Example usage for io.netty.channel ChannelFuture channel

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:cn.wantedonline.puppy.httpserver.component.ContextAttachment.java

License:Apache License

@Override
public void operationComplete(ChannelFuture future) throws Exception {
    running = false;//ww w  .  j a v a2  s. co  m
    if (closeAfterOperationComplete) {
        future.channel().close();
    }
    if (AssertUtil.isNotNull(request)) {
        request.clean();
    }
}

From source file:cn.yesway.demo.book.protocol.http.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 {/*from w  ww . j a  v  a2 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("127.0.0.1", port).sync();
        System.out.println("HTTP??? : " + "http://127.0.0.1:" + port + url);
        future.channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:cn.yesway.demo.book.protocol.http.xml.client.HttpXmlClient.java

License:Apache License

public void connect(int port) throws Exception {
    // ?NIO//from w w w.java  2 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 HttpXmlClientHandle());
                    }
                });

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

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

From source file:cn.yesway.demo.book.protocol.http.xml.server.HttpXmlServer.java

License:Apache License

public void run(final int port) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {// w ww.java 2s.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("xml-decoder", new HttpXmlRequestDecoder(Order.class, true));
                        ch.pipeline().addLast("http-encoder", new HttpResponseEncoder());
                        ch.pipeline().addLast("xml-encoder", new HttpXmlResponseEncoder());
                        ch.pipeline().addLast("xmlServerHandler", new HttpXmlServerHandler());
                    }
                });
        ChannelFuture future = b.bind(new InetSocketAddress(port)).sync();
        System.out.println("HTTP??? : " + "http://localhost:" + port);
        future.channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:cn.zyf.ObjectStorageServer.java

License:Open Source License

private void run(String host, int port, int packageSize) {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    EventLoopGroup backendGroup = new NioEventLoopGroup();

    try {/*from ww  w.j  av  a 2s .  c o  m*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    protected void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast("http-decoder", new HttpRequestDecoder());
                        ch.pipeline().addLast("http-aggregator", new HttpObjectAggregator(packageSize));
                        ch.pipeline().addLast("http-chunked", new ChunkedWriteHandler());
                        ch.pipeline().addLast("http-encoder", new HttpResponseEncoder());
                        ch.pipeline().addLast("oss-decoder", new ParseRequestHandler());
                        ch.pipeline().addLast("oss-filter", new FilterRequestHandler());
                        ch.pipeline().addLast("oss-authen", new AuthenticationHandler());
                        ch.pipeline().addLast("oss-author", new AuthorizationHandler());
                        ch.pipeline().addLast(backendGroup, "oss-backend", new ObjectStorageHandler());
                    }
                });

        ChannelFuture future = b.bind(host, port).sync();
        LOG.info("start Http Server with hostname=" + host + ":" + port);
        future.channel().closeFuture().sync();
    } catch (InterruptedException e) {
        LOG.error("occur InterruptedException ", e);
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.addthis.hydra.query.aggregate.MeshSourceAggregator.java

License:Apache License

private void safelyRemoveSelfFromPipeline(ChannelFuture future) {
    try {/*from w w w  .  j  av a  2 s .  c  o m*/
        future.channel().pipeline().remove(this);
    } catch (Exception e) {
        log.warn("unexpected error while trying to remove mesh source aggregator from the pipeline on success",
                e);
    }
}

From source file:com.addthis.hydra.query.loadbalance.NextQueryTask.java

License:Apache License

@Override
public void run() {
    QueryRequest request;//from   www  . j  a va 2 s . c o m
    try {
        request = queryQueue.takeQuery();
    } catch (InterruptedException ignored) {
        log.info("Frame reader thread interrupted -- halting query processing");
        return;
    }
    try {
        final ChannelFuture queryFuture = HttpQueryCallHandler.handleQuery(request.querySource, request.kv,
                request.request, request.ctx, executor);
        queryFuture.addListener(this);
        queryFuture.channel().closeFuture().addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                if (queryFuture.cancel(false)) {
                    log.warn("cancelling query due to closed output channel");
                }
            }
        });
    } catch (Exception e) {
        log.warn("Exception caught before mesh query master added to pipeline", e);
        if (request.ctx.channel().isActive()) {
            HttpUtils.sendError(request.ctx, new HttpResponseStatus(500, e.getMessage()));
        }
    }
}

From source file:com.addthis.hydra.query.loadbalance.NextQueryTask.java

License:Apache License

private static void safelyHandleQueryFailure(ChannelFuture future) {
    try {// ww w  .j  a va2  s . c  o m
        ChannelPipeline pipeline = future.channel().pipeline();
        ChannelHandlerContext lastContext = cleanPipelineAndGetLastContext(pipeline);
        if (lastContext != null) {
            sendDetailedError(lastContext, future.cause());
        } else {
            logAndFormatErrorDetail(future.cause());
        }
    } catch (Throwable error) {
        log.warn("unexpected error while trying to report to user; closing channel", error);
        safelyTryChannelClose(future);
    }
}

From source file:com.addthis.hydra.query.loadbalance.NextQueryTask.java

License:Apache License

private static void safelyTryChannelClose(ChannelFuture future) {
    try {//from w  ww  . j  ava 2  s  . c  o m
        Channel channel = future.channel();
        channel.close();
    } catch (Throwable error) {
        log.error("unexpected error while trying to close channel; ignoring to keep frame reader alive", error);
    }
}

From source file:com.addthis.meshy.MeshyClient.java

License:Apache License

/**
 * client//from w w  w  .j  a  v  a 2s . c om
 */
public MeshyClient(InetSocketAddress address) throws IOException {
    super();
    /* block session creation until connection is fully established */
    try {
        clientInitGate.acquire();
    } catch (Exception ex) {
        throw new RuntimeException(ex);
    }
    ChannelFuture clientConnect = connect(address);
    clientConnect.awaitUninterruptibly();
    if (!clientConnect.isSuccess()) {
        close();
        throw new IOException("connection fail to " + address);
    }
    clientChannelCloseFuture = clientConnect.channel().closeFuture();
    /* re-acquire after connection comes up, which releases the lock */
    try {
        clientInitGate.acquire();
    } catch (Exception ex) {
        throw new RuntimeException(ex);
    }
    if (log.isDebugEnabled()) {
        log.debug("client [{}] connected to {}", getUUID(), address);
    }
}