LocalFileObject Class Reference

#include <FileObject.h>

Inherits FileObject.

Public Member Functions
	LocalFileObject (char *name)
bool	Open (unsigned int mode, char *md5sum=NULL)
int	Close ()
int	Read (char *buf, int size)
int	Write (char *buf, int size, char *md5sum)
RioObjectSize	getSize ()
bool	getVideoRate (unsigned int *VideoRate)
	GetVideoRate retorna a taxa de transmissao (em Kbps) de video default (pois os arquivos locais nao possuem uma taxa de video).
bool	setVideoRate (unsigned int VideoRate)
	SetVideoRate Esta funcao nao faz nada e somente e definida porque precisamos definir todas as funcoes abstratas.
Static Public Attributes
static const unsigned int	DEFAULT_PERM = 0666
Private Attributes
char	filename [MAXNAMELEN]
int	fd

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Detailed Description

Definition at line 51 of file FileObject.h.

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Constructor & Destructor Documentation

LocalFileObject::LocalFileObject

(

char *

name

)

Definition at line 56 of file FileObject.cpp.

{
    strcpy( this->filename, filename );
}

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Member Function Documentation

int LocalFileObject::Close

(

)

[virtual]

Implements FileObject.

Definition at line 69 of file FileObject.cpp.

{
    return close( fd );
}

RioObjectSize LocalFileObject::getSize

(

)

[virtual]

Implements FileObject.

Definition at line 84 of file FileObject.cpp.

{
    #ifndef WINDOWS
    loff_t size;
    loff_t curPos;
    //unsigned int poshigh,poslow;
    //syscall( __NR__llseek, fd, 0, 0, &curPos, SEEK_CUR );
    //poshigh = (curPos >> 32 ) & 0xffffffff;
    //poslow  = (curPos) & 0xffffffff;
    //syscall( __NR__llseek, fd, 0, 0, &size, SEEK_END );
    //syscall( __NR__llseek, fd, poshigh, poslow, &curPos, SEEK_SET );
    curPos = lseek64( fd, 0, SEEK_CUR );
    size = lseek64( fd, 0, SEEK_END );
    curPos = lseek64( fd, curPos, SEEK_SET );
    #else
        #ifdef __RIO_IRIX
        off64_t curPos;
        off64_t size;
        curPos = lseek64( fd, 0, SEEK_CUR );
        size=lseek64( fd, 0, SEEK_END );
        lseek( fd, curPos, SEEK_SET );
        #else
        offset_t curPos;
        offset_t size;
        curPos = llseek( fd, 0, SEEK_CUR );
        size=llseek( fd, 0, SEEK_END );
        llseek( fd, curPos, SEEK_SET );
        #endif
    #endif
    return size;
}

bool LocalFileObject::getVideoRate

(

unsigned int *

VideoRate

)

[virtual]

GetVideoRate retorna a taxa de transmissao (em Kbps) de video default (pois os arquivos locais nao possuem uma taxa de video).

Parameters:

VideoRate

ponteiro para o inteiro nao sinalizado que armazenara a taxa de transmissao do video.

Returns:

sempre sera true.

Implements FileObject.

Definition at line 122 of file FileObject.cpp.

{
    *VideoRate = DEFAULTVIDEORATE;
    return true;
}

bool LocalFileObject::Open	(	unsigned int	mode,
		char *	md5sum = NULL
	)			[virtual]

Implements FileObject.

Definition at line 62 of file FileObject.cpp.

{
    fd = open( filename, mode, DEFAULT_PERM );

    return ( fd != -1 );
}

int LocalFileObject::Read	(	char *	buf,
		int	size
	)			[virtual]

Implements FileObject.

Definition at line 74 of file FileObject.cpp.

{
    return read( fd, buf, size );
}

bool LocalFileObject::setVideoRate

(

unsigned int

VideoRate

)

[virtual]

SetVideoRate Esta funcao nao faz nada e somente e definida porque precisamos definir todas as funcoes abstratas.

Parameters:

VideoRate

nao usado.

Returns:

sempre true.

Implements FileObject.

Definition at line 130 of file FileObject.cpp.

{
    return true;
}

int LocalFileObject::Write	(	char *	buf,
		int	size,
		char *	md5sum
	)			[virtual]

Implements FileObject.

Definition at line 79 of file FileObject.cpp.

{
    return write(fd, buf, size);
}

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Field Documentation

const unsigned int LocalFileObject::DEFAULT_PERM = 0666 [static]

Definition at line 62 of file FileObject.h.

int LocalFileObject::fd [private]

Definition at line 86 of file FileObject.h.

char LocalFileObject::filename[MAXNAMELEN] [private]

Definition at line 85 of file FileObject.h.

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

• FileObject.h
• FileObject.cpp