Examples with JChannel org.jgroups.JChannel used on opensource projects

Example 1 with JChannel

use of org.jgroups.JChannel in project wildfly by wildfly.

the class ChannelBuilder method start.

@Override
public void start(StartContext context) throws StartException {
    try {
        this.channel = this.factory.getValue().createChannel(this.name);
    } catch (Exception e) {
        throw new StartException(e);
    }
    if (JGroupsLogger.ROOT_LOGGER.isTraceEnabled()) {
        String output = this.channel.getProtocolStack().printProtocolSpec(true);
        JGroupsLogger.ROOT_LOGGER.tracef("JGroups channel %s created with configuration:%n %s", this.name, output);
    }
    if (this.channel instanceof JChannel) {
        JChannel channel = (JChannel) this.channel;
        channel.enableStats(this.statisticsEnabled);
        if (this.server != null) {
            try {
                JmxConfigurator.registerChannel((JChannel) this.channel, this.server.getValue(), this.name);
            } catch (Exception e) {
                JGroupsLogger.ROOT_LOGGER.debug(e.getLocalizedMessage(), e);
            }
        }
    }
    try {
        this.channel.connect(this.cluster.getValue());
    } catch (Exception e) {
        throw new StartException(e);
    }
}

Example 2 with JChannel

use of org.jgroups.JChannel in project geode by apache.

the class JGroupsMessengerJUnitTest method testJChannelError.

@Test
public void testJChannelError() throws Exception {
    for (int i = 0; i < 2; i++) {
        boolean enableMcast = (i == 1);
        initMocks(enableMcast);
        JChannel mockChannel = mock(JChannel.class);
        when(mockChannel.isConnected()).thenReturn(true);
        doThrow(new RuntimeException()).when(mockChannel).send(any(Message.class));
        JChannel realChannel = messenger.myChannel;
        messenger.myChannel = mockChannel;
        try {
            InternalDistributedMember mbr = createAddress(8888);
            DistributedCacheOperation.CacheOperationMessage msg = mock(DistributedCacheOperation.CacheOperationMessage.class);
            when(msg.getRecipients()).thenReturn(new InternalDistributedMember[] { mbr });
            when(msg.getMulticast()).thenReturn(enableMcast);
            when(msg.getProcessorId()).thenReturn(1234);
            when(msg.getDSFID()).thenReturn((int) DataSerializableFixedID.PUT_ALL_MESSAGE);
            try {
                messenger.send(msg);
                fail("expected a failure");
            } catch (DistributedSystemDisconnectedException e) {
            // success
            }
            verify(mockChannel).send(isA(Message.class));
        } finally {
            messenger.myChannel = realChannel;
        }
    }
}

Example 3 with JChannel

use of org.jgroups.JChannel in project camel by apache.

the class JGroupsComponentTest method doPreSetup.

// Fixture setup
@Override
protected void doPreSetup() throws Exception {
    super.doPreSetup();
    clientChannel = new JChannel();
    clientChannel.connect(CLUSTER_NAME);
    defaultComponentChannel = new JChannel();
}

Example 4 with JChannel

use of org.jgroups.JChannel in project camel by apache.

the class JGroupsComponentWithChannelPropertiesTest method doPreSetup.

// Fixture setup
@Override
protected void doPreSetup() throws Exception {
    super.doPreSetup();
    clientChannel = new JChannel();
    clientChannel.connect(CLUSTER_NAME);
    defaultComponentChannel = new JChannel();
}

Example 5 with JChannel

use of org.jgroups.JChannel in project geode by apache.

the class JGroupsMessenger method start.

@Override
@edu.umd.cs.findbugs.annotations.SuppressWarnings(value = "ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD")
public void start() {
    // create the configuration XML string for JGroups
    String properties = this.jgStackConfig;
    long start = System.currentTimeMillis();
    // start the jgroups channel and establish the membership ID
    boolean reconnecting = false;
    try {
        Object oldChannel = services.getConfig().getTransport().getOldDSMembershipInfo();
        if (oldChannel != null) {
            logger.debug("Reusing JGroups channel from previous system", properties);
            myChannel = (JChannel) oldChannel;
            // scrub the old channel
            ViewId vid = new ViewId(new JGAddress(), 0);
            View jgv = new View(vid, new ArrayList<>());
            this.myChannel.down(new Event(Event.VIEW_CHANGE, jgv));
            UUID logicalAddress = (UUID) myChannel.getAddress();
            if (logicalAddress instanceof JGAddress) {
                ((JGAddress) logicalAddress).setVmViewId(-1);
            }
            reconnecting = true;
        } else {
            logger.debug("JGroups configuration: {}", properties);
            checkForIPv6();
            InputStream is = new ByteArrayInputStream(properties.getBytes("UTF-8"));
            myChannel = new JChannel(is);
        }
    } catch (Exception e) {
        throw new GemFireConfigException("unable to create jgroups channel", e);
    }
    // give the stats to the jchannel statistics recorder
    StatRecorder sr = (StatRecorder) myChannel.getProtocolStack().findProtocol(StatRecorder.class);
    if (sr != null) {
        sr.setServices(services);
    }
    Transport transport = (Transport) myChannel.getProtocolStack().getTransport();
    transport.setMessenger(this);
    nackack2HeaderId = ClassConfigurator.getProtocolId(NAKACK2.class);
    try {
        myChannel.setReceiver(null);
        myChannel.setReceiver(new JGroupsReceiver());
        if (!reconnecting) {
            // apache g***** (whatever we end up calling it)
            myChannel.connect("AG");
        }
    } catch (Exception e) {
        myChannel.close();
        throw new SystemConnectException("unable to create jgroups channel", e);
    }
    if (JGroupsMessenger.THROW_EXCEPTION_ON_START_HOOK) {
        JGroupsMessenger.THROW_EXCEPTION_ON_START_HOOK = false;
        throw new SystemConnectException("failing for test");
    }
    establishLocalAddress();
    logger.info("JGroups channel {} (took {}ms)", (reconnecting ? "reinitialized" : "created"), System.currentTimeMillis() - start);
}