async def main():
hostname = os.getenv("HOSTNAME")
# The device having a certain module that has been created on the portal
# using X509 CA signing or Self signing capabilities
device_id = os.getenv("DEVICE_ID")
module_id = os.getenv("MODULE_ID")
x509 = X509(
cert_file=os.getenv("X509_CERT_FILE"),
key_file=os.getenv("X509_KEY_FILE"),
pass_phrase=os.getenv("PASS_PHRASE"),
)
module_client = IoTHubModuleClient.create_from_x509_certificate(
hostname=hostname, x509=x509, device_id=device_id, module_id=module_id
)
# Connect the client.
await module_client.connect()
async def send_test_message(i):
print("sending message #" + str(i))
msg = Message("test wind speed " + str(i))
msg.message_id = uuid.uuid4()
msg.correlation_id = "correlation-1234"
msg.custom_properties["tornado-warning"] = "yes"
await module_client.send_d2c_message(msg)
print("done sending message #" + str(i))
await asyncio.gather(*[send_test_message(i) for i in range(1, messages_to_send + 1)])
# finally, disconnect
await module_client.disconnect()
async def result_from_register(registration_id, device_cert_file, device_key_file):
x509 = X509(cert_file=device_cert_file, key_file=device_key_file, pass_phrase=device_password)
provisioning_device_client = ProvisioningDeviceClient.create_from_x509_certificate(
provisioning_host=PROVISIONING_HOST,
registration_id=registration_id,
id_scope=ID_SCOPE,
x509=x509,
)
return await provisioning_device_client.register()
async def result_from_register(registration_id, device_cert_file, device_key_file, protocol):
x509 = X509(cert_file=device_cert_file, key_file=device_key_file, pass_phrase=device_password)
protocol_boolean_mapping = {"mqtt": False, "mqttws": True}
provisioning_device_client = ProvisioningDeviceClient.create_from_x509_certificate(
provisioning_host=PROVISIONING_HOST,
registration_id=registration_id,
id_scope=ID_SCOPE,
x509=x509,
websockets=protocol_boolean_mapping[protocol],
)
return await provisioning_device_client.register()
async def register_device():
x509 = X509(
cert_file=os.getenv("X509_CERT_FILE"),
key_file=os.getenv("X509_KEY_FILE"),
pass_phrase=os.getenv("PASS_PHRASE"),
)
provisioning_device_client = ProvisioningDeviceClient.create_from_x509_certificate(
provisioning_host=provisioning_host,
registration_id=registration_id,
id_scope=id_scope,
x509=x509,
)
await provisioning_device_client.register()
async def main():
hostname = os.getenv("HOSTNAME")
# The device that has been created on the portal using X509 CA signing or Self signing capabilities
device_id = os.getenv("DEVICE_ID")
x509 = X509(
cert_file=os.getenv("X509_CERT_FILE"),
key_file=os.getenv("X509_KEY_FILE"),
pass_phrase=os.getenv("PASS_PHRASE"),
)
# The client object is used to interact with your Azure IoT hub.
device_client = IoTHubDeviceClient.create_from_x509_certificate(
hostname=hostname, device_id=device_id, x509=x509)
# define behavior for receiving a C2D message
async def c2d_listener(device_client):
while True:
c2d_message = await device_client.receive_c2d_message(
) # blocking call
print("the data in the message received was ")
print(c2d_message.data)
print("custom properties are")
print(c2d_message.custom_properties)
# define behavior for halting the application
def stdin_listener():
while True:
selection = input("Press Q to quit\n")
if selection == "Q" or selection == "q":
print("Quitting...")
break
# Schedule task for C2D Listener
asyncio.create_task(c2d_listener(device_client))
# Run the stdin listener in the event loop
loop = asyncio.get_running_loop()
user_finished = loop.run_in_executor(None, stdin_listener)
# Wait for user to indicate they are done listening for messages
await user_finished
# Finally, disconnect
await device_client.disconnect()
import logging
logging.basicConfig(level=logging.ERROR)
hostname = os.getenv("HOSTNAME")
# The device having a certain module that has been created on the portal
# using X509 CA signing or Self signing capabilities
# The <device_id>\<module_id> should be the common name of the certificate
device_id = os.getenv("DEVICE_ID")
module_id = os.getenv("MODULE_ID")
x509 = X509(
cert_file=os.getenv("X509_CERT_FILE"),
key_file=os.getenv("X509_KEY_FILE"),
pass_phrase=os.getenv("PASS_PHRASE"),
)
module_client = IoTHubModuleClient.create_from_x509_certificate(
hostname=hostname, x509=x509, device_id=device_id, module_id=module_id)
module_client.connect()
# send 5 messages with a 1 second pause between each message
for i in range(1, 6):
print("sending message #" + str(i))
msg = Message("test wind speed " + str(i))
msg.message_id = uuid.uuid4()
msg.correlation_id = "correlation-1234"
msg.custom_properties["tornado-warning"] = "yes"