def read(self):
# read fs header
self.fshd = FSHeaderBlock(self.blkdev, self.blk_num)
if not self.fshd.read():
self.valid = False
return False
# read lseg blocks
lseg_blk = self.fshd.dev_node.seg_list_blk
self.lsegs = []
data = ""
while lseg_blk != 0xffffffff:
ls = LoadSegBlock(self.blkdev, lseg_blk)
if not ls.read():
self.valid = False
return False
lseg_blk = ls.next
data += ls.get_data()
self.lsegs.append(ls)
self.data = data
return True
def read(self):
# read fs header
self.fshd = FSHeaderBlock(self.blkdev, self.blk_num)
if not self.fshd.read():
self.valid = False
return False
# read lseg blocks
lseg_blk = self.fshd.dev_node.seg_list_blk
self.lsegs = []
data = b""
while lseg_blk != 0xFFFFFFFF:
ls = LoadSegBlock(self.blkdev, lseg_blk)
if not ls.read():
self.valid = False
return False
lseg_blk = ls.next
data += ls.get_data()
self.lsegs.append(ls)
self.data = data
return True
