public VerificationResult VerifyThat(Event actualEvent, int actualVersion)
{
var sb = new StringBuilder();
if (ShouldBeVersion != Core.Data.ExpectedVersion.Any && actualVersion != ShouldBeVersion)
sb.AppendFormat("- Actual version is wrong. Expected: {0}, actual: {1}.\n", ShouldBeVersion, actualVersion);
if (actualEvent == null)
{
sb.AppendFormat("- Actual event is NULL!\n");
return new VerificationResult(ComparisonStatus.Fail, sb.ToString());
}
if (actualEvent.EventId != Event.EventId)
sb.AppendFormat("- Wrong EventId. Expected: {0}, actual: {1}.\n", Event.EventId, actualEvent.EventId);
if (actualEvent.EventType != Event.EventType)
sb.AppendFormat("- Wrong EventType. Expected: {0}, actual: {1}.\n", Event.EventType, actualEvent.EventType);
if (actualEvent.Data.Length != Event.Data.Length)
sb.AppendFormat("- Wrong length of data. Expected length: {0}, actual length: {1}.\n", Event.Data.Length, actualEvent.Data.Length);
else if (actualEvent.Data.Zip(Event.Data, Tuple.Create).Any(x => x.Item1 != x.Item2))
sb.AppendFormat("- Wrong data.\n");
if (actualEvent.Metadata.Length != Event.Metadata.Length)
sb.AppendFormat("- Wrong length of metadata. Expected length: {0}, actual length: {1}.\n", Event.Metadata.Length, actualEvent.Metadata.Length);
else if (actualEvent.Metadata.Zip(Event.Metadata, Tuple.Create).Any(x => x.Item1 != x.Item2))
sb.AppendFormat("- Wrong metadata.\n");
return new VerificationResult(sb.Length == 0 ? ComparisonStatus.Success : ComparisonStatus.Fail, sb.ToString());
}
public void when_handling_trusted_write_on_internal_service()
{
ManualResetEvent waiter = new ManualResetEvent(false);
ClientMessage.WriteEvents publishedWrite = null;
var evnt = new Event(Guid.NewGuid(), "TestEventType", true, new byte[] { }, new byte[] { });
var write = new TcpClientMessageDto.WriteEvents(
Guid.NewGuid().ToString(),
ExpectedVersion.Any,
new[] { new TcpClientMessageDto.NewEvent(evnt.EventId.ToByteArray(), evnt.EventType, evnt.IsJson ? 1 : 0, 0, evnt.Data, evnt.Metadata) },
false);
var package = new TcpPackage(TcpCommand.WriteEvents, Guid.NewGuid(), write.Serialize());
var dummyConnection = new DummyTcpConnection();
var publisher = InMemoryBus.CreateTest();
publisher.Subscribe(new AdHocHandler<ClientMessage.WriteEvents>(x => {
publishedWrite = x;
waiter.Set();
}));
var tcpConnectionManager = new TcpConnectionManager(
Guid.NewGuid().ToString(), TcpServiceType.Internal, new ClientTcpDispatcher(),
publisher, dummyConnection, publisher, new InternalAuthenticationProvider(new Core.Helpers.IODispatcher(publisher, new NoopEnvelope()), new StubPasswordHashAlgorithm(), 1),
TimeSpan.FromSeconds(10), TimeSpan.FromSeconds(10), (man, err) => { });
tcpConnectionManager.ProcessPackage(package);
if (!waiter.WaitOne(TimeSpan.FromSeconds(5)))
{
throw new Exception("Timed out waiting for events.");
}
Assert.AreEqual(evnt.EventId, publishedWrite.Events.First().EventId, "Expected the published write to be the event that was sent through the tcp connection manager to be the event {0} but got {1}", evnt.EventId, publishedWrite.Events.First().EventId);
}
private void PublishCheckpoint(int state)
{
Log.Debug("publishing checkpoint " + state);
_outstandingWrite = true;
var evnt = new Event(Guid.NewGuid(), "SubscriptionCheckpoint", true, state.ToJson(), null);
_ioDispatcher.WriteEvent(_subscriptionStateStream, _version, evnt, SystemAccount.Principal, WriteStateCompleted);
}
public void Initialize()
{
_checkpointEventToBePublished = null;
_inCheckpointWriteAttempt = 0;
_ioDispatcher.Writer.Cancel(_writeRequestId);
_lastWrittenCheckpointEventNumber = ExpectedVersion.Invalid;
}
public Event Create(int version)
{
var accountObject = BankAccountEventFactory.CreateAccountObject(version);
var serializedObject = Codec.Json.To(accountObject);
var @event = new Event(Guid.NewGuid(), accountObject.GetType().FullName, false, Encoding.UTF8.GetBytes(serializedObject), new byte[0]);
return @event;
}
public Event Create(int version)
{
var accountObject = BankAccountEventFactory.CreateAccountObject(version);
var serializedObject = Codec.Json.To(accountObject);
var @event = new Event(Guid.NewGuid(), accountObject.GetType().Name, true, Helper.UTF8NoBom.GetBytes(serializedObject), new byte[0]);
return @event;
}
public void BeginParkMessage(ResolvedEvent ev,string reason, Action<ResolvedEvent, OperationResult> completed)
{
var metadata = new ParkedMessageMetadata {Added = DateTime.Now, Reason = reason, SubscriptionEventNumber = ev.OriginalEventNumber};
string data = GetLinkToFor(ev);
var parkedEvent = new Event(Guid.NewGuid(), SystemEventTypes.LinkTo, false, data, metadata.ToJson());
_ioDispatcher.WriteEvent(_parkedStreamId, ExpectedVersion.Any, parkedEvent, SystemAccount.Principal, x => WriteStateCompleted(completed, ev, x));
}
public VerificationEvent Next()
{
var expected = _expected == -1 ? _expected : _expected + 1;
var shouldBe = _shouldBe;
_expected++;
_shouldBe++;
var evnt = new Event(Guid.NewGuid(), "TEST", false, Encoding.UTF8.GetBytes(string.Format("TEST-DATA exp: {0}. shd: {1}.", expected, shouldBe)), Encoding.UTF8.GetBytes(string.Format("TEST-METADATA exp: {0}. shd: {1}.", expected, shouldBe)));
return new VerificationEvent(evnt, StreamId, expected, shouldBe);
}
public WritePrepares(Guid correlationId, IEnvelope envelope, string eventStreamId, int expectedVersion,
Event[] events, DateTime liveUntil)
{
CorrelationId = correlationId;
Envelope = envelope;
EventStreamId = eventStreamId;
ExpectedVersion = expectedVersion;
Events = events;
LiveUntil = liveUntil;
}
protected override void BeginWriteCheckpoint(
CheckpointTag requestedCheckpointPosition, string requestedCheckpointState)
{
_requestedCheckpointPosition = requestedCheckpointPosition;
_inCheckpointWriteAttempt = 1;
//TODO: pass correct expected version
_checkpointEventToBePublished = new Event(
Guid.NewGuid(), "ProjectionCheckpoint", true,
requestedCheckpointState == null ? null : Encoding.UTF8.GetBytes(requestedCheckpointState),
requestedCheckpointPosition.ToJsonBytes());
PublishWriteCheckpointEvent();
}
public void BeginWriteCheckpoint(IEnvelope envelope,
CheckpointTag requestedCheckpointPosition, string requestedCheckpointState)
{
_envelope = envelope;
_requestedCheckpointPosition = requestedCheckpointPosition;
_inCheckpointWriteAttempt = 1;
//TODO: pass correct expected version
_checkpointEventToBePublished = new Event(
Guid.NewGuid(), ProjectionNamesBuilder.EventType_ProjectionCheckpoint, true,
requestedCheckpointState == null ? null : Helper.UTF8NoBom.GetBytes(requestedCheckpointState),
requestedCheckpointPosition.ToJsonBytes(projectionVersion: _projectionVersion));
PublishWriteStreamMetadataAndCheckpointEvent();
}
public VerificationEvent(Event @event,
string eventStreamId,
int expectedVersion,
int shouldBeVersion)
{
Ensure.NotNull(@event, "event");
Ensure.NotNullOrEmpty(eventStreamId, "eventStreamId");
Event = @event;
EventStreamId = eventStreamId;
ExpectedVersion = expectedVersion;
ShouldBeVersion = shouldBeVersion;
}
public WritePrepares(Guid correlationId, IEnvelope envelope, string eventStreamId, int expectedVersion, Event[] events, DateTime liveUntil)
{
Ensure.NotEmptyGuid(correlationId, "correlationId");
Ensure.NotNull(envelope, "envelope");
Ensure.NotNull(eventStreamId, "eventStreamId");
Ensure.NotNull(events, "events");
CorrelationId = correlationId;
Envelope = envelope;
EventStreamId = eventStreamId;
ExpectedVersion = expectedVersion;
Events = events;
LiveUntil = liveUntil;
}
private void OnWriteComplete(ClientMessage.WriteEventsCompleted completed, Event evnt, string streamId, int retryCount)
{
if (completed.Result != OperationResult.Success)
{
if (retryCount > 0)
{
Log.Error("PROJECTIONS: Failed to write a tracked stream id of {0} to the {1} stream. Retrying {2}/{3}. Reason: {4}", streamId, _projectionNamesBuilder.GetEmittedStreamsName(), (MaxRetryCount - retryCount) + 1, MaxRetryCount, completed.Result);
WriteEvent(evnt, retryCount - 1);
}
else
{
Log.Error("PROJECTIONS: Failed to write a tracked stream id of {0} to the {1} stream. Retry limit of {2} reached. Reason: {3}", streamId, _projectionNamesBuilder.GetEmittedStreamsName(), MaxRetryCount, completed.Result);
}
}
}
//NOTE: committed event with null event _data means - end of the source reached.
// Current last available TF commit position is in _position.CommitPosition
// TODO: separate message?
public CommittedEventDistributed(
Guid correlationId, EventPosition position, string positionStreamId, int positionSequenceNumber,
string eventStreamId, int eventSequenceNumber, bool resolvedLinkTo, Event data,
long? safeTransactionFileReaderJoinPosition, float progress)
{
_correlationId = correlationId;
_data = data;
_safeTransactionFileReaderJoinPosition = safeTransactionFileReaderJoinPosition;
_progress = progress;
_position = position;
_positionStreamId = positionStreamId;
_positionSequenceNumber = positionSequenceNumber;
_eventStreamId = eventStreamId;
_eventSequenceNumber = eventSequenceNumber;
_resolvedLinkTo = resolvedLinkTo;
}
public void TrackEmittedStream(EmittedEvent[] emittedEvents)
{
if (!_projectionConfig.TrackEmittedStreams) return;
foreach (var emittedEvent in emittedEvents)
{
string streamId;
if (!_streamIdCache.TryGetRecord(emittedEvent.StreamId, out streamId))
{
var trackEvent = new Event(Guid.NewGuid(), ProjectionEventTypes.StreamTracked, false, Helper.UTF8NoBom.GetBytes(emittedEvent.StreamId), null);
lock (_locker)
{
_streamIdCache.PutRecord(emittedEvent.StreamId, emittedEvent.StreamId, false);
}
WriteEvent(trackEvent, MaxRetryCount);
}
}
}
private Task NextForStream(string stream)
{
var expected = _currentExpected == -1 ? _currentExpected : _currentExpected + 1;
var shouldBe = _currentShouldBe;
_currentExpected++;
_currentShouldBe++;
var evnt = new Event(
Guid.NewGuid(),
"TEST",
false,
Encoding.UTF8.GetBytes(string.Format("TEST-DATA exp: {0}. shd: {1}.", expected, shouldBe)),
Encoding.UTF8.GetBytes(string.Format("TEST-METADATA exp: {0}. shd: {1}.", expected, shouldBe)));
return new WriteTask(new VerificationEvent(evnt, stream, expected, shouldBe));
}
public Task Next()
{
var expected = _expected == -1 ? _expected : _expected + 1;
var shouldBe = _shouldBe;
_expected++;
_shouldBe++;
var accountObject = BankAccountEventFactory.CreateAccountObject(shouldBe);
var metadata = new Dictionary<string, string> {{"Source", "National Bank"}};
var serializedObject = Codec.Json.To(accountObject);
var serializedMetadata = Codec.Json.To(metadata);
var @event = new Event(Guid.NewGuid(), accountObject.GetType().FullName, false, Encoding.UTF8.GetBytes(serializedObject), Encoding.UTF8.GetBytes(serializedMetadata));
var verificationEvent = new VerificationEvent(@event, "AdvBankAccount", expected, shouldBe);
return new WriteTask(verificationEvent);
}
public TransactionWriteRequestCreated(Guid correlationId, IEnvelope envelope, long transactionId, string eventStreamId, Event[] events)
{
Ensure.NotEmptyGuid(correlationId, "correlationId");
Ensure.NotNull(envelope, "envelope");
Ensure.Nonnegative(transactionId, "transactionId");
Ensure.NotNull(eventStreamId, "eventStreamId");
Ensure.NotNull(events, "events");
CorrelationId = correlationId;
Envelope = envelope;
TransactionId = transactionId;
EventStreamId = eventStreamId;
Events = events;
}
public WriteTransactionData(Guid correlationId, IEnvelope envelope, long transactionId, Event[] events)
{
CorrelationId = correlationId;
Envelope = envelope;
TransactionId = transactionId;
Events = events;
}
private static Event[] Parse(HttpClientMessageDto.ClientEventDynamic[] dynamicEvents)
{
var events = new Event[dynamicEvents.Length];
for (int i = 0, n = dynamicEvents.Length; i < n; ++i)
{
var textEvent = dynamicEvents[i];
bool dataIsJson;
bool metadataIsJson;
var data = AsBytes(textEvent.Data, out dataIsJson);
var metadata = AsBytes(textEvent.Metadata, out metadataIsJson);
events[i] = new Event(textEvent.EventId, textEvent.EventType, dataIsJson || metadataIsJson, data, metadata);
}
return events.ToArray();
}
public TransactionWrite(Guid internalCorrId, Guid correlationId, IEnvelope envelope, bool requireMaster,
long transactionId, Event[] events,
IPrincipal user, string login = null, string password = null)
: base(internalCorrId, correlationId, envelope, requireMaster, user, login, password)
{
Ensure.Nonnegative(transactionId, "transactionId");
Ensure.NotNull(events, "events");
TransactionId = transactionId;
Events = events;
}
public WriteEvents(Guid internalCorrId, Guid correlationId, IEnvelope envelope, bool requireMaster,
string eventStreamId, int expectedVersion, Event @event,
IPrincipal user, string login = null, string password = null)
: this(internalCorrId, correlationId, envelope, requireMaster, eventStreamId, expectedVersion,
@event == null ? null : new[] { @event }, user, login, password)
{
}
public WriteEvents(Guid internalCorrId, Guid correlationId, IEnvelope envelope, bool requireMaster,
string eventStreamId, int expectedVersion, Event[] events,
IPrincipal user, string login = null, string password = null)
: base(internalCorrId, correlationId, envelope, requireMaster, user, login, password)
{
Ensure.NotNullOrEmpty(eventStreamId, "eventStreamId");
if (expectedVersion < Data.ExpectedVersion.Any) throw new ArgumentOutOfRangeException("expectedVersion");
Ensure.NotNull(events, "events");
EventStreamId = eventStreamId;
ExpectedVersion = expectedVersion;
Events = events;
}
public override void Initialize()
{
base.Initialize();
_writeDispatcher.Cancel(_writeRequestId);
_readDispatcher.Cancel(_readRequestId);
foreach (var requestId in _loadStateRequests)
_readDispatcher.Cancel(requestId);
_loadStateRequests.Clear();
_inCheckpointWriteAttempt = 0;
_lastWrittenCheckpointEventNumber = 0;
_nextStateIndexToRequest = 0;
_checkpointEventToBePublished = null;
_requestedCheckpointPosition = null;
_readRequestsInProgress = 0;
}
public void BeginParkMessage(ResolvedEvent @event,string reason, Action<ResolvedEvent, OperationResult> completed)
{
var metadata = new ParkedMessageMetadata() {Added = DateTime.Now, Reason = reason};
var evnt = new Event(Guid.NewGuid(), SystemEventTypes.LinkTo, false, GetLinkToFor(@event), metadata.ToJson());
_ioDispatcher.WriteEvent(_parkedStreamId, ExpectedVersion.Any, evnt, SystemAccount.Principal, x => WriteStateCompleted(completed, @event, x));
}
public WriteRequestCreated(Guid correlationId,
IEnvelope envelope,
string eventStreamId,
int expectedVersion,
Event[] events)
{
Ensure.NotEmptyGuid(correlationId, "correlationId");
Ensure.NotNull(envelope, "envelope");
Ensure.NotNullOrEmpty(eventStreamId, "eventStreamId");
Ensure.NotNull(events, "events");
CorrelationId = correlationId;
Envelope = envelope;
EventStreamId = eventStreamId;
ExpectedVersion = expectedVersion;
Events = events;
}
private static Event[] LoadRaw(string data, bool isJson, Guid includedId, string includedType) {
var ret = new Event[1];
ret[0] = new Event(includedId, includedType, isJson, data, null);
return ret;
}
private static Event[] LoadRaw(byte[] data, Guid includedId, string includedType)
{
var ret = new Event[1];
ret[0] = new Event(includedId, includedType, false, data, null);
return ret;
}
private static ClientMessage.WriteEvents UnwrapWriteEvents(TcpPackage package, IEnvelope envelope,
IPrincipal user, string login, string password)
{
var dto = package.Data.Deserialize<TcpClientMessageDto.WriteEvents>();
if (dto == null) return null;
var events = new Event[dto.Events == null ? 0 : dto.Events.Length];
for (int i = 0; i < events.Length; ++i)
{
// ReSharper disable PossibleNullReferenceException
var e = dto.Events[i];
// ReSharper restore PossibleNullReferenceException
events[i] = new Event(new Guid(e.EventId), e.EventType, e.DataContentType == 1, e.Data, e.Metadata);
}
return new ClientMessage.WriteEvents(Guid.NewGuid(), package.CorrelationId, envelope, dto.RequireMaster,
dto.EventStreamId, dto.ExpectedVersion, events, user, login, password);
}