private static async Task <ReadResult> DoReadOperation(string connectionString, string path, TimeSpan timeout, bool useCached, Func <MessageReceiver, Task <ReadResult> > operation)
{
ServiceBusConnection connection = null;
MessageReceiver requestClient = null;
try
{
if (useCached)
{
requestClient = ServiceBusMessagingFactory.Instance.GetMessageReceiver(connectionString, path, timeout);
}
else
{
connection = ServiceBusMessagingFactory.CreateConnectionWithTimeout(connectionString, timeout);
requestClient = new MessageReceiver(connection, path);
}
return(await operation.Invoke(requestClient).ConfigureAwait(false));
}
finally
{
await(requestClient?.CloseAsync() ?? Task.CompletedTask);
await(connection?.CloseAsync() ?? Task.CompletedTask);
}
}
public async Task Should_get_cached_sender_per_destination_for_send_via()
{
var pool = new MessageSenderPool(new ServiceBusConnectionStringBuilder(connectionString), null, null);
var connection = new ServiceBusConnection(connectionString);
try
{
var firstMessageSenderDest1 = pool.GetMessageSender("dest1", (connection, "via"));
pool.ReturnMessageSender(firstMessageSenderDest1);
var firstMessageSenderDest2 = pool.GetMessageSender("dest2", (connection, "via"));
pool.ReturnMessageSender(firstMessageSenderDest2);
var secondMessageSenderDest1 = pool.GetMessageSender("dest1", (connection, "via"));
var secondMessageSenderDest2 = pool.GetMessageSender("dest2", (connection, "via"));
Assert.AreSame(firstMessageSenderDest1, secondMessageSenderDest1);
Assert.AreSame(firstMessageSenderDest2, secondMessageSenderDest2);
Assert.AreNotSame(firstMessageSenderDest1, firstMessageSenderDest2);
Assert.AreNotSame(secondMessageSenderDest1, secondMessageSenderDest2);
}
finally
{
await pool.Close();
await connection.CloseAsync();
}
}
public async Task Should_return_correctly_configured_sender()
{
var pool = new MessageSenderPool(new ServiceBusConnectionStringBuilder(connectionString), null, null);
var connection = new ServiceBusConnection(connectionString);
try
{
// unfortunately it is not possible to assert the token provider
var nonSendViaSender = pool.GetMessageSender("dest1", (null, null));
var sendViaSender = pool.GetMessageSender("dest2", (connection, "via"));
Assert.AreEqual("dest1", nonSendViaSender.Path);
Assert.IsNull(nonSendViaSender.TransferDestinationPath);
Assert.IsNull(nonSendViaSender.ViaEntityPath);
Assert.IsTrue(nonSendViaSender.OwnsConnection);
Assert.AreEqual("via", sendViaSender.ViaEntityPath);
Assert.AreEqual("via", sendViaSender.Path);
Assert.AreEqual("dest2", sendViaSender.TransferDestinationPath);
Assert.IsFalse(sendViaSender.OwnsConnection);
}
finally
{
await pool.Close();
await connection.CloseAsync();
}
}
public void Dispose()
{
// a bit unnecessary, but good to remember if using different patters of Start / Stop
_failureEmitter?.CloseAsync();
_successEmitter?.CloseAsync();
_failureConn?.CloseAsync();
_successConn?.CloseAsync();
}
public async ValueTask DisposeAsync()
{
var address = _connection.Endpoint.ToString();
TransportLogMessages.DisconnectHost(address);
await _managementClient.CloseAsync().ConfigureAwait(false);
await _connection.CloseAsync().ConfigureAwait(false);
TransportLogMessages.DisconnectedHost(address);
}
public async Task TransactionCommitWorksAcrossClientsUsingSameConnectionToSameEntity()
{
var connection = new ServiceBusConnection(ConnectionString);
var sender = new MessageSender(connection, QueueName);
var receiver = new MessageReceiver(connection, QueueName);
try
{
string body1 = Guid.NewGuid().ToString("N");
string body2 = Guid.NewGuid().ToString("N");
var message = new Message(body1.GetBytes());
var message2 = new Message(body2.GetBytes());
await sender.SendAsync(message).ConfigureAwait(false);
var receivedMessage = await receiver.ReceiveAsync(ReceiveTimeout);
Assert.NotNull(receivedMessage);
Assert.Equal(body1, receivedMessage.Body.GetString());
using (var ts = new TransactionScope(TransactionScopeAsyncFlowOption.Enabled))
{
await receiver.CompleteAsync(receivedMessage.SystemProperties.LockToken);
await sender.SendAsync(message2).ConfigureAwait(false);
ts.Complete();
}
// Adding delay since transaction Commit/Rollback is an asynchronous operation.
// Operating on the same message should not be done.
await Task.Delay(TimeSpan.FromSeconds(2));
// Assert that complete did succeed
await Assert.ThrowsAsync <MessageLockLostException>(async() => await receiver.CompleteAsync(receivedMessage.SystemProperties.LockToken));
// Assert that send did succeed
receivedMessage = await receiver.ReceiveAsync(ReceiveTimeout);
Assert.NotNull(receivedMessage);
Assert.Equal(body2, receivedMessage.Body.GetString());
await receiver.CompleteAsync(receivedMessage.SystemProperties.LockToken);
}
finally
{
await sender.CloseAsync();
await receiver.CloseAsync();
await connection.CloseAsync();
}
}
/// <inheritdoc />
public async Task StopAsync(CancellationToken cancellationToken)
{
_logger.LogTrace($"Stopping [{nameof(ShiftRegistrationQueueMonitor)}]...");
if (_configuration == null || !_configuration.MonitoringEnabled || _monitoringConfiguration == null)
{
_logger.LogTrace($"Monitoring not configured or disabled.");
return;
}
await _queueClient.CloseAsync();
await _conn.CloseAsync();
_logger.LogTrace($"[{nameof(ShiftRegistrationQueueMonitor)}] stopped.");
}
public async Task TransactionRollbackWorksAcrossClientsUsingSameConnectionToSameEntity()
{
var connection = new ServiceBusConnection(ConnectionString);
var sender = new MessageSender(connection, QueueName);
var receiver = new MessageReceiver(connection, QueueName);
try
{
string body1 = Guid.NewGuid().ToString("N");
string body2 = Guid.NewGuid().ToString("N");
var message = new Message(body1.GetBytes());
var message2 = new Message(body2.GetBytes());
await sender.SendAsync(message).ConfigureAwait(false);
var receivedMessage = await receiver.ReceiveAsync(ReceiveTimeout);
Assert.NotNull(receivedMessage);
Assert.Equal(body1, receivedMessage.Body.GetString());
using (var ts = new TransactionScope(TransactionScopeAsyncFlowOption.Enabled))
{
await receiver.CompleteAsync(receivedMessage.SystemProperties.LockToken);
await sender.SendAsync(message2).ConfigureAwait(false);
ts.Dispose();
}
// Following should succeed without exceptions
await receiver.CompleteAsync(receivedMessage.SystemProperties.LockToken);
// Assert that send failed
receivedMessage = await receiver.ReceiveAsync(ReceiveTimeout);
Assert.Null(receivedMessage);
}
finally
{
await sender.CloseAsync();
await receiver.CloseAsync();
await connection.CloseAsync();
}
}
public async Task <T> RecibeMensajeSesion(string cadenaConexion, string nombreCola, string sesionId, int segundos, int intentos)
{
int contador = 0;
T respuesta = default(T);
var serviceBusConnectionStringBuilder = new ServiceBusConnectionStringBuilder(cadenaConexion);
var serviceBusConnection = new ServiceBusConnection(serviceBusConnectionStringBuilder);
var sessionClient = new SessionClient(serviceBusConnection, nombreCola, ReceiveMode.PeekLock, null, 0);
var messageSession = await sessionClient.AcceptMessageSessionAsync(sesionId, TimeSpan.FromMinutes(1));
if (messageSession != null)
{
while (contador < intentos)
{
Message message = await messageSession.ReceiveAsync(TimeSpan.FromSeconds(5));
if (message != null)
{
var bodyText = System.Text.Encoding.UTF8.GetString(message.Body);
respuesta = JsonConvert.DeserializeObject <T>(bodyText);
await messageSession.CompleteAsync(message.SystemProperties.LockToken);
contador = intentos;
}
else
{
await Task.Delay(segundos * 1000);
}
contador++;
}
}
await messageSession.CloseAsync();
await sessionClient.CloseAsync();
await serviceBusConnection.CloseAsync();
return(respuesta);
}
private async Task PerformSendAndReceiveOperation(string topicName, string subscriptionName, ServiceBusConnectionStringBuilder csBuilder)
{
var connection = new ServiceBusConnection(csBuilder);
var sender = new MessageSender(connection, topicName);
var receiver = new MessageReceiver(connection, EntityNameHelper.FormatSubscriptionPath(topicName, subscriptionName));
try
{
await sender.SendAsync(new Message()
{
MessageId = "1"
});
Console.WriteLine("Sent message successfully");
}
catch (UnauthorizedException)
{
Console.WriteLine($"Could not send message due to authorization failure");
}
try
{
var msg = await receiver.ReceiveAsync();
Console.WriteLine("Received message successfully");
}
catch (UnauthorizedException)
{
Console.WriteLine($"Could not receive message due to authorization failure");
}
await sender.CloseAsync();
await receiver.CloseAsync();
await connection.CloseAsync();
}
public void GlobalCleanup()
{
connection.CloseAsync().GetAwaiter().GetResult();
}
private async Task RunReceiveLoopAsync()
{
var client = new ServiceBusConnection(this.NamespaceName, TransportType.Amqp);
client.TokenProvider = new TokenCredentialTokenProvider(new DefaultAzureCredential());
long messageCount = 0;
var sw = Stopwatch.StartNew();
var bagStart = sw.ElapsedMilliseconds;
Console.WriteLine($"Receiving from entity '{EntityName}' in namespace '{NamespaceName}'");
var timer = new Timer(state =>
{
var snapshot = Interlocked.Exchange(ref messageCount, 0);
var bagDuration = sw.ElapsedMilliseconds - bagStart;
bagStart = sw.ElapsedMilliseconds;
Console.ResetColor();
Console.WriteLine($"\nReceived {snapshot / (bagDuration / 1000.0)} msg/sec, {snapshot} in {bagDuration} ms");
}, null, 10000, 10000);
var receiver = new MessageReceiver(client, EntityName, this.ReceiveDelete ? ReceiveMode.ReceiveAndDelete : ReceiveMode.PeekLock, RetryPolicy.Default, PrefetchCount);
Console.CancelKeyPress += async(a, o) => { await receiver.CloseAsync(); };
Message message = null;
do
{
message = await receiver.ReceiveAsync();
if (message != null)
{
try
{
if (!string.IsNullOrEmpty(message.SessionId) ||
!string.IsNullOrEmpty(message.Label))
{
int color = Math.Abs(string.IsNullOrEmpty(message.SessionId) ? message.Label.GetHashCode() : message.SessionId.GetHashCode());
Console.BackgroundColor = ConsoleColor.Black;
Console.ForegroundColor = (ConsoleColor)((color % 14) + 1);
}
//Console.Write("[]");
Interlocked.Increment(ref messageCount);
if (!this.ReceiveDelete)
{
receiver.CompleteAsync(message.SystemProperties.LockToken);
}
}
catch
{
if (!this.ReceiveDelete)
{
await receiver.AbandonAsync(message.SystemProperties.LockToken);
}
}
}
}while (message != null);
timer.Dispose();
await receiver.CloseAsync();
await client.CloseAsync();
}
private async Task Listen(CancellationToken cancellationToken)
{
var connection = new ServiceBusConnection(connectionString);
var messageReceivers = new List <BatchMessageReceiver>();
messageReceivers.AddRange(Enumerable.Range(0, 3)
.Select(i => new BatchMessageReceiver(connection, EndpointName)));
var errorQueueSender = new MessageSender(connection, errorQueueName, RetryPolicy.Default);
try
{
while (!cancellationToken.IsCancellationRequested)
{
try
{
var pipeLineStopwatch = Stopwatch.StartNew();
var receiveTimer = Stopwatch.StartNew();
var receiveTasks =
messageReceivers.Select(receiver => ReceiveMessages(receiver, cancellationToken)).ToList();
await Task.WhenAll(receiveTasks).ConfigureAwait(false);
var messages = receiveTasks.SelectMany(task => task.Result).ToList();
receiveTimer.Stop();
if (!messages.Any())
{
await Task.Delay(2000, cancellationToken);
continue;
}
RecordMetric("ReceiveMessages", receiveTimer.ElapsedMilliseconds, messages.Count);
var groupedMessages = new Dictionary <Type, List <(object Message, BatchMessageReceiver MessageReceiver, Message ReceivedMessage)> >();
foreach (var message in messages)
{
cancellationToken.ThrowIfCancellationRequested();
var key = message.Message.GetType();
var applicationMessages = groupedMessages.ContainsKey(key)
? groupedMessages[key]
: groupedMessages[key] = new List <(object Message, BatchMessageReceiver MessageReceiver, Message ReceivedMessage)>();
applicationMessages.Add(message);
}
var stopwatch = Stopwatch.StartNew();
await Task.WhenAll(groupedMessages.Select(group =>
ProcessMessages(group.Key, group.Value, cancellationToken)));
stopwatch.Stop();
RecordProcessedAllBatchesTelemetry(stopwatch.ElapsedMilliseconds, messages.Count);
pipeLineStopwatch.Stop();
RecordPipelineTelemetry(pipeLineStopwatch.ElapsedMilliseconds, messages.Count);
}
catch (TaskCanceledException)
{
logger.LogWarning("Cancelling communication listener.");
return;
}
catch (OperationCanceledException)
{
logger.LogWarning("Cancelling communication listener.");
return;
}
catch (Exception ex)
{
logger.LogError($"Error listening for message. Error: {ex.Message}", ex);
}
}
}
finally
{
await Task.WhenAll(messageReceivers.Select(receiver => receiver.Close())).ConfigureAwait(false);
if (!connection.IsClosedOrClosing)
{
await connection.CloseAsync();
}
}
}
private async Task Listen(CancellationToken cancellationToken)
{
var connection = new ServiceBusConnection(connectionString);
var messageReceiver = new MessageReceiver(connection, EndpointName, ReceiveMode.PeekLock,
RetryPolicy.Default, 0);
var errorQueueSender = new MessageSender(connection, errorQueueName, RetryPolicy.Default);
try
{
while (!cancellationToken.IsCancellationRequested)
{
try
{
var pipeLineStopwatch = Stopwatch.StartNew();
var messages = new List <Message>();
for (var i = 0; i < 10 && messages.Count <= 200; i++)
{
cancellationToken.ThrowIfCancellationRequested();
var receivedMessages = await messageReceiver.ReceiveAsync(200, TimeSpan.FromSeconds(2))
.ConfigureAwait(false);
if (receivedMessages == null || !receivedMessages.Any())
{
break;
}
messages.AddRange(receivedMessages);
}
if (!messages.Any())
{
await Task.Delay(2000, cancellationToken);
continue;
}
var groupedMessages = new Dictionary <Type, List <(string, object)> >();
foreach (var message in messages)
{
cancellationToken.ThrowIfCancellationRequested();
try
{
var applicationMessage = DeserializeMessage(message);
var key = applicationMessage.GetType();
var applicationMessages = groupedMessages.ContainsKey(key)
? groupedMessages[key]
: groupedMessages[key] = new List <(string, object)>();
applicationMessages.Add((message.SystemProperties.LockToken, applicationMessage));
}
catch (Exception e)
{
logger.LogError($"Error deserialising the message. Error: {e.Message}", e);
//TODO: should use the error queue instead of dead letter queue
await messageReceiver.DeadLetterAsync(message.SystemProperties.LockToken)
.ConfigureAwait(false);
}
}
var stopwatch = Stopwatch.StartNew();
await Task.WhenAll(groupedMessages.Select(group =>
ProcessMessages(group.Key, group.Value, messageReceiver, cancellationToken)));
stopwatch.Stop();
//RecordAllBatchProcessTelemetry(stopwatch.ElapsedMilliseconds, messages.Count);
pipeLineStopwatch.Stop();
//RecordPipelineTelemetry(pipeLineStopwatch.ElapsedMilliseconds, messages.Count);
}
catch (TaskCanceledException)
{
logger.LogWarning("Cancelling communication listener.");
return;
}
catch (OperationCanceledException)
{
logger.LogWarning("Cancelling communication listener.");
return;
}
catch (Exception ex)
{
logger.LogError($"Error listening for message. Error: {ex.Message}", ex);
}
}
}
finally
{
if (!messageReceiver.IsClosedOrClosing)
{
await messageReceiver.CloseAsync();
}
if (!connection.IsClosedOrClosing)
{
await connection.CloseAsync();
}
}
}
public void Dispose()
{
_connection.CloseAsync().Wait();
}