Example usage for io.netty.channel ChannelFutureListener ChannelFutureListener

Introduction

In this page you can find the example usage for io.netty.channel ChannelFutureListener ChannelFutureListener.

Prototype

ChannelFutureListener

Source Link

Usage

From source file:it.jnrpe.JNRPE.java

License:Apache License

/**
 * Starts a new thread that listen for requests. The method is <b>not
 * blocking</b>//from www  .j  a  va2 s .c  o m
 * 
 * @param address
 *            The address to bind to
 * @param port
 *            The listening port
 * @param useSSL
 *            <code>true</code> if an SSL socket must be created.
        
 * @throws UnknownHostException
 *             - */
public void listen(final String address, final int port, final boolean useSSL) throws UnknownHostException {

    // Bind and start to accept incoming connections.
    ChannelFuture cf = getServerBootstrap(useSSL).bind(address, port);
    cf.addListener(new ChannelFutureListener() {

        public void operationComplete(final ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                context.getEventBus().post(new JNRPEStatusEvent(STATUS.STARTED, this, "JNRPE Server started"));
                LOG.info(context, "Listening on " + (useSSL ? "SSL/" : "") + address + ":" + port);
            } else {
                getExecutionContext().getEventBus()
                        .post(new JNRPEStatusEvent(STATUS.FAILED, this, "JNRPE Server start failed"));
                LOG.error(context, "Unable to listen on " + (useSSL ? "SSL/" : "") + address + ":" + port,
                        future.cause());
            }
        }
    });

}

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From source file:jj.http.server.websocket.WebSocketConnectionMaker.java

License:Apache License

private void doHandshake(final ChannelHandlerContext ctx, final FullHttpRequest request,
        final WebSocketServerHandshaker handshaker) {
    handshaker.handshake(ctx.channel(), request).addListener(new ChannelFutureListener() {

        private boolean isHandshakeFailure(ChannelFuture future) {
            return future.cause() != null && future.cause() instanceof WebSocketHandshakeException;
        }//w ww  .j av a 2s .c om

        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess()) {

                URIMatch uriMatch = new URIMatch(request.getUri());

                WebSocketConnectionHost host = null;

                for (Class<? extends WebSocketConnectionHost> hostClass : webSocketConnectionHostClasses) {
                    host = resourceFinder.findResource(hostClass, AppLocation.Virtual, uriMatch.name);
                    if (host != null)
                        break;
                }

                if (host == null) {

                    // 1011 indicates that a server is terminating the connection because
                    // it encountered an unexpected condition that prevented it from
                    // fulfilling the request.
                    ctx.writeAndFlush(new CloseWebSocketFrame(1011, null)).addListener(CLOSE);
                    // TODO: is closing here the right thing? or do we count on the client closing the connection
                    // to avoid the time_wait state? 

                } else if (!uriMatch.sha1.equals(host.sha1())) {

                    ctx.writeAndFlush(new TextWebSocketFrame("jj-reload"))
                            .addListener(new ChannelFutureListener() {

                                @Override
                                public void operationComplete(ChannelFuture future) throws Exception {
                                    // 1001 indicates that an endpoint is "going away", such as a server
                                    // going down or a browser having navigated away from a page.
                                    ctx.writeAndFlush(new CloseWebSocketFrame(1001, null)).addListener(CLOSE);
                                    // TODO: is closing here the right thing? or do we count on the client closing the connection
                                    // to avoid the time_wait state? 
                                }
                            });

                } else {

                    ctx.pipeline().replace(JJEngine.toString(), JJWebsocketHandler.toString(),
                            handlerCreator.createHandler(handshaker, host));
                }

            } else if (isHandshakeFailure(future)) {
                response.sendError(HttpResponseStatus.BAD_REQUEST);
            } else {
                ctx.close();
            }
        }
    });
}

---

From source file:jj.http.server.websocket.WebSocketFrameHandler.java

License:Apache License

@Override
public void handlerAdded(ChannelHandlerContext ctx) throws Exception {

    connectionTracker.addConnection(connection);
    connection.webSocketConnectionHost().connected(connection);
    executor.submit(connection, HostEvent.clientConnected.toString(), connection);

    ctx.channel().closeFuture().addListener(new ChannelFutureListener() {

        @Override/*from www  .  j av a2s. c om*/
        public void operationComplete(ChannelFuture future) throws Exception {
            connectionTracker.removeConnection(connection);
            connection.webSocketConnectionHost().disconnected(connection);
            executor.submit(connection, HostEvent.clientDisconnected.toString(), connection);
        }
    });
}

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From source file:jj.repl.ReplServer.java

License:Apache License

private void start() {
    port = (configuration.port() < 1023 || configuration.port() > 65535) ? DEFAULT_PORT : configuration.port();

    final ServerBootstrap bootstrap = new ServerBootstrap()
            .group(new NioEventLoopGroup(1, bossThreadFactory), new NioEventLoopGroup(1, workerThreadFactory))
            .channel(NioServerSocketChannel.class).childHandler(channelInitializer);

    bootstrap.bind("localhost", port).addListener(new ChannelFutureListener() {

        @Override/*from ww w .  ja  v  a2 s  . c o m*/
        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                publisher.publish(new ReplListening(port));
                server = bootstrap;
            } else {
                publisher.publish(new Emergency("could not start the REPL server", future.cause()));
                bootstrap.group().shutdownGracefully(0, 0, SECONDS);
                bootstrap.childGroup().shutdownGracefully(0, 0, SECONDS);
            }
        }
    });
}

---

From source file:jlibs.wamp4j.netty.NettyClientEndpoint.java

License:Apache License

@Override
public void connect(final URI uri, final ConnectListener listener, final String... subProtocols) {
    final SslContext sslContext;
    if ("wss".equals(uri.getScheme())) {
        try {//from  ww w .  ja  v  a 2s.  c o m
            if (sslSettings == null) {
                sslContext = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE)
                        .build();
            } else {
                sslContext = SslContextBuilder.forClient().trustManager(sslSettings.trustCertChainFile)
                        .keyManager(sslSettings.certificateFile, sslSettings.keyFile, sslSettings.keyPassword)
                        .build();
            }
        } catch (Throwable thr) {
            listener.onError(thr);
            return;
        }
    } else if ("ws".equals(uri.getScheme()))
        sslContext = null;
    else
        throw new IllegalArgumentException("invalid protocol: " + uri.getScheme());

    final int port = uri.getPort() == -1 ? (sslContext == null ? 80 : 443) : uri.getPort();

    Bootstrap bootstrap = new Bootstrap().group(eventLoopGroup).channel(NioSocketChannel.class)
            .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .option(ChannelOption.MAX_MESSAGES_PER_READ, 50000).option(ChannelOption.WRITE_SPIN_COUNT, 50000)
            .handler(new ChannelInitializer<SocketChannel>() {
                @Override
                protected void initChannel(SocketChannel ch) throws Exception {
                    if (sslContext != null)
                        ch.pipeline().addLast(sslContext.newHandler(ch.alloc(), uri.getHost(), port));
                    WebSocketClientHandshaker handshaker = WebSocketClientHandshakerFactory.newHandshaker(uri,
                            WebSocketVersion.V13, Util.toString(subProtocols), false, new DefaultHttpHeaders());
                    ch.pipeline().addLast(new HttpClientCodec(), new HttpObjectAggregator(8192),
                            new WebSocketClientProtocolHandler(handshaker) {
                                @Override
                                public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause)
                                        throws Exception {
                                    super.exceptionCaught(ctx, cause);
                                    listener.onError(cause);
                                }
                            }, new HandshakeListener(handshaker, listener));
                }
            });
    bootstrap.connect(uri.getHost(), port).addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            if (!future.isSuccess()) {
                assert !future.channel().isOpen();
                listener.onError(future.cause());
            }
        }
    });
}

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From source file:jlibs.wamp4j.netty.NettyServerEndpoint.java

License:Apache License

@Override
public void bind(final URI uri, final String subProtocols[], final AcceptListener listener) {
    final SslContext sslContext;
    if ("wss".equals(uri.getScheme())) {
        try {//from  w  w  w  .j  a va  2  s.  c o m
            if (sslSettings == null) {
                SelfSignedCertificate ssc = new SelfSignedCertificate();
                sslSettings = new SSLSettings().keyFile(ssc.privateKey()).certificateFile(ssc.certificate());
            }
            ClientAuth clientAuth = ClientAuth.values()[sslSettings.clientAuthentication.ordinal()];
            sslContext = SslContextBuilder
                    .forServer(sslSettings.certificateFile, sslSettings.keyFile, sslSettings.keyPassword)
                    .clientAuth(clientAuth).trustManager(sslSettings.trustCertChainFile).build();
        } catch (Throwable thr) {
            listener.onError(thr);
            return;
        }
    } else if ("ws".equals(uri.getScheme()))
        sslContext = null;
    else
        throw new IllegalArgumentException("invalid protocol: " + uri.getScheme());

    int port = uri.getPort();
    if (port == -1)
        port = sslContext == null ? 80 : 443;
    ServerBootstrap bootstrap = new ServerBootstrap().group(eventLoopGroup)
            .channel(NioServerSocketChannel.class)
            .childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .childOption(ChannelOption.MAX_MESSAGES_PER_READ, 50000)
            .childOption(ChannelOption.WRITE_SPIN_COUNT, 50000)
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override
                protected void initChannel(SocketChannel ch) throws Exception {
                    if (sslContext != null)
                        ch.pipeline().addLast(sslContext.newHandler(ch.alloc()));
                    ch.pipeline().addLast(new HttpServerCodec(), new HttpObjectAggregator(65536),
                            new Handshaker(uri, listener, subProtocols));
                }
            });
    bootstrap.bind(uri.getHost(), port).addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                channel = future.channel();
                channel.attr(ACCEPT_LISTENER).set(listener);
                listener.onBind(NettyServerEndpoint.this);
            } else
                listener.onError(future.cause());
        }
    });
}

---

From source file:jlibs.wamp4j.netty.NettyServerEndpoint.java

License:Apache License

@Override
public void close() {
    channel.close().addListener(new ChannelFutureListener() {
        @Override/*from   w w w .  j a va  2s  . c o  m*/
        public void operationComplete(ChannelFuture future) throws Exception {
            AcceptListener acceptListener = channel.attr(ACCEPT_LISTENER).get();
            if (!future.isSuccess())
                acceptListener.onError(future.cause());
            acceptListener.onClose(NettyServerEndpoint.this);
        }
    });
}

---

From source file:jlibs.wamp4j.netty.NettyWebSocketClient.java

License:Apache License

@Override
public void connect(final URI uri, final ConnectListener listener, final String... subProtocols) {
    String protocol = uri.getScheme();
    if (!protocol.equals("ws"))
        throw new IllegalArgumentException("invalid protocol: " + protocol);
    int port = uri.getPort();
    if (port == -1)
        port = 80;//w  w w  .  j  ava2 s .  c o m

    Bootstrap bootstrap = new Bootstrap().group(eventLoopGroup).channel(NioSocketChannel.class)
            .handler(new ChannelInitializer<SocketChannel>() {
                @Override
                protected void initChannel(SocketChannel ch) throws Exception {
                    WebSocketClientHandshaker handshaker = WebSocketClientHandshakerFactory.newHandshaker(uri,
                            WebSocketVersion.V13, Util.toString(subProtocols), false, new DefaultHttpHeaders());
                    ch.pipeline().addLast(new HttpClientCodec(), new HttpObjectAggregator(8192),
                            new WebSocketClientProtocolHandler(handshaker),
                            new HandshakeListener(handshaker, listener));
                }
            });
    bootstrap.connect(uri.getHost(), port).addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            if (!future.isSuccess()) {
                assert !future.channel().isOpen();
                listener.onError(future.cause());
            }
        }
    });
}

---

From source file:jlibs.wamp4j.netty.NettyWebSocketServer.java

License:Apache License

@Override
public void bind(final URI uri, final String subProtocols[], final AcceptListener listener) {
    int port = uri.getPort();
    if (port == -1)
        port = 80;// w w  w.  j  a  v a2  s.c o  m
    ServerBootstrap bootstrap = new ServerBootstrap().group(eventLoopGroup)
            .channel(NioServerSocketChannel.class).childHandler(new ChannelInitializer<SocketChannel>() {
                @Override
                protected void initChannel(SocketChannel ch) throws Exception {
                    ch.pipeline().addLast(new HttpServerCodec(), new HttpObjectAggregator(65536),
                            new Handshaker(uri, listener, subProtocols));
                }
            });
    bootstrap.bind(uri.getHost(), port).addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                channel = future.channel();
                channel.attr(ACCEPT_LISTENER).set(listener);
                listener.onBind(NettyWebSocketServer.this);
            } else
                listener.onError(future.cause());
        }
    });
}

---

From source file:jlibs.wamp4j.netty.NettyWebSocketServer.java

License:Apache License

@Override
public void close() {
    channel.close().addListener(new ChannelFutureListener() {
        @Override//from w  w w  .  j av  a2  s. co  m
        public void operationComplete(ChannelFuture future) throws Exception {
            AcceptListener acceptListener = channel.attr(ACCEPT_LISTENER).get();
            if (!future.isSuccess())
                acceptListener.onError(future.cause());
            acceptListener.onClose(NettyWebSocketServer.this);
        }
    });
}

---

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