def update_twin(iteration_id, download_uri, rtsp):
if iot is None: return
if iteration_id in iteration_ids:
print('[INFO] This iteration already deployed in the Edge')
return
try:
module = iot.get_module(DEVICE_ID, MODULE_ID)
except:
print('[ERROR] module does not exist', DEVICE_ID, MODULE_ID)
return
twin = Twin()
twin.properties = TwinProperties(
desired={
'inference_files_zip_url': download_uri,
'cam_type': 'rtsp_stream',
'cam_source': rtsp
})
iot.update_module_twin(DEVICE_ID, MODULE_ID, twin, module.etag)
print('[INFO] Updated IoT Module Twin with uri and rtsp', download_uri,
rtsp)
iteration_ids.add(iteration_id)
def update_twin(iteration_id, download_uri, rtsp):
"""Update twin"""
if iot is None:
return
if iteration_id in iteration_ids:
logger.info("This iteration already deployed on the Edge")
return
try:
module = iot.get_module(DEVICE_ID, MODULE_ID)
except:
logger.error("Module does not exist. Device ID: %s, Module ID: %s",
DEVICE_ID, MODULE_ID)
return
twin = Twin()
twin.properties = TwinProperties(
desired={
"inference_files_zip_url": download_uri,
"cam_type": "rtsp_stream",
"cam_source": rtsp,
})
iot.update_module_twin(DEVICE_ID, MODULE_ID, twin, module.etag)
logger.info(
"Updated IoT Module Twin with uri and rtsp. Download URI: %s RSTP: %s",
download_uri,
rtsp,
)
iteration_ids.add(iteration_id)
def update_twin(data_structure, vin_list, Campaign_name):
iothub_registry_manager = get_registry_manager()
for i in vin_list:
twin = iothub_registry_manager.get_twin(str(i))
x = {'Campaign_name': Campaign_name, 'eculist': data_structure}
twin_patch = Twin(properties=TwinProperties(desired=x))
iothub_registry_manager.update_twin(str(i), twin_patch, twin.etag)
def create_twin_update_job_request():
job = JobRequest()
job.job_id = "twinjob-" + str(uuid.uuid4())
job.type = "scheduleUpdateTwin"
job.start_time = datetime.datetime.utcnow().isoformat()
job.update_twin = Twin(
etag="*", properties=TwinProperties(desired={"temperature": 98.6}))
job.query_condition = "*"
return job
def update_desired_property_and_file(DEVICE_ID, version, file_name):
try:
iothub_registry_manager = get_registry_manager()
twin = iothub_registry_manager.get_twin(DEVICE_ID)
twin_patch = Twin(properties=TwinProperties(desired={
'fwVersion': version,
'fwPackageURI': file_name
}))
iothub_registry_manager.update_twin(DEVICE_ID, twin_patch, twin.etag)
except:
print("something went wrong")
def stdin_listener():
iothub_registry_manager = IoTHubRegistryManager(
IOTHUB_CONNECTION_STRING)
twin = iothub_registry_manager.get_twin(DEVICE_ID)
while True:
selection = input("Q: quit, F: forward, S: stop/free\n")
if selection == "Q" or selection == "q":
print("Quitting...")
break
elif selection == "F" or selection == "f":
twin_patch = Twin(properties=TwinProperties(
desired={'command': 'forward'}))
twin = iothub_registry_manager.update_twin(
DEVICE_ID, twin_patch, twin.etag)
elif selection == "S" or selection == "s":
twin_patch = Twin(properties=TwinProperties(
desired={'command': 'stop'}))
twin = iothub_registry_manager.update_twin(
DEVICE_ID, twin_patch, twin.etag)
def handle_twin(twin):
codes_start = int(time.time())
#print("Twin received", twin)
if ('desired' in twin):
desired = twin['desired']
#print(desired['code'])
code = str(desired['code'])
#Create a new executable file
if (desired['updated'] == 1):
print('code is updated')
fin = open("setup.c", "rt")
#output file to write the result to
name = "test{}".format(codes_start)
nfout = "{}.c".format(name)
sofout = "{}.so".format(name)
fout = open(nfout, "wt")
print(nfout, 'name of code')
#for each line in the input file
for line in fin:
#read replace the string and write to output file
fout.write(line)
fout.write(code)
fout.write("shutdown(sockfd, SHUT_RDWR);}")
#close input and output files
fout.close()
fin.close()
print("files are written")
time.sleep(0.3)
#make the binding to the so file
try:
bashCommand = "cc -fPIC -shared -o {} {}".format(sofout, nfout)
import subprocess
subprocess.Popen(bashCommand.split(), stdout=subprocess.PIPE)
except:
print('failed making binding')
time.sleep(0.3)
print('so is bounded')
#call uploaded code
from ctypes import CDLL
so_file = "/home/pi/remotelab/{}".format(sofout)
try:
my_functions = CDLL(so_file)
my_functions.main()
del my_functions
print('code is executed')
except:
print('code could not be executed')
#codes_start = codes_start + 1
twin_patch = Twin(properties=TwinProperties(
desired={'updated': 0}))
iothub_registry_manager.update_twin(DEVICE_ID, twin_patch,
twin2.etag)
def update_multiple_device(DEVICE_ID_LIST, version, file_name):
try:
iothub_registry_manager = get_registry_manager()
for device_name in DEVICE_ID_LIST:
twin = iothub_registry_manager.get_twin(device_name)
twin_patch = Twin(properties=TwinProperties(
desired={
'fwVersion': version,
'fwPackageURI': file_name
}))
iothub_registry_manager.update_twin(device_name, twin_patch,
twin.etag)
except:
print("something went wrong")
device_updated = iothub_registry_manager.update_device_with_sas(
device_id, device.etag, primary_key, secondary_key, device_state)
print_device_info("update_device", device_updated)
# Get device twin
twin = iothub_registry_manager.get_twin(device_id)
print(twin)
print("")
additional_props = twin.additional_properties
if "modelId" in additional_props:
print("Model id for digital twin is")
print("ModelId:" + additional_props["modelId"])
# # Replace twin
new_twin = Twin()
new_twin = twin
new_twin.properties = TwinProperties(desired={"telemetryInterval": 9000})
print(new_twin)
print("")
replaced_twin = iothub_registry_manager.replace_twin(device_id, new_twin)
print(replaced_twin)
print("")
# Update twin
twin_patch = Twin()
twin_patch.properties = TwinProperties(desired={"telemetryInterval": 3000})
updated_twin = iothub_registry_manager.update_twin(device_id, twin_patch,
twin.etag)
print(updated_twin)
# Get device twin
twin = iothub_registry_manager.get_twin(device_id)
print("The device twin is: ")
print("")
print(twin)
print("")
# Print the device's model ID
additional_props = twin.additional_properties
if "modelId" in additional_props:
print("The Model ID for this device is:")
print(additional_props["modelId"])
print("")
# Update twin
twin_patch = Twin()
twin_patch.properties = TwinProperties(
desired={"targetTemperature":
42}) # this is relevant for the thermostat device sample
updated_twin = iothub_registry_manager.update_twin(device_id, twin_patch,
twin.etag)
print("The twin patch has been successfully applied")
print("")
# invoke device method
device_method = CloudToDeviceMethod(method_name=method_name,
payload=method_payload)
iothub_registry_manager.invoke_device_method(device_id, device_method)
print("The device method has been successfully invoked")
print("")
"1. 5 seconds \n"
"2. 10 seconds \n"
"3. 20 seconds \n"
"4. Input your Value \n"
))
if defined_telemetry_value == 1: telemetry_interval_value = 5
if defined_telemetry_value == 2: telemetry_interval_value = 10
if defined_telemetry_value == 3: telemetry_interval_value = 20
if defined_telemetry_value == 4: telemetry_interval_value = defined_device_option
try:
# Create IoTHubRegistryManager
iothub_registry_manager = IoTHubRegistryManager(connection_str)
twin = iothub_registry_manager.get_twin(device_id)
# Update twin
twin_patch = Twin()
twin_patch = twin
twin_patch.properties = TwinProperties(desired={"Telemetry_Interval": telemetry_interval_value})
updated_twin = iothub_registry_manager.update_twin(device_id, twin_patch, twin.etag)
print("Set Telemetry Interval to: " + str(telemetry_interval_value) + "\n", updated_twin)
print("")
except Exception as ex:
print("Unexpected error {0}".format(ex))
except KeyboardInterrupt:
print("iothub_registry_manager_sample stopped")
if defined_device_option == 4: # Set Send_Data Switch
defined_Send_Data_value = int(input(
"1. Set Send_Data ON \n"
"2. Set Send Data OFF \n"
import sys
from time import sleep
from azure.iot.hub import IoTHubRegistryManager
from azure.iot.hub.models import Twin, TwinProperties, QuerySpecification, QueryResult
iothub_registry_manager = IoTHubRegistryManager("Service Connection String")
twin = iothub_registry_manager.get_twin("Device_id")
twin_patch = Twin(properties=TwinProperties(
desired={'Vision_Model_Version': 1.2}))
twin = iothub_registry_manager.update_twin(DEVICE_ID, twin_patch, twin.etag)
query_spec = QuerySpecification(
query=
"SELECT * FROM devices WHERE properties.reported.Vision_Model_Version <> 1.2"
)
query_result = iothub_registry_manager.query_iot_hub(query_spec, None, 100)
print("Devices that did not update: {}".format(', '.join(
[twin.device_id for twin in query_result.items])))
print()
query_spec = QuerySpecification(
query=
"SELECT * FROM devices WHERE tags.location.plant = 'Redmond43' AND properties.reported.connectivity = 'cellular'"
)
query_result = iothub_registry_manager.query_iot_hub(query_spec, None, 100)
print("Devices in Redmond43 plant using cellular network: {}".format(', '.join(
[twin.device_id for twin in query_result.items])))