public async Task <IHttpActionResult> SendRoomTemperature(RoomTemperatureMessage message)
{
try
{
if (ModelState.IsValid)
{
CreateIfNotExists(message.TopicId, message.SubscriptionName);
var tpClient = TopicClient.CreateFromConnectionString(_connectionString, message.TopicId);
var topicMessage = new BrokeredMessage(message.Message);
// Set additional custom app-specific property.
topicMessage.Properties["MessageNumber"] = message.TopicId;
await tpClient.SendAsync(topicMessage).ConfigureAwait(false);
}
return(StatusCode(HttpStatusCode.NoContent));
}
catch (Exception ex)
{
return(StatusCode(HttpStatusCode.InternalServerError));
}
}
public void SubscribeToRoomTemperature(string topicId, string subscriptionName, string clientId)
{
var subscriptionClient = SubscriptionClient.CreateFromConnectionString(_connectionString, topicId, subscriptionName);
// Configure the callback options.
OnMessageOptions options = new OnMessageOptions
{
AutoComplete = false,
AutoRenewTimeout = TimeSpan.FromSeconds(10)
};
subscriptionClient.OnMessage((message) =>
{
try
{
var responsemessage = new RoomTemperatureMessage()
{
SubscriptionName = subscriptionName, Message = message.GetBody <RoomTemperature>()
};
// Process message from subscription.
Hub.Clients.Group(clientId).onReceiveMessage(responsemessage);
// Remove message from subscription.
message.Complete();
}
catch (Exception ex)
{
// Indicates a problem, unlock message in subscription.
message.Abandon();
var errormessage = new { message = "Server Error, Please contact your system adminstrator" };
Hub.Clients.Group(clientId).onErrorMessage(errormessage);
}
}, options);
}
