private static Message CreateMessageBody(ConnectedDeviceItem connectedDeviceItem)
{
var eventJson = JsonConvert.SerializeObject(connectedDeviceItem.InitialState);
var eventJsonBytes = Encoding.UTF8.GetBytes(eventJson);
var message = new Message(eventJsonBytes);
IDictionary <string, string> messageProperties = message.Properties;
messageProperties.Add("messageType", connectedDeviceItem.MessageType);
messageProperties.Add("correlationId", Guid.NewGuid().ToString());
messageProperties.Add("parentCorrelationId", Guid.NewGuid().ToString());
messageProperties.Add("createdDateTime", DateTime.UtcNow.ToString("u", DateTimeFormatInfo.InvariantInfo));
messageProperties.Add("deviceId", connectedDeviceItem.Name);
var properties = connectedDeviceItem.Properties;
if (properties != null)
{
foreach (var property in properties)
{
messageProperties.Add(property.Key, property.Value);
}
}
return(message);
}
public static async Task Run([EventGridTrigger] EventGridEvent eventGridEvent, TraceWriter log)
{
var iotHubConnectionString = Environment.GetEnvironmentVariable("IoTHubConnectionString");
var deviceItem = JsonConvert.DeserializeObject <DeviceItem>(eventGridEvent.Data.ToString());
var registryManager = RegistryManager.CreateFromConnectionString(iotHubConnectionString);
await AddDeviceAsync(registryManager, deviceItem, log);
await UpdateTwinAsync(registryManager, deviceItem, log);
var deviceConnectionString = await BuildConnectionStringAsync(registryManager, deviceItem, log);
var deviceClient = DeviceClient.CreateFromConnectionString(deviceConnectionString);
await deviceClient.OpenAsync();
var connectedDeviceItem = new ConnectedDeviceItem(deviceItem)
{
DeviceConnectionString = deviceConnectionString
};
var sendEventGridEvent = new EventGridEvent()
{
Id = Guid.NewGuid().ToString(),
EventTime = DateTime.UtcNow,
Data = JsonConvert.SerializeObject(connectedDeviceItem),
EventType = "sendEvent",
Subject = "simulation/devices/event",
DataVersion = "1.0",
};
await SendEventGridEvents(new List <EventGridEvent>(1) { sendEventGridEvent });
}
