List of usage examples for io.netty.handler.codec LengthFieldBasedFrameDecoder LengthFieldBasedFrameDecoder
public LengthFieldBasedFrameDecoder(int maxFrameLength, int lengthFieldOffset, int lengthFieldLength, int lengthAdjustment, int initialBytesToStrip)
From source file:net.kuujo.copycat.io.transport.NettyClient.java
License:Apache License
@Override public CompletableFuture<Connection> connect(Address address) { Assert.notNull(address, "address"); Context context = getContext(); CompletableFuture<Connection> future = new ComposableFuture<>(); LOGGER.info("Connecting to {}", address); Bootstrap bootstrap = new Bootstrap(); bootstrap.group(eventLoopGroup).channel( eventLoopGroup instanceof EpollEventLoopGroup ? EpollSocketChannel.class : NioSocketChannel.class) .handler(new ChannelInitializer<SocketChannel>() { @Override/*ww w . ja va 2 s. c om*/ protected void initChannel(SocketChannel channel) throws Exception { ChannelPipeline pipeline = channel.pipeline(); pipeline.addLast(FIELD_PREPENDER); pipeline.addLast(new LengthFieldBasedFrameDecoder(1024 * 32, 0, 2, 0, 2)); pipeline.addLast(new ClientHandler(connections, future::complete, context)); } }); bootstrap.option(ChannelOption.TCP_NODELAY, true); bootstrap.option(ChannelOption.SO_KEEPALIVE, true); bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 5000); bootstrap.option(ChannelOption.ALLOCATOR, ALLOCATOR); bootstrap.connect(address.socketAddress()).addListener(channelFuture -> { if (channelFuture.isSuccess()) { LOGGER.info("Connected to {}", address); } else { context.execute(() -> future.completeExceptionally(channelFuture.cause())); } }); return future; }
From source file:net.kuujo.copycat.io.transport.NettyServer.java
License:Apache License
/** * Starts listening for the given member. *///from www . j a v a 2s. co m private void listen(Address address, Consumer<Connection> listener, Context context) { channelGroup = new DefaultChannelGroup("copycat-acceptor-channels", GlobalEventExecutor.INSTANCE); handler = new ServerHandler(connections, listener, context); final ServerBootstrap bootstrap = new ServerBootstrap(); bootstrap.group(eventLoopGroup) .channel(eventLoopGroup instanceof EpollEventLoopGroup ? EpollServerSocketChannel.class : NioServerSocketChannel.class) .handler(new LoggingHandler(LogLevel.DEBUG)).childHandler(new ChannelInitializer<SocketChannel>() { @Override public void initChannel(SocketChannel channel) throws Exception { ChannelPipeline pipeline = channel.pipeline(); pipeline.addLast(FIELD_PREPENDER); pipeline.addLast(new LengthFieldBasedFrameDecoder(1024 * 32, 0, 2, 0, 2)); pipeline.addLast(handler); } }).option(ChannelOption.SO_BACKLOG, 128).option(ChannelOption.TCP_NODELAY, true) .option(ChannelOption.SO_REUSEADDR, true).childOption(ChannelOption.ALLOCATOR, ALLOCATOR) .childOption(ChannelOption.SO_KEEPALIVE, true); LOGGER.info("Binding to {}", address); ChannelFuture bindFuture = bootstrap.bind(address.socketAddress()); bindFuture.addListener((ChannelFutureListener) channelFuture -> { if (channelFuture.isSuccess()) { listening = true; context.executor().execute(() -> { LOGGER.info("Listening at {}", bindFuture.channel().localAddress()); listenFuture.complete(null); }); } else { context.execute(() -> listenFuture.completeExceptionally(channelFuture.cause())); } }); channelGroup.add(bindFuture.channel()); }
From source file:net.kuujo.copycat.netty.NettyTcpProtocolClient.java
License:Apache License
@Override public CompletableFuture<Void> connect() { final CompletableFuture<Void> future = new CompletableFuture<>(); if (channel != null) { future.complete(null);/*from ww w. j a va 2 s.c om*/ return future; } final SslContext sslContext; if (protocol.isSsl()) { try { sslContext = SslContext.newClientContext(InsecureTrustManagerFactory.INSTANCE); } catch (SSLException e) { future.completeExceptionally(e); return future; } } else { sslContext = null; } group = new NioEventLoopGroup(protocol.getThreads()); Bootstrap bootstrap = new Bootstrap(); bootstrap.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() { @Override protected void initChannel(SocketChannel channel) throws Exception { ChannelPipeline pipeline = channel.pipeline(); if (sslContext != null) { pipeline.addLast(sslContext.newHandler(channel.alloc(), host, port)); } pipeline.addLast("frameDecoder", new LengthFieldBasedFrameDecoder(1048576, 0, 4, 0, 4)); pipeline.addLast("bytesDecoder", new ByteArrayDecoder()); pipeline.addLast("frameEncoder", new LengthFieldPrepender(4)); pipeline.addLast("bytesEncoder", new ByteArrayEncoder()); pipeline.addLast("handler", channelHandler); } }); if (protocol.getSendBufferSize() > -1) { bootstrap.option(ChannelOption.SO_SNDBUF, protocol.getSendBufferSize()); } if (protocol.getReceiveBufferSize() > -1) { bootstrap.option(ChannelOption.SO_RCVBUF, protocol.getReceiveBufferSize()); } if (protocol.getTrafficClass() > -1) { bootstrap.option(ChannelOption.IP_TOS, protocol.getTrafficClass()); } bootstrap.option(ChannelOption.TCP_NODELAY, true); bootstrap.option(ChannelOption.SO_LINGER, protocol.getSoLinger()); bootstrap.option(ChannelOption.SO_KEEPALIVE, true); bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, protocol.getConnectTimeout()); bootstrap.connect(host, port).addListener((ChannelFutureListener) channelFuture -> { if (channelFuture.isSuccess()) { channel = channelFuture.channel(); future.complete(null); } else { future.completeExceptionally(channelFuture.cause()); } }); return future; }
From source file:net.kuujo.copycat.netty.NettyTcpProtocolServer.java
License:Apache License
@Override public synchronized CompletableFuture<Void> listen() { final CompletableFuture<Void> future = new CompletableFuture<>(); final SslContext sslContext; if (protocol.isSsl()) { try {/* w w w . j a va2 s . c o m*/ SelfSignedCertificate ssc = new SelfSignedCertificate(); sslContext = SslContext.newServerContext(ssc.certificate(), ssc.privateKey()); } catch (SSLException | CertificateException e) { future.completeExceptionally(e); return future; } } else { sslContext = null; } serverGroup = new NioEventLoopGroup(); workerGroup = new NioEventLoopGroup(protocol.getThreads()); final ServerBootstrap bootstrap = new ServerBootstrap(); bootstrap.group(serverGroup, workerGroup).channel(NioServerSocketChannel.class) .childHandler(new ChannelInitializer<SocketChannel>() { @Override public void initChannel(SocketChannel channel) throws Exception { ChannelPipeline pipeline = channel.pipeline(); if (sslContext != null) { pipeline.addLast(sslContext.newHandler(channel.alloc())); } pipeline.addLast("frameDecoder", new LengthFieldBasedFrameDecoder(1048576, 0, 4, 0, 4)); pipeline.addLast("bytesDecoder", new ByteArrayDecoder()); pipeline.addLast("frameEncoder", new LengthFieldPrepender(4)); pipeline.addLast("bytesEncoder", new ByteArrayEncoder()); pipeline.addLast("handler", new ServerHandler()); } }).option(ChannelOption.SO_BACKLOG, 128); if (protocol.getSendBufferSize() > -1) { bootstrap.option(ChannelOption.SO_SNDBUF, protocol.getSendBufferSize()); } if (protocol.getReceiveBufferSize() > -1) { bootstrap.option(ChannelOption.SO_RCVBUF, protocol.getReceiveBufferSize()); } bootstrap.option(ChannelOption.TCP_NODELAY, true); bootstrap.option(ChannelOption.SO_REUSEADDR, true); bootstrap.option(ChannelOption.SO_KEEPALIVE, true); bootstrap.option(ChannelOption.SO_BACKLOG, protocol.getAcceptBacklog()); if (protocol.getTrafficClass() > -1) { bootstrap.option(ChannelOption.IP_TOS, protocol.getTrafficClass()); } bootstrap.childOption(ChannelOption.SO_KEEPALIVE, true); // Bind and start to accept incoming connections. bootstrap.bind(host, port).addListener((ChannelFutureListener) channelFuture -> { channelFuture.channel().closeFuture().addListener(closeFuture -> { workerGroup.shutdownGracefully(); }); if (channelFuture.isSuccess()) { channel = channelFuture.channel(); future.complete(null); } else { future.completeExceptionally(channelFuture.cause()); } }); return future; }
From source file:net.sourceforge.entrainer.gui.socket.EntrainerSocketConnector.java
License:Open Source License
private void initConnector() { bootstrap = new Bootstrap(); bootstrap.group(new NioEventLoopGroup()); bootstrap.channel(NioSocketChannel.class); bootstrap.handler(new ChannelInitializer<Channel>() { @Override/* w w w .java 2 s. c o m*/ protected void initChannel(Channel ch) throws Exception { ChannelPipeline pipeline = ch.pipeline(); if (webSocketConnection.isSelected()) { pipeline.addLast("http-codec", new HttpClientCodec()); pipeline.addLast("aggregator", new HttpObjectAggregator(8192)); pipeline.addLast(getWebSocketHandler()); } else { pipeline.addLast(new LengthFieldBasedFrameDecoder(10000, 0, 4, 0, 4)); pipeline.addLast(new StringDecoder()); pipeline.addLast(new LengthFieldPrepender(4)); pipeline.addLast(new StringEncoder()); pipeline.addLast(getJavaHandler()); } } }); }
From source file:net.sourceforge.entrainer.socket.PortUnificationHandler.java
License:Open Source License
private void switchToJava(ChannelHandlerContext ctx) throws Exception { ChannelPipeline pipeline = ctx.pipeline(); pipeline.addLast(new LengthFieldBasedFrameDecoder(10000, 0, 4, 0, 4)); pipeline.addLast(new StringDecoder()); pipeline.addLast(new LengthFieldPrepender(4)); pipeline.addLast(new StringEncoder()); pipeline.addLast(nettyConnectionHandler); nettyConnectionHandler.channelActive(ctx); pipeline.remove(this); }
From source file:org.aaron.sms.protocol.SMSProtocolChannelInitializer.java
License:Open Source License
@Override protected void initChannel(Channel ch) throws Exception { final ChannelPipeline p = ch.pipeline(); p.addLast("logger", new LoggingHandler(LogLevel.DEBUG)); p.addLast("frameEncoder", new LengthFieldPrepender(SMSProtocolConstants.MESSAGE_HEADER_LENGTH_BYTES)); p.addLast("frameDecoder", new LengthFieldBasedFrameDecoder(SMSProtocolConstants.MAX_MESSAGE_LENGTH_BYTES, 0, SMSProtocolConstants.MESSAGE_HEADER_LENGTH_BYTES, 0, SMSProtocolConstants.MESSAGE_HEADER_LENGTH_BYTES)); p.addLast("protobufEncoder", new ProtobufEncoder()); p.addLast("protobufDecoder", new ProtobufDecoder(messagePrototype)); p.addLast("customHandler", handlerSupplier.get()); }
From source file:org.apache.bookkeeper.proto.BookieNettyServer.java
License:Apache License
private void listenOn(InetSocketAddress address, BookieSocketAddress bookieAddress) throws InterruptedException { if (!conf.isDisableServerSocketBind()) { ServerBootstrap bootstrap = new ServerBootstrap(); bootstrap.option(ChannelOption.ALLOCATOR, allocator); bootstrap.childOption(ChannelOption.ALLOCATOR, allocator); bootstrap.group(eventLoopGroup, eventLoopGroup); bootstrap.childOption(ChannelOption.TCP_NODELAY, conf.getServerTcpNoDelay()); bootstrap.childOption(ChannelOption.SO_LINGER, conf.getServerSockLinger()); bootstrap.childOption(ChannelOption.RCVBUF_ALLOCATOR, new AdaptiveRecvByteBufAllocator(conf.getRecvByteBufAllocatorSizeMin(), conf.getRecvByteBufAllocatorSizeInitial(), conf.getRecvByteBufAllocatorSizeMax())); bootstrap.option(ChannelOption.WRITE_BUFFER_WATER_MARK, new WriteBufferWaterMark( conf.getServerWriteBufferLowWaterMark(), conf.getServerWriteBufferHighWaterMark())); if (eventLoopGroup instanceof EpollEventLoopGroup) { bootstrap.channel(EpollServerSocketChannel.class); } else {// w w w .j av a2s . com bootstrap.channel(NioServerSocketChannel.class); } bootstrap.childHandler(new ChannelInitializer<SocketChannel>() { @Override protected void initChannel(SocketChannel ch) throws Exception { synchronized (suspensionLock) { while (suspended) { suspensionLock.wait(); } } BookieSideConnectionPeerContextHandler contextHandler = new BookieSideConnectionPeerContextHandler(); ChannelPipeline pipeline = ch.pipeline(); // For ByteBufList, skip the usual LengthFieldPrepender and have the encoder itself to add it pipeline.addLast("bytebufList", ByteBufList.ENCODER_WITH_SIZE); pipeline.addLast("lengthbaseddecoder", new LengthFieldBasedFrameDecoder(maxFrameSize, 0, 4, 0, 4)); pipeline.addLast("lengthprepender", new LengthFieldPrepender(4)); pipeline.addLast("bookieProtoDecoder", new BookieProtoEncoding.RequestDecoder(registry)); pipeline.addLast("bookieProtoEncoder", new BookieProtoEncoding.ResponseEncoder(registry)); pipeline.addLast("bookieAuthHandler", new AuthHandler.ServerSideHandler( contextHandler.getConnectionPeer(), authProviderFactory)); ChannelInboundHandler requestHandler = isRunning.get() ? new BookieRequestHandler(conf, requestProcessor, allChannels) : new RejectRequestHandler(); pipeline.addLast("bookieRequestHandler", requestHandler); pipeline.addLast("contextHandler", contextHandler); } }); // Bind and start to accept incoming connections Channel listen = bootstrap.bind(address.getAddress(), address.getPort()).sync().channel(); if (listen.localAddress() instanceof InetSocketAddress) { if (conf.getBookiePort() == 0) { conf.setBookiePort(((InetSocketAddress) listen.localAddress()).getPort()); } } } if (conf.isEnableLocalTransport()) { ServerBootstrap jvmBootstrap = new ServerBootstrap(); jvmBootstrap.childOption(ChannelOption.ALLOCATOR, new PooledByteBufAllocator(true)); jvmBootstrap.group(jvmEventLoopGroup, jvmEventLoopGroup); jvmBootstrap.childOption(ChannelOption.TCP_NODELAY, conf.getServerTcpNoDelay()); jvmBootstrap.childOption(ChannelOption.SO_KEEPALIVE, conf.getServerSockKeepalive()); jvmBootstrap.childOption(ChannelOption.SO_LINGER, conf.getServerSockLinger()); jvmBootstrap.childOption(ChannelOption.RCVBUF_ALLOCATOR, new AdaptiveRecvByteBufAllocator(conf.getRecvByteBufAllocatorSizeMin(), conf.getRecvByteBufAllocatorSizeInitial(), conf.getRecvByteBufAllocatorSizeMax())); jvmBootstrap.option(ChannelOption.WRITE_BUFFER_WATER_MARK, new WriteBufferWaterMark( conf.getServerWriteBufferLowWaterMark(), conf.getServerWriteBufferHighWaterMark())); if (jvmEventLoopGroup instanceof DefaultEventLoopGroup) { jvmBootstrap.channel(LocalServerChannel.class); } else if (jvmEventLoopGroup instanceof EpollEventLoopGroup) { jvmBootstrap.channel(EpollServerSocketChannel.class); } else { jvmBootstrap.channel(NioServerSocketChannel.class); } jvmBootstrap.childHandler(new ChannelInitializer<LocalChannel>() { @Override protected void initChannel(LocalChannel ch) throws Exception { synchronized (suspensionLock) { while (suspended) { suspensionLock.wait(); } } BookieSideConnectionPeerContextHandler contextHandler = new BookieSideConnectionPeerContextHandler(); ChannelPipeline pipeline = ch.pipeline(); pipeline.addLast("lengthbaseddecoder", new LengthFieldBasedFrameDecoder(maxFrameSize, 0, 4, 0, 4)); pipeline.addLast("lengthprepender", new LengthFieldPrepender(4)); pipeline.addLast("bookieProtoDecoder", new BookieProtoEncoding.RequestDecoder(registry)); pipeline.addLast("bookieProtoEncoder", new BookieProtoEncoding.ResponseEncoder(registry)); pipeline.addLast("bookieAuthHandler", new AuthHandler.ServerSideHandler( contextHandler.getConnectionPeer(), authProviderFactory)); ChannelInboundHandler requestHandler = isRunning.get() ? new BookieRequestHandler(conf, requestProcessor, allChannels) : new RejectRequestHandler(); pipeline.addLast("bookieRequestHandler", requestHandler); pipeline.addLast("contextHandler", contextHandler); } }); // use the same address 'name', so clients can find local Bookie still discovering them using ZK jvmBootstrap.bind(bookieAddress.getLocalAddress()).sync(); LocalBookiesRegistry.registerLocalBookieAddress(bookieAddress); } }
From source file:org.apache.bookkeeper.proto.PerChannelBookieClient.java
License:Apache License
protected ChannelFuture connect() { final long startTime = MathUtils.nowInNano(); if (LOG.isDebugEnabled()) { LOG.debug("Connecting to bookie: {}", addr); }// w ww. j a v a 2 s . c o m // Set up the ClientBootStrap so we can create a new Channel connection to the bookie. Bootstrap bootstrap = new Bootstrap(); bootstrap.group(eventLoopGroup); if (eventLoopGroup instanceof EpollEventLoopGroup) { bootstrap.channel(EpollSocketChannel.class); } else if (eventLoopGroup instanceof DefaultEventLoopGroup) { bootstrap.channel(LocalChannel.class); } else { bootstrap.channel(NioSocketChannel.class); } bootstrap.option(ChannelOption.ALLOCATOR, this.allocator); bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, conf.getClientConnectTimeoutMillis()); bootstrap.option(ChannelOption.WRITE_BUFFER_WATER_MARK, new WriteBufferWaterMark( conf.getClientWriteBufferLowWaterMark(), conf.getClientWriteBufferHighWaterMark())); if (!(eventLoopGroup instanceof DefaultEventLoopGroup)) { bootstrap.option(ChannelOption.TCP_NODELAY, conf.getClientTcpNoDelay()); bootstrap.option(ChannelOption.SO_KEEPALIVE, conf.getClientSockKeepalive()); // if buffer sizes are 0, let OS auto-tune it if (conf.getClientSendBufferSize() > 0) { bootstrap.option(ChannelOption.SO_SNDBUF, conf.getClientSendBufferSize()); } if (conf.getClientReceiveBufferSize() > 0) { bootstrap.option(ChannelOption.SO_RCVBUF, conf.getClientReceiveBufferSize()); } } // In the netty pipeline, we need to split packets based on length, so we // use the {@link LengthFieldBasedFramDecoder}. Other than that all actions // are carried out in this class, e.g., making sense of received messages, // prepending the length to outgoing packets etc. bootstrap.handler(new ChannelInitializer<Channel>() { @Override protected void initChannel(Channel ch) throws Exception { ChannelPipeline pipeline = ch.pipeline(); pipeline.addLast("bytebufList", ByteBufList.ENCODER_WITH_SIZE); pipeline.addLast("lengthbasedframedecoder", new LengthFieldBasedFrameDecoder(maxFrameSize, 0, 4, 0, 4)); pipeline.addLast("lengthprepender", new LengthFieldPrepender(4)); pipeline.addLast("bookieProtoEncoder", new BookieProtoEncoding.RequestEncoder(extRegistry)); pipeline.addLast("bookieProtoDecoder", new BookieProtoEncoding.ResponseDecoder(extRegistry, useV2WireProtocol)); pipeline.addLast("authHandler", new AuthHandler.ClientSideHandler(authProviderFactory, txnIdGenerator, connectionPeer, useV2WireProtocol)); pipeline.addLast("mainhandler", PerChannelBookieClient.this); } }); SocketAddress bookieAddr = addr.getSocketAddress(); if (eventLoopGroup instanceof DefaultEventLoopGroup) { bookieAddr = addr.getLocalAddress(); } ChannelFuture future = bootstrap.connect(bookieAddr); future.addListener(contextPreservingListener(new ConnectionFutureListener(startTime))); future.addListener(x -> makeWritable()); return future; }
From source file:org.apache.camel.component.netty4.ChannelHandlerFactories.java
License:Apache License
public static ChannelHandlerFactory newLengthFieldBasedFrameDecoder(final int maxFrameLength, final int lengthFieldOffset, final int lengthFieldLength, final int lengthAdjustment, final int initialBytesToStrip) { return new DefaultChannelHandlerFactory() { @Override//from w w w .ja va 2s . c om public ChannelHandler newChannelHandler() { return new LengthFieldBasedFrameDecoder(maxFrameLength, lengthFieldOffset, lengthFieldLength, lengthAdjustment, initialBytesToStrip); } }; }