def combine(
self, existing_options: Iterable[SIPServersDomainNameListOption]
) -> SIPServersDomainNameListOption:
"""
Combine multiple options into one.
:param existing_options: The existing options to include NTP servers from
:return: The combined option
"""
domain_names = []
# Add from existing options first
for option in existing_options:
for domain_name in option.domain_names:
if domain_name not in domain_names:
domain_names.append(domain_name)
# Then add our own
for domain_name in self.option.domain_names:
if domain_name not in domain_names:
domain_names.append(domain_name)
# And return a new option with the combined addresses
return SIPServersDomainNameListOption(domain_names=domain_names)
def setUp(self):
self.option_bytes = bytes.fromhex('0015000d') + b'\x08steffann\x02nl\x00'
self.option_object = SIPServersDomainNameListOption(domain_names=['steffann.nl'])
self.parse_option()
def __init__(self, domain_names: Iterable[str], always_send: bool = False):
option = SIPServersDomainNameListOption(domain_names=domain_names)
option.validate()
super().__init__(option, always_send=always_send)
