def unsuback(self, messageId):
header = bytearray()
varHeader = bytearray()
header.append(0x0B << 4)
varHeader.extend(EncodeDecode._encodeValue(messageId))
header.extend(EncodeDecode._encodeLength(len(varHeader)))
self.transport.write(str(header))
self.transport.write(str(varHeader))
def unsuback(self, messageId):
header = bytearray()
varHeader = bytearray()
header.append(0x0B << 4)
varHeader.extend(EncodeDecode._encodeValue(messageId))
header.extend(EncodeDecode._encodeLength(len(varHeader)))
self.transport.write(str(header))
self.transport.write(str(varHeader))
def pubcomp(self, messageId):
# LOG.warn('Sending pubcomp packet')
header = bytearray()
varHeader = bytearray()
header.append(0x07 << 4)
varHeader.extend(EncodeDecode._encodeValue(messageId))
header.extend(EncodeDecode._encodeLength(len(varHeader)))
self.transport.write(header)
self.transport.write(varHeader)
def unsuback(self, messageId):
# LOG.info("Sending unsuback packet")
header = bytearray()
varHeader = bytearray()
header.append(0x0B << 4)
varHeader.extend(EncodeDecode._encodeValue(messageId))
header.extend(EncodeDecode._encodeLength(len(varHeader)))
self.transport.write(header)
self.transport.write(varHeader)
def _event_unsubscribe(self, packet, _qos, _dup, _retain):
messageId = EncodeDecode._decodeValue(packet[:2])
packet = packet[2:]
# Extract the unsubscribing topics
topics = []
while len(packet):
topic = EncodeDecode._decodeString(packet)
packet = packet[len(topic) + 2:]
topics.append(topic)
LOG.info('Mqtt UnSubscribe: {}'.format(topics))
self.unsubscribeReceived(topics, messageId)
def _event_unsubscribe(self, packet, _qos, _dup, _retain):
messageId = EncodeDecode._decodeValue(packet[:2])
packet = packet[2:]
# Extract the unsubscribing topics
topics = []
while len(packet):
topic = EncodeDecode._decodeString(packet)
packet = packet[len(topic) + 2:]
topics.append(topic)
LOG.info('Mqtt UnSubscribe: {}'.format(topics))
self.unsubscribeReceived(topics, messageId)
def suback(self, grantedQos, messageId):
header = bytearray()
varHeader = bytearray()
payload = bytearray()
header.append(0x09 << 4)
varHeader.extend(EncodeDecode._encodeValue(messageId))
for i in grantedQos:
payload.append(i)
header.extend(EncodeDecode._encodeLength(len(varHeader) + len(payload)))
self.transport.write(str(header))
self.transport.write(str(varHeader))
self.transport.write(str(payload))
def suback(self, grantedQos, messageId):
header = bytearray()
varHeader = bytearray()
payload = bytearray()
header.append(0x09 << 4)
varHeader.extend(EncodeDecode._encodeValue(messageId))
for i in grantedQos:
payload.append(i)
header.extend(EncodeDecode._encodeLength(len(varHeader) + len(payload)))
self.transport.write(str(header))
self.transport.write(str(varHeader))
self.transport.write(str(payload))
def _event_subscribe(self, packet, qos, _dup, _retain):
messageId = EncodeDecode._decodeValue(packet[:2])
packet = packet[2:]
topics = []
while len(packet):
topic = EncodeDecode._decodeString(packet)
packet = packet[len(topic) + 2:]
qos = packet[0]
packet = packet[1:]
# Add them to the list of (topic, qos)s
topics.append((topic, qos))
LOG.info('Mqtt Subscribe: {}'.format(topics))
self.subscribeReceived(topics, messageId)
def _event_subscribe(self, packet, qos, _dup, _retain):
messageId = EncodeDecode._decodeValue(packet[:2])
packet = packet[2:]
topics = []
while len(packet):
topic = EncodeDecode._decodeString(packet)
packet = packet[len(topic) + 2:]
qos = packet[0]
packet = packet[1:]
# Add them to the list of (topic, qos)s
topics.append((topic, qos))
LOG.info('Mqtt Subscribe: {}'.format(topics))
self.subscribeReceived(topics, messageId)
def _event_publish(self, packet, qos, dup, retain):
# Extract the topic name
topic = EncodeDecode._decodeString(packet)
packet = packet[len(topic) + 2:]
# Extract the message ID if appropriate
messageId = None
if qos > 0:
messageId = EncodeDecode._decodeValue(packet[:2])
packet = packet[2:]
# Extract the message
# Whatever remains is the message
message = str(packet)
# LOG.info('Mqtt Publish: {}\n\t{}'.format(topic, message))
self.publishReceived(topic, message, qos, dup, retain, messageId)
def _event_publish(self, packet, qos, dup, retain):
# Extract the topic name
topic = EncodeDecode._decodeString(packet)
packet = packet[len(topic) + 2:]
# Extract the message ID if appropriate
messageId = None
if qos > 0:
messageId = EncodeDecode._decodeValue(packet[:2])
packet = packet[2:]
# Extract the message
# Whatever remains is the message
message = str(packet)
# LOG.info('Mqtt Publish: {}\n\t{}'.format(topic, message))
self.publishReceived(topic, message, qos, dup, retain, messageId)
def unsubscribe(self, topic, messageId = None):
LOG.info("Sending unsubscribe packet")
header = bytearray()
varHeader = bytearray()
payload = bytearray()
header.append(0x0A << 4 | 0x01 << 1)
if messageId is not None:
varHeader.extend(EncodeDecode._encodeValue(self.messageID))
else:
varHeader.extend(EncodeDecode._encodeValue(random.randint(1, 0xFFFF)))
payload.extend(EncodeDecode._encodeString(topic))
header.extend(EncodeDecode._encodeLength(len(payload) + len(varHeader)))
self.transport.write(str(header))
self.transport.write(str(varHeader))
self.transport.write(str(payload))
def unsubscribe(self, topic, messageId = None):
LOG.info("Sending unsubscribe packet")
header = bytearray()
varHeader = bytearray()
payload = bytearray()
header.append(0x0A << 4 | 0x01 << 1)
if messageId is not None:
varHeader.extend(EncodeDecode._encodeValue(self.messageID))
else:
varHeader.extend(EncodeDecode._encodeValue(random.randint(1, 0xFFFF)))
payload.extend(EncodeDecode._encodeString(topic))
header.extend(EncodeDecode._encodeLength(len(payload) + len(varHeader)))
self.transport.write(str(header))
self.transport.write(str(varHeader))
self.transport.write(str(payload))
def publish(self, p_topic, p_message, qosLevel=0, retain=False, dup=False, messageId=None):
# LOG.info("Sending publish packet\n\tTopic: {};\n\tAddr: {};".format(p_topic, self.m_broker.BrokerAddress))
l_varHeader = bytearray()
l_payload = bytearray()
# Type = publish
l_varHeader.extend(EncodeDecode._encodeString(p_topic))
if qosLevel > 0:
if messageId is not None:
l_varHeader.extend(EncodeDecode._encodeValue(messageId))
else:
l_varHeader.extend(EncodeDecode._encodeValue(random.randint(1, 0xFFFF)))
l_payload.extend(EncodeDecode._put_string(p_message))
# l_payload.extend(p_message)
l_fixHeader = self._build_fixed_header(0x03, len(l_varHeader) + len(l_payload), dup, qosLevel, retain)
self._send_transport(l_fixHeader, l_varHeader, l_payload)
def _accumulatePacket(self, p_data):
self.m_buffer.extend(p_data)
l_length = None
while len(self.m_buffer):
if l_length is None:
# Start on a new packet
# Haven't got enough data to start a new packet, wait for some more
if len(self.m_buffer) < 2:
break
lenLen = 1
# Calculate the length of the length field
while lenLen < len(self.m_buffer):
if not self.m_buffer[lenLen] & 0x80:
break
lenLen += 1
# We still haven't got all of the remaining length field
if lenLen < len(self.m_buffer) and self.m_buffer[lenLen] & 0x80:
# LOG.warn('### Early return {}'.format(PrintBytes(self.m_buffer)))
return
l_length = EncodeDecode._decodeLength(self.m_buffer[1:])
if len(self.m_buffer) >= l_length + lenLen + 1:
chunk = self.m_buffer[:l_length + lenLen + 1]
self._processPacket(chunk)
self.m_buffer = self.m_buffer[l_length + lenLen + 1:]
l_length = None
else:
# LOG.warn('### exit without processing {}'.format(PrintBytes(self.m_buffer)))
break
def _accumulatePacket(self, p_data):
self.m_buffer.extend(p_data)
l_length = None
while len(self.m_buffer):
if l_length is None:
# Start on a new packet
# Haven't got enough data to start a new packet, wait for some more
if len(self.m_buffer) < 2:
break
lenLen = 1
# Calculate the length of the length field
while lenLen < len(self.m_buffer):
if not self.m_buffer[lenLen] & 0x80:
break
lenLen += 1
# We still haven't got all of the remaining length field
if lenLen < len(self.m_buffer) and self.m_buffer[lenLen] & 0x80:
# LOG.warn('### Early return {}'.format(PrintBytes(self.m_buffer)))
return
l_length = EncodeDecode._decodeLength(self.m_buffer[1:])
if len(self.m_buffer) >= l_length + lenLen + 1:
chunk = self.m_buffer[:l_length + lenLen + 1]
self._processPacket(chunk)
self.m_buffer = self.m_buffer[l_length + lenLen + 1:]
l_length = None
else:
# LOG.warn('### exit without processing {}'.format(PrintBytes(self.m_buffer)))
break
def subscribe(self, p_topic, requestedQoS=0, messageId=None):
"""
Only supports QoS = 0 subscribes
Only supports one subscription per message
"""
# LOG.info("Sending subscribe packet - Topic: {}\n\tAddr: {}".format(p_topic, self.m_broker.BrokerAddress))
l_varHeader = bytearray()
l_payload = bytearray()
# Type = subscribe, QoS = 1
if messageId is None:
l_varHeader.extend(EncodeDecode._encodeValue(random.randint(1, 0xFFFF)))
else:
l_varHeader.extend(EncodeDecode._encodeValue(messageId))
l_payload.extend(EncodeDecode._encodeString(p_topic))
l_payload.append(requestedQoS)
l_fixHeader = self._build_fixed_header(0x08, len(l_varHeader) + len(l_payload), qosLevel=1)
self._send_transport(l_fixHeader, l_varHeader, l_payload)
def _build_connect(self, p_broker, p_mqtt):
"""
"""
l_varHeader = bytearray()
l_payload = bytearray()
l_varHeader.extend(EncodeDecode._encodeString("MQTT"))
l_varHeader.append(4)
varLogin = 0
if p_broker.UserName is not None:
varLogin += 2
if p_broker.Password is not None:
varLogin += 1
if p_broker.WillMessage is None or p_broker.WillMessage == '' or p_broker.WillTopic is None:
# Clean start, no will message
l_varHeader.append(varLogin << 6 | 0 << 2 | 1 << 1)
else:
l_varHeader.append(varLogin << 6 | p_broker.WillRetain << 5 | p_broker.WillQoS << 3 | 1 << 2 | 1 << 1)
l_varHeader.extend(EncodeDecode._encodeValue(int(p_broker.Keepalive / 1000)))
l_payload.extend(EncodeDecode._encodeString(p_mqtt.ClientID))
if (p_broker.WillMessage is not None or p_broker.WillMessage != '') and p_broker.WillTopic is not None:
# LOG.debug('Adding last will testiment {}'.format(p_broker.WillMessage + p_broker.WillTopic))
l_payload.extend(EncodeDecode._encodeString(p_broker.WillTopic))
l_payload.extend(EncodeDecode._encodeString(p_broker.WillMessage))
if p_broker.UserName is not None and len(p_broker.UserName) > 0:
LOG.debug('Adding username "{}"'.format(p_broker.UserName))
l_payload.extend(EncodeDecode._encodeString(p_broker.UserName))
if p_broker.Password is not None and len(p_broker.Password) > 0:
LOG.debug('Adding password "{}"'.format(p_broker.Password))
l_payload.extend(EncodeDecode._encodeString(p_broker.Password))
l_fixHeader = self._build_fixed_header(0x01, len(l_varHeader) + len(l_payload))
return (l_fixHeader, l_varHeader, l_payload)
def _event_suback(self, packet, _qos, _dup, _retain):
messageId = EncodeDecode._decodeValue(packet[:2])
packet = packet[2:]
# Extract the granted QoS levels
grantedQos = []
while len(packet):
grantedQos.append(packet[0])
packet = packet[1:]
self.subackReceived(grantedQos, messageId)
def connack(self, status):
LOG.warn('Got connect ack packet')
header = bytearray()
payload = bytearray()
header.append(0x02 << 4)
payload.append(status)
header.extend(EncodeDecode._encodeLength(len(payload)))
self.transport.write(str(header))
self.transport.write(str(payload))
def connack(self, status):
LOG.warn('Got connect ack packet')
header = bytearray()
payload = bytearray()
header.append(0x02 << 4)
payload.append(status)
header.extend(EncodeDecode._encodeLength(len(payload)))
self.transport.write(str(header))
self.transport.write(str(payload))
def publish(self, p_topic, p_message, qosLevel = 0, retain = False, dup = False, messageId = None):
# LOG.info("Sending publish packet - Topic: {}".format(p_topic))
header = bytearray()
varHeader = bytearray()
payload = bytearray()
# Type = publish
header.append(0x03 << 4 | dup << 3 | qosLevel << 1 | retain)
varHeader.extend(EncodeDecode._encodeString(p_topic))
if qosLevel > 0:
if messageId is not None:
varHeader.extend(EncodeDecode._encodeValue(messageId))
else:
varHeader.extend(EncodeDecode._encodeValue(random.randint(1, 0xFFFF)))
payload.extend(p_message)
header.extend(EncodeDecode._encodeLength(len(varHeader) + len(payload)))
self.transport.write(str(header))
self.transport.write(str(varHeader))
self.transport.write(str(payload))
def _event_suback(self, packet, _qos, _dup, _retain):
messageId = EncodeDecode._decodeValue(packet[:2])
packet = packet[2:]
# Extract the granted QoS levels
grantedQos = []
while len(packet):
grantedQos.append(packet[0])
packet = packet[1:]
self.subackReceived(grantedQos, messageId)
def publish(self, p_topic, p_message, qosLevel = 0, retain = False, dup = False, messageId = None):
# LOG.info("Sending publish packet - Topic: {}".format(p_topic))
header = bytearray()
varHeader = bytearray()
payload = bytearray()
# Type = publish
header.append(0x03 << 4 | dup << 3 | qosLevel << 1 | retain)
varHeader.extend(EncodeDecode._encodeString(p_topic))
if qosLevel > 0:
if messageId is not None:
varHeader.extend(EncodeDecode._encodeValue(messageId))
else:
varHeader.extend(EncodeDecode._encodeValue(random.randint(1, 0xFFFF)))
payload.extend(p_message)
header.extend(EncodeDecode._encodeLength(len(varHeader) + len(payload)))
self.transport.write(str(header))
self.transport.write(str(varHeader))
self.transport.write(str(payload))
def _event_suback(self, packet, _qos, _dup, _retain):
messageId = EncodeDecode._decodeValue(packet[:2])
packet = packet[2:]
# LOG.info('Event SubAck received - MsgID:{} Acks: {} {}\n\tAddr:{}'.format(messageId, len(packet), packet, self.m_broker.BrokerAddress))
# Extract the granted QoS levels
grantedQos = []
while len(packet):
grantedQos.append(packet[0])
packet = packet[1:]
self.subackReceived(grantedQos, messageId)
def subscribe(self, p_topic, requestedQoS = 0, messageId = None):
"""
Only supports QoS = 0 subscribes
Only supports one subscription per message
"""
LOG.info("Sending subscribe packet - Topic: {}".format(p_topic))
header = bytearray()
varHeader = bytearray()
payload = bytearray()
# Type = subscribe, QoS = 1
header.append(0x08 << 4 | 0x01 << 1)
if messageId is None:
varHeader.extend(EncodeDecode._encodeValue(random.randint(1, 0xFFFF)))
else:
varHeader.extend(EncodeDecode._encodeValue(messageId))
payload.extend(EncodeDecode._encodeString(p_topic))
payload.append(requestedQoS)
header.extend(EncodeDecode._encodeLength(len(varHeader) + len(payload)))
self.transport.write(str(header))
self.transport.write(str(varHeader))
self.transport.write(str(payload))
def subscribe(self, p_topic, requestedQoS = 0, messageId = None):
"""
Only supports QoS = 0 subscribes
Only supports one subscription per message
"""
LOG.info("Sending subscribe packet - Topic: {}".format(p_topic))
header = bytearray()
varHeader = bytearray()
payload = bytearray()
# Type = subscribe, QoS = 1
header.append(0x08 << 4 | 0x01 << 1)
if messageId is None:
varHeader.extend(EncodeDecode._encodeValue(random.randint(1, 0xFFFF)))
else:
varHeader.extend(EncodeDecode._encodeValue(messageId))
payload.extend(EncodeDecode._encodeString(p_topic))
payload.append(requestedQoS)
header.extend(EncodeDecode._encodeLength(len(varHeader) + len(payload)))
self.transport.write(str(header))
self.transport.write(str(varHeader))
self.transport.write(str(payload))
def _event_publish(self, packet, qos, dup, retain):
""" Receive a "Published" message
Here we get a published message from the broker.
Extract the parts of the packet.
@param packet: is a bytearray containing the variable header and payload combined.
"""
# Extract the topic portion of the packet.
l_topic = EncodeDecode._decodeString(packet)
packet = packet[len(l_topic) + 2:]
# Extract the message ID if appropriate
messageId = None
if qos > 0:
messageId = EncodeDecode._decodeValue(packet[:2])
packet = packet[2:]
LOG.debug('Publish MsgID:{}'.format(messageId))
# Extract whatever remains as the message
l_json = EncodeDecode._get_string(packet)
# l_json = packet.decode('utf-8')
l_message = json_tools.decode_json_unicode(l_json)
# l_topic is a string
# l_message is a string
self.publishReceived(l_topic, l_message, qos, dup, retain, messageId)
def connect(self, p_clientID, keepalive = 3000,
willTopic = None, willMessage = None, willQoS = 0, willRetain = False,
cleanStart = True,
username = None,
password = None
):
"""
DBK - Modified this packet to add username and password flags and fields (2016-01-22)
"""
LOG.info("Sending 'connect' packet - ID: {}".format(p_clientID))
header = bytearray()
varHeader = bytearray()
payload = bytearray()
varHeader.extend(EncodeDecode._encodeString("MQIsdp"))
varHeader.append(3)
varLogin = 0
if username is not None:
varLogin += 2
if password is not None:
varLogin += 1
if willMessage is None or willTopic is None:
# Clean start, no will message
varHeader.append(varLogin << 6 | 0 << 2 | cleanStart << 1)
else:
varHeader.append(varLogin << 6 | willRetain << 5 | willQoS << 3 |
1 << 2 | cleanStart << 1)
varHeader.extend(EncodeDecode._encodeValue(keepalive / 1000))
payload.extend(EncodeDecode._encodeString(p_clientID))
if willMessage is not None and willTopic is not None:
LOG.debug('Adding last will testiment {}'.format(willMessage + willTopic))
payload.extend(EncodeDecode._encodeString(willTopic))
payload.extend(EncodeDecode._encodeString(willMessage))
if username is not None:
LOG.debug('Adding username {}'.format(username))
payload.extend(EncodeDecode._encodeString(username))
if password is not None:
LOG.debug('Adding password {}'.format(password))
payload.extend(EncodeDecode._encodeString(password))
header.append(0x01 << 4)
header.extend(EncodeDecode._encodeLength(len(varHeader) + len(payload)))
self.transport.write(str(header))
self.transport.write(str(varHeader))
self.transport.write(str(payload))
def connect(self, p_clientID, keepalive = 3000,
willTopic = None, willMessage = None, willQoS = 0, willRetain = False,
cleanStart = True,
username = None,
password = None
):
"""
DBK - Modified this packet to add username and password flags and fields (2016-01-22)
"""
LOG.info("Sending 'connect' packet - ID: {}".format(p_clientID))
header = bytearray()
varHeader = bytearray()
payload = bytearray()
varHeader.extend(EncodeDecode._encodeString("MQIsdp"))
varHeader.append(3)
varLogin = 0
if username is not None:
varLogin += 2
if password is not None:
varLogin += 1
if willMessage is None or willTopic is None:
# Clean start, no will message
varHeader.append(varLogin << 6 | 0 << 2 | cleanStart << 1)
else:
varHeader.append(varLogin << 6 | willRetain << 5 | willQoS << 3
| 1 << 2 | cleanStart << 1)
varHeader.extend(EncodeDecode._encodeValue(keepalive / 1000))
payload.extend(EncodeDecode._encodeString(p_clientID))
if willMessage is not None and willTopic is not None:
LOG.debug('Adding last will testiment {}'.format(willMessage + willTopic))
payload.extend(EncodeDecode._encodeString(willTopic))
payload.extend(EncodeDecode._encodeString(willMessage))
if username is not None:
LOG.debug('Adding username {}'.format(username))
payload.extend(EncodeDecode._encodeString(username))
if password is not None:
LOG.debug('Adding password {}'.format(password))
payload.extend(EncodeDecode._encodeString(password))
header.append(0x01 << 4)
header.extend(EncodeDecode._encodeLength(len(varHeader) + len(payload)))
self.transport.write(str(header))
self.transport.write(str(varHeader))
self.transport.write(str(payload))
def _event_connect(self, packet, _qos, _dup, _retain):
"""This will decode a received 'connect' packet.
"""
LOG.info('ProtocolEvent "Connect Packet" received.')
# Strip variable header
packet = packet[10:]
# Extract the connect flags
f_username = packet[0] & 0x80 == 0x80
f_password = packet[0] & 0x40 == 0x40
f_willRetain = packet[0] & 0x20 == 0x20
l_willQos = packet[0] & 0x18 >> 3
f_willFlag = packet[0] & 0x04 == 0x04
f_cleanStart = packet[0] & 0x02 == 0x02
packet = packet[1:]
keepalive = EncodeDecode._decodeValue(packet[:2]) # Extract the keepalive period
packet = packet[2:]
clientID = EncodeDecode._decodeString(packet) # Extract the client id_event_connect
packet = packet[len(clientID) + 2:]
# Extract the will topic and message, if applicable
l_willTopic = None
l_willMessage = None
if f_willFlag:
# Extract the will topic
l_willTopic = EncodeDecode._decodeString(packet)
packet = packet[len(l_willTopic) + 2:]
# Extract the will message
# Whatever remains is the will message
# ## l_willMessage = packet
l_willMessage = EncodeDecode._decodeString(packet)
packet = packet[len(l_willMessage) + 2:]
l_username = None
if f_username: # Extract user name if one is present.
l_username = EncodeDecode._decodeString(packet)
packet = packet[len(l_username) + 2:]
l_password = None
if f_password: # Extract password if one is present.
l_password = EncodeDecode._decodeString(packet)
packet = packet[len(l_password) + 2:]
LOG.info('Mqtt Connected.')
self.connectReceived(clientID, keepalive, l_willTopic,
l_willMessage, l_willQos, f_willRetain,
f_cleanStart, l_username, l_password)
def _event_connect(self, packet, _qos, _dup, _retain):
"""This will decode a received 'connect' packet.
"""
# Strip the protocol name and version number
packet = packet[len("06MQisdp3"):]
# Extract the connect flags
f_username = packet[0] & 0x80 == 0x80
f_password = packet[0] & 0x40 == 0x40
f_willRetain = packet[0] & 0x20 == 0x20
l_willQos = packet[0] & 0x18 >> 3
f_willFlag = packet[0] & 0x04 == 0x04
f_cleanStart = packet[0] & 0x02 == 0x02
packet = packet[1:]
keepalive = EncodeDecode._decodeValue(packet[:2]) # Extract the keepalive period
packet = packet[2:]
clientID = EncodeDecode._decodeString(packet) # Extract the client id
packet = packet[len(clientID) + 2:]
# Extract the will topic and message, if applicable
l_willTopic = None
l_willMessage = None
if f_willFlag:
# Extract the will topic
l_willTopic = EncodeDecode._decodeString(packet)
packet = packet[len(l_willTopic) + 2:]
# Extract the will message
# Whatever remains is the will message
# ## l_willMessage = packet
l_willMessage = EncodeDecode._decodeString(packet)
packet = packet[len(l_willMessage) + 2:]
l_username = None
if f_username: # Extract user name if one is present.
l_username = EncodeDecode._decodeString(packet)
packet = packet[len(l_username) + 2:]
l_password = None
if f_password: # Extract password if one is present.
l_password = EncodeDecode._decodeString(packet)
packet = packet[len(l_password) + 2:]
LOG.info('Mqtt Connected.')
self.connectReceived(clientID, keepalive, l_willTopic,
l_willMessage, l_willQos, f_willRetain,
f_cleanStart, l_username, l_password)
def _event_unsuback(self, packet, _qos, _dup, _retain):
LOG.info('Event UnsubAck received: {} {}'.format(len(packet), packet))
messageId = EncodeDecode._decodeValue(packet[:2])
self.unsubackReceived(messageId)
def pingresp(self):
# LOG.warn('Got ping ack packet')
header = bytearray()
header.append(0x0D << 4)
header.extend(EncodeDecode._encodeLength(0))
self.transport.write(str(header))
def disconnect(self):
LOG.info("Sending disconnect packet")
header = bytearray()
header.append(0x0E << 4)
header.extend(EncodeDecode._encodeLength(0))
self.transport.write(str(header))
def _event_pubcomp(self, packet, _qos, _dup, _retain):
messageId = EncodeDecode._decodeValue(packet[:2])
self.pubcompReceived(messageId)
def _event_puback(self, packet, _qos, _dup, _retain):
# Extract the message ID
messageId = EncodeDecode._decodeValue(packet[:2])
self.pubackReceived(messageId)
def pingresp(self):
# LOG.warn('Got ping ack packet')
header = bytearray()
header.append(0x0D << 4)
header.extend(EncodeDecode._encodeLength(0))
self.transport.write(str(header))
def _event_unsuback(self, packet, _qos, _dup, _retain):
messageId = EncodeDecode._decodeValue(packet[:2])
self.unsubackReceived(messageId)
def _event_puback(self, packet, _qos, _dup, _retain):
LOG.info('ProtocolEvent "PubAck Packet" received: {} {}\n\tAddr:{}'.format(len(packet), packet, self.m_broker.BrokerAddress))
# Extract the message ID
messageId = EncodeDecode._decodeValue(packet[:2])
self.pubackReceived(messageId)
def disconnect(self):
LOG.info("Sending disconnect packet")
header = bytearray()
header.append(0x0E << 4)
header.extend(EncodeDecode._encodeLength(0))
self.transport.write(str(header))
def _event_pubcomp(self, packet, _qos, _dup, _retain):
LOG.info('Event PubComp received: {} {}'.format(len(packet), packet))
messageId = EncodeDecode._decodeValue(packet[:2])
self.pubcompReceived(messageId)
def _event_unsuback(self, packet, _qos, _dup, _retain):
messageId = EncodeDecode._decodeValue(packet[:2])
self.unsubackReceived(messageId)
def _build_fixed_header(self, p_packet_type, p_remaining_length, dup=0, qosLevel=0, retain=0):
l_header = bytearray()
l_header.append((p_packet_type & 0x0f) << 4 | (dup & 0x01) << 3 | (qosLevel & 0x03) << 1 | (retain & 0x01))
l_header.extend(EncodeDecode._encodeLength(p_remaining_length))
return l_header
def _event_puback(self, packet, _qos, _dup, _retain):
# Extract the message ID
messageId = EncodeDecode._decodeValue(packet[:2])
self.pubackReceived(messageId)
def _event_pubcomp(self, packet, _qos, _dup, _retain):
messageId = EncodeDecode._decodeValue(packet[:2])
self.pubcompReceived(messageId)