public async void Dispose()
{
await _subscriptionClient.CloseAsync();
}
public async Task Run(string connectionString)
{
// Start senders and receivers:
Console.WriteLine("\nLaunching senders and receivers...");
var topicClient = new TopicClient(connectionString, TopicName);
Console.WriteLine("Preparing to send messages to {0}...", topicClient.Path);
// Send messages to queue:
Console.WriteLine("Sending messages to topic {0}", topicClient.Path);
var rand = new Random();
for (var i = 0; i < 100; ++i)
{
var msg = new Message()
{
TimeToLive = TimeSpan.FromMinutes(2),
UserProperties =
{
{ "Priority", rand.Next(1, 4) }
}
};
await topicClient.SendAsync(msg);
this.OutputMessageInfo("Sent: ", msg);
}
Console.WriteLine();
// All messages sent
Console.WriteLine("\nSender complete.");
// start receive
Console.WriteLine("Receiving messages by priority ...");
var subClient1 = new Microsoft.Azure.ServiceBus.SubscriptionClient(connectionString,
TopicName, "Priority1Subscription", ReceiveMode.PeekLock);
var subClient2 = new Microsoft.Azure.ServiceBus.SubscriptionClient(connectionString,
TopicName, "Priority2Subscription", ReceiveMode.PeekLock);
var subClient3 = new Microsoft.Azure.ServiceBus.SubscriptionClient(connectionString,
TopicName, "PriorityGreaterThan2Subscription", ReceiveMode.PeekLock);
Func <SubscriptionClient, Message, CancellationToken, Task> callback = (c, message, ct) =>
{
this.OutputMessageInfo("Received: ", message);
return(Task.CompletedTask);
};
subClient1.RegisterMessageHandler((m, c) => callback(subClient1, m, c),
new MessageHandlerOptions(LogMessageHandlerException)
{
MaxConcurrentCalls = 10, AutoComplete = true
});
subClient2.RegisterMessageHandler((m, c) => callback(subClient1, m, c),
new MessageHandlerOptions(LogMessageHandlerException)
{
MaxConcurrentCalls = 5, AutoComplete = true
});
subClient3.RegisterMessageHandler((m, c) => callback(subClient1, m, c),
new MessageHandlerOptions(LogMessageHandlerException)
{
MaxConcurrentCalls = 1, AutoComplete = true
});
Task.WaitAny(
Task.Run(() => Console.ReadKey()),
Task.Delay(TimeSpan.FromSeconds(10)));
await Task.WhenAll(subClient1.CloseAsync(), subClient2.CloseAsync(), subClient3.CloseAsync());
}
