public static async Task <IActionResult> Run([HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)] HttpRequest req, [Queue("highbush-automation-queue", Connection = "AzureWebJobsStorage")] IAsyncCollector <IotEvent> queueCollector, ILogger log)
{
IActionResult result;
//string name = req.Query["name"];
string requestBody = new StreamReader(req.Body).ReadToEnd();
IotEvent iotEvent = JsonConvert.DeserializeObject <IotEvent>(requestBody);
//name = name ?? data?.name;
if (iotEvent == null)
{
log.LogInformation("IOT event not provided.");
result = new BadRequestObjectResult("Please pass IOT event in the request body.");
}
else
{
string message = "IOT event was triggered.";
await queueCollector.AddAsync(iotEvent);
log.LogInformation(message);
result = new OkObjectResult(message);
}
return(result);
}
/// <summary>
/// This starts waiting for messages from the IoT Hub.
/// </summary>
/// <returns></returns>
internal async Task StartAsync()
{
while (true)
{
try
{
var receivedMessage = await _deviceClient.ReceiveAsync(new TimeSpan(int.MaxValue));
if (receivedMessage == null)
{
continue;
}
foreach (var prop in receivedMessage.Properties)
{
await _display.WriteAsync($"{prop.Key} {prop.Value}");
}
await _deviceClient.CompleteAsync(receivedMessage);
var messageData = Encoding.ASCII.GetString(receivedMessage.GetBytes());
IotEvent?.Invoke(null, new IotEventArgs {
EventData = receivedMessage.Properties, MessageData = messageData
});
}
catch
{
//Write out to the display perhaps
}
}
}
public static async Task Run(
[QueueTrigger("highbush-automation-queue", Connection = "AzureWebJobsStorage")] IotEvent iotEvent, [Inject] IEventSender eventSender, ILogger log)
{
log.LogInformation($"C# Queue trigger function processed: {iotEvent}");
log.LogInformation($"Event type: {iotEvent.DoorEvent.DoorEventType}");
string topicName = Environment.GetEnvironmentVariable("EventGridTopicEndpoint");
string topicKey = Environment.GetEnvironmentVariable("EventGridTopicKey");
await eventSender.SendAsync(iotEvent.DoorEvent, topicName, topicKey);
}