def blocks_create_new(self, free_blks, name, hash_chain_blk, parent_blk, meta_info):
# assign block numbers
fhb_num = free_blks[0]
# ... for ext
self.ext_blk_nums = []
for i in xrange(self.num_ext_blks):
self.ext_blk_nums.append(free_blks[1+i])
# ... for data
off = 1 + self.num_ext_blks
self.data_blk_nums = []
for i in xrange(self.num_data_blks):
self.data_blk_nums.append(free_blks[off])
off += 1
ppb = self.volume.blkdev.block_longs - 56 # data pointer per block
# create file header block
fhb = FileHeaderBlock(self.blkdev, fhb_num)
byte_size = len(self.data)
if self.num_data_blks > ppb:
hdr_blks = self.data_blk_nums[0:ppb]
hdr_ext = self.ext_blk_nums[0]
else:
hdr_blks = self.data_blk_nums
hdr_ext = 0
fhb.create(parent_blk, name.get_ami_str(), hdr_blks, hdr_ext, byte_size, meta_info.get_protect(), meta_info.get_comment_ami_str(), meta_info.get_mod_ts(), hash_chain_blk)
fhb.write()
self.set_block(fhb)
# create file list (=ext) blocks
ext_off = ppb
for i in xrange(self.num_ext_blks):
flb = FileListBlock(self.blkdev, self.ext_blk_nums[i])
if i == self.num_ext_blks - 1:
ext_blk = 0
blks = self.data_blk_nums[ext_off:]
else:
ext_blk = self.ext_blk_nums[i+1]
blks = self.data_blk_nums[ext_off:ext_off+ppb]
flb.create(fhb_num, blks, ext_blk)
flb.write()
self.ext_blks.append(flb)
ext_off += ppb
# write data blocks
self.write()
self.valid = True
return fhb_num
