def send_iot_hub_message(hub_manager, message_dict, schema):
message = json.dumps(message_dict)
message = IoTHubMessage(message)
message.properties().add("iothub-creation-time-utc", make_time_string())
message.properties().add("iothub-message-schema", schema)
adjust_outstanding_sent_message_count(1)
hub_manager.client.send_event_async("output2", message,
send_confirmation_callback, 0)
def send_event(self, event, properties, send_context):
if not isinstance(event, IoTHubMessage):
event = IoTHubMessage(bytearray(event, 'utf8'))
event.set_content_encoding_system_property('utf-8')
event.set_content_type_system_property('application/json')
event.properties().add('deviceId', 'RaspberryPi3')
if len(properties) > 0:
prop_map = event.properties()
for key in properties:
prop_map.add_or_update(key, properties[key])
self.client.send_event_async(event, send_confirmation_callback,
send_context)
def read_and_send_measurements_from_sensehat(sense, hubManager):
global SEND_SENSEHAT_CALLBACKS
# sense.clear()
temperature = sense.get_temperature()
temperature_h = sense.get_temperature_from_humidity()
temperature_p = sense.get_temperature_from_pressure()
humidity = sense.get_humidity()
pressure = sense.get_pressure()
accelerometer = sense.get_accelerometer_raw()
accel = "\"x\":{x:.5f},\"y\":{y:.5f},\"z\":{z:.5f}".format(**accelerometer)
print("accelerometer - %s" % accel)
timeCreated = datetime.datetime.utcnow().isoformat()
MSG_TXT = "{\"temperature\": %.2f,\"temperature_h\": %.2f,\"temperature_p\": %.2f,\"humidity\": %.2f,\"pressure\": %.2f,\"accelerometer\":{%s},\"timeCreated\": \"%s\"}"
msg_txt_formatted = MSG_TXT % (temperature, temperature_h, temperature_p,
humidity, pressure, accel, timeCreated)
print("Sending - :%s\n" % msg_txt_formatted)
message = IoTHubMessage(msg_txt_formatted)
prop_map = message.properties()
prop_map.add("data-type", "sensing")
prop_map.add("application",
"Custom-vision-service-iot-edge-raspberry-pi-ext")
hubManager.send_event_to_output("output2", message, 0)
SEND_SENSEHAT_CALLBACKS += 1
print(" Total sensehat messages sent: %d" % SEND_SENSEHAT_CALLBACKS)
def iothub_client_sample_run():
try:
if (check_internet() == True):
client = iothub_client_init()
print("Connecting to IoT Hub")
if client.protocol == IoTHubTransportProvider.MQTT:
print("IoTHubClient is reporting state")
reported_state = "{\"newState\":\"standBy\"}"
#client.send_reported_state(reported_state, len(reported_state), send_reported_state_callback, SEND_REPORTED_STATE_CONTEXT)
#telemetry.send_telemetry_data(parse_iot_hub_name(), EVENT_SUCCESS, "IoT hub connection is established")
#while True:
global MESSAGE_COUNT, MESSAGE_SWITCH
if MESSAGE_SWITCH:
# send a few messages every minute
print("IoTHubClient sending %d messages" % MESSAGE_COUNT)
#temperature = sensor.read_temperature()
humidity_1 = get_humidity_1()
temperature_1 = get_temperature_1()
distance_1 = get_distance_1()
distance_2 = get_distance_2()
distance_3 = get_distance_3()
distance_4 = get_distance_4()
distance_5 = get_distance_5()
distance_6 = get_distance_6()
distance_7 = get_distance_7()
distance_8 = get_distance_8()
#distance_9 = get_distance_9()
#distance_10 = get_distance_10()
msg_txt_formatted = MSG_TXT % (
distance_1, distance_2, distance_3, distance_4, distance_5,
distance_6, distance_7, distance_8, distance_8, distance_8)
print(msg_txt_formatted)
message = IoTHubMessage(msg_txt_formatted)
# optional: assign ids
message.message_id = "message_%d" % MESSAGE_COUNT
message.correlation_id = "correlation_%d" % MESSAGE_COUNT
# optional: assign properties
prop_map = message.properties()
prop_map.add("temperatureAlert", "true")
client.send_event_async(message, send_confirmation_callback,
MESSAGE_COUNT)
print(
"IoTHubClient.send_event_async accepted message [%d] for transmission to IoT Hub."
% MESSAGE_COUNT)
status = client.get_send_status()
print("Send status: %s" % status)
MESSAGE_COUNT += 1
time.sleep(2)
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
telemetry.send_telemetry_data(
parse_iot_hub_name(), EVENT_FAILED,
"Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
def iothub_client_telemetry_sample_run():
try:
client = iothub_client_init()
print ( "IoT Hub device sending periodic messages, press Ctrl-C to exit" )
while True:
# Build the message with simulated telemetry values.
liveReading = LIVE_READING + random.randrange(0, 1000)
msg_txt_formatted = MSG_TXT % (liveReading)
message = IoTHubMessage(msg_txt_formatted)
# Add a custom application property to the message.
# An IoT hub can filter on these properties without access to the message body.
prop_map = message.properties()
if liveReading > 700:
prop_map.add("highConsumptionAlert", "true")
else:
prop_map.add("highConsumptionAlert", "false")
# Send the message.
print( "Sending message: %s" % message.get_string() )
client.send_event_async(message, send_confirmation_callback, None)
time.sleep(1)
except IoTHubError as iothub_error:
print ( "Unexpected error %s from IoTHub" % iothub_error )
return
except KeyboardInterrupt:
print ( "IoTHubClient sample stopped" )
def iothub_client_telemetry_sample_run():
try:
client = iothub_client_init()
print("IoT Hub device sending periodic messages, press Ctrl-C to exit")
while True:
humidity, temperature = Adafruit_DHT.read_retry(sensor, pin)
curdate = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
if humidity is not None and temperature is not None:
msg_txt_formatted = MSG_TXT % (curdate, temperature, humidity)
message = IoTHubMessage(msg_txt_formatted)
# Add a custom application property to the message.
# An IoT hub can filter on these properties without access to the message body.
prop_map = message.properties()
if temperature > 30:
prop_map.add("temperatureAlert", "true")
else:
prop_map.add("temperatureAlert", "false")
# Send the message.
print("Sending message: %s" % message.get_string())
client.send_event_async(message, send_confirmation_callback,
None)
else:
print('Failed to get reading. Try again!')
time.sleep(2)
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
def iothub_client_telemetry_sample_run():
try:
client = iothub_client_init()
print("IoT Hub device sending periodic messages, press Ctrl-C to exit")
message_counter = 0
while True:
msg_txt_formatted = "Event!"
# messages can be encoded as string or bytearray
if (message_counter & 1) == 1:
message = IoTHubMessage(bytearray(msg_txt_formatted, 'utf8'))
else:
message = IoTHubMessage(msg_txt_formatted)
# optional: assign ids
message.message_id = "message_%d" % message_counter
message.correlation_id = "correlation_%d" % message_counter
# optional: assign properties
prop_map = message.properties()
generate_message(prop_map, generate_ticket_id(), datetime.now())
client.send_event_async(message, send_confirmation_callback,
message_counter)
print(
"IoTHubClient.send_event_async accepted message [%d] for transmission to IoT Hub."
% message_counter)
message_counter += 1
sleep(np.random.randint(10))
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
def data_loop(sensor, pin):
try:
client = iothub_client_init()
print("IoT Hub device sending periodic messages, press Ctrl-C to exit")
count = 0
while True:
# Build the message with simulated telemetry values.
humidity, temperature = get_sensor_data(sensor, pin)
msg_txt_formatted = MSG_TXT % (temperature, humidity)
message = IoTHubMessage(msg_txt_formatted)
# Optional due to edgeHub error
message.message_id = "message_%d" % count
message.correlation_id = "correlation_%d" % count
count += 1
# Add a custom application property to the message.
# An IoT hub can filter on these properties without access to the message body.
prop_map = message.properties()
if temperature > 30:
prop_map.add("temperatureAlert", "true")
else:
prop_map.add("temperatureAlert", "false")
# Send the message.
print("Sending message: %s" % message.get_string())
client.send_event_async(message, send_confirmation_callback, None)
time.sleep(1)
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
def filter_message(message):
message_buffer = message.get_bytearray()
size = len(message_buffer)
message_str = message_buffer[:size].decode('utf-8')
if not message_str:
return None
message_obj = json.loads(message_str)
if message_obj["machine"]["temperature"] > TEMPERATURE_THRESHOLD:
print(" Machine temperature : %d exceeds threshold %d" %
(message_obj["machine"]["temperature"], TEMPERATURE_THRESHOLD))
filtered_message = IoTHubMessage(message_str)
filtered_message.set_content_type_system_property(
message.get_content_type_system_property() or "application/json")
filtered_message.set_content_encoding_system_property(
message.get_content_encoding_system_property() or "utf-8")
prop_map = filtered_message.properties()
origin_prop_key_value_pair = message.properties().get_internals()
for key in origin_prop_key_value_pair:
prop_map.add(key, origin_prop_key_value_pair[key])
prop_map.add("MessageType", "Alert")
return filtered_message
else:
return None
def iothub_client_sample_run():
try:
client = iothub_client_init()
if client.protocol == IoTHubTransportProvider.MQTT:
print("IoTHubClient is reporting state")
reported_state = "{\"newState\":\"standBy\"}"
client.send_reported_state(reported_state, len(reported_state),
send_reported_state_callback,
SEND_REPORTED_STATE_CONTEXT)
if not config.SIMULATED_DATA:
sensor = SenseHat()
print 'PI SenseHat Object Created'
else:
# sensor = BME280(address = config.I2C_ADDRESS)
sensor = BME280SensorSimulator()
telemetry.send_telemetry_data(parse_iot_hub_name(), EVENT_SUCCESS,
"IoT hub connection is established")
while True:
global MESSAGE_COUNT, MESSAGE_SWITCH
if MESSAGE_SWITCH:
# send a few messages every minute
print("IoTHubClient sending %d messages" % MESSAGE_COUNT)
temperature = sensor.get_temperature()
humidity = sensor.get_humidity()
msg_txt_formatted = MSG_TXT % (temperature, humidity)
print(msg_txt_formatted)
message = IoTHubMessage(msg_txt_formatted)
# optional: assign ids
message.message_id = "message_%d" % MESSAGE_COUNT
message.correlation_id = "correlation_%d" % MESSAGE_COUNT
# optional: assign properties
prop_map = message.properties()
prop_map.add(
"temperatureAlert",
"true" if temperature > TEMPERATURE_ALERT else "false")
client.send_event_async(message, send_confirmation_callback,
MESSAGE_COUNT)
print(
"IoTHubClient.send_event_async accepted message [%d] for transmission to IoT Hub."
% MESSAGE_COUNT)
status = client.get_send_status()
print("Send status: %s" % status)
MESSAGE_COUNT += 1
time.sleep(config.MESSAGE_TIMESPAN / 1000.0)
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
telemetry.send_telemetry_data(
parse_iot_hub_name(), EVENT_FAILED,
"Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
print_last_message_time(client)
def iothub_client_telemetry_sample_run():
try:
client = iothub_client_init()
print("IoT Hub device sending periodic messages, press Ctrl-C to exit")
while True:
# Build the message with simulated telemetry values.
temperature = TEMPERATURE + (random.random() * 15)
humidity = HUMIDITY + (random.random() * 20)
msg_txt_formatted = MSG_TXT % (temperature, humidity)
message = IoTHubMessage(msg_txt_formatted)
# Add a custom application property to the message.
# An IoT hub can filter on these properties without access to the message body.
prop_map = message.properties()
if temperature > 30:
prop_map.add("temperatureAlert", "true")
else:
prop_map.add("temperatureAlert", "false")
# Send the message.
print("Sending message: %s" % message.get_string())
client.send_event_async(message, send_confirmation_callback, None)
time.sleep(1)
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
def iothub_client_telemetry_sample_run():
try:
client = iothub_client_init()
print ( "IoT Hub device sending periodic messages, press Ctrl-C to exit" )
# Set up the callback method for direct method calls from the hub.
client.set_device_method_callback(
device_method_callback, None)
client.set_message_callback(receive_message_callback, RECEIVE_CONTEXT)
while True:
# Build the message with simulated telemetry values.
temperature = TEMPERATURE + (random.random() * 15)
humidity = HUMIDITY + (random.random() * 20)
msg_txt_formatted = MSG_TXT % (temperature, humidity)
message = IoTHubMessage(msg_txt_formatted)
prop_map = message.properties()
if temperature > 30:
prop_map.add("temperatureAlert", "true")
else:
prop_map.add("temperatureAlert", "false")
# Send the message.
print( "Sending message: %s" % message.get_string() )
client.send_event_async(message, send_confirmation_callback, None)
time.sleep(INTERVAL)
except IoTHubError as iothub_error:
print ( "Unexpected error %s from IoTHub" % iothub_error )
return
except KeyboardInterrupt:
print ( "IoTHubClient sample stopped" )
def create_message(message_counter):
AVG_WIND_SPEED = 10.0
MIN_TEMPERATURE = 20.0
MIN_HUMIDITY = 60.0
temperature = MIN_TEMPERATURE + (random.random() * 10)
humidity = MIN_HUMIDITY + (random.random() * 20)
msg_txt_formatted = MSG_TXT % (
AVG_WIND_SPEED + (random.random() * 4 + 2),
temperature,
humidity)
# messages can be encoded as string or bytearray
if (message_counter & 1) == 1:
message = IoTHubMessage(bytearray(msg_txt_formatted, 'utf8'))
else:
message = IoTHubMessage(msg_txt_formatted)
# optional: assign ids
message.message_id = "message_%d" % message_counter
message.correlation_id = "correlation_%d" % message_counter
# optional: assign properties
prop_map = message.properties()
prop_map.add("temperatureAlert", 'true' if temperature > 28 else 'false')
return message
def iothub_client_telemetry_sample_run():
try:
client = iothub_client_init()
print("IoT Hub device sending periodic messages, press Ctrl-C to exit")
while True:
temperature = sense.get_temperature()
humidity = sense.get_humidity()
msg_txt_formatted = MSG_TXT % (temperature, humidity)
message = IoTHubMessage(msg_txt_formatted)
prop_map = message.properties()
if temperature > 30:
prop_map.add("temperatureAlert", "true")
else:
prop_map.add("temperatureAlert", "false")
print("Sending message: %s" % message.get_string())
client.send_event_async(message, send_confirmation_callback, None)
sense.show_message(temperature + " C")
time.sleep(1)
sense.show_message(humidity + "%")
time.sleep(2)
except IoTHubError as iothub_error:
print("Unexpected error %s from IoT Hub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
def iothub_client_sample_run():
try:
client = iothub_client_init()
if client.protocol == IoTHubTransportProvider.MQTT:
print("IoTHubClient is reporting state")
reported_state = "{\"newState\":\"standBy\"}"
client.send_reported_state(reported_state, len(reported_state),
send_reported_state_callback,
SEND_REPORTED_STATE_CONTEXT)
while True:
# send a few messages every minute
print("IoTHubClient sending %d messages" % MESSAGE_COUNT)
for message_counter in range(0, MESSAGE_COUNT):
temperature = MIN_TEMPERATURE + (random.random() * 10)
humidity = MIN_HUMIDITY + (random.random() * 20)
msg_txt_formatted = MSG_TXT % (AVG_WIND_SPEED +
(random.random() * 4 + 2),
temperature, humidity)
# messages can be encoded as string or bytearray
if (message_counter & 1) == 1:
message = IoTHubMessage(
bytearray(msg_txt_formatted, 'utf8'))
else:
message = IoTHubMessage(msg_txt_formatted)
# optional: assign ids
message.message_id = "message_%d" % message_counter
message.correlation_id = "correlation_%d" % message_counter
# optional: assign properties
prop_map = message.properties()
prop_map.add("temperatureAlert",
'true' if temperature > 28 else 'false')
client.send_event_async(message, send_confirmation_callback,
message_counter)
print(
"IoTHubClient.send_event_async accepted message [%d] for transmission to IoT Hub."
% message_counter)
# Wait for Commands or exit
print("IoTHubClient waiting for commands, press Ctrl-C to exit")
status_counter = 0
while status_counter <= MESSAGE_COUNT:
status = client.get_send_status()
print("Send status: %s" % status)
time.sleep(10)
status_counter += 1
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
print_last_message_time(client)
def iothub_client_telemetry_sample_run():
try:
client = iothub_client_init()
print("IoT Hub device sending periodic messages, press Ctrl-C to exit")
while True:
# Build the message with simulated telemetry values.
false = random.randrange(0, 30)
true = random.randrange(0, 30)
supplyOn = bool(TRUE_PROBALITY[true])
fireAlert = bool(FALSE_PROBALITY[false])
temperature = random.random() * TEMEPERATURE
msg_txt_formatted = MSG_TXT % (supplyOn, fireAlert, temperature)
message = IoTHubMessage(msg_txt_formatted)
# Add a custom application property to the message.
# An IoT hub can filter on these properties without access to the message body.
prop_map = message.properties()
if temperature > 70:
prop_map.add("extremeHeatAlert", "true")
else:
prop_map.add("extremeHeatAlert", "false")
# Send the message.
print("Sending message: %s" % message.get_string())
client.send_event_async(message, send_confirmation_callback, None)
time.sleep(1)
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
def iothub_client_telemetry_send(self):
try:
MSG_TXT = '{\"Timestamp\":%.0f,\"DeviceId\":\"%.10s\",\"location\":{\"lon\":%.5f,\"lat\":%.5f},\"Readings\":{\"Temperature\":{\"Internal\":%.2f,\"External\":%.2f}},\"Flow\":{\"In\":%.2f,\"Out\":%.2f},\"Pressure\":%.2f,\"Battery\":%.2f}'
#print client.toString()
# Build the message with simulated telemetry values.
pressure = self.readPressure()
flow = self.readFlow()
temperature = self.readTemprature()
battery = self.checkBattery()
msg_txt_formatted = MSG_TXT % (calendar.timegm(
time.gmtime()), self.deviceId, float(self.lat), float(
self.lon), temperature, temperature * 1.2, flow,
flow * 1.354, pressure, battery)
message = IoTHubMessage(msg_txt_formatted)
# Add a custom application property to the message.
# An IoT hub can filter on these properties without access to the message body.
prop_map = message.properties()
if temperature > 30:
prop_map.add("temperatureAlert", "true")
else:
prop_map.add("temperatureAlert", "false")
# Send the message.
print("Sending message: %s" % message.get_string())
self.client.send_event_async(message,
self.send_confirmation_callback, None)
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
def iothub_client_telemetry_sample_run():
# list of taps with starting keg weights
taplist = [FULL_KEG_WEIGHT, FULL_KEG_WEIGHT, FULL_KEG_WEIGHT/2, FULL_KEG_WEIGHT/5];
try:
client = iothub_client_init()
while True:
for tap in range(len(taplist)):
# 15% change of pouring a 200g-450g beer
if (random.random() <= 0.15):
amount = random.randint(200, 450)
taplist[tap] -= amount
if (taplist[tap] < 0):
taplist[tap] = FULL_KEG_WEIGHT; # keg magiclly refills when empty
temperature = random.random() * 12 # 0-12 C
msg_txt_formatted = MSG_TXT % \
(time.time(), DEVICE_ID, tap, temperature, taplist[tap])
message = IoTHubMessage(msg_txt_formatted)
prop_map = message.properties()
if temperature > 10:
prop_map.add("temperatureAlert", "true")
else:
prop_map.add("temperatureAlert", "false")
# Send the message.
print( "Sending message: %s" % message.get_string() )
client.send_event_async(message, send_confirmation_callback, None)
time.sleep(REPORT_PERIOD_S)
except IoTHubError as iothub_error:
print ( "Unexpected error %s from IoTHub" % iothub_error )
return
except KeyboardInterrupt:
print ( "IoTHubClient sample stopped" )
def iothub_client_telemetry_sample_run():
try:
client = iothub_client_init()
print ( "IoT Hub device sending periodic messages, press Ctrl-C to exit" )
while True:
# Build the message with simulated telemetry values.
heartrate = ser.readline()
heartrate = heartrate.decode("utf8").strip()
msg_txt_formatted = MSG_TXT % (int(heartrate))
message = IoTHubMessage(msg_txt_formatted)
# Add a custom application property to the message.
# An IoT hub can filter on these properties without access to the message body.
prop_map = message.properties()
if int(heartrate) > 140 and int(heartrate) < 50:
prop_map.add("heartrateAlert", "false")
else:
prop_map.add("heartrateAlert", "true")
# Send the message.
print( "Sending message: %s" % message.get_string() )
client.send_event_async(message, send_confirmation_callback, None)
time.sleep(1)
except IoTHubError as iothub_error:
print ( "Unexpected error %s from IoTHub" % iothub_error )
return
except KeyboardInterrupt:
print ( "IoTHubClient sample stopped" )
def main(protocol):
try:
print ( "\nPython %s\n" % sys.version )
print ( "IoT Hub Client for Python" )
hub_manager = HubManager(protocol)
device_client = iothub_client_init()
print ( "IoTHubClient sending %d messages" % MESSAGE_COUNT )
message = IoTHubMessage("mridu test message from module!!!!")
message_counter = 0
message.message_id = "message_%d" % message_counter
message.correlation_id = "correlation_%d" % message_counter
# optional: assign properties
prop_map = message.properties()
prop_map.add("temperatureAlert", 'false')
device_client.send_event(message, properties=prop_map, send_context=message_counter)
print ( "Starting the IoT Hub Python sample using protocol %s..." % hub_manager.client_protocol)
print ( "The sample is now waiting for messages and will indefinitely. Press Ctrl-C to exit. ")
while True:
time.sleep(1)
except IoTHubError as iothub_error:
print ( "Unexpected error %s from IoTHub" % iothub_error )
return
except KeyboardInterrupt:
print ( "IoTHubModuleClient sample stopped" )
def send_to_Hub_callback(strMessage):
if strMessage == []:
return
message = IoTHubMessage(bytearray(strMessage, 'utf8'))
prop_map = message.properties()
prop_map.add("appid", "scanner")
hubManager.send_event_to_output("output1", message, 0)
print('sent from send_to_Hub_callback')
def iothub_client():
try:
#Initialice Client
client = iothub_client_init()
print("IoT Device Simulator, press Ctrl-C to exit")
#Specifies message format and values
msg_txt_formatted = MSG_TXT % INTERFACE_PARAM_A
message_counter = 0
inp = 0
while inp != 4:
print("Press 1 to send a message to IOT Hub (Simulated message")
print("Press 2 to send a picture to IOT Hub (Simulated message")
print("Press 4 to EXIT")
# messages can be encoded as string or bytearray
if (message_counter & 1) == 1:
message = IoTHubMessage(bytearray(msg_txt_formatted, 'utf8'))
else:
message = IoTHubMessage(msg_txt_formatted)
# optional: assign ids
message.message_id = "message_%d" % message_counter
message.correlation_id = "correlation_%d" % message_counter
# optional: assign properties
prop_map = message.properties()
prop_text = "PropMsg_%d" % message_counter
prop_map.add("Property", prop_text)
inp = int(input())
if inp == 1:
#Sends a message to the Hub, reveives confirmation callback, adds counter
client.send_event_async(message, send_confirmation_callback,
message_counter)
print(
"IoTHubClient.send_event_async accepted message [%d] for transmission to IoT Hub."
% message_counter)
if inp == 2:
#Sends a file to Azure Storage Blob
filename = "hello.jpg"
content1 = open(filename, "rb")
content = content1.read()
#Send and shows confirmation
client.upload_blob_async(filename, content, len(content),
blob_upload_conf_callback, 1001)
#status = client.get_send_status()
#print ( "Send status: %s" % status )
message_counter += 1
if inp == 4:
break
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
def iothub_client_sample_run():
try:
client = iothub_client_init()
if client.protocol == IoTHubTransportProvider.MQTT:
print ( "IoTHubClient is reporting state" )
reported_state = "{\"newState\":\"standBy\"}"
client.send_reported_state(reported_state, len(reported_state), send_reported_state_callback, SEND_REPORTED_STATE_CONTEXT)
if not config.SIMULATED_DATA:
sensor = BME280(address = config.I2C_ADDRESS)
else:
sensor = BME280SensorSimulator()
telemetry.send_telemetry_data(parse_iot_hub_name(), EVENT_SUCCESS, "IoT hub connection is established")
while True:
global MESSAGE_COUNT,MESSAGE_SWITCH
if MESSAGE_SWITCH:
# send a few messages every minute
print ( "IoTHubClient sending %d messages" % MESSAGE_COUNT )
temperature = sensor.read_temperature()
humidity = sensor.read_humidity()
timeStamp = time.time()
dataValue = 0
if DEVICE_TYPE=="T":
dataValue = temperature
else :
dataValue = humidity
msg_txt_formatted = MSG_TXT % (
DEVICE_TYPE,
DEVICE_ID,
timeStamp,
dataValue)
print (msg_txt_formatted)
message = IoTHubMessage(msg_txt_formatted)
# optional: assign ids
message.message_id = "message_%d" % MESSAGE_COUNT
message.correlation_id = "correlation_%d" % MESSAGE_COUNT
# optional: assign properties
prop_map = message.properties()
prop_map.add("temperatureAlert", "true" if temperature > TEMPERATURE_ALERT else "false")
client.send_event_async(message, send_confirmation_callback, MESSAGE_COUNT)
print ( "IoTHubClient.send_event_async accepted message [%d] for transmission to IoT Hub." % MESSAGE_COUNT )
status = client.get_send_status()
print ( "Send status: %s" % status )
MESSAGE_COUNT += 1
time.sleep(config.MESSAGE_TIMESPAN / 1000.0)
except IoTHubError as iothub_error:
print ( "Unexpected error %s from IoTHub" % iothub_error )
telemetry.send_telemetry_data(parse_iot_hub_name(), EVENT_FAILED, "Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print ( "IoTHubClient sample stopped" )
print_last_message_time(client)
def iothub_client_sample_run():
try:
client = iothub_client_init()
if client.protocol == IoTHubTransportProvider.MQTT:
print("IoTHubClient is reporting state")
reported_state = "{\"newState\":\"standBy\"}"
client.send_reported_state(reported_state, len(reported_state),
send_reported_state_callback,
SEND_REPORTED_STATE_CONTEXT)
telemetry.send_telemetry_data(parse_iot_hub_name(), EVENT_SUCCESS,
"IoT hub connection is established")
while True:
#tripWire()
global MESSAGE_COUNT, MESSAGE_SWITCH
if MESSAGE_SWITCH:
# send a few messages every minute
print("IoTHubClient sending %d messages" % MESSAGE_COUNT)
if tripWire() == 0:
lightState = "ON"
num = 0
else:
lightState = "OFF"
num = 1
#humidity = 1.23
#temperature = 4.56
#msg_txt_formatted = MSG_TXT % (temperature,humidity)
msg_txt_formatted = MSG_TXT % num
print(msg_txt_formatted)
message = IoTHubMessage(msg_txt_formatted)
message.message_id = "message_%d" % MESSAGE_COUNT
message.correlation_id = "correlation_%d" % MESSAGE_COUNT
prop_map = message.properties()
prop_map.add("Lightstate", lightState)
client.send_event_async(message, send_confirmation_callback,
MESSAGE_COUNT)
print(
"IoTHubClient.send_event_async accepted message [%d] for transmission to IoT Hub."
% MESSAGE_COUNT)
status = client.get_send_status()
print("Send status: %s" % status)
MESSAGE_COUNT += 1
time.sleep(1) #Brandon
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
telemetry.send_telemetry_data(
parse_iot_hub_name(), EVENT_FAILED,
"Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
GPIO.cleanup()
print("IoTHubClient sample stopped")
print_last_message_time(client)
def send_event_to_output(self, message, properties, send_context):
event = IoTHubMessage(bytearray(message, 'utf8'))
if len(properties) > 0:
prop_map = event.properties()
for key in properties:
prop_map.add_or_update(key, properties[key])
self.client.send_event_async(event, send_confirmation_callback,
send_context)
def ncd_send_message(msg, client):
print(msg)
message = IoTHubMessage(msg)
message.type = "Telemetry"
message.message_id = "message_0"
message.correlation_id = "correlation_0"
# # optional: assign properties
prop_map = message.properties()
client.send_event_async(message, send_confirmation_callback, 0)
print ( "IoTHubClient.send_event_async accepted message for transmission to IoT Hub.")
def iothub_client_sample_run(msg):
try:
client = iothub_client_init()
if client.protocol == IoTHubTransportProvider.MQTT:
print("IoTHubClient is reporting state")
reported_state = "{\"newState\":\"standBy\"}"
client.send_reported_state(reported_state, len(reported_state),
send_reported_state_callback,
SEND_REPORTED_STATE_CONTEXT)
x = True
while x == True:
# send a few messages every minute
print("IoTHubClient sending %d messages" % MESSAGE_COUNT)
for message_counter in range(0, MESSAGE_COUNT):
msg_txt_formatted = msg
print "7777777777777777777777777777777777777777777777777777777"
print msg_txt_formatted
print "8888888888888888888888888888888888888888888888888888888"
# messages can be encoded as string or bytearray
if (message_counter & 1) == 1:
message = IoTHubMessage(
bytearray(msg_txt_formatted, 'utf8'))
else:
message = IoTHubMessage(msg_txt_formatted)
# optional: assign ids
message.message_id = "message_%d" % message_counter
message.correlation_id = "correlation_%d" % message_counter
# optional: assign properties
prop_map = message.properties()
# prop_map.add("temperatureAlert", 'true' if temperature > 28 else 'false')
client.send_event_async(message, send_confirmation_callback, 1)
print(
"IoTHubClient.send_event_async accepted message [%d] for transmission to IoT Hub."
% message_counter)
print("IoTHubClient waiting for commands, press Ctrl-C to exit")
status = client.get_send_status()
x = False
status_counter = 0
while status_counter <= 0:
status = client.get_send_status()
print("Send status: %s" % status)
time.sleep(1)
status_counter += 1
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
def iothub_client_sample_run():
try:
client = iothub_client_init()
if client.protocol == IoTHubTransportProvider.MQTT:
print ( "IoTHubClient is reporting state" )
reported_state = "{\"newState\":\"standBy\"}"
client.send_reported_state(reported_state, len(reported_state), send_reported_state_callback, SEND_REPORTED_STATE_CONTEXT)
while True:
# send a few messages every minute
print ( "IoTHubClient sending %d messages" % MESSAGE_COUNT )
for message_counter in range(0, MESSAGE_COUNT):
temperature = MIN_TEMPERATURE + (random.random() * 10)
humidity = MIN_HUMIDITY + (random.random() * 20)
msg_txt_formatted = MSG_TXT % (
AVG_WIND_SPEED + (random.random() * 4 + 2),
temperature,
humidity)
# messages can be encoded as string or bytearray
if (message_counter & 1) == 1:
message = IoTHubMessage(bytearray(msg_txt_formatted, 'utf8'))
else:
message = IoTHubMessage(msg_txt_formatted)
# optional: assign ids
message.message_id = "message_%d" % message_counter
message.correlation_id = "correlation_%d" % message_counter
# optional: assign properties
prop_map = message.properties()
prop_map.add("temperatureAlert", 'true' if temperature > 28 else 'false')
client.send_event_async(message, send_confirmation_callback, message_counter)
print ( "IoTHubClient.send_event_async accepted message [%d] for transmission to IoT Hub." % message_counter )
# Wait for Commands or exit
print ( "IoTHubClient waiting for commands, press Ctrl-C to exit" )
status_counter = 0
while status_counter <= MESSAGE_COUNT:
status = client.get_send_status()
print ( "Send status: %s" % status )
time.sleep(10)
status_counter += 1
except IoTHubError as iothub_error:
print ( "Unexpected error %s from IoTHub" % iothub_error )
return
except KeyboardInterrupt:
print ( "IoTHubClient sample stopped" )
print_last_message_time(client)
def send_event(self, event, properties, send_context):
if not isinstance(event, IoTHubMessage):
event = IoTHubMessage(bytearray(event, 'utf8'))
if len(properties) > 0:
prop_map = event.properties()
for key in properties:
prop_map.add_or_update(key, properties[key])
self.client.send_event_async(
event, send_confirmation_callback, send_context)
def onHttpRequestSave():
#request.form['rawData']
# Data Sample {'temperature': 'nan', 'humidity': 'nan'}
resp = request.get_json()
resp['EventTime'] = datetime.datetime.now().strftime("%I:%M%p %B %d, %Y")
payload = json.dumps(resp)
data_t = strftime("%Y-%m-%dT%H:%M:%S+00:00", gmtime())
#payload = '{ "data": '+payload+', "deviceId": "engine", "time": "'+data_t+'" }'
#payload = payload
print(payload, file=sys.stderr)
print(type(payload),file=sys.stderr)
headers = {
'Content-Type': "application/json",
'User-Agent': "PostmanRuntime/7.11.0",
'Accept': "*/*",
'Cache-Control': "no-cache",
'Postman-Token': "0fa806d0-eee9-4960-8984-941eb1d8a340,0f174457-1072-4871-a853-2c2c8224f3f8",
'Host': "us-central1-alwaystuned2019.cloudfunctions.net",
'accept-encoding': "gzip, deflate",
'content-length': "405",
'Connection': "keep-alive",
'cache-control': "no-cache"
}
response = requests.request("POST", url, data=payload, headers=headers)
print(response.text, file=sys.stderr)
try:
client = iothub_client_init()
print ( "IoT Hub device sending periodic messages, press Ctrl-C to exit", file=sys.stderr)
message = IoTHubMessage(payload)
# Add a custom application property to the message.
# An IoT hub can filter on these properties without access to the message body.
prop_map = message.properties()
# Send the message.
print( "Sending message: %s" % message.get_string() , file=sys.stderr)
client.send_event_async(message, send_confirmation_callback, None)
except IoTHubError as iothub_error:
print ( "Unexpected error %s from IoTHub" % iothub_error , file=sys.stderr)
return
except KeyboardInterrupt:
print ( "IoTHubClient sample stopped" , file=sys.stderr)
print(resp, file=sys.stderr)
return saveData()
def send_event(self, event, properties, send_context):
if not isinstance(event, IoTHubMessage):
event = IoTHubMessage(bytearray(event, 'utf8'))
if len(properties) > 0:
prop_map = event.properties()
for key in properties:
prop_map.add_or_update(key, properties[key])
self.client.send_event_async(
event, send_confirmation_callback, send_context)
def composeStartMessage():
msg_unformatted = {"startTime": time.asctime(time.localtime(time.time()))}
msg_txt_formatted = json.dumps(msg_unformatted)
message = IoTHubMessage(msg_txt_formatted)
# optional: assign ids
message.message_id = "message_%d" % MESSAGE_COUNT
message.correlation_id = "correlation_%d" % MESSAGE_COUNT
# optional: assign properties
prop_map = message.properties()
prop_map.add("startupMessage", "true")
prop_map.add("telemetry", "false")
return message
def iothub_try(self, json, connection):
try:
print(json)
client = self.iothub_client_init(connection)
message_counter = 0
msg_txt_formatted = json
# messages can be encoded as string or bytearray
#print ( msg_txt_formatted )
if (message_counter & 1) == 1:
message = IoTHubMessage(bytearray(msg_txt_formatted, 'utf8'))
else:
r = randint(0, 9)
message = IoTHubMessage(msg_txt_formatted)
if r > 7:
prop_map = message.properties()
prop_map.add("BatteryAlert", 'true')
else:
prop_map = message.properties()
prop_map.add("BatteryAlert", 'false')
# optional: assign ids
message.message_id = "message_%d" % message_counter
message.correlation_id = "correlation_%d" % message_counter
client.send_event_async(message, send_confirmation_callback,
message_counter)
status = client.get_send_status()
print("Send status: %s" % status)
time.sleep(5)
message_counter += 1
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
def iothub_client_sample_run():
global gMQTTClient
try:
iotHubStopWatch = StopWatch(AZURE_REPORT_TIME)
iotHubStopWatch.reset()
client = iothub_client_init()
if client.protocol == IoTHubTransportProvider.MQTT:
print ( "IoTHubClient is reporting state" )
reported_state = "{\"newState\":\"standBy\"}"
client.send_reported_state(reported_state, len(reported_state),
send_reported_state_callback, SEND_REPORTED_STATE_CONTEXT)
count = 1
while True:
if (True == iotHubStopWatch.isExpired()):
global gSendMessage
if gSendMessage:
message = IoTHubMessage("JimsFridgeStatus")
message.message_id = "message_%d" % count
message.correlation_id = "correlation_%d" % count
prop_map = message.properties()
prop_map.add("FreezerDoor", str(gFreezerDoor))
prop_map.add("FreezerTemp", str(gFreezerTemp))
prop_map.add("FridgeDoor", str(gFridgeDoor))
prop_map.add("FridgeTemp", str(gFridgeTemp))
prop_map.add("BoredTime", str(gBoredTime))
prop_map.add("LockoutTime", str(gLockoutTime))
prop_map.add("DoorTime", str(gDoorTime))
prop_map.add("LastTweet", urllib.quote(gLastTweet))
prop_map.add("WebTweet", gWebTweet)
client.send_event_async(message, send_confirmation_callback, count)
count = count + 1
status = client.get_send_status()
iotHubStopWatch.reset()
gMQTTClient.loop()
time.sleep(0.01)
pass
except IoTHubError as iothub_error:
print ( "Unexpected error %s from IoTHub" % iothub_error )
return
except KeyboardInterrupt:
print ( "IoTHubClient sample stopped" )
print_last_message_time(client)
def iothub_client_shared_transport_sample_run():
try:
# create transport to share
transport = IoTHubTransport(PROTOCOL, IOTHUBNAME, IOTHUBSUFFIX)
client1 = iothub_client_init(transport, DEVICE_NAME1, DEVICE_KEY1)
client1.set_message_callback(receive_message_callback1, RECEIVE_CONTEXT)
client2 = iothub_client_init(transport, DEVICE_NAME2, DEVICE_KEY2)
client2.set_message_callback(receive_message_callback2, RECEIVE_CONTEXT)
print ( "IoTHubClient has been initialized" )
while True:
# send a few messages every minute
print ( "IoTHubClient sending %d messages" % MESSAGE_COUNT )
for message_counter in range(0, MESSAGE_COUNT):
temperature = MIN_TEMPERATURE + (random.random() * 10)
humidity = MIN_HUMIDITY + (random.random() * 20)
msg_txt_formatted = MSG_TXT % (
AVG_WIND_SPEED + (random.random() * 4 + 2),
temperature,
humidity)
# messages can be encoded as string or bytearray
if (message_counter & 1) == 1:
message = IoTHubMessage(bytearray(msg_txt_formatted, 'utf8'))
else:
message = IoTHubMessage(msg_txt_formatted)
# optional: assign ids
message.message_id = "message_%d" % message_counter
message.correlation_id = "correlation_%d" % message_counter
# optional: assign properties
prop_map = message.properties()
prop_map.add("temperatureAlert", 'true' if temperature > 28 else 'false')
if (message_counter % 2) == 0:
client1.send_event_async(message, send_confirmation_callback1, message_counter)
else:
client2.send_event_async(message, send_confirmation_callback2, message_counter)
print ( "IoTHubClient.send_event_async accepted message [%d] for transmission to IoT Hub." % message_counter )
# Wait for Commands or exit
print ( "IoTHubClient waiting for commands, press Ctrl-C to exit" )
status_counter = 0
while status_counter < MESSAGE_COUNT:
status1 = client1.get_send_status()
print ( "Send status client1: %s" % status1 )
status2 = client2.get_send_status()
print ( "Send status client2: %s" % status2 )
time.sleep(10)
status_counter += 1
except IoTHubError as iothub_error:
print ( "Unexpected error %s from IoTHub" % iothub_error )
return
except KeyboardInterrupt:
print ( "IoTHubClient sample stopped" )
print_last_message_time(client1)
print_last_message_time(client2)
def iothub_client_run():
try:
client = iothub_client_init()
if client.protocol == IoTHubTransportProvider.MQTT:
print ( "IoTHubClient is reporting state" )
reported_state = "{\"newState\":\"standBy\"}"
client.send_reported_state(reported_state, len(reported_state), send_reported_state_callback, SEND_REPORTED_STATE_CONTEXT)
telemetry.send_telemetry_data(parse_iot_hub_name(), EVENT_SUCCESS, "IoT hub connection is established")
while True:
global MESSAGE_COUNT,MESSAGE_SWITCH
if MESSAGE_SWITCH:
#-------------------------------------------------------------------------------------------
# This for loop reads the live data from the weather station and converts some of the data.
# ptrraw is the WS pointer to circluar log buffer offset (16 bytes)
# ptrhex ptr in Hex little endian
# Convert to correct Relative Pressure HPA for location by adding 9.6
# Convert MPS to KPH
# Error Handling:
# Check for lost connection or null data. If found break from loop and do not send message
#-------------------------------------------------------------------------------------------
for data, ptr, logged in ws.live_data():
record_time_local = datetime.now().strftime('%Y-%m-%dT%H:%M:%S.%f')
print("\n")
print(record_time_local)
ws_status = data['status']
ws_conn = data['status']['lost_connection']
# Check for lost connection
if ws_conn == True:
print("Lost Connection to Weather Station")
break
# Check for Null Data
if ws_conn == None:
print("No Data Returned From Weather Station")
break
# if connection OK process the data
ptrraw = ptr
ptrhex = "%04x" % ptr
record_time_utc = data['idx'].strftime('%Y-%m-%d %H:%M:%S')
hum_out = data['hum_out']
temp_out = data['temp_out']
hum_in = data['hum_in']
temp_in = data['temp_in']
abs_pres = data['abs_pressure']+9.6
wind_gust = data['wind_gust']*3.6
wind_avg = data['wind_ave']*3.6
wind_dir = data['wind_dir']
wind_pos = wind_direction(wind_dir)
rain = data['rain']
msg_txt_formatted = MSG_TXT % (
DeviceID,
record_time_local,
hum_out,
temp_out,
hum_in,
temp_in,
abs_pres,
wind_gust,
wind_avg,
wind_dir,
wind_pos,
rain)
break
if ws_conn == False:
print ( "IoTHubClient sending %d messages" % MESSAGE_COUNT )
message = IoTHubMessage(msg_txt_formatted)
# optional: assign ids
message.message_id = "message_%d" % MESSAGE_COUNT
message.correlation_id = "correlation_%d" % MESSAGE_COUNT
# optional: assign properties
prop_map = message.properties()
prop_map.add("temperatureAlert", "true" if temp_out > TEMPERATURE_ALERT else "false")
client.send_event_async(message, send_confirmation_callback, MESSAGE_COUNT)
print ( "IoTHubClient.send_event_async accepted message [%d] for transmission to IoT Hub." % MESSAGE_COUNT )
status = client.get_send_status()
print ( "Send status: %s" % status )
MESSAGE_COUNT += 1
time.sleep(config.MESSAGE_TIMESPAN / 1000.0)
except IoTHubError as iothub_error:
print ( "Unexpected error %s from IoTHub" % iothub_error )
telemetry.send_telemetry_data(parse_iot_hub_name(), EVENT_FAILED, "Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print ( "IoTHubClient stopped" )
print_last_message_time(client)
