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add routing fields to mesh messages

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This commit is contained in:
Laura Klünder 2022-04-06 17:25:46 +02:00
parent 683f80ef75
commit e7a4effc99
2 changed files with 14 additions and 4 deletions
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10
src/c3nav/mesh/messages.py
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@ -46,6 +46,9 @@ class MacAddressesListFormat:
@dataclass
class Message:
dst: str = field(metadata={'format': MacAddressFormat()})
src: str = field(metadata={'format': MacAddressFormat()})
msg_id: int = field(metadata={'format': SimpleFormat('B')}, init=False)
msg_types = {}
# noinspection PyMethodOverriding
@ -56,18 +59,19 @@ class Message:
Message.msg_types[msg_id] = cls
def encode(self):
data = bytes((self.msg_id, ))
data = bytes()
for field_ in fields(self):
data += field_.metadata['format'].encode(getattr(self, field_.name))
return data
@classmethod
def decode(cls, data: bytes):
klass = cls.msg_types[data[0]]
data = data[1:]
print('decode', ' '.join(('%02x' % i) for i in data))
klass = cls.msg_types[data[12]]
values = {}
for field_ in fields(klass):
values[field_.name], data = field_.metadata['format'].decode(data)
values.pop('msg_id')
return klass(**values)