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

Example 81 with JChannel

use of org.jgroups.JChannel in project xwiki-platform by xwiki.

the class JGroupsNetworkAdapter method startChannel.

@Override
public void startChannel(String channelId) throws RemoteEventException {
    if (this.channels.containsKey(channelId)) {
        throw new RemoteEventException(MessageFormat.format("Channel [{0}] already started", channelId));
    }
    JChannel channel;
    try {
        channel = createChannel(channelId);
        channel.connect("event");
        this.channels.put(channelId, channel);
    } catch (Exception e) {
        throw new RemoteEventException("Failed to create channel [" + channelId + "]", e);
    }
    // Register the channel against the JMX Server
    try {
        MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
        JmxConfigurator.registerChannel(channel, mbs, channel.getClusterName());
    } catch (Exception e) {
        this.logger.warn("Failed to register channel [" + channelId + "] against the JMX Server", e);
    }
    this.logger.info("Channel [{}] started", channelId);
}

Example 82 with JChannel

use of org.jgroups.JChannel in project JGroups by belaban.

the class ReplicatedHashMapDemo method main.

public static void main(String[] args) {
    ReplicatedHashMapDemo client = new ReplicatedHashMapDemo();
    JChannel channel;
    String props = "udp.xml";
    try {
        for (int i = 0; i < args.length; i++) {
            String arg = args[i];
            if ("-props".equals(arg)) {
                props = args[++i];
                continue;
            }
            help();
            return;
        }
    } catch (Exception e) {
        help();
        return;
    }
    try {
        channel = new JChannel(props);
        channel.connect("ReplicatedHashMapDemo-Cluster");
        client.start(channel);
    } catch (Throwable t) {
        t.printStackTrace();
    }
}

Example 83 with JChannel

use of org.jgroups.JChannel in project JGroups by belaban.

the class Topology method start.

public void start() throws Exception {
    channel = new JChannel(props).name(name);
    channel.setReceiver(new Receiver() {

        public void viewAccepted(View view) {
            setInternalState(view.getMembers());
        }

        public void setInternalState(java.util.List<Address> mbrs) {
            members.clear();
            for (Address mbr : mbrs) addNode(mbr);
            coordinator = mbrs.size() <= 1 || (mbrs.size() > 1 && mbrs.iterator().next().equals(my_addr));
            repaint();
        }
    });
    channel.connect(channel_name);
    my_addr = channel.getAddress();
    if (my_addr != null)
        setTitle(my_addr.toString());
    pack();
    setVisible(true);
}

Example 84 with JChannel

use of org.jgroups.JChannel in project JGroups by belaban.

the class FORK method setStateInMainAndForkChannels.

protected void setStateInMainAndForkChannels(InputStream in) {
    try (DataInputStream input = new DataInputStream(in)) {
        for (; ; ) {
            String stack_name = Bits.readString(input);
            String ch_name = Bits.readString(input);
            int len = input.readInt();
            if (len > 0) {
                byte[] data = new byte[len];
                in.read(data, 0, len);
                ByteArrayInputStream tmp = new ByteArrayInputStream(data, 0, len);
                if (stack_name == null && ch_name == null)
                    up_prot.up(new Event(Event.STATE_TRANSFER_INPUTSTREAM, tmp));
                else {
                    Protocol prot = fork_stacks.get(stack_name);
                    if (prot == null) {
                        log.warn("%s: fork stack %s not found, dropping state for %s:%s", local_addr, stack_name, stack_name, ch_name);
                        continue;
                    }
                    ForkProtocolStack fork_stack = getForkStack(prot);
                    JChannel fork_ch = fork_stack.get(ch_name);
                    if (fork_ch == null) {
                        log.warn("%s: fork channel %s not found, dropping state for %s:%s", local_addr, ch_name, stack_name, ch_name);
                        continue;
                    }
                    fork_ch.up(new Event(Event.STATE_TRANSFER_INPUTSTREAM, tmp));
                }
            }
        }
    } catch (EOFException ignored) {
    } catch (Throwable ex) {
        log.error("%s: failed setting state in main channel", local_addr, ex);
    }
}

Example 85 with JChannel

use of org.jgroups.JChannel in project JGroups by belaban.

the class FORK method getStateFromMainAndForkChannels.

protected void getStateFromMainAndForkChannels(Event evt) {
    final OutputStream out = evt.getArg();
    try (DataOutputStream dos = new DataOutputStream(out)) {
        getStateFrom(null, up_prot, null, null, dos);
        // now fetch state from all fork channels
        for (Map.Entry<String, Protocol> entry : fork_stacks.entrySet()) {
            String stack_name = entry.getKey();
            Protocol prot = entry.getValue();
            ForkProtocolStack fork_stack = getForkStack(prot);
            for (Map.Entry<String, JChannel> en : fork_stack.getForkChannels().entrySet()) {
                String fc_name = en.getKey();
                JChannel fc = en.getValue();
                getStateFrom(fc, null, stack_name, fc_name, dos);
            }
        }
    } catch (Throwable ex) {
        log.error("%s: failed fetching state from main channel", local_addr, ex);
    }
}