public static async Task SendMessageToDeviceAsync(MAD.ServiceClient serviceClient, string targetDeviceId, string message)
{
var payload = new MAD.Message(Encoding.UTF8.GetBytes(message));
await serviceClient.SendAsync(targetDeviceId, payload);
}
private async Task<bool> SendMessageAndWaitForResponse(ServiceClient serviceClient, string deviceId, UpdateAccessKeyRequest updateAccessKey)
{
var serviceMessage = new Message(Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(updateAccessKey)));
serviceMessage.Ack = DeliveryAcknowledgement.Full;
serviceMessage.MessageId = Guid.NewGuid().ToString();
var feedbackReceiver = serviceClient.GetFeedbackReceiver();
var feedbackReceived = false;
var cancellationToken = new CancellationTokenSource(TimeSpan.FromSeconds(60)).Token;
var feedbackTask = Task.Run(async () =>
{
while (!feedbackReceived && !cancellationToken.IsCancellationRequested)
{
var feedbackBatch = await feedbackReceiver.ReceiveAsync(TimeSpan.FromSeconds(0.5));
if (feedbackBatch != null)
{
feedbackReceived = feedbackBatch.Records.Any(fm =>
fm.DeviceId == deviceId
&& fm.OriginalMessageId == serviceMessage.MessageId);
if (feedbackReceived)
{
await feedbackReceiver.CompleteAsync(feedbackBatch);
}
}
}
}, cancellationToken);
await Task.WhenAll(
feedbackTask,
serviceClient.SendAsync(deviceId, serviceMessage));
return feedbackReceived;
}
public async Task SendC2DMessage(string deviceId, byte[] msg)
{
var message = new Microsoft.Azure.Devices.Message(msg);
await serviceClient.SendAsync(deviceId, message);
}
// Azure Function -> Console App [Sender]
public static async Task SendMessageToDeviceAsync(MAD.ServiceClient serviceClient, string targetDeviceId, string message)
{
// Skicka meddelande "message" till Device "targetDeviceId" mha SendAsync
var payload = new MAD.Message(Encoding.UTF8.GetBytes(message));
await serviceClient.SendAsync(targetDeviceId, payload);
}
