Examples with POSendMessage com.swiftmq.amqp.v100.client.po.POSendMessage used on opensource projects

Example 1 with POSendMessage

use of com.swiftmq.amqp.v100.client.po.POSendMessage in project swiftmq-client by iitsoftware.

the class SessionDispatcher method doSend.

private void doSend(POSendMessage po) {
    if (pTracer.isEnabled())
        pTracer.trace(toString(), ", doSend, po=" + po + ", dataLength=" + po.getPackager().getSize());
    try {
        Producer producer = po.getProducer();
        producer.verifyState();
        Packager packager = po.getPackager();
        if (remoteIncomingWindow > 0 && outgoingWindow > 0) {
            do {
                boolean wasFirstPacket = false;
                boolean isAtMostOnce = producer.getQoS() == QoS.AT_MOST_ONCE;
                packager.setMaxFrameSize(mySession.myConnection.connectionDispatcher.getMaxFrameSize());
                TransferFrame frame = new TransferFrame(mySession.getChannel());
                frame.setHandle(new Handle(producer.getHandle()));
                frame.setSettled(new AMQPBoolean(isAtMostOnce));
                if (packager.getCurrentPacketNumber() == 0) {
                    long dId = nextDeliveryId();
                    wasFirstPacket = true;
                    producer.incDeliveryCountSnd();
                    DeliveryTag deliveryTag = po.getDeliveryTag() != null ? po.getDeliveryTag() : producer.createDeliveryTag();
                    if (!isAtMostOnce) {
                        if (po.getTxnId() == null && !po.isRecovery())
                            producer.getDeliveryMemory().addUnsettledDelivery(new UnsettledDelivery(deliveryTag, null, po.getMessage()));
                        unsettledOutgoingDeliveries.put(dId, new DeliveryMapping(deliveryTag, producer));
                    }
                    frame.setDeliveryTag(deliveryTag);
                    frame.setDeliveryId(new DeliveryNumber(dId));
                    frame.setMessageFormat(new MessageFormat(0));
                    TxnIdIF txnId = po.getTxnId();
                    if (txnId != null) {
                        TransactionalState txState = new TransactionalState();
                        txState.setTxnId(txnId);
                        frame.setState(txState);
                    }
                }
                packager.setMessageFormat(0);
                packager.getNextPacket(frame);
                // We may increase the outgoing window and send a flow before
                if (wasFirstPacket && outgoingWindow - packager.getPredictedNumberPackets() < 0) {
                    outgoingWindow += packager.getPredictedNumberPackets();
                    sendFlow();
                    windowChanged = true;
                }
                if (pTracer.isEnabled())
                    pTracer.trace(toString(), ", doSend, remoteIncomingWindows=" + remoteIncomingWindow + ", outgoingWindow=" + outgoingWindow + ", sending message, wasFirstPacket=" + wasFirstPacket + ", maxSize=" + packager.getMaxPayloadLength() + ", packetSize=" + frame.getPayload().length + ", predictedNumberPackets=" + packager.getPredictedNumberPackets() + ", currentPacket=" + packager.getCurrentPacketNumber() + ", hasMore=" + packager.hasMore());
                outboundHandler.send(frame);
                nextOutgoingId++;
                remoteIncomingWindow--;
                if (!isAtMostOnce)
                    outgoingWindow--;
                if (!packager.hasMore()) {
                    // b) everything else: after the last packet has been sent
                    if (producer.isTransactionController() || po.getTxnId() != null)
                        producer.setWaitingPO(po);
                    else {
                        po.setSuccess(true);
                        if (po.getSemaphore() != null)
                            po.getSemaphore().notifySingleWaiter();
                    }
                    // If that was the last packet and outgoing window was increased for this message, we need to reset it and send another flow
                    if (windowChanged) {
                        outgoingWindow = mySession.getOutgoingWindowSize();
                        sendFlow();
                    }
                    break;
                }
            } while (remoteIncomingWindow > 0 && outgoingWindow > 0);
            if (packager.hasMore()) {
                if (pTracer.isEnabled())
                    pTracer.trace(toString(), ", doSend, remoteIncomingWindows=" + remoteIncomingWindow + ", outgoingWindow=" + outgoingWindow + ", has more but no window, storing message");
                outboundDeliveries.add(po);
            }
        } else {
            if (pTracer.isEnabled())
                pTracer.trace(toString(), ", doSend, po=" + po + ", remoteIncomingWindows=" + remoteIncomingWindow + ", outgoingWindow=" + outgoingWindow + ", no window, storing message");
            outboundDeliveries.add(po);
        }
    } catch (Exception e) {
        po.setSuccess(false);
        po.setException(e.getMessage());
        if (po.getSemaphore() != null)
            po.getSemaphore().notifySingleWaiter();
    }
}

Example 2 with POSendMessage

use of com.swiftmq.amqp.v100.client.po.POSendMessage in project swiftmq-client by iitsoftware.

the class SessionDispatcher method settleOutbound.

private void settleOutbound(long from, long to, boolean settled, DeliveryStateIF deliveryState) {
    if (from <= to) {
        long current = from;
        while (current <= to) {
            DeliveryMapping deliveryMapping = unsettledOutgoingDeliveries.remove(current);
            if (deliveryMapping != null) {
                deliveryMapping.link.getDeliveryMemory().deliverySettled(deliveryMapping.deliveryTag);
                if (deliveryMapping.link.getWaitingPO() != null) {
                    POSendMessage po = (POSendMessage) deliveryMapping.link.getWaitingPO();
                    po.setSuccess(true);
                    po.setDeliveryState(deliveryState);
                    po.getSemaphore().notifySingleWaiter();
                    deliveryMapping.link.setWaitingPO(null);
                }
                // If there is a close waiting on that link, dispatch it when there are no more unsettled deliveries
                if (deliveryMapping.link.getDeliveryMemory().getNumberUnsettled() == 0 && deliveryMapping.link.getWaitingClosePO() != null) {
                    dispatch(deliveryMapping.link.getWaitingClosePO());
                    deliveryMapping.link.setWaitingClosePO(null);
                }
            }
            current++;
            outgoingWindow++;
        }
        if (deliveryState != null) {
            if (!settled && deliveryState instanceof Accepted) {
                DispositionFrame dispoFrame = new DispositionFrame(mySession.getChannel());
                dispoFrame.setRole(Role.SENDER);
                dispoFrame.setFirst(new DeliveryNumber(from));
                dispoFrame.setLast(new DeliveryNumber(to));
                dispoFrame.setSettled(AMQPBoolean.TRUE);
                dispoFrame.setState(new Accepted());
                outboundHandler.send(dispoFrame);
            }
        }
    } else {
    // TODO: error
    }
}

Example 3 with POSendMessage

use of com.swiftmq.amqp.v100.client.po.POSendMessage in project swiftmq-client by iitsoftware.

the class Producer method send.

/**
 * Send a message to the target. For transactional sends the method returns after settlement has been finished, otherwise when the message has been sent.
 *
 * @param msg        message
 * @param persistent whether the message should send/stored durable
 * @param priority   message priority (default is 5)
 * @param ttl        time to live (expiration) in milliseconds, default no expiration
 * @return delivery state of the message
 * @throws AMQPException on error
 */
public DeliveryStateIF send(AMQPMessage msg, boolean persistent, int priority, long ttl) throws AMQPException {
    verifyState();
    Header header = msg.getHeader();
    if (header == null) {
        header = new Header();
        msg.setHeader(header);
    }
    header.setDurable(new AMQPBoolean(persistent));
    header.setPriority(new AMQPUnsignedByte(priority));
    if (ttl >= 0)
        header.setTtl(new Milliseconds(ttl));
    Properties props = msg.getProperties();
    if (props == null) {
        props = new Properties();
        msg.setProperties(props);
    }
    if (props.getMessageId() == null)
        props.setMessageId(new MessageIdString(nextMsgId()));
    props.setTo(new AddressString(target));
    String userName = mySession.myConnection.getUserName();
    if (userName != null)
        props.setUserId(new AMQPBinary(userName.getBytes()));
    Semaphore sem = new Semaphore();
    try {
        POSendMessage po = new POSendMessage(sem, this, msg, msg.getTxnIdIF(), msg.getDeliveryTag());
        mySession.dispatch(po);
        sem.waitHere();
        if (!po.isSuccess())
            throw new AMQPException(po.getException());
        return po.getDeliveryState();
    } catch (Exception e) {
        e.printStackTrace();
        throw new AMQPException(e.toString());
    }
}

Example 4 with POSendMessage

use of com.swiftmq.amqp.v100.client.po.POSendMessage in project swiftmq-client by iitsoftware.

the class Producer method recover.

protected void recover(AMQPMap remoteUnsettled) {
    try {
        if (remoteUnsettled != null) {
            Map<AMQPType, AMQPType> map = remoteUnsettled.getValue();
            for (Iterator iter = map.entrySet().iterator(); iter.hasNext(); ) {
                Map.Entry entry = (Map.Entry) iter.next();
                final DeliveryTag deliveryTag = new DeliveryTag(((AMQPBinary) entry.getKey()).getValue());
                final AMQPList deliveryState = (AMQPList) entry.getValue();
                if (deliveryState != null) {
                    try {
                        DeliveryStateFactory.create(deliveryState).accept(new DeliveryStateVisitorAdapter() {

                            public void visit(Accepted impl) {
                                deliveryMemory.deliverySettled(deliveryTag);
                                mySession.dispatch(new POSendResumedTransfer(Producer.this, deliveryTag));
                            }
                        });
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
            }
        }
        if (deliveryMemory.getNumberUnsettled() > 0) {
            Collection<UnsettledDelivery> unsettled = deliveryMemory.getUnsettled();
            for (Iterator<UnsettledDelivery> iter = unsettled.iterator(); iter.hasNext(); ) {
                UnsettledDelivery unsettledDelivery = iter.next();
                if (unsettledDelivery.getMessage() != null) {
                    AMQPMessage msg = unsettledDelivery.getMessage();
                    if (msg.getTxnIdIF() == null) {
                        POSendMessage po = new POSendMessage(null, this, msg, null, unsettledDelivery.getDeliveryTag());
                        po.setRecovery(true);
                        mySession.dispatch(po);
                    }
                }
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
}