def setup_aws_shadow_client(host, rootCAPath, privateKeyPath, certificatePath, device_name):
# Configure logging
logger = logging.getLogger("AWSIoTPythonSDK.core")
logger.setLevel(logging.INFO)
streamHandler = logging.StreamHandler()
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
streamHandler.setFormatter(formatter)
logger.addHandler(streamHandler)
# Init AWSIoTMQTTShadowClient
shadow = AWSIoTMQTTShadowClient(device_name + "-client")
shadow.configureEndpoint(host, 8883)
shadow.configureCredentials(rootCAPath, privateKeyPath, certificatePath)
# AWSIoTMQTTShadowClient configuration
shadow.configureAutoReconnectBackoffTime(1, 32, 20)
shadow.configureConnectDisconnectTimeout(10) # 10 sec
shadow.configureMQTTOperationTimeout(5) # 5 sec
#Last Will
shadow.configureLastWill('my/things/' + device_name + '/update', '{"state":{"reported":{"connected":"false"}}}', 1)
# Connect to AWS IoT
shadow.connect()
# Create a deviceShadow with persistent subscription
client = shadow.createShadowHandlerWithName(device_name, True)
return shadow, client
def local_shadow_connect(device_name, config_file, root_ca, certificate,
private_key, group_ca_dir):
cfg = GroupConfigFile(config_file)
ggd_name = cfg['devices'][device_name]['thing_name']
iot_endpoint = cfg['misc']['iot_endpoint']
dip = DiscoveryInfoProvider()
dip.configureEndpoint(iot_endpoint)
dip.configureCredentials(
caPath=root_ca, certPath=certificate, keyPath=private_key
)
dip.configureTimeout(10) # 10 sec
logging.info(
"[shadow_connect] Discovery using CA:{0} cert:{1} prv_key:{2}".format(
root_ca, certificate, private_key
))
gg_core, discovery_info = discover_configured_core(
config_file=config_file, dip=dip, device_name=ggd_name,
)
if not gg_core:
raise EnvironmentError("[core_connect] Couldn't find the Core")
ca_list = discovery_info.getAllCas()
core_list = discovery_info.getAllCores()
group_id, ca = ca_list[0]
core_info = core_list[0]
logging.info("Discovered Greengrass Core:{0} from Group:{1}".format(
core_info.coreThingArn, group_id)
)
group_ca_file = save_group_ca(ca, group_ca_dir, group_id)
# local Greengrass Core discovered
# get a shadow client to receive commands
mqttsc = AWSIoTMQTTShadowClient(ggd_name)
# now connect to Core from this Device
logging.info("[core_connect] gca_file:{0} cert:{1}".format(
group_ca_file, certificate))
mqttsc.configureCredentials(group_ca_file, private_key, certificate)
mqttc = mqttsc.getMQTTConnection()
mqttc.configureOfflinePublishQueueing(10, DROP_OLDEST)
if not mqtt_connect(mqttsc, gg_core):
raise EnvironmentError("connection to Master Shadow failed.")
# create and register the shadow handler on delta topics for commands
# with a persistent connection to the Master shadow
master_shadow = mqttsc.createShadowHandlerWithName(
cfg['misc']['master_shadow_name'], True)
return mqttc, mqttsc, master_shadow, ggd_name
class ThermoApp(App):
DEVICE = '/dev/ttyAMA0'
BAUD = 9600
TIMEOUT = 5
ipaddr=''
lastGPUTempRead=0.0
lastWeatherRead=0.0
lastTempPressHumidRead=0.0
lastShadowUpdate=0.0
lastSetAlerts=0.0
ui = ObjectProperty(None)
zones = ObjectProperty(None)
zonemap=['','17','27','22']
zoneData={
'1':ThermoZone(1,17),
'2':ThermoZone(2,27),
'3':ThermoZone(3,22)
}
furnace=Furnace()
currentZone=1
dataFeed = deque()
deviceData={
'AA':ThermoDevice('AA',2,'master'),
'AB':ThermoDevice('AB',2,'tess'),
'AC':ThermoDevice('AC',2,'kate'),
'AD':ThermoDevice('AD',3,'girls'),
'AE':ThermoDevice('AE',1,'snug'),
'AF':ThermoDevice('AF',1,'living'),
'AG':ThermoDevice('AG',0,'porch'),
'AH':ThermoDevice('AH',1,'ground'),
'BM':ThermoDevice('BM',0,'thermo'),
'AW':ThermoDevice('AW',0,'weather'),
'PI':ThermoDevice('PI',0,'GPU')}
ser = serial.Serial(DEVICE, BAUD)
voltage = 0.0
tempvale = 0.0
pressure = 0.0
weather = []
sensor = BME280(mode=BME280_OSAMPLE_8)
host='a2pveb84akyryv.iot.us-east-1.amazonaws.com'
rootCAPath='rootca.key'
privateKeyPath='bdca28f300.private.key'
certificatePath='bdca28f300.cert.pem'
# -e a2pveb84akyryv.iot.us-east-1.amazonaws.com -r rootca.key -c bdca28f300.cert.pem -k bdca28f300.private.key
def show_config(self):
App.open_settings(self)
Window.request_keyboard(self.keyboard_close, self)
def keyboard_close(self):
#print "close"
return
def build_config(self, config):
config.setdefaults('startup', {
'weatherText': 'foobar',
'picSource': 'weather/1.jpg'
})
self.config=config
def build_settings(self, settings):
jsondata = """[
{ "type": "title",
"title": "Thermo application" },
{ "type": "options",
"title": "Initial Weather",
"desc": "Weather Pic",
"section": "startup",
"key": "picSource",
"options": ["weather/1.jpg", "weather/images.jpg", "weather/part_coudy.jpg"] },
{ "type": "string",
"title": "Weather Title",
"desc": "Weather Text",
"section": "startup",
"key": "weatherText" }]"""
settings.add_json_panel('Thermo application', self.config, data=jsondata)
def build(self):
self.ui=ThermoWidget()
self.ui.weatherText='ThermoWidget'
self.ui.picSource='weather/1.jpg'
self.ui.tempDataText="temps"
self.ui.setPointText="0.0"
self.ui.ipAddressText="192.168.0.0"
self.ui.averageTempText="0.0"
self.ui.zoneAlertsText="Loading..."
btn=self.ui.ids['increase']
btn.bind(on_release=self.increaseSetPoint)
btn=self.ui.ids['decrease']
btn.bind(on_release=self.decreaseSetPoint)
self.zones=self.ui.ids['zones']
for z in range(0,4):
btnstate='down' if self.currentZone==z else 'normal'
btn = ToggleButton(
allow_no_selection=False,
text=str(z),
group='zonegroup',
size_hint=(None, None),
halign='center',
state=btnstate,
background_normal='normal.png',
background_down='down.png')
btn.bind(on_release=self.switch_zone)
self.zones.add_widget(btn)
self.ui.weatherText=self.config.get('startup', 'weatherText')
temp = subprocess.check_output(["ifconfig","wlan0"],universal_newlines=True)
pos1=temp.find("inet addr:")
pos2=temp.find(" Bcast:")
self.ui.ipAddressText=temp[pos1+10:pos2]
self.connectMQTT()
Clock.schedule_interval(self.mainLoop, 10.0)
return self.ui
def switch_zone(self,toggle):
self.currentZone=int(toggle.text)
self.updateDisplay()
pass
def increaseSetPoint(self,instance):
self.zoneData[str(self.currentZone)].setPoint+=5.0/9.0
self.takeAction()
self.updateDisplay()
pass
def decreaseSetPoint(self,instance):
self.zoneData[str(self.currentZone)].setPoint-=5.0/9.0
self.takeAction()
self.updateDisplay()
pass
def loadConfig(self):
# read config file into memory vars
return
def avgZone(self,zonenum):
tot=0.0
cnt=0
for i in self.deviceData:
device=self.deviceData[i]
if(device.zone==zonenum):
tot+=float(device.temp)
if(device.temp>0.0):
cnt+=1
if cnt==0:
cnt=1
return tot/cnt
def connectMQTT(self):
self.myShadowClient = AWSIoTMQTTShadowClient("thermo")
#self.myAWSIoTMQTTClient = AWSIoTMQTTClient("thermo")
self.myShadowClient.configureEndpoint(self.host, 8883)
self.myShadowClient.configureCredentials(self.rootCAPath, self.privateKeyPath, self.certificatePath)
# myShadowClient connection configuration
self.myShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
self.myShadowClient.connect()
self.myAWSIoTMQTTClient = self.myShadowClient.getMQTTConnection()
self.myAWSIoTMQTTClient.configureOfflinePublishQueueing(-1) # Infinite offline Publish queueing
self.myAWSIoTMQTTClient.configureDrainingFrequency(2) # Draining: 2 Hz
self.myAWSIoTMQTTClient.configureConnectDisconnectTimeout(10) # 10 sec
self.myAWSIoTMQTTClient.configureMQTTOperationTimeout(5) # 5 sec
# Connect and subscribe to AWS IoT
#self.myAWSIoTMQTTClient.connect()
# myAWSIoTMQTTClient.subscribe("thermo", 1, customCallback)
# self.myAWSIoTMQTTClient.publish("thermo", "[[\'"+(strftime(DATE_FORMAT,localtime())+"\','TT','START','1']]", 1)
# Create a device shadow instance using persistent subscription
self.myDeviceShadow = self.myShadowClient.createShadowHandlerWithName("mythermo", True)
return
def updateDeviceShadow(self):
if(time()-self.lastShadowUpdate > 300):
thingState={
"state" : {
"reported" : {
"sensors" : {
},
"zones" : {
},
"furnace" : {
}
}
}
}
for i in self.deviceData:
device=self.deviceData[i]
thingState["state"]["reported"]["sensors"][device.id]={"temp":tformat(device.temp),"location":device.location,"batt":device.batt,"alert":device.alert,"lastupdate":device.lastupdate,"press":device.press,"humid":device.humid}
for i in self.zoneData:
zone=self.zoneData[i]
thingState["state"]["reported"]["zones"][zone.id]={"status":zone.status, "average":tformat(zone.average), "setPoint":tformat(zone.setPoint), "triggertemp":tformat(zone.triggertemp), "alert":zone.alert}
thingState["state"]["reported"]["furnace"]={"onSeconds":self.furnace.onSeconds,"offSeconds":self.furnace.offSeconds,"maxBurnSeconds":self.furnace.maxBurnSeconds,"maxRestSeconds":self.furnace.maxRestSeconds,"status":self.furnace.status,"lastupdate":self.furnace.lastupdate}
self.myDeviceShadow.shadowUpdate(json.dumps(thingState), None, 5)
self.lastShadowUpdate=time()
return
def updateDisplay(self):
# draw everything
# if click then show subpanel or change config
self.ui.setPointText="{:2.0f}".format(self.zoneData[str(self.currentZone)].setPoint*9/5+32.0)
self.ui.averageTempText=tformat(self.avgZone(self.currentZone))
self.ui.tempDataText=''
zonealerts='Alerts:'
for i in self.deviceData:
device=self.deviceData[i]
thisDeviceText=tformat(device.temp)
thisDeviceText+=" "+device.location+" "+device.alert
self.ui.tempDataText+=thisDeviceText+'\n'
for i in self.zoneData:
zone=self.zoneData[i]
if(len(zone.alert)>0):
zonealerts+=" Zone"+str(zone.id)+" "+zone.alert
self.ui.zoneAlertsText=zonealerts
return
def readSensors(self):
# get data from serial RF sensors
# get data from remote PI
# all data in memory only in this function
# get temperature
# messages are 12chars aIDTYPEVALUE aIDAWAKE---- or aIDSLEEPING-
# returns -100 on error, or the temperature as a float
fim = time()+ self.TIMEOUT
voltage = 0
tempvalue = -100
deviceid = ''
while (time()<fim) and (tempvalue == -100):
n = self.ser.inWaiting()
if n != 0:
data = self.ser.read(n)
nb_msg = len(data) / 12
for i in range (0, nb_msg):
msg = data[i*12:(i+1)*12]
deviceid = msg[1:3]
if self.deviceData.has_key(deviceid):
device=self.deviceData[deviceid]
device.lastupdate=strftime(DATE_FORMAT,localtime())
if msg[3:7] == "TEMP":
tempvalue = msg[7:]
device.temp=tempvalue
self.dataFeed.append((strftime(DATE_FORMAT,localtime()), deviceid, "TEMP", tempvalue))
if msg[3:7] == "BATT":
voltage = msg[7:11]
if voltage == "LOW":
voltage = 0.1
device.batt=voltage
self.dataFeed.append((strftime(DATE_FORMAT,localtime()), deviceid+'B', "BATT", voltage))
else:
sleep(5)
return
def getPiSensorData(self):
if(time()-self.lastGPUTempRead > 60):
temp = ""
temp = subprocess.check_output(["/opt/vc/bin/vcgencmd","measure_temp"],universal_newlines=True)
temp = temp[5 : -3]
device=self.deviceData['PI']
device.lastupdate=strftime(DATE_FORMAT,localtime())
device.temp=temp
self.dataFeed.append((strftime(DATE_FORMAT,localtime()), "PI", "TEMP", temp))
self.lastGPUTempRead = time()
return
def getConnectedSensorData(self):
if(time()-self.lastTempPressHumidRead > 60):
# get BME280 data
temp=self.sensor.read_temperature()-1.0
press=self.sensor.read_pressure()
humid=self.sensor.read_humidity()
self.pressure=press
device=self.deviceData['BM']
device.lastupdate=strftime(DATE_FORMAT,localtime())
device.temp=temp
device.press=press
device.humid=humid
self.dataFeed.append((strftime(DATE_FORMAT,localtime()), "BM", "TEMP", temp))
self.dataFeed.append((strftime(DATE_FORMAT,localtime()), "BP", "PRESS", press))
self.dataFeed.append((strftime(DATE_FORMAT,localtime()), "BH", "HUMID", humid))
self.lastTempPressHumidRead = time()
def getWeather(self):
if(time()-self.lastWeatherRead > 1800):
# get and parse AccuWeather data
cur = re.compile('Currently: (.*)<')
link = "http://rss.accuweather.com/rss/liveweather_rss.asp?metric=0&locCode=US|44022"
f = urllib.urlopen(link)
myfile = f.read()
tempvalue = cur.search(myfile).group(1)
temp=tempvalue[-4:-1]
pos=tempvalue.find(":")
description=tempvalue[0:-5] if pos<0 else tempvalue[0:pos]
description=description.replace(" ","_").lower()
# print("description = [" + description +"]")
device=self.deviceData['AW']
device.lastupdate=strftime(DATE_FORMAT,localtime())
device.temp=(float(temp)-32)*5/9
if device.desc<>description :
self.ui.picSource='weather/'+description+'.jpg' if 6 < localtime()[3] < 18 else 'weather/'+description+'_dark.jpg'
device.desc=description
self.ui.weatherText = tempvalue
self.dataFeed.append((strftime(DATE_FORMAT,localtime()), "AW", "NEWS", tempvalue))
self.lastWeatherRead = time()
return
def setAlerts(self):
# Reasons for alerts:
# sensor battery level below 2.3
# sensor not reporting ( sensor data age > 5x reporting )
# temperature not under control = falling when attempting to raise
# alert if temp not correct direction for 10 minutes
# need control switch date time
if(time()-self.lastSetAlerts > 1800):
for i in self.deviceData:
device=self.deviceData[i]
device.alert=""
if (not device.batt is None) & (device.batt<2.5):
device.alert="LOW"
self.dataFeed.append((strftime(DATE_FORMAT,localtime()), "ALERT", "LOW Battery in "+device.location, device.batt))
self.lastSetAlerts = time()
if (len(device.lastupdate)>0) & (device.id!='AW'):
age = datetime.datetime.strptime(strftime(DATE_FORMAT,localtime()),DATE_FORMAT) - datetime.datetime.strptime(device.lastupdate,DATE_FORMAT)
#print "{} {}".format(device.location,age.seconds)
if ( age.seconds > 600 ):
device.alert="OLD"
self.dataFeed.append((strftime(DATE_FORMAT,localtime()), "ALERT", "NO Response in "+device.location, age.seconds))
self.lastSetAlerts = time()
for i in self.zoneData:
zone=self.zoneData[i]
zone.alert=""
if (zone.status):
age = datetime.datetime.strptime(strftime(DATE_FORMAT,localtime()),DATE_FORMAT) - datetime.datetime.strptime(zone.lastupdate,DATE_FORMAT)
if (age.seconds>600):
zone.alert="OOC"
self.dataFeed.append((strftime(DATE_FORMAT,localtime()), "ALERT", "OOC in zone "+str(zone.id), tformat(zone.average)))
self.lastSetAlerts = time()
return
def uploadData(self):
# put the data in the cloud or cache in a file until sucess
# add it to the memory deque
# if the deque > 10 try to upload it and any pending updates
# else throw a flag for pending updates and write to a file
if len(self.dataFeed)>10:
try:
# write to a file
#print " write to file"
with open("Output.txt", "a") as text_file:
for record in self.dataFeed:
text_file.write("{},{},{},{}\r\n".format(record[0],record[1],record[2],record[3]))
# write to cloud
#print " write to cloud"
self.myAWSIoTMQTTClient.publish("thermo", json.dumps(list(self.dataFeed)), 1)
# clear the deque
self.dataFeed.clear()
except:
print("Unexpected error in uploadData:", sys.exc_info()[0])
return
def downloadRequests(self):
# get cloud data or web requests
return
def controlZone(self,zone,on,avg):
zoneentry=self.zoneData[str(zone)]
subprocess.call(["gpio", "-g", "write", str(zoneentry.port), "1" if on else "0"])
furnaceWasOn=False
for i in self.zoneData:
furnaceWasOn|=self.zoneData[i].status
if(zoneentry.status != on):
zoneentry.status=on
furnaceIsOn=False
for i in self.zoneData:
furnaceIsOn|=self.zoneData[i].status
if(furnaceIsOn!=furnaceWasOn):
self.furnace.status=furnaceIsOn
if (len(self.furnace.lastupdate)>0):
age = datetime.datetime.strptime(strftime(DATE_FORMAT,localtime()),DATE_FORMAT) - datetime.datetime.strptime(self.furnace.lastupdate,DATE_FORMAT)
# if it is now on - age is how long it was off
if(furnaceIsOn):
self.furnace.offSeconds+=age.seconds
if(age.seconds>self.furnace.maxRestSeconds):
self.furnace.maxRestSeconds=age.seconds
# if it is now off - age is how long it was on
else:
self.furnace.onSeconds+=age.seconds
if(age.seconds>self.furnace.maxBurnSeconds):
self.furnace.maxBurnSeconds=age.seconds
self.furnace.lastupdate=strftime(DATE_FORMAT,localtime())
zoneentry.lastupdate=strftime(DATE_FORMAT,localtime())
zoneentry.triggertemp=avg
return
def takeAction(self):
# contains all rules to make decisions based on data
for i in self.zoneData:
zone=self.zoneData[i]
zone.average=self.avgZone(zone.id)
if(zone.average<10.0):
self.controlZone(zone.id,False,zone.average)
return
#print "average in zone {} is {}".format(zone.id,zone.average)
if(zone.average<zone.setPoint-0.5):
self.controlZone(zone.id,True,zone.average)
#turn it on
if(zone.average>zone.setPoint):
self.controlZone(zone.id,False,zone.average)
#turn it off
return
def mainLoop(self,args):
try:
#print 'config'
self.loadConfig()
#print 'getWeather'
self.getWeather()
#print 'getPI'
self.getPiSensorData()
#print 'getBME'
self.getConnectedSensorData()
#print 'read'
self.readSensors()
#print 'alerts'
self.setAlerts()
#print 'update'
self.updateDisplay()
#print 'update shadow'
self.updateDeviceShadow()
#print 'upload'
self.uploadData()
#print 'download'
self.downloadRequests()
#print 'action'
self.takeAction()
except:
type_, value_, traceback_ = sys.exc_info()
print "EXCEPTION {}\r\n{}\r\n{}".format(type_, value_, traceback.format_tb(traceback_))
self.dataFeed.append(value_)
return
newPayload = '{"state":{"reported":' + deltaMessage + '}}'
self.deviceShadowInstance.shadowUpdate(newPayload, None, 5)
LEDPIN = 14
GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(False) # Ignore warning for now
GPIO.setup(LEDPIN, GPIO.OUT, initial=GPIO.LOW)
clientId = "mypythoncodeled"
thingName = "LED"
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(clientId)
myAWSIoTMQTTShadowClient.configureEndpoint(
"a2c6vtfn7g8m57-ats.iot.us-east-1.amazonaws.com", 8883)
myAWSIoTMQTTShadowClient.configureCredentials("root-CA.pem",
"LED-private.pem.key",
"LED.pem.crt")
# Connect to AWS IoT
myAWSIoTMQTTShadowClient.connect()
deviceShadowHandler = myAWSIoTMQTTShadowClient.createShadowHandlerWithName(
thingName, True)
shadowCallbackContainer_Bot = shadowCallbackContainer(deviceShadowHandler)
# Listen on deltas
deviceShadowHandler.shadowRegisterDeltaCallback(
shadowCallbackContainer_Bot.customShadowCallback_Delta)
# Loop forever
while True:
SHADOW_HANDLER = "ColorPiRpi"
# Automatically called whenever the shadow is updated.
def myShadowUpdateCallback(payload, responseStatus, token):
print()
print('UPDATE: $aws/things/' + SHADOW_HANDLER + '/shadow/update/#')
print("payload = " + payload)
print("responseStatus = " + responseStatus)
print("token = " + token)
# Create, configure, and connect a shadow client.
myShadowClient = AWSIoTMQTTShadowClient(SHADOW_CLIENT)
myShadowClient.configureEndpoint(HOST_NAME, 8883)
myShadowClient.configureCredentials(ROOT_CA, PRIVATE_KEY, CERT_FILE)
myShadowClient.configureConnectDisconnectTimeout(10)
myShadowClient.configureMQTTOperationTimeout(5)
myShadowClient.connect()
# Create a programmatic representation of the shadow.
myDeviceShadow = myShadowClient.createShadowHandlerWithName(
SHADOW_HANDLER, True)
# Keep generating random test data until this script
# stops running.
# To stop running this script, press Ctrl+C.
while True:
# Generate random True or False test data to represent
# okay or low moisture levels, respectively.
moisture = random.choice([True, False])
# Configure logging
logger = logging.getLogger("AWSIoTPythonSDK.core")
logger.setLevel(logging.DEBUG)
streamHandler = logging.StreamHandler()
formatter = logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(message)s')
streamHandler.setFormatter(formatter)
logger.addHandler(streamHandler)
# Init AWSIoTMQTTShadowClient
myAWSIoTMQTTShadowClient = None
if useWebsocket:
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(clientId,
useWebsocket=True)
myAWSIoTMQTTShadowClient.configureEndpoint(host, 443)
myAWSIoTMQTTShadowClient.configureCredentials(rootCAPath)
else:
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(clientId)
myAWSIoTMQTTShadowClient.configureEndpoint(host, 8883)
myAWSIoTMQTTShadowClient.configureCredentials(rootCAPath, privateKeyPath,
certificatePath)
# AWSIoTMQTTShadowClient configuration
myAWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(10) # 10 sec
myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(5) # 5 sec
# Connect to AWS IoT
myAWSIoTMQTTShadowClient.connect()
#myAWSIoTMQTTShadowClient.shadowGet(customShadowCallback_Delta, 5)
print("Error in discovery!")
print("Type: %s" % str(type(e)))
print("Error message: %s" % e.message)
retryCount -= 1
print("\n%d/%d retries left\n" % (retryCount, MAX_DISCOVERY_RETRIES))
print("Backing off...\n")
backOffCore.backOff()
if not discovered:
print("Discovery failed after %d retries. Exiting...\n" %
(MAX_DISCOVERY_RETRIES))
sys.exit(-1)
# Iterate through all connection options for the core and use the first successful one
myAWSIoTShadowClient = AWSIoTMQTTShadowClient(clientId)
myAWSIoTShadowClient.configureCredentials(groupCA, privateKeyPath,
certificatePath)
myAWSIoTShadowClient.configureConnectDisconnectTimeout(10) # 10 sec
myAWSIoTShadowClient.configureMQTTOperationTimeout(5) # 5 sec
connected = False
for connectivityInfo in coreInfo.connectivityInfoList:
currentHost = connectivityInfo.host
currentPort = connectivityInfo.port
print("Trying to connect to core at %s:%d" % (currentHost, currentPort))
myAWSIoTShadowClient.configureEndpoint(currentHost, currentPort)
try:
myAWSIoTShadowClient.connect()
connected = True
break
except BaseException as e:
print("Error in connect!")
# Use Amazon's basicShadowUpdater.py sample to test the AWS connection
# Original code at https://github.com/aws/aws-iot-device-sdk-python/blob/master/samples/basicShadow/basicShadowUpdater.py
import time
import serial
from AWSIoTPythonSDK.MQTTLib import AWSIoTMQTTShadowClient
from callbacks import AWS_ShadowCallback_Update, customShadowCallback_Delete
from AWS_details import LoginDetails as details # Separate place to store login details in.
# Create an AWS IoT MQTT Client using TLSv1.2 Mutual Authentication
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(details["appName"])
myAWSIoTMQTTShadowClient.configureEndpoint(details["hostname"],
details["port"])
myAWSIoTMQTTShadowClient.configureCredentials(details["rootCertificate"],
details["privateKey"],
details["certificate"])
# AWS IoT MQTT Client connection configuration
myAWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(10) # 10 sec
myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(5) # 5 sec
myAWSIoTMQTTShadowClient.connect() # Connect to AWS IoT
deviceShadowHandler = myAWSIoTMQTTShadowClient.createShadowHandlerWithName(
details["thingName"], True)
# Delete shadow JSON doc.
# Note: If there is no data to be deleted, it will be rejected (doesn't crash/stop the program)
deviceShadowHandler.shadowDelete(customShadowCallback_Delete, 5)
def Callback_func_Update(payload, responseStatus, token):
print("Update")
print(responseStatus)
Client_ID = "raspberrypi_lambda"
Thing_Name = "raspberrypi_2"
Host_Name = "a89fa2yt1cyk2-ats.iot.us-west-2.amazonaws.com" #End Point
Root_CA = "/var/task/root-CA.crt"
Private_Key = "/var/task/249263565b-private.pem.key"
Cert_File = "/var/task/249263565b-certificate.pem.crt"
Client = AWSIoTMQTTShadowClient(Client_ID)
Client.configureEndpoint(Host_Name, 8883)
Client.configureCredentials(Root_CA, Private_Key, Cert_File)
Client.configureConnectDisconnectTimeout(10)
Client.configureMQTTOperationTimeout(5)
Client.connect()
#Handler = Client.createShadowHandlerWithName(Thing_Name, True)
'''
Handler = Client.createShadowHandlerWithName(Thing_Name, True)
m = {"state": {"reported": {"connecting" : None }}}
Handler.shadowUpdate(json.dumps(m), Callback_func_Update,5)
'''
'''
Handler = Client.createShadowHandlerWithName(Thing_Name, True)
m = {"state": {"reported": {"connecting" : "0" }}}
Handler.shadowUpdate(json.dumps(m), Callback_func_Update,5)
'''
args = parseArgs()
if not args.certificatePath or not args.privateKeyPath:
parser.error("Missing credentials for authentication.")
exit(2)
# If no --port argument is passed, default to 8883
if not args.port:
args.port = 8883
# Init AWSIoTMQTTShadowClient
myAWSIoTMQTTShadowClient = None
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(args.clientId)
myAWSIoTMQTTShadowClient.configureEndpoint(args.host, args.port)
myAWSIoTMQTTShadowClient.configureCredentials(args.rootCAPath,
args.privateKeyPath,
args.certificatePath)
# AWSIoTMQTTShadowClient connection configuration
myAWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(10) # 10 sec
myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(5) # 5 sec
# Connect to AWS IoT
myAWSIoTMQTTShadowClient.connect()
# Create a device shadow handler, use this to update and delete shadow document
deviceShadowHandler = myAWSIoTMQTTShadowClient.createShadowHandlerWithName(
args.thingName, True)
# Delete current shadow JSON doc
class Iota:
# Device State
outlet1 = "off"
outlet2 = "off"
motion = "false"
temperature = 0.0
sense = None
thingEndpoint = "a3lybv9v64fkof.iot.us-west-2.amazonaws.com"
awsDir = "/home/dennis/.aws"
# awsDir = "/users/denni/aws"
credentialFiles = (awsDir + "/aws-iot-root-ca.pem",
awsDir + "/b498bb82fa-private.pem.key",
awsDir + "/b498bb82fa-certificate.pem.crt")
def __init__(self):
logging.basicConfig(filename='iota.log', level=logging.DEBUG)
#logging.basicConfig(stream=sys.__stdout__, level=logging.INFO)
self.log = logging
self.log.info('init(): creating an instance of Iota')
self.connect()
self.log.info('init(): retrieving AWS Shadow')
self.shadow = self.client.createShadowHandlerWithName("iota", True)
self.log.info('init(): registering delta callback')
self.log.info('init(): Iota created')
# Setup the Arduino Firmata interface
self.log.info('init(): setting-up firmata')
self.board = None
for i in range(0, 10):
if os.path.exists('/dev/ttyACM' + str(i)):
self.log.info('init(): firmata: found serial device: ' +
'/dev/ttyACM' + str(i))
self.board = Arduino('/dev/ttyACM' + str(i))
break
self.log.info('init(): getting iterator for board')
it = util.Iterator(self.board)
it.start()
self.log.info('init(): started iterator for board')
self.board.analog[0].enable_reporting()
self.board.analog[1].enable_reporting()
self.d7 = self.board.get_pin('d:7:i')
self.d8 = self.board.get_pin('d:8:o')
self.d9 = self.board.get_pin('d:9:o')
self.log.info('init(): finished firmata setup')
def __del__(self):
self.log.info("del(): disconnecting")
self.disconnect()
def connect(self):
self.log.info('init(): connecting to AWS Shadow')
self.client = AWSIoTMQTTShadowClient("iota")
self.client.configureEndpoint(self.thingEndpoint, 8883)
self.client.configureCredentials(*self.credentialFiles)
self.client.configureConnectDisconnectTimeout(10) # 10 sec
self.client.configureMQTTOperationTimeout(5) # 5 sec
self.client.connect()
self.log.info('init(): connected to AWS Shadow')
def disconnect(self):
self.log.info('disconnect(): disconnecting device client from AWS')
self.client.disconnect()
self.log.info('disconnect(): disconnected device client from AWS')
def onResponse(self, payload, responseStatus, token):
try:
self.log.info("iota.onResponse(): responseStatus: " +
responseStatus)
# logging.debug("iota.onResponse(): responseStatus: " + responseStatus)
response = json.loads(payload)
pretty = json.dumps(response, indent=4)
self.log.info("onResponse(): responseStatus: " +
str(responseStatus) + ", token: " + str(token) +
", payload: " + str(pretty))
# logging.debug("onResponse(): responseStatus: " + str(responseStatus) + ", token: " + str(token) + ", payload: " + str(ps))
self.log.info("iota.onResponse(): payload: " + str(pretty))
except Exception as ex:
self.log.info("onResponse() exception: " + str(ex))
def onDelta(self, payload, responseStatus, token):
try:
self.log.info("iota.onDelta(): responseStatus: " + responseStatus)
changes = []
deltas = json.loads(payload)
pretty = json.dumps(deltas, indent=4)
for delta in deltas['state'].keys():
if delta == "outlet1":
value = deltas['state'][delta]
if value in ['on', 'off']:
self.setOutlet1(value)
changes.append((
delta,
value,
))
else:
self.log.info(
'onDelta() invalid value for delta update to: ' +
str(value))
elif delta == "outlet2":
value = deltas['state'][delta]
if value in ['on', 'off']:
self.setOutlet2(value)
changes.append((
delta,
value,
))
else:
self.log.info(
'onDelta() invalid value for delta update to: ' +
str(value))
if len(changes) > 0:
self.log.info('onDelta() detected changes to: ' + str(changes))
self.shadowUpdate(reported=changes)
self.log.info("onDelta(): responseStatus: " + str(responseStatus) +
", token: " + str(token) + ", payload: " +
str(pretty))
except Exception as ex:
self.log.info("onDelta() exception: " + str(ex))
def shadowUpdate(self, reported=None, desired=None):
self.log.info(
'iota.shadowUpdate(): starting. preparing to update device shadow for reported: '
+ str(reported) + ", or desired: " + str(desired))
update = {'state': {'reported': {}, 'desired': {}}}
if reported is not None:
for change in reported:
update['state']['reported'][change[0]] = change[1]
if desired is not None:
for change in desired:
update['state']['desired'][change[0]] = change[1]
doc = json.dumps(update)
self.log.info(
'iota.shadowUpdate(): calling shadow.shadowUpdate. srcJSONPayload: '
+ doc)
self.shadow.shadowUpdate(doc, onResponse, 5)
self.log.info(
'iota.shadowUpdate(): finished request to update device shadow')
def getShadow(self):
logging.info("getShadow(): retrieving shadow doc from AWS")
shadow = self.shadow.shadowGet(onResponse, 5)
return (shadow)
def getOutlet1(self):
logging.info("getOutlet1: getting value of outlet1")
return self.outlet1
def setOutlet1(self, value):
if value in ['on', 'off']:
logging.info("setOutlet1: setting value of outlet1 to: " + value)
self.outlet1 = value
if value == 'on':
self.d8.write(False)
else:
self.d8.write(True)
else:
logging.error(
"setOutlet1: invalid value given for setting outlet1: " +
value)
def getOutlet2(self):
logging.info("getOutlet2: getting value of outlet2")
return self.outlet2
def setOutlet2(self, value):
if value in ['on', 'off']:
logging.info("setOutlet2 setting value of outlet2 to: " + value)
self.outlet2 = value
if value == 'on':
self.d9.write(False)
else:
self.d9.write(True)
else:
logging.error(
"setOutlet2: invalid value given for setting outlet2: " +
value)
def getTemp(self):
logging.info("getTemp(): getting temperature through Firmata")
return (str(round(self.board.analog[1].read() * 500)))
def getRH(self):
logging.info("getTemp(): getting relative humidity through Firmata")
return (str(round(100 * self.board.analog[0].read())))
def getMotion(self):
logging.info("getTemp(): getting motion through Firmata")
mot = self.d7.read()
if mot == None:
return 'na'
else:
return str(mot)
def setMotion(self, value):
if value in ['true', 'false']:
logging.info("setMotion setting value of motion to: " + value)
self.motion = value
else:
logging.error(
"setMotion: invalid value given for setting motion: " + value)
def getSense(self):
logging.info("getSense(): getting values of all sensors")
return ((
self.getTemp(),
self.getRH(),
self.getMotion(),
))
def listen(self):
while True:
# sense = (temp, rh, motion)
sense = self.getSense()
if self.sense is None or sense != self.sense:
changes = []
'''
if self.sense[0] != sense[0]:
changes.append( ("temp", sense[0],) )
if self.sense[1] != sense[1]:
changes.append( ("rh", sense[1],) )
if self.sense[2] != sense[2]:
changes.append( ("motion", sense[2],) )
'''
changes.append((
"temp",
sense[0],
))
changes.append((
"rh",
sense[1],
))
changes.append((
"motion",
sense[2],
))
self.shadowUpdate(reported=changes)
self.sense = sense
time.sleep(1)
class ThermoSimAppGUI:
_usage = """Usage:
Make sure that you put all your credentials under: ./certs/
with the following naming conventions:
Root CA file: *CA.crt
Certificate file (not required if using MQTT over WebSocket): *.pem.crt
Private key file (not required if using MQTT over WebSocket): *.pem.key
Use X.509 certificate based mutual authentication:
python ThermostatSimulatorApp -e <endpoint>
Use MQTT over WebSocket:
python ThermostatSimulatorApp -e <endpoint> -w
Type "python ThermostatSimulatorApp -h" for detailed command line options.
"""
_helpInfo = """Available command line options:
-e, --endpoint: Your custom AWS IoT custom endpoint
-w, --websocket: Use MQTT over websocket
-h, --help: Help infomation
"""
def __init__(self):
# Init data members
# Connection related
self._endpoint = ""
self._rootCAFilePathList = ""
self._certificateFilePathList = ""
self._privateKeyFilePathList = ""
self._useWebsocket = False
self._AWSIoTMQTTShadowClient = None
self._thermostatSimulatorShadowHandler = None
# GUI related
self._tkRootHandler = tkinter.Tk()
self._reportedDataVariable = None
self._reportedDataDisplayBox = None
self._desiredDataVariable = None
self._desiredDataDisplayBox = None
self._setTemperatureInputBox = None
self._setTemperatureButton = None
# Check command line inputs
if not self._checkInputs():
raise ValueError("Malformed/Missing command line inputs.")
# Create and configure AWSIoTMQTTShadowClient
self._AWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient("ThermostatSimulatorApp", useWebsocket=self._useWebsocket)
if self._useWebsocket:
self._AWSIoTMQTTShadowClient.configureEndpoint(self._endpoint, 443)
self._AWSIoTMQTTShadowClient.configureCredentials(self._rootCAFilePathList[0])
else:
self._AWSIoTMQTTShadowClient.configureEndpoint(self._endpoint, 8883)
self._AWSIoTMQTTShadowClient.configureCredentials(self._rootCAFilePathList[0], self._privateKeyFilePathList[0], self._certificateFilePathList[0])
self._AWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(1, 128, 20)
self._AWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(10)
self._AWSIoTMQTTShadowClient.configureMQTTOperationTimeout(5)
# Set keepAlive interval to be 1 second and connect
# Raise exception if there is an error in connecting to AWS IoT
self._AWSIoTMQTTShadowClient.connect(5)
self._thermostatSimulatorShadowHandler = self._AWSIoTMQTTShadowClient.createShadowHandlerWithName("room", True)
# Generate GUI
self._packModule()
# Validate command line inputs
# Return False there is any malformed inputs
# Return True if all the necessary inputs have been discovered
def _checkInputs(self):
gotEoughInputs = True
# Check command line inputs
try:
opts, args = getopt.getopt(sys.argv[1:], "hwe:", ["endpoint=", "websocket", "help"])
if len(opts) == 0:
raise getopt.GetoptError("No input parameters")
for opt, arg in opts:
if opt in ("-e", "--endpoint"):
self._endpoint = arg
if opt in ("-w", "--websocket"):
self._useWebsocket = True
if opt in ("-h", "--help"):
print(self._helpInfo)
gotEoughInputs = False
except getopt.GetoptError:
print(self._usage)
gotEoughInputs = False
# Check credential files
if gotEoughInputs:
self._rootCAFilePathList = glob.glob("./certs/*CA.crt")
if self._useWebsocket:
gotEoughInputs = gotEoughInputs and len(self._rootCAFilePathList) != 0
if not gotEoughInputs:
print("Missing rootCA in ./certs/")
else:
self._certificateFilePathList = glob.glob("./certs/*.pem.crt")
self._privateKeyFilePathList = glob.glob("./certs/*.pem.key")
gotEoughInputs = gotEoughInputs and len(self._rootCAFilePathList) != 0 and len(self._certificateFilePathList) != 0 and len(self._privateKeyFilePathList) != 0
if not gotEoughInputs:
print("Missing rootCA, certificate or private key in ./certs/")
return gotEoughInputs
def _packModule(self):
self._tkRootHandler.title("ThermostatSimulatorApp")
self._tkRootHandler.geometry("500x250")
self._tkRootHandler.resizable(width=False, height=False)
# Pack all frames
baseFrame = tkinter.Frame(self._tkRootHandler)
temperatureFrame = tkinter.Frame(baseFrame)
temperatureFrame.pack(side="top")
controlPanelFrame = tkinter.Frame(baseFrame)
controlPanelFrame.pack(side="bottom")
baseFrame.pack()
# Pack all modules for temperature frame
self._reportedDataVariable = tkinter.StringVar()
self._reportedDataVariable.set("XX.X F")
reportedDataTag = tkinter.Label(temperatureFrame, text="Reported Temperature:", justify="left")
self._reportedDataDisplayBox = tkinter.Label(temperatureFrame, textvariable=self._reportedDataVariable, font=("Arial", 55), justify="left")
#
self._desiredDataVariable = tkinter.StringVar()
self._desiredDataVariable.set("XX.X F")
desiredDataTag = tkinter.Label(temperatureFrame, text="Desired Temperature:", justify="left")
self._desiredDataDisplayBox = tkinter.Label(temperatureFrame, textvariable=self._desiredDataVariable, font=("Arial", 55), justify="left")
#
reportedDataTag.pack()
self._reportedDataDisplayBox.pack()
desiredDataTag.pack()
self._desiredDataDisplayBox.pack()
# Create a callback pool
self._callbackPoolHandler = ThermoSimAppCallbackPool(self._tkRootHandler, self._reportedDataDisplayBox, self._thermostatSimulatorShadowHandler, self._reportedDataVariable, self._desiredDataVariable)
# Pack all modules for control panel frame
self._setTemperatureInputBox = tkinter.Entry(controlPanelFrame)
self._setTemperatureInputBox.pack(sid="left")
self._setTemperatureButton = tkinter.Button(controlPanelFrame, text="SET", command=lambda: self._callbackPoolHandler.buttonCallback(self._setTemperatureInputBox, self._desiredDataVariable))
self._setTemperatureButton.pack()
def runApp(self):
# Start and run the app
self._tkRootHandler.after(500, self._callbackPoolHandler.sendShadowGetForReportedTemperature) # per 500ms
self._tkRootHandler.after(500, self._callbackPoolHandler.updateReportedTemperatureDataVariable) # per 500ms
self._tkRootHandler.mainloop()
print "Shadow Update Sent"
# Create a deviceShadow with persistent subscription
shadow = AWSIoTMQTTShadowClient(thingName)
# Setup our MQTT client and security certificates
# Make sure your certificate names match what you downloaded from AWS IoT
# Use the endpoint from the settings page in the IoT console
shadow.configureEndpoint(iotEndpoint, 8883)
# rootCA.pem is the same for all devices
# private.key is device-name.private.key from the ZIP file
# cert.pem is device-name.cert.pem from the ZIP file
shadow.configureCredentials("credentials/rootCA.pem",
"credentials/private.key", "credentials/cert.pem")
# AWSIoTMQTTShadowClient configuration
shadow.configureAutoReconnectBackoffTime(1, 32, 20)
shadow.configureConnectDisconnectTimeout(10) # 10 sec
shadow.configureMQTTOperationTimeout(5) # 5 sec
# Connect to AWS IoT
shadow.connect()
print "Connect to IoT Core"
# Create a deviceShadow with persistent subscription
deviceShadowHandler = shadow.createShadowHandlerWithName(thingName, True)
# Listen on deltas
deviceShadowHandler.shadowRegisterDeltaCallback(customShadowCallback_Delta)
class AWS_RPI:
def __init__(self):
# Cofigure logging
self.logger = logging.getLogger("AWSIoTPythonSDK.core")
self.logger.setLevel(logging.DEBUG)
self.streamHandler = logging.StreamHandler()
self.formatter = logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(message)s')
self.streamHandler.setFormatter(self.formatter)
self.logger.addHandler(self.streamHandler)
self.awsiotHost = "a130ba174k0fld-ats.iot.us-west-2.amazonaws.com"
self.awsiotPort = 443
self.rootCAPath = "/home/pi/Mirror/cerf/VeriSign-Class3-Public-Primary-Certification-Authority-G5.pem"
self.privateKeyPath = "/home/pi/Mirror/cerf/78755df119-private.pem.key"
self.certificatePath = "/home/pi/Mirror/cerf/78755df119-certificate.pem.crt"
self.myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient("RPI_RULE")
self.myAWSIoTMQTTShadowClient.configureEndpoint(
self.awsiotHost, self.awsiotPort)
self.myAWSIoTMQTTShadowClient.configureCredentials(
self.rootCAPath, self.privateKeyPath, self.certificatePath)
self.myAWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(
1, 32, 10)
self.myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(
10) # 10sec
self.myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(5) #5sec
self.myAWSIoTMQTTShadowClient._AWSIoTMQTTClient.configureOfflinePublishQueueing(
5, AWSIoTPythonSDK.core.util.enums.DropBehaviorTypes.DROP_OLDEST
) # Infinite offline Publish queueing
#connect to AWS IoT
self.myAWSIoTMQTTShadowClient.connect()
#create a devcie Shadow with persistent subscription
self.thingName = "my_rpi"
self.deviceShadowHandler = self.myAWSIoTMQTTShadowClient.createShadowHandlerWithName(
self.thingName, True)
self.temperature = ""
self.humidity = ""
self.window = "True"
self.human_presence = "True"
def myShadowCallback_get(self, payload, responseStatus, token):
# payload is a JSON string which will be parsed by jason lib
print("into myShadowCallback_get")
if (responseStatus == "timeout"):
return 0
if (responseStatus == "accepted"):
payloadDict = json.loads(payload)
self.temperature = payloadDict["state"]["reported"]["temperature"]
self.humidity = payloadDict["state"]["reported"]["humidity"]
self.window = payloadDict["state"]["reported"]["window_is_open"]
self.human_presence = payloadDict["state"]["reported"][
"people_at_home"]
if (responseStatus == "rejected"):
return -1
def myShadowGet(self, timeout=5):
print("into myShadowGet")
self.deviceShadowHandler.shadowGet(self.myShadowCallback_get, timeout)
#Import SDK packages
import json
from AWSIoTPythonSDK.MQTTLib import AWSIoTMQTTClient
from AWSIoTPythonSDK.MQTTLib import AWSIoTMQTTShadowClient
#for cert based connection
myShadowClient = AWSIoTMQTTShadowClient("raspberry-pi")
myShadowClient.configureEndpoint("a1xugslbalqdxo.iot.us-east-1.amazonaws.com", 8883)
myShadowClient.configureCredentials("/home/pi/python_mqtt/aws-iot-certs/rootCA.pem.crt",
"/home/pi/python_mqtt/aws-iot-certs/c6417d9f55-private.pem.key",
"/home/pi/python_mqtt/aws-iot-certs/c6417d9f55-certificate.pem.crt")
#myShadowClient.configureConnectionDisconnectTimeout(10)
myShadowClient.configureMQTTOperationTimeout(5)
myShadowClient.connect()
myDeviceShadow = myShadowClient.createShadowHandlerWithName("Bot", True)
payload = json.dumps({
"state":{
"reported": {
"this_thing_is_alive": "I am Raspberry"
}
}
})
#myDeviceShadow.shadowGet(customCallback, 5)
#myDeviceShadow.shadowUpdate(payload, shadowUpdate, 5)
except KeyError as e:
pass
finally:
return device_shadow.shadowUpdate(json.dumps(state),None,5)
def killAll(processList):
for i in processList:
i.kill()
led = gpiozero.LED(21)
s3 = boto3.client('CLIENT_ID','ACCESS KEY', 'SECRET ACCESS KEY', region_name = 'us-east-1')
bucket_name = 'YOUR BUCKET NAME'
shadow_client = AWSIoTMQTTShadowClient("CLIENT ID")
shadow_client.configureEndpoint("YOUR ENDPOINT", 8883)
shadow_client.configureCredentials("ROOT CA","YOUR PRIVATE KEY", "YOUR CERTIFICATE")
device_shadow = shadow_client.createShadowHandlerWithName(
"Room_security_1", True)
device_shadow2 = shadow_client.createShadowHandlerWithName(
"Garage_Lights_1", True)
shadow_client.configureConnectDisconnectTimeout(10)
shadow_client.configureMQTTOperationTimeout(5)
shadow_client.connect(1200)
while True:
device_shadow.shadowGet(shadow_get_callback, 5)
time.sleep(2)
device_shadow2.shadowGet(light_shadow_get_callback, 5)
time.sleep(2)
class IotClient:
def __init__(self, cfg, vehicle, delta_callback=None):
self.vehicle = vehicle
self.model_num = 0
self._shadow_client = AWSIoTMQTTShadowClient(cfg.CLIENT_NAME)
self._shadow_client.configureEndpoint(cfg.IOT_ENDPOINT, 8883)
self._shadow_client.configureCredentials(cfg.ROOT_CERT_PATH,
cfg.PRIVATE_KEY_PATH,
cfg.CERT_PATH_PATH)
self._shadow_client.configureConnectDisconnectTimeout(10) # 10 sec
self._shadow_client.configureMQTTOperationTimeout(5) # 5 sec
if not self._shadow_client.connect():
print("Cannot connect to IoT. This is bad.")
self.shadow_handler = self._shadow_client.createShadowHandlerWithName(
cfg.THING_NAME, True)
# Delete any existing shadow and create a fresh one
self.shadow_handler.shadowDelete(self._delete_callback, 5)
self.shadow = {
"state": {
"reported": {
"location": 0,
"destination": 0,
"current_order": "0",
}
}
}
self.shadow_handler.shadowUpdate(json.dumps(self.shadow),
self._update_callback, 5)
# Create subscription to shadow delta topic to receive delivery requests
if delta_callback:
self.shadow_handler.shadowRegisterDeltaCallback(delta_callback)
else:
self.shadow_handler.shadowRegisterDeltaCallback(
self._delta_callback)
def _update_callback(self, payload, response_status, token):
'''
Callback function invoked when the shadow handler updates the thing shadow.
'''
if response_status == "timeout":
print("Update request " + token + " time out!")
if response_status == "accepted":
payload_dict = json.loads(payload)
print("~~~~~~~~~~~~~~~~~~~~~~~")
print("Update request with token: " + token + " accepted!")
print("Current location: " +
str(payload_dict["state"]["reported"]["location"]))
print("~~~~~~~~~~~~~~~~~~~~~~~\n\n")
if response_status == "rejected":
print("Update request " + token + " rejected!")
def _delete_callback(self, payload, response_status, token):
'''
Callback function invoked when the shadow handler deletes the thing shadow.
'''
if response_status == "timeout":
print("Delete request " + token + " time out!")
if response_status == "accepted":
print("~~~~~~~~~~~~~~~~~~~~~~~")
print("Delete request with token: " + token + " accepted!")
print("~~~~~~~~~~~~~~~~~~~~~~~\n\n")
if response_status == "rejected":
print("Delete request " + token + " rejected!")
def _delta_callback(self, payload, response_status, token):
'''
Callback function invoked when the shadow handler receives a new, desired state.
'''
print("++++++++DELTA++++++++++")
print("Response status: " + response_status)
print("Payload: " + payload)
payload_dict = json.loads(payload)
self._set_model_num(payload_dict)
print("+++++++++++++++++++++++\n\n")
# self.move_vehicle(model_num)
self.shadow_handler.shadowUpdate(json.dumps(self.shadow),
self._update_callback, 5)
def _set_model_num(self, payload_dict):
'''
**Description**
Set the model number for the delivery (or for return to kitchen)
This function also updates reported local shadow to match desired
location and current_order.
'''
# The contents of the delta payload will tell us what action to take
desired_state = payload_dict['state']
if 'destination' in desired_state and 'current_order' in desired_state:
if desired_state['destination'] is not 0: # moving to a table
# Get the model to get to the table
self.model_num = desired_state['destination']
# Update shadow with new values
self.shadow['state']['reported'][
'location'] = -1 # -1 for moving
self.shadow['state']['reported'][
'destination'] = desired_state['destination']
self.shadow['state']['reported'][
'current_order'] = desired_state['current_order']
print("Model # to use: " + str(self.model_num))
print("Current shadow: " + str(self.shadow))
elif desired_state['destination'] is 0: # going back to kitchen
# The same model we used to get to the table we use to get back to the kitchen
self.model_num = self.shadow['state']['reported'][
'destination']
# Update shadow with new values
self.shadow['state']['reported'][
'location'] = -1 # -1 for moving
self.shadow['state']['reported'][
'destination'] = desired_state['destination']
self.shadow['state']['reported'][
'current_order'] = desired_state['current_order']
print("Model # to use: " + str(self.model_num))
print("Current shadow: " + str(self.shadow))
def get_model_num(self):
'''
**Description**
Get the model number for the delivery (or for return to kitchen)
'''
return self.model_num
def moving(self):
'''
**Description**
Return True if the rover should be moving, False if not
'''
return self.shadow['state']['reported']['location'] is -1
def get_destination(self):
'''
**Description**
Return the current destination
'''
return self.shadow['state']['reported']['destination']
# def move_vehicle(self, model_num):
# '''
# **Description**
# Uses the specified model number to create a new Keras part for vehicle
# then calls vehicle.run to move the rover to the desired destination.
# '''
# # Get the current Keras part from vehicle to load new model
# print("Using model at " + self.cfg.MODEL_MAP[model_num])
# self.vehicle.get("KerasCategorical").load(self.cfg.MODEL_MAP[model_num])
# try:
# self.vehicle.run(rate_hz=self.cfg.DRIVE_LOOP_HZ,
# max_loop_count=self.cfg.MAX_LOOPS)
# except KeyboardInterrupt:
# print('pausing')
# self.vehicle.pause()
# self.update_shadow_after_stop()
# print("leaving move_vehicle")
def update_shadow_after_stop(self):
'''
Call when the rover stops moving. Update the shadow to reflect that the rover has reached
it's destination.
'''
print("Updating shadow...")
self.shadow['state']['reported']['location'] = self.shadow['state'][
'reported']['destination']
self.shadow_handler.shadowUpdate(json.dumps(self.shadow),
self._update_callback, 5)
def update_shadow_demo_lite(self):
'''
Called when the rover stops moving after driving the loop during the lite demo scenario.
The rover has driven either the left or right path and has returned to the starting point.
Shadow should be reset to initial state.
'''
print("Resetting shadow...")
# Delete any existing shadow and create a fresh one. Doing this right now cause it's easy
# This should be changed if I start dev on this again.
self.shadow_handler.shadowDelete(self._delete_callback, 5)
self.shadow = {
"state": {
"reported": {
"location": 0,
"destination": 0,
"current_order": "0",
}
}
}
self.shadow_handler.shadowUpdate(json.dumps(self.shadow),
self._update_callback, 5)
def iot_setup():
# imports variable to be configured and used in delta_handler f(x)
global myDeviceShadow
# Get device configuration details
with open('config.json', 'r') as cfg:
device = json.load(cfg)
thing_uid = device['thing_uid']
# Get keyfile paths
key_dir = f'{os.getcwd()}/keys/'
if os.path.exists(key_dir):
try:
with open(f'{key_dir}{thing_uid}.pem.crt', 'r') as r:
root_file = f'{key_dir}RootCA.pem'
key_file = f'{key_dir}{thing_uid}.private.key'
crt_file = f'{key_dir}{thing_uid}.pem.crt'
except FileNotFoundError as err:
print(f'Issue with filenames in <{key_dir}>')
print(str(err))
else:
print(f'Path <{key_dir} does not exist; verify working directory')
# Certificate based connection
myShadowClient = AWSIoTMQTTShadowClient(thing_uid)
print(f'Shadow Client: {myShadowClient}')
print(f'Shadow Client ID: {thing_uid}')
# Configuration for TLS mutual authentication
myShadowClient.configureEndpoint(device['endpt'], int(device['prt']))
myShadowClient.configureCredentials(root_file, key_file, crt_file)
myShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
myShadowClient.configureConnectDisconnectTimeout(10) # 10 sec
myShadowClient.configureMQTTOperationTimeout(5) # 5 sec
print('shadow client configured')
myShadowClient.connect()
print('shadow client connected')
# Create a device shadow instance using persistent subscriptions
myDeviceShadow = myShadowClient.createShadowHandlerWithName(
thing_uid, True)
with open('default_payloads.json', 'r') as defaults:
tmp = json.load(defaults)
shadow_doc = tmp['default_shadow']
payload = tmp['default_payload']
# Shadow operations
#init_shadow = myDeviceShadow.shadowGet(customShadowCallback, 5)
shadow_doc['state']['reported']['property'] = 0
shadow_doc['state']['reported']['state'] = 'initialized'
shadow_doc['state']['reported']['time'] = f'{datetime.now()}'
myDeviceShadow.shadowUpdate(json.dumps(shadow_doc),
customShadowCallback_Update, 5)
#myDeviceShadow.shadowDelete(customShadowCallback_Delete, 5)
myDeviceShadow.shadowRegisterDeltaCallback(customShadowCallback_Delta)
#myDeviceShadow.shadowUnregisterDeltaCallback()
print('shadow handler configured')
# MQTT Client operations
myMQTTClient = myShadowClient.getMQTTConnection()
payload['mssg'] = 'MQTT live'
payload['time'] = f'{datetime.now()}'
payload['uid'] = thing_uid
myMQTTClient.subscribe('myTopic', 1, customMssgCallback)
sleep(0.1)
myMQTTClient.publish("myTopic", json.dumps(payload), 0)
print('mqtt client connection active')
return (myDeviceShadow, myMQTTClient, payload)
class Robot:
"""
Class Robot.
Used to interact with the robot, it needs a cloud instance
"""
command = None
class Commands:
"""
The robot mqtt command class.
Used for the mqtt commands
"""
start: None
stop: None
pause: None
dock: None
status: None
find: None
resume: None
def __init__(self, robot):
"""
Declare the partial functools.
Used to gate what command are sent through mqtt
"""
self.start = functools.partial(robot._cmd, 'start')
self.stop = functools.partial(robot._cmd, 'stop')
self.pause = functools.partial(robot._cmd, 'pause')
self.dock = functools.partial(robot._cmd, 'dock')
self.status = functools.partial(robot._cmd, 'status')
self.find = functools.partial(robot._cmd, 'find')
self.resume = functools.partial(robot._cmd, 'resume')
def __init__(self, cloud=None, rid=None, output_raw=None):
"""
Initialize the robot instance.
Check if a cloud is provided and
set the current map id.
"""
self.command = Robot.Commands(self)
# alias for hass
self.send_command = self._cmd
# if no cloud connexion is passed,create one using provided credentials
if not cloud:
raise Exception('You need to provide a cloud connection')
else:
self._cloud = cloud
# use provided id or first robot available
if rid:
self._id = rid
else:
self._id = list(self._cloud.robots())[0]
self._current_map_id = None
self._current_user_pmapv_id = None
self.maps()
self.device = None
self.output_raw = output_raw
self.name = None
self.shadow_client = None
def connect(self):
"""
Instantiate mqtt clients and delete them when exiting.
We use AWSIoTMQTTShadowClient to create our MQTT connection.
This manager will close the connection on exit
"""
self.shadow_client = AWSIoTMQTTShadowClient(self._cloud.app_id +
str(os.urandom(6)),
useWebsocket=True)
self.shadow_client.configureEndpoint(self._cloud.mqtt_endpoint, 443)
setuppath = '/usr/local/etc/aws-root-ca1.cer'
pippath = site.USER_SITE if path.exists(
"%s/usr/local/etc/aws-root-ca1.cer" %
site.USER_SITE) else get_python_lib()
cerpath = setuppath if path.exists(
setuppath) else "%s/usr/local/etc/aws-root-ca1.cer" % pippath
self.shadow_client.configureCredentials(cerpath)
self.shadow_client.configureIAMCredentials(self._cloud.access_key_id,
self._cloud.secret_key,
self._cloud.session_token)
self.shadow_client.configureAutoReconnectBackoffTime(1, 128, 20)
self.shadow_client.configureConnectDisconnectTimeout(10)
self.shadow_client.configureMQTTOperationTimeout(5)
# Set keepAlive interval to be 1 second and connect
# Raise exception if there is an error in connecting to AWS IoT
try:
if not self.shadow_client.connect(5):
raise Exception('AWSIoTMQTTShadowClientCouldNotConnect')
except ValueError as e:
logger.error(
"shadow_client.connect returned '%s'"
', credentials are not authorized.', str(e))
return -1
self.device = self.shadow_client.createShadowHandlerWithName(
self._id, True)
self.connection = self.shadow_client.getMQTTConnection()
logger.info('[+] mqtt connected')
def disconnect(self):
"""Disconnect the mqtt stuff."""
logger.info('[+] mqtt disconnected')
self.connection.disconnect()
# return maps and set active one
def maps(self):
"""
Return the map lists.
Used to return a map lists and to set the active one in the instance
only retrieve first map for now (fixme)
"""
maps = []
params = {'visible': 'true', 'activeDetails': '1'}
maps = self._cloud.api.get(self._id, 'pmaps', params=params)
if maps:
path = ['active_pmapv_details', 'active_pmapv', 'pmap_id']
self._current_map_id = maps[0][path[0]][path[1]][path[2]]
self._current_user_pmapv_id = maps[0]['user_pmapv_id']
return maps
def rooms(self):
"""
Return the room lists.
Retrieve a correctly formated room list for humans
"""
if self.maps():
return (self.maps()[0]['active_pmapv_details']['regions'])
else:
return []
def missions(self):
"""
Return achieved mission list.
return a json with the list of the finished missions and their statuses
"""
params = {'filterType': 'omit_quickly_canceled_not_scheduled'}
return self._cloud.api.get(self._id, 'missionhistory', params=params)
def evac_history(self):
"""
Return logs of evacuations.
return a json with logs of evacuations
"""
params = {'robotId': self._id, 'maxAge': 90}
return self._cloud.api.get('evachistory', params=params)
def timeline(self):
"""
Return event timeline.
return a json with the event timeline
"""
params = {'event_type': 'HKC', 'details_type_filter': 'all'}
return self._cloud.api.get('robots',
self._id,
'timeline',
params=params)
def vector_map(self, map_id=None, user_pmapv_id=None):
"""
Return a map as json.
Return a json with coordinates of the map
and history of the mission if any.
"""
if not map_id:
map_id = self._current_map_id
if not user_pmapv_id:
user_pmapv_id = self._current_user_pmapv_id
return self._cloud.api.get(self._id, 'pmaps', map_id, 'versions',
user_pmapv_id, 'umf')
def _make_payload(self, room_ids, cmd):
payload = {
'state': 'desired',
'command': cmd,
'initiator': 'rmtApp',
'ordered': 0,
}
if cmd == 'start' and room_ids:
logger.info('start cleaning of :')
for room_id in room_ids.split(','):
logger.info(' - %s (%s)', self.get_room_name(room_id),
room_id)
regions = [{'type':'rid', 'region_id': room_id}
for room_id in room_ids.split(',')] \
if ',' in room_ids else [{'region_id': room_ids, 'type': 'rid'}]
payload.update({
'pmap_id': self._current_map_id,
'regions': regions,
'user_pmapv_id': self._current_user_pmapv_id
})
return payload
def _cmd(self, cmd, room_ids=None, print_output=_output_status):
topic = '%s/things/%s/cmd' % (self._cloud.mqtt_topic, self._id)
qos = 1
payload = self._make_payload(room_ids, cmd)
if cmd == 'status':
try:
self.device.shadowGet(print_output, 5)
except Exception as e:
logger.info('shadow get failed, exception: %s', e)
logger.info('trying to refresh the connection (and the aws \
credentials)')
self.disconnect()
self.connect()
self.device.shadowGet(print_output, 5)
self.device.shadowRegisterDeltaCallback(print_output)
return 0 # exit(0)
logger.info('executing command %s on robot %s, payload : %s', cmd,
self._id, payload)
if self.connection.publish(topic, json.dumps(payload), qos):
try:
self.device.shadowGet(print_output, 5)
except Exception as e:
logger.info('shadow get failed, exception: %s', e)
logger.info('trying to refresh the connection (and the aws \
credentials)')
self.disconnect()
self.connect()
self.device.shadowGet(print_output, 5)
self.device.shadowRegisterDeltaCallback(print_output)
else:
raise Exception('MqttPublish%sError' % cmd)
def current_state(self, state):
"""Return state as expected by the hass module."""
# https://github.com/NickWaterton/Roomba980-Python/blob/master/roomba/roomba.py
states = {
'charge': 'Charging',
'new': 'New Mission',
'run': 'Running',
'resume': 'Running',
'hmMidMsn': 'Recharging',
'recharge': 'Recharging',
'stuck': 'Stuck',
'hmUsrDock': 'User Docking',
'dock': 'Docking',
'dockend': 'Docking - End Mission',
'cancelled': 'Cancelled',
'stop': 'Stopped',
'pause': 'Paused',
'hmPostMsn': 'End Mission',
'': None
}
return states[state]
def set_preference(self, **kwargs):
"""Set preferences in robot (not implemented)."""
logger.info('Set preference not implemented for %s', self._id)
logger.info('-- Received keys --')
if kwargs is not None:
for key, value in kwargs.iteritems():
logger.info('%s == %s' % (key, value))
logger.info('-- End of Received keys --')
def get_room_id(self, name):
"""Get room id from name."""
for room in self.rooms():
if name == room['name']:
return room['id']
def get_room_name(self, room_id):
"""Get room name from id."""
for room in self.rooms():
if room_id == room['id']:
return room['name']
class MyMQTTClient:
"""
Client to maintain a connection between the Raspberry Pi and the IoT Shadow.
"""
def __init__(self, display, workout):
self.display = display
self.workout = workout
self.shadowClient = AWSIoTMQTTShadowClient(clientId)
self.shadowClient.configureEndpoint(host, port)
self.shadowClient.configureCredentials(rootCAPath, privateKeyPath,
certificatePath)
self.shadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
self.shadowClient.configureConnectDisconnectTimeout(10)
self.shadowClient.configureMQTTOperationTimeout(1)
self.display.updateStatus("Connecting to AWS IoT...")
self.display.update()
self.shadowClient.connect()
self.shadowHandler = self.shadowClient.createShadowHandlerWithName(
thingName, True)
self.shadowHandler.shadowRegisterDeltaCallback(self.delta_callback)
self.gotoIdle()
self.display.updateStatus("")
self.display.update()
def isIdle(self):
return self.shadowState['intensity'] == "Idle"
def gotoIdle(self):
self.shadowState = {
'intensity': "Idle",
'duration': None,
'distance': None
}
update = {
'state': {
'reported': self.shadowState,
'desired': self.shadowState
}
}
self.shadowHandler.shadowUpdate(json.dumps(update), None, 5)
def delta_callback(self, payload, token, arg):
delta = json.loads(payload)['state']
print("Delta: ", delta)
if 'duration' in delta:
self.shadowState['duration'] = delta['duration']
if 'distance' in delta:
self.shadowState['distance'] = delta['distance']
if 'intensity' in delta:
self.gotoNextState(delta['intensity'], delta)
if self.shadowState['intensity'] == "Idle":
self.gotoIdle()
return
update = {
'state': {
'reported': self.shadowState,
'desired': self.shadowState
}
}
self.shadowHandler.shadowUpdate(json.dumps(update), None, 5)
def gotoNextState(self, nextState, delta):
# Can go from Idle -> Start new workout
if self.shadowState['intensity'] == "Idle":
if nextState in [
"Easy", "Normal", "Intense", "Interval", "Cardio",
"Strength", "Scheduled"
]:
if self.workout.createPhases(nextState,
self.shadowState['duration'],
self.shadowState['distance']):
self.shadowState['intensity'] = nextState
return True
return False
# Anything else, we're in the middle of a work out.
# Can only abort
if nextState == "Abort":
self.workout.abort()
self.gotoIdle()
return True
# Ignore the command
return False
#deltaMessage = json.dumps(payloadDict["state"])
#print(deltaMessage)
# Init AWSIoTMQTTShadowClient------------------------------------
myAWSIoTMQTTShadowClient = None
#skywalkers shadow
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(
"zc1bf"
) #this can be any UNIQUE string (for testing with same Thing.. use different client ID's!!!)
myAWSIoTMQTTShadowClient.configureEndpoint(
"a3te7fgu4kv468-ats.iot.us-west-1.amazonaws.com",
8883) #endpoint and port number
myAWSIoTMQTTShadowClient.configureCredentials(
"cert/rootCA.pem.crt", "cert/333052c1bf-private.pem.key",
"cert/333052c1bf-certificate.pem.crt"
) #root ca and certificate used for secure connection
# AWSIoTMQTTShadowClient configuration
myAWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(10) # 10 sec
myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(5) # 5 sec
# Connect to AWS IoT
myAWSIoTMQTTShadowClient.connect()
# Create a deviceShadow with persistent subscription
deviceShadowHandler = myAWSIoTMQTTShadowClient.createShadowHandlerWithName(
"Pi_sense01", True)
class SodPlug(object):
def device_shadow_handler():
doc = 'The device_shadow_handler property.'
def fget(self):
return self.device_shadow_handler
def fset(self, value):
self.device_shadow_handler = value
def fdel(self):
del self._device_shadow_handler
return locals()
device_shadow_handler = property(**device_shadow_handler())
def __init__(self, **kwargs):
self.device_name = kwargs.get('DeviceName')
print('Device name: {}'.format(self.device_name))
self.device_root = kwargs.get('DeviceRoot', './devices')
self.device_path = kwargs.get(
'DevicePath',
os.path.join(self.device_root, 'credentials', self.device_name))
self.iot_ca_path = kwargs.get('IotCaPath', './root/root-cert.pem')
self.cert_path = kwargs.get('CertPath',
os.path.join(self.device_path, 'cert.pem'))
self.private_key_path = kwargs.get(
'PrivateKeyPath', os.path.join(self.device_path, 'private.key'))
self.iot_endpoint = kwargs.get('IotEndPoint')
self.ca_name = kwargs.get('CaName', 'root-ca.cert')
self.shadow_thing_name = kwargs.get('ThingName', self.device_name)
self.max_discovery_retries = int(
kwargs.get('MaxDiscoveryRetries', '10')) # noqa: E501
self.ggc_addr_name = kwargs.get('CoreName', 'ggc-core')
self.root_ca_path = os.path.join(self.device_path, self.ca_name)
for key, value in kwargs.items():
setattr(self, key, value)
self.logger = logging.getLogger('AWSIoTPythonSDK.core')
self.logger.setLevel(logging.DEBUG)
streamHandler = logging.StreamHandler()
formatter = logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(message)s'
) # noqa: E501
streamHandler.setFormatter(formatter)
self.logger.addHandler(streamHandler)
def update_shadow(self, data):
doc = {}
doc['state'] = {}
doc['state']['desired'] = data
json_payload = json.dumps(doc)
print('Updating shadow: {}'.format(json_payload))
self.device_shadow_handler.shadowUpdate(
json_payload,
self.customShadowCallback_Update, # noqa E:501
10)
def does_root_cert_exist(self):
return os.path.isfile(self.root_ca_path)
def check_root_cert(self):
if not self.does_root_cert_exist():
self.discover_ggc()
else:
self.get_ggc_addr()
print('Greengrass core has already been discovered.')
def configure_mqtt_client(self):
self.mqtt_client = self.mqtt_shadow_client.getMQTTConnection()
self.mqtt_client.publish('printer', 'test', 0)
self.mqtt_client.configureAutoReconnectBackoffTime(1, 32, 20)
self.mqtt_client.configureOfflinePublishQueueing(-1)
self.mqtt_client.configureDrainingFrequency(2) # Draining: 2 Hz
self.mqtt_client.configureConnectDisconnectTimeout(10) # 10 sec
self.mqtt_client.configureMQTTOperationTimeout(5) # 5 sec
def configure_shadow_client(self):
self.mqtt_shadow_client = AWSIoTMQTTShadowClient(self.device_name)
self.mqtt_shadow_client.configureEndpoint(self.ggc_host_addr,
8883) # noqa: E501
self.mqtt_shadow_client.configureCredentials(self.root_ca_path,
self.private_key_path,
self.cert_path)
# AWSIoTMQTTShadowClient configuration
self.mqtt_shadow_client.configureAutoReconnectBackoffTime(
1, 32, 20) # noqa: E501
self.mqtt_shadow_client.configureConnectDisconnectTimeout(10)
self.mqtt_shadow_client.configureMQTTOperationTimeout(5)
self.mqtt_shadow_client.connect()
def delta_callback(self, payload, responseStatus, token):
print('delta received')
pass
def register_handlers(self):
self.device_shadow_handler = self.mqtt_shadow_client.createShadowHandlerWithName(
self.shadow_thing_name, True) # noqa: E501
print('Registered shadow handlers for {}'.format(
self.shadow_thing_name)) # noqa: E501
self.device_shadow_handler.shadowRegisterDeltaCallback(
self.delta_callback) # noqa: E501
def on_registered(self):
pass
def register(self, **kwargs):
self.check_root_cert()
self.configure_shadow_client()
self.configure_mqtt_client()
self.register_handlers()
self.on_registered()
def isIpAddress(self, value):
match = re.match(r'^\d{1,3}\.\d{1,3}\.\d{1,3}', value)
if match:
return True
return False
def get_ggc_addr(self):
ggcHostPath = os.path.join(self.device_path, self.ggc_addr_name)
f = open(ggcHostPath, 'r')
self.ggc_host_addr = f.readline()
def discover_ggc(self):
backOffCore = ProgressiveBackOffCore()
discoveryInfoProvider = DiscoveryInfoProvider()
discoveryInfoProvider.configureEndpoint(self.iot_endpoint)
discoveryInfoProvider.configureCredentials(self.iot_ca_path,
self.cert_path,
self.private_key_path)
print('Endpoint: {}'.format(self.iot_endpoint))
print('iot_ca_path: {}'.format(self.iot_ca_path))
print('cert_path: {}'.format(self.cert_path))
print('private_key_path: {}'.format(self.private_key_path))
print('device_name: {}'.format(self.device_name))
discoveryInfoProvider.configureTimeout(10) # 10 sec
retryCount = self.max_discovery_retries
discovered = False
groupCA = None
coreInfo = None
while retryCount != 0:
try:
discoveryInfo = discoveryInfoProvider.discover(
self.device_name) # noqa: E501
caList = discoveryInfo.getAllCas()
coreList = discoveryInfo.getAllCores()
groupId, ca = caList[0]
coreInfo = coreList[0]
print('Discovered GGC: ' + coreInfo.coreThingArn +
' from Group: ' + groupId)
host_addr = ''
for addr in coreInfo.connectivityInfoList:
host_addr = addr.host
if self.isIpAddress(host_addr):
break
print('Discovered GGC Host Address: ' + host_addr)
self.ggc_host_addr = host_addr
print('Now we persist the connectivity/identity information')
groupCA = os.path.join(self.device_path, self.ca_name)
ggcHostPath = os.path.join(self.device_path,
self.ggc_addr_name) # noqa: E501
groupCAFile = open(groupCA, 'w')
groupCAFile.write(ca)
groupCAFile.close()
groupHostFile = open(ggcHostPath, 'w')
groupHostFile.write(host_addr)
groupHostFile.close()
discovered = True
print('Now proceed to the connecting flow...')
break
except DiscoveryInvalidRequestException as e:
print('Invalid discovery request detected!')
print('Type: ' + str(type(e)))
print('Error message: ' + e.message)
print('Stopping...')
break
except BaseException as e:
print('Error in discovery!')
print('Type: ' + str(type(e)))
print('Error message: ' + e.message)
retryCount -= 1
raise
print('\n' + str(retryCount) + '/' +
str(self.max_discovery_retries) + ' retries left\n')
print('Backing off...\n')
backOffCore.backOff()
if not discovered:
print('Discovery failed after ' + str(self.max_discovery_retries) +
' retries. Exiting...\n')
sys.exit(-1)
# Custom Shadow callback for updating the reported state in shadow
def customShadowCallback_Update(self, payload, responseStatus, token):
if responseStatus == 'timeout':
print('Update request ' + token + ' time out!')
if responseStatus == 'accepted':
print('~~~~~~~~~~ Shadow Update Accepted ~~~~~~~~~~~~~')
print('Update request with token: ' + token + ' accepted!')
print(payload)
print('~~~~~~~~~~~~~~~~~~~~~~~\n\n')
if responseStatus == 'rejected':
print('Update request ' + token + ' rejected!')
def publish(self, topic, message, qos_level=0):
print('Publishing {} to {}'.format(message, topic))
if (self.mqtt_client.publish(topic, json.dumps(message), qos_level)):
print('PUBLISHED')
else:
print('NOT PUBLISHED')
payloadDict = json.loads(payload)
deltaMessage = json.dumps(payloadDict["state"])
logger.warn(deltaMessage + "\n")
muteOn = False
if 'Mute' in payloadDict['state']:
muteOn = payloadDict['state']['Mute'].lower() == "on"
connection.setMute(payloadDict['state']['Mute'])
if 'Volume' in payloadDict['state'] and not muteOn:
connection.setVolume(int(payloadDict['state']['Volume']))
mqtttc = AWSIoTMQTTShadowClient(thingName)
mqtttc.configureEndpoint(host, 8883)
mqtttc.configureCredentials(rootCAPath, privateKeyPath, certificatePath)
# AWSIoTMQTTShadowClient configuration
mqtttc.configureAutoReconnectBackoffTime(1, 32, 20)
mqtttc.configureConnectDisconnectTimeout(10) # 10 sec
mqtttc.configureMQTTOperationTimeout(5) # 5 sec
# Connect to AWS IoT
mqtttc.connect()
# Create a deviceShadow with persistent subscription
deviceShadowHandler = mqtttc.createShadowHandlerWithName(thingName, True)
# Listen on deltas
deviceShadowHandler.shadowRegisterDeltaCallback(customShadowCallback_Delta)
'%(asctime)s - %(name)s - %(levelname)s - %(message)s')
streamHandler.setFormatter(formatter)
logger.addHandler(streamHandler)
host = "a1ii3qlfr1qukw-ats.iot.us-east-1.amazonaws.com"
certPath = "/home/pi/certs_east/"
clientId = "iot295b_thing"
topic = "iot_temperature"
thingName = "iot295b_thing"
myAWSIoTMQTTShadowClient = None
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(clientId)
myAWSIoTMQTTShadowClient.configureEndpoint(host, 8883)
myAWSIoTMQTTShadowClient.configureCredentials(
"{}Amazon-root-CA-1.pem".format(certPath),
"{}private.pem.key".format(certPath), "{}device.pem.crt".format(certPath))
myAWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(10)
myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(5)
bus = smbus.SMBus(i2c_channel)
myAWSIoTMQTTShadowClient.connect()
deviceShadowHandler = myAWSIoTMQTTShadowClient.createShadowHandlerWithName(
thingName, True)
deviceShadowHandler.shadowDelete(customShadowCallback_Delete, 5)
class PIRCamera:
def __init__(self):
#GPIO.add_event_detect(PIR_PULSE, GPIO.RISING, self.MotionDetected)
self.detections = 0
self.video_recording = False
self.videos_recorded_from_start = 0
self.width = 1280
self.height = 720
self.record_time = 10000
self.fps = 25
self.upload_video = False
self.use_light = True
self.enabled = False
self.system_temp = 0.0
self.LoadSettings()
self.SetupGoogleDrive()
self.command = "raspivid -vf -t " + str(
self.record_time) + " -w " + str(self.width) + " -h " + str(
self.height) + " -fps " + str(
self.fps) + " -b 1200000 -p 0,0," + str(
self.width) + "," + str(
self.height) # + " -o " + file_name + ".h264"
self.SetupAWS()
self.motionThread = Thread(target=self.motion_detect)
self.motionThread.daemon = True
self.motionThread.start()
self.update_thread = Thread(target=self.RegularUpdate)
self.update_thread.daemon = True
self.update_thread.start()
# Thread to regularly get temperature
def RegularUpdate(self):
while (True):
out = subprocess.Popen(['vcgencmd', 'measure_temp'],
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
stdout, stderr = out.communicate()
system_temp = None
system_temp_str = stdout.decode('utf-8').replace("'C\n",
"").split('=')
self.system_temp = float(system_temp_str[1])
self.SendShadow()
self.write_db()
time.sleep(400.0)
# Validates that there is data in the sqllite database file
def test_db(self):
conn = sqlite3.connect(DB_FILE)
cur = conn.cursor()
cur.execute("SELECT * FROM environment")
rows = cur.fetchall()
for row in rows:
print(row)
cur.close()
# Writes the current data to the sql database
def write_db(self):
conn = None
timestamp = time.time()
try:
conn = sqlite3.connect(DB_FILE)
sql_create_table = """ CREATE TABLE IF NOT EXISTS camera (
time_stamp text,
system_temp float,
videos integer
); """
insert = ''' INSERT INTO camera(time_stamp,system_temp,videos)
VALUES(?,?,?) '''
c = conn.cursor()
c.execute(sql_create_table)
conn.commit()
data = (timestamp, self.system_temp,
self.videos_recorded_from_start)
c.execute(insert, data)
conn.commit()
c.close()
print("Saved temperature to database...")
except Error as ex:
print("Unable to write to database: " + str(ex))
def SetupAWS(self):
try:
self.client = AWSIoTMQTTShadowClient("PIRCamera")
self.client.configureEndpoint(
"a2yizg9mkkd9ph-ats.iot.us-west-2.amazonaws.com", 8883)
self.client.configureCredentials(PATH_TO_ROOT, PATH_TO_KEY,
PATH_TO_CERT)
self.client.configureConnectDisconnectTimeout(10) # 10 sec
self.client.configureMQTTOperationTimeout(5) # 5 sec
self.client.connect()
self.shadow_connect = self.client.createShadowHandlerWithName(
"SecurityCamera", True)
# Setup the MQTT endpoint
# Spin up resources
event_loop_group = io.EventLoopGroup(1)
host_resolver = io.DefaultHostResolver(event_loop_group)
client_bootstrap = io.ClientBootstrap(event_loop_group,
host_resolver)
self.mqtt_connection = mqtt_connection_builder.mtls_from_path(
endpoint=ENDPOINT,
cert_filepath=PATH_TO_CERT,
pri_key_filepath=PATH_TO_KEY,
client_bootstrap=client_bootstrap,
ca_filepath=PATH_TO_ROOT,
client_id=CLIENT_ID,
clean_session=False,
keep_alive_secs=6)
connect_future = self.mqtt_connection.connect()
# Future.result() waits until a result is available
connect_future.result()
self.mqtt_connection.subscribe(topic=TOPIC,
qos=mqtt.QoS.AT_LEAST_ONCE,
callback=self.subcallback)
except:
print("AWS failed to setup, retrying...")
time.sleep(1)
self.SetupAWS()
# Sets up the Google drive API for remote transfers
def SetupGoogleDrive(self):
try:
print("Setting up Google Drive API...")
creds = None
# The file token.pickle stores the user's access and refresh tokens, and is
# created automatically when the authorization flow completes for the first
# time.
if os.path.exists('/home/pi/Server/PIRCamera/token.pickle'):
with open('/home/pi/Server/PIRCamera/token.pickle',
'rb') as token:
creds = pickle.load(token)
# If there are no (valid) credentials available, let the user log in.
if not creds or not creds.valid:
if creds and creds.expired and creds.refresh_token:
creds.refresh(Request())
else:
flow = InstalledAppFlow.from_client_secrets_file(
'/home/pi/Server/PIRCamera/credentials.json', SCOPES)
creds = flow.run_local_server(port=0)
# Save the credentials for the next run
with open('token.pickle', 'wb') as token:
pickle.dump(creds, token)
self.service = build('drive', 'v3', credentials=creds)
print("Google drive setup!")
except Exception as ex:
print("Unable to setup google drive, retrying...: " + str(ex))
time.sleep(1)
self.SetupGoogleDrive()
# Generates a shadow for AWS
def SendShadow(self):
global shadow
try:
dictionary = {
"detections": self.detections,
"recording": self.video_recording,
"width": self.width,
"height": self.height,
"record_time": self.record_time,
"fps": self.fps,
"upload_video": self.upload_video,
"use_light": self.use_light,
"enabled": self.enabled,
"videos_this_session": self.videos_recorded_from_start,
"system_temp": self.system_temp
}
shadow["state"]["desired"] = dictionary
self.shadow_connect.shadowUpdate(json.dumps(shadow),
self.ShadowCallback, 5)
except:
print("Error: Failed to send shadow")
# Subscriber callback
def subcallback(self, topic, payload, **kwargs):
try:
dictionary = json.loads(payload)
if "enable" in dictionary:
self.enabled = True
elif "disable" in dictionary:
self.enabled = False
if "fps" in dictionary:
self.fps = int(dictionary["fps"])
if "use_light" in dictionary:
self.use_light = dictionary["use_light"]
if "upload_video" in dictionary:
self.upload_video = dictionary["upload_video"]
if "record_time" in dictionary:
self.record_time = dictionary["record_time"]
if "start_video" in dictionary and not self.video_recording:
record_thread = Thread(target=self.RecordVideo)
record_thread.daemon = True
record_thread.start()
self.SendShadow()
self.SaveSettings()
except Exception as e:
print("Exception in subscriber: " + str(e))
# Handles recieving the shadow callback
def ShadowCallback(self, data, param2, param3):
print("AWS Shadow updated")
# Loads settings from a file
def LoadSettings(self):
file_path = '/home/pi/Documents/pir_config.json'
if path.exists(file_path):
f = open(file_path, "r")
data = f.read()
dictionary = json.loads(data)
self.width = dictionary["width"]
self.height = dictionary["height"]
self.record_time = dictionary["record_time"]
self.fps = dictionary["fps"]
self.use_light = dictionary["use_light"]
self.upload_video = dictionary["upload_video"]
else:
self.SaveSettings()
# Saves settings to a file
def SaveSettings(self):
fileStr = self.ToJson()
file_path = '/home/pi/Documents/pir_config.json'
f = open(file_path, "w")
f.write(fileStr)
f.close()
# Converts the data in this class to a json string
def ToJson(self):
dictionary = {
"detections": self.detections,
"recording": self.video_recording,
"width": self.width,
"height": self.height,
"record_time": self.record_time,
"fps": self.fps,
"upload_video": self.upload_video,
"use_light": self.use_light,
"enabled": self.enabled,
"system_temp": self.system_temp
}
jsonStr = json.dumps(dictionary)
return jsonStr
# Records a video
def RecordVideo(self):
if self.video_recording:
return
self.video_recording = True
try:
if self.use_light:
GPIO.output(PIR_LIGHT, GPIO.HIGH)
print("Recording video...")
now = datetime.now() # current date and time
file_stamp = now.strftime("%m_%d_%Y_%H_%M_%S_sec")
file_name = now.strftime("/home/pi/Videos/" + file_stamp)
self.command = "raspivid -vf -t " + str(
self.record_time) + " -w " + str(self.width) + " -h " + str(
self.height) + " -fps " + str(
self.fps) + " -b 1200000 -p 0,0," + str(
self.width) + "," + str(self.height)
command = self.command + " -o " + file_name + ".h264"
os.system(command)
os.system("MP4Box -add " + file_name + ".h264 " + file_name +
".mp4")
os.system("rm " + file_name + ".h264")
print("Video finished")
if self.use_light:
GPIO.output(PIR_LIGHT, GPIO.LOW)
except Exception as e:
print("Exception in record video: " + str(e))
if self.upload_video:
try:
print("Uploading video to Google Drive...")
file_metadata = {'name': file_stamp + '.mp4'}
media = MediaFileUpload(file_name + ".mp4",
mimetype='video/mp4')
file = self.service.files().create(body=file_metadata,
media_body=media,
fields='id').execute()
print("Video uploaded!")
except Exception as e:
print("Video upload failed: " + str(e))
self.videos_recorded_from_start += 1
self.SendShadow()
self.video_recording = False
def motion_detect(self):
#imageFiles = []
vs = VideoStream(src=0).start()
time.sleep(2.0)
frame_cnt = 0
# initialize the first frame in the video stream
firstFrame = None
out = None
# loop over the frames of the video
while True:
# grab the current frame and initialize the occupied/unoccupied
# text
#timeNow = time.time()
#now = datetime.now() # current date and time
frame = vs.read()
motion_detected = False
# if the frame could not be grabbed, then we have reached the end
# of the video
if frame is None:
break
# resize the frame, convert it to grayscale, and blur it
frame = imutils.resize(frame, width=500)
gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
gray = cv2.GaussianBlur(gray, (21, 21), 0)
# if the first frame is None, initialize it
if firstFrame is None:
firstFrame = gray
continue
# compute the absolute difference between the current frame and
# first frame
frameDelta = cv2.absdiff(firstFrame, gray)
thresh = cv2.threshold(frameDelta, move_threshold, 255,
cv2.THRESH_BINARY)[1]
# dilate the thresholded image to fill in holes, then find contours
# on thresholded image
thresh = cv2.dilate(thresh, None, iterations=2)
cnts = cv2.findContours(thresh.copy(), cv2.RETR_TREE,
cv2.CHAIN_APPROX_SIMPLE)
cnts = cnts[1]
for c in cnts:
contour_area = cv2.contourArea(c)
if (contour_area > 500):
motion_detected = True
if motion_detected and self.enabled:
print("Motion detected")
self.videos_recorded_from_start += 1
vs.stop()
time.sleep(0.2)
vs.stream.release()
time.sleep(0.2)
self.RecordVideo()
print("Resume motion detect...")
vs = VideoStream(src=0).start()
time.sleep(0.2)
firstFrame = None
key = cv2.waitKey(1) & 0xFF
# if the `q` key is pressed, break from the lop
if key == ord("q"):
break
time.sleep(0.1)
# cleanup the camera and close any open windows
vs.stop()
cv2.destroyAllWindows()
# Handles motion getting detected
def MotionDetected(self, pin):
if self.video_recording or not self.enabled:
return
print("Motion detected: " + str(self.detections))
self.detections += 1
record_thread = Thread(target=self.RecordVideo)
record_thread.daemon = True
record_thread.start()
import RPi.GPIO as gpio
from AWSIoTPythonSDK.MQTTLib import AWSIoTMQTTShadowClient
host = "azjctapxbp7sc-ats.iot.us-east-2.amazonaws.com"
rootCAPath = "/home/pi/certification/RootCA.crt"
certificatePath = "/home/pi/certification/a75d9d3b12-certificate.pem.crt"
privateKeyPath = "/home/pi/certification/a75d9d3b12-private.pem.key"
port = 8883
clientId = "IoT_System_Client"
topic = "IoT_System_Email_Alarm"
Thing_Name = "raspberrypi6"
Client = AWSIoTMQTTShadowClient(clientId)
Client.configureEndpoint(host, port)
Client.configureCredentials(rootCAPath, privateKeyPath, certificatePath)
Client.configureConnectDisconnectTimeout(10)
Client.configureMQTTOperationTimeout(5)
Client.connect()
Handler = Client.createShadowHandlerWithName(Thing_Name, True)
sensor = 21
gpio.setmode(gpio.BCM)
gpio.setup(sensor, gpio.OUT)
def Callback_func(payload, responseStatus, token):
msg = json.index(payload)
illuminance = msg{'state'}{'illuminance'}
print()
print('UPDATE: $aws/things/' + Thing_Name + '/shadow/update/#')
print("payload = " + payload)
print("responseStatus = " + responseStatus)
print("token = " + token)
import math
import json
import boto3
import awscamdldt as awscam
from AWSIoTPythonSDK.MQTTLib import AWSIoTMQTTShadowClient
clientId = 'DeepLens'
host = 'xxx-ats.iot.us-west-2.amazonaws.com'
port = 443
rootCAPath = 'AmazonRootCA1.pem'
thingName = 'animals'
# Init AWSIoTMQTTShadowClient
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(clientId, useWebsocket=True)
myAWSIoTMQTTShadowClient.configureEndpoint(host, port)
myAWSIoTMQTTShadowClient.configureCredentials(rootCAPath)
# AWSIoTMQTTShadowClient configuration
myAWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(10) # 10 sec
myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(5) # 5 sec
# Connect to AWS IoT
myAWSIoTMQTTShadowClient.connect()
# Create a deviceShadow with persistent subscription
deviceShadowHandler = myAWSIoTMQTTShadowClient.createShadowHandlerWithName(
thingName, True)
# Colours to use, with Hue value
COLOURS = [
class AWS_RPI:
def __init__(self):
# Cofigure logging
self.logger = logging.getLogger("AWSIoTPythonSDK.core")
self.logger.setLevel(logging.DEBUG)
self.streamHandler = logging.StreamHandler()
self.formatter = logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(message)s')
self.streamHandler.setFormatter(self.formatter)
self.logger.addHandler(self.streamHandler)
self.awsiotHost = "a130ba174k0fld-ats.iot.us-west-2.amazonaws.com"
self.awsiotPort = 8883
self.rootCAPath = "/home/pi/Adafruit_Python_DHT/examples/wireless_connection/certificate/VeriSign-Class3-Public-Primary-Certification-Authority-G5.pem"
self.privateKeyPath = "/home/pi/Adafruit_Python_DHT/examples/wireless_connection/certificate/78755df119-private.pem.key"
self.certificatePath = "/home/pi/Adafruit_Python_DHT/examples/wireless_connection/certificate/78755df119-certificate.pem.crt"
self.myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient("RPI_RULE")
self.myAWSIoTMQTTShadowClient.configureEndpoint(
self.awsiotHost, self.awsiotPort)
self.myAWSIoTMQTTShadowClient.configureCredentials(
self.rootCAPath, self.privateKeyPath, self.certificatePath)
self.myAWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(
1, 32, 20)
self.myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(
10) # 10sec
self.myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(10) # 5sec
self.myAWSIoTMQTTShadowClient._AWSIoTMQTTClient.configureOfflinePublishQueueing(
2, AWSIoTPythonSDK.core.util.enums.DropBehaviorTypes.DROP_OLDEST)
self.myAWSIoTMQTTShadowClient.connect()
# create a devcie Shadow with persistent subscription
self.thingName = "my_rpi"
self.deviceShadowHandler = self.myAWSIoTMQTTShadowClient.createShadowHandlerWithName(
self.thingName, True)
def customShadowCallback_upate(self, payload, responseStatus, token):
# payload is a JSON string which will be parsed by jason lib
if (responseStatus == "timeout"):
print("Update request with " + token + " time out!")
if (responseStatus == "accepted"):
playloadDict = json.loads(payload)
print("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~")
print(payload)
print("Update request with token: " + token + " accepted!")
print("state: " + str(playloadDict["state"]["reported"]))
print("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n\n")
if (responseStatus == "rejected"):
print("Update request " + token + " rejected!")
def data_upload(self):
d = 5
distance = False
dis0 = ultra_fun.distance()
while (d > 2):
dis1 = ultra_fun.distance()
d = abs(dis1 - dis0)
dis0 = dis1
if (dis0 >= 10):
distance = True
humid, temper = DHT22_fun.DHT()
return distance, humid, temper
def customShadowCallback_delete(self, payload, responseStatus, token):
if (responseStatus == "timeout"):
print("Delete request " + token + " time out!")
if (responseStatus == "accepted"):
print("Delete request with token " + token + " accepted!")
if (responseStatus == "rejected"):
print("Delete request with token " + token + " rejected!")
def send2AWS(self):
# #check current status of device
window, humidity, temperature = self.data_upload()
# print("Sending reported status to MQTT...")
# jsonPayload = '{"state":{"reported":{"window status": "' + window + "; humidity is: " + humidity + "; temperature is: " + temperature + "; face detection is: " + message + '"}}}'
jsonPayload = '{"state":{"reported":{"window_is_open": "' + str(
window) + '", "humidity": "' + str(
humidity) + '", "temperature": "' + str(temperature) + '"}}}'
print("Payload is: " + jsonPayload + "\n")
# Delete shadow JSON doc
# self.deviceShadowHandler.shadowDelete(self.customShadowCallback_delete, 50)
self.deviceShadowHandler.shadowUpdate(jsonPayload,
self.customShadowCallback_upate,
10)
print("=========================")
# print(" Current status: " + str(window + '\n'+ humidity + temperature + face + presence))
print("=========================\n\n")
def myShadowCallback_get(self, payload, responseStatus, token):
# payload is a JSON string which will be parsed by jason lib
if (responseStatus == "timeout"):
print("Update request with " + token + " time out!")
return 0
if (responseStatus == "accepted"):
playloadDict = json.loads(payload)
print(payload)
return playloadDict
if (responseStatus == "rejected"):
return -1
def myShadowGet(self, timeout=5):
self.deviceShadowHandler.shadowGet(self.myShadowCallback_get, timeout)
# Edit this to be your device name in the AWS IoT console
thing = "pi"
if __name__ == "__main__":
pi = pigpio.pi()
s = DHT22.sensor(pi, 22, LED=16, power=8)
awsport = 8883
caPath = "aws-iot-rootCA.crt"
certPath = "cert.pem"
keyPath = "privkey.pem"
# For certificate based connection
myShadowClient = AWSIoTMQTTShadowClient(thing)
myShadowClient.configureEndpoint(awshost, awsport)
myShadowClient.configureCredentials(caPath, keyPath, certPath)
myShadowClient.configureConnectDisconnectTimeout(60)
myShadowClient.configureMQTTOperationTimeout(10)
myShadowClient.connect()
myDeviceShadow = myShadowClient.createShadowHandlerWithName("pi", True)
while 1 == 1:
s.trigger()
tempreading = "{ \"state\" : { \"reported\": { \"temp\": \"%s\", \"humid\": \"%s\" } } }" % (
str(s.temperature()), str(s.humidity()))
print("payload: %s" % tempreading)
if s.temperature() != -999:
myDeviceShadow.shadowUpdate(tempreading, None, 5)
time.sleep(60)
#the print of state result after the method of shadowUpdate.
def shadow_update_Callback_test(payload, response_status, token):
print("Callback Test Init")
print("Object Action Named Rule")
print("$aws/things/crc-hj-rasp/shadow/update/#")
print("payload = {}".format(payload))
print("response_status = {}".format(response_status))
#print("token = {}".format(token))
#Device connect to AWS IoT Core applicatioin
myShadowClient = AWSIoTMQTTShadowClient(clientid, useWebsocket=True)
print('set client id')
myShadowClient.configureEndpoint(HOST, 443)
print('set configuration endpoint')
myShadowClient.configureCredentials(CA, PRI_KEY, CERT_KEY)
print('done certificatation')
myShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
myShadowClient.configureConnectDisconnectTimeout(10)
myShadowClient.configureMQTTOperationTimeout(5)
myShadowClient.connect()
print('connected!!')
testDevice_shadow = myShadowClient.createShadowHandlerWithName(HANDELR, True)
# parsing oximetry-heart-rate-log data
clss = OxiHRMonitor()
ctx = clss.serialContext('/dev/tty.KMU_MSPL-DevB')
g = clss.listen(ctx)
t_attr = None
while True:
res = next(g)
from AWSIoTPythonSDK.MQTTLib import AWSIoTMQTTShadowClient
import os
import sys
CLIENT_ID = "ESP32840d8ee67d9c"
HOST = "a1kdus6mbpzad4.iot.eu-west-3.amazonaws.com"
PORT = 8883
ROOT_CA_PATH = "/home/developer/Projects/wizzdev-iot-starter/MicroPython/src/certificates/AWS.ca_certificate"
PRIVATE_KEY_PATH = "/home/developer/Projects/wizzdev-iot-starter/MicroPython/src/certificates/AWS.private_key"
CERTIFICATE_PATH = "/home/developer/Projects/wizzdev-iot-starter/MicroPython/src/certificates/AWS.certificate"
# Init AWSIoTMQTTShadowClient
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(CLIENT_ID)
myAWSIoTMQTTShadowClient.configureEndpoint(HOST, PORT)
myAWSIoTMQTTShadowClient.configureCredentials(ROOT_CA_PATH, PRIVATE_KEY_PATH,
CERTIFICATE_PATH)
# AWSIoTMQTTShadowClient connection configuration
myAWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(10) # 10 sec
myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(25) # 5 sec
# Connect to AWS IoT
myAWSIoTMQTTShadowClient.connect()
print("DONE")
mac = get_mac()
print (mac)
s3 = boto3.client('s3', aws_access_key_id= open('keys.txt').readline().split(None, 1)[0],
aws_secret_access_key= open('keys.txt').readlines()[1].split(None, 1)[0])
s3.download_file('littercam','device-'+str(mac)+'/devicename.txt', 'devicename.txt')
devicename = open('devicename.txt').readline().split(None, 1)[0]
print(devicename)
ShadowClient = AWSIoTMQTTShadowClient("")
ShadowClient.configureEndpoint("a1oa9tg9lcso0.iot.eu-west-1.amazonaws.com", 8883)
ShadowClient.configureCredentials(get_rootca(),
get_private(),get_cert())
ShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
ShadowClient.configureConnectDisconnectTimeout(30) # 10 sec
ShadowClient.configureMQTTOperationTimeout(10) # 5 sec
ShadowClient.connect()
deviceShadowHandler = ShadowClient.createShadowHandlerWithName(devicename, True)
#shadowCallbackContainer_Bot = shadowCallbackContainer(deviceShadowHandler)
#deviceShadowHandler.shadowRegisterDeltaCallback(shadowCallbackContainer_Bot.customShadowCallback_Delta)
# MQTT Connection establishement
myMQTTClient = AWSIoTMQTTClient(devicename)
myMQTTClient.configureEndpoint("a1oa9tg9lcso0.iot.eu-west-1.amazonaws.com", 8883)
myMQTTClient.configureCredentials(get_rootca(),
aws_access_key_id=open('keys.txt').readline().split(None,
1)[0],
aws_secret_access_key=open('keys.txt').readlines()[1].split(
None, 1)[0])
s3.download_file('littercam', 'device-' + str(mac) + '/devicename.txt',
'devicename.txt')
devicename = open('devicename.txt').readline().split(None, 1)[0]
print(devicename)
ShadowClient = AWSIoTMQTTShadowClient("")
ShadowClient.configureEndpoint("a1oa9tg9lcso0.iot.eu-west-1.amazonaws.com",
8883)
ShadowClient.configureCredentials(get_rootca(), get_private(), get_cert())
ShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
ShadowClient.configureConnectDisconnectTimeout(30) # 10 sec
ShadowClient.configureMQTTOperationTimeout(10) # 5 sec
ShadowClient.connect()
deviceShadowHandler = ShadowClient.createShadowHandlerWithName(
devicename, True)
#shadowCallbackContainer_Bot = shadowCallbackContainer(deviceShadowHandler)
#deviceShadowHandler.shadowRegisterDeltaCallback(shadowCallbackContainer_Bot.customShadowCallback_Delta)
# MQTT Connection establishement
myMQTTClient = AWSIoTMQTTClient(devicename)
myMQTTClient.configureEndpoint("a1oa9tg9lcso0.iot.eu-west-1.amazonaws.com",
8883)
myMQTTClient.configureCredentials(get_rootca(), get_private(), get_cert())
# Author: Randy Lin
import json
import time
from AWSIoTPythonSDK.MQTTLib import AWSIoTMQTTShadowClient
import configparser
import random
import time
#Setup Shadow client and security certificates
shadowc = AWSIoTMQTTShadowClient('Light1')
shadowc.configureEndpoint("ChangeToYourEndpoint.ats.iot.cn-north-1.amazonaws.com.cn",8883)
shadowc.configureCredentials(
'./root-CA.crt',
'./MyIoTDevice.private.key',
'./MyIoTDevice.cert.pem'
)
#Initialize Device Status
device_state_color = 'white'
device_state_brightness = '30'
#Connect to IoT Core
shadowc.connect()
print('Shadow Client Connected to IoT Core')
#Create Device Shadow Handler with persistent subscription
deviceShadowHandler = shadowc.createShadowHandlerWithName('MyIoTDevice', True)
#Callback: Shadow Update
# In[ ]:
from AWSIoTPythonSDK.MQTTLib import AWSIoTMQTTShadowClient
from AWSIoTPythonSDK.MQTTLib import AWSIoTMQTTClient
import logging
import time
import json
import argparse
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(aws_deviceid)
myAWSIoTMQTTShadowClient.configureEndpoint(endpoint, 8883)
myAWSIoTMQTTShadowClient.configureCredentials(filepath_route_ca, filepath_private_key, filepath_certificate)
# AWSIoTMQTTShadowClient configuration
myAWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(10) # 10 sec
myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(5) # 5 sec
# Connect to AWS IoT
myAWSIoTMQTTShadowClient.connect()
# MQTTClient = myAWSIoTMQTTShadowClient.getMQTTConnection()
# MQTTClient.configureOfflinePublishQueueing(yourQueueSize, yourDropBehavior)
# Create a deviceShadow with persistent subscription
deviceShadowHandler = myAWSIoTMQTTShadowClient.createShadowHandlerWithName("test_vm_ubuntu_2", True)
exit(2)
# Configure logging
logger = logging.getLogger("AWSIoTPythonSDK.core")
logger.setLevel(logging.DEBUG)
streamHandler = logging.StreamHandler()
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
streamHandler.setFormatter(formatter)
logger.addHandler(streamHandler)
# Init AWSIoTMQTTShadowClient
myAWSIoTMQTTShadowClient = None
if useWebsocket:
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(clientId, useWebsocket=True)
myAWSIoTMQTTShadowClient.configureEndpoint(host, 443)
myAWSIoTMQTTShadowClient.configureCredentials(rootCAPath)
else:
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(clientId)
myAWSIoTMQTTShadowClient.configureEndpoint(host, 8883)
myAWSIoTMQTTShadowClient.configureCredentials(rootCAPath, privateKeyPath, certificatePath)
# AWSIoTMQTTShadowClient configuration
myAWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(10) # 10 sec
myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(5) # 5 sec
# Connect to AWS IoT
myAWSIoTMQTTShadowClient.connect()
# Create a deviceShadow with persistent subscription
deviceShadowHandler = myAWSIoTMQTTShadowClient.createShadowHandlerWithName(thingName, True)
class BpiController:
def __init__(self):
self.__host = 'axt811sti1q4w-ats.iot.us-east-2.amazonaws.com'
self.__rootCA = '../certs/root-CA.crt'
self.__certPem = '../certs/bpiController.cert.pem'
self.__privateKey = '../certs/bpiController.private.key'
self.__port = 8883
self.__clientId = 'bpiControllerDevice'
self.__thingName = 'bpiController'
self.__thingType = 'Gateway'
self.mqttClient = None
self.basicMqttClient = None
self.deviceShadowHandler = None
# Configure logging
# logger = logging.getLogger('AWSIoTPythonSDK.core')
# logger.setLevel(logging.DEBUG)
# streamHandler = logging.StreamHandler()
# formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
# streamHandler.setFormatter(formatter)
# logger.addHandler(streamHandler)
# Init AWSIoTMQTTShadowClient
self.mqttClient = AWSIoTMQTTShadowClient(self.__clientId)
self.mqttClient.configureEndpoint(self.__host, self.__port)
self.mqttClient.configureCredentials(self.__rootCA, self.__privateKey, self.__certPem)
# AWSIoTMQTTShadowClient configuration
self.mqttClient.configureAutoReconnectBackoffTime(1, 32, 20)
self.mqttClient.configureConnectDisconnectTimeout(10) # 10 sec
self.mqttClient.configureMQTTOperationTimeout(5) # 5 sec
def mqttConnect(self):
# Connect to AWS IoT
self.mqttClient.connect()
# Create a deviceShadow with persistent subscription
self.deviceShadowHandler = self.mqttClient.createShadowHandlerWithName(self.__thingName, True)
return self.deviceShadowHandler
def shadowUpdate(self, json_data):
self.deviceShadowHandler.shadowUpdate(json.dumps({
'state': {
'reported': json_data
}
}), self.shadowUpdateCallback, 5)
def reportHistory(self, json_data):
if not isinstance(self.basicMqttClient, AWSIoTMQTTClient):
print('Create AWSIoTMQTTClient')
self.basicMqttClient = AWSIoTMQTTClient('bpiControllerReporter')
self.basicMqttClient.configureEndpoint(self.__host, self.__port)
self.basicMqttClient.configureCredentials(self.__rootCA, self.__privateKey, self.__certPem)
self.basicMqttClient.configureOfflinePublishQueueing(-1) # Infinite offline Publish queueing
self.basicMqttClient.configureDrainingFrequency(2) # Draining: 2 Hz
self.basicMqttClient.configureConnectDisconnectTimeout(10) # 10 sec
self.basicMqttClient.configureMQTTOperationTimeout(5) # 5 sec
self.basicMqttClient.connect()
topic = '@sensor.live/thing_types/%s/things/%s/history' % (self.__thingType, self.__thingName)
self.basicMqttClient.publish(topic, json.dumps(json_data), 0)
# Shadow callback
def shadowUpdateCallback(self, payload, responseStatus, token):
# payload is a JSON string ready to be parsed using json.loads(...)
# in both Py2.x and Py3.x
if responseStatus == 'timeout':
print('Update request ' + token + ' time out!')
if responseStatus == 'accepted':
payloadDict = json.loads(payload)
print('~~~~~~~~~~~~~~~~~~~~~~~')
print('Update request with token: ' + token + ' accepted!')
# print('property: ' + str(payloadDict))
print('~~~~~~~~~~~~~~~~~~~~~~~\n\n')
if responseStatus == 'rejected':
print('Update request ' + token + ' rejected!')
# Shadow delete callback
def shadowDeleteCallback(self, payload, responseStatus, token):
if responseStatus == 'timeout':
print('Delete request ' + token + ' time out!')
if responseStatus == 'accepted':
print('~~~~~~~~~~~~~~~~~~~~~~~')
print('Delete request with token: ' + token + ' accepted!')
print('~~~~~~~~~~~~~~~~~~~~~~~\n\n')
if responseStatus == 'rejected':
print('Delete request ' + token + ' rejected!')
# Listen on deltas
def listenDeltaCallback(self, callback):
if self.deviceShadowHandler is not None:
self.deviceShadowHandler.shadowRegisterDeltaCallback(callback)
else:
raise Exception('deviceShadowHandler is None')
