class RawBlockDevice(BlockDevice):
def __init__(self, raw_file, read_only=False, block_bytes=512, fobj=None):
self.img_file = ImageFile(raw_file, read_only, block_bytes, fobj)
def create(self, num_blocks):
self.img_file.create(num_blocks)
self.open()
self.num_blocks = num_blocks
def open(self):
self.img_file.open()
# calc block longs
self.block_bytes = self.img_file.block_bytes
self.block_longs = self.block_bytes / 4
self.num_blocks = self.img_file.num_blocks
def flush(self):
self.img_file.flush()
def close(self):
self.img_file.close()
def read_block(self, blk_num):
return self.img_file.read_blk(blk_num)
def write_block(self, blk_num, data):
self.img_file.write_blk(blk_num, data)
class RawBlockDevice(BlockDevice):
def __init__(self, raw_file, read_only=False, block_bytes=512, fobj=None):
self.img_file = ImageFile(raw_file, read_only, block_bytes, fobj)
def create(self, num_blocks):
self.img_file.create(num_blocks)
self.open()
self.num_blocks = num_blocks
def open(self):
self.img_file.open()
# calc block longs
self.block_bytes = self.img_file.block_bytes
self.block_longs = self.block_bytes / 4
self.num_blocks = self.img_file.num_blocks
def flush(self):
self.img_file.flush()
def close(self):
self.img_file.close()
def read_block(self, blk_num):
return self.img_file.read_blk(blk_num)
def write_block(self, blk_num, data):
self.img_file.write_blk(blk_num, data)
class HDFBlockDevice(BlockDevice):
def __init__(self, hdf_file, read_only=False, block_size=512, fobj=None):
self.img_file = ImageFile(hdf_file, read_only, block_size, fobj)
def create(self, geo, reserved=2):
self._set_geometry(geo.cyls, geo.heads, geo.secs, reserved=reserved)
self.img_file.create(geo.get_num_blocks())
self.img_file.open()
def open(self, geo, reserved=2):
self._set_geometry(geo.cyls, geo.heads, geo.secs, reserved=reserved)
self.img_file.open()
def flush(self):
pass
def close(self):
self.img_file.close()
def read_block(self, blk_num):
return self.img_file.read_blk(blk_num)
def write_block(self, blk_num, data):
return self.img_file.write_blk(blk_num, data)
class HDFBlockDevice(BlockDevice):
def __init__(self, hdf_file, read_only=False, block_size=512, fobj=None):
self.img_file = ImageFile(hdf_file, read_only, block_size, fobj)
def create(self, geo, reserved=2):
self._set_geometry(geo.cyls, geo.heads, geo.secs, reserved=reserved)
self.img_file.create(geo.get_num_blocks())
self.img_file.open()
def open(self, geo, reserved=2):
self._set_geometry(geo.cyls, geo.heads, geo.secs, reserved=reserved)
self.img_file.open()
def flush(self):
pass
def close(self):
self.img_file.close()
def read_block(self, blk_num):
return self.img_file.read_blk(blk_num)
def write_block(self, blk_num, data):
return self.img_file.write_blk(blk_num, data)
