io.netty.channel.AbstractChannel Java Examples

@Override
public void startService() {
	super.startService();
	if(this.channel==null){
		eventLoopGroup = new NioEventLoopGroup(3);
		Bootstrap boot = NettyUtils.buildBootStrap(eventLoopGroup,this);
		boot.remoteAddress(this.getHost(), this.getPort());
		try {
			ChannelFuture f = boot.connect().sync();
			f.await();
			this.channel = (AbstractChannel)f.channel();
			this.fireStartNetListeners();
		} catch (InterruptedException e) {
			logger.info("interrupted start to exist");
			this.stopService();
		}
	}
}
 

public static ChannelInitializer<AbstractChannel> createChannelWithDecoder(
        final @NonNull BmpSessionFactory sessionFactory, final @NonNull BmpHandlerFactory hf,
        final @NonNull BmpSessionListenerFactory slf) {
    return new ChannelInitializer<AbstractChannel>() {
        @Override
        protected void initChannel(final AbstractChannel ch) throws Exception {
            ch.pipeline().addLast(hf.getDecoders());
            ch.pipeline().addLast(sessionFactory.getSession(ch, slf));
        }
    };
}
 

public static ChannelInitializer<AbstractChannel> createChannelWithEncoder(
        final @NonNull BmpSessionFactory sessionFactory, final @NonNull BmpHandlerFactory hf,
        final @NonNull BmpSessionListenerFactory slf) {
    return new ChannelInitializer<AbstractChannel>() {
        @Override
        protected void initChannel(final AbstractChannel ch) throws Exception {
            ch.pipeline().addLast(hf.getEncoders());
            ch.pipeline().addLast(sessionFactory.getSession(ch, slf));
        }
    };
}
 

public RpcNettyConnector(AbstractChannel channel){
	super(null);
	this.channel = channel;
	if(this.channel!=null){
		this.setAddress(channel);
	}
}
 

private RpcNettyConnector newNettyConnector(AbstractChannel channel){
	RpcNettyConnector connector = new RpcNettyConnector(channel);
	if(parentAcceptor!=null){
		parentAcceptor.addConnectorListeners(connector);
		connector.setExecutorService(parentAcceptor.getExecutorService());
		connector.setExecutorSharable(true);
	}else if(parentConnector!=null){
		parentConnector.addConnectorListeners(connector);
	}
	return connector;
}
 

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
	RpcNettyConnector connector = this.newNettyConnector((AbstractChannel)ctx.channel());
	connector.startService();
	String channelKey = this.getChannelKey(ctx.channel());
	if(channelKey!=null){
		connectorMap.put(channelKey, connector);
	}
	super.channelRegistered(ctx);
}
 

@Test
public void testWriteFailsFastOnClosedChannel() throws Exception {
    Bootstrap cb = new Bootstrap();
    ServerBootstrap sb = new ServerBootstrap();

    cb.group(group1)
            .channel(LocalChannel.class)
            .handler(new TestHandler());

    sb.group(group2)
            .channel(LocalServerChannel.class)
            .childHandler(new ChannelInitializer<LocalChannel>() {
                @Override
                public void initChannel(LocalChannel ch) throws Exception {
                    ch.pipeline().addLast(new TestHandler());
                }
            });

    Channel sc = null;
    Channel cc = null;
    try {
        // Start server
        sc = sb.bind(TEST_ADDRESS).sync().channel();

        // Connect to the server
        cc = cb.connect(sc.localAddress()).sync().channel();

        // Close the channel and write something.
        cc.close().sync();
        try {
            cc.writeAndFlush(new Object()).sync();
            fail("must raise a ClosedChannelException");
        } catch (Exception e) {
            assertThat(e, is(instanceOf(ClosedChannelException.class)));
            // Ensure that the actual write attempt on a closed channel was never made by asserting that
            // the ClosedChannelException has been created by AbstractUnsafe rather than transport implementations.
            if (e.getStackTrace().length > 0) {
                assertThat(
                        e.getStackTrace()[0].getClassName(), is(AbstractChannel.class.getName() +
                                "$AbstractUnsafe"));
                e.printStackTrace();
            }
        }
    } finally {
        closeChannel(cc);
        closeChannel(sc);
    }
}
 

@Test
public void testWriteFailsFastOnClosedChannel() throws Exception {
    EventLoopGroup clientGroup = new LocalEventLoopGroup();
    EventLoopGroup serverGroup = new LocalEventLoopGroup();
    LocalAddress addr = new LocalAddress(LOCAL_ADDR_ID);
    Bootstrap cb = new Bootstrap();
    ServerBootstrap sb = new ServerBootstrap();

    cb.group(clientGroup)
            .channel(LocalChannel.class)
            .handler(new TestHandler());

    sb.group(serverGroup)
            .channel(LocalServerChannel.class)
            .childHandler(new ChannelInitializer<LocalChannel>() {
                @Override
                public void initChannel(LocalChannel ch) throws Exception {
                    ch.pipeline().addLast(new TestHandler());
                }
            });

    // Start server
    sb.bind(addr).sync();

    // Connect to the server
    final Channel cc = cb.connect(addr).sync().channel();

    // Close the channel and write something.
    cc.close().sync();
    try {
        cc.writeAndFlush(new Object()).sync();
        fail("must raise a ClosedChannelException");
    } catch (Exception e) {
        assertThat(e, is(instanceOf(ClosedChannelException.class)));
        // Ensure that the actual write attempt on a closed channel was never made by asserting that
        // the ClosedChannelException has been created by AbstractUnsafe rather than transport implementations.
        if (e.getStackTrace().length > 0) {
            assertThat(
                    e.getStackTrace()[0].getClassName(), is(AbstractChannel.class.getName() + "$AbstractUnsafe"));
            e.printStackTrace();
        }
    }

    serverGroup.shutdownGracefully();
    clientGroup.shutdownGracefully();
    serverGroup.terminationFuture().sync();
    clientGroup.terminationFuture().sync();
}
 

ChannelInitializer<AbstractChannel> create(@NonNull BmpSessionFactory sessionFactory,
@NonNull BmpHandlerFactory hf, @NonNull BmpSessionListenerFactory slf);
 

private void setAddress(AbstractChannel channel){
	InetSocketAddress address = (InetSocketAddress)channel.remoteAddress();
	this.setHost(address.getHostName());
	this.setPort(address.getPort());
}