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/*
* Metadata functions for the Python object definition of the libsmdev handle
*
* Copyright (C) 2010-2016, Joachim Metz <joachim.metz@gmail.com>
*
* Refer to AUTHORS for acknowledgements.
*
* This software is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this software. If not, see <http://www.gnu.org/licenses/>.
*/
#include <common.h>
#include <types.h>
#include "pysmdev_error.h"
#include "pysmdev_handle.h"
#include "pysmdev_integer.h"
#include "pysmdev_libcerror.h"
#include "pysmdev_libcstring.h"
#include "pysmdev_libsmdev.h"
#include "pysmdev_metadata.h"
#include "pysmdev_python.h"
#include "pysmdev_unused.h"
/* Retrieves the size of the media data
* Returns a Python object holding the offset if successful or NULL on error
*/
PyObject *pysmdev_handle_get_media_size(
pysmdev_handle_t *pysmdev_handle,
PyObject *arguments PYSMDEV_ATTRIBUTE_UNUSED )
{
libcerror_error_t *error = NULL;
PyObject *integer_object = NULL;
static char *function = "pysmdev_handle_get_media_size";
size64_t media_size = 0;
int result = 0;
PYSMDEV_UNREFERENCED_PARAMETER( arguments )
if( pysmdev_handle == NULL )
{
PyErr_Format(
PyExc_TypeError,
"%s: invalid handle.",
function );
return( NULL );
}
Py_BEGIN_ALLOW_THREADS
result = libsmdev_handle_get_media_size(
pysmdev_handle->handle,
&media_size,
&error );
Py_END_ALLOW_THREADS
if( result != 1 )
{
pysmdev_error_raise(
error,
PyExc_IOError,
"%s: unable to retrieve media size.",
function );
libcerror_error_free(
&error );
return( NULL );
}
integer_object = pysmdev_integer_unsigned_new_from_64bit(
(uint64_t) media_size );
return( integer_object );
}
/* Retrieves the number of bytes per sector
* Returns a Python object holding the offset if successful or NULL on error
*/
PyObject *pysmdev_handle_get_bytes_per_sector(
pysmdev_handle_t *pysmdev_handle,
PyObject *arguments PYSMDEV_ATTRIBUTE_UNUSED )
{
libcerror_error_t *error = NULL;
PyObject *integer_object = NULL;
static char *function = "pysmdev_handle_get_bytes_per_sector";
uint32_t bytes_per_sector = 0;
int result = 0;
PYSMDEV_UNREFERENCED_PARAMETER( arguments )
if( pysmdev_handle == NULL )
{
PyErr_Format(
PyExc_TypeError,
"%s: invalid handle.",
function );
return( NULL );
}
Py_BEGIN_ALLOW_THREADS
result = libsmdev_handle_get_bytes_per_sector(
pysmdev_handle->handle,
&bytes_per_sector,
&error );
Py_END_ALLOW_THREADS
if( result == -1 )
{
pysmdev_error_raise(
error,
PyExc_IOError,
"%s: unable to retrieve bytes per sector.",
function );
libcerror_error_free(
&error );
return( NULL );
}
else if( result == 0 )
{
Py_IncRef(
Py_None );
return( Py_None );
}
integer_object = pysmdev_integer_unsigned_new_from_64bit(
(uint64_t) bytes_per_sector );
return( integer_object );
}
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