hipo::datastreamXrootd Class Reference

Data stream implementation for XRootD remote file access. More...

#include <datastream.h>

Public Member Functions
	datastreamXrootd ()
	Default constructor. More...
	~datastreamXrootd ()
	Destructor; closes the remote connection. More...
long	size ()
long	position ()
long	position (long pos)
	Seek to the given byte position. More...
void	open (const char *filename)
	Open a remote file via XRootD. More...
int	read (char *s, int size)
	Read bytes from the remote file. More...

Detailed Description

Data stream implementation for XRootD remote file access.

Definition at line 153 of file datastream.h.

Constructor & Destructor Documentation

datastreamXrootd()

hipo::datastreamXrootd::datastreamXrootd

(

)

Default constructor.

The constructor for reader, printWarning routine will printout a warning message if the library was not compiled with compression libraries LZ4 or GZIP

Definition at line 51 of file datastream.cpp.

~datastreamXrootd()

hipo::datastreamXrootd::~datastreamXrootd

(

)

Destructor; closes the remote connection.

Default destructor. Does nothing

Definition at line 61 of file datastream.cpp.

Member Function Documentation

open()

void hipo::datastreamXrootd::open

(

const char *

filename

)

Open a remote file via XRootD.

Parameters

filename

XRootD URL of the file

Definition at line 68 of file datastream.cpp.

position() [1/2]

long hipo::datastreamXrootd::position

(

)

Returns

Current read position in bytes.

Definition at line 87 of file datastream.cpp.

position() [2/2]

long hipo::datastreamXrootd::position

(

long

pos

)

Seek to the given byte position.

Parameters

pos	Byte offset from the beginning

Returns

The new position

Definition at line 88 of file datastream.cpp.

read()

int hipo::datastreamXrootd::read	(	char *	s,
		int	size
	)

Read bytes from the remote file.

Parameters

s	Destination buffer
size	Number of bytes to read

Returns

Number of bytes read

Definition at line 89 of file datastream.cpp.

size()

long hipo::datastreamXrootd::size

(

)

Returns

Total size of the remote file in bytes.

Definition at line 76 of file datastream.cpp.

---

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

• hipo4/datastream.h
• hipo4/datastream.cpp