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

Example 21 with Flow

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

the class SendingLinkEndpoint method receiveFlow.

@Override
public void receiveFlow(final Flow flow) {
    UnsignedInteger receiverDeliveryCount = flow.getDeliveryCount();
    UnsignedInteger receiverLinkCredit = flow.getLinkCredit();
    setDrain(flow.getDrain());
    Map<Symbol, Object> properties = flow.getProperties();
    if (properties != null) {
        final Binary transactionId = (Binary) properties.get(Symbol.valueOf("txn-id"));
        if (transactionId != null) {
            try {
                getSession().getTransaction(transactionId);
            } catch (UnknownTransactionException e) {
                close(new Error(TransactionError.UNKNOWN_ID, e.getMessage()));
                return;
            }
        }
        _transactionId = transactionId;
    }
    if (receiverDeliveryCount == null) {
        setLinkCredit(receiverLinkCredit);
    } else {
        // 2.6.7 Flow Control : link_credit_snd := delivery_count_rcv + link_credit_rcv - delivery_count_snd
        UnsignedInteger limit = receiverDeliveryCount.add(receiverLinkCredit);
        if (limit.compareTo(getDeliveryCount().unsignedIntegerValue()) <= 0) {
            setLinkCredit(UnsignedInteger.valueOf(0));
        } else {
            setLinkCredit(limit.subtract(getDeliveryCount().unsignedIntegerValue()));
        }
    }
    // send flow when echo=true or drain=true but link credit is zero
    boolean sendFlow = Boolean.TRUE.equals(flow.getEcho()) || (Boolean.TRUE.equals(flow.getDrain()) && getLinkCredit().equals(UnsignedInteger.ZERO));
    flowStateChanged();
    if (sendFlow) {
        sendFlow();
    }
}

Example 22 with Flow

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

the class Session_1_0 method receiveFlow.

public void receiveFlow(final Flow flow) {
    receivedComplete();
    final SequenceNumber flowNextIncomingId = new SequenceNumber(flow.getNextIncomingId() == null ? _initialOutgoingId.intValue() : flow.getNextIncomingId().intValue());
    if (flowNextIncomingId.compareTo(_nextOutgoingId) > 0) {
        final End end = new End();
        end.setError(new Error(SessionError.WINDOW_VIOLATION, String.format("Next incoming id '%d' exceeds next outgoing id '%d'", flowNextIncomingId.longValue(), _nextOutgoingId.longValue())));
        end(end);
    } else {
        _remoteIncomingWindow = flowNextIncomingId.longValue() + flow.getIncomingWindow().longValue() - _nextOutgoingId.longValue();
        _nextIncomingId = new SequenceNumber(flow.getNextOutgoingId().intValue());
        _remoteOutgoingWindow = flow.getOutgoingWindow();
        UnsignedInteger handle = flow.getHandle();
        if (handle != null) {
            final LinkEndpoint<? extends BaseSource, ? extends BaseTarget> endpoint = _inputHandleToEndpoint.get(handle);
            if (endpoint == null) {
                End end = new End();
                end.setError(new Error(SessionError.UNATTACHED_HANDLE, String.format("Received Flow with unknown handle %d", handle.intValue())));
                end(end);
            } else {
                endpoint.receiveFlow(flow);
            }
        } else {
            final Collection<LinkEndpoint<? extends BaseSource, ? extends BaseTarget>> allLinkEndpoints = _inputHandleToEndpoint.values();
            for (LinkEndpoint<? extends BaseSource, ? extends BaseTarget> le : allLinkEndpoints) {
                le.flowStateChanged();
            }
            if (Boolean.TRUE.equals(flow.getEcho())) {
                sendFlow();
            }
        }
    }
}

Example 23 with Flow

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

the class FilterTest method selectorFilter.

@Test
@BrokerSpecific(kind = KIND_BROKER_J)
@SpecificationTest(section = "3.5.1", description = "A source can restrict the messages transferred from a source by specifying a filter.")
public void selectorFilter() throws Exception {
    try (FrameTransport transport = new FrameTransport(_brokerAddress).connect()) {
        final Interaction interaction = transport.newInteraction();
        interaction.negotiateProtocol().consumeResponse().open().consumeResponse(Open.class).begin().consumeResponse(Begin.class).attachRole(Role.SENDER).attachTargetAddress(BrokerAdmin.TEST_QUEUE_NAME).attach().consumeResponse(Attach.class).consumeResponse(Flow.class);
        Flow flow = interaction.getLatestResponse(Flow.class);
        assumeThat("insufficient credit for the test", flow.getLinkCredit().intValue(), is(greaterThan(1)));
        for (int i = 0; i < 2; i++) {
            QpidByteBuffer payload = generateMessagePayloadWithApplicationProperties(Collections.singletonMap("index", i), TEST_MESSAGE_CONTENT);
            interaction.transferPayload(payload).transferSettled(true).transfer();
        }
        interaction.detachClose(true).detach().close().sync();
    }
    try (FrameTransport transport = new FrameTransport(_brokerAddress).connect()) {
        final Interaction interaction = transport.newInteraction();
        interaction.negotiateProtocol().consumeResponse().open().consumeResponse(Open.class).begin().consumeResponse(Begin.class).attachRole(Role.RECEIVER).attachSourceAddress(BrokerAdmin.TEST_QUEUE_NAME).attachRcvSettleMode(ReceiverSettleMode.FIRST).attachSourceFilter(Collections.singletonMap(Symbol.valueOf("selector-filter"), new JMSSelectorFilter("index=1"))).attach().consumeResponse().flowIncomingWindow(UnsignedInteger.ONE).flowNextIncomingId(UnsignedInteger.ZERO).flowOutgoingWindow(UnsignedInteger.ZERO).flowNextOutgoingId(UnsignedInteger.ZERO).flowLinkCredit(UnsignedInteger.ONE).flowHandleFromLinkHandle().flow();
        Object data = interaction.receiveDelivery().decodeLatestDelivery().getDecodedLatestDelivery();
        assertThat(data, is(equalTo(TEST_MESSAGE_CONTENT)));
        Map<String, Object> applicationProperties = interaction.getLatestDeliveryApplicationProperties();
        assertThat(applicationProperties, is(notNullValue()));
        assertThat(applicationProperties.get("index"), is(equalTo(1)));
        interaction.dispositionSettled(true).dispositionRole(Role.RECEIVER).dispositionState(new Accepted()).disposition();
        interaction.close().sync();
    }
}

Example 24 with Flow

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

the class TransactionTimeoutTest method transactionalRetirementTimeout.

@Test
public void transactionalRetirementTimeout() throws Exception {
    getBrokerAdmin().putMessageOnQueue(BrokerAdmin.TEST_QUEUE_NAME, TEST_MESSAGE_CONTENT);
    try (FrameTransport transport = new FrameTransport(_brokerAddress).connect()) {
        final Interaction interaction = transport.newInteraction();
        final InteractionTransactionalState txnState = interaction.createTransactionalState(UnsignedInteger.ZERO);
        interaction.negotiateProtocol().consumeResponse().open().consumeResponse(Open.class).begin().consumeResponse(Begin.class).txnAttachCoordinatorLink(txnState).txnDeclare(txnState).attachRole(Role.RECEIVER).attachHandle(UnsignedInteger.ONE).attachSourceAddress(BrokerAdmin.TEST_QUEUE_NAME).attachRcvSettleMode(ReceiverSettleMode.FIRST).attach().consumeResponse(Attach.class).flowIncomingWindow(UnsignedInteger.MAX_VALUE).flowNextIncomingId(UnsignedInteger.ZERO).flowOutgoingWindow(UnsignedInteger.ZERO).flowNextOutgoingId(UnsignedInteger.ZERO).flowLinkCredit(UnsignedInteger.MAX_VALUE).flowHandleFromLinkHandle().flow().receiveDelivery().decodeLatestDelivery();
        Object data = interaction.getDecodedLatestDelivery();
        assertThat(data, is(equalTo(TEST_MESSAGE_CONTENT)));
        interaction.dispositionSettled(true).dispositionRole(Role.RECEIVER).dispositionTransactionalState(txnState.getCurrentTransactionId(), new Accepted()).disposition().sync();
        Response<?> response = interaction.consumeResponse(Close.class, Flow.class).getLatestResponse();
        Close responseClose;
        if (response.getBody() instanceof Close) {
            responseClose = (Close) response.getBody();
        } else {
            responseClose = interaction.consumeResponse().getLatestResponse(Close.class);
        }
        assertThat(responseClose.getError(), is(Matchers.notNullValue()));
        assertThat(responseClose.getError().getCondition(), equalTo(TransactionError.TRANSACTION_TIMEOUT));
    }
}

Example 25 with Flow

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

the class OutcomeTest method modifiedOutcomeWithUndeliverableHere.

@Test
@SpecificationTest(section = "3.4.5", description = "If the undeliverable-here is set, then any messages released" + " MUST NOT be redelivered to the modifying link endpoint.")
public void modifiedOutcomeWithUndeliverableHere() throws Exception {
    getBrokerAdmin().putMessageOnQueue(BrokerAdmin.TEST_QUEUE_NAME, "message1");
    getBrokerAdmin().putMessageOnQueue(BrokerAdmin.TEST_QUEUE_NAME, "message2");
    try (FrameTransport transport = new FrameTransport(_brokerAddress).connect()) {
        final Interaction interaction = transport.newInteraction().negotiateProtocol().consumeResponse().open().consumeResponse(Open.class).begin().consumeResponse(Begin.class).attachRole(Role.RECEIVER).attachSourceAddress(BrokerAdmin.TEST_QUEUE_NAME).attach().consumeResponse(Attach.class).flowIncomingWindow(UnsignedInteger.ONE).flowLinkCredit(UnsignedInteger.ONE).flowHandleFromLinkHandle().flow().receiveDelivery().decodeLatestDelivery();
        Object firstDeliveryPayload = interaction.getDecodedLatestDelivery();
        assertThat(firstDeliveryPayload, is(equalTo("message1")));
        Modified modifiedOutcome = new Modified();
        modifiedOutcome.setUndeliverableHere(Boolean.TRUE);
        interaction.dispositionSettled(true).dispositionRole(Role.RECEIVER).dispositionFirstFromLatestDelivery().dispositionState(modifiedOutcome).disposition().flowIncomingWindow(UnsignedInteger.valueOf(2)).flowLinkCredit(UnsignedInteger.valueOf(2)).flowNextIncomingIdFromLatestDelivery().flow().receiveDelivery().decodeLatestDelivery();
        Object secondDeliveryPayload = interaction.getDecodedLatestDelivery();
        assertThat(secondDeliveryPayload, is(equalTo("message2")));
        // verify that no unexpected performative is received by closing
        interaction.doCloseConnection();
    }
}