def _sensorAlertHandler(self, data):
logging.debug("[%s]: Received sensor alert." % self.fileName)
# extract data from sensor alert message
try:
splittedData = data.split()
sensorId = int(splittedData[1])
state = int(splittedData[2])
alertLevel = int(splittedData[3])
except Exception as e:
logging.exception("[%s]: Receiving sensor alert " % self.fileName
+ "failed.")
return False
# acknowledge sensor alert
logging.debug("[%s]: Sending SENSORALERT OK message." % self.fileName)
try:
self.client.send("SENSORALERT OK\r\n")
except Exception as e:
logging.exception("[%s]: Sending sensor alert " % self.fileName
+ "acknowledgement failed.")
return False
# trigger all alerts that have the same alert level
for alert in self.alerts:
if alertLevel in alert.alertLevels:
# trigger alert in an own thread to not block this one
alertTriggerProcess = AsynchronousAlertExecuter(alert)
# set thread to daemon
# => threads terminates when main thread terminates
alertTriggerProcess.daemon = True
alertTriggerProcess.triggerAlert = True
alertTriggerProcess.start()
return True
def _sensorAlertHandler(self, data):
logging.debug("[%s]: Received sensor alert." % self.fileName)
# extract data from sensor alert message
try:
splittedData = data.split()
sensorId = int(splittedData[1])
state = int(splittedData[2])
alertLevel = int(splittedData[3])
except Exception as e:
logging.exception("[%s]: Receiving sensor alert " % self.fileName +
"failed.")
return False
# acknowledge sensor alert
logging.debug("[%s]: Sending SENSORALERT OK message." % self.fileName)
try:
self.client.send("SENSORALERT OK\r\n")
except Exception as e:
logging.exception("[%s]: Sending sensor alert " % self.fileName +
"acknowledgement failed.")
return False
# trigger all alerts that have the same alert level
for alert in self.alerts:
if alertLevel in alert.alertLevels:
# trigger alert in an own thread to not block this one
alertTriggerProcess = AsynchronousAlertExecuter(alert)
# set thread to daemon
# => threads terminates when main thread terminates
alertTriggerProcess.daemon = True
alertTriggerProcess.triggerAlert = True
alertTriggerProcess.start()
return True
def _sensorAlertHandler(self, incomingMessage):
logging.info("[%s]: Received sensor alert." % self.fileName)
# extract sensor alert values
sensorAlert = SensorAlert()
sensorAlert.timeReceived = int(time.time())
try:
if not self._checkMsgServerTime(
incomingMessage["serverTime"],
incomingMessage["message"]):
logging.error("[%s]: Received serverTime invalid."
% self.fileName)
return False
if not self._checkMsgAlertLevels(
incomingMessage["payload"]["alertLevels"],
incomingMessage["message"]):
logging.error("[%s]: Received alertLevels invalid."
% self.fileName)
return False
if not self._checkMsgDescription(
incomingMessage["payload"]["description"],
incomingMessage["message"]):
logging.error("[%s]: Received description invalid."
% self.fileName)
return False
if not self._checkMsgRulesActivated(
incomingMessage["payload"]["rulesActivated"],
incomingMessage["message"]):
logging.error("[%s]: Received rulesActivated invalid."
% self.fileName)
return False
if not self._checkMsgSensorId(
incomingMessage["payload"]["sensorId"],
incomingMessage["message"]):
logging.error("[%s]: Received sensorId invalid."
% self.fileName)
return False
if not self._checkMsgState(
incomingMessage["payload"]["state"],
incomingMessage["message"]):
logging.error("[%s]: Received state invalid."
% self.fileName)
return False
if not self._checkMsgHasOptionalData(
incomingMessage["payload"]["hasOptionalData"],
incomingMessage["message"]):
logging.error("[%s]: Received hasOptionalData invalid."
% self.fileName)
return False
if incomingMessage["payload"]["hasOptionalData"]:
if not self._checkMsgOptionalData(
incomingMessage["payload"]["optionalData"],
incomingMessage["message"]):
logging.error("[%s]: Received optionalData invalid."
% self.fileName)
return False
if not self._checkMsgSensorDataType(
incomingMessage["payload"]["dataType"],
incomingMessage["message"]):
logging.error("[%s]: Received dataType invalid."
% self.fileName)
return False
if incomingMessage["payload"]["dataType"] != SensorDataType.NONE:
if not self._checkMsgSensorData(
incomingMessage["payload"]["data"],
incomingMessage["payload"]["dataType"],
incomingMessage["message"]):
logging.error("[%s]: Received data invalid."
% self.fileName)
return False
if not self._checkMsgHasLatestData(
incomingMessage["payload"]["hasLatestData"],
incomingMessage["message"]):
logging.error("[%s]: Received hasLatestData invalid."
% self.fileName)
return False
if not self._checkMsgChangeState(
incomingMessage["payload"]["changeState"],
incomingMessage["message"]):
logging.error("[%s]: Received changeState invalid."
% self.fileName)
return False
sensorAlert.sensorId = incomingMessage["payload"]["sensorId"]
sensorAlert.alertLevels = incomingMessage["payload"]["alertLevels"]
sensorAlert.state = incomingMessage["payload"]["state"]
sensorAlert.description = incomingMessage["payload"]["description"]
sensorAlert.changeState = incomingMessage["payload"]["changeState"]
sensorAlert.rulesActivated = \
incomingMessage["payload"]["rulesActivated"]
# parse received data (if data transfer is activated)
sensorAlert.optionalData = None
sensorAlert.hasOptionalData = \
incomingMessage["payload"]["hasOptionalData"]
if sensorAlert.hasOptionalData:
sensorAlert.optionalData = incomingMessage[
"payload"]["optionalData"]
sensorAlert.changeState = incomingMessage["payload"]["changeState"]
sensorAlert.hasLatestData = \
incomingMessage["payload"]["hasLatestData"]
sensorAlert.dataType = incomingMessage["payload"]["dataType"]
sensorAlert.sensorData = None
if sensorAlert.dataType != SensorDataType.NONE:
sensorAlert.sensorData = incomingMessage["payload"]["data"]
except Exception as e:
logging.exception("[%s]: Received sensor alert " % self.fileName
+ "invalid.")
# send error message back
try:
utcTimestamp = int(time.time())
message = {"clientTime": utcTimestamp,
"message": incomingMessage["message"],
"error": "received sensor alert invalid"}
self.client.send(json.dumps(message))
except Exception as e:
pass
return False
# sending sensor alert response
logging.debug("[%s]: Sending sensor alert " % self.fileName
+ "response message.")
try:
payload = {"type": "response", "result": "ok"}
utcTimestamp = int(time.time())
message = {"clientTime": utcTimestamp,
"message": "sensoralert", "payload": payload}
self.client.send(json.dumps(message))
except Exception as e:
logging.exception("[%s]: Sending sensor alert " % self.fileName
+ "response failed.")
return False
# trigger all alerts that have the same alert level
atLeastOnceTriggered = False
for alert in self.alerts:
for alertLevel in sensorAlert.alertLevels:
if alertLevel in alert.alertLevels:
atLeastOnceTriggered = True
# trigger alert in an own thread to not block this one
alertTriggerProcess = AsynchronousAlertExecuter(alert)
alertTriggerProcess.sensorAlert = sensorAlert
# set thread to daemon
# => threads terminates when main thread terminates
alertTriggerProcess.daemon = True
alertTriggerProcess.triggerAlert = True
alertTriggerProcess.start()
break
# Write to log file if no alert was triggered for received sensorAlert.
if not atLeastOnceTriggered:
alertLevelsStr = ", ".join(map(str, sensorAlert.alertLevels))
logging.info("[%s]: No alert triggered for alertLevels: %s."
% (self.fileName, alertLevelsStr))
return True
def _sensorAlertHandler(self, incomingMessage):
logging.debug("[%s]: Received sensor alert." % self.fileName)
# extract sensor alert values
try:
alertLevels = incomingMessage["payload"]["alertLevels"]
# check if alertLevels is a list
if not isinstance(alertLevels, list):
# send error message back
try:
message = {"clientTime": int(time.time()),
"message": message["message"],
"error": "alertLevels not of type list"}
self.client.send(json.dumps(message))
except Exception as e:
pass
return False
# check if all elements of the alertLevels list
# are of type int
if not all(isinstance(item, int) for item in alertLevels):
# send error message back
try:
message = {"clientTime": int(time.time()),
"message": message["message"],
"error": "alertLevels items not of type int"}
self.client.send(json.dumps(message))
except Exception as e:
pass
return False
description = str(incomingMessage["payload"]["description"])
# parse received data (if data transfer is activated)
data = None
dataTransfer = bool(incomingMessage["payload"]["dataTransfer"])
if dataTransfer:
data = incomingMessage["payload"]["data"]
# check if data is of type dict
# => if not ignore it
if not isinstance(data, dict):
logging.warning("[%s]: Received data in sensor alert "
% self.fileName
+ "not valid. Ignoring it.")
data = None
dataTransfer = False
except Exception as e:
logging.exception("[%s]: Received sensor alert " % self.fileName
+ "invalid.")
# send error message back
try:
message = {"clientTime": int(time.time()),
"message": incomingMessage["message"],
"error": "received sensor alert invalid"}
self.client.send(json.dumps(message))
except Exception as e:
pass
return False
# sending sensor alert response
logging.debug("[%s]: Sending sensor alert " % self.fileName
+ "response message.")
try:
payload = {"type": "response", "result": "ok"}
message = {"clientTime": int(time.time()),
"message": "sensoralert", "payload": payload}
self.client.send(json.dumps(message))
except Exception as e:
logging.exception("[%s]: Sending sensor alert " % self.fileName
+ "response failed.")
return False
# trigger all alerts that have the same alert level
for alert in self.alerts:
for alertLevel in alertLevels:
if alertLevel in alert.alertLevels:
# trigger alert in an own thread to not block this one
alertTriggerProcess = AsynchronousAlertExecuter(alert)
alertTriggerProcess.sensorDescription = description
alertTriggerProcess.dataTransfer = dataTransfer
alertTriggerProcess.data = data
# set thread to daemon
# => threads terminates when main thread terminates
alertTriggerProcess.daemon = True
alertTriggerProcess.triggerAlert = True
alertTriggerProcess.start()
return True
def _sensorAlertHandler(self, incomingMessage):
logging.debug("[%s]: Received sensor alert." % self.fileName)
# extract sensor alert values
try:
alertLevels = incomingMessage["payload"]["alertLevels"]
# check if alertLevels is a list
if not isinstance(alertLevels, list):
# send error message back
try:
message = {
"clientTime": int(time.time()),
"message": message["message"],
"error": "alertLevels not of type list"
}
self.client.send(json.dumps(message))
except Exception as e:
pass
return False
# check if all elements of the alertLevels list
# are of type int
if not all(isinstance(item, int) for item in alertLevels):
# send error message back
try:
message = {
"clientTime": int(time.time()),
"message": message["message"],
"error": "alertLevels items not of type int"
}
self.client.send(json.dumps(message))
except Exception as e:
pass
return False
state = int(incomingMessage["payload"]["state"])
description = str(incomingMessage["payload"]["description"])
# parse received data (if data transfer is activated)
data = None
dataTransfer = bool(incomingMessage["payload"]["dataTransfer"])
if dataTransfer:
data = incomingMessage["payload"]["data"]
# check if data is of type dict
# => if not ignore it
if not isinstance(data, dict):
logging.warning("[%s]: Received data in sensor alert " %
self.fileName + "not valid. Ignoring it.")
data = None
dataTransfer = False
except Exception as e:
logging.exception("[%s]: Received sensor alert " % self.fileName +
"invalid.")
# send error message back
try:
message = {
"clientTime": int(time.time()),
"message": incomingMessage["message"],
"error": "received sensor alert invalid"
}
self.client.send(json.dumps(message))
except Exception as e:
pass
return False
# sending sensor alert response
logging.debug("[%s]: Sending sensor alert " % self.fileName +
"response message.")
try:
payload = {"type": "response", "result": "ok"}
message = {
"clientTime": int(time.time()),
"message": "sensoralert",
"payload": payload
}
self.client.send(json.dumps(message))
except Exception as e:
logging.exception("[%s]: Sending sensor alert " % self.fileName +
"response failed.")
return False
# trigger all alerts that have the same alert level
for alert in self.alerts:
for alertLevel in alertLevels:
if alertLevel in alert.alertLevels:
# trigger alert in an own thread to not block this one
alertTriggerProcess = AsynchronousAlertExecuter(alert)
alertTriggerProcess.sensorDescription = description
alertTriggerProcess.state = state
alertTriggerProcess.dataTransfer = dataTransfer
alertTriggerProcess.data = data
# set thread to daemon
# => threads terminates when main thread terminates
alertTriggerProcess.daemon = True
alertTriggerProcess.triggerAlert = True
alertTriggerProcess.start()
return True