Example usage for io.netty.channel ChannelFuture channel

List of usage examples for io.netty.channel ChannelFuture channel

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Introduction

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

Prototype

Channel channel();

Source Link

Document

Returns a channel where the I/O operation associated with this future takes place.

Usage

From source file:com.ociweb.pronghorn.adapter.netty.impl.WebSocketServerHandler.java

License:Apache License

private void handleHttpRequest(ChannelHandlerContext ctx, FullHttpRequest req) {
    // Handle a bad request.
    if (!req.decoderResult().isSuccess()) {
        sendHttpResponse(ctx, req, new DefaultFullHttpResponse(HTTP_1_1, BAD_REQUEST));
        return;/*from ww  w .  j  ava  2 s.c om*/
    }

    // Allow only GET methods.
    if (req.method() != GET) {
        sendHttpResponse(ctx, req, new DefaultFullHttpResponse(HTTP_1_1, FORBIDDEN));
        return;
    }

    String path = HttpStaticFileServerHandler.sanitizeUri(req.uri(), SystemPropertyUtil.get("user.dir"));
    System.out.println("path:" + path);
    if (null != path) {
        File file = new File(path);
        if (file.exists() && !file.isHidden()) {

            try {
                HttpStaticFileServerHandler.sendFile(ctx, req, file);
            } catch (ParseException e) {
                throw new RuntimeException(e);
            } catch (IOException e) {
                throw new RuntimeException(e);
            }

            return;
        }
    }

    // Handshake
    WebSocketServerHandshakerFactory wsFactory = new WebSocketServerHandshakerFactory(getWebSocketLocation(req),
            null, true);
    handshaker = wsFactory.newHandshaker(req);

    if (handshaker == null) {
        WebSocketServerHandshakerFactory.sendUnsupportedVersionResponse(ctx.channel());
    } else {
        GenericFutureListener<ChannelFuture> webSocketIsOpen = new GenericFutureListener<ChannelFuture>() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {

                System.out.println("UpgradedWebSocket for id " + future.channel().id().asShortText() + " ||| "
                        + future.channel().id().asLongText() + " thread " + Thread.currentThread().getId());

            }

        };
        handshaker.handshake(ctx.channel(), req).addListener(webSocketIsOpen);
    }
}

From source file:com.onion.master.MasterBlockReader.java

License:Apache License

public ByteBuffer readRemoteBlock(InetSocketAddress address, long blockId, long offset, long length)
        throws IOException {

    try {//from  w  w  w. j  a  v a  2  s.com
        ChannelFuture f = mClientBootstrap.connect(address).sync();

        LOG.info("Connected to remote machine {}", address);
        Channel channel = f.channel();
        SingleResponseListener listener = new SingleResponseListener();
        mHandler.addListener(listener);
        channel.writeAndFlush(new RPCBlockReadRequest(blockId, offset, length));

        RPCResponse response = listener.get(NettyClient.TIMEOUT_MS, TimeUnit.MILLISECONDS);
        channel.close().sync();

        switch (response.getType()) {
        case RPC_BLOCK_READ_RESPONSE:
            RPCBlockReadResponse blockResponse = (RPCBlockReadResponse) response;
            LOG.info("Data {} from remote machine {} received", blockId, address);

            RPCResponse.Status status = blockResponse.getStatus();
            if (status == RPCResponse.Status.SUCCESS) {
                // always clear the previous response before reading another one
                close();
                mReadResponse = blockResponse;
                return blockResponse.getPayloadDataBuffer().getReadOnlyByteBuffer();
            }
            throw new IOException(status.getMessage() + " response: " + blockResponse);
        case RPC_ERROR_RESPONSE:
            RPCErrorResponse error = (RPCErrorResponse) response;
            throw new IOException(error.getStatus().getMessage());
        default:
            throw new IOException();
        }
    } catch (Exception e) {
        throw new IOException(e);
    }
}

From source file:com.onion.master.MasterBlockWriter.java

License:Apache License

public void write(byte[] bytes, int offset, int length) throws IOException {
    SingleResponseListener listener = new SingleResponseListener();
    try {/*from   w w  w .ja v  a 2  s . c  o m*/
        // TODO(hy): keep connection open across multiple write calls.
        ChannelFuture f = mClientBootstrap.connect(mAddress).sync();

        LOG.info("Connected to remote machine {}", mAddress);
        Channel channel = f.channel();
        mHandler.addListener(listener);
        channel.writeAndFlush(new RPCBlockWriteRequest(mSessionId, mBlockId, mWrittenBytes, length,
                new DataByteArrayChannel(bytes, offset, length)));

        RPCResponse response = listener.get(NettyClient.TIMEOUT_MS, TimeUnit.MILLISECONDS);
        channel.close().sync();

        switch (response.getType()) {
        case RPC_BLOCK_WRITE_RESPONSE:
            RPCBlockWriteResponse resp = (RPCBlockWriteResponse) response;
            RPCResponse.Status status = resp.getStatus();
            LOG.info("status: {} from remote machine {} received", status, mAddress);

            if (status != RPCResponse.Status.SUCCESS) {
                throw new IOException(status.getMessage());
            }
            mWrittenBytes += length;
            break;
        case RPC_ERROR_RESPONSE:
            RPCErrorResponse error = (RPCErrorResponse) response;
            throw new IOException(error.getStatus().getMessage());
        default:
            throw new IOException();
        }
    } catch (Exception e) {
        throw new IOException(e);
    } finally {
        mHandler.removeListener(listener);
    }
}

From source file:com.palace.seeds.net.netty.EchoClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure the client.
    EventLoopGroup group = new NioEventLoopGroup();
    try {/*from   w  w w .j a va  2s  . c  o  m*/
        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 {
                        ChannelPipeline p = ch.pipeline();
                        p.addLast(new EchoClientHandler());
                    }
                });

        // Start the client.
        ChannelFuture f = b.connect(HOST, PORT).sync();

        // Wait until the connection is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down the event loop to terminate all threads.
        group.shutdownGracefully();
    }
}

From source file:com.phei.netty.chapter10.fileServer.HttpFileServer.java

License:Apache License

public void run(final int port, final String url) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*w w w. ja v  a 2 s .co m*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    protected void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast("http-decoder", new HttpRequestDecoder());
                        ch.pipeline().addLast("http-aggregator", new HttpObjectAggregator(65536));
                        ch.pipeline().addLast("http-encoder", new HttpResponseEncoder());
                        ch.pipeline().addLast("http-chunked", new ChunkedWriteHandler());
                        ch.pipeline().addLast("fileServerHandler", new HttpFileServerHandler(url));
                    }
                });
        ChannelFuture future = b.bind("192.168.1.167", port).sync();
        System.out.println(
                "HTTP??? : " + "http://192.168.1.167:" + port + url);
        future.channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.phei.netty.chapter10.xml.client.HttpXmlClient.java

License:Apache License

public void connect(int port) throws Exception {
    // ?NIO//from   w  w w  .  j av 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 {
                        ch.pipeline().addLast("http-decoder", new HttpResponseDecoder());
                        ch.pipeline().addLast("http-aggregator", new HttpObjectAggregator(65536));
                        // XML?
                        ch.pipeline().addLast("xml-decoder", new HttpXmlResponseDecoder(Order.class, true));
                        ch.pipeline().addLast("http-encoder", new HttpRequestEncoder());
                        ch.pipeline().addLast("xml-encoder", new HttpXmlRequestEncoder());
                        ch.pipeline().addLast("xmlClientHandler", new HttpXmlClientHandler());
                    }
                });

        // ??
        ChannelFuture f = b.connect(new InetSocketAddress(port)).sync();

        // 
        f.channel().closeFuture().sync();
    } finally {
        // NIO
        group.shutdownGracefully();
    }
}

From source file:com.phei.netty.chapter12.netty.client.NettyClient.java

License:Apache License

public void connect(int port, String host) throws Exception {

    // ?NIO/*from  w ww .j a  va2  s .  c  om*/
    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 NettyMessageDecoder(1024 * 1024, 4, 4));
                        ch.pipeline().addLast("MessageEncoder", new NettyMessageEncoder());
                        ch.pipeline().addLast("readTimeoutHandler", new ReadTimeoutHandler(50));
                        ch.pipeline().addLast("LoginAuthHandler", new LoginAuthReqHandler());
                        ch.pipeline().addLast("HeartBeatHandler", new HeartBeatReqHandler());
                    }
                });
        // ??
        ChannelFuture future = b.connect(new InetSocketAddress(host, port),
                new InetSocketAddress(NettyConstant.LOCALIP, NettyConstant.LOCAL_PORT)).sync();
        future.channel().closeFuture().sync();
    } finally {
        // ????????
        executor.execute(() -> {
            try {
                TimeUnit.SECONDS.sleep(1);
                try {
                    connect(NettyConstant.PORT, NettyConstant.REMOTEIP);// ???
                } catch (Exception e) {
                    e.printStackTrace();
                }
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        });
    }
}

From source file:com.phei.netty.chapter3.basic.TimeServer.java

License:Apache License

public void bind(int port) throws Exception {
    // ??NIO//from   ww  w  .  j  a  v a  2  s  .  c  om
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, 1024).childHandler(new ChildChannelHandler());
        // ???
        ChannelFuture f = b.bind(port).sync();

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

From source file:com.phei.netty.codec.msgpack.EchoClient.java

License:Apache License

public void run() throws Exception {
    // Configure the client.
    EventLoopGroup group = new NioEventLoopGroup();
    try {/*from  w  w  w .j a  v a 2s  .co m*/
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 3000)
                .handler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast("msgpack decoder", new MsgpackDecoder());
                        ch.pipeline().addLast("msgpack encoder", new MsgpackEncoder());
                        ch.pipeline().addLast(new EchoClientHandler(sendNumber));
                    }
                });

        // Start the client.
        ChannelFuture f = b.connect(host, port).sync();

        // Wait until the connection is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down the event loop to terminate all threads.
        group.shutdownGracefully();
    }
}

From source file:com.phei.netty.codec.msgpack.EchoClientV2.java

License:Apache License

public void run() throws Exception {
    // Configure the client.
    EventLoopGroup group = new NioEventLoopGroup();
    try {/*w w w.j  a v a  2s . c  om*/
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 3000)
                .handler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast("frameDecoder",
                                new LengthFieldBasedFrameDecoder(65535, 0, 2, 0, 2));
                        ch.pipeline().addLast("msgpack decoder", new MsgpackDecoder());
                        ch.pipeline().addLast("frameEncoder", new LengthFieldPrepender(2));
                        ch.pipeline().addLast("msgpack encoder", new MsgpackEncoder());
                        ch.pipeline().addLast(new EchoClientHandler(sendNumber));
                    }
                });

        // Start the client.
        ChannelFuture f = b.connect(host, port).sync();

        // Wait until the connection is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down the event loop to terminate all threads.
        group.shutdownGracefully();
    }
}