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Simulated Device Cloud Upload sample for Azure IoT Gateway SDK

These are step by step instructions on how to build and run this sample. A more in depth walkthrough can be found here.

This sample contains the following modules:

  1. A logger module
  2. Two SIMULATED_DEVICE module instances
  3. An identity mapping module
  4. An IoT Hub module

How it works: the two simulated device modules will produce messages containing simulated temperature readings and MAC address. These messages are received by the identity mapping module, which will add the device ID and key to the messages. Once messages carrying device ID, key, and temperature are received by the IotHub module, they will be sent to IoT Hub.

The logger module logs all the exchanges on the message broker to a file.

How to build the sample:

Linux

  1. Open a shell
  2. Navigate to azure-iot-gateway-sdk\tools\
  3. Run build.sh

Note: build.sh does multiple things. It builds the project and places it in the "build" folder in the root of the repo. This folder is deleted and recreated every time build.sh is run. Additionally, build.sh runs all tests. The project can be build manually by using cmake. To do this:

create a folder for the build output and navigate to that folder.

run cmake <path to repo root>

run make -j $(nproc)

To run the tests:

run ctest -j $(nproc) -C Debug --output-on-failure

Windows

  1. Open a Developer Command for VS2015
  2. Navigate to azure-iot-gateway-sdk/tools/
  3. Run build.cmd

Note: build.cmd does multiple things. It builds a solution ('azure_iot_gateway_sdk.sln') and places it in the "build" folder in the root of the repo. This folder is deleted and recreated every time build.cmd is run. Additionally, build.cmd runs all tests. The project can be build manually by using cmake. To do this:

create a folder for the build output and navigate to that folder.

run cmake <path to repo root>

run msbuild /m /p:Configuration="Debug" /p:Platform="Win32" azure_iot_gateway_sdk.sln

To run the tests:

run ctest -C Debug -V

How to run the sample:

Linux

  • In a text editor, open the file samples/simulated_device_cloud_upload/src/simulated_device_cloud_upload_lin.json in your local copy of the azure-iot-gateway-sdk repository. This file configures the modules in the sample gateway:

Note: You will need connection information for two devices in IoT Hub before continuing. Refer to the sample walkthrough if you need help getting this information.

The IoTHub module connects to your IoT hub. You must configure it to send data to your IoT hub. Specifically, set the IoTHubName value to the name of your IoT hub and set the value of IoTHubSuffix to azure-devices.net.

The mapping module maps the MAC addresses of your simulated devices to your IoT Hub device ids. Make sure that deviceId values match the ids of the two devices you added to your IoT hub, and that the deviceKey values contain the keys of your two devices.

The BLE1 and BLE2 modules are the simulated devices. Note how their MAC addresses match those in the mapping module.

The Logger module logs your gateway activity to a file.

The module path values shown below assume that you will run the sample from the root of your local copy of the azure-iot-gateway-sdk repository.

  • Navigate to azure-iot-gateway-sdk/build.

  • Run $ ./samples/simulated_device_cloud_upload/simulated_device_cloud_upload_sample <path to JSON config file>

Note: The simulated device cloud upload process takes the path to a JSON configuration file as an argument in the command line. An example JSON file has been provided as part of the repo at `azure-iot-gateway-sdk/samples/simulated_device_cloud_upload/src/simulated_device_cloud_upload_lin.json'.

Windows

  • In a text editor, open the file samples/simulated_device_cloud_upload/src/simulated_device_cloud_upload_win.json in your local copy of the azure-iot-gateway-sdk repository. This file configures the modules in the sample gateway:

Note: You will need connection information for two devices in IoT Hub before continuing. Refer to the sample walkthrough if you need help getting this information.

The IoTHub module connects to your IoT hub. You must configure it to send data to your IoT hub. Specifically, set the IoTHubName value to the name of your IoT hub and set the value of IoTHubSuffix to azure-devices.net.

The mapping module maps the MAC addresses of your simulated devices to your IoT Hub device ids. Make sure that deviceId values match the ids of the two devices you added to your IoT hub, and that the deviceKey values contain the keys of your two devices.

The BLE1 and BLE2 modules are the simulated devices. Note how their MAC addresses match those in the mapping module.

The Logger module logs your gateway activity to a file.

The module path values shown below assume that you will run the sample from the root of your local copy of the azure-iot-gateway-sdk repository.

  • Navigate to azure-iot-gateway-sdk\build\samples\simulated_device_cloud_upload\Debug.

  • Run .\simulated_device_cloud_upload_sample.exe <path to JSON config file>

Note: The simulated device cloud upload process takes the path to a JSON configuration file as an argument in the command line. An example JSON file has been provided as part of the repo at `azure-iot-gateway-sdk\samples\simulated_device_cloud_upload\src\simulated_device_cloud_upload_win.json'.