Example usage for io.netty.channel ChannelFuture addListener

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

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Introduction

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

Prototype

@Override
    ChannelFuture addListener(GenericFutureListener<? extends Future<? super Void>> listener);

Source Link

Usage

From source file:com.wx3.galacdecks.networking.HttpHandler.java

License:Open Source License

private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) {
    if (res.getStatus().code() != 200) {
        ByteBuf buf = Unpooled.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);/*from ww  w .j  av  a2  s.  co m*/
        buf.release();
        HttpHeaders.setContentLength(res, res.content().readableBytes());
    }

    // Send the response and close the connection if necessary.
    ChannelFuture f = ctx.channel().writeAndFlush(res);
    if (!HttpHeaders.isKeepAlive(req) || res.getStatus().code() != 200) {
        f.addListener(ChannelFutureListener.CLOSE);
    }
}

From source file:com.xx_dev.apn.proxy.ApnProxyUserAgentForwardHandler.java

License:Apache License

@Override
public void channelRead(final ChannelHandlerContext uaChannelCtx, final Object msg) throws Exception {

    final Channel uaChannel = uaChannelCtx.channel();

    final ApnProxyRemote apnProxyRemote = uaChannel.attr(ApnProxyConnectionAttribute.ATTRIBUTE_KEY).get()
            .getRemote();/*from  www.  j a  va 2s. c  om*/

    if (msg instanceof HttpRequest) {
        HttpRequest httpRequest = (HttpRequest) msg;

        Channel remoteChannel = remoteChannelMap.get(apnProxyRemote.getRemoteAddr());

        if (remoteChannel != null && remoteChannel.isActive()) {
            LoggerUtil.debug(logger, uaChannel.attr(ApnProxyConnectionAttribute.ATTRIBUTE_KEY),
                    "Use old remote channel");
            HttpRequest request = constructRequestForProxy(httpRequest, apnProxyRemote);
            remoteChannel.writeAndFlush(request);
        } else {
            LoggerUtil.debug(logger, uaChannel.attr(ApnProxyConnectionAttribute.ATTRIBUTE_KEY),
                    "Create new remote channel");

            Bootstrap bootstrap = new Bootstrap();
            bootstrap.group(uaChannel.eventLoop()).channel(NioSocketChannel.class)
                    .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000)
                    .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
                    .option(ChannelOption.AUTO_READ, false)
                    .handler(new ApnProxyRemoteForwardChannelInitializer(uaChannel, this));

            // set local address
            if (StringUtils.isNotBlank(ApnProxyLocalAddressChooser.choose(apnProxyRemote.getRemoteHost()))) {
                bootstrap.localAddress(new InetSocketAddress(
                        (ApnProxyLocalAddressChooser.choose(apnProxyRemote.getRemoteHost())), 0));
            }

            ChannelFuture remoteConnectFuture = bootstrap.connect(apnProxyRemote.getRemoteHost(),
                    apnProxyRemote.getRemotePort());

            remoteChannel = remoteConnectFuture.channel();
            remoteChannelMap.put(apnProxyRemote.getRemoteAddr(), remoteChannel);

            remoteConnectFuture.addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    if (future.isSuccess()) {
                        future.channel().write(constructRequestForProxy((HttpRequest) msg, apnProxyRemote));

                        for (HttpContent hc : httpContentBuffer) {
                            future.channel().writeAndFlush(hc);

                            if (hc instanceof LastHttpContent) {
                                future.channel().writeAndFlush(Unpooled.EMPTY_BUFFER)
                                        .addListener(new ChannelFutureListener() {
                                            @Override
                                            public void operationComplete(ChannelFuture future)
                                                    throws Exception {
                                                if (future.isSuccess()) {
                                                    future.channel().read();
                                                }

                                            }
                                        });
                            }
                        }
                        httpContentBuffer.clear();
                    } else {
                        LoggerUtil.error(logger, uaChannel.attr(ApnProxyConnectionAttribute.ATTRIBUTE_KEY),
                                "Remote channel create fail");

                        // send error response
                        String errorMsg = "remote connect to "
                                + uaChannel.attr(ApnProxyConnectionAttribute.ATTRIBUTE_KEY).get().getRemote()
                                        .getRemoteAddr()
                                + " fail";
                        HttpMessage errorResponseMsg = HttpErrorUtil
                                .buildHttpErrorMessage(HttpResponseStatus.INTERNAL_SERVER_ERROR, errorMsg);
                        uaChannel.writeAndFlush(errorResponseMsg);
                        httpContentBuffer.clear();

                        future.channel().close();
                    }
                }
            });

        }
        ReferenceCountUtil.release(msg);
    } else {
        Channel remoteChannel = remoteChannelMap.get(apnProxyRemote.getRemoteAddr());

        HttpContent hc = ((HttpContent) msg);
        //hc.retain();

        //HttpContent _hc = hc.copy();

        if (remoteChannel != null && remoteChannel.isActive()) {
            remoteChannel.writeAndFlush(hc);

            if (hc instanceof LastHttpContent) {
                remoteChannel.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(new ChannelFutureListener() {
                    @Override
                    public void operationComplete(ChannelFuture future) throws Exception {
                        if (future.isSuccess()) {
                            future.channel().read();
                        }

                    }
                });
            }
        } else {
            httpContentBuffer.add(hc);
        }
    }

}

From source file:com.xx_dev.apn.socks.local.PortForwardProxyFrontendHandler.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) {
    final Channel inboundChannel = ctx.channel();

    // Start the connection attempt.
    Bootstrap b = new Bootstrap();
    b.group(inboundChannel.eventLoop()).channel(ctx.channel().getClass())
            .handler(new PortForwardProxyBackendInitializer(inboundChannel))
            .option(ChannelOption.AUTO_READ, false);
    ChannelFuture f = b.connect(remoteHost, remotePort);
    outboundChannel = f.channel();//from  ww  w  .  java 2 s. com
    f.addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) {
            if (future.isSuccess()) {
                // connection complete start to read first data
                logger.info("C: " + remoteHost + ":" + remotePort + ", T");
                inboundChannel.read();
            } else {
                logger.info("C: " + remoteHost + ":" + remotePort + ", F");
                inboundChannel.close();
            }
        }
    });
}

From source file:com.xx_dev.port_forwared.HexDumpProxyFrontendHandler.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) {
    final Channel inboundChannel = ctx.channel();

    // Start the connection attempt.
    Bootstrap b = new Bootstrap();
    b.group(inboundChannel.eventLoop()).channel(ctx.channel().getClass())
            .handler(new HexDumpProxyBackendInitializer(inboundChannel, remoteSsl))
            .option(ChannelOption.AUTO_READ, false);
    ChannelFuture f = b.connect(remoteHost, remotePort);
    outboundChannel = f.channel();/*from www .  j  av a2 s .  c o  m*/
    f.addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) {
            if (future.isSuccess()) {
                // connection complete start to read first data
                inboundChannel.read();
            } else {
                // Close the connection if the connection attempt has failed.
                inboundChannel.close();
            }
        }
    });
}

From source file:com.xyz.rpc.netty4.server.Netty4ServerHandler.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext ctx, RequestWrapper request) throws Exception {
    long beginTime = System.currentTimeMillis();
    ResponseWrapper responseWrapper = ProtocolFactory.getServerHandler(request.getProtocolType())
            .handleRequest(request);/*from  ww w .  j  av a 2 s  . c  om*/
    final int id = request.getId();
    // already timeout,so not return
    if ((System.currentTimeMillis() - beginTime) >= request.getTimeout()) {
        LOGGER.warn("timeout,so give up send response to client,requestId is:" + id + ",client is:"
                + ctx.channel().remoteAddress() + ",consumetime is:" + (System.currentTimeMillis() - beginTime)
                + ",timeout is:" + request.getTimeout());
        return;
    }
    ChannelFuture wf = ctx.channel().writeAndFlush(responseWrapper);
    wf.addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) throws Exception {
            if (!future.isSuccess()) {
                LOGGER.error("server write response error,request id is: " + id);
            }
        }
    });
}

From source file:com.yeetor.androidcontrol.WSSocketHandler.java

License:Open Source License

private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req,
        DefaultFullHttpResponse res) {// w ww  .  j  av  a 2s .c  om
    // 
    if (res.getStatus().code() != 200) {
        ByteBuf buf = Unpooled.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);
        buf.release();
    }
    // ?Keep-Alive
    ChannelFuture f = ctx.channel().writeAndFlush(res);
    if (!isKeepAlive(req) || res.getStatus().code() != 200) {
        f.addListener(ChannelFutureListener.CLOSE);
    }
}

From source file:com.yeetor.server.HttpServer.java

License:Open Source License

public void writeResponse(ChannelHandlerContext ctx, HttpRequest request, HttpResponse response,
        Object... contents) {// w  w  w.  j a v  a2  s . c  om

    if (HttpUtil.isKeepAlive(request)) {
        response.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE);
    }

    ctx.write(response);
    for (Object content : contents) {
        ctx.write(content);
    }
    ChannelFuture future = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);

    if (!HttpUtil.isKeepAlive(request)) {
        future.addListener(ChannelFutureListener.CLOSE);
    }
}

From source file:com.youtubeshare.netty.handler.WebSocketHandler.java

License:Apache License

private void handleHttpRequest(ChannelHandlerContext ctx, FullHttpRequest req) {

    String reqUri = getUri(req);//w  w  w. ja v  a2 s .  c om

    // Handshake
    handshaker = acp.getContext().getBean(WebSocketServerHandshaker.class, reqUri, req);

    if (handshaker == null) {
        WebSocketServerHandshakerFactory.sendUnsupportedVersionResponse(ctx.channel());
    } else {
        ChannelFuture f = handshaker.handshake(ctx.channel(), req);
        //handshake ? ?  ?
        f.addListener(future -> fullHttpRequestHandler.handling(ctx, req));
    }
}

From source file:com.zank.websocket.server.ServerHandler.java

License:Apache License

private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) {
    if (res.status().code() != 200) {
        ByteBuf buf = Unpooled.copiedBuffer(res.status().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);// w ww  . ja  v  a 2  s.co m
        buf.release();
        HttpHeaderUtil.setContentLength(res, res.content().readableBytes());
    }

    ChannelFuture f = ctx.channel().writeAndFlush(res);
    if (!HttpHeaderUtil.isKeepAlive(req) || res.status().code() != 200) {
        f.addListener(ChannelFutureListener.CLOSE);
    }
}

From source file:com.zaradai.distributor.messaging.netty.NettyClient.java

License:Apache License

private void connect(final RetryPolicy retryPolicy) {
    ChannelFuture future = bootstrap.connect(endpoint);
    future.addListener(new ChannelFutureListener() {
        @Override// ww  w  . ja  v a2s.  co  m
        public void operationComplete(ChannelFuture channelFuture) throws Exception {
            final ChannelFuture fut = channelFuture;

            if (channelFuture.isSuccess()) {
                connected();
            } else {
                eventLoopGroups.getClientGroup().submit(new Runnable() {
                    @Override
                    public void run() {
                        if (retryPolicy.retry()) {
                            connect(retryPolicy);
                        } else {
                            failed(fut.cause());
                        }
                    }
                });
            }
        }
    });
}