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Fixed incorrect payload size error in FusionEngineDecoder. #429

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Merged
adamshapiro0 merged 1 commit into from
Aug 4, 2026
Merged

Fixed incorrect payload size error in FusionEngineDecoder. #429

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5 changes: 3 additions & 2 deletions python/fusion_engine_client/parsers/decoder.py
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Original file line number Diff line number Diff line change
Expand Up @@ -257,11 +257,12 @@ def on_data(self, data: Union[bytes, int]) -> List[Union[MessageTuple, MessageWi
# Get the class for the received message type and deserialize the message payload. If cls is not None, it is
# a child of @ref MessagePayload that maps to the received @ref MessageType.
cls = message_type_to_class.get(self._header.message_type, None)
payload = bytes(self._buffer[MessageHeader.calcsize():self._msg_len])
contents = None
if cls is not None:
contents = cls()
try:
contents.unpack(buffer=self._buffer, offset=MessageHeader.calcsize())
contents.unpack(buffer=payload, offset=0)
_logger.debug('Decoded FusionEngine message %s.', repr(contents))
except NotImplementedError as e:
print_func = _logger.warning if self._warn_on_unrecognized else _logger.debug
Expand All @@ -277,7 +278,7 @@ def on_data(self, data: Union[bytes, int]) -> List[Union[MessageTuple, MessageWi
self._header.message_type, self._header.payload_size_bytes)

if contents is None:
contents = bytes(self._buffer[MessageHeader.calcsize():self._msg_len])
contents = payload

# Store the result.
result = [self._header, contents]
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