Examples of org.jgroups.blocks.ConnectionTableNIO$Connection

org.jgroups.blocks.ConnectionTableNIO
Manages incoming and outgoing TCP connections. For each outgoing message to destination P, if there is not yet a connection for P, one will be created. Subsequent outgoing messages will use this connection. For incoming messages, one server socket is created at startup. For each new incoming client connecting, a new thread from a thread pool is allocated and listens for incoming messages until the socket is closed by the peer.
Sockets/threads with no activity will be killed after some time.
Incoming messages from any of the sockets can be received by setting the message listener. @author Bela Ban, Scott Marlow, Alex Fu

            return true;
        }


        Object credential = getCredential();
        if (credential instanceof RemotingConnectionCredential) {
            Connection con = ((RemotingConnectionCredential) credential).getConnection();
            UserPrincipal up = null;
            for (Principal current : con.getPrincipals()) {
                if (current instanceof UserPrincipal) {
                    up = (UserPrincipal) current;
                    break;
                }
            }
            // If we found a principal from the connection then authentication succeeded.
            if (up != null) {
                identity = up;
                if (getUseFirstPass()) {
                    String userName = identity.getName();
                    log.debugf("Storing username '%s'", userName);
                    // Add the username to the shared state map
                    sharedState.put("javax.security.auth.login.name", identity);


                    if (useClientCert) {
                        SSLSession session = con.getSslSession();
                        if (session != null) {
                            try {
                                credential = session.getPeerCertificateChain()[0];
                                log.debug("Using certificate as credential.");
                            } catch (SSLPeerUnverifiedException e) {

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            final String connectionName = outboundConnectionService.getConnectionName();
            logger.debug("Creating remoting EJB receiver for connection " + connectionName);
            try {
                final IoFuture<Connection> futureConnection = outboundConnectionService.connect();
                // TODO: Make the timeout configurable
                final Connection connection = IoFutureHelper.get(futureConnection, DEFAULT_CONNECTION_TIMEOUT, TimeUnit.MILLISECONDS);
                // add it to the successful connection list to be returned
                connections.add(connection);


            } catch (IOException ioe) {
                // just log a WARN and move on to the next

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        if (super.login() == true) {
            log.debug("super.login()==true");
            return true;
        }


        Connection con = SecurityActions.remotingContextGetConnection();
        if (con != null) {
            UserPrincipal up = null;
            for (Principal current : con.getPrincipals()) {
                if (current instanceof UserPrincipal) {
                    up = (UserPrincipal) current;
                    break;
                }
            }

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     *
     * @return the connection
     * @throws IOException
     */
    public Connection connect() throws IOException {
        Connection connection;
        synchronized (this) {
            if(shutdown) throw ProtocolMessages.MESSAGES.channelClosed();
            connection = this.connection;
            if(connection == null) {
                connection = connectTask.connect();
                if(connection == null) {
                    throw ProtocolMessages.MESSAGES.channelClosed();
                }
                boolean ok = false;
                try {
                    // Connection opened notification
                    final ConnectionOpenHandler openHandler = connectTask.getConnectionOpenedHandler();
                    openHandler.connectionOpened(connection);
                    ok = true;
                    this.connection = connection;
                    connection.addCloseHandler(new CloseHandler<Connection>() {
                        @Override
                        public void handleClose(Connection closed, IOException exception) {
                            onConnectionClose(closed);
                        }
                    });

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    /**
     * Shutdown the connection manager.
     */
    public void shutdown() {
        final Connection connection;
        synchronized (this) {
            if(shutdown) return;
            shutdown = true;
            connection = this.connection;
            if(connectTask != null) {

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            final String connectionName = outboundConnectionService.getConnectionName();
            logger.debug("Creating remoting EJB receiver for connection " + connectionName);
            try {
                final IoFuture<Connection> futureConnection = outboundConnectionService.connect();
                // TODO: Make the timeout configurable
                final Connection connection = IoFutureHelper.get(futureConnection, DEFAULT_CONNECTION_TIMEOUT, TimeUnit.MILLISECONDS);
                // add it to the successful connection list to be returned
                connections.add(connection);


            } catch (Exception e) {
                // just log a message and register a reconnect handler

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            }
            final AbstractOutboundConnectionService outboundConnectionService = (AbstractOutboundConnectionService) serviceController.getValue();
            try {
                final IoFuture<Connection> futureConnection = outboundConnectionService.connect();
                // TODO: Make the timeout configurable
                final Connection connection = IoFutureHelper.get(futureConnection, DEFAULT_CONNECTION_TIMEOUT, TimeUnit.MILLISECONDS);
                logger.debug("Successful reconnect attempt#" + this.reconnectAttemptCount + " to outbound connection " + this.outboundConnectionServiceName);
                // successfully reconnected so unregister this reconnect handler
                this.clientContext.unregisterReconnectHandler(this);
                // register the newly reconnected connection
                final EJBReceiver receiver = new RemotingConnectionEJBReceiver(connection, this, OptionMap.EMPTY);

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    private void connectionClosed() {
        if(! reconnect.get()) {
            return; // Nothing to do
        }
        // Wait until the connection is closed before reconnecting
        final Connection connection = this.connection;
        if(connection != null) {
            if(channel == null) {
                connection.closeAsync();
            }
        } else {
            if(reconnecting.compareAndSet(false, true)) {
                HostControllerLogger.ROOT_LOGGER.lostRemoteDomainConnection();
                executorService.execute(new Runnable() {

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   *
   * @see org.jgroups.protocols.TCP#getConnectionTable(long, long)
   */
   protected ConnectionTableNIO getConnectionTable(long ri, long cet,
                                                   InetAddress b_addr, InetAddress bc_addr, int s_port, int e_port) throws Exception {
       ConnectionTableNIO retval=null;
       if (ri == 0 && cet == 0) {
           retval = new ConnectionTableNIO(this, b_addr, bc_addr, s_port, e_port, false );
       }
       else {
           if (ri == 0) {
               ri = 5000;
               if(warn) log.warn("reaper_interval was 0, set it to " + ri);
           }
           if (cet == 0) {
               cet = 1000 * 60 * 5;
               if(warn) log.warn("conn_expire_time was 0, set it to " + cet);
           }
           retval = new ConnectionTableNIO(this, b_addr, bc_addr, s_port, e_port, ri, cet, false);
       }


       retval.setProcessorMaxThreads(getProcessorMaxThreads());
       retval.setProcessorQueueSize(getProcessorQueueSize());
       retval.setProcessorMinThreads(getProcessorMinThreads());
       retval.setProcessorKeepAliveTime(getProcessorKeepAliveTime());
       retval.setProcessorThreads(getProcessorThreads());
       retval.start();
       return retval;
   }

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   * @see org.jgroups.protocols.TCP#getConnectionTable(long, long)
   */
   protected ConnectionTableNIO getConnectionTable(long ri, long cet,
                                                   InetAddress b_addr, InetAddress bc_addr,
                                                   int s_port, int e_port, PortsManager pm) throws Exception {
       ConnectionTableNIO retval=null;
       if (ri == 0 && cet == 0) {
           retval = new ConnectionTableNIO(this, b_addr, bc_addr, s_port, e_port, pm, false );
       }
       else {
           if (ri == 0) {
               ri = 5000;
               if(log.isWarnEnabled()) log.warn("reaper_interval was 0, set it to " + ri);
           }
           if (cet == 0) {
               cet = 1000 * 60 * 5;
               if(log.isWarnEnabled()) log.warn("conn_expire_time was 0, set it to " + cet);
           }
           retval = new ConnectionTableNIO(this, b_addr, bc_addr, s_port, e_port, pm, ri, cet, false);
       }
       retval.setThreadFactory(getThreadFactory());
       retval.setProcessorMaxThreads(getProcessorMaxThreads());
       retval.setProcessorQueueSize(getProcessorQueueSize());
       retval.setProcessorMinThreads(getProcessorMinThreads());
       retval.setProcessorKeepAliveTime(getProcessorKeepAliveTime());
       retval.setProcessorThreads(getProcessorThreads());
       retval.start();
       return retval;
   }

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