def load_from(self, buffer: bytes, offset: int = 0, length: int = None) -> int:
my_offset, option_len = self.parse_option_header(buffer, offset, length)
header_offset = my_offset
# Parse the domain labels
max_offset = option_len + header_offset # The option_len field counts bytes *after* the header fields
domain_names_len, self.search_list = parse_domain_list_bytes(buffer,
offset=offset + my_offset, length=option_len)
my_offset += domain_names_len
if my_offset != max_offset:
raise ValueError('Option length does not match the combined length of the included search domains')
self.validate()
return my_offset
def load_from(self, buffer: bytes, offset: int = 0, length: int = None) -> int:
"""
Load the internal state of this object from the given buffer. The buffer may contain more data after the
structured element is parsed. This data is ignored.
:param buffer: The buffer to read data from
:param offset: The offset in the buffer where to start reading
:param length: The amount of data we are allowed to read from the buffer
:return: The number of bytes used from the buffer
"""
my_offset, option_len = self.parse_option_header(buffer, offset, length)
# Parse the domain labels
parsed_len, self.domain_names = parse_domain_list_bytes(buffer, offset=offset + my_offset, length=option_len)
my_offset += parsed_len
return my_offset
def load_from(self, buffer: bytes, offset: int = 0, length: int = None) -> int:
"""
Load the internal state of this object from the given buffer. The buffer may contain more data after the
structured element is parsed. This data is ignored.
:param buffer: The buffer to read data from
:param offset: The offset in the buffer where to start reading
:param length: The amount of data we are allowed to read from the buffer
:return: The number of bytes used from the buffer
"""
my_offset, option_len = self.parse_option_header(buffer, offset, length)
# Parse the domain labels
parsed_len, self.domain_names = parse_domain_list_bytes(buffer, offset=offset + my_offset, length=option_len)
my_offset += parsed_len
self.validate()
return my_offset
def load_from(self,
buffer: bytes,
offset: int = 0,
length: int = None) -> int:
my_offset, option_len = self.parse_option_header(
buffer, offset, length)
header_offset = my_offset
# Parse the domain labels
max_offset = option_len + header_offset # The option_len field counts bytes *after* the header fields
domain_names_len, self.search_list = parse_domain_list_bytes(
buffer, offset=offset + my_offset, length=option_len)
my_offset += domain_names_len
if my_offset != max_offset:
raise ValueError(
'Option length does not match the combined length of the included search domains'
)
self.validate()
return my_offset
def load_from(self, buffer: bytes, offset: int = 0, length: int = None) -> int:
"""
Load the internal state of this object from the given buffer. The buffer may contain more data after the
structured element is parsed. This data is ignored.
:param buffer: The buffer to read data from
:param offset: The offset in the buffer where to start reading
:param length: The amount of data we are allowed to read from the buffer
:return: The number of bytes used from the buffer
"""
my_offset, option_len = self.parse_option_header(buffer, offset, length)
header_offset = my_offset
# Parse the domain labels
max_offset = option_len + header_offset # The option_len field counts bytes *after* the header fields
parsed_len, self.domain_names = parse_domain_list_bytes(buffer, offset=offset + my_offset, length=option_len)
my_offset += parsed_len
if my_offset != max_offset:
raise ValueError('Option length does not match the combined length of the included domain names')
self.validate()
return my_offset
def test_parse_good(self):
offset, domain_names = parse_domain_list_bytes(self.good_domains_bytes)
self.assertEqual(offset, len(self.good_domains_bytes))
self.assertListEqual(domain_names, self.good_domains_list)
def test_parse_good(self):
offset, domain_names = parse_domain_list_bytes(self.good_domains_bytes)
self.assertEqual(offset, len(self.good_domains_bytes))
self.assertListEqual(domain_names, self.good_domains_list)