Examples with Received org.apache.qpid.server.protocol.v1_0.type.messaging.Received used on opensource projects

Example 6 with Received

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

the class AbstractLinkEndpoint method receiveAttach.

@Override
public void receiveAttach(final Attach attach) throws AmqpErrorException {
    _errored = false;
    boolean isAttachingRemoteTerminusNull = (attach.getRole() == Role.SENDER ? attach.getSource() == null : attach.getTarget() == null);
    boolean isAttachingLocalTerminusNull = (attach.getRole() == Role.SENDER ? attach.getTarget() == null : attach.getSource() == null);
    boolean isLocalTerminusNull = (attach.getRole() == Role.SENDER ? getTarget() == null : getSource() == null);
    if (isAttachingRemoteTerminusNull) {
        throw new AmqpErrorException(AmqpError.INVALID_FIELD, "received Attach with remote null terminus.");
    }
    if (isAttachingLocalTerminusNull) {
        recoverLink(attach);
    } else if (isLocalTerminusNull) {
        establishLink(attach);
    } else if (attach.getUnsettled() != null) {
        // TODO: QPID-7845 : Functionality for resuming links is not fully implemented
        if (attach.getUnsettled().isEmpty()) {
            resumeLink(attach);
        } else {
            throw new AmqpErrorException(new Error(AmqpError.NOT_IMPLEMENTED, "Resuming link is not implemented."));
        }
    } else {
        reattachLink(attach);
    }
}

Example 7 with Received

use of org.apache.qpid.server.protocol.v1_0.type.messaging.Received 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 8 with Received

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

the class TxnCoordinatorReceivingLinkEndpoint method receiveDelivery.

@Override
protected Error receiveDelivery(Delivery delivery) {
    // Only interested in the amqp-value section that holds the message to the coordinator
    try (QpidByteBuffer payload = delivery.getPayload()) {
        List<EncodingRetainingSection<?>> sections = getSectionDecoder().parseAll(payload);
        boolean amqpValueSectionFound = false;
        for (EncodingRetainingSection section : sections) {
            try {
                if (section instanceof AmqpValueSection) {
                    if (amqpValueSectionFound) {
                        throw new ConnectionScopedRuntimeException("Received more than one AmqpValue sections");
                    }
                    amqpValueSectionFound = true;
                    Object command = section.getValue();
                    Session_1_0 session = getSession();
                    AMQPConnection_1_0<?> connection = session.getConnection();
                    connection.receivedComplete();
                    if (command instanceof Declare) {
                        final IdentifiedTransaction txn = connection.createIdentifiedTransaction();
                        _createdTransactions.put(txn.getId(), txn.getServerTransaction());
                        long notificationRepeatPeriod = getSession().getContextValue(Long.class, Session.TRANSACTION_TIMEOUT_NOTIFICATION_REPEAT_PERIOD);
                        connection.registerTransactionTickers(txn.getServerTransaction(), this::doTimeoutAction, notificationRepeatPeriod);
                        Declared state = new Declared();
                        state.setTxnId(Session_1_0.integerToTransactionId(txn.getId()));
                        updateDisposition(delivery.getDeliveryTag(), state, true);
                    } else if (command instanceof Discharge) {
                        Discharge discharge = (Discharge) command;
                        Error error = discharge(discharge.getTxnId(), Boolean.TRUE.equals(discharge.getFail()));
                        final DeliveryState outcome;
                        if (error == null) {
                            outcome = new Accepted();
                        } else if (Arrays.asList(getSource().getOutcomes()).contains(Rejected.REJECTED_SYMBOL)) {
                            final Rejected rejected = new Rejected();
                            rejected.setError(error);
                            outcome = rejected;
                            error = null;
                        } else {
                            outcome = null;
                        }
                        if (error == null) {
                            updateDisposition(delivery.getDeliveryTag(), outcome, true);
                        }
                        return error;
                    } else {
                        throw new ConnectionScopedRuntimeException(String.format("Received unknown command '%s'", command.getClass().getSimpleName()));
                    }
                }
            } finally {
                section.dispose();
            }
        }
        if (!amqpValueSectionFound) {
            throw new ConnectionScopedRuntimeException("Received no AmqpValue section");
        }
    } catch (AmqpErrorException e) {
        return e.getError();
    }
    return null;
}

Example 9 with Received

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

the class FrameHandler method parse.

@Override
public ProtocolHandler parse(QpidByteBuffer in) {
    try {
        LOGGER.debug("RECV {} bytes", in.remaining());
        Error frameParsingError = null;
        int size;
        int remaining;
        List<ChannelFrameBody> channelFrameBodies = new ArrayList<>();
        while ((remaining = in.remaining()) >= 8 && frameParsingError == null) {
            size = in.getInt();
            if (size < 8) {
                frameParsingError = createFramingError("specified frame size %d smaller than minimum frame header size %d", size, 8);
                break;
            }
            if (size > _connectionHandler.getMaxFrameSize()) {
                frameParsingError = createFramingError("specified frame size %d larger than maximum frame header size %d", size, _connectionHandler.getMaxFrameSize());
                break;
            }
            if (remaining < size) {
                in.position(in.position() - 4);
                break;
            }
            int dataOffset = (in.get() << 2) & 0x3FF;
            if (dataOffset < 8) {
                frameParsingError = createFramingError("specified frame data offset %d smaller than minimum frame header size %d", dataOffset, 8);
                break;
            }
            if (dataOffset > size) {
                frameParsingError = createFramingError("specified frame data offset %d larger than the frame size %d", dataOffset, size);
                break;
            }
            byte type = in.get();
            switch(type) {
                case 0:
                    if (_isSasl) {
                        frameParsingError = createFramingError("received an AMQP frame type when expecting an SASL frame");
                    }
                    break;
                case 1:
                    if (!_isSasl) {
                        frameParsingError = createFramingError("received a SASL frame type when expecting an AMQP frame");
                    }
                    break;
                default:
                    frameParsingError = createFramingError("unknown frame type: %d", type);
            }
            if (frameParsingError != null) {
                break;
            }
            int channel = in.getUnsignedShort();
            if (dataOffset != 8) {
                in.position(in.position() + dataOffset - 8);
            }
            try (QpidByteBuffer dup = in.slice()) {
                dup.limit(size - dataOffset);
                in.position(in.position() + size - dataOffset);
                final boolean hasFrameBody = dup.hasRemaining();
                Object frameBody;
                if (hasFrameBody) {
                    frameBody = _valueHandler.parse(dup);
                    if (dup.hasRemaining()) {
                        if (frameBody instanceof Transfer) {
                            try (QpidByteBuffer payload = dup.slice()) {
                                ((Transfer) frameBody).setPayload(payload);
                            }
                        } else {
                            frameParsingError = createFramingError("Frame length %d larger than contained frame body %s.", size, frameBody);
                            break;
                        }
                    }
                } else {
                    frameBody = null;
                    if (_isSasl) {
                        frameParsingError = createFramingError("Empty (heartbeat) frames are not permitted during SASL negotiation");
                        break;
                    }
                }
                channelFrameBodies.add(new ChannelFrameBody() {

                    @Override
                    public int getChannel() {
                        return channel;
                    }

                    @Override
                    public Object getFrameBody() {
                        return frameBody;
                    }
                });
                if (_isSasl) {
                    break;
                }
            } catch (AmqpErrorException ex) {
                frameParsingError = ex.getError();
            }
        }
        if (frameParsingError != null) {
            _connectionHandler.handleError(frameParsingError);
            _errored = true;
        } else {
            _connectionHandler.receive(channelFrameBodies);
        }
    } catch (RuntimeException e) {
        if (e instanceof ServerScopedRuntimeException) {
            throw e;
        }
        LOGGER.warn("Unexpected exception handling frame", e);
        // This exception is unexpected. The up layer should handle error condition gracefully
        _connectionHandler.handleError(this.createError(AmqpError.INTERNAL_ERROR, e.toString()));
    }
    return this;
}

Example 10 with Received

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

the class AMQPConnection_1_0Impl method received.

private void received(int channel, Object val) {
    if (channel > getChannelMax()) {
        Error error = new Error(ConnectionError.FRAMING_ERROR, String.format("specified channel %d larger than maximum channel %d", channel, getChannelMax()));
        handleError(error);
        return;
    }
    FRAME_LOGGER.debug("RECV[{}|{}] : {}", _remoteAddress, channel, val);
    if (val instanceof FrameBody) {
        ((FrameBody) val).invoke(channel, this);
    } else if (val instanceof SaslFrameBody) {
        ((SaslFrameBody) val).invoke(channel, this);
    }
}