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

Example 16 with Flow

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

the class AttachTest method attachReceiverWithNullTarget.

@Test
@SpecificationTest(section = "2.6.3", description = "Note that if the application chooses not to create a terminus, the session endpoint will" + " still create a link endpoint and issue an attach indicating that the link endpoint has" + " no associated local terminus. In this case, the session endpoint MUST immediately" + " detach the newly created link endpoint.")
public void attachReceiverWithNullTarget() throws Exception {
    String queueName = "testQueue";
    getBrokerAdmin().createQueue(queueName);
    final InetSocketAddress addr = getBrokerAdmin().getBrokerAddress(BrokerAdmin.PortType.ANONYMOUS_AMQP);
    try (FrameTransport transport = new FrameTransport(addr).connect()) {
        Interaction interaction = transport.newInteraction();
        final Attach responseAttach = interaction.negotiateProtocol().consumeResponse().open().consumeResponse(Open.class).begin().consumeResponse(Begin.class).attachRole(Role.RECEIVER).attachSourceAddress(queueName).attachTarget(null).attach().consumeResponse().getLatestResponse(Attach.class);
        assertThat(responseAttach.getName(), is(notNullValue()));
        assertThat(responseAttach.getHandle().longValue(), is(both(greaterThanOrEqualTo(0L)).and(lessThan(UnsignedInteger.MAX_VALUE.longValue()))));
        assertThat(responseAttach.getRole(), is(Role.SENDER));
        assertThat(responseAttach.getSource(), is(nullValue()));
        assertThat(responseAttach.getTarget(), is(nullValue()));
        final Detach responseDetach = interaction.consumeResponse().getLatestResponse(Detach.class);
        assertThat(responseDetach.getClosed(), is(true));
        assertThat(responseDetach.getError(), is(notNullValue()));
        assertThat(responseDetach.getError().getCondition(), is(equalTo(AmqpError.INVALID_FIELD)));
        final End endResponse = interaction.flowHandleFromLinkHandle().flowEcho(true).flow().consumeResponse().getLatestResponse(End.class);
        assertThat(endResponse.getError(), is(notNullValue()));
    // QPID-7954
    // assertThat(endResponse.getError().getCondition(), is(equalTo(SessionError.ERRANT_LINK)));
    }
}

Example 17 with Flow

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

the class FlowTest method synchronousGetWithTimeoutEmptyQueue.

@Test
@SpecificationTest(section = "2.6.8", description = "Synchronous get with a timeout is accomplished by incrementing the link-credit," + " sending the updated flow state and waiting for the link-credit to be consumed." + " When the desired time has elapsed the receiver then sets the drain flag and sends" + " the newly updated flow state again, while continuing to wait for the link-credit" + " to be consumed.")
public void synchronousGetWithTimeoutEmptyQueue() throws Exception {
    getBrokerAdmin().createQueue(BrokerAdmin.TEST_QUEUE_NAME);
    final InetSocketAddress addr = getBrokerAdmin().getBrokerAddress(BrokerAdmin.PortType.ANONYMOUS_AMQP);
    try (FrameTransport transport = new FrameTransport(addr).connect()) {
        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);
        Attach remoteAttach = interaction.getLatestResponse(Attach.class);
        UnsignedInteger remoteHandle = remoteAttach.getHandle();
        assertThat(remoteHandle, is(notNullValue()));
        Flow responseFlow = interaction.flowIncomingWindow(UnsignedInteger.valueOf(1)).flowNextIncomingId(UnsignedInteger.ZERO).flowLinkCredit(UnsignedInteger.ONE).flowDrain(Boolean.FALSE).flowEcho(Boolean.TRUE).flowHandleFromLinkHandle().flow().consumeResponse().getLatestResponse(Flow.class);
        assertThat(responseFlow.getHandle(), is(equalTo(remoteHandle)));
        assertThat(responseFlow.getLinkCredit(), is(equalTo(UnsignedInteger.ONE)));
        assertThat(responseFlow.getDrain(), is(equalTo(Boolean.FALSE)));
        responseFlow = interaction.flowLinkCredit(UnsignedInteger.ONE).flowDrain(Boolean.TRUE).flowEcho(Boolean.FALSE).flowHandleFromLinkHandle().flow().consumeResponse().getLatestResponse(Flow.class);
        assertThat(responseFlow.getHandle(), is(equalTo(remoteHandle)));
        assertThat(responseFlow.getLinkCredit(), is(equalTo(UnsignedInteger.ZERO)));
    }
}

Example 18 with Flow

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

the class FlowTest method synchronousGetWithTimeoutNonEmptyQueue.

@Test
@SpecificationTest(section = "2.6.8", description = "Synchronous get with a timeout is accomplished by incrementing the link-credit," + " sending the updated flow state and waiting for the link-credit to be consumed." + " When the desired time has elapsed the receiver then sets the drain flag and sends" + " the newly updated flow state again, while continuing to wait for the link-credit" + " to be consumed.")
public void synchronousGetWithTimeoutNonEmptyQueue() throws Exception {
    BrokerAdmin brokerAdmin = getBrokerAdmin();
    brokerAdmin.createQueue(BrokerAdmin.TEST_QUEUE_NAME);
    String messageContent = "Test";
    brokerAdmin.putMessageOnQueue(BrokerAdmin.TEST_QUEUE_NAME, messageContent);
    final InetSocketAddress addr = brokerAdmin.getBrokerAddress(BrokerAdmin.PortType.ANONYMOUS_AMQP);
    try (FrameTransport transport = new FrameTransport(addr).connect()) {
        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);
        Attach remoteAttach = interaction.getLatestResponse(Attach.class);
        UnsignedInteger remoteHandle = remoteAttach.getHandle();
        assertThat(remoteHandle, is(notNullValue()));
        Object receivedMessageContent = interaction.flowIncomingWindow(UnsignedInteger.valueOf(1)).flowNextIncomingId(UnsignedInteger.ZERO).flowLinkCredit(UnsignedInteger.ONE).flowDrain(Boolean.FALSE).flowEcho(Boolean.FALSE).flowHandleFromLinkHandle().flow().receiveDelivery().decodeLatestDelivery().getDecodedLatestDelivery();
        assertThat(receivedMessageContent, is(equalTo(messageContent)));
        assertThat(interaction.getLatestDeliveryId(), is(equalTo(UnsignedInteger.ZERO)));
        Flow responseFlow = interaction.flowNextIncomingId(UnsignedInteger.ONE).flowLinkCredit(UnsignedInteger.ONE).flowDrain(Boolean.TRUE).flowEcho(Boolean.FALSE).flowHandleFromLinkHandle().flow().consumeResponse().getLatestResponse(Flow.class);
        assertThat(responseFlow.getHandle(), is(equalTo(remoteHandle)));
        assertThat(responseFlow.getLinkCredit(), is(equalTo(UnsignedInteger.ZERO)));
    }
}

Example 19 with Flow

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

the class FlowTest method stoppingALink.

@Test
@SpecificationTest(section = "2.6.10", description = "Stopping the transfers on a given link is accomplished by updating the link-credit" + " to be zero and sending the updated flow state. [...]" + " The echo field of the flow frame MAY be used to request the sender’s flow state" + " be echoed back. This MAY be used to determine when the link has finally quiesced.")
public void stoppingALink() throws Exception {
    BrokerAdmin brokerAdmin = getBrokerAdmin();
    brokerAdmin.createQueue(BrokerAdmin.TEST_QUEUE_NAME);
    String messageContent1 = "Test1";
    String messageContent2 = "Test2";
    brokerAdmin.putMessageOnQueue(BrokerAdmin.TEST_QUEUE_NAME, messageContent1);
    brokerAdmin.putMessageOnQueue(BrokerAdmin.TEST_QUEUE_NAME, messageContent2);
    final InetSocketAddress addr = brokerAdmin.getBrokerAddress(BrokerAdmin.PortType.ANONYMOUS_AMQP);
    try (FrameTransport transport = new FrameTransport(addr).connect()) {
        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);
        Attach remoteAttach = interaction.getLatestResponse(Attach.class);
        UnsignedInteger remoteHandle = remoteAttach.getHandle();
        assertThat(remoteHandle, is(notNullValue()));
        Object receivedMessageContent1 = interaction.flowIncomingWindow(UnsignedInteger.valueOf(2)).flowNextIncomingId(UnsignedInteger.ZERO).flowLinkCredit(UnsignedInteger.ONE).flowHandleFromLinkHandle().flow().receiveDelivery().decodeLatestDelivery().getDecodedLatestDelivery();
        assertThat(receivedMessageContent1, is(equalTo(messageContent1)));
        assertThat(interaction.getLatestDeliveryId(), is(equalTo(UnsignedInteger.ZERO)));
        Flow responseFlow = interaction.flowNextIncomingId(UnsignedInteger.ONE).flowLinkCredit(UnsignedInteger.ZERO).flowHandleFromLinkHandle().flowEcho(Boolean.TRUE).flow().consumeResponse().getLatestResponse(Flow.class);
        assertThat(responseFlow.getHandle(), is(equalTo(remoteHandle)));
        assertThat(responseFlow.getLinkCredit(), is(equalTo(UnsignedInteger.ZERO)));
    }
}

Example 20 with Flow

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

the class AbstractLinkEndpoint method sendFlow.

private void sendFlow(boolean echo) {
    if (_state == State.ATTACHED || _state == State.ATTACH_SENT) {
        Flow flow = new Flow();
        flow.setDeliveryCount(_deliveryCount.unsignedIntegerValue());
        flow.setEcho(echo);
        if (_stopped) {
            flow.setLinkCredit(UnsignedInteger.ZERO);
            flow.setDrain(true);
            _lastSentCreditLimit = _deliveryCount.unsignedIntegerValue();
        } else {
            flow.setLinkCredit(_linkCredit);
            _lastSentCreditLimit = _linkCredit.add(_deliveryCount.unsignedIntegerValue());
            flow.setDrain(_drain);
        }
        flow.setAvailable(_available);
        flow.setHandle(getLocalHandle());
        getSession().sendFlow(flow);
    }
}