::iids::type, mpl::insert< mpl::_1, mpl::_2 > >::type, mpl::insert< mpl::_1, mpl::_2 > >::type	ext_iids
	MPL set of interfaces extended by this one. More...
Public Types inherited from IInterface
enum	Status { SUCCESS = 1, NO_INTERFACE, VERSMISMATCH, LAST_ERROR }
	Return status. More...
typedef Gaudi::InterfaceId < IInterface, 0, 0 >	iid
	Interface ID. More...
typedef mpl::set1< iid >	ext_iids
	Extra interfaces. More...
Public Types inherited from extend_interfaces1< IIODataManager >
typedef IIODataManager::iid::iids::type	ext_iids
	MPL set of interfaces extended by this one. More...
Static Public Member Functions inherited from IInterface
static const InterfaceID &	interfaceID ()
	Return an instance of InterfaceID identifying the interface. More...

Detailed Description

Definition at line 29 of file IODataManager.h.

Member Typedef Documentation

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

protected

Definition at line 41 of file IODataManager.h.

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

protected

Definition at line 31 of file IODataManager.h.

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

protected

Definition at line 42 of file IODataManager.h.

Constructor & Destructor Documentation

IODataManager::IODataManager	(	CSTR	nam,
		ISvcLocator *	loc
	)

the incident service

Initializing constructor

Parameters

[in]	nam	Name of the service
[in]	loc	Pointer to the service locator object

Returns

Initialized reference to service object

Definition at line 22 of file IODataManager.cpp.

  : base_class(nam, svcloc), m_ageLimit(2)
{
  declareProperty("CatalogType",      m_catalogSvcName="Gaudi::MultiFileCatalog/FileCatalog");
  declareProperty("UseGFAL",          m_useGFAL = true);
  declareProperty("QuarantineFiles",  m_quarantine = true);
  declareProperty("AgeLimit",         m_ageLimit = 2);
  declareProperty("DisablePFNWarning", m_disablePFNWarning = false,
                  "if set to True, we will not report when a file "
                  "is opened by it's physical name");
}

virtual Gaudi::IODataManager::~IODataManager ( )

inlinevirtual

Standard destructor.

Definition at line 79 of file IODataManager.h.

{}

Member Function Documentation

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

protected

Definition at line 238 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 IDataConnection::BAD_DATA_CONNECTION;
    }
    if ( typ == FID )  {
      ConnectionMap::iterator fi = m_connectionMap.find(dsn);
      if ( fi == m_connectionMap.end() )  {
        IFileCatalog::Files files;
        m_catalog->getPFN(dsn,files);
        if ( files.size() == 0 ) {
          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 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 IDataConnection::BAD_DATA_CONNECTION;
        }
        // keep track of the current return code before we start iterating over
        // replicas
        SmartIF<IProperty> appmgr(serviceLocator());
        int origReturnCode = Gaudi::getAppReturnCode(appmgr);
    for(IFileCatalog::Files::const_iterator i=files.begin(); i!=files.end(); ++i)  {
      std::string pfn = (*i).first;
      if ( i != files.begin() )  {
        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 IDataConnection::BAD_DATA_CONNECTION;
      }
      return S_ERROR;
    }
    std::string fid;
    FidMap::iterator 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 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
      ConnectionMap::iterator fi = m_connectionMap.find(fid);
      if ( fi == m_connectionMap.end() )  {
        connection->setFID(fid);
        connection->setPFN(dsn);
        Entry* 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 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.insert(std::make_pair(fid,e));
        return S_OK;
      }
      // 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 IDataConnection::BAD_DATA_CONNECTION;
      }
      return S_OK;
    }
    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 IDataConnection::BAD_DATA_CONNECTION;
}

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

virtual

Retrieve known connection.

Definition at line 206 of file IODataManager.cpp.

                                                                       {
  FidMap::const_iterator j = m_fidMap.find(dataset);
  if ( j != m_fidMap.end() )  {
    ConnectionMap::const_iterator i=m_connectionMap.find((*j).second);
    return (i != m_connectionMap.end()) ? (*i).second->connection : 0;
  }
  return 0;
}

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

virtual

Get connection by owner instance (0=ALL)

Definition at line 77 of file IODataManager.cpp.

                                                                                  {
  Connections conns;
  for(ConnectionMap::const_iterator i=m_connectionMap.begin(); i!=m_connectionMap.end();++i) {
    IDataConnection* c = (*i).second->connection;
    if ( 0 == owner || c->owner() == owner )
      conns.push_back(c);
  }
  return conns;
}

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

virtual

Open data stream in read mode.

Connect data file for writing.

Definition at line 88 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);
}

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

virtual

Open data stream in write mode.

Connect data file for reading.

Definition at line 97 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);
}

StatusCode IODataManager::disconnect ( Connection *  ioDesc )

virtual

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);

    FidMap::iterator j = m_fidMap.find(dataset);
    if ( j != m_fidMap.end() )  {
      std::string fid = (*j).second;
      std::string gfal_name = "gfal:guid:" + fid;
      ConnectionMap::iterator 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() ) {
        if ( (*i).second )  {
          IDataConnection* c = (*i).second->connection;
          std::string pfn = c->pfn();
          if ( (j=m_fidMap.find(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 S_ERROR;
}

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

protected

Small routine to issue exceptions.

Definition at line 67 of file IODataManager.cpp.

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

StatusCode IODataManager::establishConnection ( Connection *  con )

protected

Definition at line 215 of file IODataManager.cpp.

                                                              {
  if ( con )  {
    if ( !con->isConnected() )  {
      ConnectionMap::const_iterator 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 S_OK;
        }
      }
      return S_ERROR;
    }
    con->resetAge();
    return S_OK;
  }
  return error("Severe logic bug: No connection object avalible.",true);
}

StatusCode IODataManager::finalize ( )

virtual

IService implementation: finalize the service.

Reimplemented from Service.

Definition at line 61 of file IODataManager.cpp.

                                    {
  m_catalog = 0; // release
  return Service::finalize();
}

StatusCode IODataManager::initialize ( )

virtual

IService implementation: initialize the service.

IService implementation: Db event selector override.

Reimplemented from Service.

Definition at line 35 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.isValid() ) {
    log << MSG::ERROR
        << "Unable to localize interface IFileCatalog from service:"
        << m_catalogSvcName << endmsg;
    return StatusCode::FAILURE;
  }
  m_incSvc = serviceLocator()->service("IncidentSvc");
  if( !m_incSvc.isValid() ) {
    log << MSG::ERROR << "Error initializing IncidentSvc Service!" << endmsg;
    return status;
  }

  return status;
}

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

virtual

Read raw byte buffer from input stream.

Definition at line 106 of file IODataManager.cpp.

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

StatusCode IODataManager::reconnect ( Entry *  e )

protected

Definition at line 164 of file IODataManager.cpp.

                                             {
  StatusCode sc = S_ERROR;
  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 S_ERROR;
    }
    if ( sc.isSuccess() && e->ioType == Connection::READ )  {
      std::vector<Entry*> to_retire;
      e->connection->resetAge();
      for(ConnectionMap::iterator i=m_connectionMap.begin(); i!=m_connectionMap.end();++i) {
        IDataConnection* c = (*i).second->connection;
        if ( e->connection != c && c->isConnected() && !(*i).second->keepOpen )  {
          c->ageFile();
          if ( c->age() > m_ageLimit ) {
            to_retire.push_back((*i).second);
          }
        }
      }
      if ( !to_retire.empty() )  {
        MsgStream log(msgSvc(),name());
        for(std::vector<Entry*>::iterator j=to_retire.begin(); j!=to_retire.end();++j)  {
          IDataConnection* c = (*j)->connection;
          c->disconnect();
          log << MSG::INFO << "Disconnect from dataset " << c->pfn()
              << " [" << c->fid() << "]" << endmsg;
        }
      }
    }
  }
  return sc;
}

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

virtual

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;
}

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

virtual

Write raw byte buffer to output stream.

Definition at line 111 of file IODataManager.cpp.

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

Member Data Documentation

int Gaudi::IODataManager::m_ageLimit

protected

Property: Age limit.

Definition at line 47 of file IODataManager.h.

SmartIF<IFileCatalog> Gaudi::IODataManager::m_catalog

protected

Reference to file catalog.

Definition at line 59 of file IODataManager.h.

std::string Gaudi::IODataManager::m_catalogSvcName

protected

Property: Name of the file catalog service.

Definition at line 45 of file IODataManager.h.

ConnectionMap Gaudi::IODataManager::m_connectionMap

protected

Map with I/O descriptors.

Definition at line 57 of file IODataManager.h.

bool Gaudi::IODataManager::m_disablePFNWarning

protected

Property DisablePFNWarning: if set to True will not report when a file is opened by it's physical name.

Definition at line 54 of file IODataManager.h.

FidMap Gaudi::IODataManager::m_fidMap

protected

Map of FID to PFN.

Definition at line 61 of file IODataManager.h.

SmartIF<IIncidentSvc> Gaudi::IODataManager::m_incSvc

protected

Definition at line 67 of file IODataManager.h.

bool Gaudi::IODataManager::m_quarantine

protected

Property: Flag if unaccessible files should be quarantines in job.

Definition at line 51 of file IODataManager.h.

bool Gaudi::IODataManager::m_useGFAL

protected

Property: Flag for auto gfal data access.

Definition at line 49 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