Examples with Transfer org.apache.qpid.server.protocol.v1_0.type.transport.Transfer used on opensource projects

Example 26 with Transfer

use of org.apache.qpid.server.protocol.v1_0.type.transport.Transfer in project qpid-broker-j by apache.

the class AMQPConnection_1_0Impl method receive.

@Override
public void receive(final List<ChannelFrameBody> channelFrameBodies) {
    if (!channelFrameBodies.isEmpty()) {
        PeekingIterator<ChannelFrameBody> itr = Iterators.peekingIterator(channelFrameBodies.iterator());
        boolean cleanExit = false;
        try {
            while (itr.hasNext()) {
                final ChannelFrameBody channelFrameBody = itr.next();
                final int frameChannel = channelFrameBody.getChannel();
                Session_1_0 session = _receivingSessions == null || frameChannel >= _receivingSessions.length ? null : _receivingSessions[frameChannel];
                if (session != null) {
                    final AccessControlContext context = session.getAccessControllerContext();
                    AccessController.doPrivileged((PrivilegedAction<Void>) () -> {
                        ChannelFrameBody channelFrame = channelFrameBody;
                        boolean nextIsSameChannel;
                        do {
                            received(frameChannel, channelFrame.getFrameBody());
                            nextIsSameChannel = itr.hasNext() && frameChannel == itr.peek().getChannel();
                            if (nextIsSameChannel) {
                                channelFrame = itr.next();
                            }
                        } while (nextIsSameChannel);
                        return null;
                    }, context);
                } else {
                    received(frameChannel, channelFrameBody.getFrameBody());
                }
            }
            cleanExit = true;
        } finally {
            if (!cleanExit) {
                while (itr.hasNext()) {
                    final Object frameBody = itr.next().getFrameBody();
                    if (frameBody instanceof Transfer) {
                        ((Transfer) frameBody).dispose();
                    }
                }
            }
        }
    }
}

Example 27 with Transfer

use of org.apache.qpid.server.protocol.v1_0.type.transport.Transfer in project qpid-broker-j by apache.

the class AbstractReceivingLinkEndpoint method receiveTransfer.

void receiveTransfer(final Transfer transfer) {
    if (!isErrored()) {
        Error error = validateTransfer(transfer);
        if (error != null) {
            transfer.dispose();
            if (_currentDelivery != null) {
                _currentDelivery.discard();
                _currentDelivery = null;
            }
            close(error);
            return;
        }
        if (_currentDelivery == null) {
            error = validateNewTransfer(transfer);
            if (error != null) {
                transfer.dispose();
                close(error);
                return;
            }
            _currentDelivery = new Delivery(transfer, this);
            setLinkCredit(getLinkCredit().subtract(UnsignedInteger.ONE));
            getDeliveryCount().incr();
            getSession().getIncomingDeliveryRegistry().addDelivery(transfer.getDeliveryId(), new UnsettledDelivery(transfer.getDeliveryTag(), this));
        } else {
            error = validateSubsequentTransfer(transfer);
            if (error != null) {
                transfer.dispose();
                _currentDelivery.discard();
                _currentDelivery = null;
                close(error);
                return;
            }
            _currentDelivery.addTransfer(transfer);
        }
        if (_currentDelivery.getTotalPayloadSize() > getSession().getConnection().getMaxMessageSize()) {
            error = new Error(LinkError.MESSAGE_SIZE_EXCEEDED, String.format("delivery '%s' exceeds max-message-size %d", _currentDelivery.getDeliveryTag(), getSession().getConnection().getMaxMessageSize()));
            _currentDelivery.discard();
            _currentDelivery = null;
            close(error);
            return;
        }
        if (!_currentDelivery.getResume()) {
            _unsettled.put(_currentDelivery.getDeliveryTag(), _currentDelivery.getState());
        }
        if (_currentDelivery.isAborted() || (_currentDelivery.getResume() && !_unsettled.containsKey(_currentDelivery.getDeliveryTag()))) {
            _unsettled.remove(_currentDelivery.getDeliveryTag());
            getSession().getIncomingDeliveryRegistry().removeDelivery(_currentDelivery.getDeliveryId());
            _currentDelivery = null;
            setLinkCredit(getLinkCredit().add(UnsignedInteger.ONE));
            getDeliveryCount().decr();
        } else if (_currentDelivery.isComplete()) {
            try {
                if (_currentDelivery.isSettled()) {
                    _unsettled.remove(_currentDelivery.getDeliveryTag());
                    getSession().getIncomingDeliveryRegistry().removeDelivery(_currentDelivery.getDeliveryId());
                }
                error = receiveDelivery(_currentDelivery);
                if (error != null) {
                    close(error);
                }
            } finally {
                _currentDelivery = null;
            }
        }
    } else {
        End end = new End();
        end.setError(new Error(SessionError.ERRANT_LINK, String.format("Received TRANSFER for link handle %s which is in errored state.", transfer.getHandle())));
        getSession().end(end);
    }
}

Example 28 with Transfer

use of org.apache.qpid.server.protocol.v1_0.type.transport.Transfer 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 29 with Transfer

use of org.apache.qpid.server.protocol.v1_0.type.transport.Transfer 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 30 with Transfer

use of org.apache.qpid.server.protocol.v1_0.type.transport.Transfer in project qpid-broker-j by apache.

the class SendingLinkEndpoint method flowStateChanged.

@Override
public void flowStateChanged() {
    if (Boolean.TRUE.equals(getDrain())) {
        if (getLinkCredit().compareTo(UnsignedInteger.ZERO) > 0) {
            _draining = true;
            getSession().notifyWork(getConsumerTarget());
        }
    } else {
        _draining = false;
    }
    while (!_resumeAcceptedTransfers.isEmpty() && hasCreditToSend()) {
        Accepted accepted = new Accepted();
        Transfer xfr = new Transfer();
        Binary dt = _resumeAcceptedTransfers.remove(0);
        xfr.setDeliveryTag(dt);
        xfr.setState(accepted);
        xfr.setResume(Boolean.TRUE);
        transfer(xfr, true);
        xfr.dispose();
    }
    if (_resumeAcceptedTransfers.isEmpty()) {
        getConsumerTarget().flowStateChanged();
    }
}