Examples with ConfigurationChangeListener org.apache.qpid.server.model.ConfigurationChangeListener used on opensource projects

Example 1 with ConfigurationChangeListener

use of org.apache.qpid.server.model.ConfigurationChangeListener in project qpid-broker-j by apache.

the class BDBHAVirtualHostNodeTest method testIntruderProtectionInManagementMode.

public void testIntruderProtectionInManagementMode() throws Exception {
    int nodePortNumber = _portHelper.getNextAvailable();
    int intruderPortNumber = _portHelper.getNextAvailable();
    String helperAddress = "localhost:" + nodePortNumber;
    String groupName = "group";
    String nodeName = "node";
    Map<String, Object> nodeAttributes = _helper.createNodeAttributes(nodeName, groupName, helperAddress, helperAddress, nodeName, nodePortNumber);
    BDBHAVirtualHostNode<?> node = _helper.createAndStartHaVHN(nodeAttributes);
    final CountDownLatch stopLatch = new CountDownLatch(1);
    ConfigurationChangeListener listener = new AbstractConfigurationChangeListener() {

        @Override
        public void stateChanged(ConfiguredObject<?> object, State oldState, State newState) {
            if (newState == State.ERRORED) {
                stopLatch.countDown();
            }
        }
    };
    node.addChangeListener(listener);
    File environmentPathFile = new File(_helper.getMessageStorePath() + File.separator + "intruder");
    Durability durability = Durability.parse((String) nodeAttributes.get(BDBHAVirtualHostNode.DURABILITY));
    joinIntruder(intruderPortNumber, "intruder", groupName, helperAddress, durability, environmentPathFile);
    LOGGER.debug("Permitted and intruder nodes are created");
    assertTrue("Intruder protection was not triggered during expected timeout", stopLatch.await(10, TimeUnit.SECONDS));
    LOGGER.debug("Master node transited into ERRORED state due to intruder protection");
    when(_helper.getBroker().isManagementMode()).thenReturn(true);
    LOGGER.debug("Starting node in management mode");
    final CountDownLatch stateChangeLatch = new CountDownLatch(1);
    final CountDownLatch roleChangeLatch = new CountDownLatch(1);
    node.addChangeListener(new AbstractConfigurationChangeListener() {

        @Override
        public void stateChanged(final ConfiguredObject<?> object, final State oldState, final State newState) {
            if (newState == State.ERRORED) {
                stateChangeLatch.countDown();
            }
        }

        @Override
        public void attributeSet(final ConfiguredObject<?> object, final String attributeName, final Object oldAttributeValue, final Object newAttributeValue) {
            if (BDBHAVirtualHostNode.ROLE.equals(attributeName) && NodeRole.DETACHED.equals(NodeRole.DETACHED)) {
                roleChangeLatch.countDown();
            }
        }
    });
    node.start();
    LOGGER.debug("Node is started");
    // verify that intruder detection is triggered after restart and environment is closed
    assertTrue("Node state was not set to ERRORED", stateChangeLatch.await(10, TimeUnit.SECONDS));
    assertTrue("Node role was not set to DETACHED", roleChangeLatch.await(10, TimeUnit.SECONDS));
}

Example 2 with ConfigurationChangeListener

use of org.apache.qpid.server.model.ConfigurationChangeListener in project qpid-broker-j by apache.

the class BDBHAVirtualHostNodeTest method testIntruderConnected.

public void testIntruderConnected() throws Exception {
    int node1PortNumber = _portHelper.getNextAvailable();
    int node2PortNumber = _portHelper.getNextAvailable();
    String helperAddress = "localhost:" + node1PortNumber;
    String groupName = "group";
    String nodeName = "node1";
    Map<String, Object> node1Attributes = _helper.createNodeAttributes(nodeName, groupName, helperAddress, helperAddress, nodeName, node1PortNumber);
    BDBHAVirtualHostNode<?> node1 = _helper.createAndStartHaVHN(node1Attributes);
    final CountDownLatch stopLatch = new CountDownLatch(1);
    ConfigurationChangeListener listener = new AbstractConfigurationChangeListener() {

        @Override
        public void stateChanged(ConfiguredObject<?> object, State oldState, State newState) {
            if (newState == State.ERRORED) {
                stopLatch.countDown();
            }
        }
    };
    node1.addChangeListener(listener);
    String node2Name = "node2";
    File environmentPathFile = new File(_helper.getMessageStorePath() + File.separator + node2Name);
    Durability durability = Durability.parse((String) node1Attributes.get(BDBHAVirtualHostNode.DURABILITY));
    joinIntruder(node2PortNumber, node2Name, groupName, helperAddress, durability, environmentPathFile);
    assertTrue("Intruder protection was not triggered during expected timeout", stopLatch.await(20, TimeUnit.SECONDS));
}

Example 3 with ConfigurationChangeListener

use of org.apache.qpid.server.model.ConfigurationChangeListener in project qpid-broker-j by apache.

the class BDBHAVirtualHostNodeTest method testNodeCannotStartWithIntruder.

public void testNodeCannotStartWithIntruder() throws Exception {
    int nodePortNumber = _portHelper.getNextAvailable();
    int intruderPortNumber = _portHelper.getNextAvailable();
    String helperAddress = "localhost:" + nodePortNumber;
    String groupName = "group";
    String nodeName = "node";
    Map<String, Object> node1Attributes = _helper.createNodeAttributes(nodeName, groupName, helperAddress, helperAddress, nodeName, nodePortNumber);
    BDBHAVirtualHostNode<?> node = _helper.createAndStartHaVHN(node1Attributes);
    final CountDownLatch stopLatch = new CountDownLatch(1);
    ConfigurationChangeListener listener = new AbstractConfigurationChangeListener() {

        @Override
        public void stateChanged(ConfiguredObject<?> object, State oldState, State newState) {
            if (newState == State.ERRORED) {
                stopLatch.countDown();
            }
        }
    };
    node.addChangeListener(listener);
    File environmentPathFile = new File(_helper.getMessageStorePath() + File.separator + "intruder");
    Durability durability = Durability.parse((String) node1Attributes.get(BDBHAVirtualHostNode.DURABILITY));
    joinIntruder(intruderPortNumber, "intruder", groupName, helperAddress, durability, environmentPathFile);
    assertTrue("Intruder protection was not triggered during expected timeout", stopLatch.await(10, TimeUnit.SECONDS));
    final CountDownLatch stateChangeLatch = new CountDownLatch(1);
    final CountDownLatch roleChangeLatch = new CountDownLatch(1);
    node.addChangeListener(new AbstractConfigurationChangeListener() {

        @Override
        public void stateChanged(final ConfiguredObject<?> object, final State oldState, final State newState) {
            if (newState == State.ERRORED) {
                stateChangeLatch.countDown();
            }
        }

        @Override
        public void attributeSet(final ConfiguredObject<?> object, final String attributeName, final Object oldAttributeValue, final Object newAttributeValue) {
            if (BDBHAVirtualHostNode.ROLE.equals(attributeName) && NodeRole.DETACHED.equals(NodeRole.DETACHED)) {
                roleChangeLatch.countDown();
            }
        }
    });
    // Try top re start the ERRORED node and ensure exception is thrown
    try {
        node.start();
        fail("Restart of node should have thrown exception");
    } catch (IllegalStateException ise) {
        assertEquals("Unexpected exception when restarting node post intruder detection", "Intruder node detected: " + "localhost:" + intruderPortNumber, ise.getMessage());
    }
    // verify that intruder detection is triggered after restart and environment is closed
    assertTrue("Node state was not set to ERRORED", stateChangeLatch.await(10, TimeUnit.SECONDS));
    assertTrue("Node role was not set to DETACHED", roleChangeLatch.await(10, TimeUnit.SECONDS));
}