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num_bytes_written += mqtt_io.encode_utf8(self.password, f)
return num_bytes_written"
1170,"def decode_body(cls, header, f):
""""""Generates a `MqttSubscribe` packet given a
`MqttFixedHeader`. This method asserts that header.packet_type
is `subscribe`.
Parameters
----------
header: MqttFixedHeader
f: file
Object with a read method.
Raises
------
DecodeError
When there are extra bytes at the end of the packet.
Returns
-------
int
Number of bytes consumed from ``f``.
MqttSubscribe
Object extracted from ``f``.
""""""
assert header.packet_type == MqttControlPacketType.subscribe
decoder = mqtt_io.FileDecoder(mqtt_io.LimitReader(f, header.remaining_len))
packet_id, = decoder.unpack(mqtt_io.FIELD_PACKET_ID)
topics = []
while header.remaining_len > decoder.num_bytes_consumed:
num_str_bytes, name = decoder.unpack_utf8()
max_qos, = decoder.unpack(mqtt_io.FIELD_U8)
try:
sub_topic = MqttTopic(name, max_qos)
except ValueError:
raise DecodeError('Invalid QOS {}'.format(max_qos))
topics.append(sub_topic)
assert header.remaining_len == decoder.num_bytes_consumed
return decoder.num_bytes_consumed, MqttSubscribe(packet_id, topics)"
1171,"def decode_body(cls, header, f):
""""""Generates a `MqttSuback` packet given a
`MqttFixedHeader`. This method asserts that header.packet_type
is `suback`.
Parameters
----------
header: MqttFixedHeader
f: file
Object with a read method.
Raises
------
DecodeError
When there are extra bytes at the end of the packet.
Returns
-------
int
Number of bytes consumed from ``f``.
MqttSuback
Object extracted from ``f``.
""""""
assert header.packet_type == MqttControlPacketType.suback
decoder = mqtt_io.FileDecoder(mqtt_io.LimitReader(f, header.remaining_len))
packet_id, = decoder.unpack(mqtt_io.FIELD_PACKET_ID)
results = []
while header.remaining_len > decoder.num_bytes_consumed:
result, = decoder.unpack(mqtt_io.FIELD_U8)
try:
results.append(SubscribeResult(result))
except ValueError:
raise DecodeError('Unsupported result {:02x}.'.format(result))
assert header.remaining_len == decoder.num_bytes_consumed
return decoder.num_bytes_consumed, MqttSuback(packet_id, results)"
1172,"def decode_body(cls, header, f):
""""""Generates a `MqttPublish` packet given a
`MqttFixedHeader`. This method asserts that header.packet_type
is `publish`.
Parameters
----------
header: MqttFixedHeader
f: file
Object with a read method.
Raises
------
DecodeError
When there are extra bytes at the end of the packet.
Returns