XrdOssWrapper Class Reference

#include <XrdOssWrapper.hh>

Inheritance diagram for XrdOssWrapper:

Collaboration diagram for XrdOssWrapper:

Public Member Functions
	XrdOssWrapper (XrdOss &ossRef)
virtual	~XrdOssWrapper ()
virtual int	Chmod (const char *path, mode_t mode, XrdOucEnv *envP=0)
virtual void	Connect (XrdOucEnv &env)
virtual int	Create (const char *tid, const char *path, mode_t mode, XrdOucEnv &env, int opts=0)
virtual void	Disc (XrdOucEnv &env)
virtual void	EnvInfo (XrdOucEnv *envP)
virtual uint64_t	Features ()
virtual int	FSctl (int cmd, int alen, const char *args, char **resp=0)
virtual int	Init (XrdSysLogger *lp, const char *cfn)
virtual int	Init (XrdSysLogger *lp, const char *cfn, XrdOucEnv *envP)
virtual int	Lfn2Pfn (const char *Path, char *buff, int blen)
virtual const char *	Lfn2Pfn (const char *Path, char *buff, int blen, int &rc)
virtual int	Mkdir (const char *path, mode_t mode, int mkpath=0, XrdOucEnv *envP=0)
virtual XrdOssDF *	newDir (const char *tident)
virtual XrdOssDF *	newFile (const char *tident)
virtual int	Reloc (const char *tident, const char *path, const char *cgName, const char *anchor=0)
virtual int	Remdir (const char *path, int Opts=0, XrdOucEnv *envP=0)
virtual int	Rename (const char *oPath, const char *nPath, XrdOucEnv *oEnvP=0, XrdOucEnv *nEnvP=0)
virtual int	Stat (const char *path, struct stat *buff, int opts=0, XrdOucEnv *envP=0)
virtual int	StatFS (const char *path, char *buff, int &blen, XrdOucEnv *envP=0)
virtual int	StatLS (XrdOucEnv &env, const char *path, char *buff, int &blen)
virtual int	StatPF (const char *path, struct stat *buff)
virtual int	StatPF (const char *path, struct stat *buff, int opts)
virtual int	Stats (char *buff, int blen)
virtual int	StatVS (XrdOssVSInfo *vsP, const char *sname=0, int updt=0)
virtual int	StatXA (const char *path, char *buff, int &blen, XrdOucEnv *envP=0)
virtual int	StatXP (const char *path, unsigned long long &attr, XrdOucEnv *envP=0)
virtual int	Truncate (const char *path, unsigned long long fsize, XrdOucEnv *envP=0)
virtual int	Unlink (const char *path, int Opts=0, XrdOucEnv *envP=0)
Public Member Functions inherited from XrdOss
	XrdOss ()
	Constructor and Destructor. More...
virtual	~XrdOss ()

Protected Attributes
XrdOss &	wrapPI

Additional Inherited Members
Static Public Attributes inherited from XrdOss
static const int	PF_csVer = 0x00000001
	verified file checksums present More...
static const int	PF_csVun = 0x00000002
	unverified file checksums present More...
static const int	PF_dInfo = 0x00000001
static const int	PF_dNums = 0x00000002
static const int	PF_dStat = 0x00000008
static const int	PF_isLFN = 0x00000004

Detailed Description

Definition at line 446 of file XrdOssWrapper.hh.

Constructor & Destructor Documentation

XrdOssWrapper()

XrdOssWrapper::XrdOssWrapper ( XrdOss &  ossRef )

inline

Constructor and Destructor.

Parameters

ossRef

- Reference to the Oss object being wrapped.

Note

: The object creator is responsible for deleting the ossRef object. The ref to this object is stored here and is accessible.

Definition at line 856 of file XrdOssWrapper.hh.

: wrapPI(ossRef) {}

~XrdOssWrapper()

virtual XrdOssWrapper::~XrdOssWrapper ( )

inlinevirtual

Definition at line 857 of file XrdOssWrapper.hh.

{}

Member Function Documentation

Chmod()

virtual int XrdOssWrapper::Chmod ( const char *  path, mode_t  mode, XrdOucEnv *  envP = 0  )

inlinevirtual

Change file mode settings.

Parameters

path	- Pointer to the path of the file in question.
mode	- The new file mode setting.
envP	- Pointer to environmental information.

Returns

0 upon success or -errno or -osserr (see XrdOssError.hh).

Implements XrdOss.

Reimplemented in XrdOssStats::FileSystem.

Definition at line 484 of file XrdOssWrapper.hh.

                       {return wrapPI.Chmod(path, mode, envP);}

References XrdOss::Chmod(), XrdProxy::envP, and wrapPI.

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Connect()

virtual void XrdOssWrapper::Connect ( XrdOucEnv &  env )

inlinevirtual

Notify storage system that a client has connected.

Parameters

env	- Reference to environmental information.

Reimplemented from XrdOss.

Definition at line 493 of file XrdOssWrapper.hh.

{wrapPI.Connect(env);}

References XrdOss::Connect(), and wrapPI.

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Create()

virtual int XrdOssWrapper::Create ( const char *  tid, const char *  path, mode_t  mode, XrdOucEnv &  env, int  opts = 0  )

inlinevirtual

Create file.

Parameters

tid	- Pointer to the trace identifier.
path	- Pointer to the path of the file to create.
mode	- The new file mode setting.
env	- Reference to environmental information.
opts	- Create options: XRDOSS_mkpath - create dir path if it does not exist. XRDOSS_new - the file must not already exist. oflags<<8 - open flags shifted 8 bits to the left/

Returns

0 upon success or -errno or -osserr (see XrdOssError.hh).

Implements XrdOss.

Definition at line 510 of file XrdOssWrapper.hh.

                        {return wrapPI.Create(tid, path, mode, env, opts);}

References XrdOss::Create(), opts, and wrapPI.

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Disc()

virtual void XrdOssWrapper::Disc ( XrdOucEnv &  env )

inlinevirtual

Notify storage system that a client has disconnected.

Parameters

env	- Reference to environmental information.

Reimplemented from XrdOss.

Definition at line 520 of file XrdOssWrapper.hh.

{wrapPI.Disc(env);}

References XrdOss::Disc(), and wrapPI.

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EnvInfo()

virtual void XrdOssWrapper::EnvInfo ( XrdOucEnv *  envP )

inlinevirtual

Notify storage system of initialization information (deprecated).

Parameters

envP	- Pointer to environmental information.

Reimplemented from XrdOss.

Definition at line 528 of file XrdOssWrapper.hh.

{wrapPI.EnvInfo(envP);}

References XrdOss::EnvInfo(), XrdProxy::envP, and wrapPI.

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Features()

virtual uint64_t XrdOssWrapper::Features ( )

inlinevirtual

Return storage system features.

Returns

Storage system features (see XRDOSS_HASxxx flags).

Reimplemented from XrdOss.

Definition at line 536 of file XrdOssWrapper.hh.

{return wrapPI.Features();}

References XrdOss::Features(), and wrapPI.

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FSctl()

virtual int XrdOssWrapper::FSctl ( int  cmd, int  alen, const char *  args, char **  resp = 0  )

inlinevirtual

Execute a special storage system operation.

Parameters

cmd	- The operation to be performed: XRDOSS_FSCTLFA - Perform proxy file attribute operation
alen	- Length of data pointed to by args.
args	- Data sent with request, zero if alen is zero.
resp	- Where the response is to be set, if any.

Returns

0 upon success or -errno or -osserr (see XrdOssError.hh).

Reimplemented from XrdOss.

Definition at line 550 of file XrdOssWrapper.hh.

                       {return wrapPI.FSctl(cmd, alen, args, resp);}

References XrdOss::FSctl(), and wrapPI.

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Init() [1/2]

virtual int XrdOssWrapper::Init ( XrdSysLogger *  lp, const char *  cfn  )

inlinevirtual

Initialize the storage system V1 (deprecated).

Parameters

lp	- Pointer to the message logging object.
cfn	- Pointer to the configuration file.

Returns

0 upon success or -errno or -osserr (see XrdOssError.hh).

Implements XrdOss.

Definition at line 562 of file XrdOssWrapper.hh.

                      {return wrapPI.Init(lp, cfn);}

References XrdOss::Init(), and wrapPI.

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Init() [2/2]

virtual int XrdOssWrapper::Init ( XrdSysLogger *  lp, const char *  cfn, XrdOucEnv *  envP  )

inlinevirtual

Initialize the storage system V2.

Parameters

lp	- Pointer to the message logging object.
cfn	- Pointer to the configuration file.
envP	- Pointer to environmental information.

Returns

0 upon success or -errno or -osserr (see XrdOssError.hh).

Reimplemented from XrdOss.

Definition at line 575 of file XrdOssWrapper.hh.

                      {return wrapPI.Init(lp, cfn, envP);}

References XrdProxy::envP, XrdOss::Init(), and wrapPI.

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Lfn2Pfn() [1/2]

virtual int XrdOssWrapper::Lfn2Pfn ( const char *  Path, char *  buff, int  blen  )

inlinevirtual

Translate logical name to physical name V1 (deprecated).

Parameters

Path	- Path in whose information is wanted.
buff	- Pointer to the buffer to hold the new path.
blen	- Length of the buffer.

Returns

0 upon success or -errno or -osserr (see XrdOssError.hh).

Reimplemented from XrdOss.

Definition at line 829 of file XrdOssWrapper.hh.

                         {return wrapPI.Lfn2Pfn(Path, buff, blen);}

References XrdOss::Lfn2Pfn(), Path, and wrapPI.

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Lfn2Pfn() [2/2]

virtual const char* XrdOssWrapper::Lfn2Pfn ( const char *  Path, char *  buff, int  blen, int &  rc  )

inlinevirtual

Translate logical name to physical name V2.

Parameters

Path	- Path in whose information is wanted.
buff	- Pointer to the buffer to hold the new path.
blen	- Length of the buffer.
rc	- Place where failure return code is to be returned: -errno or -osserr (see XrdOssError.hh).

Returns

Pointer to the translated path upon success or nil on failure.

Reimplemented from XrdOss.

Definition at line 844 of file XrdOssWrapper.hh.

                         {return wrapPI.Lfn2Pfn(Path, buff, blen, rc);}

References XrdOss::Lfn2Pfn(), Path, and wrapPI.

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Mkdir()

virtual int XrdOssWrapper::Mkdir ( const char *  path, mode_t  mode, int  mkpath = 0, XrdOucEnv *  envP = 0  )

inlinevirtual

Create a directory.

Parameters

path	- Pointer to the path of the directory to be created.
mode	- The directory mode setting.
mkpath	- When true the path is created if it does not exist.
envP	- Pointer to environmental information.

Returns

0 upon success or -errno or -osserr (see XrdOssError.hh).

Implements XrdOss.

Definition at line 589 of file XrdOssWrapper.hh.

                       {return wrapPI.Mkdir(path, mode, mkpath, envP);}

References XrdProxy::envP, XrdOss::Mkdir(), and wrapPI.

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newDir()

virtual XrdOssDF* XrdOssWrapper::newDir ( const char *  tident )

inlinevirtual

Obtain a new director object to be used for future directory requests.

Parameters

tident

- The trace identifier.

Returns

pointer- Pointer to a possibly wrapped XrdOssDF object.

nil - Insufficient memory to allocate an object.

Implements XrdOss.

Reimplemented in XrdOssStats::FileSystem.

Definition at line 459 of file XrdOssWrapper.hh.

                            {return wrapPI.newDir(tident);}

References XrdOss::newDir(), tident, and wrapPI.

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newFile()

virtual XrdOssDF* XrdOssWrapper::newFile ( const char *  tident )

inlinevirtual

Obtain a new file object to be used for a future file requests.

Parameters

tident

- The trace identifier.

Returns

pointer- Pointer to a possibly wrapped XrdOssDF object.

nil - Insufficient memory to allocate an object.

Implements XrdOss.

Reimplemented in XrdOssStats::FileSystem.

Definition at line 471 of file XrdOssWrapper.hh.

                             {return wrapPI.newFile(tident);}

References XrdOss::newFile(), tident, and wrapPI.

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Reloc()

virtual int XrdOssWrapper::Reloc ( const char *  tident, const char *  path, const char *  cgName, const char *  anchor = 0  )

inlinevirtual

Relocate/Copy the file at ‘path’ to a new location.

Parameters

tident	- -> trace identifier for this operation.
path	- -> fully qualified name of the file to relocate.
cgName	- -> target space name[:path]
anchor	- Processing directions (see XrdOssReloc.cc example).

Returns

0 upon success or -errno or -osserr (see XrdOssError.hh).

Reimplemented from XrdOss.

Definition at line 604 of file XrdOssWrapper.hh.

                       {return wrapPI.Reloc(tident,path,cgName,anchor);}

References XrdOss::Reloc(), tident, and wrapPI.

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Remdir()

virtual int XrdOssWrapper::Remdir ( const char *  path, int  Opts = 0, XrdOucEnv *  envP = 0  )

inlinevirtual

Remove a directory.

Parameters

path	- Pointer to the path of the directory to be removed.
Opts	- The processing options: XRDOSS_Online - only remove online copy XRDOSS_isPFN - path is already translated.
envP	- Pointer to environmental information.

Returns

0 upon success or -errno or -osserr (see XrdOssError.hh).

Implements XrdOss.

Definition at line 620 of file XrdOssWrapper.hh.

                        {return wrapPI.Remdir(path, Opts, envP);}

References XrdProxy::envP, XrdMpx::Opts, XrdOss::Remdir(), and wrapPI.

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Rename()

virtual int XrdOssWrapper::Rename ( const char *  oPath, const char *  nPath, XrdOucEnv *  oEnvP = 0, XrdOucEnv *  nEnvP = 0  )

inlinevirtual

Rename a file or directory.

Parameters

oPath	- Pointer to the path to be renamed.
nPath	- Pointer to the path oPath is to have.
oEnvP	- Environmental information for oPath.
nEnvP	- Environmental information for nPath.

Returns

0 upon success or -errno or -osserr (see XrdOssError.hh).

Implements XrdOss.

Reimplemented in XrdOssStats::FileSystem.

Definition at line 634 of file XrdOssWrapper.hh.

                        {return wrapPI.Rename(oPath, nPath, oEnvP, nEnvP);}

References XrdOss::Rename(), and wrapPI.

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Stat()

virtual int XrdOssWrapper::Stat ( const char *  path, struct stat *  buff, int  opts = 0, XrdOucEnv *  envP = 0  )

inlinevirtual

Return state information on a file or directory.

Parameters

path	- Pointer to the path in question.
buff	- Pointer to the structure where info it to be returned.
opts	- Options: XRDOSS_preop - this is a stat prior to open. XRDOSS_resonly - only look for resident files. XRDOSS_updtatm - update file access time.
envP	- Pointer to environmental information.

Returns

0 upon success or -errno or -osserr (see XrdOssError.hh).

Implements XrdOss.

Reimplemented in XrdOssStats::FileSystem.

Definition at line 652 of file XrdOssWrapper.hh.

                      {return wrapPI.Stat(path, buff, opts, envP);}

References XrdProxy::envP, opts, XrdOss::Stat(), and wrapPI.

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StatFS()

virtual int XrdOssWrapper::StatFS ( const char *  path, char *  buff, int &  blen, XrdOucEnv *  envP = 0  )

inlinevirtual

Return filesystem physical space information associated with a path.

Parameters

path	- Path in the partition in question.
buff	- Pointer to the buffer to hold the information.
blen	- Length of the buffer. This is updated with the actual number of bytes placed in the buffer as in snprintf().
envP	- Pointer to environmental information.

Returns

"<wval> <fsp> <utl> <sval> <fsp> <utl>" where: <wval> is "0" if XRDEXP_NOTRW specified, otherwise "1" <fsp> is free space in megabytes. <utl> is percentage utilization (i.e. allocated space) <sval> is "1' if XRDEXP_STAGE specified, otherwise "0" Upon failure -errno or -osserr (see XrdOssError.hh) returned.

Reimplemented from XrdOss.

Reimplemented in XrdOssStats::FileSystem.

Definition at line 685 of file XrdOssWrapper.hh.

                        {return wrapPI.StatFS(path, buff, blen, envP);}

References XrdProxy::envP, XrdOss::StatFS(), and wrapPI.

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StatLS()

virtual int XrdOssWrapper::StatLS ( XrdOucEnv &  env, const char *  path, char *  buff, int &  blen  )

inlinevirtual

Return filesystem physical space information associated with a space name.

Parameters

env	- Ref to environmental information. If the environment has the key oss.cgroup defined, the associated value is used as the space name and the path is ignored.
path	- Path in the name space in question. The space name associated with gthe path is used unless overridden.
buff	- Pointer to the buffer to hold the information.
blen	- Length of the buffer. This is updated with the actual number of bytes placed in the buffer as in snprintf().

Returns

"oss.cgroup=<name>&oss.space=<totbytes>&oss.free=<freebytes> &oss.maxf=<maxcontigbytes>&oss.used=<bytesused> &oss.quota=<quotabytes>" in buff upon success. Upon failure -errno or -osserr (see XrdOssError.hh) returned.

Reimplemented from XrdOss.

Reimplemented in XrdOssStats::FileSystem.

Definition at line 707 of file XrdOssWrapper.hh.

                        {return wrapPI.StatLS(env, path, buff, blen);}

References XrdOss::StatLS(), and wrapPI.

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StatPF() [1/2]

virtual int XrdOssWrapper::StatPF ( const char *  path, struct stat *  buff  )

inlinevirtual

Reimplemented from XrdOss.

Reimplemented in XrdOssStats::FileSystem.

Definition at line 734 of file XrdOssWrapper.hh.

                        {return wrapPI.StatPF(path, buff);}

References XrdOss::StatPF(), and wrapPI.

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StatPF() [2/2]

virtual int XrdOssWrapper::StatPF ( const char *  path, struct stat *  buff, int  opts  )

inlinevirtual

Return state information on a resident physical file or directory.

Parameters

path	- Pointer to the path in question.
buff	- Pointer to the structure where info it to be returned.
opts	- Options: PF_dInfo - provide bdevID in st_rdev and partID in st_dev based on path. If path is nil then the contents of the of buff is used as the input source. PF_dNums - provide number of bdev's in st_rdev and the number of partitions in st_dev. The path argument is ignored. This superceeds PF_dInfo. PF_dStat - provide file state flags in st_rdev as shown below. Path may not be nil. This supercedes PF_dInfo and PF_dNums. PF_isLFN - Do N2N translation on path (default is none).

Returns

0 upon success or -errno or -osserr (see XrdOssError.hh).

Reimplemented from XrdOss.

Reimplemented in XrdOssStats::FileSystem.

Definition at line 731 of file XrdOssWrapper.hh.

                        {return wrapPI.StatPF(path, buff, opts);}

References opts, XrdOss::StatPF(), and wrapPI.

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Stats()

virtual int XrdOssWrapper::Stats ( char *  buff, int  blen  )

inlinevirtual

Return statistics.

Parameters

buff	- Pointer to the buffer to hold statistics.
blen	- Length of the buffer.

Returns

The number of bytes placed in the buffer excluding null byte.

Reimplemented from XrdOss.

Definition at line 665 of file XrdOssWrapper.hh.

                       {return wrapPI.Stats(buff, blen);}

References XrdOss::Stats(), and wrapPI.

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StatVS()

virtual int XrdOssWrapper::StatVS ( XrdOssVSInfo *  vsP, const char *  sname = 0, int  updt = 0  )

inlinevirtual

Return space information for a space name.

Parameters

vsP	- Pointer to the XrdOssVSInfo object to hold results. It should be fully initialized (i.e. a new copy).
sname	- Pointer to the space name. If the name starts with a plus (e.g. "+public"), partition information is returned, should it exist. If nil, space information for all spaces is returned. See, XrdOssVS.hh for more info.
updt	- When true, a space update occurrs prior to a query.

Returns

0 upon success or -errno or -osserr (see XrdOssError.hh).

Reimplemented from XrdOss.

Reimplemented in XrdOssStats::FileSystem.

Definition at line 751 of file XrdOssWrapper.hh.

                        {return wrapPI.StatVS(vsP, sname, updt);}

References XrdOss::StatVS(), and wrapPI.

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StatXA()

virtual int XrdOssWrapper::StatXA ( const char *  path, char *  buff, int &  blen, XrdOucEnv *  envP = 0  )

inlinevirtual

Return logical extended attributes associated with a path.

Parameters

path	- Path in whose information is wanted.
buff	- Pointer to the buffer to hold the information.
blen	- Length of the buffer. This is updated with the actual number of bytes placed in the buffer as in snprintf().
envP	- Pointer to environmental information.

Returns

"oss.cgroup=<name>&oss.type={'f'|'d'|'o'}&oss.used=<totbytes> &oss.mt=<mtime>&oss.ct=<ctime>&oss.at=<atime>&oss.u=*&oss.g=* &oss.fs={'w'|'r'}" Upon failure -errno or -osserr (see XrdOssError.hh) returned.

Reimplemented from XrdOss.

Reimplemented in XrdOssStats::FileSystem.

Definition at line 769 of file XrdOssWrapper.hh.

                        {return wrapPI.StatXA(path, buff, blen, envP);}

References XrdProxy::envP, XrdOss::StatXA(), and wrapPI.

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StatXP()

virtual int XrdOssWrapper::StatXP ( const char *  path, unsigned long long &  attr, XrdOucEnv *  envP = 0  )

inlinevirtual

Return export attributes associated with a path.

Parameters

path	- Path in whose information is wanted.
attr	- Reference to where the inforamation is to be stored.
envP	- Pointer to environmental information.

Returns

0 upon success or -errno or -osserr (see XrdOssError.hh).

Reimplemented from XrdOss.

Reimplemented in XrdOssStats::FileSystem.

Definition at line 783 of file XrdOssWrapper.hh.

                        {return wrapPI.StatXP(path, attr, envP);}

References XrdProxy::envP, XrdOss::StatXP(), and wrapPI.

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Truncate()

virtual int XrdOssWrapper::Truncate ( const char *  path, unsigned long long  fsize, XrdOucEnv *  envP = 0  )

inlinevirtual

Truncate a file.

Parameters

path	- Pointer to the path of the file to be truncated.
fsize	- The size that the file is to have.
envP	- Pointer to environmental information.

Returns

0 upon success or -errno or -osserr (see XrdOssError.hh).

Implements XrdOss.

Reimplemented in XrdOssStats::FileSystem.

Definition at line 797 of file XrdOssWrapper.hh.

                          {return wrapPI.Truncate(path, fsize, envP);}

References XrdProxy::envP, XrdOss::Truncate(), and wrapPI.

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Unlink()

virtual int XrdOssWrapper::Unlink ( const char *  path, int  Opts = 0, XrdOucEnv *  envP = 0  )

inlinevirtual

Remove a file.

Parameters

path	- Pointer to the path of the file to be removed.
Opts	- Options: XRDOSS_isMIG - this is a migratable path. XRDOSS_isPFN - do not apply name2name to path. XRDOSS_Online - remove only the online copy.
envP	- Pointer to environmental information.

Returns

0 upon success or -errno or -osserr (see XrdOssError.hh).

Implements XrdOss.

Reimplemented in XrdOssStats::FileSystem.

Definition at line 814 of file XrdOssWrapper.hh.

                        {return wrapPI.Unlink(path, Opts, envP);}

References XrdProxy::envP, XrdMpx::Opts, XrdOss::Unlink(), and wrapPI.

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Member Data Documentation

wrapPI

XrdOss& XrdOssWrapper::wrapPI

protected

Definition at line 861 of file XrdOssWrapper.hh.

Referenced by XrdOssStats::FileSystem::Chmod(), Chmod(), Connect(), Create(), Disc(), EnvInfo(), Features(), FSctl(), Init(), Lfn2Pfn(), Mkdir(), newDir(), XrdOssStats::FileSystem::newDir(), newFile(), XrdOssStats::FileSystem::newFile(), Reloc(), Remdir(), Rename(), XrdOssStats::FileSystem::Rename(), XrdOssStats::FileSystem::Stat(), Stat(), XrdOssStats::FileSystem::StatFS(), StatFS(), StatLS(), XrdOssStats::FileSystem::StatLS(), StatPF(), XrdOssStats::FileSystem::StatPF(), Stats(), StatVS(), XrdOssStats::FileSystem::StatVS(), XrdOssStats::FileSystem::StatXA(), StatXA(), XrdOssStats::FileSystem::StatXP(), StatXP(), XrdOssStats::FileSystem::Truncate(), Truncate(), XrdOssStats::FileSystem::Unlink(), and Unlink().

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

• XrdOssWrapper.hh