private EventhubConnection(
string eventhubNamespace,
string eventHubName,
string sharedAccessKeyName,
string sharedAccessKey,
string consumerGroupName,
string listenerName,
string listenerVersion,
Func <EventMessage, Task> onMessage,
Func <Exception, Task> onError = null)
{
ListenerName = listenerName;
ListenerVersion = listenerVersion;
var endpoint = string.Format(EventhubUriTemplate, eventhubNamespace);
var receiverConnectionStringBuilder = new ServiceBusConnectionStringBuilder(endpoint, $"{eventHubName}/ConsumerGroups/{consumerGroupName}/Partitions/1", sharedAccessKeyName, sharedAccessKey);
var receiver = new MessageReceiver(receiverConnectionStringBuilder, ReceiveMode.ReceiveAndDelete);
receiver.RegisterMessageHandler(async(message, cancellationToken) =>
{
try
{
var eventMessage = EventMessage.Convert(message);
switch (eventMessage.EventName)
{
case EventNames.STATUS_REQUEST:
await SendStatusMessage();
break;
}
await onMessage(eventMessage);
}
catch (InvalidEventConversion e)
{
if (onError != null)
{
await onError(e);
}
}
},
new MessageHandlerOptions((exceptions) =>
{
Console.WriteLine($"Error received: {exceptions.Exception.Message}");
return(Task.FromResult <object>(null));
}));
var senderConnectionStringBuilder = new ServiceBusConnectionStringBuilder(endpoint, $"{eventHubName}/Partitions/1", sharedAccessKeyName, sharedAccessKey);
eventhubSender = new MessageSender(senderConnectionStringBuilder);
SendOnlineMessage().GetAwaiter().GetResult();
}
