List of usage examples for io.netty.channel ChannelInitializer ChannelInitializer
ChannelInitializer
From source file:at.yawk.votifier.VotifierServerImpl.java
License:Mozilla Public License
public void init() { if (!initialized.compareAndSet(false, true)) { return;// w ww. j a va2 s .c om } logger.info("Initializing votifier server..."); EventLoopGroup bossGroup = new NioEventLoopGroup(); EventLoopGroup workerGroup = new NioEventLoopGroup(); bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class) .option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.SO_KEEPALIVE, true) .childHandler(new ChannelInitializer<SocketChannel>() { @Override public void handlerRemoved(ChannelHandlerContext ctx) throws Exception { logger.fine("Client disconnected."); } @Override public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception { handleError(cause); } @Override protected void initChannel(SocketChannel ch) throws Exception { ch.pipeline().addLast(new VoteDecrypter(key)).addLast(new LineSplitter()) .addLast(new VoteDecoder()).addLast(new VersionEncoder()) .addLast(new ChannelInboundHandlerAdapter() { @Override public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception { if (!(msg instanceof Operation)) { return; } Operation operation = (Operation) msg; if (operation.getOperation().equals("VOTE")) { listener.accept( new VoteEvent(operation.getUsername(), operation.getService(), operation.getAddress(), operation.getTimestamp())); ctx.channel().close(); } else { throw new UnsupportedOperationException(operation.getOperation()); } } @Override public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception { handleError(cause); } }); logger.info("Client connected: Sending version packet."); ch.writeAndFlush(version); } }); }
From source file:basic.TimeClient.java
License:Apache License
public void connect(int port, String host) throws Exception { // ?NIO// ww w.ja v a 2 s . c o m EventLoopGroup group = new NioEventLoopGroup(); try { Bootstrap b = new Bootstrap(); b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true) .handler(new ChannelInitializer<SocketChannel>() { @Override public void initChannel(SocketChannel ch) throws Exception { ch.pipeline().addLast(new TimeClientHandler()); } }); // ?? ChannelFuture f = b.connect(host, port).sync(); // f.channel().closeFuture().sync(); } finally { // NIO group.shutdownGracefully(); } }
From source file:bftsmart.communication.client.netty.NettyClientServerCommunicationSystemClientSide.java
License:Apache License
private ChannelInitializer getChannelInitializer() throws NoSuchAlgorithmException { final NettyClientPipelineFactory nettyClientPipelineFactory = new NettyClientPipelineFactory(this, sessionClientToReplica, controller, rl); ChannelInitializer channelInitializer = new ChannelInitializer<SocketChannel>() { @Override//www . jav a2s . c o m public void initChannel(SocketChannel ch) throws Exception { ch.pipeline().addLast(nettyClientPipelineFactory.getDecoder()); ch.pipeline().addLast(nettyClientPipelineFactory.getEncoder()); ch.pipeline().addLast(nettyClientPipelineFactory.getHandler()); } }; return channelInitializer; }
From source file:bftsmart.communication.client.netty.NettyClientServerCommunicationSystemServerSide.java
License:Apache License
public NettyClientServerCommunicationSystemServerSide(ServerViewController controller) { try {/* ww w . ja v a2 s.c o m*/ this.controller = controller; /* Tulio Ribeiro */ privKey = controller.getStaticConf().getPrivateKey(); sessionReplicaToClient = new ConcurrentHashMap<>(); rl = new ReentrantReadWriteLock(); // Configure the server. serverPipelineFactory = new NettyServerPipelineFactory(this, sessionReplicaToClient, controller, rl); EventLoopGroup bossGroup = new NioEventLoopGroup(bossThreads); EventLoopGroup workerGroup = new NioEventLoopGroup(Runtime.getRuntime().availableProcessors()); ServerBootstrap b = new ServerBootstrap(); b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class) .option(ChannelOption.SO_REUSEADDR, true).option(ChannelOption.SO_KEEPALIVE, true) .option(ChannelOption.TCP_NODELAY, true).option(ChannelOption.SO_SNDBUF, tcpSendBufferSize) .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, connectionTimeoutMsec) .option(ChannelOption.SO_BACKLOG, connectionBacklog) .childHandler(new ChannelInitializer<SocketChannel>() { @Override public void initChannel(SocketChannel ch) throws Exception { ch.pipeline().addLast(serverPipelineFactory.getDecoder()); ch.pipeline().addLast(serverPipelineFactory.getEncoder()); ch.pipeline().addLast(serverPipelineFactory.getHandler()); } }).childOption(ChannelOption.SO_KEEPALIVE, true).childOption(ChannelOption.TCP_NODELAY, true); String myAddress; String confAddress = controller.getStaticConf() .getRemoteAddress(controller.getStaticConf().getProcessId()).getAddress().getHostAddress(); if (InetAddress.getLoopbackAddress().getHostAddress().equals(confAddress)) { myAddress = InetAddress.getLoopbackAddress().getHostAddress(); } else if (controller.getStaticConf().getBindAddress().equals("")) { myAddress = InetAddress.getLocalHost().getHostAddress(); // If Netty binds to the loopback address, clients will not be able to connect // to replicas. // To solve that issue, we bind to the address supplied in config/hosts.config // instead. if (InetAddress.getLoopbackAddress().getHostAddress().equals(myAddress) && !myAddress.equals(confAddress)) { myAddress = confAddress; } } else { myAddress = controller.getStaticConf().getBindAddress(); } int myPort = controller.getStaticConf().getPort(controller.getStaticConf().getProcessId()); ChannelFuture f = b.bind(new InetSocketAddress(myAddress, myPort)).sync(); logger.info("ID = " + controller.getStaticConf().getProcessId()); logger.info("N = " + controller.getCurrentViewN()); logger.info("F = " + controller.getCurrentViewF()); logger.info("Port (client <-> server) = " + controller.getStaticConf().getPort(controller.getStaticConf().getProcessId())); logger.info("Port (server <-> server) = " + controller.getStaticConf().getServerToServerPort(controller.getStaticConf().getProcessId())); logger.info("requestTimeout = " + controller.getStaticConf().getRequestTimeout()); logger.info("maxBatch = " + controller.getStaticConf().getMaxBatchSize()); if (controller.getStaticConf().getUseSignatures() == 1) logger.info("Using Signatures"); else if (controller.getStaticConf().getUseSignatures() == 2) logger.info("Using benchmark signature verification"); logger.info("Binded replica to IP address " + myAddress); // ******* EDUARDO END **************// /* Tulio Ribeiro */ // SSL/TLS logger.info("SSL/TLS enabled, protocol version: {}", controller.getStaticConf().getSSLTLSProtocolVersion()); /* Tulio Ribeiro END */ mainChannel = f.channel(); } catch (InterruptedException | UnknownHostException ex) { logger.error("Failed to create Netty communication system", ex); } }
From source file:blazingcache.network.netty.NettyChannelAcceptor.java
License:Apache License
public void start() throws Exception { if (ssl) {//from w w w . j a v a 2s .com if (sslCertFile == null) { LOGGER.log(Level.SEVERE, "start SSL with self-signed auto-generated certificate"); if (sslCiphers != null) { LOGGER.log(Level.SEVERE, "required sslCiphers " + sslCiphers); } SelfSignedCertificate ssc = new SelfSignedCertificate(); try { sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).ciphers(sslCiphers) .build(); } finally { ssc.delete(); } } else { LOGGER.log(Level.SEVERE, "start SSL with certificate " + sslCertFile.getAbsolutePath() + " chain file " + sslCertChainFile.getAbsolutePath()); if (sslCiphers != null) { LOGGER.log(Level.SEVERE, "required sslCiphers " + sslCiphers); } sslCtx = SslContextBuilder.forServer(sslCertChainFile, sslCertFile, sslCertPassword) .ciphers(sslCiphers).build(); } } if (callbackThreads == 0) { callbackExecutor = Executors.newCachedThreadPool(); } else { callbackExecutor = Executors.newFixedThreadPool(callbackThreads, new ThreadFactory() { private final AtomicLong count = new AtomicLong(); @Override public Thread newThread(Runnable r) { return new Thread(r, "blazingcache-callbacks-" + count.incrementAndGet()); } }); } bossGroup = new NioEventLoopGroup(workerThreads); workerGroup = new NioEventLoopGroup(workerThreads); ServerBootstrap b = new ServerBootstrap(); b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class) .childHandler(new ChannelInitializer<SocketChannel>() { @Override public void initChannel(SocketChannel ch) throws Exception { NettyChannel session = new NettyChannel("unnamed", ch, callbackExecutor, null); if (acceptor != null) { acceptor.createConnection(session); } // ch.pipeline().addLast(new LoggingHandler()); // Add SSL handler first to encrypt and decrypt everything. if (ssl) { ch.pipeline().addLast(sslCtx.newHandler(ch.alloc())); } ch.pipeline().addLast("lengthprepender", new LengthFieldPrepender(4)); ch.pipeline().addLast("lengthbaseddecoder", new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4, 0, 4)); // ch.pipeline().addLast("messageencoder", new DataMessageEncoder()); ch.pipeline().addLast("messagedecoder", new DataMessageDecoder()); ch.pipeline().addLast(new InboundMessageHandler(session)); } }).option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.SO_KEEPALIVE, true); ChannelFuture f = b.bind(host, port).sync(); // (7) this.channel = f.channel(); }
From source file:blazingcache.network.netty.NettyConnector.java
License:Apache License
public NettyChannel connect() throws Exception { if (ssl) {/*from w w w . java2 s.c o m*/ this.sslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build(); } group = new NioEventLoopGroup(); Bootstrap b = new Bootstrap(); b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true) .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, connectTimeout) .handler(new ChannelInitializer<SocketChannel>() { @Override public void initChannel(SocketChannel ch) throws Exception { channel = new NettyChannel(host + ":" + port, ch, callbackExecutor, NettyConnector.this); channel.setMessagesReceiver(receiver); if (ssl) { ch.pipeline().addLast(sslCtx.newHandler(ch.alloc(), host, port)); } if (socketTimeout > 0) { ch.pipeline().addLast("readTimeoutHandler", new ReadTimeoutHandler(socketTimeout)); } ch.pipeline().addLast("lengthprepender", new LengthFieldPrepender(4)); ch.pipeline().addLast("lengthbaseddecoder", new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4, 0, 4)); // ch.pipeline().addLast("messageencoder", new DataMessageEncoder()); ch.pipeline().addLast("messagedecoder", new DataMessageDecoder()); ch.pipeline().addLast(new InboundMessageHandler(channel)); } }); ChannelFuture f = b.connect(host, port).sync(); socketchannel = f.channel(); return channel; }
From source file:book.netty.n1basicC3.TimeClient.java
License:Apache License
public void connect(int port, String host) throws Exception { // ?NIO//from w w w .j a va 2 s. c om EventLoopGroup group = new NioEventLoopGroup(); try { Bootstrap b = new Bootstrap(); b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true) .handler(new ChannelInitializer<SocketChannel>() { @Override public void initChannel(SocketChannel ch) throws Exception { ch.pipeline().addLast(new TimeClientHandler()); } }); // ?? ChannelFuture f = b.connect(host, port).sync(); // f.channel().closeFuture().sync(); } finally { // NIO group.shutdownGracefully(); } }
From source file:book.netty.n2defualtC4P2.TimeClient.java
License:Apache License
public void connect(int port, String host) throws Exception { // ?NIO// w w w. j a v a2 s .c om EventLoopGroup group = new NioEventLoopGroup(); try { Bootstrap b = new Bootstrap(); b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true) .handler(new ChannelInitializer<SocketChannel>() { @Override public void initChannel(SocketChannel ch) throws Exception { ch.pipeline().addLast(new TimeClientHandler()); } }); // ?? ChannelFuture f = b.connect(host, port).sync(); // f.channel().closeFuture().sync(); } finally { // NIO group.shutdownGracefully(); } }
From source file:book.netty.n3correctC4P3.TimeClient.java
License:Apache License
public void connect(int port, String host) throws Exception { // ?NIO/*from w w w .j av a 2 s. c o m*/ EventLoopGroup group = new NioEventLoopGroup(); try { Bootstrap b = new Bootstrap(); b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true) .handler(new ChannelInitializer<SocketChannel>() { @Override public void initChannel(SocketChannel ch) throws Exception { ch.pipeline().addLast(new LineBasedFrameDecoder(1024)); ch.pipeline().addLast(new StringDecoder()); ch.pipeline().addLast(new TimeClientHandler()); } }); // ?? ChannelFuture f = b.connect(host, port).sync(); // f.channel().closeFuture().sync(); } finally { // NIO group.shutdownGracefully(); } }
From source file:book.netty.n4delimiterC5P1.EchoClient.java
License:Apache License
public void connect(int port, String host) throws Exception { // ?NIO/* w w w . j a v a 2 s . c om*/ EventLoopGroup group = new NioEventLoopGroup(); try { Bootstrap b = new Bootstrap(); b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true) .handler(new ChannelInitializer<SocketChannel>() { @Override public void initChannel(SocketChannel ch) throws Exception { ByteBuf delimiter = Unpooled.copiedBuffer("$_".getBytes()); ch.pipeline().addLast(new DelimiterBasedFrameDecoder(1024, delimiter)); ch.pipeline().addLast(new StringDecoder()); ch.pipeline().addLast(new EchoClientHandler()); } }); // ?? ChannelFuture f = b.connect(host, port).sync(); // f.channel().closeFuture().sync(); } finally { // NIO group.shutdownGracefully(); } }