Example usage for io.netty.handler.codec LengthFieldBasedFrameDecoder LengthFieldBasedFrameDecoder

List of usage examples for io.netty.handler.codec LengthFieldBasedFrameDecoder LengthFieldBasedFrameDecoder

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Introduction

In this page you can find the example usage for io.netty.handler.codec LengthFieldBasedFrameDecoder LengthFieldBasedFrameDecoder.

Prototype

public LengthFieldBasedFrameDecoder(int maxFrameLength, int lengthFieldOffset, int lengthFieldLength)

Source Link

Document

Creates a new instance.

Usage

From source file:james.learn.netty.echo2.EchoClient.java

License:Apache License

public void connect(int port, String host) throws Exception {
    // ?NIO//from w  ww  .  j  a v a2  s  . com
    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 LengthFieldBasedFrameDecoder(1024 * 1024, 0, 4));
                        ch.pipeline().addLast(new LengthFieldPrepender(4, false));
                        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();
    }
}

From source file:james.learn.netty.echo2.EchoServer.java

License:Apache License

public void bind(int port) throws Exception {
    // ??NIO/*from w  w w. ja  v a 2  s . co  m*/
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, 100).handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(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 LengthFieldBasedFrameDecoder(1024 * 1024, 0, 4));
                        ch.pipeline().addLast(new LengthFieldPrepender(4, false));
                        ch.pipeline().addLast(new StringDecoder());
                        ch.pipeline().addLast(new EchoServerHandler());
                    }
                });

        // ???
        ChannelFuture f = b.bind(port).sync();

        // ???
        f.channel().closeFuture().sync();
    } finally {
        // ?
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:org.aotorrent.client.InboundChannelInitializer.java

License:Apache License

@Override
public void initChannel(SocketChannel ch) throws Exception {
    ChannelPipeline p = ch.pipeline();/*from   w w  w.ja va 2s  .c  o m*/
    //p.addLast(new LoggingHandler(LogLevel.INFO));
    p.addLast("timeoutHandler", new ReadTimeoutHandler(60, TimeUnit.SECONDS));
    p.addLast("bytesEncoder", new ByteArrayEncoder());
    p.addLast("handshakeHandler", new InboundHandshakeHandler(client));
    p.addLast("lengthFrameDecoder", new LengthFieldBasedFrameDecoder(65535, 0, 4));
    p.addLast("peerRequestDecoder", new PeerRequestDecoder());
}

From source file:org.aotorrent.client.OutboundChannelInitializer.java

License:Apache License

@Override
public void initChannel(SocketChannel ch) throws Exception {
    ChannelPipeline p = ch.pipeline();/*from  www  . j a  va 2 s .co  m*/
    //p.addLast(new LoggingHandler(LogLevel.INFO));
    p.addLast("trafficCounter", torrentEngine.getCounter());
    p.addLast("timeoutHandler", new ReadTimeoutHandler(60, TimeUnit.SECONDS));
    p.addLast("bytesEncoder", new ByteArrayEncoder());
    p.addLast("handshakeHandler", new OutboundHandshakeHandler(torrentEngine));
    p.addLast("lengthFrameDecoder", new LengthFieldBasedFrameDecoder(65535, 0, 4));
    p.addLast("peerRequestDecoder", new PeerRequestDecoder());
}

From source file:org.apache.hadoop.hbase.ipc.NettyRpcConnection.java

License:Apache License

private void established(Channel ch) throws IOException {
    ChannelPipeline p = ch.pipeline();//w w  w  .j av  a2 s  .c o  m
    String addBeforeHandler = p.context(BufferCallBeforeInitHandler.class).name();
    p.addBefore(addBeforeHandler, null,
            new IdleStateHandler(0, rpcClient.minIdleTimeBeforeClose, 0, TimeUnit.MILLISECONDS));
    p.addBefore(addBeforeHandler, null, new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4));
    p.addBefore(addBeforeHandler, null,
            new NettyRpcDuplexHandler(this, rpcClient.cellBlockBuilder, codec, compressor));
    p.fireUserEventTriggered(BufferCallEvent.success());
}

From source file:org.ensembl.gti.seqstore.server.MetaDataServer.java

License:Apache License

public void run() throws Exception {
    log.info("Starting server");
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*from w  w w . j  ava 2 s  .  c o m*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4),
                                getHandler());
                    }
                }).option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.SO_KEEPALIVE, true);

        // Bind and start to accept incoming connections.
        log.info("Binding to port " + port);
        ChannelFuture f = b.bind(port).sync();

        // Wait until the server socket is closed.
        // In this example, this does not happen, but you can do that to
        // gracefully shut down your server.
        log.info("Syncing future");
        f.channel().closeFuture().sync();
    } finally {
        log.info("Shutting server server");
        workerGroup.shutdownGracefully();
        bossGroup.shutdownGracefully();
    }
}

From source file:org.traccar.protocol.EelinkProtocol.java

License:Apache License

public EelinkProtocol() {
    setSupportedDataCommands(Command.TYPE_CUSTOM, Command.TYPE_POSITION_SINGLE, Command.TYPE_ENGINE_STOP,
            Command.TYPE_ENGINE_RESUME, Command.TYPE_REBOOT_DEVICE);
    addServer(new TrackerServer(false, getName()) {
        @Override//from w  ww.jav  a2s  .c o  m
        protected void addProtocolHandlers(PipelineBuilder pipeline) {
            pipeline.addLast(new LengthFieldBasedFrameDecoder(1024, 3, 2));
            pipeline.addLast(new EelinkProtocolEncoder(false));
            pipeline.addLast(new EelinkProtocolDecoder(EelinkProtocol.this));
        }
    });
    addServer(new TrackerServer(true, getName()) {
        @Override
        protected void addProtocolHandlers(PipelineBuilder pipeline) {
            pipeline.addLast(new EelinkProtocolEncoder(true));
            pipeline.addLast(new EelinkProtocolDecoder(EelinkProtocol.this));
        }
    });
}

From source file:org.traccar.protocol.GatorProtocol.java

License:Apache License

public GatorProtocol() {
    addServer(new TrackerServer(false, getName()) {
        @Override//from   w  w w  .j a va2s .  c  om
        protected void addProtocolHandlers(PipelineBuilder pipeline) {
            pipeline.addLast(new LengthFieldBasedFrameDecoder(1024, 3, 2));
            pipeline.addLast(new GatorProtocolDecoder(GatorProtocol.this));
        }
    });
    addServer(new TrackerServer(true, getName()) {
        @Override
        protected void addProtocolHandlers(PipelineBuilder pipeline) {
            pipeline.addLast(new GatorProtocolDecoder(GatorProtocol.this));
        }
    });
}

From source file:org.traccar.protocol.KhdProtocol.java

License:Apache License

public KhdProtocol() {
    setSupportedDataCommands(Command.TYPE_ENGINE_STOP, Command.TYPE_ENGINE_RESUME);
    addServer(new TrackerServer(false, getName()) {
        @Override/*from w  w  w  . j av  a2 s.co m*/
        protected void addProtocolHandlers(PipelineBuilder pipeline) {
            pipeline.addLast(new LengthFieldBasedFrameDecoder(512, 3, 2));
            pipeline.addLast(new KhdProtocolEncoder());
            pipeline.addLast(new KhdProtocolDecoder(KhdProtocol.this));
        }
    });
}