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Fix hop limit handling in the Mesh Header in the Python framework. (#1186)

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Przemysław Fierek
2017-01-23 09:15:06 -08:00
committed by Jonathan Hui
parent 50db58ddce
commit 0d6866e013
2 changed files with 45 additions and 1 deletions
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tests/scripts/thread-cert/lowpan.py
+9 -1
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@@ -849,7 +849,11 @@ class LowpanMeshHeaderFactory:
is_short_originator_address = bool(data_byte & 0x20)
is_short_final_destination_address = bool(data_byte & 0x10)
hops_left = (data_byte & 0x0f)
if (data_byte & 0x0f) != 0x0f:
hops_left = (data_byte & 0x0f)
else:
hops_left = ord(data.read(1))
originator_address = self._parse_address(data, is_short_originator_address)
final_destination_address = self._parse_address(data, is_short_final_destination_address)
@@ -1091,3 +1095,7 @@ class LowpanParser(object):
elif self._is_iphc(first_byte):
return self._handle_iphc_header(data, message_info)
else:
raise RuntimeError("Unsupported header type: 0x{:02x}".format(first_byte))