Examples of org.apache.mina.common.IoSession

org.apache.mina.common.IoSession
A handle which represents connection between two end-points regardless of transport types.
{@link IoSession} provides user-defined attributes. User-defined attributesare application-specific data which is associated with a session. It often contains objects that represents the state of a higher-level protocol and becomes a way to exchange data between filters and handlers.

Adjusting Transport Type Specific Properties

You can simply downcast the session to an appropriate subclass.

Thread Safety

{@link IoSession} is thread-safe. But please note that performingmore than one {@link #write(Object)} calls at the same time willcause the {@link IoFilter#filterWrite(IoFilter.NextFilter,IoSession,WriteRequest)}is executed simultaneously, and therefore you have to make sure the {@link IoFilter} implementations you're using are thread-safe, too.

Equality of Sessions
{@link #equals(Object)} and {@link #hashCode()} shall not be overridento the default behavior that is defined in {@link Object}. @author The Apache MINA Project (dev@mina.apache.org) @version $Rev: 645469 $, $Date: 2008-04-07 20:49:36 +0900 (Mon, 07 Apr 2008) $

    }


    public void onPostRemove(IoFilterChain parent, String name,
            NextFilter nextFilter) throws Exception {
        super.onPostRemove(parent, name, nextFilter);
        IoSession session = parent.getSession();
        if (session == null) {
            return;
        }


        Zlib inflater = (Zlib) session.getAttribute(INFLATER);
        Zlib deflater = (Zlib) session.getAttribute(DEFLATER);
        if (deflater != null) {
            deflater.cleanUp();
        }


        if (inflater != null) {

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            throw new IllegalArgumentException("Unknown localAddress: "
                    + localAddress);
        }


        RegistrationRequest req = (RegistrationRequest) key.attachment();
        IoSession session;
        IoSessionRecycler sessionRecycler = getSessionRecycler(req);
        synchronized (sessionRecycler) {
            session = sessionRecycler.recycle(localAddress, remoteAddress);
            if (session != null) {
                return session;

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                    new ProtocolCodecFilter(
                            new ObjectSerializationCodecFactory()));
        }
        cfg.getFilterChain().addLast("logger", new LoggingFilter());


        IoSession session;
        for (;;) {
            try {
                ConnectFuture future = connector.connect(new InetSocketAddress(
                        HOSTNAME, PORT), new ClientSessionHandler(values), cfg);


                future.join();
                session = future.getSession();
                break;
            } catch (RuntimeIOException e) {
                System.err.println("Failed to connect.");
                e.printStackTrace();
                Thread.sleep(5000);
            }
        }


        // wait until the summation is done
        session.getCloseFuture().join();
    }

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        // Connect to the server.
        VmPipeConnector connector = new VmPipeConnector();
        ConnectFuture future = connector.connect(address, new TennisPlayer());
        future.join();
        IoSession session = future.getSession();


        // Send the first ping message
        session.write(new TennisBall(10));


        // Wait until the match ends.
        session.getCloseFuture().join();


        acceptor.unbind(address);
    }

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        if (parent.contains(SSLFilter.class)) {
            throw new IllegalStateException(
                    "A filter chain cannot contain more than one SSLFilter.");
        }


        IoSession session = parent.getSession();
        session.setAttribute(NEXT_FILTER, nextFilter);


        // Create an SSL handler and start handshake.
        SSLHandler handler = new SSLHandler(this, sslContext, session);
        session.setAttribute(SSL_HANDLER, handler);
    }

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        handler.flushScheduledEvents();
    }


    public void onPreRemove(IoFilterChain parent, String name,
            NextFilter nextFilter) throws SSLException {
        IoSession session = parent.getSession();
        stopSSL(session);
        session.removeAttribute(NEXT_FILTER);
        session.removeAttribute(SSL_HANDLER);
    }

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        // handle app. data read (if any)
        handleAppDataRead(nextFilter, handler);
    }


    private void handleAppDataRead(NextFilter nextFilter, SSLHandler handler) {
        IoSession session = handler.getSession();
        handler.getAppBuffer().flip();
        if (!handler.getAppBuffer().hasRemaining()) {
            handler.getAppBuffer().clear();
            return;
        }

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                .hasNext();) {
            SocketAddress element = (SocketAddress) iter.next();


            for (Iterator iter2 = service.getManagedSessions(element)
                    .iterator(); iter2.hasNext();) {
                IoSession session = (IoSession) iter2.next();
                session.close();
            }
        }


    }

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        if (parent.contains(SslFilter.class)) {
            throw new IllegalStateException(
                    "Only one " + SslFilter.class.getName() + " is permitted.");
        }


        IoSession session = parent.getSession();
        session.setAttribute(NEXT_FILTER, nextFilter);


        // Create an SSL handler and start handshake.
        SslHandler handler = new SslHandler(this, sslContext, session);
        session.setAttribute(SSL_HANDLER, handler);
    }

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    }


    @Override
    public void onPreRemove(IoFilterChain parent, String name,
            NextFilter nextFilter) throws SSLException {
        IoSession session = parent.getSession();
        stopSsl(session);
        session.removeAttribute(NEXT_FILTER);
        session.removeAttribute(SSL_HANDLER);
    }

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Examples of org.apache.mina.common.IoSession

Adjusting Transport Type Specific Properties

Thread Safety

Equality of Sessions

Related Classes of org.apache.mina.common.IoSession