legacy/SERVER_CODE/donwlink_message.py

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2020-07-13 19:42:06 +02:00
from azure.iot.hub import IoTHubRegistryManager
from azure.iot.hub.models import CloudToDeviceMethod, CloudToDeviceMethodResult
CONNECTION_STRING = "HostName=AgriHub.azure-devices.net;SharedAccessKeyName=iothubowner;SharedAccessKey=v0auIwbmqfBDz3BY8aZtbnOzg8+6119LWylk1Jq1G0A="
DEVICE_ID = "Guard_Node_00001"
METHOD_PAYLOAD = "server_to_device_message"
def send_to_device(request_name):
try:
# Create IoTHubRegistryManager
registry_manager = IoTHubRegistryManager(CONNECTION_STRING)
# Call the direct method.
deviceMethod = CloudToDeviceMethod(method_name=request_name, payload=METHOD_PAYLOAD)
print ( "Device Method called" )
print ( "Device Method name : {0}".format(request_name) )
print ( "Device Method payload : {0}".format(METHOD_PAYLOAD) )
response = registry_manager.invoke_device_method(DEVICE_ID, deviceMethod)
print ( "Response status : {0}".format(response.status) )
print ( "Response payload : {0}".format(response.payload) )
except Exception as ex:
print ( "Unexpected error {0}".format(ex) )
return
except KeyboardInterrupt:
print ( "IoTHubDeviceMethod sample stopped" )