コード例 #1
0
        public virtual void SetUp()
        {
            RcvBuffer = new UnsafeBuffer(new byte[ALIGNED_FRAME_LENGTH]);
            DataHeader = new DataHeaderFlyweight();
            MockFragmentHandler = A.Fake<FragmentHandler>();
            MockControlledFragmentHandler = A.Fake<IControlledFragmentHandler>();
            Position = A.Fake<IPosition>(options => options.Wrapping(new AtomicLongPosition()));
            LogBuffers = A.Fake<LogBuffers>();
            ErrorHandler = A.Fake<ErrorHandler>();
            Subscription = A.Fake<Subscription>();

            AtomicBuffers = new UnsafeBuffer[(LogBufferDescriptor.PARTITION_COUNT * 2) + 1];
            TermBuffers = new UnsafeBuffer[LogBufferDescriptor.PARTITION_COUNT];

            DataHeader.Wrap(RcvBuffer);

            for (var i = 0; i < LogBufferDescriptor.PARTITION_COUNT; i++)
            {
                AtomicBuffers[i] = new UnsafeBuffer(new byte[TERM_BUFFER_LENGTH]);
                TermBuffers[i] = AtomicBuffers[i];

                AtomicBuffers[i + LogBufferDescriptor.PARTITION_COUNT] = new UnsafeBuffer(new byte[LogBufferDescriptor.TERM_META_DATA_LENGTH]);
            }

            AtomicBuffers[LogBufferDescriptor.LOG_META_DATA_SECTION_INDEX] = new UnsafeBuffer(new byte[LogBufferDescriptor.LOG_META_DATA_LENGTH]);

            A.CallTo(() => LogBuffers.AtomicBuffers()).Returns(AtomicBuffers);
            A.CallTo(() => LogBuffers.TermLength()).Returns(TERM_BUFFER_LENGTH);
        }
コード例 #2
0
        public virtual void SetUp()
        {
            RcvBuffer                     = new UnsafeBuffer(new byte[ALIGNED_FRAME_LENGTH]);
            DataHeader                    = new DataHeaderFlyweight();
            MockFragmentHandler           = A.Fake <FragmentHandler>();
            MockControlledFragmentHandler = A.Fake <IControlledFragmentHandler>();
            Position     = A.Fake <IPosition>(options => options.Wrapping(new AtomicLongPosition()));
            LogBuffers   = A.Fake <LogBuffers>();
            ErrorHandler = A.Fake <ErrorHandler>();
            Subscription = A.Fake <Subscription>();

            AtomicBuffers = new UnsafeBuffer[(LogBufferDescriptor.PARTITION_COUNT * 2) + 1];
            TermBuffers   = new UnsafeBuffer[LogBufferDescriptor.PARTITION_COUNT];

            DataHeader.Wrap(RcvBuffer);

            for (var i = 0; i < LogBufferDescriptor.PARTITION_COUNT; i++)
            {
                AtomicBuffers[i] = new UnsafeBuffer(new byte[TERM_BUFFER_LENGTH]);
                TermBuffers[i]   = AtomicBuffers[i];

                AtomicBuffers[i + LogBufferDescriptor.PARTITION_COUNT] = new UnsafeBuffer(new byte[LogBufferDescriptor.TERM_META_DATA_LENGTH]);
            }

            AtomicBuffers[LogBufferDescriptor.LOG_META_DATA_SECTION_INDEX] = new UnsafeBuffer(new byte[LogBufferDescriptor.LOG_META_DATA_LENGTH]);

            A.CallTo(() => LogBuffers.AtomicBuffers()).Returns(AtomicBuffers);
            A.CallTo(() => LogBuffers.TermLength()).Returns(TERM_BUFFER_LENGTH);
        }
コード例 #3
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        internal Publication(ClientConductor clientConductor, string channel, int streamId, int sessionId, IReadablePosition positionLimit, LogBuffers logBuffers, long registrationId)
        {
            var buffers = logBuffers.AtomicBuffers();
            var logMetaDataBuffer = buffers[LogBufferDescriptor.LOG_META_DATA_SECTION_INDEX];

            for (var i = 0; i < LogBufferDescriptor.PARTITION_COUNT; i++)
            {
                _termAppenders[i] = new TermAppender(buffers[i], buffers[i + LogBufferDescriptor.PARTITION_COUNT]);
            }

            var termLength = logBuffers.TermLength();
            _maxPayloadLength = LogBufferDescriptor.MtuLength(logMetaDataBuffer) - DataHeaderFlyweight.HEADER_LENGTH;
            MaxMessageLength = FrameDescriptor.ComputeMaxMessageLength(termLength);
            _clientConductor = clientConductor;
            Channel = channel;
            StreamId = streamId;
            SessionId = sessionId;
            InitialTermId = LogBufferDescriptor.InitialTermId(logMetaDataBuffer);
            _logMetaDataBuffer = logMetaDataBuffer;
            RegistrationId = registrationId;
            _positionLimit = positionLimit;
            _logBuffers = logBuffers;
            _positionBitsToShift = IntUtil.NumberOfTrailingZeros(termLength);
            _headerWriter = new HeaderWriter(LogBufferDescriptor.DefaultFrameHeader(logMetaDataBuffer));
        }
コード例 #4
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        /// <summary>
        /// Construct a new image over a log to represent a stream of messages from a <seealso cref="Publication"/>.
        /// </summary>
        /// <param name="subscription">       to which this <seealso cref="Image"/> belongs. </param>
        /// <param name="sessionId">          of the stream of messages. </param>
        /// <param name="subscriberPosition"> for indicating the position of the subscriber in the stream. </param>
        /// <param name="logBuffers">         containing the stream of messages. </param>
        /// <param name="errorHandler">       to be called if an error occurs when polling for messages. </param>
        /// <param name="sourceIdentity">     of the source sending the stream of messages. </param>
        /// <param name="correlationId">      of the request to the media driver. </param>
        public Image(Subscription subscription, int sessionId, IPosition subscriberPosition, LogBuffers logBuffers, ErrorHandler errorHandler, string sourceIdentity, long correlationId)
        {
            Subscription = subscription;
            SessionId = sessionId;
            _subscriberPosition = subscriberPosition;
            _logBuffers = logBuffers;
            _errorHandler = errorHandler;
            SourceIdentity = sourceIdentity;
            CorrelationId = correlationId;

            var buffers = logBuffers.AtomicBuffers();
            Array.Copy(buffers, 0, _termBuffers, 0, LogBufferDescriptor.PARTITION_COUNT);

            var termLength = logBuffers.TermLength();
            _termLengthMask = termLength - 1;
            _positionBitsToShift = IntUtil.NumberOfTrailingZeros(termLength);
            _header = new Header(LogBufferDescriptor.InitialTermId(buffers[LogBufferDescriptor.LOG_META_DATA_SECTION_INDEX]), _positionBitsToShift);
        }
コード例 #5
0
ファイル: PublicationTest.cs プロジェクト: kiwipiet/Aeron.NET
        public void SetUp()
        {
            _sendBuffer          = new byte[SendBufferCapacity];
            _atomicSendBuffer    = new UnsafeBuffer(_sendBuffer);
            _logMetaDataBuffer   = new UnsafeBuffer(new byte[LogBufferDescriptor.LOG_META_DATA_LENGTH]);
            _termBuffers         = new UnsafeBuffer[LogBufferDescriptor.PARTITION_COUNT];
            _termMetaDataBuffers = new UnsafeBuffer[LogBufferDescriptor.PARTITION_COUNT];
            _buffers             = new UnsafeBuffer[LogBufferDescriptor.PARTITION_COUNT * 2 + 1];

            _conductor        = A.Fake <ClientConductor>();
            _logBuffers       = A.Fake <LogBuffers>();
            _publicationLimit = A.Fake <IReadablePosition>();

            A.CallTo(() => _publicationLimit.Volatile).Returns(2 * SendBufferCapacity);
            A.CallTo(() => _logBuffers.AtomicBuffers()).Returns(_buffers);
            A.CallTo(() => _logBuffers.TermLength()).Returns(LogBufferDescriptor.TERM_MIN_LENGTH);

            LogBufferDescriptor.InitialTermId(_logMetaDataBuffer, TermID1);
            LogBufferDescriptor.TimeOfLastStatusMessage(_logMetaDataBuffer, 0);

            for (var i = 0; i < LogBufferDescriptor.PARTITION_COUNT; i++)
            {
                _termBuffers[i]         = new UnsafeBuffer(new byte[LogBufferDescriptor.TERM_MIN_LENGTH]);
                _termMetaDataBuffers[i] = new UnsafeBuffer(new byte[LogBufferDescriptor.TERM_META_DATA_LENGTH]);

                _buffers[i] = _termBuffers[i];
                _buffers[i + LogBufferDescriptor.PARTITION_COUNT] = _termMetaDataBuffers[i];
            }
            _buffers[LogBufferDescriptor.LOG_META_DATA_SECTION_INDEX] = _logMetaDataBuffer;

            _publication = new Publication(_conductor, Channel, StreamID1, SessionID1, _publicationLimit, _logBuffers, CorrelationID);

            _publication.IncRef();

            LogBufferDescriptor.InitialiseTailWithTermId(_termMetaDataBuffers[0], TermID1);
        }
コード例 #6
0
        public void SetUp()
        {
            _sendBuffer = new byte[SendBufferCapacity];
            _atomicSendBuffer = new UnsafeBuffer(_sendBuffer);
            _logMetaDataBuffer = new UnsafeBuffer(new byte[LogBufferDescriptor.LOG_META_DATA_LENGTH]);
            _termBuffers = new UnsafeBuffer[LogBufferDescriptor.PARTITION_COUNT];
            _termMetaDataBuffers = new UnsafeBuffer[LogBufferDescriptor.PARTITION_COUNT];
            _buffers = new UnsafeBuffer[LogBufferDescriptor.PARTITION_COUNT*2 + 1];

            _conductor = A.Fake<ClientConductor>();
            _logBuffers = A.Fake<LogBuffers>();
            _publicationLimit = A.Fake<IReadablePosition>();

            A.CallTo(() => _publicationLimit.Volatile).Returns(2*SendBufferCapacity);
            A.CallTo(() => _logBuffers.AtomicBuffers()).Returns(_buffers);
            A.CallTo(() => _logBuffers.TermLength()).Returns(LogBufferDescriptor.TERM_MIN_LENGTH);

            LogBufferDescriptor.InitialTermId(_logMetaDataBuffer, TermID1);
            LogBufferDescriptor.TimeOfLastStatusMessage(_logMetaDataBuffer, 0);

            for (var i = 0; i < LogBufferDescriptor.PARTITION_COUNT; i++)
            {
                _termBuffers[i] = new UnsafeBuffer(new byte[LogBufferDescriptor.TERM_MIN_LENGTH]);
                _termMetaDataBuffers[i] = new UnsafeBuffer(new byte[LogBufferDescriptor.TERM_META_DATA_LENGTH]);

                _buffers[i] = _termBuffers[i];
                _buffers[i + LogBufferDescriptor.PARTITION_COUNT] = _termMetaDataBuffers[i];
            }
            _buffers[LogBufferDescriptor.LOG_META_DATA_SECTION_INDEX] = _logMetaDataBuffer;

            _publication = new Publication(_conductor, Channel, StreamID1, SessionID1, _publicationLimit, _logBuffers, CorrelationID);

            _publication.IncRef();

            LogBufferDescriptor.InitialiseTailWithTermId(_termMetaDataBuffers[0], TermID1);
        }