Examples with Channel org.apache.catalina.tribes.Channel used on opensource projects

Example 1 with Channel

use of org.apache.catalina.tribes.Channel in project tomcat by apache.

the class CatalinaClusterSF method storeChildren.

/**
     * Store the specified Cluster children.
     *
     * @param aWriter
     *            PrintWriter to which we are storing
     * @param indent
     *            Number of spaces to indent this element
     * @param aCluster
     *            Cluster whose properties are being stored
     *
     * @exception Exception
     *                if an exception occurs while storing
     */
@Override
public void storeChildren(PrintWriter aWriter, int indent, Object aCluster, StoreDescription parentDesc) throws Exception {
    if (aCluster instanceof CatalinaCluster) {
        CatalinaCluster cluster = (CatalinaCluster) aCluster;
        if (cluster instanceof SimpleTcpCluster) {
            SimpleTcpCluster tcpCluster = (SimpleTcpCluster) cluster;
            // Store nested <Manager> element
            ClusterManager manager = tcpCluster.getManagerTemplate();
            if (manager != null) {
                storeElement(aWriter, indent, manager);
            }
        }
        // Store nested <Channel> element
        Channel channel = cluster.getChannel();
        if (channel != null) {
            storeElement(aWriter, indent, channel);
        }
        // Store nested <Deployer> element
        ClusterDeployer deployer = cluster.getClusterDeployer();
        if (deployer != null) {
            storeElement(aWriter, indent, deployer);
        }
        // Store nested <Valve> element
        // ClusterValve are not store at Hosts element, see
        Valve[] valves = cluster.getValves();
        storeElementArray(aWriter, indent, valves);
        if (aCluster instanceof SimpleTcpCluster) {
            // Store nested <Listener> elements
            LifecycleListener[] listeners = ((SimpleTcpCluster) cluster).findLifecycleListeners();
            storeElementArray(aWriter, indent, listeners);
            // Store nested <ClusterListener> elements
            ClusterListener[] mlisteners = ((SimpleTcpCluster) cluster).findClusterListeners();
            List<ClusterListener> clusterListeners = new ArrayList<>();
            for (ClusterListener clusterListener : mlisteners) {
                if (clusterListener != deployer) {
                    clusterListeners.add(clusterListener);
                }
            }
            storeElementArray(aWriter, indent, clusterListeners.toArray());
        }
    }
}

Example 2 with Channel

use of org.apache.catalina.tribes.Channel in project tomcat by apache.

the class TestGroupChannelMemberArrival method testMemberArrival.

@Test
public void testMemberArrival() throws Exception {
    //purpose of this test is to make sure that we have received all the members
    //that we can expect before the start method returns
    Thread[] threads = new Thread[channels.length];
    for (int i = 0; i < channels.length; i++) {
        final Channel channel = channels[i];
        Thread t = new Thread() {

            @Override
            public void run() {
                try {
                    channel.start(Channel.DEFAULT);
                } catch (Exception x) {
                    throw new RuntimeException(x);
                }
            }
        };
        threads[i] = t;
    }
    for (int i = 0; i < threads.length; i++) {
        threads[i].start();
    }
    for (int i = 0; i < threads.length; i++) {
        threads[i].join();
    }
    Thread.sleep(5000);
    System.out.println(System.currentTimeMillis() + " All channels started.");
    StringBuilder arrivalLengthErrors = new StringBuilder();
    for (int i = listeners.length - 1; i >= 0; i--) {
        TestMbrListener listener = listeners[i];
        synchronized (listener.members) {
            if (channels.length - 1 != listener.members.size()) {
                arrivalLengthErrors.append("Checking member arrival length for [");
                arrivalLengthErrors.append(listener.name);
                arrivalLengthErrors.append("]. Was [");
                arrivalLengthErrors.append(listener.members.size());
                arrivalLengthErrors.append("] but should have been [");
                arrivalLengthErrors.append(channels.length - 1);
                arrivalLengthErrors.append("]");
                arrivalLengthErrors.append('\n');
            }
        }
    }
    // Note if this fails for all listeners check multicast is working with
    // org.apache.catalina.tribes.TesterMulticast
    Assert.assertTrue(arrivalLengthErrors.toString(), arrivalLengthErrors.length() == 0);
    System.out.println(System.currentTimeMillis() + " Members arrival counts checked.");
}

Example 3 with Channel

use of org.apache.catalina.tribes.Channel in project tomcat by apache.

the class ChannelSF method storeChildren.

/**
     * Store the specified Channel children.
     *
     * @param aWriter
     *            PrintWriter to which we are storing
     * @param indent
     *            Number of spaces to indent this element
     * @param aChannel
     *            Channel whose properties are being stored
     *
     * @exception Exception
     *                if an exception occurs while storing
     */
@Override
public void storeChildren(PrintWriter aWriter, int indent, Object aChannel, StoreDescription parentDesc) throws Exception {
    if (aChannel instanceof Channel) {
        Channel channel = (Channel) aChannel;
        if (channel instanceof ManagedChannel) {
            ManagedChannel managedChannel = (ManagedChannel) channel;
            // Store nested <Membership> element
            MembershipService service = managedChannel.getMembershipService();
            if (service != null) {
                storeElement(aWriter, indent, service);
            }
            // Store nested <Sender> element
            ChannelSender sender = managedChannel.getChannelSender();
            if (sender != null) {
                storeElement(aWriter, indent, sender);
            }
            // Store nested <Receiver> element
            ChannelReceiver receiver = managedChannel.getChannelReceiver();
            if (receiver != null) {
                storeElement(aWriter, indent, receiver);
            }
            Iterator<ChannelInterceptor> interceptors = managedChannel.getInterceptors();
            while (interceptors.hasNext()) {
                ChannelInterceptor interceptor = interceptors.next();
                storeElement(aWriter, indent, interceptor);
            }
        }
    }
}

Example 4 with Channel

use of org.apache.catalina.tribes.Channel in project tomcat by apache.

the class TestDomainFilterInterceptor method testMemberArrival.

@Test
public void testMemberArrival() throws Exception {
    //purpose of this test is to make sure that we have received all the members
    //that we can expect before the start method returns
    Thread[] threads = new Thread[channels.length];
    for (int i = 0; i < channels.length; i++) {
        final Channel channel = channels[i];
        Thread t = new Thread() {

            @Override
            public void run() {
                try {
                    channel.start(Channel.DEFAULT);
                } catch (Exception x) {
                    throw new RuntimeException(x);
                }
            }
        };
        threads[i] = t;
    }
    for (int i = 0; i < threads.length; i++) threads[i].start();
    for (int i = 0; i < threads.length; i++) threads[i].join();
    System.out.println("All channels started.");
    for (int i = listeners.length - 1; i >= 0; i--) assertEquals("Checking member arrival length", 0, listeners[i].members.size());
}