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ROOT
6.07/01
Reference Guide
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Definition at line 41 of file TAlienFile.h.
Public Member Functions | |
TAlienFile () | |
TAlienFile (const char *purl, Option_t *option="", const char *ftitle="", Int_t compress=1, Bool_t parallelopen=kFALSE, const char *lurl=0, const char *authz=0) | |
virtual | ~TAlienFile () |
TAlienFile file dtor. More... | |
virtual void | Close (const Option_t *opt="") |
Close the file. More... | |
const char * | GetGUID () const |
Double_t | GetElapsed () const |
Int_t | GetImage () const |
const char * | GetLfn () const |
Int_t | GetNreplicas () const |
Long64_t | GetOpenTime () const |
const char * | GetPfn () const |
const char * | GetSE () const |
const char * | GetUrl () const |
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TXNetFile () | |
TXNetFile (const char *url, Option_t *option="", const char *fTitle="", Int_t compress=1, Int_t netopt=0, Bool_t parallelopen=kFALSE, const char *logicalurl=0) | |
Create a TXNetFile object. More... | |
virtual | ~TXNetFile () |
Destructor. More... | |
virtual void | ResetCache () |
Reset the cache. More... | |
virtual void | Flush () |
Flushes un-written data. More... | |
virtual Int_t | GetBytesToPrefetch () const |
Max number of bytes to prefetch. More... | |
virtual Bool_t | ReadBufferAsync (Long64_t offs, Int_t len) |
Implementation dealing with the xrootd server. More... | |
virtual TFile::EAsyncOpenStatus | GetAsyncOpenStatus () |
Return status of asynchronous request. More... | |
virtual Bool_t | IsOpen () const |
Return kTRUE if the file is open, kFALSE otherwise. More... | |
virtual void | Print (Option_t *option="") const |
Print the local statistics. More... | |
virtual Bool_t | ReadBuffer (char *buf, Int_t len) |
Override TNetFile::ReadBuffer to deal with the xrootd server. More... | |
virtual Bool_t | ReadBuffer (char *buf, Long64_t pos, Int_t len) |
Pass through to TNetFile implementation which will call back eventually to our ReadBuffer with 2 arguments to deal with xrootd errors. More... | |
virtual Bool_t | ReadBuffers (char *buf, Long64_t *pos, Int_t *len, Int_t nbuf) |
Read the nbuf blocks described in arrays pos and len, where pos[i] is the seek position of block i of length len[i]. More... | |
virtual Int_t | ReOpen (const Option_t *mode) |
Re-open the file (see TNetFile::ReOpen() or TFile::ReOpen() for more details). More... | |
virtual Bool_t | WriteBuffer (const char *buffer, Int_t BufferLength) |
Override TNetFile::WriteBuffer to deal with the xrootd server. More... | |
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TNetFile (const char *url, Option_t *option="", const char *ftitle="", Int_t compress=1, Int_t netopt=0) | |
TNetFile () | |
virtual | ~TNetFile () |
TNetFile dtor. Send close message and close socket. More... | |
void | Close (Option_t *option="") |
Close remote file. More... | |
Int_t | GetErrorCode () const |
Bool_t | Matches (const char *url) |
Return kTRUE if 'url' matches the coordinates of this file. More... | |
Int_t | ReOpen (Option_t *mode) |
Reopen a file with a different access mode, like from READ to UPDATE or from NEW, CREATE, RECREATE, UPDATE to READ. More... | |
void | Seek (Long64_t offset, ERelativeTo pos=kBeg) |
Set position from where to start reading. More... | |
const TUrl * | GetEndpointUrl () const |
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TFile () | |
File default Constructor. More... | |
TFile (const char *fname, Option_t *option="", const char *ftitle="", Int_t compress=1) | |
Opens or creates a local ROOT file. More... | |
virtual | ~TFile () |
File destructor. More... | |
virtual void | Copy (TObject &) const |
Copy this to obj. More... | |
virtual Bool_t | Cp (const char *dst, Bool_t progressbar=kTRUE, UInt_t buffersize=1000000) |
Allows to copy this file to the dst URL. More... | |
virtual TKey * | CreateKey (TDirectory *mother, const TObject *obj, const char *name, Int_t bufsize) |
Creates key for object and converts data to buffer. More... | |
virtual TKey * | CreateKey (TDirectory *mother, const void *obj, const TClass *cl, const char *name, Int_t bufsize) |
Creates key for object and converts data to buffer. More... | |
virtual void | Delete (const char *namecycle="") |
Delete object namecycle. More... | |
virtual void | Draw (Option_t *option="") |
Fill Graphics Structure and Paint. More... | |
virtual void | DrawMap (const char *keys="*", Option_t *option="") |
Draw map of objects in this file. More... | |
virtual void | FillBuffer (char *&buffer) |
Encode file output buffer. More... | |
TArchiveFile * | GetArchive () const |
Long64_t | GetArchiveOffset () const |
Int_t | GetBestBuffer () const |
Return the best buffer size of objects on this file. More... | |
TFileCacheRead * | GetCacheRead (TObject *tree=0) const |
Return a pointer to the current read cache. More... | |
TFileCacheWrite * | GetCacheWrite () const |
Return a pointer to the current write cache. More... | |
TArrayC * | GetClassIndex () const |
Int_t | GetCompressionAlgorithm () const |
Int_t | GetCompressionLevel () const |
Int_t | GetCompressionSettings () const |
Float_t | GetCompressionFactor () |
Return the file compression factor. More... | |
virtual Long64_t | GetEND () const |
virtual Int_t | GetErrno () const |
Method returning errno. Is overriden in TRFIOFile. More... | |
virtual void | ResetErrno () const |
Method resetting the errno. Is overridden in TRFIOFile. More... | |
Int_t | GetFd () const |
TObjArray * | GetListOfProcessIDs () const |
TList * | GetListOfFree () const |
virtual Int_t | GetNfree () const |
virtual Int_t | GetNProcessIDs () const |
Option_t * | GetOption () const |
virtual Long64_t | GetBytesRead () const |
virtual Long64_t | GetBytesReadExtra () const |
virtual Long64_t | GetBytesWritten () const |
Return the total number of bytes written so far to the file. More... | |
virtual Int_t | GetReadCalls () const |
Int_t | GetVersion () const |
Int_t | GetRecordHeader (char *buf, Long64_t first, Int_t maxbytes, Int_t &nbytes, Int_t &objlen, Int_t &keylen) |
Read the logical record header starting at a certain postion. More... | |
virtual Int_t | GetNbytesInfo () const |
virtual Int_t | GetNbytesFree () const |
virtual TString | GetNewUrl () |
Long64_t | GetRelOffset () const |
virtual Long64_t | GetSeekFree () const |
virtual Long64_t | GetSeekInfo () const |
virtual Long64_t | GetSize () const |
Returns the current file size. More... | |
virtual TList * | GetStreamerInfoList () |
Read the list of TStreamerInfo objects written to this file. More... | |
const TList * | GetStreamerInfoCache () |
Returns the cached list of StreamerInfos used in this file. More... | |
virtual void | IncrementProcessIDs () |
virtual Bool_t | IsArchive () const |
Bool_t | IsBinary () const |
Bool_t | IsRaw () const |
virtual void | ls (Option_t *option="") const |
List file contents. More... | |
virtual void | MakeFree (Long64_t first, Long64_t last) |
Mark unused bytes on the file. More... | |
virtual void | MakeProject (const char *dirname, const char *classes="*", Option_t *option="new") |
Generate source code necessary to access the objects stored in the file. More... | |
virtual void | Map () |
List the contents of a file sequentially. More... | |
virtual Bool_t | MustFlush () const |
virtual void | Paint (Option_t *option="") |
Paint all objects in the file. More... | |
virtual void | ReadFree () |
Read the FREE linked list. More... | |
virtual TProcessID * | ReadProcessID (UShort_t pidf) |
The TProcessID with number pidf is read from this file. More... | |
virtual void | ReadStreamerInfo () |
Read the list of StreamerInfo from this file. More... | |
virtual Int_t | Recover () |
Attempt to recover file if not correctly closed. More... | |
virtual void | SetCacheRead (TFileCacheRead *cache, TObject *tree=0, ECacheAction action=kDisconnect) |
Set a pointer to the read cache. More... | |
virtual void | SetCacheWrite (TFileCacheWrite *cache) |
Set a pointer to the write cache. More... | |
virtual void | SetCompressionAlgorithm (Int_t algorithm=0) |
See comments for function SetCompressionSettings. More... | |
virtual void | SetCompressionLevel (Int_t level=1) |
See comments for function SetCompressionSettings. More... | |
virtual void | SetCompressionSettings (Int_t settings=1) |
Used to specify the compression level and algorithm. More... | |
virtual void | SetEND (Long64_t last) |
virtual void | SetOffset (Long64_t offset, ERelativeTo pos=kBeg) |
Set position from where to start reading. More... | |
virtual void | SetOption (Option_t *option=">") |
virtual void | SetReadCalls (Int_t readcalls=0) |
virtual void | ShowStreamerInfo () |
Show the StreamerInfo of all classes written to this file. More... | |
virtual Int_t | Sizeof () const |
Return the size in bytes of the file header. More... | |
void | SumBuffer (Int_t bufsize) |
Increment statistics for buffer sizes of objects in this file. More... | |
virtual Int_t | Write (const char *name=0, Int_t opt=0, Int_t bufsiz=0) |
Write memory objects to this file. More... | |
virtual Int_t | Write (const char *name=0, Int_t opt=0, Int_t bufsiz=0) const |
One can not save a const TDirectory object. More... | |
virtual void | WriteFree () |
Write FREE linked list on the file. More... | |
virtual void | WriteHeader () |
Write File Header. More... | |
virtual UShort_t | WriteProcessID (TProcessID *pid) |
Check if the ProcessID pidd is already in the file, if not, add it and return the index number in the local file list. More... | |
virtual void | WriteStreamerInfo () |
Write the list of TStreamerInfo as a single object in this file The class Streamer description for all classes written to this file is saved. More... | |
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TDirectoryFile () | |
TDirectoryFile (const char *name, const char *title, Option_t *option="", TDirectory *motherDir=0) | |
Create a new TDirectoryFile. More... | |
virtual | ~TDirectoryFile () |
Destructor. More... | |
virtual void | Append (TObject *obj, Bool_t replace=kFALSE) |
Append object to this directory. More... | |
void | Add (TObject *obj, Bool_t replace=kFALSE) |
Int_t | AppendKey (TKey *key) |
Insert key in the linked list of keys of this directory. More... | |
virtual void | Browse (TBrowser *b) |
Browse the content of the directory. More... | |
void | Build (TFile *motherFile=0, TDirectory *motherDir=0) |
Initialise directory to defaults. More... | |
virtual TObject * | CloneObject (const TObject *obj, Bool_t autoadd=kTRUE) |
Make a clone of an object using the Streamer facility. More... | |
virtual Bool_t | cd (const char *path=0) |
Change current directory to "this" directory. More... | |
virtual TKey * | FindKey (const char *keyname) const |
Find key with name keyname in the current directory. More... | |
virtual TKey * | FindKeyAny (const char *keyname) const |
Find key with name keyname in the current directory or its subdirectories. More... | |
virtual TObject * | FindObjectAny (const char *name) const |
Find object by name in the list of memory objects of the current directory or its sub-directories. More... | |
virtual TObject * | FindObjectAnyFile (const char *name) const |
Scan the memory lists of all files for an object with name. More... | |
virtual TObject * | Get (const char *namecycle) |
Return pointer to object identified by namecycle. More... | |
virtual TDirectory * | GetDirectory (const char *apath, Bool_t printError=false, const char *funcname="GetDirectory") |
Find a directory named "apath". More... | |
template<class T > | |
void | GetObject (const char *namecycle, T *&ptr) |
virtual void * | GetObjectChecked (const char *namecycle, const char *classname) |
See documentation of TDirectoryFile::GetObjectCheck(const char *namecycle, const TClass *cl) More... | |
virtual void * | GetObjectChecked (const char *namecycle, const TClass *cl) |
Return pointer to object identified by namecycle if and only if the actual object is a type suitable to be stored as a pointer to a "expectedClass" If expectedClass is null, no check is performed. More... | |
virtual void * | GetObjectUnchecked (const char *namecycle) |
Return pointer to object identified by namecycle. More... | |
virtual Int_t | GetBufferSize () const |
Return the buffer size to create new TKeys. More... | |
const TDatime & | GetCreationDate () const |
virtual TFile * | GetFile () const |
virtual TKey * | GetKey (const char *name, Short_t cycle=9999) const |
Return pointer to key with name,cycle. More... | |
virtual TList * | GetListOfKeys () const |
const TDatime & | GetModificationDate () const |
virtual Int_t | GetNbytesKeys () const |
virtual Int_t | GetNkeys () const |
virtual Long64_t | GetSeekDir () const |
virtual Long64_t | GetSeekParent () const |
virtual Long64_t | GetSeekKeys () const |
Bool_t | IsModified () const |
Bool_t | IsWritable () const |
virtual TDirectory * | mkdir (const char *name, const char *title="") |
Create a sub-directory and return a pointer to the created directory. More... | |
virtual TFile * | OpenFile (const char *name, Option_t *option="", const char *ftitle="", Int_t compress=1, Int_t netopt=0) |
Interface to TFile::Open. More... | |
virtual void | Purge (Short_t nkeep=1) |
Purge lowest key cycles in a directory. More... | |
virtual void | ReadAll (Option_t *option="") |
Read objects from a ROOT file directory into memory. More... | |
virtual Int_t | ReadKeys (Bool_t forceRead=kTRUE) |
Read the linked list of keys. More... | |
virtual Int_t | ReadTObject (TObject *obj, const char *keyname) |
Read object with keyname from the current directory. More... | |
virtual void | ResetAfterMerge (TFileMergeInfo *) |
Reset the TDirectory after its content has been merged into another Directory. More... | |
virtual void | rmdir (const char *name) |
Removes subdirectory from the directory. More... | |
virtual void | Save () |
Save recursively all directory keys and headers. More... | |
virtual void | SaveSelf (Bool_t force=kFALSE) |
Save Directory keys and header. More... | |
virtual Int_t | SaveObjectAs (const TObject *obj, const char *filename="", Option_t *option="") const |
Save object in filename. More... | |
virtual void | SetBufferSize (Int_t bufsize) |
Set the default buffer size when creating new TKeys. More... | |
void | SetModified () |
void | SetSeekDir (Long64_t v) |
virtual void | SetTRefAction (TObject *ref, TObject *parent) |
Find the action to be executed in the dictionary of the parent class and store the corresponding exec number into fBits. More... | |
void | SetWritable (Bool_t writable=kTRUE) |
Set the new value of fWritable recursively. More... | |
virtual Int_t | WriteTObject (const TObject *obj, const char *name=0, Option_t *option="", Int_t bufsize=0) |
Write object obj to this directory. More... | |
virtual Int_t | WriteObjectAny (const void *obj, const char *classname, const char *name, Option_t *option="", Int_t bufsize=0) |
Write object from pointer of class classname in this directory. More... | |
virtual Int_t | WriteObjectAny (const void *obj, const TClass *cl, const char *name, Option_t *option="", Int_t bufsize=0) |
Write object of class with dictionary cl in this directory. More... | |
virtual void | WriteDirHeader () |
Overwrite the Directory header record. More... | |
virtual void | WriteKeys () |
Write Keys linked list on the file. More... | |
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TDirectory () | |
TDirectory (const char *name, const char *title, Option_t *option="", TDirectory *motherDir=0) | |
Create a new Directory. More... | |
virtual | ~TDirectory () |
Destructor. More... | |
virtual void | Clear (Option_t *option="") |
Delete all objects from a Directory list. More... | |
virtual void | DeleteAll (Option_t *option="") |
Delete all objects from memory. More... | |
virtual TObject * | FindObject (const char *name) const |
Find object by name in the list of memory objects. More... | |
virtual TObject * | FindObject (const TObject *obj) const |
Find object in the list of memory objects. More... | |
template<class T > | |
void | GetObject (const char *namecycle, T *&ptr) |
virtual TList * | GetList () const |
virtual TObject * | GetMother () const |
virtual TDirectory * | GetMotherDir () const |
virtual const char * | GetPathStatic () const |
Returns the full path of the directory. More... | |
virtual const char * | GetPath () const |
Returns the full path of the directory. More... | |
TUUID | GetUUID () const |
virtual Bool_t | IsFolder () const |
Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More... | |
virtual void | pwd () const |
Print the path of the directory. More... | |
virtual TObject * | Remove (TObject *) |
Remove an object from the in-memory list. More... | |
virtual void | RecursiveRemove (TObject *obj) |
Recursively remove object from a Directory. More... | |
virtual void | SetMother (TObject *mother) |
virtual void | SetName (const char *newname) |
Set the name for directory If the directory name is changed after the directory was written once, ROOT currently would NOT change the name of correspondent key in the mother directory. More... | |
template<class T > | |
Int_t | WriteObject (const T *obj, const char *name, Option_t *option="", Int_t bufsize=0) |
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TNamed () | |
TNamed (const char *name, const char *title) | |
TNamed (const TString &name, const TString &title) | |
TNamed (const TNamed &named) | |
TNamed & | operator= (const TNamed &rhs) |
TNamed assignment operator. More... | |
virtual | ~TNamed () |
virtual TObject * | Clone (const char *newname="") const |
Make a clone of an object using the Streamer facility. More... | |
virtual Int_t | Compare (const TObject *obj) const |
Compare two TNamed objects. More... | |
virtual const char * | GetName () const |
Returns name of object. More... | |
virtual const char * | GetTitle () const |
Returns title of object. More... | |
virtual ULong_t | Hash () const |
Return hash value for this object. More... | |
virtual Bool_t | IsSortable () const |
virtual void | SetNameTitle (const char *name, const char *title) |
Change (i.e. set) all the TNamed parameters (name and title). More... | |
virtual void | SetTitle (const char *title="") |
Change (i.e. set) the title of the TNamed. More... | |
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TObject () | |
TObject (const TObject &object) | |
TObject copy ctor. More... | |
TObject & | operator= (const TObject &rhs) |
TObject assignment operator. More... | |
virtual | ~TObject () |
TObject destructor. More... | |
virtual void | AppendPad (Option_t *option="") |
Append graphics object to current pad. More... | |
virtual const char * | ClassName () const |
Returns name of class to which the object belongs. More... | |
virtual Int_t | DistancetoPrimitive (Int_t px, Int_t py) |
Computes distance from point (px,py) to the object. More... | |
virtual void | DrawClass () const |
Draw class inheritance tree of the class to which this object belongs. More... | |
virtual TObject * | DrawClone (Option_t *option="") const |
Draw a clone of this object in the current pad. More... | |
virtual void | Dump () const |
Dump contents of object on stdout. More... | |
virtual void | Execute (const char *method, const char *params, Int_t *error=0) |
Execute method on this object with the given parameter string, e.g. More... | |
virtual void | Execute (TMethod *method, TObjArray *params, Int_t *error=0) |
Execute method on this object with parameters stored in the TObjArray. More... | |
virtual void | ExecuteEvent (Int_t event, Int_t px, Int_t py) |
Execute action corresponding to an event at (px,py). More... | |
virtual Option_t * | GetDrawOption () const |
Get option used by the graphics system to draw this object. More... | |
virtual UInt_t | GetUniqueID () const |
Return the unique object id. More... | |
virtual const char * | GetIconName () const |
Returns mime type name of object. More... | |
virtual char * | GetObjectInfo (Int_t px, Int_t py) const |
Returns string containing info about the object at position (px,py). More... | |
virtual Bool_t | HandleTimer (TTimer *timer) |
Execute action in response of a timer timing out. More... | |
virtual Bool_t | InheritsFrom (const char *classname) const |
Returns kTRUE if object inherits from class "classname". More... | |
virtual Bool_t | InheritsFrom (const TClass *cl) const |
Returns kTRUE if object inherits from TClass cl. More... | |
virtual void | Inspect () const |
Dump contents of this object in a graphics canvas. More... | |
virtual Bool_t | IsEqual (const TObject *obj) const |
Default equal comparison (objects are equal if they have the same address in memory). More... | |
Bool_t | IsOnHeap () const |
Bool_t | IsZombie () const |
virtual Bool_t | Notify () |
This method must be overridden to handle object notification. More... | |
virtual void | Pop () |
Pop on object drawn in a pad to the top of the display list. More... | |
virtual Int_t | Read (const char *name) |
Read contents of object with specified name from the current directory. More... | |
virtual void | SaveAs (const char *filename="", Option_t *option="") const |
Save this object in the file specified by filename. More... | |
virtual void | SavePrimitive (std::ostream &out, Option_t *option="") |
Save a primitive as a C++ statement(s) on output stream "out". More... | |
virtual void | SetDrawOption (Option_t *option="") |
Set drawing option for object. More... | |
virtual void | SetUniqueID (UInt_t uid) |
Set the unique object id. More... | |
virtual void | UseCurrentStyle () |
Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked. More... | |
void * | operator new (size_t sz) |
void * | operator new[] (size_t sz) |
void * | operator new (size_t sz, void *vp) |
void * | operator new[] (size_t sz, void *vp) |
void | operator delete (void *ptr) |
Operator delete. More... | |
void | operator delete[] (void *ptr) |
Operator delete []. More... | |
void | SetBit (UInt_t f, Bool_t set) |
Set or unset the user status bits as specified in f. More... | |
void | SetBit (UInt_t f) |
void | ResetBit (UInt_t f) |
Bool_t | TestBit (UInt_t f) const |
Int_t | TestBits (UInt_t f) const |
void | InvertBit (UInt_t f) |
virtual void | Info (const char *method, const char *msgfmt,...) const |
Issue info message. More... | |
virtual void | Warning (const char *method, const char *msgfmt,...) const |
Issue warning message. More... | |
virtual void | Error (const char *method, const char *msgfmt,...) const |
Issue error message. More... | |
virtual void | SysError (const char *method, const char *msgfmt,...) const |
Issue system error message. More... | |
virtual void | Fatal (const char *method, const char *msgfmt,...) const |
Issue fatal error message. More... | |
void | AbstractMethod (const char *method) const |
Use this method to implement an "abstract" method that you don't want to leave purely abstract. More... | |
void | MayNotUse (const char *method) const |
Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary). More... | |
void | Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const |
Use this method to declare a method obsolete. More... | |
Static Public Member Functions | |
static TAlienFile * | Open (const char *lfn, const Option_t *option="", const char *title="", Int_t compress=1, Bool_t parallelopen=kFALSE) |
Static method used to create a TAlienFile object. More... | |
static TString | SUrl (const char *lfn) |
Get surl from lfn by asking AliEn catalog. More... | |
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static TFile *& | CurrentFile () |
Return the current ROOT file if any. More... | |
static TFileOpenHandle * | AsyncOpen (const char *name, Option_t *option="", const char *ftitle="", Int_t compress=1, Int_t netopt=0) |
Submit an asynchronous open request. More... | |
static TFile * | Open (const char *name, Option_t *option="", const char *ftitle="", Int_t compress=1, Int_t netopt=0) |
Create / open a file. More... | |
static TFile * | Open (TFileOpenHandle *handle) |
Waits for the completion of an asynchronous open request. More... | |
static EFileType | GetType (const char *name, Option_t *option="", TString *prefix=0) |
Resolve the file type as a function of the protocol field in 'name'. More... | |
static EAsyncOpenStatus | GetAsyncOpenStatus (const char *name) |
Get status of the async open request related to 'name'. More... | |
static EAsyncOpenStatus | GetAsyncOpenStatus (TFileOpenHandle *handle) |
Get status of the async open request related to 'handle'. More... | |
static const TUrl * | GetEndpointUrl (const char *name) |
Get final URL for file being opened asynchronously. More... | |
static Long64_t | GetFileBytesRead () |
Static function returning the total number of bytes read from all files. More... | |
static Long64_t | GetFileBytesWritten () |
Static function returning the total number of bytes written to all files. More... | |
static Int_t | GetFileReadCalls () |
Static function returning the total number of read calls from all files. More... | |
static Int_t | GetReadaheadSize () |
Static function returning the readahead buffer size. More... | |
static void | SetFileBytesRead (Long64_t bytes=0) |
static void | SetFileBytesWritten (Long64_t bytes=0) |
static void | SetFileReadCalls (Int_t readcalls=0) |
static void | SetReadaheadSize (Int_t bufsize=256000) |
static void | SetReadStreamerInfo (Bool_t readinfo=kTRUE) |
Specify if the streamerinfos must be read at file opening. More... | |
static Bool_t | GetReadStreamerInfo () |
If the streamerinfos are to be read at file opening. More... | |
static Long64_t | GetFileCounter () |
static void | IncrementFileCounter () |
static Bool_t | SetCacheFileDir (const char *cacheDir, Bool_t operateDisconnected=kTRUE, Bool_t forceCacheread=kFALSE) |
Sets the directory where to locally stage/cache remote files. More... | |
static const char * | GetCacheFileDir () |
Get the directory where to locally stage/cache remote files. More... | |
static Bool_t | ShrinkCacheFileDir (Long64_t shrinkSize, Long_t cleanupInteval=0) |
Try to shrink the cache to the desired size. More... | |
static Bool_t | Cp (const char *src, const char *dst, Bool_t progressbar=kTRUE, UInt_t buffersize=1000000) |
Allows to copy file from src to dst URL. More... | |
static UInt_t | SetOpenTimeout (UInt_t timeout) |
Sets open timeout time (in ms). Returns previous timeout value. More... | |
static UInt_t | GetOpenTimeout () |
Returns open timeout (in ms). More... | |
static Bool_t | SetOnlyStaged (Bool_t onlystaged) |
Sets only staged flag. More... | |
static Bool_t | GetOnlyStaged () |
Returns staged only flag. More... | |
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static void | AddDirectory (Bool_t add=kTRUE) |
Sets the flag controlling the automatic add objects like histograms, TGraph2D, etc in memory. More... | |
static Bool_t | AddDirectoryStatus () |
Static function: see TDirectory::AddDirectory for more comments. More... | |
static TDirectory *& | CurrentDirectory () |
Return the current directory for the current thread. More... | |
static Bool_t | Cd (const char *path) |
Change current directory to "path". More... | |
static void | DecodeNameCycle (const char *namecycle, char *name, Short_t &cycle, const size_t namesize=0) |
Decode a namecycle "aap;2" into name "aap" and cycle "2". More... | |
static void | EncodeNameCycle (char *buffer, const char *name, Short_t cycle) |
Encode the name and cycle into buffer like: "aap;2". More... | |
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static Long_t | GetDtorOnly () |
Return destructor only flag. More... | |
static void | SetDtorOnly (void *obj) |
Set destructor only flag. More... | |
static Bool_t | GetObjectStat () |
Get status of object stat flag. More... | |
static void | SetObjectStat (Bool_t stat) |
Turn on/off tracking of objects in the TObjectTable. More... | |
Protected Member Functions | |
void | SetGUID (const char *guid) |
void | SetElapsed (Double_t real) |
void | SetImage (Int_t image) |
void | SetNreplicas (Int_t nrep) |
void | SetPfn (const char *pfn) |
void | SetSE (const char *se) |
void | SetUrl (const char *url) |
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TNetFile (const TNetFile &) | |
TNetFile & | operator= (const TNetFile &) |
TNetFile (const char *url, const char *ftitle, Int_t comp, Bool_t) | |
Create a TNetFile object. More... | |
virtual void | ConnectServer (Int_t *stat, EMessageTypes *kind, Int_t netopt, Int_t tcpwindowsize, Bool_t forceOpen, Bool_t forceRead) |
Connect to remote rootd server. More... | |
virtual void | Create (const char *url, Option_t *option, Int_t netopt) |
Create a NetFile object. More... | |
virtual void | Create (TSocket *s, Option_t *option, Int_t netopt) |
Create a NetFile object using an existing connection (socket s). More... | |
void | PrintError (const char *where, Int_t err) |
Print error string depending on error code. More... | |
Int_t | Recv (Int_t &status, EMessageTypes &kind) |
Return status from rootd server and message kind. More... | |
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Bool_t | FlushWriteCache () |
Flush the write cache if active. More... | |
Int_t | ReadBufferViaCache (char *buf, Int_t len) |
Read buffer via cache. More... | |
Int_t | WriteBufferViaCache (const char *buf, Int_t len) |
Write buffer via cache. More... | |
Int_t | MakeProjectParMake (const char *packname, const char *filename) |
Create makefile at 'filemake' for PAR package 'pack'. More... | |
Int_t | MakeProjectParProofInf (const char *packname, const char *proofinfdir) |
Create BUILD.sh and SETUP.C under 'proofinf' for PAR package 'pack'. More... | |
virtual Int_t | SysRead (Int_t fd, void *buf, Int_t len) |
Interface to system read. All arguments like in POSIX read(). More... | |
virtual Int_t | SysWrite (Int_t fd, const void *buf, Int_t len) |
Interface to system write. All arguments like in POSIX write(). More... | |
virtual Long64_t | SysSeek (Int_t fd, Long64_t offset, Int_t whence) |
Interface to system lseek. More... | |
virtual Int_t | SysSync (Int_t fd) |
Interface to system fsync. All arguments like in POSIX fsync(). More... | |
virtual Long64_t | DirCreateEntry (TDirectory *) |
virtual Int_t | DirReadKeys (TDirectory *) |
virtual void | DirWriteKeys (TDirectory *) |
virtual void | DirWriteHeader (TDirectory *) |
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virtual void | CleanTargets () |
Clean the pointers to this object (gDirectory, TContext, etc.) More... | |
void | Init (TClass *cl=0) |
Initialize the key associated with this directory (and the related data members. More... | |
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Bool_t | cd1 (const char *path) |
flag to add histograms, graphs,etc to the directory More... | |
void | FillFullPath (TString &buf) const |
Recursive method to fill full path for directory. More... | |
void | RegisterContext (TContext *ctxt) |
Register a TContext pointing to this TDirectory object. More... | |
void | UnregisterContext (TContext *ctxt) |
UnRegister a TContext pointing to this TDirectory object. More... | |
TDirectory (const TDirectory &directory) | |
Copy constructor. More... | |
void | operator= (const TDirectory &) |
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void | MakeZombie () |
virtual void | DoError (int level, const char *location, const char *fmt, va_list va) const |
Interface to ErrorHandler (protected). More... | |
Private Attributes | |
TString | fLfn |
TString | fAuthz |
TString | fGUID |
TString | fUrl |
TString | fPfn |
TString | fSE |
Int_t | fImage |
Int_t | fNreplicas |
Long64_t | fOpenedAt |
Double_t | fElapsed |
Additional Inherited Members | |
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enum | EAsyncOpenStatus { kAOSNotAsync = -1, kAOSFailure = 0, kAOSInProgress = 1, kAOSSuccess = 2 } |
Asynchronous open request status. More... | |
enum | EOpenTimeOut { kInstantTimeout = 0, kEternalTimeout = 999999999 } |
Open timeout constants. More... | |
enum | ECacheAction { kDisconnect = 0, kDoNotDisconnect = 1 } |
TTreeCache flushing semantics. More... | |
enum | EStatusBits { kRecovered = BIT(10), kHasReferences = BIT(11), kDevNull = BIT(12), kWriteError = BIT(14), kBinaryFile = BIT(15), kRedirected = BIT(16) } |
TFile status bits. BIT(13) is taken up by TObject. More... | |
enum | ERelativeTo { kBeg = 0, kCur = 1, kEnd = 2 } |
enum | { kStartBigFile = 2000000000 } |
enum | EFileType { kDefault = 0, kLocal = 1, kNet = 2, kWeb = 3, kFile = 4, kMerge = 5 } |
File type. More... | |
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enum | { kCloseDirectory = BIT(7) } |
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enum | EStatusBits { kCanDelete = BIT(0), kMustCleanup = BIT(3), kObjInCanvas = BIT(3), kIsReferenced = BIT(4), kHasUUID = BIT(5), kCannotPick = BIT(6), kNoContextMenu = BIT(8), kInvalidObject = BIT(13) } |
enum | { kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kBitMask = 0x00ffffff } |
enum | { kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) } |
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static Bool_t | Cd1 (const char *path) |
Change current directory to "path". More... | |
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TUrl | fEndpointUrl |
TString | fUser |
TSocket * | fSocket |
Int_t | fProtocol |
Int_t | fErrorCode |
Int_t | fNetopt |
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Double_t | fSumBuffer |
Sum of buffer sizes of objects written so far. More... | |
Double_t | fSum2Buffer |
Sum of squares of buffer sizes of objects written so far. More... | |
Long64_t | fBytesWrite |
Number of bytes written to this file. More... | |
Long64_t | fBytesRead |
Number of bytes read from this file. More... | |
Long64_t | fBytesReadExtra |
Number of extra bytes (overhead) read by the readahead buffer. More... | |
Long64_t | fBEGIN |
First used byte in file. More... | |
Long64_t | fEND |
Last used byte in file. More... | |
Long64_t | fSeekFree |
Location on disk of free segments structure. More... | |
Long64_t | fSeekInfo |
Location on disk of StreamerInfo record. More... | |
Int_t | fD |
File descriptor. More... | |
Int_t | fVersion |
File format version. More... | |
Int_t | fCompress |
Compression level and algorithm. More... | |
Int_t | fNbytesFree |
Number of bytes for free segments structure. More... | |
Int_t | fNbytesInfo |
Number of bytes for StreamerInfo record. More... | |
Int_t | fWritten |
Number of objects written so far. More... | |
Int_t | fNProcessIDs |
Number of TProcessID written to this file. More... | |
Int_t | fReadCalls |
Number of read calls ( not counting the cache calls ) More... | |
TString | fRealName |
Effective real file name (not original url) More... | |
TString | fOption |
File options. More... | |
Char_t | fUnits |
Number of bytes for file pointers. More... | |
TList * | fFree |
Free segments linked list table. More... | |
TArrayC * | fClassIndex |
!Index of TStreamerInfo classes written to this file More... | |
TObjArray * | fProcessIDs |
!Array of pointers to TProcessIDs More... | |
Long64_t | fOffset |
!Seek offset cache More... | |
TArchiveFile * | fArchive |
!Archive file from which we read this file More... | |
TFileCacheRead * | fCacheRead |
!Pointer to the read cache (if any) More... | |
TMap * | fCacheReadMap |
!Pointer to the read cache (if any) More... | |
TFileCacheWrite * | fCacheWrite |
!Pointer to the write cache (if any) More... | |
Long64_t | fArchiveOffset |
!Offset at which file starts in archive More... | |
Bool_t | fIsArchive: 1 |
!True if this is a pure archive file More... | |
Bool_t | fNoAnchorInName: 1 |
!True if we don't want to force the anchor to be appended to the file name More... | |
Bool_t | fIsRootFile: 1 |
!True is this is a ROOT file, raw file otherwise More... | |
Bool_t | fInitDone: 1 |
!True if the file has been initialized More... | |
Bool_t | fMustFlush: 1 |
!True if the file buffers must be flushed More... | |
Bool_t | fIsPcmFile: 1 |
!True if the file is a ROOT pcm file. More... | |
TFileOpenHandle * | fAsyncHandle |
!For proper automatic cleanup More... | |
EAsyncOpenStatus | fAsyncOpenStatus |
!Status of an asynchronous open request More... | |
TUrl | fUrl |
!URL of file More... | |
TList * | fInfoCache |
!Cached list of the streamer infos in this file More... | |
TList * | fOpenPhases |
!Time info about open phases More... | |
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Bool_t | fModified |
True if directory has been modified. More... | |
Bool_t | fWritable |
True if directory is writable. More... | |
TDatime | fDatimeC |
Date and time when directory is created. More... | |
TDatime | fDatimeM |
Date and time of last modification. More... | |
Int_t | fNbytesKeys |
Number of bytes for the keys. More... | |
Int_t | fNbytesName |
Number of bytes in TNamed at creation time. More... | |
Int_t | fBufferSize |
Default buffer size to create new TKeys. More... | |
Long64_t | fSeekDir |
Location of directory on file. More... | |
Long64_t | fSeekParent |
Location of parent directory on file. More... | |
Long64_t | fSeekKeys |
Location of Keys record on file. More... | |
TFile * | fFile |
Pointer to current file in memory. More... | |
TList * | fKeys |
Pointer to keys list in memory. More... | |
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TObject * | fMother |
TList * | fList |
TUUID | fUUID |
TString | fPathBuffer |
TContext * | fContext |
Buffer for GetPath() function. More... | |
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TString | fName |
TString | fTitle |
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static TList * | fgAsyncOpenRequests = 0 |
static TString | fgCacheFileDir |
Directory where to locally stage files. More... | |
static Bool_t | fgCacheFileDisconnected = kTRUE |
Indicates, we trust in the files in the cache dir without stat on the cached file. More... | |
static Bool_t | fgCacheFileForce = kFALSE |
Indicates, to force all READ to CACHEREAD. More... | |
static UInt_t | fgOpenTimeout = TFile::kEternalTimeout |
Timeout for open operations in ms - 0 corresponds to blocking i/o. More... | |
static Bool_t | fgOnlyStaged = 0 |
Before the file is opened, it is checked, that the file is staged, if not, the open fails. More... | |
static std::atomic< Long64_t > | fgBytesWrite {0} |
Number of bytes written by all TFile objects. More... | |
static std::atomic< Long64_t > | fgBytesRead |
Number of bytes read by all TFile objects. More... | |
static std::atomic< Long64_t > | fgFileCounter {0} |
Counter for all opened files. More... | |
static std::atomic< Int_t > | fgReadCalls {0} |
Number of bytes read from all TFile objects. More... | |
static Int_t | fgReadaheadSize = 256000 |
Readahead buffer size. More... | |
static Bool_t | fgReadInfo = kTRUE |
if true (default) ReadStreamerInfo is called when opening a file More... | |
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static Bool_t | fgAddDirectory = kTRUE |
Pointer to a list of TContext object pointing to this TDirectory. More... | |
#include <TAlienFile.h>
|
inline |
Definition at line 55 of file TAlienFile.h.
Referenced by Open().
TAlienFile::TAlienFile | ( | const char * | purl, |
Option_t * | option = "" , |
||
const char * | ftitle = "" , |
||
Int_t | compress = 1 , |
||
Bool_t | parallelopen = kFALSE , |
||
const char * | lurl = 0 , |
||
const char * | authz = 0 |
||
) |
|
virtual |
TAlienFile file dtor.
Definition at line 534 of file TAlienFile.cxx.
Close the file.
Reimplemented from TXNetFile.
Definition at line 546 of file TAlienFile.cxx.
Referenced by ~TAlienFile().
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inline |
Definition at line 65 of file TAlienFile.h.
|
inline |
Definition at line 64 of file TAlienFile.h.
|
inline |
Definition at line 66 of file TAlienFile.h.
|
inline |
Definition at line 67 of file TAlienFile.h.
|
inline |
Definition at line 68 of file TAlienFile.h.
|
inline |
Definition at line 69 of file TAlienFile.h.
|
inline |
Definition at line 70 of file TAlienFile.h.
|
inline |
Definition at line 71 of file TAlienFile.h.
|
inline |
Definition at line 72 of file TAlienFile.h.
|
static |
Static method used to create a TAlienFile object.
For options see TAlienFile ctor.
Definition at line 104 of file TAlienFile.cxx.
Definition at line 76 of file TAlienFile.h.
Referenced by Open().
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inlineprotected |
Definition at line 75 of file TAlienFile.h.
Referenced by Open().
Definition at line 77 of file TAlienFile.h.
Referenced by Open().
Definition at line 78 of file TAlienFile.h.
Referenced by Open().
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inlineprotected |
Definition at line 79 of file TAlienFile.h.
Referenced by Open().
|
inlineprotected |
Definition at line 80 of file TAlienFile.h.
Referenced by Open().
|
inlineprotected |
Definition at line 81 of file TAlienFile.h.
Referenced by Open().
|
static |
Get surl from lfn by asking AliEn catalog.
Definition at line 612 of file TAlienFile.cxx.
Referenced by TAlienCollection::LookupSUrls().
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private |
Definition at line 45 of file TAlienFile.h.
Referenced by Close().
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private |
Definition at line 53 of file TAlienFile.h.
Referenced by GetElapsed(), and SetElapsed().
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private |
Definition at line 46 of file TAlienFile.h.
|
private |
Definition at line 50 of file TAlienFile.h.
Referenced by GetImage(), and SetImage().
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private |
Definition at line 44 of file TAlienFile.h.
|
private |
Definition at line 51 of file TAlienFile.h.
Referenced by GetNreplicas(), and SetNreplicas().
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private |
Definition at line 52 of file TAlienFile.h.
Referenced by GetOpenTime().
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private |
Definition at line 48 of file TAlienFile.h.
|
private |
Definition at line 49 of file TAlienFile.h.
|
private |
Definition at line 47 of file TAlienFile.h.