public async Task <IList <EventData> > GetMessagesFromAllPartitions(DateTime startTime, int maxPerPartition = 10, int waitTimeSecs = 5)
{
var messages = new List <EventData>();
EventHubRuntimeInformation rtInfo = await this.eventHubClient.GetRuntimeInformationAsync();
foreach (string partition in rtInfo.PartitionIds)
{
PartitionReceiver partitionReceiver = this.eventHubClient.CreateReceiver(
PartitionReceiver.DefaultConsumerGroupName,
partition,
startTime);
// Retry a few times to make sure we get all expected messages.
for (int i = 0; i < 3; i++)
{
IEnumerable <EventData> events = await partitionReceiver.ReceiveAsync(maxPerPartition, TimeSpan.FromSeconds(waitTimeSecs));
if (events != null)
{
messages.AddRange(events);
}
if (i < 3)
{
await Task.Delay(TimeSpan.FromSeconds(5));
}
}
await partitionReceiver.CloseAsync();
}
return(messages);
}
public static void CreateListenerPalAndReceiveMessages()
{
var builder = new EventHubsConnectionStringBuilder(Configuration.IoTHub.EventHubString)
{
EntityPath = Configuration.IoTHub.EventHubCompatibleName
};
EventHubClient eventHubClient = EventHubClient.CreateFromConnectionString(builder.ToString());
var eventRuntimeInformation = eventHubClient.GetRuntimeInformationAsync().Result;
var eventHubPartitionsCount = eventRuntimeInformation.PartitionCount;
string consumerGroupName = Configuration.IoTHub.EventHubConsumerGroup;
foreach (string partitionId in eventRuntimeInformation.PartitionIds)
{
try
{
PartitionReceiver receiver = eventHubClient.CreateReceiver(PartitionReceiver.DefaultConsumerGroupName, partitionId, DateTime.Now.AddMinutes(-LookbackTimeInMinutes));
s_log.WriteLine($"EventHub receiver created for partition {partitionId}, listening from {LookbackTimeInMinutes}");
new Task(async() =>
{
while (true)
{
IEnumerable <EventData> eventDatas = await receiver.ReceiveAsync(int.MaxValue, TimeSpan.FromSeconds(OperationTimeoutInSeconds)).ConfigureAwait(false);
ProcessEventData(eventDatas);
}
}).Start();
}
catch (EventHubsException ex)
{
s_log.WriteLine($"{nameof(EventHubTestListener)}.{nameof(CreateListenerPalAndReceiveMessages)}: Cannot create receiver for partitionID {partitionId}: {ex}");
}
}
}
public async Task ReceiveFromInvalidPartition()
{
var ehClient = EventHubClient.CreateFromConnectionString(TestUtility.EventHubsConnectionString);
PartitionReceiver receiver = null;
try
{
// Some invalid partition values. These will fail on the service side.
var invalidPartitions = new List <string>()
{
"XYZ", "-1", "1000", "-"
};
foreach (var invalidPartitionId in invalidPartitions)
{
await Assert.ThrowsAsync <ArgumentOutOfRangeException>(async() =>
{
TestUtility.Log($"Receiving from invalid partition {invalidPartitionId}");
receiver = ehClient.CreateReceiver(PartitionReceiver.DefaultConsumerGroupName, invalidPartitionId, EventPosition.FromStart());
await receiver.ReceiveAsync(1);
});
await receiver.CloseAsync();
}
// Some invalid partition values. These will fail on the client side.
invalidPartitions = new List <string>()
{
" ", null, ""
};
foreach (var invalidPartitionId in invalidPartitions)
{
await Assert.ThrowsAsync <InvalidOperationException>(async() =>
{
TestUtility.Log($"Receiving from invalid partition {invalidPartitionId}");
receiver = ehClient.CreateReceiver(PartitionReceiver.DefaultConsumerGroupName, invalidPartitionId, EventPosition.FromStart());
await receiver.ReceiveAsync(1);
});
await receiver.CloseAsync();
}
}
finally
{
await ehClient.CloseAsync();
}
}
private async Task ReceiverPumpAsync(PartitionReceiver receiver, Func <IReadOnlyCollection <QueueMessage>, Task> onMessage, int maxBatchSize, CancellationToken cancellationToken)
{
while (true)
{
try
{
IEnumerable <EventData> events = await receiver.ReceiveAsync(maxBatchSize, _waitTime);
if (events != null && !cancellationToken.IsCancellationRequested)
{
List <QueueMessage> qms = events.Select(ed => Converter.ToQueueMessage(ed, receiver.PartitionId)).ToList();
await onMessage(qms);
QueueMessage lastMessage = qms.LastOrDefault();
//save state
if (lastMessage != null)
{
const string sequenceNumberPropertyName = "x-opt-sequence-number";
if (lastMessage.Properties.TryGetValue(sequenceNumberPropertyName, out string sequenceNumber))
{
long?sequenceNumberLong = null;
if (long.TryParse(sequenceNumber, out long seqenceNumberNonNullable))
{
sequenceNumberLong = seqenceNumberNonNullable;
}
await _state.SetPartitionStateAsync(receiver.PartitionId, sequenceNumberLong);
}
}
}
if (cancellationToken.IsCancellationRequested)
{
await receiver.CloseAsync();
return;
}
}
catch (ArgumentException ex)
{
Console.WriteLine("failed with message: '{0}', clearing partition state.", ex);
await _state.SetPartitionStateAsync(receiver.PartitionId, EventPosition.FromStart().SequenceNumber);
}
catch (OperationCanceledException)
{
return;
}
catch (Exception ex)
{
Console.WriteLine("receiver stopped: {0}", ex);
return;
}
}
}
public void ReceiveAsyncValidatesTheMaximumWaitTime(int timeSpanDelta)
{
var transportConsumer = new ObservableTransportConsumerMock();
var receiver = new PartitionReceiver("group", "0", "hub", true, TimeSpan.Zero, transportConsumer);
var expectedWaitTime = TimeSpan.FromMilliseconds(timeSpanDelta);
using var cancellation = new CancellationTokenSource();
Assert.That(async() => await receiver.ReceiveAsync(32, expectedWaitTime, cancellation.Token), Throws.InstanceOf <ArgumentException>());
}
static async Task Receive(int number)
{
var sms = await _receiver.ReceiveAsync(number);
foreach (EventData s in sms)
{
Console.WriteLine($"Event Read from ReceiveAsync: { FromByteArray<SmsContent>(s.Body.ToArray()) } - Partition key : {s.SystemProperties.PartitionKey}");
}
}
async Task SendReceiveNonexistentEntity()
{
// Rebuild connection string with a nonexistent entity.
var csb = new EventHubsConnectionStringBuilder(this.connectionString);
csb.EntityPath = Guid.NewGuid().ToString();
var ehClient = EventHubClient.CreateFromConnectionString(csb.ToString());
// Try sending.
PartitionSender sender = null;
await Assert.ThrowsAsync <MessagingEntityNotFoundException>(async() =>
{
Log("Sending an event to nonexistent entity.");
sender = ehClient.CreatePartitionSender("0");
await sender.SendAsync(new EventData(Encoding.UTF8.GetBytes("this send should fail.")));
throw new InvalidOperationException("Send should have failed");
});
await sender.CloseAsync();
// Try receiving.
PartitionReceiver receiver = null;
await Assert.ThrowsAsync <MessagingEntityNotFoundException>(async() =>
{
Log("Receiving from nonexistent entity.");
receiver = ehClient.CreateReceiver(PartitionReceiver.DefaultConsumerGroupName, "0", PartitionReceiver.StartOfStream);
await receiver.ReceiveAsync(1);
throw new InvalidOperationException("Receive should have failed");
});
await receiver.CloseAsync();
// Try receiving on an nonexistent consumer group.
ehClient = EventHubClient.CreateFromConnectionString(this.connectionString);
await Assert.ThrowsAsync <MessagingEntityNotFoundException>(async() =>
{
Log("Receiving from nonexistent consumer group.");
receiver = ehClient.CreateReceiver(Guid.NewGuid().ToString(), "0", PartitionReceiver.StartOfStream);
await receiver.ReceiveAsync(1);
throw new InvalidOperationException("Receive should have failed");
});
await receiver.CloseAsync();
}
/// <summary>
/// Method created to connect and process the Topic/Subscription in the azure.
/// </summary>
/// <returns></returns>
private void ProcessHub()
{
if (_topics.Count != 1)
{
throw new LightException($"EventHub implementation must have one Entity Model related!");
}
var e = _topics.GetEnumerator();
e.MoveNext();
var topic = e.Current;
var connectionStringBuilder = new EventHubsConnectionStringBuilder(GetConnection(topic))
{
EntityPath = topic.Value.TopicName
};
EventHubClient client = EventHubClient.CreateFromConnectionString(connectionStringBuilder.ToString());
PartitionReceiver receiver = client.CreateReceiver(topic.Value.Subscription, "0", EventPosition.FromStart(), null);
IEnumerable <EventData> receivedEvents = receiver.ReceiveAsync(topic.Value.TakeQuantity).Result;
try
{
while (true)
{
if (receivedEvents != null)
{
foreach (EventData receivedEvent in receivedEvents)
{
LightWorker.InvokeProcess(topic.Key, receivedEvent.Body.ToArray());
}
}
receivedEvents = receiver.ReceiveAsync(topic.Value.TakeQuantity).Result;
}
}
catch (Exception exception)
{
Exception moreInfo = new Exception($"Exception reading topic={topic.Value.TopicName} with subscription={topic.Value.Subscription} from event hub. See inner exception for details. Message={exception.Message}", exception);
//Use the class instead of interface because tracking exceptions directly is not supposed to be done outside AMAW (i.e. by the business code)
((LightTelemetry)WorkBench.Telemetry).TrackException(moreInfo);
}
}
// Send and receive given event on given partition.
protected async Task <EventData> SendAndReceiveEventAsync(string partitionId, EventData sendEvent, EventHubClient client)
{
PartitionSender partitionSender = client.CreatePartitionSender(partitionId);
PartitionReceiver partitionReceiver = client.CreateReceiver(PartitionReceiver.DefaultConsumerGroupName, partitionId, EventPosition.FromEnqueuedTime(DateTime.UtcNow.AddMinutes(-10)));
EventData receivedEvent = null;
try
{
string uniqueEventId = Guid.NewGuid().ToString();
TestUtility.Log($"Sending event to Partition {partitionId} with custom property EventId {uniqueEventId}");
sendEvent.Properties["EventId"] = uniqueEventId;
await partitionSender.SendAsync(sendEvent);
bool expectedEventReceived = false;
do
{
IEnumerable <EventData> eventDatas = await partitionReceiver.ReceiveAsync(10);
if (eventDatas == null)
{
break;
}
TestUtility.Log($"Received a batch of {eventDatas.Count()} events:");
foreach (var eventData in eventDatas)
{
object objectValue;
if (eventData.Properties != null && eventData.Properties.TryGetValue("EventId", out objectValue))
{
TestUtility.Log($"Received message with EventId {objectValue}");
string receivedId = objectValue.ToString();
if (receivedId == uniqueEventId)
{
TestUtility.Log("Success");
receivedEvent = eventData;
expectedEventReceived = true;
break;
}
}
}
}while (!expectedEventReceived);
Assert.True(expectedEventReceived, $"Did not receive expected event with EventId {uniqueEventId}");
}
finally
{
await Task.WhenAll(
partitionReceiver.CloseAsync(),
partitionSender.CloseAsync());
}
return(receivedEvent);
}
async Task PartitionReceiverReceive()
{
Log("Receiving Events via PartitionReceiver.ReceiveAsync");
const string partitionId = "1";
PartitionSender partitionSender = this.EventHubClient.CreatePartitionSender(partitionId);
PartitionReceiver partitionReceiver = this.EventHubClient.CreateReceiver(PartitionReceiver.DefaultConsumerGroupName, partitionId, DateTime.UtcNow.AddMinutes(-10));
try
{
string uniqueEventId = Guid.NewGuid().ToString();
Log($"Sending an event to Partition {partitionId} with custom property EventId {uniqueEventId}");
var sendEvent = new EventData(Encoding.UTF8.GetBytes("Hello EventHub!"));
sendEvent.Properties = new Dictionary <string, object> {
["EventId"] = uniqueEventId
};
await partitionSender.SendAsync(sendEvent);
bool expectedEventReceived = false;
do
{
IEnumerable <EventData> eventDatas = await partitionReceiver.ReceiveAsync(10);
if (eventDatas == null)
{
break;
}
Log($"Received a batch of {eventDatas.Count()} events:");
foreach (var eventData in eventDatas)
{
object objectValue;
if (eventData.Properties != null && eventData.Properties.TryGetValue("EventId", out objectValue))
{
Log($"Received message with EventId {objectValue}");
string receivedId = objectValue.ToString();
if (receivedId == uniqueEventId)
{
Log("Success");
expectedEventReceived = true;
break;
}
}
}
}while (!expectedEventReceived);
Assert.True(expectedEventReceived, $"Did not receive expected event with EventId {uniqueEventId}");
}
finally
{
await Task.WhenAll(
partitionReceiver.CloseAsync(),
partitionSender.CloseAsync());
}
}
async Task ReceiveFromInvalidPartition()
{
PartitionReceiver receiver = null;
// Some invalid partition values. These will fail on the service side.
var invalidPartitions = new List <string>()
{
"XYZ", "-1", "1000", "-"
};
foreach (var invalidPartitionId in invalidPartitions)
{
await Assert.ThrowsAsync <ArgumentOutOfRangeException>(async() =>
{
TestUtility.Log($"Receiving from invalid partition {invalidPartitionId}");
receiver = this.EventHubClient.CreateReceiver(PartitionReceiver.DefaultConsumerGroupName, invalidPartitionId, EventPosition.FromStart());
await receiver.ReceiveAsync(1);
throw new InvalidOperationException("Receive call should have failed");
});
await receiver.CloseAsync();
}
// Some invalid partition values. These will fail on the client side.
invalidPartitions = new List <string>()
{
" ", null, ""
};
foreach (var invalidPartitionId in invalidPartitions)
{
await Assert.ThrowsAsync <InvalidOperationException>(async() =>
{
TestUtility.Log($"Receiving from invalid partition {invalidPartitionId}");
receiver = this.EventHubClient.CreateReceiver(PartitionReceiver.DefaultConsumerGroupName, invalidPartitionId, EventPosition.FromStart());
await receiver.ReceiveAsync(1);
throw new InvalidOperationException("Receive call should have failed");
});
await receiver.CloseAsync();
}
}
public async Task UseSharedAccessSignature()
{
await using (var scope = await EventHubScope.CreateAsync(1))
{
var connectionString = TestUtility.BuildEventHubsConnectionString(scope.EventHubName);
var csb = new EventHubsConnectionStringBuilder(connectionString);
var tokenProvider = TokenProvider.CreateSharedAccessSignatureTokenProvider(csb.SasKeyName, csb.SasKey);
var token = await tokenProvider.GetTokenAsync(csb.Endpoint.ToString(), TimeSpan.FromSeconds(120));
var sas = token.TokenValue.ToString();
// Update connection string builder to use shared access signature instead.
csb.SasKey = "";
csb.SasKeyName = "";
csb.SharedAccessSignature = sas;
// Create new client with updated connection string.
var ehClient = EventHubClient.CreateFromConnectionString(csb.ToString());
// Send one event
TestUtility.Log($"Sending one message.");
var ehSender = ehClient.CreatePartitionSender("0");
var eventData = new EventData(Encoding.UTF8.GetBytes("Hello EventHub!"));
await ehSender.SendAsync(eventData);
// Receive event.
PartitionReceiver ehReceiver = null;
try
{
TestUtility.Log($"Receiving one message.");
ehReceiver = ehClient.CreateReceiver(PartitionReceiver.DefaultConsumerGroupName, "0", EventPosition.FromStart());
var msg = await ehReceiver.ReceiveAsync(1);
Assert.True(msg != null, "Failed to receive message.");
}
finally
{
await ehReceiver?.CloseAsync();
}
// Get EH runtime information.
TestUtility.Log($"Getting Event Hub runtime information.");
var ehInfo = await ehClient.GetRuntimeInformationAsync();
Assert.True(ehInfo != null, "Failed to get runtime information.");
// Get EH partition runtime information.
TestUtility.Log($"Getting Event Hub partition '0' runtime information.");
var partitionInfo = await ehClient.GetPartitionRuntimeInformationAsync("0");
Assert.True(ehInfo != null, "Failed to get runtime partition information.");
}
}
protected async Task ReceiveMessagesFromDeviceAsync(PartitionReceiver receiver)
{
while (true)
{
var eventData = await receiver.ReceiveAsync(5, new TimeSpan(0, 0, 5)); //Timeout for receiving messages = 30 seconds
int count = 0;
if (eventData != null)
{
if (eventData != null)
{
foreach (var item in eventData)
{
count++;
if (item.SystemProperties.EnqueuedTimeUtc >= lastRowValues[receiver.PartitionId].EnqueuedTimeUtc && Convert.ToInt64(item.SystemProperties.Offset) > lastRowValues[receiver.PartitionId].EnqueuedOffset)
{
if (item.Properties.ContainsKey("MessageType") && item.Properties.ContainsKey("UnicodeEncoding"))
{
if (this.MessageType.Equals(item.Properties["MessageType"]))
{
//Assert ? item.Properties["UnicodeEncoding"] == "UTF8"
string data = UnicodeEncoding.UTF8.GetString(item.Body.Array);
var jsonDeserializerSettings = new JsonSerializerSettings()
{
DateFormatHandling = DateFormatHandling.IsoDateFormat, DateParseHandling = DateParseHandling.DateTimeOffset, DateTimeZoneHandling = DateTimeZoneHandling.RoundtripKind
};
List <Dictionary <string, object> > results = JsonConvert.DeserializeObject <List <Dictionary <string, object> > >(data, jsonDeserializerSettings);
foreach (var r in results)
{
RowRead row = new RowRead();
row.Values = r;
receivedRows.Add(row);
}
}
}
LastReceivedMessage lastReceivedMessage;
lastReceivedMessage.EnqueuedTimeUtc = item.SystemProperties.EnqueuedTimeUtc;
lastReceivedMessage.EnqueuedOffset = Convert.ToInt64(item.SystemProperties.Offset);
lastRowValues[receiver.PartitionId] = lastReceivedMessage;
}
}
}
}
if (count == 0)
{
break;
}
}
await Task.CompletedTask;
}
// Sends single message to given partition and returns it after receiving.
async Task <EventData> SendAndReceiveSingleEvent(string partitionId)
{
var eDataToSend = new EventData(new byte[1]);
// Stamp this message so we can recognize it when received.
var stampValue = Guid.NewGuid().ToString();
var sendEvent = new EventData(Encoding.UTF8.GetBytes("Hello EventHub!"));
eDataToSend.Properties = new Dictionary <string, object>
{
{ "stamp", stampValue }
};
PartitionSender partitionSender = this.EventHubClient.CreatePartitionSender(partitionId);
Log($"Sending single event to partition {partitionId} with stamp {stampValue}");
await partitionSender.SendAsync(eDataToSend);
Log($"Receiving all messages from partition {partitionId}");
PartitionReceiver receiver = null;
try
{
receiver = this.EventHubClient.CreateReceiver(PartitionReceiver.DefaultConsumerGroupName,
partitionId, PartitionReceiver.StartOfStream);
while (true)
{
var receivedEvents = await receiver.ReceiveAsync(100);
if (receivedEvents == null || receivedEvents.Count() == 0)
{
throw new Exception("Not able to receive stamped message!");
}
Log($"Received {receivedEvents.Count()} event(s) in batch where last event is sent on {receivedEvents.Last().SystemProperties.EnqueuedTimeUtc}");
// Continue until we locate stamped message.
foreach (var receivedEvent in receivedEvents)
{
if (receivedEvent.Properties != null &&
receivedEvent.Properties.ContainsKey("stamp") &&
receivedEvent.Properties["stamp"].ToString() == eDataToSend.Properties["stamp"].ToString())
{
return(receivedEvent);
}
}
}
}
finally
{
await receiver.CloseAsync();
}
}
//// This function create a device with x509 cert and send a message to the iothub on the transport specified.
//// It then verifies the message is received at the eventHubClient.
internal async Task SendSingleMessageX509(Client.TransportType transport)
{
// TODO: Update Jenkins Config
string endpoint = Configuration.IoTHub.EventHubString;
if (endpoint.IsNullOrWhiteSpace())
{
return;
}
Tuple <string, string> deviceInfo = TestUtil.CreateDeviceWithX509(DevicePrefix, hostName, registryManager);
EventHubClient eventHubClient;
PartitionReceiver eventHubReceiver = await CreateEventHubReceiver(deviceInfo.Item1).ConfigureAwait(false);
X509Certificate2 cert = Configuration.IoTHub.GetCertificateWithPrivateKey();
var auth = new DeviceAuthenticationWithX509Certificate(deviceInfo.Item1, cert);
var deviceClient = DeviceClient.Create(deviceInfo.Item2, auth, transport);
try
{
await deviceClient.OpenAsync().ConfigureAwait(false);
string payload;
string p1Value;
Client.Message testMessage = ComposeD2CTestMessage(out payload, out p1Value);
await deviceClient.SendEventAsync(testMessage).ConfigureAwait(false);
bool isReceived = false;
Stopwatch sw = new Stopwatch();
sw.Start();
while (!isReceived && sw.Elapsed.Minutes < 1)
{
var events = await eventHubReceiver.ReceiveAsync(int.MaxValue, TimeSpan.FromSeconds(5)).ConfigureAwait(false);
isReceived = VerifyTestMessage(events, deviceInfo.Item1, payload, p1Value);
}
sw.Stop();
Assert.IsTrue(isReceived, "Message is not received.");
}
finally
{
await deviceClient.CloseAsync().ConfigureAwait(false);
await eventHubReceiver.CloseAsync().ConfigureAwait(false);
await TestUtil.RemoveDeviceAsync(deviceInfo.Item1, registryManager).ConfigureAwait(false);
}
}
internal async Task SendMessageThrottledForHttp()
{
// TODO: Update Jenkins Config
if (Configuration.IoTHub.EventHubString.IsNullOrWhiteSpace())
{
return;
}
await sequentialTestSemaphore.WaitAsync();
Tuple <string, string> deviceInfo = TestUtil.CreateDevice(DevicePrefix, hostName, registryManager);
EventHubClient eventHubClient;
PartitionReceiver eventHubReceiver = await CreateEventHubReceiver(deviceInfo.Item1);
var deviceClient = DeviceClient.CreateFromConnectionString(deviceInfo.Item2, Client.TransportType.Http1);
try
{
deviceClient.OperationTimeoutInMilliseconds = (uint)TestUtil.ShortRetryInMilliSec;
await deviceClient.OpenAsync();
string payload, p1Value;
Client.Message testMessage = ComposeD2CTestMessage(out payload, out p1Value);
await deviceClient.SendEventAsync(testMessage);
bool isReceived = false;
Stopwatch sw = new Stopwatch();
sw.Start();
while (!isReceived && sw.Elapsed.Minutes < 1)
{
var events = await eventHubReceiver.ReceiveAsync(int.MaxValue, TimeSpan.FromSeconds(5));
isReceived = VerifyTestMessage(events, deviceInfo.Item1, payload, p1Value);
}
sw.Stop();
// Implementation of error injection of throttling on http is that it will throttle the
// fault injection message itself only. The duration of fault has no effect on http throttle.
// Client is supposed to retry sending the throttling fault message until operation timeout.
await deviceClient.SendEventAsync(TestUtil.ComposeErrorInjectionProperties(TestUtil.FaultType_Throttle,
TestUtil.FaultCloseReason_Boom, TestUtil.DefaultDelayInSec, TestUtil.DefaultDurationInSec));
}
finally
{
await deviceClient.CloseAsync();
await eventHubReceiver.CloseAsync();
sequentialTestSemaphore.Release(1);
}
}
/// <summary>
/// Executes the performance test scenario asynchronously.
/// </summary>
///
/// <param name="cancellationToken">The token used to signal when cancellation is requested.</param>
///
public async override Task RunAsync(CancellationToken cancellationToken)
{
// Read the requested number of events.
var remainingEvents = Options.Count;
while ((!cancellationToken.IsCancellationRequested) && (remainingEvents > 0))
{
remainingEvents -= (await _receiver.ReceiveAsync(remainingEvents).ConfigureAwait(false)).Count();
}
// If iteration stopped due to cancellation, ensure that the expected exception is thrown.
cancellationToken.ThrowIfCancellationRequested();
}
public async Task ReceiveAsyncInvokesTheTransportConsumer()
{
var defaultMaximumReceiveWaitTime = TimeSpan.FromMilliseconds(8);
var transportConsumer = new ObservableTransportConsumerMock();
var receiver = new PartitionReceiver("group", "0", "hub", true, defaultMaximumReceiveWaitTime, transportConsumer);
var expectedMessageCount = 45;
using var cancellation = new CancellationTokenSource();
await receiver.ReceiveAsync(expectedMessageCount, null, cancellation.Token);
(var actualMessageCount, TimeSpan? actualWaitTime) = transportConsumer.ReceiveCalledWith;
Assert.That(actualMessageCount, Is.EqualTo(expectedMessageCount), "The message counts should match.");
Assert.That(actualWaitTime, Is.EqualTo(defaultMaximumReceiveWaitTime), "The wait time should match.");
}
public async Task UseITokenProviderWithAad()
{
var appAuthority = "";
var aadAppId = "";
var aadAppSecret = "";
AzureActiveDirectoryTokenProvider.AuthenticationCallback authCallback =
async(audience, authority, state) =>
{
var authContext = new AuthenticationContext(authority);
var cc = new ClientCredential(aadAppId, aadAppSecret);
var authResult = await authContext.AcquireTokenAsync(audience, cc);
return(authResult.AccessToken);
};
var tokenProvider = TokenProvider.CreateAzureActiveDirectoryTokenProvider(authCallback, appAuthority);
// Create new client with updated connection string.
await using (var scope = await EventHubScope.CreateAsync(1))
{
var connectionString = TestUtility.BuildEventHubsConnectionString(scope.EventHubName);
var csb = new EventHubsConnectionStringBuilder(connectionString);
var ehClient = EventHubClient.CreateWithTokenProvider(csb.Endpoint, csb.EntityPath, tokenProvider);
// Send one event
TestUtility.Log($"Sending one message.");
var ehSender = ehClient.CreatePartitionSender("0");
var eventData = new EventData(Encoding.UTF8.GetBytes("Hello EventHub!"));
await ehSender.SendAsync(eventData);
// Receive event.
PartitionReceiver ehReceiver = null;
try
{
TestUtility.Log($"Receiving one message.");
ehReceiver = ehClient.CreateReceiver(PartitionReceiver.DefaultConsumerGroupName, "0", EventPosition.FromStart());
var msg = await ehReceiver.ReceiveAsync(1);
Assert.True(msg != null, "Failed to receive message.");
}
finally
{
await ehReceiver?.CloseAsync();
}
}
}
private static void receive(PartitionReceiver partitionReceiver, string requestId)
{
try
{
while (true)
{
var receiveTask = partitionReceiver.ReceiveAsync(1, TimeSpan.FromSeconds(10));
receiveTask.Wait();
IEnumerable <EventData> receivedEvents = receiveTask.Result;
if (receivedEvents != null)
{
foreach (EventData eventData in receivedEvents)
{
if (eventData != null)
{
if (eventData.Properties != null && eventData.Properties.ContainsKey(COMMAND_REQUEST_ID_PROPERTY_NAME))
{
string payload = Encoding.UTF8.GetString(eventData.Body);
Console.WriteLine("Received an update on the async command:");
Console.WriteLine();
foreach (string propertyKey in eventData.Properties.Keys)
{
Console.WriteLine(" " + propertyKey + ":" + eventData.Properties[propertyKey]);
}
Console.WriteLine();
Console.WriteLine(" " + "Update Payload: ");
Console.WriteLine(" " + payload);
Console.WriteLine();
if (payload.Contains("100%"))
{
Console.WriteLine("Async command has finished, enter any key to finish\n");
}
}
}
}
}
}
}
catch (ThreadInterruptedException e)
{
//Thread was aborted, so allow it to end
partitionReceiver.Close();
}
}
async Task PartitionReceiverReceiveBatch()
{
const int MaxBatchSize = 5;
TestUtility.Log("Receiving Events via PartitionReceiver.ReceiveAsync(BatchSize)");
const string partitionId = "0";
PartitionSender partitionSender = this.EventHubClient.CreatePartitionSender(partitionId);
PartitionReceiver partitionReceiver = this.EventHubClient.CreateReceiver(PartitionReceiver.DefaultConsumerGroupName, partitionId, DateTime.UtcNow.AddMinutes(-10));
try
{
int eventCount = 20;
TestUtility.Log($"Sending {eventCount} events to Partition {partitionId}");
var sendEvents = new List <EventData>(eventCount);
for (int i = 0; i < eventCount; i++)
{
sendEvents.Add(new EventData(Encoding.UTF8.GetBytes($"Hello EventHub! Message {i}")));
}
await partitionSender.SendAsync(sendEvents);
int maxReceivedBatchSize = 0;
while (true)
{
IEnumerable <EventData> partition1Events = await partitionReceiver.ReceiveAsync(MaxBatchSize);
int receivedEventCount = partition1Events != null?partition1Events.Count() : 0;
TestUtility.Log($"Received {receivedEventCount} event(s)");
if (partition1Events == null)
{
break;
}
maxReceivedBatchSize = Math.Max(maxReceivedBatchSize, receivedEventCount);
}
Assert.True(maxReceivedBatchSize == MaxBatchSize, $"A max batch size of {MaxBatchSize} events was not honored! Actual {maxReceivedBatchSize}.");
}
finally
{
await partitionReceiver.CloseAsync();
await partitionSender.CloseAsync();
}
}
private async Task ValidateDisabledBehavior(PartitionReceiver partitionReceiver)
{
Assert.True(partitionReceiver.ReceiverRuntimeMetricEnabled == false, "ReceiverRuntimeMetricEnabled == true");
// Receive a message and validate RuntimeInfo isn't set.
var msg = await partitionReceiver.ReceiveAsync(1);
Assert.True(msg != null, "Failed to receive a message.");
Assert.True(partitionReceiver.RuntimeInfo.LastEnqueuedOffset == null,
$"FAILED partitionReceiver.RuntimeInfo.LastEnqueuedOffset == {partitionReceiver.RuntimeInfo.LastEnqueuedOffset}");
Assert.True(partitionReceiver.RuntimeInfo.LastEnqueuedTimeUtc == DateTime.MinValue,
$"FAILED partitionReceiver.RuntimeInfo.LastEnqueuedTimeUtc == {partitionReceiver.RuntimeInfo.LastEnqueuedTimeUtc}");
Assert.True(partitionReceiver.RuntimeInfo.LastSequenceNumber == -1,
$"FAILED partitionReceiver.RuntimeInfo.LastSequenceNumber == {partitionReceiver.RuntimeInfo.LastSequenceNumber}");
Assert.True(partitionReceiver.RuntimeInfo.RetrievalTime == DateTime.MinValue,
$"FAILED partitionReceiver.RuntimeInfo.RetrievalTime == {partitionReceiver.RuntimeInfo.RetrievalTime}");
}
public async Task PrepareAzureEventHubResource_NewNamespace_NoError()
{
var message = "Hello";
EventHubClient eventHubClient = await _eventHubResource.GetEventHubClientAsync("testEventHub");
await eventHubClient.SendAsync(new EventData(Encoding.UTF8.GetBytes(message)));
PartitionReceiver receiver = await _eventHubResource.GetEventHubReceiverAsync("testEventHub");
IEnumerable <EventData> events = await receiver.ReceiveAsync(1);
EventData eventData = events.FirstOrDefault();
Assert.NotNull(eventData);
var result = Encoding.UTF8.GetString(eventData.Body);
Assert.Equal(message, result);
}
//// This function create a device with x509 cert and send a message to the iothub on the transport specified.
//// It then verifies the message is received at the eventHubClient.
internal async Task SendSingleMessageX509(Client.TransportType transport)
{
TestDevice testDevice = await TestDevice.GetTestDeviceAsync(DevicePrefix, TestDeviceType.X509).ConfigureAwait(false);
PartitionReceiver eventHubReceiver = await CreateEventHubReceiver(testDevice.Id).ConfigureAwait(false);
X509Certificate2 cert = Configuration.IoTHub.GetCertificateWithPrivateKey();
var auth = new DeviceAuthenticationWithX509Certificate(testDevice.Id, cert);
var deviceClient = DeviceClient.Create(testDevice.IoTHubHostName, auth, transport);
try
{
await deviceClient.OpenAsync().ConfigureAwait(false);
string payload;
string p1Value;
Client.Message testMessage = ComposeD2CTestMessage(out payload, out p1Value);
await deviceClient.SendEventAsync(testMessage).ConfigureAwait(false);
bool isReceived = false;
Stopwatch sw = new Stopwatch();
sw.Start();
while (!isReceived && sw.Elapsed.Minutes < 1)
{
var events = await eventHubReceiver.ReceiveAsync(int.MaxValue, TimeSpan.FromSeconds(5)).ConfigureAwait(false);
isReceived = VerifyTestMessage(events, testDevice.Id, payload, p1Value);
}
sw.Stop();
Assert.IsTrue(isReceived, "Message is not received.");
}
finally
{
await deviceClient.CloseAsync().ConfigureAwait(false);
await eventHubReceiver.CloseAsync().ConfigureAwait(false);
_log.WriteLine($"Waiting for fault injection interval to finish {FaultInjection.DefaultDelayInSec}s.");
await Task.Delay(FaultInjection.DefaultDurationInSec * 1000).ConfigureAwait(false);
}
}
// Receives all messages on the given receiver.
async Task <List <EventData> > ReceiveAllMessages(PartitionReceiver receiver)
{
List <EventData> messages = new List <EventData>();
while (true)
{
var receivedEvents = await receiver.ReceiveAsync(100);
if (receivedEvents == null)
{
// There is no more events to receive.
break;
}
messages.AddRange(receivedEvents);
}
return(messages);
}
private static async Task <IReadOnlyList <EventData> > ReceiveAll(PartitionReceiver receiver)
{
var messages = new List <EventData>();
var waitTime = TimeSpan.FromMilliseconds(1000);
while (true)
{
IEnumerable <EventData> received = await receiver.ReceiveAsync(10, waitTime);
if (received == null)
{
break;
}
messages.AddRange(received);
}
return(messages);
}
public async Task UseITokenProviderWithSas()
{
// Generate SAS token provider.
var csb = new EventHubsConnectionStringBuilder(TestUtility.EventHubsConnectionString);
var tokenProvider = TokenProvider.CreateSharedAccessSignatureTokenProvider(csb.SasKeyName, csb.SasKey);
// Create new client with updated connection string.
var ehClient = EventHubClient.CreateWithTokenProvider(csb.Endpoint, csb.EntityPath, tokenProvider);
// Send one event
TestUtility.Log($"Sending one message.");
var ehSender = ehClient.CreatePartitionSender("0");
var eventData = new EventData(Encoding.UTF8.GetBytes("Hello EventHub!"));
await ehSender.SendAsync(eventData);
// Receive event.
PartitionReceiver ehReceiver = null;
try
{
TestUtility.Log($"Receiving one message.");
ehReceiver = ehClient.CreateReceiver(PartitionReceiver.DefaultConsumerGroupName, "0", EventPosition.FromStart());
var msg = await ehReceiver.ReceiveAsync(1);
Assert.True(msg != null, "Failed to receive message.");
}
finally
{
await ehReceiver?.CloseAsync();
}
// Get EH runtime information.
TestUtility.Log($"Getting Event Hub runtime information.");
var ehInfo = await ehClient.GetRuntimeInformationAsync();
Assert.True(ehInfo != null, "Failed to get runtime information.");
// Get EH partition runtime information.
TestUtility.Log($"Getting Event Hub partition '0' runtime information.");
var partitionInfo = await ehClient.GetPartitionRuntimeInformationAsync("0");
Assert.True(ehInfo != null, "Failed to get runtime partition information.");
}
internal async Task SendSingleMessage(Client.TransportType transport)
{
// TODO: Update Jenkins Config
if (Configuration.IoTHub.EventHubString.IsNullOrWhiteSpace())
{
return;
}
Tuple <string, string> deviceInfo = TestUtil.CreateDevice(DevicePrefix, hostName, registryManager);
PartitionReceiver eventHubReceiver = await CreateEventHubReceiver(deviceInfo.Item1);
var deviceClient = DeviceClient.CreateFromConnectionString(deviceInfo.Item2, transport);
try
{
await deviceClient.OpenAsync();
string payload;
string p1Value;
Client.Message testMessage = ComposeD2CTestMessage(out payload, out p1Value);
await deviceClient.SendEventAsync(testMessage);
bool isReceived = false;
Stopwatch sw = new Stopwatch();
sw.Start();
while (!isReceived && sw.Elapsed.Minutes < 1)
{
var events = await eventHubReceiver.ReceiveAsync(int.MaxValue, TimeSpan.FromSeconds(30));
isReceived = VerifyTestMessage(events, deviceInfo.Item1, payload, p1Value);
}
sw.Stop();
Assert.IsTrue(isReceived, "Message is not received.");
}
finally
{
await deviceClient.CloseAsync();
await eventHubReceiver.CloseAsync();
await TestUtil.RemoveDeviceAsync(deviceInfo.Item1, registryManager);
}
}
public async Task UseITokenProviderWithAad()
{
var tenantId = "";
var aadAppId = "";
var aadAppSecret = "";
if (string.IsNullOrEmpty(tenantId))
{
TestUtility.Log($"Skipping test during scheduled runs.");
return;
}
var authContext = new AuthenticationContext($"https://login.windows.net/{tenantId}");
var cc = new ClientCredential(aadAppId, aadAppSecret);
var tokenProvider = TokenProvider.CreateAadTokenProvider(authContext, cc);
// Create new client with updated connection string.
var csb = new EventHubsConnectionStringBuilder(TestUtility.EventHubsConnectionString);
var ehClient = EventHubClient.Create(csb.Endpoint, csb.EntityPath, tokenProvider);
// Send one event
TestUtility.Log($"Sending one message.");
var ehSender = ehClient.CreatePartitionSender("0");
var eventData = new EventData(Encoding.UTF8.GetBytes("Hello EventHub!"));
await ehSender.SendAsync(eventData);
// Receive event.
PartitionReceiver ehReceiver = null;
try
{
TestUtility.Log($"Receiving one message.");
ehReceiver = ehClient.CreateReceiver(PartitionReceiver.DefaultConsumerGroupName, "0", EventPosition.FromStart());
var msg = await ehReceiver.ReceiveAsync(1);
Assert.True(msg != null, "Failed to receive message.");
}
finally
{
await ehReceiver?.CloseAsync();
}
}
public async Task ReadFromSpecificPartition()
{
await using var scope = await EventHubScope.CreateAsync(1);
#region Snippet:EventHubs_Migrate_T1_ReadFromSpecificPartition
#if SNIPPET
var connectionString = "<< CONNECTION STRING FOR THE EVENT HUBS NAMESPACE >>";
var eventHubName = "<< NAME OF THE EVENT HUB >>";
var consumerGroup = "<< NAME OF THE EVENT HUB CONSUMER GROUP >>";
#else
var connectionString = TestUtility.EventHubsConnectionString;
var eventHubName = scope.EventHubName;
var consumerGroup = PartitionReceiver.DefaultConsumerGroupName;
#endif
var builder = new EventHubsConnectionStringBuilder(connectionString);
builder.EntityPath = eventHubName;
EventHubClient client = EventHubClient.CreateFromConnectionString(builder.ToString());
PartitionReceiver receiver = default;
try
{
string firstPartition = (await client.GetRuntimeInformationAsync()).PartitionIds.First();
receiver = client.CreateReceiver(consumerGroup, firstPartition, EventPosition.FromStart());
IEnumerable <EventData> events = await receiver.ReceiveAsync(50);
foreach (var eventData in events)
{
Debug.WriteLine($"Read event of length { eventData.Body.Count } from { firstPartition }");
}
}
finally
{
receiver?.Close();
client.Close();
}
#endregion
}
