private void PublishMessages(QueueName requestQueueName, QueueName replyQueueName, ref int processedMessages, CancellationToken token) { IQueueingService queueingService = CreateProvider(); processedMessages = 0; Random random = new Random(); while (true) { long x = random.Next(); long y = random.Next(); Message <CalculatorOperation> message = new Message <CalculatorOperation>(TimeSpan.FromMinutes(5), new CalculatorOperation(replyQueueName, "+", x, y)); queueingService.PostMessages(requestQueueName, message); bool handled = false; while (true) { // process reply messages using (Claim claim = queueingService.ClaimMessage(replyQueueName, null, TimeSpan.FromMinutes(1), TimeSpan.FromMinutes(1))) { foreach (QueuedMessage queuedMessage in claim.Messages) { CalculatorResult result = queuedMessage.Body.ToObject <CalculatorResult>(); if (result._id == message.Body._id) { // this is the reply to this thread's operation Assert.AreEqual(message.Body._operand1 + message.Body._operand2, result._result); Assert.AreEqual(x + y, result._result); queueingService.DeleteMessage(replyQueueName, queuedMessage.Id, claim); processedMessages++; handled = true; } else if (token.IsCancellationRequested) { // shutdown trigger return; } } } if (handled) { break; } if (token.IsCancellationRequested) { // shutdown trigger return; } } if (token.IsCancellationRequested) { // shutdown trigger return; } } }
public void SynchronousTestQueueClaims() { IQueueingService provider = CreateProvider(); QueueName queueName = CreateRandomQueueName(); provider.CreateQueue(queueName); provider.PostMessages(queueName, new Message <SampleMetadata>(TimeSpan.FromSeconds(120), new SampleMetadata(3, "yes"))); QueueStatistics statistics; using (Claim claim = provider.ClaimMessage(queueName, null, TimeSpan.FromMinutes(5), TimeSpan.FromMinutes(1))) { Assert.AreEqual(TimeSpan.FromMinutes(5), claim.TimeToLive); Assert.IsNotNull(claim.Messages); Assert.AreEqual(1, claim.Messages.Count); statistics = provider.GetQueueStatistics(queueName); Assert.AreEqual(1, statistics.MessageStatistics.Claimed); QueuedMessage message = provider.GetMessage(queueName, claim.Messages[0].Id); Assert.IsNotNull(message); TimeSpan age = claim.Age; Thread.Sleep(TimeSpan.FromSeconds(2)); claim.Refresh(); Assert.IsTrue(claim.Age >= age + TimeSpan.FromSeconds(2)); claim.Renew(TimeSpan.FromMinutes(10)); Assert.AreEqual(TimeSpan.FromMinutes(10), claim.TimeToLive); } statistics = provider.GetQueueStatistics(queueName); Assert.AreEqual(0, statistics.MessageStatistics.Claimed); provider.DeleteQueue(queueName); }
private void SubscribeMessages(QueueName requestQueueName, ref int processedMessages, CancellationToken token) { IQueueingService queueingService = CreateProvider(); processedMessages = 0; while (true) { // process request messages using (Claim claim = queueingService.ClaimMessage(requestQueueName, null, TimeSpan.FromMinutes(1), TimeSpan.FromMinutes(1))) { List <QueuedMessage> messagesToDelete = new List <QueuedMessage>(); foreach (QueuedMessage queuedMessage in claim.Messages) { if (token.IsCancellationRequested) { return; } CalculatorOperation operation = queuedMessage.Body.ToObject <CalculatorOperation>(); CalculatorResult result; switch (operation._command) { case "+": result = new CalculatorResult(operation, operation._operand1 + operation._operand2); break; case "-": result = new CalculatorResult(operation, operation._operand1 - operation._operand2); break; case "*": result = new CalculatorResult(operation, operation._operand1 * operation._operand2); break; case "/": result = new CalculatorResult(operation, operation._operand1 / operation._operand2); break; default: throw new InvalidOperationException(); } messagesToDelete.Add(queuedMessage); queueingService.PostMessages(operation._replyQueueName, new Message <CalculatorResult>(TimeSpan.FromMinutes(5), result)); processedMessages++; } if (messagesToDelete.Count > 0) { queueingService.DeleteMessages(requestQueueName, messagesToDelete.Select(i => i.Id)); } } if (token.IsCancellationRequested) { return; } } }