public static async Task OnTTNDeviceEvent([MqttTrigger(typeof(TTNConfigProvider), "%TTNAppID%/devices/+/events/#")] IMqttMessage message, ILogger logger)
        {
            logger.LogInformation($"{DateTime.Now:g} Message for topic {message.Topic}");

            var messageParts = message.Topic.Split('/');
            var deviceId     = messageParts[2];
            var deviceEvent  = messageParts[4];

            using (var registryManager = RegistryManager.CreateFromConnectionString(AzureConfigProvider.GetIoTHubConnectionString()))
            {
                // TODO: This is a workaround for https://github.com/chkr1011/MQTTnet/issues/569. To be implemented in the correct way once this is fixed.
                switch (deviceEvent)
                {
                case "create":
                {
                    await registryManager.AddDeviceAsync(new Device(deviceId));

                    logger.LogInformation($"{DateTime.Now:g} Added device {deviceId} to IoT Hub");
                }
                break;

                case "delete":
                {
                    await registryManager.RemoveDeviceAsync(deviceId);

                    logger.LogInformation($"{DateTime.Now:g} Removed device {deviceId} from IoT Hub");
                }
                break;

                default:
                    break;
                }
            }
        }
        public static async Task OnTTNDeviceDeleted([MqttTrigger(typeof(TTNConfigProvider), "%TTNAppID%/devices/+/events/delete")] IMqttMessage message, ILogger logger)
        {
            logger.LogInformation($"{DateTime.Now:g} Device deletion message for topic {message.Topic}");

            var messageParts = message.Topic.Split('/');
            var deviceId     = messageParts[2];

            using (var registryManager = RegistryManager.CreateFromConnectionString(AzureConfigProvider.GetIoTHubConnectionString()))
            {
                await registryManager.RemoveDeviceAsync(deviceId);

                logger.LogInformation($"{DateTime.Now:g} Removed device {deviceId} from IoT Hub");
            }
        }
Пример #3
0
        public static async Task OnTTNUplinkMessage([HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = null)] HttpRequest request, ILogger logger)
        {
            logger.LogInformation($"{DateTime.Now:g} Device to Cloud message received");

            var requestBody = await new StreamReader(request.Body).ReadToEndAsync();
            var jsonData    = JObject.Parse(requestBody);
            var appId       = jsonData["app_id"].ToString();
            var deviceId    = jsonData["dev_id"].ToString();

            if (appId.Equals(TTNConfigProvider.GetTTNAppId()))
            {
                using (var registryManager = RegistryManager.CreateFromConnectionString(AzureConfigProvider.GetIoTHubConnectionString()))
                {
                    var device = await registryManager.GetDeviceAsync(deviceId);

                    using (var deviceClient = DeviceClient.CreateFromConnectionString(AzureConfigProvider.GetDeviceConnectionString(deviceId, device.Authentication.SymmetricKey.PrimaryKey)))
                    {
                        var eventMessage = new Microsoft.Azure.Devices.Client.Message(Encoding.UTF8.GetBytes(jsonData.ToString()));

                        await deviceClient.SendEventAsync(eventMessage);
                    }

                    logger.LogInformation($"{DateTime.Now:g} Sent event from device {deviceId} to IoT Hub");
                }
            }
        }