library: libRFIO #include "TRFIOFile.h" |
TRFIOSystem
class description - source file - inheritance tree (.pdf)
private:
virtual void* GetDirPtr() const
public:
TRFIOSystem()
TRFIOSystem(const TRFIOSystem&)
virtual ~TRFIOSystem()
virtual Bool_t AccessPathName(const char* path, EAccessMode mode)
static TClass* Class()
virtual void FreeDirectory(void* dirp)
virtual const char* GetDirEntry(void* dirp) const
virtual Int_t GetPathInfo(const char* path, FileStat_t& buf)
virtual TClass* IsA() const
virtual Int_t MakeDirectory(const char* name)
virtual void* OpenDirectory(const char* name)
TRFIOSystem& operator=(const TRFIOSystem&)
virtual void ShowMembers(TMemberInspector& insp, char* parent)
virtual void Streamer(TBuffer& b)
void StreamerNVirtual(TBuffer& b)
private:
void* fDirp directory handler
TRFIOFile
A TRFIOFile is like a normal TFile except that it reads and writes
its data via a rfiod server (for more on the rfiod daemon see
http://wwwinfo.cern.ch/pdp/serv/shift.html). TRFIOFile file names
are in standard URL format with protocol "rfio". The following are
valid TRFIOFile URL's:
rfio:/afs/cern.ch/user/r/rdm/galice.root
where galice.root is a symlink of the type /shift/.../...
rfio:na49db1:/data1/raw.root
TRFIOSystem() : TSystem("-rfio", "RFIO Helper System")
Create helper class that allows directory access via rfiod.
Int_t MakeDirectory(const char *dir)
Make a directory via rfiod.
void* OpenDirectory(const char *dir)
Open a directory via rfiod. Returns an opaque pointer to a dir
structure. Returns 0 in case of error.
void FreeDirectory(void *dirp)
Free directory via rfiod.
const char* GetDirEntry(void *dirp)
Get directory entry via rfiod. Returns 0 in case no more entries.
Int_t GetPathInfo(const char *path, FileStat_t &buf)
Get info about a file. Info is returned in the form of a FileStat_t
structure (see TSystem.h).
The function returns 0 in case of success and 1 if the file could
not be stat'ed.
Bool_t AccessPathName(const char *path, EAccessMode mode)
Returns FALSE if one can access a file using the specified access mode.
Mode is the same as for the Unix access(2) function.
Attention, bizarre convention of return value!!
Inline Functions
void ~TRFIOSystem()
void* GetDirPtr() const
TClass* Class()
TClass* IsA() const
void ShowMembers(TMemberInspector& insp, char* parent)
void Streamer(TBuffer& b)
void StreamerNVirtual(TBuffer& b)
TRFIOSystem TRFIOSystem(const TRFIOSystem&)
TRFIOSystem& operator=(const TRFIOSystem&)
Author: Fons Rademakers 20/01/99
Last update: root/rfio:$Name: $:$Id: TRFIOFile.cxx,v 1.32 2005/02/28 17:28:12 rdm Exp $
Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
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