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do not share CONNECT variable header #186

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merged 1 commit into from
Nov 27, 2023
Merged

do not share CONNECT variable header #186

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10 changes: 3 additions & 7 deletions adafruit_minimqtt/adafruit_minimqtt.py
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Original file line number Diff line number Diff line change
Expand Up @@ -66,9 +66,6 @@

MQTT_PKT_TYPE_MASK = const(0xF0)

# Variable CONNECT header [MQTT 3.1.2]
MQTT_HDR_CONNECT = bytearray(b"\x04MQTT\x04\x02\0\0")


CONNACK_ERRORS = {
const(0x01): "Connection Refused - Incorrect Protocol Version",
Expand Down Expand Up @@ -567,10 +564,9 @@ def _connect(
# Fixed Header
fixed_header = bytearray([0x10])

# NOTE: Variable header is
# MQTT_HDR_CONNECT = bytearray(b"\x04MQTT\x04\x02\0\0")
# because final 4 bytes are 4, 2, 0, 0
var_header = MQTT_HDR_CONNECT
# Variable CONNECT header [MQTT 3.1.2]
# The byte array is used as a template.
var_header = bytearray(b"\x04MQTT\x04\x02\0\0")
var_header[6] = clean_session << 1

# Set up variable header and remaining_length
Expand Down