Examples with DataBuffer edu.iu.dsc.tws.api.comms.packing.DataBuffer used on opensource projects

Example 16 with DataBuffer

use of edu.iu.dsc.tws.api.comms.packing.DataBuffer in project twister2 by DSC-SPIDAL.

the class ChannelDataFlowOperation method init.

public void init(Config cfg, MessageType messageType, MessageType rcvDataType, MessageType kType, MessageType rcvKeyType, LogicalPlan plan, int graphEdge, Set<Integer> recvExecutors, ChannelReceiver msgReceiver, Map<Integer, ArrayBlockingQueue<OutMessage>> pendingSendPerSource, Map<Integer, Queue<InMessage>> pRMPS, Map<Integer, Queue<InMessage>> pendingReceiveDesrialize, Map<Integer, MessageSerializer> serializer, Map<Integer, MessageDeSerializer> deSerializer, boolean keyed) {
    this.config = cfg;
    this.instancePlan = plan;
    this.edge = graphEdge;
    this.dataType = messageType;
    this.receiveDataType = rcvDataType;
    this.receiveKeyType = rcvKeyType;
    this.keyType = kType;
    this.executor = instancePlan.getThisWorker();
    this.receivingExecutors = recvExecutors;
    this.receiver = msgReceiver;
    this.isKeyed = keyed;
    this.pendingReceiveMessagesPerSource = pRMPS;
    this.pendingSendMessagesPerSource = pendingSendPerSource;
    this.pendingReceiveDeSerializations = pendingReceiveDesrialize;
    this.messageSerializer = serializer;
    this.messageDeSerializer = deSerializer;
    int noOfSendBuffers = CommunicationContext.sendBuffersCount(config);
    int sendBufferSize = CommunicationContext.bufferSize(config);
    this.sendBuffers = new ArrayBlockingQueue<>(noOfSendBuffers);
    for (int i = 0; i < noOfSendBuffers; i++) {
        sendBuffers.offer(new DataBuffer(channel.createBuffer(sendBufferSize)));
    }
    this.receiveBuffers = new HashMap<>();
    this.localReceiveBuffers = new ArrayDeque<>();
    LOG.log(Level.FINE, String.format("%d setup communication", instancePlan.getThisWorker()));
    // now setup the sends and receives
    setupCommunication();
    // initialize the serializers
    LOG.fine(String.format("%d setup initializers", instancePlan.getThisWorker()));
    initSerializers();
    initProgressTrackers();
}

Example 17 with DataBuffer

use of edu.iu.dsc.tws.api.comms.packing.DataBuffer in project twister2 by DSC-SPIDAL.

the class BaseSerializer method build.

@Override
public ChannelMessage build(Object data, Object partialBuildObject) {
    OutMessage sendMessage = (OutMessage) partialBuildObject;
    ChannelMessage channelMessage = new ChannelMessage(sendMessage.getSource(), sendMessage.getDataType(), MessageDirection.OUT, sendMessage.getReleaseCallback());
    buildHeader(sendMessage, channelMessage, 0);
    // we loop until everything is serialized
    while (sendBuffers.size() > 0 && sendMessage.getSendState() != OutMessage.SendState.SERIALIZED) {
        // we can continue only if there is a data buffer
        DataBuffer buffer = sendBuffers.poll();
        if (buffer == null) {
            break;
        }
        int lastBufferIndicatorIndex = DFWIOUtils.SHORT_HEADER_SIZE - 1;
        // this is the first time we are seeing this message
        if (sendMessage.getSendState() == OutMessage.SendState.INIT || sendMessage.getSendState() == OutMessage.SendState.SENT_INTERNALLY) {
            // we set the state here, because we can set it to serialized below
            sendMessage.setSendState(OutMessage.SendState.HEADER_BUILT);
            // build the header
            if (data instanceof AggregatedObjects) {
                // for list message we need to put the size of the list
                DFWIOUtils.buildHeader(buffer, sendMessage, ((List) data).size());
                buildHeader(sendMessage, channelMessage, ((List) data).size());
            } else {
                if ((sendMessage.getFlags() & MessageFlags.SYNC_EMPTY) == MessageFlags.SYNC_EMPTY) {
                    sendMessage.setSendState(OutMessage.SendState.SERIALIZED);
                    // we set the number of messages to 0, only header will be sent
                    DFWIOUtils.buildHeader(buffer, sendMessage, 0);
                    buildHeader(sendMessage, channelMessage, 0);
                } else {
                    // for single message we need to put the size as 1
                    DFWIOUtils.buildHeader(buffer, sendMessage, -1);
                    buildHeader(sendMessage, channelMessage, -1);
                }
            }
            lastBufferIndicatorIndex = DFWIOUtils.HEADER_SIZE - 1;
        } else {
            buffer.getByteBuffer().putInt(sendMessage.getSource());
            // indicate this is not the last buffer
            buffer.getByteBuffer().put((byte) 0);
        }
        // okay we have a body to build and it is not done fully yet
        if (sendMessage.getSendState() == OutMessage.SendState.HEADER_BUILT || sendMessage.getSendState() == OutMessage.SendState.PARTIALLY_SERIALIZED) {
            sendMessage.setSendState(OutMessage.SendState.PARTIALLY_SERIALIZED);
            serializeBody(data, sendMessage, buffer);
        }
        if (sendMessage.getSendState() == OutMessage.SendState.SERIALIZED) {
            channelMessage.setComplete(true);
            // indicate this as the final buffer
            buffer.getByteBuffer().put(lastBufferIndicatorIndex, (byte) 1);
        }
        // okay we are adding this buffer
        channelMessage.addBuffer(buffer);
    }
    // if we didn't do anything lets return null
    if (channelMessage.getBuffers().size() == 0) {
        return null;
    }
    return channelMessage;
}

Example 18 with DataBuffer

use of edu.iu.dsc.tws.api.comms.packing.DataBuffer in project twister2 by DSC-SPIDAL.

the class DataDeserializer method build.

/**
 * Builds the message from the data buffers in the partialObject. Since this method
 * supports multi-messages it iterates through the buffers and builds all the messages separately
 *
 * @param partialObject message object that needs to be built
 * @param edge the edge value associated with this message
 */
@Override
public void build(Object partialObject, int edge) {
    InMessage currentMessage = (InMessage) partialObject;
    DataPacker dataPacker = currentMessage.getDataType().getDataPacker();
    Queue<DataBuffer> buffers = currentMessage.getBuffers();
    MessageHeader header = currentMessage.getHeader();
    if (header == null) {
        throw new RuntimeException("Header must be built before the message");
    }
    List<DataBuffer> builtBuffers = new ArrayList<>();
    // get the number of objects deserialized
    DataBuffer buffer = buffers.peek();
    while (buffer != null) {
        int currentLocation = 0;
        int remaining = buffer.getSize();
        if (header.getNumberTuples() == 0) {
            builtBuffers.add(buffer);
            break;
        }
        // if we are at the beginning
        int currentObjectLength = currentMessage.getUnPkCurrentObjectLength();
        if (currentMessage.getUnPkBuffers() == 0) {
            currentLocation = DFWIOUtils.HEADER_SIZE;
            remaining = remaining - DFWIOUtils.HEADER_SIZE;
        } else {
            // source(int) + last_buffer_indicator(byte)
            currentLocation = DFWIOUtils.SHORT_HEADER_SIZE;
            remaining = remaining - DFWIOUtils.SHORT_HEADER_SIZE;
        }
        if (currentObjectLength == -1 || currentMessage.getUnPkBuffers() == 0) {
            currentObjectLength = buffer.getByteBuffer().getInt(currentLocation);
            remaining = remaining - Integer.BYTES;
            currentLocation += Integer.BYTES;
            // starting to build a new object
            currentMessage.getDataBuilder().init(dataPacker, currentObjectLength);
        }
        while (remaining > 0) {
            // read the values from the buffer
            ObjectBuilderImpl dataBuilder = currentMessage.getDataBuilder();
            int bytesRead = dataPacker.readDataFromBuffer(dataBuilder, currentLocation, buffer);
            dataBuilder.incrementCompletedSizeBy(bytesRead);
            currentLocation += bytesRead;
            remaining = remaining - bytesRead;
            // okay we are done with this object
            if (dataBuilder.isBuilt()) {
                currentMessage.addCurrentObject();
                currentMessage.setUnPkCurrentObjectLength(-1);
            } else {
                // lets break the inner while loop
                break;
            }
            // could have next object length?
            if (remaining >= Integer.BYTES) {
                currentObjectLength = buffer.getByteBuffer().getInt(currentLocation);
                remaining = remaining - Integer.BYTES;
                currentLocation += Integer.BYTES;
                currentMessage.getDataBuilder().init(dataPacker, currentObjectLength);
                currentMessage.setUnPkCurrentObjectLength(currentObjectLength);
            } else {
                // we have to break here as we cannot read further
                break;
            }
        }
        // lets remove this buffer
        buffers.poll();
        builtBuffers.add(buffer);
        // increment the unpacked buffers
        currentMessage.incrementUnPkBuffers();
        // lets check weather we have read everythong
        int readObjectNumber = currentMessage.getUnPkNumberObjects();
        // we need to get number of tuples and get abs because we are using -1 for single messages
        if (readObjectNumber == Math.abs(currentMessage.getHeader().getNumberTuples())) {
            break;
        }
        // lets move to next
        buffer = buffers.peek();
    }
    if (builtBuffers.size() > 0) {
        ChannelMessage channelMessage = new ChannelMessage(currentMessage.getOriginatingId(), currentMessage.getDataType(), MessageDirection.IN, currentMessage.getReleaseListener());
        channelMessage.addBuffers(builtBuffers);
        channelMessage.setHeader(currentMessage.getHeader());
        channelMessage.incrementRefCount();
        currentMessage.addBuiltMessage(channelMessage);
    }
}

Example 19 with DataBuffer

use of edu.iu.dsc.tws.api.comms.packing.DataBuffer in project twister2 by DSC-SPIDAL.

the class FixedSchemaKeyedDataDeSerializer method build.

/**
 * Builds the message from the data buffers in the partialObject. Since this method
 * supports multi-messages it iterates through the buffers and builds all the messages separately
 *
 * @param partialObject message object that needs to be built
 * @param edge the edge value associated with this message
 */
@Override
public void build(Object partialObject, int edge) {
    InMessage currentMessage = (InMessage) partialObject;
    MessageType keyType = currentMessage.getKeyType();
    DataPacker keyPacker = keyType.getDataPacker();
    DataPacker dataPacker = currentMessage.getDataType().getDataPacker();
    Queue<DataBuffer> buffers = currentMessage.getBuffers();
    MessageHeader header = currentMessage.getHeader();
    if (header == null) {
        throw new RuntimeException("Header must be built before the message");
    }
    List<DataBuffer> builtBuffers = new ArrayList<>();
    // get the number of objects deserialized
    DataBuffer buffer = buffers.peek();
    while (buffer != null) {
        int currentLocation = 0;
        int remaining = buffer.getSize();
        if (header.getNumberTuples() == 0) {
            builtBuffers.add(buffer);
            break;
        }
        // if we are at the beginning
        int currentObjectLength = currentMessage.getUnPkCurrentObjectLength();
        int currentKeyLength = currentMessage.getUnPkCurrentKeyLength();
        if (currentMessage.getUnPkBuffers() == 0) {
            currentLocation = DFWIOUtils.HEADER_SIZE;
            remaining = remaining - DFWIOUtils.HEADER_SIZE;
        } else {
            currentLocation = DFWIOUtils.SHORT_HEADER_SIZE;
            remaining = remaining - DFWIOUtils.SHORT_HEADER_SIZE;
        }
        if (currentObjectLength == -1 || currentMessage.getUnPkBuffers() == 0) {
            currentObjectLength = messageSchema.getMessageSize();
        }
        if (currentKeyLength == -1) {
            // we have to set the current object length
            currentObjectLength = messageSchema.getMessageSize() - messageSchema.getKeySize();
            currentKeyLength = messageSchema.getKeySize();
            currentMessage.getKeyBuilder().init(keyPacker, currentKeyLength);
            try {
                currentMessage.getDataBuilder().init(dataPacker, currentObjectLength);
                currentMessage.setUnPkCurrentKeyLength(currentKeyLength);
                currentMessage.setUnPkCurrentObjectLength(currentObjectLength);
                // we are going to read the key first
                currentMessage.setReadingKey(true);
            } catch (NegativeArraySizeException e) {
                throw new RuntimeException(e);
            }
        }
        while (remaining > 0) {
            if (currentMessage.isReadingKey()) {
                ObjectBuilderImpl keyBuilder = currentMessage.getKeyBuilder();
                int bytesRead = keyPacker.readDataFromBuffer(keyBuilder, currentLocation, buffer);
                keyBuilder.incrementCompletedSizeBy(bytesRead);
                currentLocation += bytesRead;
                remaining = remaining - bytesRead;
                currentMessage.setReadingKey(!keyBuilder.isBuilt());
                if (keyBuilder.isBuilt()) {
                    // done reading key
                    currentMessage.setReadingKey(false);
                } else {
                    break;
                }
            }
            if (!currentMessage.isReadingKey()) {
                ObjectBuilderImpl dataBuilder = currentMessage.getDataBuilder();
                // read the values from the buffer
                int byteRead = dataPacker.readDataFromBuffer(dataBuilder, currentLocation, buffer);
                dataBuilder.incrementCompletedSizeBy(byteRead);
                currentLocation += byteRead;
                remaining = remaining - byteRead;
                // okay we are done with this object
                if (dataBuilder.isBuilt()) {
                    // lets add the object
                    currentMessage.addCurrentKeyedObject();
                } else {
                    // lets break the inner while loop
                    break;
                }
                if (remaining > 0) {
                    currentObjectLength = messageSchema.getMessageSize();
                    // we have to set the current object length
                    currentObjectLength = currentObjectLength - messageSchema.getKeySize();
                    currentKeyLength = messageSchema.getKeySize();
                    currentMessage.getKeyBuilder().init(keyPacker, currentKeyLength);
                    currentMessage.getDataBuilder().init(dataPacker, currentObjectLength);
                    currentMessage.setUnPkCurrentKeyLength(currentKeyLength);
                    currentMessage.setUnPkCurrentObjectLength(currentObjectLength);
                    // we are going to read the key first
                    currentMessage.setReadingKey(true);
                } else {
                    // we have to break here as we cannot read further
                    break;
                }
            }
        }
        // lets remove this buffer
        buffers.poll();
        builtBuffers.add(buffer);
        // increment the unpacked buffers
        currentMessage.incrementUnPkBuffers();
        // lets check weather we have read everythong
        int readObjectNumber = currentMessage.getUnPkNumberObjects();
        // we need to get number of tuples and get abs because we are using -1 for single messages
        if (readObjectNumber == Math.abs(currentMessage.getHeader().getNumberTuples())) {
            break;
        }
        // lets move to next
        buffer = buffers.peek();
    }
    if (builtBuffers.size() > 0) {
        ChannelMessage channelMessage = new ChannelMessage(currentMessage.getOriginatingId(), currentMessage.getDataType(), MessageDirection.IN, currentMessage.getReleaseListener());
        channelMessage.addBuffers(builtBuffers);
        channelMessage.setHeader(currentMessage.getHeader());
        channelMessage.incrementRefCount();
        currentMessage.addBuiltMessage(channelMessage);
    }
}

Example 20 with DataBuffer

use of edu.iu.dsc.tws.api.comms.packing.DataBuffer in project twister2 by DSC-SPIDAL.

the class KeyedDataDeSerializer method build.

/**
 * Builds the message from the data buffers in the partialObject. Since this method
 * supports multi-messages it iterates through the buffers and builds all the messages separately
 *
 * @param partialObject message object that needs to be built
 * @param edge the edge value associated with this message
 */
@Override
public void build(Object partialObject, int edge) {
    InMessage currentMessage = (InMessage) partialObject;
    MessageType keyType = currentMessage.getKeyType();
    DataPacker keyPacker = keyType.getDataPacker();
    DataPacker dataPacker = currentMessage.getDataType().getDataPacker();
    Queue<DataBuffer> buffers = currentMessage.getBuffers();
    MessageHeader header = currentMessage.getHeader();
    if (header == null) {
        throw new RuntimeException("Header must be built before the message");
    }
    if ((header.getFlags() & MessageFlags.SYNC_BARRIER) == MessageFlags.SYNC_BARRIER) {
        keyType = MessageTypes.BYTE_ARRAY;
        keyPacker = MessageTypes.BYTE_ARRAY.getDataPacker();
        dataPacker = keyPacker;
    }
    List<DataBuffer> builtBuffers = new ArrayList<>();
    // get the number of objects deserialized
    DataBuffer buffer = buffers.peek();
    while (buffer != null) {
        int currentLocation = 0;
        int remaining = buffer.getSize();
        if (header.getNumberTuples() == 0) {
            builtBuffers.add(buffer);
            break;
        }
        // if we are at the beginning
        int currentObjectLength = currentMessage.getUnPkCurrentObjectLength();
        int currentKeyLength = currentMessage.getUnPkCurrentKeyLength();
        if (currentMessage.getUnPkBuffers() == 0) {
            currentLocation = DFWIOUtils.HEADER_SIZE;
            remaining = remaining - DFWIOUtils.HEADER_SIZE;
        } else {
            currentLocation = DFWIOUtils.SHORT_HEADER_SIZE;
            remaining = remaining - DFWIOUtils.SHORT_HEADER_SIZE;
        }
        if (currentObjectLength == -1 || currentMessage.getUnPkBuffers() == 0) {
            currentObjectLength = buffer.getByteBuffer().getInt(currentLocation);
            remaining = remaining - Integer.BYTES;
            currentLocation += Integer.BYTES;
        }
        if (currentKeyLength == -1) {
            // we assume we can read the key length from here
            int right = DataPackerProxy.getKeyLengthRight(keyType, buffer, currentLocation);
            int left = DataPackerProxy.getKeyLengthLeft(keyType, buffer, currentLocation);
            remaining = remaining - right;
            currentLocation += right;
            // we have to set the current object length
            currentObjectLength = currentObjectLength - left - right;
            currentKeyLength = left;
            currentMessage.getKeyBuilder().init(keyPacker, currentKeyLength);
            try {
                currentMessage.getDataBuilder().init(dataPacker, currentObjectLength);
                currentMessage.setUnPkCurrentKeyLength(currentKeyLength);
                currentMessage.setUnPkCurrentObjectLength(currentObjectLength);
                // we are going to read the key first
                currentMessage.setReadingKey(true);
            } catch (NegativeArraySizeException e) {
                throw new RuntimeException(e);
            }
        }
        while (remaining > 0) {
            if (currentMessage.isReadingKey()) {
                ObjectBuilderImpl keyBuilder = currentMessage.getKeyBuilder();
                int bytesRead = keyPacker.readDataFromBuffer(keyBuilder, currentLocation, buffer);
                keyBuilder.incrementCompletedSizeBy(bytesRead);
                currentLocation += bytesRead;
                remaining = remaining - bytesRead;
                currentMessage.setReadingKey(!keyBuilder.isBuilt());
                if (keyBuilder.isBuilt()) {
                    // done reading key
                    currentMessage.setReadingKey(false);
                } else {
                    break;
                }
            }
            if (!currentMessage.isReadingKey()) {
                ObjectBuilderImpl dataBuilder = currentMessage.getDataBuilder();
                // read the values from the buffer
                int byteRead = dataPacker.readDataFromBuffer(dataBuilder, currentLocation, buffer);
                dataBuilder.incrementCompletedSizeBy(byteRead);
                currentLocation += byteRead;
                remaining = remaining - byteRead;
                // okay we are done with this object
                if (dataBuilder.isBuilt()) {
                    // lets add the object
                    currentMessage.addCurrentKeyedObject();
                } else {
                    // lets break the inner while loop
                    break;
                }
                int bytesToReadKey = 0;
                if (keyPacker.isHeaderRequired()) {
                    bytesToReadKey += Integer.BYTES;
                }
                if (remaining >= Integer.BYTES + bytesToReadKey) {
                    currentObjectLength = buffer.getByteBuffer().getInt(currentLocation);
                    remaining = remaining - Integer.BYTES;
                    currentLocation += Integer.BYTES;
                    // we assume we can read the key length from here
                    int right = DataPackerProxy.getKeyLengthRight(keyType, buffer, currentLocation);
                    int left = DataPackerProxy.getKeyLengthLeft(keyType, buffer, currentLocation);
                    remaining = remaining - right;
                    currentLocation += right;
                    // we have to set the current object length
                    currentObjectLength = currentObjectLength - left - right;
                    currentKeyLength = left;
                    currentMessage.getKeyBuilder().init(keyPacker, currentKeyLength);
                    currentMessage.getDataBuilder().init(dataPacker, currentObjectLength);
                    currentMessage.setUnPkCurrentKeyLength(currentKeyLength);
                    currentMessage.setUnPkCurrentObjectLength(currentObjectLength);
                    // we are going to read the key first
                    currentMessage.setReadingKey(true);
                } else if (remaining >= Integer.BYTES) {
                    currentObjectLength = buffer.getByteBuffer().getInt(currentLocation);
                    remaining = remaining - Integer.BYTES;
                    currentLocation += Integer.BYTES;
                    currentMessage.setUnPkCurrentObjectLength(currentObjectLength);
                    currentMessage.setUnPkCurrentKeyLength(-1);
                    currentMessage.setReadingKey(true);
                } else {
                    // we have to break here as we cannot read further
                    break;
                }
            }
        }
        // lets remove this buffer
        buffers.poll();
        builtBuffers.add(buffer);
        // increment the unpacked buffers
        currentMessage.incrementUnPkBuffers();
        // lets check weather we have read everythong
        int readObjectNumber = currentMessage.getUnPkNumberObjects();
        // we need to get number of tuples and get abs because we are using -1 for single messages
        if (readObjectNumber == Math.abs(currentMessage.getHeader().getNumberTuples())) {
            break;
        }
        // lets move to next
        buffer = buffers.peek();
    }
    if (builtBuffers.size() > 0) {
        ChannelMessage channelMessage = new ChannelMessage(currentMessage.getOriginatingId(), currentMessage.getDataType(), MessageDirection.IN, currentMessage.getReleaseListener());
        channelMessage.addBuffers(builtBuffers);
        channelMessage.setHeader(currentMessage.getHeader());
        channelMessage.incrementRefCount();
        currentMessage.addBuiltMessage(channelMessage);
    }
}