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11 changes: 9 additions & 2 deletions adafruit_minimqtt/adafruit_minimqtt.py
Original file line number Diff line number Diff line change
Expand Up @@ -450,14 +450,21 @@ def connect(self, clean_session=True, host=None, port=None, keep_alive=None):
# Set up variable header and remaining_length
remaining_length = 12 + len(self.client_id.encode("utf-8"))
if self._username:
remaining_length += 2 + len(self._username.encode("utf-8")) + 2 + len(self._password.encode("utf-8"))
remaining_length += (
2
+ len(self._username.encode("utf-8"))
+ 2
+ len(self._password.encode("utf-8"))
)
var_header[6] |= 0xC0
if self.keep_alive:
assert self.keep_alive < MQTT_TOPIC_LENGTH_LIMIT
var_header[7] |= self.keep_alive >> 8
var_header[8] |= self.keep_alive & 0x00FF
if self._lw_topic:
remaining_length += 2 + len(self._lw_topic.encode("utf-8")) + 2 + len(self._lw_msg)
remaining_length += (
2 + len(self._lw_topic.encode("utf-8")) + 2 + len(self._lw_msg)
)
var_header[6] |= 0x4 | (self._lw_qos & 0x1) << 3 | (self._lw_qos & 0x2) << 3
var_header[6] |= self._lw_retain << 5

Expand Down