def CheckActivateNotify(element, waitingtime, value, mailtype, sensor,
sensorvalue):
global AUTO_data
# check if time between watering events is larger that the waiting time (minutes)
print ' Previous action: ', AUTO_data[element][
"lastactiontime"], ' Now: ', datetime.now()
timedifference = sensordbmod.timediffinminutes(
AUTO_data[element]["lastactiontime"], datetime.now())
print 'Time interval between actions', timedifference, '. threshold', waitingtime
logger.info('Time interval between Actions %d threshold %d',
timedifference, waitingtime)
if timedifference >= waitingtime: # sufficient time between actions
print " Sufficient waiting time"
logger.info('Sufficient waiting time')
# action
print "Implement Actuator Value ", value
logger.info('Procedure to start actuator %s, for value = %s', element,
value)
isok = activateactuator(element, value)
# invia mail, considered as info, not as alert
if mailtype != "warningonly":
textmessage = "INFO: " + sensor + " value " + str(
sensorvalue
) + ", activating:" + element + " with Value " + str(value)
emailmod.sendallmail("alert", textmessage)
if isok:
AUTO_data[element]["lastactiontime"] = datetime.now()
AUTO_data[element]["actionvalue"] = value
else:
logger.info('Need to wait more time')
def CheckActivateNotify(element,waitingtime,value,mailtype,sensor,sensorvalue):
global AUTO_data
# check if time between watering events is larger that the waiting time (minutes)
lastactiontime=statusdataDBmod.read_status_data(AUTO_data,element,"lastactiontime")
print ' Previous action: ' , lastactiontime , ' Now: ', datetime.now()
timedifference=sensordbmod.timediffinminutes(lastactiontime,datetime.now())
print 'Time interval between actions', timedifference ,'. threshold', waitingtime
logger.info('Time interval between Actions %d threshold %d', timedifference,waitingtime)
if timedifference>=waitingtime: # sufficient time between actions
print " Sufficient waiting time"
logger.info('Sufficient waiting time')
# action
print "Implement Actuator Value ", value
logger.info('Procedure to start actuator %s, for value = %s', element, value)
isok=activateactuator(element, value)
# invia mail, considered as info, not as alert
if mailtype!="warningonly":
textmessage="INFO: " + sensor + " value " + str(sensorvalue) + ", activating:" + element + " with Value " + str(value)
emailmod.sendallmail("alert", textmessage)
if isok:
statusdataDBmod.write_status_data(AUTO_data,element,"lastactiontime",datetime.now())
statusdataDBmod.write_status_data(AUTO_data,element,"actionvalue",value)
else:
logger.info('Need to wait more time')
def CheckActivateNotify(element,waitingtime,value,mailtype,sensor,sensorvalue):
global AUTO_data
# check if time between watering events is larger that the waiting time (minutes)
lastactiontime=statusdataDBmod.read_status_data(AUTO_data,element,"lastactiontime")
print(' Previous action: ' , lastactiontime , ' Now: ', datetime.utcnow())
timedifference=sensordbmod.timediffinminutes(lastactiontime,datetime.utcnow())
print('Time interval between actions', timedifference ,'. threshold', waitingtime)
logger.info('Time interval between Actions %d threshold %d', timedifference,waitingtime)
if timedifference>=waitingtime: # sufficient time between actions
print(" Sufficient waiting time")
logger.info('Sufficient waiting time')
# action
print("Implement Actuator Value ", value)
logger.info('Procedure to start actuator %s, for value = %s', element, value)
isok=activateactuator(element, value)
# invia mail, considered as info, not as alert
if (mailtype!="warningonly")and(mailtype!="none"):
textmessage="INFO: " + sensor + " value " + str(sensorvalue) + ", activating:" + element + " with Value " + str(value)
emailmod.sendallmail("alert", textmessage)
if isok:
statusdataDBmod.write_status_data(AUTO_data,element,"lastactiontime",datetime.utcnow())
statusdataDBmod.write_status_data(AUTO_data,element,"actionvalue",value)
else:
logger.info('Need to wait more time')
def autowateringexecute(refsensor, element):
global AUTO_data
sensor = autowateringdbmod.searchdata("element", element, "sensor")
# check the sensor
if refsensor == sensor:
print "auto watering check -----------------------------------------> ", element
logger.info('auto watering check --------------------------> %s',
element)
# check the watering mode
modelist = ["None", "Full Auto", "Emergency Activation", "Alert Only"]
workmode = checkworkmode(element)
if not (sensor in sensordbmod.gettablelist()):
print "Sensor does not exist ", sensor, ", element: ", element
logger.error("Sensor does not exist %s , element: %s ", sensor,
element)
return "sensor not Exist"
maxthreshold = hardwaremod.tonumber(
autowateringdbmod.searchdata("element", element, "threshold")[1],
0)
minthreshold = hardwaremod.tonumber(
autowateringdbmod.searchdata("element", element, "threshold")[0],
maxthreshold)
# exit condition in case of data inconsistency
if minthreshold >= maxthreshold:
print "Data inconsistency , element: ", element
logger.error("Data inconsistency , element: %s ", element)
return "data inconsistency"
now = datetime.now()
nowtime = now.time()
starttimeh = hardwaremod.toint(
autowateringdbmod.searchdata("element", element,
"allowedperiod")[0].split(":")[0], 0)
starttimem = hardwaremod.toint(
autowateringdbmod.searchdata("element", element,
"allowedperiod")[0].split(":")[1], 0)
endtimeh = hardwaremod.toint(
autowateringdbmod.searchdata("element", element,
"allowedperiod")[1].split(":")[0], 1)
endtimem = hardwaremod.toint(
autowateringdbmod.searchdata("element", element,
"allowedperiod")[1].split(":")[1], 0)
starttime = time(starttimeh, starttimem)
endtime = time(endtimeh, endtimem)
duration = 1000 * hardwaremod.toint(
autowateringdbmod.searchdata("element", element, "wtstepsec"), 0)
maxstepnumber = hardwaremod.toint(
autowateringdbmod.searchdata("element", element, "maxstepnumber"),
0)
maxdays = hardwaremod.toint(
autowateringdbmod.searchdata("element", element,
"maxdaysbetweencycles"), 0)
waitingtime = hardwaremod.toint(
autowateringdbmod.searchdata("element", element,
"pausebetweenwtstepsmin"), 0)
mailtype = autowateringdbmod.searchdata("element", element,
"mailalerttype")
minaccepted = hardwaremod.tonumber(
autowateringdbmod.searchdata("element", element,
"sensorminacceptedvalue"), 0.1)
# ------------------------ Workmode split
if workmode == "Full Auto":
# block the wateringplan activation as by definition of "Full Auto"
allowwateringplan[element] = False
# check if inside the allowed time period
print "full Auto Mode"
logger.info('full auto mode --> %s', element)
timeok = isNowInTimePeriod(starttime, endtime, nowtime)
print "inside allowed time ", timeok, " starttime ", starttime, " endtime ", endtime
logger.info('full auto mode')
if timeok:
logger.info('inside allowed time')
belowthr, valid = checkminthreshold(sensor, minthreshold,
minaccepted)
if valid:
if belowthr:
status = "lowthreshold"
logger.info('below threshold')
# wait to seek a more stable reading of hygrometer
# check if time between watering events is larger that the waiting time (minutes)
lastwateringtime = statusdataDBmod.read_status_data(
AUTO_data, element, "lastwateringtime")
print ' Previous watering: ', lastwateringtime, ' Now: ', datetime.now(
)
timedifference = sensordbmod.timediffinminutes(
lastwateringtime, datetime.now())
print 'Time interval between watering steps', timedifference, '. threshold', waitingtime
logger.info(
'Time interval between watering steps %d threshold %d',
timedifference, waitingtime)
if timedifference > waitingtime:
print " Sufficient waiting time"
logger.info('Sufficient waiting time')
# activate watering in case the maxstepnumber is not exceeded
watercounter = statusdataDBmod.read_status_data(
AUTO_data, element, "watercounter")
if maxstepnumber > watercounter:
#activate pump
activatewater(element, duration)
# invia mail, considered as info, not as alert
if mailtype != "warningonly":
textmessage = "INFO: " + sensor + " value below the minimum threshold " + str(
minthreshold
) + ", activating the watering :" + element
emailmod.sendallmail("alert", textmessage)
statusdataDBmod.write_status_data(
AUTO_data, element, "watercounter",
watercounter + 1)
statusdataDBmod.write_status_data(
AUTO_data, element, "lastwateringtime",
datetime.now())
else: # critical, sensor below minimum after all watering activations are done
logger.info(
'Number of watering time per cycle has been exceeeded'
)
# read hystory data and calculate the slope
timelist = hardwaremod.gettimedata(sensor)
cyclestartdate = statusdataDBmod.read_status_data(
AUTO_data, element, "cyclestartdate")
lastwateringtime = statusdataDBmod.read_status_data(
AUTO_data, element, "lastwateringtime")
startdate = cyclestartdate - timedelta(
minutes=timelist[1])
enddate = lastwateringtime + timedelta(
minutes=waitingtime)
isslopeok = checkinclination(
sensor, startdate, enddate
) # still to decide if use the enddate
if isslopeok:
# invia mail if couner alert is lower than 1
alertcounter = statusdataDBmod.read_status_data(
AUTO_data, element, "alertcounter")
if alertcounter < 1:
textmessage = "WARNING: Please consider to increase the amount of water per cycle, the " + sensor + " value below the MINIMUM threshold " + str(
minthreshold
) + " still after activating the watering :" + element + " for " + str(
maxstepnumber
) + " times. System will automatically reset the watering cycle to allow more water"
print textmessage
#send alert mail notification
emailmod.sendallmail(
"alert", textmessage)
logger.error(textmessage)
statusdataDBmod.write_status_data(
AUTO_data, element, "alertcounter",
alertcounter + 1)
# reset watering cycle
status = "done"
statusdataDBmod.write_status_data(
AUTO_data, element, "watercounter", 0)
statusdataDBmod.write_status_data(
AUTO_data, element, "checkcounter", -1)
statusdataDBmod.write_status_data(
AUTO_data, element, "alertcounter", 0)
statusdataDBmod.write_status_data(
AUTO_data, element, "cyclestartdate",
datetime.now())
else: # slope not OK, probable hardware problem
alertcounter = statusdataDBmod.read_status_data(
AUTO_data, element, "alertcounter")
if alertcounter < 3:
textmessage = "CRITICAL: Possible hardware problem, " + sensor + " value below the MINIMUM threshold " + str(
minthreshold
) + " still after activating the watering :" + element + " for " + str(
maxstepnumber) + " times"
print textmessage
#send alert mail notification
emailmod.sendallmail(
"alert", textmessage)
logger.error(textmessage)
statusdataDBmod.write_status_data(
AUTO_data, element, "alertcounter",
alertcounter + 1)
# update the status
checkcounter = statusdataDBmod.read_status_data(
AUTO_data, element, "checkcounter")
statusdataDBmod.write_status_data(
AUTO_data, element, "cyclestatus", status)
statusdataDBmod.write_status_data(
AUTO_data, element, "checkcounter",
checkcounter + 1)
# RAMPUP case above threshold but below maxthreshold
elif sensorreading(
sensor
) < maxthreshold: # intermediate state where the sensor is above the minthreshold but lower than the max threshold
# check the status of the automatic cycle
cyclestatus = statusdataDBmod.read_status_data(
AUTO_data, element, "cyclestatus")
if cyclestatus != "done":
status = "rampup"
# wait to seek a more stable reading of hygrometer
# check if time between watering events is larger that the waiting time (minutes)
lastwateringtime = statusdataDBmod.read_status_data(
AUTO_data, element, "lastwateringtime")
if sensordbmod.timediffinminutes(
lastwateringtime,
datetime.now()) > waitingtime:
watercounter = statusdataDBmod.read_status_data(
AUTO_data, element, "watercounter")
if maxstepnumber > watercounter:
#activate pump
activatewater(element, duration)
# invia mail, considered as info, not as alert
if mailtype != "warningonly":
textmessage = "INFO: " + sensor + " value below the Maximum threshold " + str(
maxthreshold
) + ", activating the watering :" + element
emailmod.sendallmail(
"alert", textmessage)
statusdataDBmod.write_status_data(
AUTO_data, element, "watercounter",
watercounter + 1)
statusdataDBmod.write_status_data(
AUTO_data, element, "lastwateringtime",
datetime.now())
else:
# give up to reache the maximum threshold, proceed as done, send alert
logger.info(
'Number of watering time per cycle has been exceeeded'
)
# invia mail if couner alert is lower than 1 --------------
# only if the info is activated
if mailtype != "warningonly":
alertcounter = statusdataDBmod.read_status_data(
AUTO_data, element, "alertcounter")
if alertcounter < 2:
textmessage = "INFO " + sensor + " value below the Maximum threshold " + str(
maxthreshold
) + " still after activating the watering :" + element + " for " + str(
maxstepnumber) + " times"
print textmessage
#send alert mail notification
emailmod.sendallmail(
"alert", textmessage)
logger.error(textmessage)
statusdataDBmod.write_status_data(
AUTO_data, element,
"alertcounter",
alertcounter + 1)
# reset watering cycle
status = "done"
statusdataDBmod.write_status_data(
AUTO_data, element, "watercounter", 0)
statusdataDBmod.write_status_data(
AUTO_data, element, "checkcounter", -1)
statusdataDBmod.write_status_data(
AUTO_data, element, "alertcounter", 0)
statusdataDBmod.write_status_data(
AUTO_data, element, "cyclestartdate",
datetime.now())
# update the status
checkcounter = statusdataDBmod.read_status_data(
AUTO_data, element, "checkcounter")
statusdataDBmod.write_status_data(
AUTO_data, element, "cyclestatus", status)
statusdataDBmod.write_status_data(
AUTO_data, element, "checkcounter",
checkcounter + 1)
else:
# update the status, reset cycle
statusdataDBmod.write_status_data(
AUTO_data, element, "cyclestatus", "done")
statusdataDBmod.write_status_data(
AUTO_data, element, "checkcounter", 0)
statusdataDBmod.write_status_data(
AUTO_data, element, "watercounter", 0)
statusdataDBmod.write_status_data(
AUTO_data, element, "alertcounter", 0)
elif workmode == "Emergency Activation":
# check if inside the allow time period
logger.info('Emergency Mode')
timeok = isNowInTimePeriod(starttime, endtime, nowtime)
print "inside allowed time ", timeok, " starttime ", starttime, " endtime ", endtime
if timeok:
belowthr, valid = checkminthreshold(sensor, minthreshold,
minaccepted)
if valid:
if belowthr:
# wait to seek a more stable reading of hygrometer
# check if time between watering events is larger that the waiting time (minutes)
lastwateringtime = statusdataDBmod.read_status_data(
AUTO_data, element, "lastwateringtime")
if sensordbmod.timediffinminutes(
lastwateringtime,
datetime.now()) > waitingtime:
# activate watering in case the maxstepnumber is not exceeded
watercounter = statusdataDBmod.read_status_data(
AUTO_data, element, "watercounter")
if maxstepnumber > watercounter:
#activate pump
activatewater(element, duration)
# invia mail, considered as info, not as alert
if mailtype != "warningonly":
textmessage = "INFO: " + sensor + " value below the minimum threshold " + str(
minthreshold
) + ", activating the watering :" + element
emailmod.sendallmail("alert", textmessage)
statusdataDBmod.write_status_data(
AUTO_data, element, "watercounter",
watercounter + 1)
statusdataDBmod.write_status_data(
AUTO_data, element, "lastwateringtime",
datetime.now())
else:
logger.info(
'Number of watering time per cycle has been exceeeded'
)
# read hystory data and calculate the slope
timelist = hardwaremod.gettimedata(sensor)
cyclestartdate = statusdataDBmod.read_status_data(
AUTO_data, element, "cyclestartdate")
lastwateringtime = statusdataDBmod.read_status_data(
AUTO_data, element, "lastwateringtime")
startdate = cyclestartdate - timedelta(
minutes=timelist[1])
enddate = lastwateringtime + timedelta(
minutes=waitingtime)
isslopeok = checkinclination(
sensor, startdate, enddate)
if isslopeok:
# invia mail if couner alert is lower than 1
alertcounter = statusdataDBmod.read_status_data(
AUTO_data, element, "alertcounter")
if alertcounter < 1:
textmessage = "WARNING: Please consider to increase the amount of water per cycle, the " + sensor + " value below the MINIMUM threshold " + str(
minthreshold
) + " still after activating the watering :" + element + " for " + str(
maxstepnumber
) + " times. System will automatically reset the watering cycle to allow more water"
print textmessage
#send alert mail notification alertcounter
emailmod.sendallmail(
"alert", textmessage)
logger.error(textmessage)
statusdataDBmod.write_status_data(
AUTO_data, element, "alertcounter",
alertcounter + 1)
# reset watering cycle
status = "done"
statusdataDBmod.write_status_data(
AUTO_data, element, "watercounter", 0)
statusdataDBmod.write_status_data(
AUTO_data, element, "checkcounter", -1)
statusdataDBmod.write_status_data(
AUTO_data, element, "alertcounter", 0)
statusdataDBmod.write_status_data(
AUTO_data, element, "cyclestartdate",
datetime.now())
else: # slope not OK, probable hardware problem
alertcounter = statusdataDBmod.read_status_data(
AUTO_data, element, "alertcounter")
if alertcounter < 3:
textmessage = "CRITICAL: Possible hardware problem, " + sensor + " value below the MINIMUM threshold " + str(
minthreshold
) + " still after activating the watering :" + element + " for " + str(
maxstepnumber) + " times"
print textmessage
#send alert mail notification
emailmod.sendallmail(
"alert", textmessage)
logger.error(textmessage)
statusdataDBmod.write_status_data(
AUTO_data, element, "alertcounter",
alertcounter + 1)
# update the status
checkcounter = statusdataDBmod.read_status_data(
AUTO_data, element, "checkcounter")
statusdataDBmod.write_status_data(
AUTO_data, element, "cyclestatus", "lowthreshold")
statusdataDBmod.write_status_data(
AUTO_data, element, "checkcounter",
checkcounter + 1)
else:
# update the status
statusdataDBmod.write_status_data(
AUTO_data, element, "cyclestatus", "done")
statusdataDBmod.write_status_data(
AUTO_data, element, "checkcounter", 0)
statusdataDBmod.write_status_data(
AUTO_data, element, "watercounter", 0)
statusdataDBmod.write_status_data(
AUTO_data, element, "alertcounter", 0)
elif workmode == "under MIN over MAX":
logger.info('under MIN over MAX')
# normally watering plan is allowed unless over MAX threshold
allowwateringplan[element] = True
# check if inside the allow time period
timeok = isNowInTimePeriod(starttime, endtime, nowtime)
print "inside allowed time ", timeok, " starttime ", starttime, " endtime ", endtime
if timeok:
logger.info('Insede operative time')
belowthr, valid = checkminthreshold(sensor, minthreshold,
minaccepted)
if valid:
logger.info('valid sensor reading')
if belowthr:
logger.info('sensor reading below threshold')
# wait to seek a more stable reading of hygrometer
# check if time between watering events is larger that the waiting time (minutes)
lastwateringtime = statusdataDBmod.read_status_data(
AUTO_data, element, "lastwateringtime")
if sensordbmod.timediffinminutes(
lastwateringtime,
datetime.now()) > waitingtime:
# activate watering in case the maxstepnumber is not exceeded
watercounter = statusdataDBmod.read_status_data(
AUTO_data, element, "watercounter")
if maxstepnumber > watercounter:
logger.info('water Count not exceeded')
#activate pump
activatewater(element, duration)
# invia mail, considered as info, not as alert
if mailtype != "warningonly":
textmessage = "INFO: " + sensor + " value below the minimum threshold " + str(
minthreshold
) + ", activating the watering :" + element
emailmod.sendallmail("alert", textmessage)
statusdataDBmod.write_status_data(
AUTO_data, element, "watercounter",
watercounter + 1)
statusdataDBmod.write_status_data(
AUTO_data, element, "lastwateringtime",
datetime.now())
else:
logger.info(
'Number of watering time per cycle has been exceeeded'
)
# read hystory data and calculate the slope
timelist = hardwaremod.gettimedata(sensor)
cyclestartdate = statusdataDBmod.read_status_data(
AUTO_data, element, "cyclestartdate")
lastwateringtime = statusdataDBmod.read_status_data(
AUTO_data, element, "lastwateringtime")
startdate = cyclestartdate - timedelta(
minutes=timelist[1])
enddate = lastwateringtime + timedelta(
minutes=waitingtime)
isslopeok = checkinclination(
sensor, startdate, enddate)
if isslopeok:
# invia mail if couner alert is lower than 1
alertcounter = statusdataDBmod.read_status_data(
AUTO_data, element, "alertcounter")
if alertcounter < 1:
textmessage = "WARNING: Please consider to increase the amount of water per cycle, the " + sensor + " value below the MINIMUM threshold " + str(
minthreshold
) + " still after activating the watering :" + element + " for " + str(
maxstepnumber
) + " times. System will automatically reset the watering cycle to allow more water"
print textmessage
#send alert mail notification
emailmod.sendallmail(
"alert", textmessage)
logger.error(textmessage)
statusdataDBmod.write_status_data(
AUTO_data, element, "alertcounter",
alertcounter + 1)
# reset watering cycle
status = "done"
statusdataDBmod.write_status_data(
AUTO_data, element, "watercounter", 0)
statusdataDBmod.write_status_data(
AUTO_data, element, "checkcounter", -1)
statusdataDBmod.write_status_data(
AUTO_data, element, "alertcounter", 0)
statusdataDBmod.write_status_data(
AUTO_data, element, "cyclestartdate",
datetime.now())
else: # slope not OK, probable hardware problem
alertcounter = statusdataDBmod.read_status_data(
AUTO_data, element, "alertcounter")
if alertcounter < 3:
textmessage = "CRITICAL: Possible hardware problem, " + sensor + " value below the MINIMUM threshold " + str(
minthreshold
) + " still after activating the watering :" + element + " for " + str(
maxstepnumber) + " times"
print textmessage
#send alert mail notification
emailmod.sendallmail(
"alert", textmessage)
logger.error(textmessage)
statusdataDBmod.write_status_data(
AUTO_data, element, "alertcounter",
alertcounter + 1)
# update the status
checkcounter = statusdataDBmod.read_status_data(
AUTO_data, element, "checkcounter")
statusdataDBmod.write_status_data(
AUTO_data, element, "cyclestatus", "lowthreshold")
statusdataDBmod.write_status_data(
AUTO_data, element, "checkcounter",
checkcounter + 1)
else: # above minimum threshold
logger.info('sensor reading above min threshold')
# update the status
statusdataDBmod.write_status_data(
AUTO_data, element, "cyclestatus", "done")
statusdataDBmod.write_status_data(
AUTO_data, element, "checkcounter", 0)
statusdataDBmod.write_status_data(
AUTO_data, element, "watercounter", 0)
statusdataDBmod.write_status_data(
AUTO_data, element, "alertcounter", 0)
if sensorreading(sensor) > maxthreshold:
logger.info(
'sensor reading above MAX threshold, deactivate scheduled irrigation'
)
# do not activate the irrigation scheduled in the time plan
allowwateringplan[element] = False
elif workmode == "Alert Only":
belowthr, valid = checkminthreshold(sensor, minthreshold,
minaccepted)
if valid:
if belowthr:
# invia mail if couter alert is lower than
alertcounter = statusdataDBmod.read_status_data(
AUTO_data, element, "alertcounter")
if alertcounter < 2:
textmessage = "WARNING " + sensor + " value below the minimum threshold " + str(
minthreshold) + " watering system: " + element
print textmessage
#send alert mail notification
emailmod.sendallmail("alert", textmessage)
logger.error(textmessage)
statusdataDBmod.write_status_data(
AUTO_data, element, "alertcounter",
alertcounter + 1)
# update the status
checkcounter = statusdataDBmod.read_status_data(
AUTO_data, element, "checkcounter")
statusdataDBmod.write_status_data(AUTO_data, element,
"cyclestatus",
"lowthreshold")
statusdataDBmod.write_status_data(AUTO_data, element,
"checkcounter",
checkcounter + 1)
else:
# update the status
statusdataDBmod.write_status_data(AUTO_data, element,
"cyclestatus", "done")
statusdataDBmod.write_status_data(AUTO_data, element,
"checkcounter", 0)
statusdataDBmod.write_status_data(AUTO_data, element,
"watercounter", 0)
statusdataDBmod.write_status_data(AUTO_data, element,
"alertcounter", 0)
else: # None case
print "No Action required, workmode set to None, element: ", element
logger.info(
"No Action required, workmode set to None, element: %s ",
element)
cyclestatus = statusdataDBmod.read_status_data(AUTO_data, element,
"cyclestatus")
if cyclestatus == "lowthreshold":
checkcounter = statusdataDBmod.read_status_data(
AUTO_data, element, "checkcounter")
if checkcounter == 1:
statusdataDBmod.write_status_data(AUTO_data, element,
"cyclestartdate",
datetime.now())
# implment alert message for the cycle exceeding days, and reset the cycle
if workmode != "None":
cyclestartdate = statusdataDBmod.read_status_data(
AUTO_data, element, "cyclestartdate")
timedeltadays = sensordbmod.timediffdays(datetime.now(),
cyclestartdate)
if (timedeltadays > maxdays
): #the upper limit is set in case of abrupt time change
textmessage = "WARNING " + sensor + " watering cycle is taking too many days, watering system: " + element + ". Reset watering cycle"
print textmessage
# in case of full Auto, activate pump for minimum pulse period
if workmode == "Full Auto":
if (
timedeltadays < maxdays + 2
): #the upper limit is set in case of abrupt time change
textmessage = "WARNING " + sensor + " watering cycle is taking too many days, watering system: " + element + ". Activate Min pulse + Reset watering cycle"
activatewater(element, duration)
#send alert mail notification
if mailtype != "warningonly":
emailmod.sendallmail("alert", textmessage)
logger.error(textmessage)
logger.error("Cycle started %s, Now is %s ",
cyclestartdate.strftime("%Y-%m-%d %H:%M:%S"),
datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
# reset cycle
statusdataDBmod.write_status_data(AUTO_data, element,
"cyclestatus", "done")
statusdataDBmod.write_status_data(AUTO_data, element,
"checkcounter", 0)
statusdataDBmod.write_status_data(AUTO_data, element,
"watercounter", 0)
statusdataDBmod.write_status_data(AUTO_data, element,
"alertcounter", 0)
statusdataDBmod.write_status_data(AUTO_data, element,
"cyclestartdate",
datetime.now())
# implment Critical alert message in case the threshold is below the 0.5 of the minimum
if workmode != "None":
belowthr, valid = checkminthreshold(sensor, minthreshold * 0.5,
minaccepted)
if valid:
if belowthr:
logger.info(
'sensor %s below half of the actual set threshold',
sensor)
textmessage = "CRITICAL: Plant is dying, " + sensor + " reading below half of the minimum threshold, need to check the " + element
print textmessage
#send alert mail notification
alertcounter = statusdataDBmod.read_status_data(
AUTO_data, element, "alertcounter")
if alertcounter < 5:
emailmod.sendallmail("alert", textmessage)
logger.error(textmessage)
statusdataDBmod.write_status_data(
AUTO_data, element, "alertcounter",
alertcounter + 1)
else:
logger.info('sensor %s below valid data', sensor)
textmessage = "WARNING: " + sensor + " below valid data range, need to check sensor"
print textmessage
#send alert mail notification
alertcounter = statusdataDBmod.read_status_data(
AUTO_data, element, "alertcounter")
if alertcounter < 3:
emailmod.sendallmail("alert", textmessage)
logger.error(textmessage)
statusdataDBmod.write_status_data(AUTO_data, element,
"alertcounter",
alertcounter + 1)
return
def autowateringexecute(refsensor,element):
global AUTO_data
sensor=autowateringdbmod.searchdata("element",element,"sensor")
# check the sensor
if refsensor==sensor:
print "auto watering check -----------------------------------------> ", element
logger.info('auto watering check --------------------------> %s', element)
# check the watering mode
modelist=["None", "Full Auto" , "Emergency Activation" , "Alert Only"]
workmode=checkworkmode(element)
if not(sensor in sensordbmod.gettablelist()):
print "Sensor does not exist " ,sensor , ", element: " , element
logger.error("Sensor does not exist %s , element: %s " ,sensor, element)
return "sensor not Exist"
maxthreshold=hardwaremod.tonumber(autowateringdbmod.searchdata("element",element,"threshold")[1],0)
minthreshold=hardwaremod.tonumber(autowateringdbmod.searchdata("element",element,"threshold")[0],maxthreshold)
# exit condition in case of data inconsistency
if minthreshold>=maxthreshold:
print "Data inconsistency , element: " , element
logger.error("Data inconsistency , element: %s " , element)
return "data inconsistency"
now = datetime.now()
nowtime = now.time()
starttimeh=hardwaremod.toint(autowateringdbmod.searchdata("element",element,"allowedperiod")[0].split(":")[0],0)
starttimem=hardwaremod.toint(autowateringdbmod.searchdata("element",element,"allowedperiod")[0].split(":")[1],0)
endtimeh=hardwaremod.toint(autowateringdbmod.searchdata("element",element,"allowedperiod")[1].split(":")[0],1)
endtimem=hardwaremod.toint(autowateringdbmod.searchdata("element",element,"allowedperiod")[1].split(":")[1],0)
starttime=time(starttimeh,starttimem)
endtime=time(endtimeh,endtimem)
duration=1000*hardwaremod.toint(autowateringdbmod.searchdata("element",element,"wtstepsec"),0)
maxstepnumber=hardwaremod.toint(autowateringdbmod.searchdata("element",element,"maxstepnumber"),0)
maxdays=hardwaremod.toint(autowateringdbmod.searchdata("element",element,"maxdaysbetweencycles"),0)
waitingtime=hardwaremod.toint(autowateringdbmod.searchdata("element",element,"pausebetweenwtstepsmin"),0)
mailtype=autowateringdbmod.searchdata("element",element,"mailalerttype")
minaccepted=hardwaremod.tonumber(autowateringdbmod.searchdata("element",element,"sensorminacceptedvalue"),0.1)
# ------------------------ Workmode split
if workmode=="Full Auto":
# block the wateringplan activation as by definition of "Full Auto"
allowwateringplan[element]=False
# check if inside the allowed time period
print "full Auto Mode"
logger.info('full auto mode --> %s', element)
timeok=isNowInTimePeriod(starttime, endtime, nowtime)
print "inside allowed time ", timeok , " starttime ", starttime , " endtime ", endtime
logger.info('full auto mode')
if timeok:
logger.info('inside allowed time')
belowthr,valid=checkminthreshold(sensor,minthreshold,minaccepted)
if valid:
if belowthr:
status="lowthreshold"
logger.info('below threshold')
# wait to seek a more stable reading of hygrometer
# check if time between watering events is larger that the waiting time (minutes)
lastwateringtime=statusdataDBmod.read_status_data(AUTO_data,element,"lastwateringtime")
print ' Previous watering: ' , lastwateringtime , ' Now: ', datetime.now()
timedifference=sensordbmod.timediffinminutes(lastwateringtime,datetime.now())
print 'Time interval between watering steps', timedifference ,'. threshold', waitingtime
logger.info('Time interval between watering steps %d threshold %d', timedifference,waitingtime)
if timedifference>waitingtime:
print " Sufficient waiting time"
logger.info('Sufficient waiting time')
# activate watering in case the maxstepnumber is not exceeded
watercounter=statusdataDBmod.read_status_data(AUTO_data,element,"watercounter")
if maxstepnumber>watercounter:
#activate pump
activatewater(element, duration)
# invia mail, considered as info, not as alert
if mailtype!="warningonly":
textmessage="INFO: " + sensor + " value below the minimum threshold " + str(minthreshold) + ", activating the watering :" + element
emailmod.sendallmail("alert", textmessage)
statusdataDBmod.write_status_data(AUTO_data,element,"watercounter",watercounter+1)
statusdataDBmod.write_status_data(AUTO_data,element,"lastwateringtime",datetime.now())
else: # critical, sensor below minimum after all watering activations are done
logger.info('Number of watering time per cycle has been exceeeded')
# read hystory data and calculate the slope
timelist=hardwaremod.gettimedata(sensor)
cyclestartdate=statusdataDBmod.read_status_data(AUTO_data,element,"cyclestartdate")
lastwateringtime=statusdataDBmod.read_status_data(AUTO_data,element,"lastwateringtime")
startdate=cyclestartdate - timedelta(minutes=timelist[1])
enddate=lastwateringtime + timedelta(minutes=waitingtime)
isslopeok=checkinclination(sensor,startdate,enddate) # still to decide if use the enddate
if isslopeok:
# invia mail if couner alert is lower than 1
alertcounter=statusdataDBmod.read_status_data(AUTO_data,element,"alertcounter")
if alertcounter<1:
textmessage="WARNING: Please consider to increase the amount of water per cycle, the "+ sensor + " value below the MINIMUM threshold " + str(minthreshold) + " still after activating the watering :" + element + " for " + str(maxstepnumber) + " times. System will automatically reset the watering cycle to allow more water"
print textmessage
#send alert mail notification
emailmod.sendallmail("alert", textmessage)
logger.error(textmessage)
statusdataDBmod.write_status_data(AUTO_data,element,"alertcounter",alertcounter+1)
# reset watering cycle
status="done"
statusdataDBmod.write_status_data(AUTO_data,element,"watercounter",0)
statusdataDBmod.write_status_data(AUTO_data,element,"checkcounter",-1)
statusdataDBmod.write_status_data(AUTO_data,element,"alertcounter",0)
statusdataDBmod.write_status_data(AUTO_data,element,"cyclestartdate",datetime.now())
else: # slope not OK, probable hardware problem
alertcounter=statusdataDBmod.read_status_data(AUTO_data,element,"alertcounter")
if alertcounter<3:
textmessage="CRITICAL: Possible hardware problem, "+ sensor + " value below the MINIMUM threshold " + str(minthreshold) + " still after activating the watering :" + element + " for " + str(maxstepnumber) + " times"
print textmessage
#send alert mail notification
emailmod.sendallmail("alert", textmessage)
logger.error(textmessage)
statusdataDBmod.write_status_data(AUTO_data,element,"alertcounter",alertcounter+1)
# update the status
checkcounter=statusdataDBmod.read_status_data(AUTO_data,element,"checkcounter")
statusdataDBmod.write_status_data(AUTO_data,element,"cyclestatus",status)
statusdataDBmod.write_status_data(AUTO_data,element,"checkcounter",checkcounter+1)
# RAMPUP case above threshold but below maxthreshold
elif sensorreading(sensor)<maxthreshold: # intermediate state where the sensor is above the minthreshold but lower than the max threshold
# check the status of the automatic cycle
cyclestatus=statusdataDBmod.read_status_data(AUTO_data,element,"cyclestatus")
if cyclestatus!="done":
status="rampup"
# wait to seek a more stable reading of hygrometer
# check if time between watering events is larger that the waiting time (minutes)
lastwateringtime=statusdataDBmod.read_status_data(AUTO_data,element,"lastwateringtime")
if sensordbmod.timediffinminutes(lastwateringtime,datetime.now())>waitingtime:
watercounter=statusdataDBmod.read_status_data(AUTO_data,element,"watercounter")
if maxstepnumber>watercounter:
#activate pump
activatewater(element, duration)
# invia mail, considered as info, not as alert
if mailtype!="warningonly":
textmessage="INFO: " + sensor + " value below the Maximum threshold " + str(maxthreshold) + ", activating the watering :" + element
emailmod.sendallmail("alert", textmessage)
statusdataDBmod.write_status_data(AUTO_data,element,"watercounter",watercounter+1)
statusdataDBmod.write_status_data(AUTO_data,element,"lastwateringtime",datetime.now())
else:
# give up to reache the maximum threshold, proceed as done, send alert
logger.info('Number of watering time per cycle has been exceeeded')
# invia mail if couner alert is lower than 1 --------------
# only if the info is activated
if mailtype!="warningonly":
alertcounter=statusdataDBmod.read_status_data(AUTO_data,element,"alertcounter")
if alertcounter<2:
textmessage="INFO "+ sensor + " value below the Maximum threshold " + str(maxthreshold) + " still after activating the watering :" + element + " for " + str(maxstepnumber) + " times"
print textmessage
#send alert mail notification
emailmod.sendallmail("alert", textmessage)
logger.error(textmessage)
statusdataDBmod.write_status_data(AUTO_data,element,"alertcounter",alertcounter+1)
# reset watering cycle
status="done"
statusdataDBmod.write_status_data(AUTO_data,element,"watercounter",0)
statusdataDBmod.write_status_data(AUTO_data,element,"checkcounter",-1)
statusdataDBmod.write_status_data(AUTO_data,element,"alertcounter",0)
statusdataDBmod.write_status_data(AUTO_data,element,"cyclestartdate",datetime.now())
# update the status
checkcounter=statusdataDBmod.read_status_data(AUTO_data,element,"checkcounter")
statusdataDBmod.write_status_data(AUTO_data,element,"cyclestatus",status)
statusdataDBmod.write_status_data(AUTO_data,element,"checkcounter",checkcounter+1)
else:
# update the status, reset cycle
statusdataDBmod.write_status_data(AUTO_data,element,"cyclestatus","done")
statusdataDBmod.write_status_data(AUTO_data,element,"checkcounter",0)
statusdataDBmod.write_status_data(AUTO_data,element,"watercounter",0)
statusdataDBmod.write_status_data(AUTO_data,element,"alertcounter",0)
elif workmode=="Emergency Activation":
# check if inside the allow time period
logger.info('Emergency Mode')
timeok=isNowInTimePeriod(starttime, endtime, nowtime)
print "inside allowed time ", timeok , " starttime ", starttime , " endtime ", endtime
if timeok:
belowthr,valid=checkminthreshold(sensor,minthreshold,minaccepted)
if valid:
if belowthr:
# wait to seek a more stable reading of hygrometer
# check if time between watering events is larger that the waiting time (minutes)
lastwateringtime=statusdataDBmod.read_status_data(AUTO_data,element,"lastwateringtime")
if sensordbmod.timediffinminutes(lastwateringtime,datetime.now())>waitingtime:
# activate watering in case the maxstepnumber is not exceeded
watercounter=statusdataDBmod.read_status_data(AUTO_data,element,"watercounter")
if maxstepnumber>watercounter:
#activate pump
activatewater(element, duration)
# invia mail, considered as info, not as alert
if mailtype!="warningonly":
textmessage="INFO: " + sensor + " value below the minimum threshold " + str(minthreshold) + ", activating the watering :" + element
emailmod.sendallmail("alert", textmessage)
statusdataDBmod.write_status_data(AUTO_data,element,"watercounter",watercounter+1)
statusdataDBmod.write_status_data(AUTO_data,element,"lastwateringtime",datetime.now())
else:
logger.info('Number of watering time per cycle has been exceeeded')
# read hystory data and calculate the slope
timelist=hardwaremod.gettimedata(sensor)
cyclestartdate=statusdataDBmod.read_status_data(AUTO_data,element,"cyclestartdate")
lastwateringtime=statusdataDBmod.read_status_data(AUTO_data,element,"lastwateringtime")
startdate=cyclestartdate - timedelta(minutes=timelist[1])
enddate=lastwateringtime + timedelta(minutes=waitingtime)
isslopeok=checkinclination(sensor,startdate,enddate)
if isslopeok:
# invia mail if couner alert is lower than 1
alertcounter=statusdataDBmod.read_status_data(AUTO_data,element,"alertcounter")
if alertcounter<1:
textmessage="WARNING: Please consider to increase the amount of water per cycle, the "+ sensor + " value below the MINIMUM threshold " + str(minthreshold) + " still after activating the watering :" + element + " for " + str(maxstepnumber) + " times. System will automatically reset the watering cycle to allow more water"
print textmessage
#send alert mail notification alertcounter
emailmod.sendallmail("alert", textmessage)
logger.error(textmessage)
statusdataDBmod.write_status_data(AUTO_data,element,"alertcounter",alertcounter+1)
# reset watering cycle
status="done"
statusdataDBmod.write_status_data(AUTO_data,element,"watercounter",0)
statusdataDBmod.write_status_data(AUTO_data,element,"checkcounter",-1)
statusdataDBmod.write_status_data(AUTO_data,element,"alertcounter",0)
statusdataDBmod.write_status_data(AUTO_data,element,"cyclestartdate",datetime.now())
else: # slope not OK, probable hardware problem
alertcounter=statusdataDBmod.read_status_data(AUTO_data,element,"alertcounter")
if alertcounter<3:
textmessage="CRITICAL: Possible hardware problem, "+ sensor + " value below the MINIMUM threshold " + str(minthreshold) + " still after activating the watering :" + element + " for " + str(maxstepnumber) + " times"
print textmessage
#send alert mail notification
emailmod.sendallmail("alert", textmessage)
logger.error(textmessage)
statusdataDBmod.write_status_data(AUTO_data,element,"alertcounter",alertcounter+1)
# update the status
checkcounter=statusdataDBmod.read_status_data(AUTO_data,element,"checkcounter")
statusdataDBmod.write_status_data(AUTO_data,element,"cyclestatus","lowthreshold")
statusdataDBmod.write_status_data(AUTO_data,element,"checkcounter",checkcounter+1)
else:
# update the status
statusdataDBmod.write_status_data(AUTO_data,element,"cyclestatus","done")
statusdataDBmod.write_status_data(AUTO_data,element,"checkcounter",0)
statusdataDBmod.write_status_data(AUTO_data,element,"watercounter",0)
statusdataDBmod.write_status_data(AUTO_data,element,"alertcounter",0)
elif workmode=="under MIN over MAX":
logger.info('under MIN over MAX')
# normally watering plan is allowed unless over MAX threshold
allowwateringplan[element]=True
# check if inside the allow time period
timeok=isNowInTimePeriod(starttime, endtime, nowtime)
print "inside allowed time ", timeok , " starttime ", starttime , " endtime ", endtime
if timeok:
logger.info('Insede operative time')
belowthr,valid=checkminthreshold(sensor,minthreshold,minaccepted)
if valid:
logger.info('valid sensor reading')
if belowthr:
logger.info('sensor reading below threshold')
# wait to seek a more stable reading of hygrometer
# check if time between watering events is larger that the waiting time (minutes)
lastwateringtime=statusdataDBmod.read_status_data(AUTO_data,element,"lastwateringtime")
if sensordbmod.timediffinminutes(lastwateringtime,datetime.now())>waitingtime:
# activate watering in case the maxstepnumber is not exceeded
watercounter=statusdataDBmod.read_status_data(AUTO_data,element,"watercounter")
if maxstepnumber>watercounter:
logger.info('water Count not exceeded')
#activate pump
activatewater(element, duration)
# invia mail, considered as info, not as alert
if mailtype!="warningonly":
textmessage="INFO: " + sensor + " value below the minimum threshold " + str(minthreshold) + ", activating the watering :" + element
emailmod.sendallmail("alert", textmessage)
statusdataDBmod.write_status_data(AUTO_data,element,"watercounter",watercounter+1)
statusdataDBmod.write_status_data(AUTO_data,element,"lastwateringtime",datetime.now())
else:
logger.info('Number of watering time per cycle has been exceeeded')
# read hystory data and calculate the slope
timelist=hardwaremod.gettimedata(sensor)
cyclestartdate=statusdataDBmod.read_status_data(AUTO_data,element,"cyclestartdate")
lastwateringtime=statusdataDBmod.read_status_data(AUTO_data,element,"lastwateringtime")
startdate=cyclestartdate - timedelta(minutes=timelist[1])
enddate=lastwateringtime + timedelta(minutes=waitingtime)
isslopeok=checkinclination(sensor,startdate,enddate)
if isslopeok:
# invia mail if couner alert is lower than 1
alertcounter=statusdataDBmod.read_status_data(AUTO_data,element,"alertcounter")
if alertcounter<1:
textmessage="WARNING: Please consider to increase the amount of water per cycle, the "+ sensor + " value below the MINIMUM threshold " + str(minthreshold) + " still after activating the watering :" + element + " for " + str(maxstepnumber) + " times. System will automatically reset the watering cycle to allow more water"
print textmessage
#send alert mail notification
emailmod.sendallmail("alert", textmessage)
logger.error(textmessage)
statusdataDBmod.write_status_data(AUTO_data,element,"alertcounter",alertcounter+1)
# reset watering cycle
status="done"
statusdataDBmod.write_status_data(AUTO_data,element,"watercounter",0)
statusdataDBmod.write_status_data(AUTO_data,element,"checkcounter",-1)
statusdataDBmod.write_status_data(AUTO_data,element,"alertcounter",0)
statusdataDBmod.write_status_data(AUTO_data,element,"cyclestartdate",datetime.now())
else: # slope not OK, probable hardware problem
alertcounter=statusdataDBmod.read_status_data(AUTO_data,element,"alertcounter")
if alertcounter<3:
textmessage="CRITICAL: Possible hardware problem, "+ sensor + " value below the MINIMUM threshold " + str(minthreshold) + " still after activating the watering :" + element + " for " + str(maxstepnumber) + " times"
print textmessage
#send alert mail notification
emailmod.sendallmail("alert", textmessage)
logger.error(textmessage)
statusdataDBmod.write_status_data(AUTO_data,element,"alertcounter",alertcounter+1)
# update the status
checkcounter=statusdataDBmod.read_status_data(AUTO_data,element,"checkcounter")
statusdataDBmod.write_status_data(AUTO_data,element,"cyclestatus","lowthreshold")
statusdataDBmod.write_status_data(AUTO_data,element,"checkcounter",checkcounter+1)
else: # above minimum threshold
logger.info('sensor reading above min threshold')
# update the status
statusdataDBmod.write_status_data(AUTO_data,element,"cyclestatus","done")
statusdataDBmod.write_status_data(AUTO_data,element,"checkcounter",0)
statusdataDBmod.write_status_data(AUTO_data,element,"watercounter",0)
statusdataDBmod.write_status_data(AUTO_data,element,"alertcounter",0)
if sensorreading(sensor)>maxthreshold:
logger.info('sensor reading above MAX threshold, deactivate scheduled irrigation')
# do not activate the irrigation scheduled in the time plan
allowwateringplan[element]=False
elif workmode=="Alert Only":
belowthr,valid=checkminthreshold(sensor,minthreshold,minaccepted)
if valid:
if belowthr:
# invia mail if couter alert is lower than
alertcounter=statusdataDBmod.read_status_data(AUTO_data,element,"alertcounter")
if alertcounter<2:
textmessage="WARNING "+ sensor + " value below the minimum threshold " + str(minthreshold) + " watering system: " + element
print textmessage
#send alert mail notification
emailmod.sendallmail("alert", textmessage)
logger.error(textmessage)
statusdataDBmod.write_status_data(AUTO_data,element,"alertcounter",alertcounter+1)
# update the status
checkcounter=statusdataDBmod.read_status_data(AUTO_data,element,"checkcounter")
statusdataDBmod.write_status_data(AUTO_data,element,"cyclestatus","lowthreshold")
statusdataDBmod.write_status_data(AUTO_data,element,"checkcounter",checkcounter+1)
else:
# update the status
statusdataDBmod.write_status_data(AUTO_data,element,"cyclestatus","done")
statusdataDBmod.write_status_data(AUTO_data,element,"checkcounter",0)
statusdataDBmod.write_status_data(AUTO_data,element,"watercounter",0)
statusdataDBmod.write_status_data(AUTO_data,element,"alertcounter",0)
else: # None case
print "No Action required, workmode set to None, element: " , element
logger.info("No Action required, workmode set to None, element: %s " , element)
cyclestatus=statusdataDBmod.read_status_data(AUTO_data,element,"cyclestatus")
if cyclestatus=="lowthreshold":
checkcounter=statusdataDBmod.read_status_data(AUTO_data,element,"checkcounter")
if checkcounter==1:
statusdataDBmod.write_status_data(AUTO_data,element,"cyclestartdate",datetime.now())
# implment alert message for the cycle exceeding days, and reset the cycle
if workmode!="None":
cyclestartdate=statusdataDBmod.read_status_data(AUTO_data,element,"cyclestartdate")
timedeltadays=sensordbmod.timediffdays(datetime.now(),cyclestartdate)
if (timedeltadays > maxdays): #the upper limit is set in case of abrupt time change
textmessage="WARNING "+ sensor + " watering cycle is taking too many days, watering system: " + element + ". Reset watering cycle"
print textmessage
# in case of full Auto, activate pump for minimum pulse period
if workmode=="Full Auto":
if (timedeltadays < maxdays+2): #the upper limit is set in case of abrupt time change
textmessage="WARNING "+ sensor + " watering cycle is taking too many days, watering system: " + element + ". Activate Min pulse + Reset watering cycle"
activatewater(element, duration)
#send alert mail notification
if mailtype!="warningonly":
emailmod.sendallmail("alert", textmessage)
logger.error(textmessage)
logger.error("Cycle started %s, Now is %s ", cyclestartdate.strftime("%Y-%m-%d %H:%M:%S"), datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
# reset cycle
statusdataDBmod.write_status_data(AUTO_data,element,"cyclestatus","done")
statusdataDBmod.write_status_data(AUTO_data,element,"checkcounter",0)
statusdataDBmod.write_status_data(AUTO_data,element,"watercounter",0)
statusdataDBmod.write_status_data(AUTO_data,element,"alertcounter",0)
statusdataDBmod.write_status_data(AUTO_data,element,"cyclestartdate",datetime.now())
# implment Critical alert message in case the threshold is below the 0.5 of the minimum
if workmode!="None":
belowthr,valid=checkminthreshold(sensor,minthreshold*0.5,minaccepted)
if valid:
if belowthr:
logger.info('sensor %s below half of the actual set threshold', sensor)
textmessage="CRITICAL: Plant is dying, "+ sensor + " reading below half of the minimum threshold, need to check the " + element
print textmessage
#send alert mail notification
alertcounter=statusdataDBmod.read_status_data(AUTO_data,element,"alertcounter")
if alertcounter<5:
emailmod.sendallmail("alert", textmessage)
logger.error(textmessage)
statusdataDBmod.write_status_data(AUTO_data,element,"alertcounter",alertcounter+1)
else:
logger.info('sensor %s below valid data', sensor)
textmessage="WARNING: "+ sensor + " below valid data range, need to check sensor"
print textmessage
#send alert mail notification
alertcounter=statusdataDBmod.read_status_data(AUTO_data,element,"alertcounter")
if alertcounter<3:
emailmod.sendallmail("alert", textmessage)
logger.error(textmessage)
statusdataDBmod.write_status_data(AUTO_data,element,"alertcounter",alertcounter+1)
return