def readDLMSPacket2(self, data, reply):
if not data:
return
notify = GXReplyData()
reply.error = 0
eop = 0x7E
#In network connection terminator is not used.
if self.client.interfaceType == InterfaceType.WRAPPER and isinstance(
self.media, GXNet):
eop = None
p = ReceiveParameters()
p.eop = eop
p.waitTime = self.waitTime
if eop is None:
p.Count = 8
else:
p.Count = 5
self.media.eop = eop
rd = GXByteBuffer()
with self.media.getSynchronous():
if not reply.isStreaming():
self.writeTrace(
"TX: " + self.now() + "\t" + GXByteBuffer.hex(data),
TraceLevel.VERBOSE)
print("TX: " + self.now() + "\t" + GXByteBuffer.hex(data))
self.media.send(data)
pos = 0
try:
while not self.client.getData(rd, reply, notify):
if notify.data.size != 0:
if not notify.isMoreData():
t = GXDLMSTranslator()
xml = t.dataToXml(notify.data)
print(xml)
notify.clear()
continue
elif not p.eop:
p.count = self.client.getFrameSize(rd)
while not self.media.receive(p):
pos += 1
if pos == 3:
raise TimeoutException(
"Failed to receive reply from the device in given time."
)
if rd.size == 0:
print("Data send failed. Try to resend " +
str(pos) + "/3")
self.media.send(data, None)
rd.set(p.reply)
p.reply = None
except Exception as e:
self.writeTrace("RX: " + self.now() + "\t" + str(rd),
TraceLevel.ERROR)
print("RX: " + self.now() + "\t" + str(rd))
raise e
self.writeTrace("RX: " + self.now() + "\t" + str(rd),
TraceLevel.VERBOSE)
print("RX: " + self.now() + "\t" + str(rd))
if reply.error != 0:
raise GXDLMSException(reply.error)
def __init__(self) -> None:
super().__init__()
self.notify = GXReplyData()
self.client = GXDLMSSecureClient()
self.client.interfaceType = InterfaceType.PDU
self.client.ciphering.security = Security.ENCRYPTION
self.client.ciphering.blockCipherKey = GXCommon.hexToBytes(key_hex)
self.translator = GXDLMSTranslator()
self.reply = GXByteBuffer()
def showValue(self, pos, val):
if isinstance(val, (bytes, bytearray)):
val = GXByteBuffer(val)
elif isinstance(val, list):
str_ = ""
for tmp in val:
if str_:
str_ += ", "
if isinstance(tmp, bytes):
str_ += GXByteBuffer.hex(tmp)
else:
str_ += str(tmp)
val = str_
self.writeTrace("Index: " + str(pos) + " Value: " + str(val), TraceLevel.INFO)
def readDLMSPacket2(self, data, reply):
if data == None or len(data) == 0:
return
notify = GXReplyData()
reply.error = 0
succeeded = False
rd = GXByteBuffer()
if not reply.isStreaming():
self.writeTrace(
"TX: " + self.now() + "\t" + GXByteBuffer.hex(data),
TraceLevel.VERBOSE)
self.media.sendall(data)
msgPos = 0
count = 100
pos = 0
try:
while not self.client.getData(rd, reply, notify):
if notify.data.size != 0:
if not notify.isMoreData():
t = GXDLMSTranslator()
xml = t.dataToXml(notify.data)
print(xml)
notify.clear()
msgPos = rd.position
continue
rd.position = msgPos
rd.set(self.media.recv(100))
if pos == 3:
raise ValueError(
"Failed to receive reply from the device in given time.")
if pos != 0:
print("Data send failed. Try to resend " + str(pos) + "/3")
++pos
except Exception as e:
self.writeTrace("RX: " + self.now() + "\t" + rd.__str__(),
TraceLevel.ERROR)
raise e
self.writeTrace("RX: " + self.now() + "\t" + rd.__str__(),
TraceLevel.VERBOSE)
if reply.error != 0:
raise GXDLMSException(reply.error)