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 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 _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 suback(self, grantedQos, messageId):
# LOG.info("Sending suback packet")
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(header)
self.transport.write(varHeader)
self.transport.write(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(header)
self.transport.write(varHeader)
self.transport.write(payload)
def disconnect(self):
LOG.info("Sending disconnect packet")
header = bytearray()
header.append(0x0E << 4)
header.extend(EncodeDecode._encodeLength(0))
self.transport.write(header)
def pingresp(self):
LOG.warn('Got ping ack packet')
header = bytearray()
header.append(0x0D << 4)
header.extend(EncodeDecode._encodeLength(0))
self.transport.write(header)
