public void Setup()
{
ImageOneMock = A.Fake <Image>();
ImageTwoMock = A.Fake <Image>();
A.CallTo(() => ImageOneMock.CorrelationId).Returns(1);
A.CallTo(() => ImageTwoMock.CorrelationId).Returns(2);
AtomicReadBuffer = new UnsafeBuffer(new byte[READ_BUFFER_CAPACITY]);
Conductor = A.Fake <ClientConductor>();
FragmentHandler = A.Fake <IFragmentHandler>();
Header = A.Fake <Header>();
AvailableImageHandler = A.Fake <AvailableImageHandler>();
UnavailableImageHandler = A.Fake <UnavailableImageHandler>();
A.CallTo(() => Header.Flags).Returns(FLAGS);
Subscription = new Subscription(
Conductor,
CHANNEL,
STREAM_ID_1,
SUBSCRIPTION_CORRELATION_ID,
AvailableImageHandler,
UnavailableImageHandler);
A.CallTo(() => Conductor.ReleaseSubscription(Subscription)).Invokes(() => Subscription.InternalClose());
}
internal ClientConductor(Aeron.Context ctx)
{
_ctx = ctx;
_clientLock = ctx.ClientLock();
_epochClock = ctx.EpochClock();
_nanoClock = ctx.NanoClock();
_driverProxy = ctx.DriverProxy();
_logBuffersFactory = ctx.LogBuffersFactory();
_keepAliveIntervalNs = ctx.KeepAliveInterval();
_driverTimeoutMs = ctx.DriverTimeoutMs();
_driverTimeoutNs = _driverTimeoutMs * 1000000;
_interServiceTimeoutNs = ctx.InterServiceTimeout();
_defaultAvailableImageHandler = ctx.AvailableImageHandler();
_defaultUnavailableImageHandler = ctx.UnavailableImageHandler();
_availableCounterHandler = ctx.AvailableCounterHandler();
_unavailableCounterHandler = ctx.UnavailableCounterHandler();
_driverEventsAdapter = new DriverEventsAdapter(ctx.ToClientBuffer(), this);
_counterValuesBuffer = ctx.CountersValuesBuffer();
_countersReader =
new CountersReader(ctx.CountersMetaDataBuffer(), ctx.CountersValuesBuffer(), Encoding.ASCII);
long nowNs = _nanoClock.NanoTime();
_timeOfLastKeepAliveNs = nowNs;
_timeOfLastResourcesCheckNs = nowNs;
_timeOfLastServiceNs = nowNs;
}
internal ClientConductor(Aeron.Context ctx)
{
_clientLock = ctx.ClientLock();
_epochClock = ctx.EpochClock();
_nanoClock = ctx.NanoClock();
_errorHandler = ctx.ErrorHandler();
_counterValuesBuffer = ctx.CountersValuesBuffer();
_driverProxy = ctx.DriverProxy();
_logBuffersFactory = ctx.LogBuffersFactory();
_imageMapMode = ctx.ImageMapMode();
_keepAliveIntervalNs = ctx.KeepAliveInterval();
_driverTimeoutMs = ctx.DriverTimeoutMs();
_driverTimeoutNs = _driverTimeoutMs * 1000000;
_interServiceTimeoutNs = ctx.InterServiceTimeout();
_publicationConnectionTimeoutMs = ctx.PublicationConnectionTimeout();
_defaultAvailableImageHandler = ctx.AvailableImageHandler();
_defaultUnavailableImageHandler = ctx.UnavailableImageHandler();
_driverEventsAdapter = new DriverEventsAdapter(ctx.ToClientBuffer(), this);
long nowNs = _nanoClock.NanoTime();
_timeOfLastKeepAliveNs = nowNs;
_timeOfLastResourcesCheckNs = nowNs;
_timeOfLastServiceNs = nowNs;
}
public void OnUnavailableImage(long correlationId, long subscriptionRegistrationId, int streamId)
{
Subscription subscription = (Subscription)_resourceByRegIdMap[subscriptionRegistrationId];
if (null != subscription)
{
Image image = subscription.RemoveImage(correlationId);
if (null != image)
{
UnavailableImageHandler handler = subscription.UnavailableImageHandler();
if (null != handler)
{
_isInCallback = true;
try
{
handler(image);
}
catch (Exception ex)
{
HandleError(ex);
}
finally
{
_isInCallback = false;
}
}
}
}
}
internal ClientConductor(
IEpochClock epochClock,
INanoClock nanoClock,
CopyBroadcastReceiver broadcastReceiver,
ILogBuffersFactory logBuffersFactory,
UnsafeBuffer counterValuesBuffer,
DriverProxy driverProxy,
ErrorHandler errorHandler,
AvailableImageHandler availableImageHandler,
UnavailableImageHandler unavailableImageHandler,
long keepAliveIntervalNs,
long driverTimeoutMs,
long interServiceTimeoutNs,
long publicationConnectionTimeoutMs)
{
_epochClock = epochClock;
_nanoClock = nanoClock;
_timeOfLastKeepalive = nanoClock.NanoTime();
_timeOfLastCheckResources = nanoClock.NanoTime();
_timeOfLastWork = nanoClock.NanoTime();
_errorHandler = errorHandler;
_counterValuesBuffer = counterValuesBuffer;
_driverProxy = driverProxy;
_logBuffersFactory = logBuffersFactory;
_availableImageHandler = availableImageHandler;
_unavailableImageHandler = unavailableImageHandler;
_keepAliveIntervalNs = keepAliveIntervalNs;
_driverTimeoutMs = driverTimeoutMs;
_driverTimeoutNs = NanoUtil.FromMilliseconds(driverTimeoutMs);
_interServiceTimeoutNs = interServiceTimeoutNs;
_publicationConnectionTimeoutMs = publicationConnectionTimeoutMs;
_driverListener = new DriverListenerAdapter(broadcastReceiver, this);
}
internal void CloseImages(Image[] images, UnavailableImageHandler unavailableImageHandler)
{
foreach (var image in images)
{
image.Close();
ReleaseLogBuffers(image.LogBuffers, image.CorrelationId);
}
if (null != unavailableImageHandler)
{
foreach (var image in images)
{
_isInCallback = true;
try
{
unavailableImageHandler(image);
}
catch (Exception ex)
{
HandleError(ex);
}
finally
{
_isInCallback = false;
}
}
}
}
internal Subscription(
ClientConductor conductor,
string channel,
int streamId,
long registrationId,
AvailableImageHandler availableImageHandler,
UnavailableImageHandler unavailableImageHandler)
{
_fields = new SubscriptionFields(registrationId, streamId, conductor, channel, availableImageHandler, unavailableImageHandler);
}
private void NotifyImageUnavailable(UnavailableImageHandler handler, Image image)
{
_isInCallback = true;
try
{
handler(image);
}
catch (Exception ex)
{
HandleError(ex);
}
finally
{
_isInCallback = false;
}
}
internal void CloseImages(Image[] images, UnavailableImageHandler unavailableImageHandler)
{
foreach (var image in images)
{
image.Close();
ReleaseLogBuffers(image.LogBuffers, image.CorrelationId);
}
if (null != unavailableImageHandler)
{
foreach (var image in images)
{
NotifyImageUnavailable(unavailableImageHandler, image);
}
}
}
public void OnUnavailableImage(long correlationId, long subscriptionRegistrationId)
{
Subscription subscription = (Subscription)_resourceByRegIdMap[subscriptionRegistrationId];
if (null != subscription)
{
Image image = subscription.RemoveImage(correlationId);
if (null != image)
{
UnavailableImageHandler handler = subscription.UnavailableImageHandler;
if (null != handler)
{
NotifyImageUnavailable(handler, image);
}
}
}
}
internal ClientConductor(Aeron.Context ctx, Aeron aeron)
{
_ctx = ctx;
_aeron = aeron;
_clientLock = ctx.ClientLock();
_epochClock = ctx.EpochClock();
_nanoClock = ctx.NanoClock();
_awaitingIdleStrategy = ctx.AwaitingIdleStrategy();
_driverProxy = ctx.DriverProxy();
_logBuffersFactory = ctx.LogBuffersFactory();
_keepAliveIntervalNs = ctx.KeepAliveIntervalNs();
_driverTimeoutMs = ctx.DriverTimeoutMs();
_driverTimeoutNs = _driverTimeoutMs * 1000000;
_interServiceTimeoutNs = ctx.InterServiceTimeoutNs();
_defaultAvailableImageHandler = ctx.AvailableImageHandler();
_defaultUnavailableImageHandler = ctx.UnavailableImageHandler();
_driverEventsAdapter =
new DriverEventsAdapter(ctx.ToClientBuffer(), ctx.ClientId(), this, _asyncCommandIdSet);
_driverAgentInvoker = ctx.DriverAgentInvoker();
_counterValuesBuffer = ctx.CountersValuesBuffer();
_countersReader =
new CountersReader(ctx.CountersMetaDataBuffer(), ctx.CountersValuesBuffer(), Encoding.ASCII);
if (null != ctx.AvailableCounterHandler())
{
_availableCounterHandlers.Add(ctx.AvailableCounterHandler());
}
if (null != ctx.UnavailableCounterHandler())
{
_unavailableCounterHandlers.Add(ctx.UnavailableCounterHandler());
}
if (null != ctx.CloseHandler())
{
_closeHandlers.Add(ctx.CloseHandler());
}
long nowNs = _nanoClock.NanoTime();
_timeOfLastKeepAliveNs = nowNs;
_timeOfLastServiceNs = nowNs;
}
internal SubscriptionFields(
long registrationId,
int streamId,
ClientConductor clientConductor,
string channel,
AvailableImageHandler availableImageHandler,
UnavailableImageHandler unavailableImageHandler)
{
_padding1 = new CacheLinePadding();
_padding2 = new CacheLinePadding();
this.registrationId = registrationId;
this.streamId = streamId;
this.clientConductor = clientConductor;
this.channel = channel;
this.availableImageHandler = availableImageHandler;
this.unavailableImageHandler = unavailableImageHandler;
roundRobinIndex = 0;
isClosed = false;
images = EMPTY_ARRAY;
}
public void OnUnavailableImage(int streamId, long correlationId)
{
_activeSubscriptions.ForEach(streamId, (subscription) =>
{
Image image = subscription.RemoveImage(correlationId);
if (null != image)
{
try
{
UnavailableImageHandler handler = subscription.UnavailableImageHandler();
if (null != handler)
{
handler(image);
}
}
catch (Exception ex)
{
_errorHandler(ex);
}
}
});
}
internal Subscription AddSubscription(string channel, int streamId, AvailableImageHandler availableImageHandler,
UnavailableImageHandler unavailableImageHandler)
{
_clientLock.Lock();
try
{
EnsureActive();
EnsureNotReentrant();
long correlationId = _driverProxy.AddSubscription(channel, streamId);
Subscription subscription = new Subscription(this, channel, streamId, correlationId,
availableImageHandler, unavailableImageHandler);
_resourceByRegIdMap[correlationId] = subscription;
AwaitResponse(correlationId);
return(subscription);
}
finally
{
_clientLock.Unlock();
}
}
/// <summary>
/// Set up a callback for when an <seealso cref="Image"/> is unavailable.
/// </summary>
/// <param name="handler"> Callback method for handling unavailable image notifications. </param>
/// <returns> this Aeron.Context for method chaining. </returns>
public Context UnavailableImageHandler(UnavailableImageHandler handler)
{
_unavailableImageHandler = handler;
return(this);
}
/// <summary>
/// This is called automatically by <seealso cref="Connect()"/> and its overloads.
/// There is no need to call it from a client application. It is responsible for providing default
/// values for options that are not individually changed through field setters.
/// </summary>
/// <returns> this Aeron.Context for method chaining. </returns>
public Context Conclude()
{
_cncFile = new FileInfo(Path.Combine(_aeronDirectoryName, CncFileDescriptor.CNC_FILE));
if (_epochClock == null)
{
_epochClock = new SystemEpochClock();
}
if (_nanoClock == null)
{
_nanoClock = new SystemNanoClock();
}
if (_idleStrategy == null)
{
_idleStrategy = new SleepingIdleStrategy(IdleSleepMs);
}
if (CncFile() != null)
{
ConnectToDriver();
}
if (_toClientBuffer == null)
{
var receiver =
new BroadcastReceiver(CncFileDescriptor.CreateToClientsBuffer(_cncByteBuffer,
_cncMetaDataBuffer));
_toClientBuffer = new CopyBroadcastReceiver(receiver);
}
if (_toDriverBuffer == null)
{
_toDriverBuffer =
new ManyToOneRingBuffer(CncFileDescriptor.CreateToDriverBuffer(_cncByteBuffer,
_cncMetaDataBuffer));
}
if (CountersMetaDataBuffer() == null)
{
CountersMetaDataBuffer(CncFileDescriptor.CreateCountersMetaDataBuffer(_cncByteBuffer,
_cncMetaDataBuffer));
}
if (CountersValuesBuffer() == null)
{
CountersValuesBuffer(CncFileDescriptor.CreateCountersValuesBuffer(_cncByteBuffer,
_cncMetaDataBuffer));
}
_interServiceTimeout = CncFileDescriptor.ClientLivenessTimeout(_cncMetaDataBuffer);
if (_logBuffersFactory == null)
{
_logBuffersFactory = new MappedLogBuffersFactory();
}
if (_errorHandler == null)
{
_errorHandler = DEFAULT_ERROR_HANDLER;
}
if (_availableImageHandler == null)
{
_availableImageHandler = image => { };
}
if (_unavailableImageHandler == null)
{
_unavailableImageHandler = image => { };
}
return(this);
}
internal Subscription AddSubscription(string channel, int streamId, AvailableImageHandler availableImageHandler, UnavailableImageHandler unavailableImageHandler)
{
if (_isClosed)
{
throw new InvalidOperationException("Aeron client is closed");
}
long correlationId = _driverProxy.AddSubscription(channel, streamId);
Subscription subscription = new Subscription(this, channel, streamId, correlationId, availableImageHandler, unavailableImageHandler);
_activeSubscriptions.Add(subscription);
AwaitResponse(correlationId, channel);
return(subscription);
}
public void SetUp()
{
MockClientErrorHandler = A.Fake <ErrorHandler>(options => options.Wrapping(throwable =>
{
if (!SuppressPrintError)
{
Console.WriteLine(throwable.ToString());
Console.Write(throwable.StackTrace);
}
}));
PublicationReady = new PublicationBuffersReadyFlyweight();
SubscriptionReady = new SubscriptionReadyFlyweight();
OperationSuccess = new OperationSucceededFlyweight();
ErrorResponse = new ErrorResponseFlyweight();
ClientTimeout = new ClientTimeoutFlyweight();
PublicationReadyBuffer = new UnsafeBuffer(new byte[SEND_BUFFER_CAPACITY]);
SubscriptionReadyBuffer = new UnsafeBuffer(new byte[SEND_BUFFER_CAPACITY]);
OperationSuccessBuffer = new UnsafeBuffer(new byte[SEND_BUFFER_CAPACITY]);
ErrorMessageBuffer = new UnsafeBuffer(new byte[SEND_BUFFER_CAPACITY]);
ClientTimeoutBuffer = new UnsafeBuffer(new byte[SEND_BUFFER_CAPACITY]);
CounterValuesBuffer = new UnsafeBuffer(new byte[COUNTER_BUFFER_LENGTH]);
MockToClientReceiver = A.Fake <CopyBroadcastReceiver>();
MockAvailableImageHandler = A.Fake <AvailableImageHandler>();
MockUnavailableImageHandler = A.Fake <UnavailableImageHandler>();
MockCloseHandler = A.Fake <Action>();
LogBuffersFactory = A.Fake <ILogBuffersFactory>();
DriverProxy = A.Fake <DriverProxy>();
MockAeron = A.Fake <Aeron>();
A.CallTo(() => mockClientLock.TryLock()).Returns(true);
A.CallTo(() => DriverProxy.AddPublication(CHANNEL, STREAM_ID_1)).Returns(CORRELATION_ID);
A.CallTo(() => DriverProxy.AddPublication(CHANNEL, STREAM_ID_2)).Returns(CORRELATION_ID_2);
A.CallTo(() => DriverProxy.RemovePublication(CORRELATION_ID)).Returns(CLOSE_CORRELATION_ID);
A.CallTo(() => DriverProxy.AddSubscription(A <string> ._, A <int> ._)).Returns(CORRELATION_ID);
A.CallTo(() => DriverProxy.RemoveSubscription(CORRELATION_ID)).Returns(CLOSE_CORRELATION_ID);
Aeron.Context ctx = new Aeron.Context()
.ClientLock(mockClientLock)
.EpochClock(EpochClock)
.NanoClock(NanoClock)
.ToClientBuffer(MockToClientReceiver)
.DriverProxy(DriverProxy)
.LogBuffersFactory(LogBuffersFactory)
.ErrorHandler(MockClientErrorHandler)
.AvailableImageHandler(MockAvailableImageHandler)
.UnavailableImageHandler(MockUnavailableImageHandler)
.CloseHandler(MockCloseHandler)
.KeepAliveIntervalNs(KEEP_ALIVE_INTERVAL)
.DriverTimeoutMs(AWAIT_TIMEOUT)
.InterServiceTimeoutNs(INTER_SERVICE_TIMEOUT_MS * 1000000)
.CountersValuesBuffer(CounterValuesBuffer);
Conductor = new ClientConductor(ctx, MockAeron);
PublicationReady.Wrap(PublicationReadyBuffer, 0);
SubscriptionReady.Wrap(SubscriptionReadyBuffer, 0);
OperationSuccess.Wrap(OperationSuccessBuffer, 0);
ErrorResponse.Wrap(ErrorMessageBuffer, 0);
ClientTimeout.Wrap(ClientTimeoutBuffer, 0);
PublicationReady.CorrelationId(CORRELATION_ID);
PublicationReady.RegistrationId(CORRELATION_ID);
PublicationReady.SessionId(SESSION_ID_1);
PublicationReady.StreamId(STREAM_ID_1);
PublicationReady.LogFileName(SESSION_ID_1 + "-log");
OperationSuccess.CorrelationId(CLOSE_CORRELATION_ID);
var termBuffersSession1 = new UnsafeBuffer[LogBufferDescriptor.PARTITION_COUNT];
var termBuffersSession2 = new UnsafeBuffer[LogBufferDescriptor.PARTITION_COUNT];
for (var i = 0; i < LogBufferDescriptor.PARTITION_COUNT; i++)
{
termBuffersSession1[i] = new UnsafeBuffer(new byte[TERM_BUFFER_LENGTH]);
termBuffersSession2[i] = new UnsafeBuffer(new byte[TERM_BUFFER_LENGTH]);
}
UnsafeBuffer logMetaDataSession1 = new UnsafeBuffer(new byte[TERM_BUFFER_LENGTH]);
UnsafeBuffer logMetaDataSession2 = new UnsafeBuffer(new byte[TERM_BUFFER_LENGTH]);
IMutableDirectBuffer header1 = DataHeaderFlyweight.CreateDefaultHeader(SESSION_ID_1, STREAM_ID_1, 0);
IMutableDirectBuffer header2 = DataHeaderFlyweight.CreateDefaultHeader(SESSION_ID_2, STREAM_ID_2, 0);
LogBufferDescriptor.StoreDefaultFrameHeader(logMetaDataSession1, header1);
LogBufferDescriptor.StoreDefaultFrameHeader(logMetaDataSession2, header2);
var logBuffersSession1 = A.Fake <LogBuffers>();
var logBuffersSession2 = A.Fake <LogBuffers>();
A.CallTo(() => LogBuffersFactory.Map(SESSION_ID_1 + "-log")).Returns(logBuffersSession1);
A.CallTo(() => LogBuffersFactory.Map(SESSION_ID_2 + "-log")).Returns(logBuffersSession2);
A.CallTo(() => logBuffersSession1.DuplicateTermBuffers()).Returns(termBuffersSession1);
A.CallTo(() => logBuffersSession2.DuplicateTermBuffers()).Returns(termBuffersSession2);
A.CallTo(() => logBuffersSession1.MetaDataBuffer()).Returns(logMetaDataSession1);
A.CallTo(() => logBuffersSession2.MetaDataBuffer()).Returns(logMetaDataSession2);
A.CallTo(() => logBuffersSession1.TermLength()).Returns(TERM_BUFFER_LENGTH);
A.CallTo(() => logBuffersSession2.TermLength()).Returns(TERM_BUFFER_LENGTH);
}
/// <summary>
/// This is called automatically by <seealso cref="Connect()"/> and its overloads.
/// There is no need to call it from a client application. It is responsible for providing default
/// values for options that are not individually changed through field setters.
/// </summary>
/// <returns> this Aeron.Context for method chaining. </returns>
public Context Conclude()
{
try
{
_cncFile = new FileInfo(Path.Combine(_aeronDirectoryName, CncFileDescriptor.CNC_FILE));
if (_epochClock == null)
{
_epochClock = new SystemEpochClock();
}
if (_nanoClock == null)
{
_nanoClock = new SystemNanoClock();
}
if (_idleStrategy == null)
{
_idleStrategy = new SleepingIdleStrategy(IdleSleepMs);
}
if (CncFile() != null)
{
_cncByteBuffer = IoUtil.MapExistingFile(CncFile().FullName);
_cncMetaDataBuffer = CncFileDescriptor.CreateMetaDataBuffer(_cncByteBuffer);
var cncVersion = _cncMetaDataBuffer.GetInt(CncFileDescriptor.CncVersionOffset(0));
if (CncFileDescriptor.CNC_VERSION != cncVersion)
{
throw new InvalidOperationException(
"aeron cnc file version not understood: version=" + cncVersion);
}
}
if (_toClientBuffer == null)
{
var receiver =
new BroadcastReceiver(CncFileDescriptor.CreateToClientsBuffer(_cncByteBuffer,
_cncMetaDataBuffer));
_toClientBuffer = new CopyBroadcastReceiver(receiver);
}
if (_toDriverBuffer == null)
{
_toDriverBuffer =
new ManyToOneRingBuffer(CncFileDescriptor.CreateToDriverBuffer(_cncByteBuffer,
_cncMetaDataBuffer));
}
if (CountersMetaDataBuffer() == null)
{
CountersMetaDataBuffer(CncFileDescriptor.CreateCountersMetaDataBuffer(_cncByteBuffer,
_cncMetaDataBuffer));
}
if (CountersValuesBuffer() == null)
{
CountersValuesBuffer(CncFileDescriptor.CreateCountersValuesBuffer(_cncByteBuffer,
_cncMetaDataBuffer));
}
_interServiceTimeout = CncFileDescriptor.ClientLivenessTimeout(_cncMetaDataBuffer);
if (_logBuffersFactory == null)
{
_logBuffersFactory = new MappedLogBuffersFactory();
}
if (_errorHandler == null)
{
_errorHandler = DEFAULT_ERROR_HANDLER;
}
if (_availableImageHandler == null)
{
_availableImageHandler = image => { };
}
if (_unavailableImageHandler == null)
{
_unavailableImageHandler = image => { };
}
}
catch (
Exception ex)
{
Console.WriteLine("***");
Console.WriteLine("***");
Console.WriteLine("Failed to connect to the Media Driver - is it currently running?");
Console.WriteLine("***");
Console.WriteLine("***");
throw new InvalidOperationException("Could not initialise communication buffers", ex);
}
return(this);
}
internal Subscription AddSubscription(string channel, int streamId, AvailableImageHandler availableImageHandler, UnavailableImageHandler unavailableImageHandler)
{
VerifyActive();
long correlationId = _driverProxy.AddSubscription(channel, streamId);
Subscription subscription = new Subscription(this, channel, streamId, correlationId, availableImageHandler, unavailableImageHandler);
_activeSubscriptions.Add(subscription);
AwaitResponse(correlationId, channel);
return(subscription);
}
/// <summary>
/// This is called automatically by <seealso cref="Connect()"/> and its overloads.
/// There is no need to call it from a client application. It is responsible for providing default
/// values for options that are not individually changed through field setters.
/// </summary>
/// <returns> this Aeron.Context for method chaining. </returns>
public Context Conclude()
{
try
{
_cncFile = new FileInfo(Path.Combine(_aeronDirectoryName, CncFileDescriptor.CNC_FILE));
if (_epochClock == null)
{
_epochClock = new SystemEpochClock();
}
if (_nanoClock == null)
{
_nanoClock = new SystemNanoClock();
}
if (_idleStrategy == null)
{
_idleStrategy = new SleepingIdleStrategy(IdleSleepMs);
}
if (CncFile() != null)
{
_cncByteBuffer = IoUtil.MapExistingFile(CncFile().FullName);
_cncMetaDataBuffer = CncFileDescriptor.CreateMetaDataBuffer(_cncByteBuffer);
var cncVersion = _cncMetaDataBuffer.GetInt(CncFileDescriptor.CncVersionOffset(0));
if (CncFileDescriptor.CNC_VERSION != cncVersion)
{
throw new InvalidOperationException(
"aeron cnc file version not understood: version=" + cncVersion);
}
}
if (_toClientBuffer == null)
{
var receiver =
new BroadcastReceiver(CncFileDescriptor.CreateToClientsBuffer(_cncByteBuffer,
_cncMetaDataBuffer));
_toClientBuffer = new CopyBroadcastReceiver(receiver);
}
if (_toDriverBuffer == null)
{
_toDriverBuffer =
new ManyToOneRingBuffer(CncFileDescriptor.CreateToDriverBuffer(_cncByteBuffer,
_cncMetaDataBuffer));
}
if (CountersMetaDataBuffer() == null)
{
CountersMetaDataBuffer(CncFileDescriptor.CreateCountersMetaDataBuffer(_cncByteBuffer,
_cncMetaDataBuffer));
}
if (CountersValuesBuffer() == null)
{
CountersValuesBuffer(CncFileDescriptor.CreateCountersValuesBuffer(_cncByteBuffer,
_cncMetaDataBuffer));
}
_interServiceTimeout = CncFileDescriptor.ClientLivenessTimeout(_cncMetaDataBuffer);
if (_logBuffersFactory == null)
{
_logBuffersFactory = new MappedLogBuffersFactory();
}
if (_errorHandler == null)
{
_errorHandler = DEFAULT_ERROR_HANDLER;
}
if (_availableImageHandler == null)
{
_availableImageHandler = image => { };
}
if (_unavailableImageHandler == null)
{
_unavailableImageHandler = image => { };
}
}
catch (
Exception ex)
{
Console.WriteLine("***");
Console.WriteLine("***");
Console.WriteLine("Failed to connect to the Media Driver - is it currently running?");
Console.WriteLine("***");
Console.WriteLine("***");
throw new InvalidOperationException("Could not initialise communication buffers", ex);
}
return this;
}
public void SetUp()
{
MockClientErrorHandler = A.Fake <ErrorHandler>(options => options.Wrapping(throwable =>
{
if (!SuppressPrintError)
{
Console.WriteLine(throwable.ToString());
Console.Write(throwable.StackTrace);
}
}));
PublicationReady = new PublicationBuffersReadyFlyweight();
CorrelatedMessage = new CorrelatedMessageFlyweight();
ErrorResponse = new ErrorResponseFlyweight();
PublicationReadyBuffer = new UnsafeBuffer(new byte[SEND_BUFFER_CAPACITY]);
CorrelatedMessageBuffer = new UnsafeBuffer(new byte[SEND_BUFFER_CAPACITY]);
ErrorMessageBuffer = new UnsafeBuffer(new byte[SEND_BUFFER_CAPACITY]);
CounterValuesBuffer = new UnsafeBuffer(new byte[COUNTER_BUFFER_LENGTH]);
MockToClientReceiver = A.Fake <CopyBroadcastReceiver>();
MockAvailableImageHandler = A.Fake <AvailableImageHandler>();
MockUnavailableImageHandler = A.Fake <UnavailableImageHandler>();
LogBuffersFactory = A.Fake <ILogBuffersFactory>();
SubscriberPositionMap = new Dictionary <long, long>(); // should return -1 when element does not exist
DriverProxy = A.Fake <DriverProxy>();
A.CallTo(() => DriverProxy.AddPublication(CHANNEL, STREAM_ID_1)).Returns(CORRELATION_ID);
A.CallTo(() => DriverProxy.AddPublication(CHANNEL, STREAM_ID_2)).Returns(CORRELATION_ID_2);
A.CallTo(() => DriverProxy.RemovePublication(CORRELATION_ID)).Returns(CLOSE_CORRELATION_ID);
A.CallTo(() => DriverProxy.AddSubscription(A <string> ._, A <int> ._)).Returns(CORRELATION_ID);
A.CallTo(() => DriverProxy.RemoveSubscription(CORRELATION_ID)).Returns(CLOSE_CORRELATION_ID);
Conductor = new ClientConductor(EpochClock, NanoClock, MockToClientReceiver, LogBuffersFactory, CounterValuesBuffer, DriverProxy, MockClientErrorHandler, MockAvailableImageHandler, MockUnavailableImageHandler, MapMode.ReadOnly, KEEP_ALIVE_INTERVAL, AWAIT_TIMEOUT, NanoUtil.FromMilliseconds(INTER_SERVICE_TIMEOUT_MS), PUBLICATION_CONNECTION_TIMEOUT_MS);
PublicationReady.Wrap(PublicationReadyBuffer, 0);
CorrelatedMessage.Wrap(CorrelatedMessageBuffer, 0);
ErrorResponse.Wrap(ErrorMessageBuffer, 0);
PublicationReady.CorrelationId(CORRELATION_ID);
PublicationReady.SessionId(SESSION_ID_1);
PublicationReady.StreamId(STREAM_ID_1);
PublicationReady.LogFileName(SESSION_ID_1 + "-log");
SubscriberPositionMap.Add(CORRELATION_ID, 0);
CorrelatedMessage.CorrelationId(CLOSE_CORRELATION_ID);
var termBuffersSession1 = new UnsafeBuffer[LogBufferDescriptor.PARTITION_COUNT];
var termBuffersSession2 = new UnsafeBuffer[LogBufferDescriptor.PARTITION_COUNT];
for (var i = 0; i < LogBufferDescriptor.PARTITION_COUNT; i++)
{
termBuffersSession1[i] = new UnsafeBuffer(new byte[TERM_BUFFER_LENGTH]);
termBuffersSession2[i] = new UnsafeBuffer(new byte[TERM_BUFFER_LENGTH]);
}
UnsafeBuffer logMetaDataSession1 = new UnsafeBuffer(new byte[TERM_BUFFER_LENGTH]);
UnsafeBuffer logMetaDataSession2 = new UnsafeBuffer(new byte[TERM_BUFFER_LENGTH]);
IMutableDirectBuffer header1 = DataHeaderFlyweight.CreateDefaultHeader(SESSION_ID_1, STREAM_ID_1, 0);
IMutableDirectBuffer header2 = DataHeaderFlyweight.CreateDefaultHeader(SESSION_ID_2, STREAM_ID_2, 0);
LogBufferDescriptor.StoreDefaultFrameHeader(logMetaDataSession1, header1);
LogBufferDescriptor.StoreDefaultFrameHeader(logMetaDataSession2, header2);
var logBuffersSession1 = A.Fake <LogBuffers>();
var logBuffersSession2 = A.Fake <LogBuffers>();
A.CallTo(() => LogBuffersFactory.Map(SESSION_ID_1 + "-log", A <MapMode> ._)).Returns(logBuffersSession1);
A.CallTo(() => LogBuffersFactory.Map(SESSION_ID_2 + "-log", A <MapMode> ._)).Returns(logBuffersSession2);
A.CallTo(() => logBuffersSession1.TermBuffers()).Returns(termBuffersSession1);
A.CallTo(() => logBuffersSession2.TermBuffers()).Returns(termBuffersSession2);
A.CallTo(() => logBuffersSession1.MetaDataBuffer()).Returns(logMetaDataSession1);
A.CallTo(() => logBuffersSession2.MetaDataBuffer()).Returns(logMetaDataSession2);
}
/// <summary>
/// Set up a callback for when an <seealso cref="Image"/> is unavailable.
/// </summary>
/// <param name="handler"> Callback method for handling unavailable image notifications. </param>
/// <returns> this Aeron.Context for method chaining. </returns>
public Context UnavailableImageHandler(UnavailableImageHandler handler)
{
_unavailableImageHandler = handler;
return this;
}
