List of usage examples for io.netty.channel ChannelInitializer ChannelInitializer
ChannelInitializer
From source file:com.github.jrialland.ajpclient.pool.ChannelPool.java
License:Apache License
private static NettyConnectionPool createPool(final String host, final int port, final ChannelPoolMonitorImpl monitor) { final Bootstrap bootstrap = Channels.newBootStrap(host, port); final NettyConnectionPoolBuilder ncb = new NettyConnectionPoolBuilder(0, 200, 1000); ncb.withBootstrapProvider(new BootstrapProvider() { @Override/* w w w. j a v a 2s. c om*/ public Bootstrap createBootstrap(final PoolProvider pp) { return bootstrap; } }); ncb.withConnectionInfoProvider(new ConnectionInfoProvider() { @Override public ConnectionInfo connectionInfo(final PoolProvider pp) { final InetSocketAddress remoteAddr = new InetSocketAddress(host, port); return new ConnectionInfo(remoteAddr, null, new ChannelInitializer<Channel>() { @Override protected void initChannel(final Channel ch) throws Exception { Channels.initChannel(ch); } }); } }); /** * Always close on exception */ ncb.withContextExceptionHandler(new ContextExceptionHandler() { @Override public boolean close(final Throwable arg0, final PoolProvider arg1) { return true; } }); final NettyConnectionPool pool = ncb.build(); pool.addListener(monitor); return pool; }
From source file:com.github.jrialland.ajpclient.pool.Channels.java
License:Apache License
private static Channel connect(final String host, final int port, final EventLoopGroup eventLoopGroup) { final Bootstrap bootstrap = newBootStrap(host, port, eventLoopGroup); bootstrap.handler(new ChannelInitializer<Channel>() { @Override//from w ww .ja v a 2 s.co m protected void initChannel(final Channel ch) throws Exception { Channels.initChannel(ch); } }); try { final ChannelFuture cf = bootstrap.connect().sync(); final Channel channel = cf.channel(); if (channel == null) { throw new IllegalStateException(); } else { return channel; } } catch (final InterruptedException e) { throw new RuntimeException(e); } }
From source file:com.github.liyp.netty.App.java
License:Apache License
public static void main(String[] args) throws Exception { EventLoopGroup boss = new NioEventLoopGroup(); EventLoopGroup worker = new NioEventLoopGroup(); try {//w w w .j a v a2 s . c o m ServerBootstrap b = new ServerBootstrap(); b.group(boss, worker).channel(NioServerSocketChannel.class) .childHandler(new ChannelInitializer<SocketChannel>() { @Override protected void initChannel(SocketChannel ch) throws Exception { ch.pipeline().addLast(new ReplayingDecoder() { @Override protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception { short magicHeader = in.readShort(); logger.debug("Receive magic header: {}.", magicHeader); if (magicHeader != HEADER) { logger.error("Receive illegal magic header: {}, close channel: {}.", magicHeader, ctx.channel().remoteAddress()); ctx.close(); } short dataLen = in.readShort(); logger.debug("Receive message data length: {}.", dataLen); if (dataLen < 0) { logger.error("Data length is negative, close channel: {}.", ctx.channel().remoteAddress()); ctx.close(); } ByteBuf payload = in.readBytes(dataLen); String cloudMsg = payload.toString(CharsetUtil.UTF_8); logger.debug("Receive data: {}.", cloudMsg); out.add(cloudMsg); } }).addLast(new MessageToByteEncoder<String>() { @Override protected void encode(ChannelHandlerContext ctx, String msg, ByteBuf out) throws Exception { out.writeBytes(msg.getBytes()); } }).addLast(new ChannelInboundHandlerAdapter() { @Override public void channelActive(ChannelHandlerContext ctx) throws Exception { logger.info("start receive msg..."); } @Override public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception { logger.info("receive msg: {}", msg); logger.info("echo msg"); ctx.writeAndFlush(msg); } }); } }).option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.SO_KEEPALIVE, true); ChannelFuture f = b.bind(PORT).sync(); logger.info("9999"); f.channel().closeFuture().sync(); } finally { worker.shutdownGracefully(); boss.shutdownGracefully(); } }
From source file:com.github.liyp.netty.HandlerChainApp.java
License:Apache License
public static void main(String[] args) throws Exception { EventLoopGroup boss = new NioEventLoopGroup(); EventLoopGroup worker = new NioEventLoopGroup(); try {//from w w w. ja v a 2s.c om ServerBootstrap b = new ServerBootstrap(); b.group(boss, worker).channel(NioServerSocketChannel.class) .childHandler(new ChannelInitializer<SocketChannel>() { @Override protected void initChannel(SocketChannel ch) throws Exception { ch.pipeline().addLast(new ChannelInboundHandlerAdapter() { @Override public void channelActive(ChannelHandlerContext ctx) throws Exception { logger.info("1"); ctx.fireChannelActive(); } }).addLast(new ChannelInboundHandlerAdapter() { @Override public void channelActive(ChannelHandlerContext ctx) throws Exception { logger.info("2"); ctx.fireChannelActive(); } }).addLast(new ChannelInboundHandlerAdapter() { @Override public void channelActive(ChannelHandlerContext ctx) throws Exception { logger.info("3"); ctx.fireChannelActive(); } }); } }).option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.SO_KEEPALIVE, true); ChannelFuture f = b.bind(PORT).sync(); logger.info("9999"); f.channel().closeFuture().sync(); } finally { worker.shutdownGracefully(); boss.shutdownGracefully(); } }
From source file:com.github.milenkovicm.kafka.connection.ControlKafkaBroker.java
License:Apache License
@Override protected ChannelInitializer<SocketChannel> pipeline() { return new ChannelInitializer<SocketChannel>() { @Override/*from w w w .j a v a 2 s.c o m*/ public void initChannel(SocketChannel channel) throws Exception { final ChannelPipeline pipeline = channel.pipeline(); pipeline.addLast(new LengthFieldBasedFrameDecoder(Short.MAX_VALUE, 0, 4, 0, 4)); if (properties.get(ProducerProperties.NETTY_DEBUG_PIPELINE)) { pipeline.addLast(new LoggingHandler()); } pipeline.addLast(new MetadataHandler(properties)); pipeline.addLast(new TerminalHandler()); } }; }
From source file:com.github.milenkovicm.kafka.connection.DataKafkaBroker.java
License:Apache License
@Override protected ChannelInitializer<SocketChannel> pipeline() { return new ChannelInitializer<SocketChannel>() { @Override/* ww w . j av a 2s.co m*/ public void initChannel(SocketChannel channel) throws Exception { final ChannelPipeline pipeline = channel.pipeline(); pipeline.addLast(new LengthFieldBasedFrameDecoder(Short.MAX_VALUE, 0, 4, 0, 4)); pipeline.addLast(metricHandler); if (properties.get(ProducerProperties.NETTY_DEBUG_PIPELINE)) { pipeline.addLast(new LoggingHandler()); } if (properties.get(ProducerProperties.NETTY_HANDLER_COMPOSITE)) { pipeline.addLast(new CompositeProducerHandler(topicName, properties)); } else { pipeline.addLast(new CopyProducerHandler(topicName, properties)); } pipeline.addLast(new TerminalHandler()); } }; }
From source file:com.github.nettybook.ch4.EchoClient.java
License:Apache License
public static void main(String[] args) throws Exception { EventLoopGroup group = new NioEventLoopGroup(); try {//from ww w.ja v a 2 s . c om Bootstrap b = new Bootstrap(); b.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() { @Override public void initChannel(SocketChannel ch) throws Exception { ChannelPipeline p = ch.pipeline(); p.addLast(new EchoClientHandler1()); p.addLast(new LoggingHandler()); } }); ChannelFuture f = b.connect("localhost", 8888).sync(); f.channel().closeFuture().sync(); } finally { group.shutdownGracefully(); } }
From source file:com.github.pgasync.impl.netty.NettyPgProtocolStream.java
License:Apache License
ChannelInitializer<Channel> newProtocolInitializer(ChannelHandler onActive) {
return new ChannelInitializer<Channel>() {
@Override//from w w w .j a v a 2 s.co m
protected void initChannel(Channel channel) throws Exception {
if (useSsl) {
channel.pipeline().addLast(newSslInitiator());
}
channel.pipeline().addLast(new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 1, 4, -4, 0, true));
channel.pipeline().addLast(new ByteBufMessageDecoder());
channel.pipeline().addLast(new ByteBufMessageEncoder());
channel.pipeline().addLast(newProtocolHandler());
channel.pipeline().addLast(onActive);
}
};
}
From source file:com.github.sinsinpub.pero.manual.proxyhandler.ProxyServer.java
License:Apache License
/** * Starts a new proxy server with disabled authentication for testing purpose. * /*from ww w.j av a2 s . co m*/ * @param useSsl {@code true} if and only if implicit SSL is enabled * @param testMode the test mode * @param username the expected username. If the client tries to authenticate with a different * username, this server will fail the authentication request. * @param password the expected password. If the client tries to authenticate with a different * password, this server will fail the authentication request. * @param destination the expected destination. If the client requests proxying to a different * destination, this server will reject the connection request. */ protected ProxyServer(final boolean useSsl, TestMode testMode, InetSocketAddress destination, String username, String password, int bindPort, boolean logging) { this.testMode = testMode; this.destination = destination; this.username = username; this.password = password; ServerBootstrap b = new ServerBootstrap(); b.channel(NioServerSocketChannel.class); if (logging) { b.handler(new LoggingHandler(LogLevel.INFO)); } b.group(StaticContextProvider.group); b.childHandler(new ChannelInitializer<SocketChannel>() { @Override protected void initChannel(SocketChannel ch) throws Exception { ChannelPipeline p = ch.pipeline(); if (useSsl) { p.addLast(StaticContextProvider.serverSslCtx.newHandler(ch.alloc())); } configure(ch); } }); ch = (ServerSocketChannel) b.bind(NetUtil.LOCALHOST, bindPort).syncUninterruptibly().channel(); }
From source file:com.github.sparkfy.network.client.TransportClientFactory.java
License:Apache License
/** Create a completely new {@link TransportClient} to the remote address. */ private TransportClient createClient(InetSocketAddress address) throws IOException { logger.debug("Creating new connection to " + address); Bootstrap bootstrap = new Bootstrap(); bootstrap.group(workerGroup).channel(socketChannelClass) // Disable Nagle's Algorithm since we don't want packets to wait .option(ChannelOption.TCP_NODELAY, true).option(ChannelOption.SO_KEEPALIVE, true) .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, conf.connectionTimeoutMs()) .option(ChannelOption.ALLOCATOR, pooledAllocator); final AtomicReference<TransportClient> clientRef = new AtomicReference<TransportClient>(); final AtomicReference<Channel> channelRef = new AtomicReference<Channel>(); bootstrap.handler(new ChannelInitializer<SocketChannel>() { @Override/*from w ww . ja v a 2 s.c o m*/ public void initChannel(SocketChannel ch) { TransportChannelHandler clientHandler = context.initializePipeline(ch); clientRef.set(clientHandler.getClient()); channelRef.set(ch); } }); // Connect to the remote server long preConnect = System.nanoTime(); ChannelFuture cf = bootstrap.connect(address); if (!cf.awaitUninterruptibly(conf.connectionTimeoutMs())) { throw new IOException( String.format("Connecting to %s timed out (%s ms)", address, conf.connectionTimeoutMs())); } else if (cf.cause() != null) { throw new IOException(String.format("Failed to connect to %s", address), cf.cause()); } TransportClient client = clientRef.get(); Channel channel = channelRef.get(); assert client != null : "Channel future completed successfully with null client"; // Execute any client bootstraps synchronously before marking the Client as successful. long preBootstrap = System.nanoTime(); logger.debug("Connection to {} successful, running bootstraps...", address); try { for (TransportClientBootstrap clientBootstrap : clientBootstraps) { clientBootstrap.doBootstrap(client, channel); } } catch (Exception e) { // catch non-RuntimeExceptions too as bootstrap may be written in Scala long bootstrapTimeMs = (System.nanoTime() - preBootstrap) / 1000000; logger.error("Exception while bootstrapping client after " + bootstrapTimeMs + " ms", e); client.close(); throw Throwables.propagate(e); } long postBootstrap = System.nanoTime(); logger.debug("Successfully created connection to {} after {} ms ({} ms spent in bootstraps)", address, (postBootstrap - preConnect) / 1000000, (postBootstrap - preBootstrap) / 1000000); return client; }