Examples with QpidByteBuffer org.apache.qpid.server.bytebuffer.QpidByteBuffer used on opensource projects

Example 66 with QpidByteBuffer

use of org.apache.qpid.server.bytebuffer.QpidByteBuffer in project qpid-broker-j by apache.

the class MessageFormat_0_9_1 method readInt.

private int readInt(final List<QpidByteBuffer> data) {
    int required = 4;
    int result = 0;
    for (QpidByteBuffer buf : data) {
        if (required == 4 && buf.remaining() >= 4) {
            return buf.getInt();
        } else {
            while (buf.remaining() > 0) {
                result <<= 8;
                result |= ((int) buf.get()) & 0xff;
                if (--required == 0) {
                    return result;
                }
            }
        }
    }
    throw new BufferUnderflowException();
}

Example 67 with QpidByteBuffer

use of org.apache.qpid.server.bytebuffer.QpidByteBuffer in project qpid-broker-j by apache.

the class AMQFrame method writePayload.

@Override
public long writePayload(final ByteBufferSender sender) {
    try (QpidByteBuffer frameHeader = QpidByteBuffer.allocate(sender.isDirectBufferPreferred(), HEADER_SIZE)) {
        frameHeader.put(_bodyFrame.getFrameType());
        frameHeader.putUnsignedShort(_channel);
        frameHeader.putUnsignedInt((long) _bodyFrame.getSize());
        frameHeader.flip();
        sender.send(frameHeader);
    }
    long size = 8 + _bodyFrame.writePayload(sender);
    try (QpidByteBuffer endFrame = FRAME_END_BYTE_BUFFER.duplicate()) {
        sender.send(endFrame);
    }
    return size;
}

Example 68 with QpidByteBuffer

use of org.apache.qpid.server.bytebuffer.QpidByteBuffer in project qpid-broker-j by apache.

the class ConsumerTarget_1_0 method doSend.

@Override
public void doSend(final MessageInstanceConsumer consumer, final MessageInstance entry, boolean batch) {
    ServerMessage serverMessage = entry.getMessage();
    Message_1_0 message;
    final MessageConverter<? super ServerMessage, Message_1_0> converter;
    if (serverMessage instanceof Message_1_0) {
        converter = null;
        message = (Message_1_0) serverMessage;
    } else {
        converter = (MessageConverter<? super ServerMessage, Message_1_0>) MessageConverterRegistry.getConverter(serverMessage.getClass(), Message_1_0.class);
        if (converter == null) {
            throw new ServerScopedRuntimeException(String.format("Could not find message converter from '%s' to '%s'." + " This is unexpected since we should not try to send if the converter is not present.", serverMessage.getClass(), Message_1_0.class));
        }
        message = converter.convert(serverMessage, _linkEndpoint.getAddressSpace());
    }
    Transfer transfer = new Transfer();
    try {
        QpidByteBuffer bodyContent = message.getContent();
        HeaderSection headerSection = message.getHeaderSection();
        UnsignedInteger ttl = headerSection == null ? null : headerSection.getValue().getTtl();
        if (entry.getDeliveryCount() != 0 || ttl != null) {
            Header header = new Header();
            if (headerSection != null) {
                final Header oldHeader = headerSection.getValue();
                header.setDurable(oldHeader.getDurable());
                header.setPriority(oldHeader.getPriority());
                if (ttl != null) {
                    long timeSpentOnBroker = System.currentTimeMillis() - message.getArrivalTime();
                    final long adjustedTtl = Math.max(0L, ttl.longValue() - timeSpentOnBroker);
                    header.setTtl(UnsignedInteger.valueOf(adjustedTtl));
                }
                headerSection.dispose();
            }
            if (entry.getDeliveryCount() != 0) {
                header.setDeliveryCount(UnsignedInteger.valueOf(entry.getDeliveryCount()));
            }
            headerSection = header.createEncodingRetainingSection();
        }
        List<QpidByteBuffer> payload = new ArrayList<>();
        if (headerSection != null) {
            payload.add(headerSection.getEncodedForm());
            headerSection.dispose();
        }
        EncodingRetainingSection<?> section;
        if ((section = message.getDeliveryAnnotationsSection()) != null) {
            payload.add(section.getEncodedForm());
            section.dispose();
        }
        if ((section = message.getMessageAnnotationsSection()) != null) {
            payload.add(section.getEncodedForm());
            section.dispose();
        }
        if ((section = message.getPropertiesSection()) != null) {
            payload.add(section.getEncodedForm());
            section.dispose();
        }
        if ((section = message.getApplicationPropertiesSection()) != null) {
            payload.add(section.getEncodedForm());
            section.dispose();
        }
        payload.add(bodyContent);
        if ((section = message.getFooterSection()) != null) {
            payload.add(section.getEncodedForm());
            section.dispose();
        }
        try (QpidByteBuffer combined = QpidByteBuffer.concatenate(payload)) {
            transfer.setPayload(combined);
        }
        payload.forEach(QpidByteBuffer::dispose);
        byte[] data = new byte[8];
        ByteBuffer.wrap(data).putLong(_deliveryTag++);
        final Binary tag = new Binary(data);
        transfer.setDeliveryTag(tag);
        if (_linkEndpoint.isAttached()) {
            if (SenderSettleMode.SETTLED.equals(getEndpoint().getSendingSettlementMode())) {
                transfer.setSettled(true);
            } else {
                final UnsettledAction action;
                if (_acquires) {
                    action = new DispositionAction(tag, entry, consumer);
                    addUnacknowledgedMessage(entry);
                } else {
                    action = new DoNothingAction();
                }
                _linkEndpoint.addUnsettled(tag, action, entry);
            }
            if (_transactionId != null) {
                TransactionalState state = new TransactionalState();
                state.setTxnId(_transactionId);
                transfer.setState(state);
            }
            if (_acquires && _transactionId != null) {
                try {
                    ServerTransaction txn = _linkEndpoint.getTransaction(_transactionId);
                    txn.addPostTransactionAction(new ServerTransaction.Action() {

                        @Override
                        public void postCommit() {
                        }

                        @Override
                        public void onRollback() {
                            entry.release(consumer);
                            _linkEndpoint.updateDisposition(tag, null, true);
                        }
                    });
                } catch (UnknownTransactionException e) {
                    entry.release(consumer);
                    getEndpoint().close(new Error(TransactionError.UNKNOWN_ID, e.getMessage()));
                    return;
                }
            }
            getSession().getAMQPConnection().registerMessageDelivered(message.getSize());
            getEndpoint().transfer(transfer, false);
        } else {
            entry.release(consumer);
        }
    } finally {
        transfer.dispose();
        if (converter != null) {
            converter.dispose(message);
        }
    }
}

Example 69 with QpidByteBuffer

use of org.apache.qpid.server.bytebuffer.QpidByteBuffer in project qpid-broker-j by apache.

the class Delivery method getPayload.

public QpidByteBuffer getPayload() {
    List<QpidByteBuffer> transferBuffers = new ArrayList<>(_transfers.size());
    for (Transfer t : _transfers) {
        transferBuffers.add(t.getPayload());
        t.dispose();
    }
    _transfers.clear();
    final QpidByteBuffer combined = QpidByteBuffer.concatenate(transferBuffers);
    transferBuffers.forEach(QpidByteBuffer::dispose);
    return combined;
}

Example 70 with QpidByteBuffer

use of org.apache.qpid.server.bytebuffer.QpidByteBuffer in project qpid-broker-j by apache.

the class MessageFormat_1_0 method createMessage.

@Override
public Message_1_0 createMessage(final QpidByteBuffer payload, final MessageStore store, final Object connectionReference) {
    List<EncodingRetainingSection<?>> dataSections = new ArrayList<>();
    List<EncodingRetainingSection<?>> allSections;
    try {
        allSections = getSectionDecoder().parseAll(payload);
    } catch (AmqpErrorException e) {
        throw new AmqpErrorRuntimeException(e);
    }
    MessageMetaData_1_0 mmd = createMessageMetaData(allSections, dataSections);
    MessageHandle<MessageMetaData_1_0> handle = store.addMessage(mmd);
    for (EncodingRetainingSection<?> dataSection : dataSections) {
        try (QpidByteBuffer encodedForm = dataSection.getEncodedForm()) {
            handle.addContent(encodedForm);
        }
        dataSection.dispose();
    }
    final StoredMessage<MessageMetaData_1_0> storedMessage = handle.allContentAdded();
    return new Message_1_0(storedMessage, connectionReference);
}