def finish_dump(self):
if self.compression_active:
self.body_dumper.stop_compression()
self.compression_active = False
if self.encryption_active:
self.body_dumper.stop_encryption()
#
# Serialize the body block table
#
body_table_io = StringIO.StringIO()
body_blocks = self.body_dumper.get_blocks()
serialize_blocks(body_table_io, body_blocks)
body_table_str = body_table_io.getvalue()
#
# Serialize the header table
#
message = "Manent container %d of sequence '%s'" % (
self.index, base64.urlsafe_b64encode(self.sequence_id))
self.header_dumper.add_block(Digest.dataDigest(message),
CODE_CONTAINER_DESCRIPTOR, message)
self.header_dumper.add_block(Digest.dataDigest(body_table_str),
CODE_BLOCK_TABLE, body_table_str)
if self.encryption_active:
self.header_dumper.stop_encryption()
self.encryption_active = False
header_blocks = self.header_dumper.get_blocks()
header_table_io = StringIO.StringIO()
serialize_blocks(header_table_io, header_blocks)
header_table_str = header_table_io.getvalue()
#
# Write the header
#
assert self.header_file.tell() == 0
self.header_file.write(MAGIC)
Format.write_int(self.header_file, VERSION)
Format.write_int(self.header_file, self.index)
Format.write_int(self.header_file, len(header_table_str))
self.header_file.write(Digest.dataDigest(header_table_str))
self.header_file.write(header_table_str)
header_dump_str = self.header_dump_os.getvalue()
Format.write_int(self.header_file, len(header_dump_str))
self.header_file.write(header_dump_str)
logging.debug("Container %d has header of size %d" %
(self.index, self.header_file.tell()))
def serialize_blocks(file, blocks):
for (digest,size,code) in blocks:
file.write(digest)
Format.write_int(file,size)
Format.write_int(file,code)