Example usage for io.netty.channel ChannelFutureListener CLOSE

Introduction

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

Prototype

ChannelFutureListener CLOSE

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Document

A ChannelFutureListener that closes the Channel which is associated with the specified ChannelFuture .

Usage

From source file:com.topsec.bdc.platform.api.test.http.websocketx.benchmarkserver.WebSocketServerHandler.java

License:Apache License

private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) {

    // Generate an error page if response getStatus code is not OK (200).
    if (res.getStatus().code() != 200) {
        ByteBuf buf = Unpooled.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);/* w  w  w .  j av  a  2s .  c  om*/
        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.ttpod.rpc.netty.telnet.TelnetServerHandler.java

License:Apache License

public void messageReceived(ChannelHandlerContext ctx, String request) throws Exception {

    request = request.trim();/*from www  .j a  v  a  2 s  . c  om*/
    int blank = request.indexOf(' ');
    String key = request;
    String args = null;
    if (blank > 0) {
        key = request.substring(0, blank);
        args = request.substring(++blank).trim();
    }
    String response;
    ServerProcessor proc = processors.get(key);
    boolean close = false;
    if (null != proc) {
        RequestBean<String> req = new RequestBean<>();
        req.setData(args);
        response = String.valueOf(proc.handle(req).getData()) + "\r\n";
    } else if ("bye".equals(request.toLowerCase())) {
        response = "Have a good day!\r\n";
        close = true;
    } else {
        response = usage(processors);
    }

    // We do not need to write a ChannelBuffer here.
    // We know the encoder inserted at TelnetPipelineFactory will do the conversion.
    ChannelFuture future = ctx.write(response);

    // Close the connection after sending 'Have a good day!'
    // if the client has sent 'bye'.
    if (close) {
        future.addListener(ChannelFutureListener.CLOSE);
    }
}

From source file:com.twitter.http2.HttpConnectionHandler.java

License:Apache License

private void issueConnectionError(HttpErrorCode status) {
    ChannelFuture future = sendGoAwayFrame(status);
    future.addListener(ChannelFutureListener.CLOSE);
}

From source file:com.ura.proxy.HexDumpProxyInboundHandler.java

License:Apache License

/**
 * Closes the specified channel after all queued write requests are flushed.
 *//*from ww w. j a v a2 s . c  o  m*/
static void closeOnFlush(Channel ch) {
    if (ch.isConnected()) {
        ch.write(ChannelBuffers.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
    }
}

From source file:com.vmware.dcp.common.http.netty.NettyHttpClientRequestHandler.java

License:Open Source License

private void writeResponse(ChannelHandlerContext ctx, Operation request, FullHttpResponse response) {
    boolean isClose = !request.isKeepAlive() || response == null;
    Object rsp = Unpooled.EMPTY_BUFFER;
    if (response != null) {
        AsciiString v = isClose ? HttpHeaderValues.CLOSE : HttpHeaderValues.KEEP_ALIVE;
        response.headers().set(HttpHeaderNames.CONNECTION, v);
        rsp = response;/* ww w .ja  va 2 s  . c o m*/
    }

    ctx.channel().attr(NettyChannelContext.OPERATION_KEY).remove();

    ChannelFuture future = ctx.writeAndFlush(rsp);
    if (isClose) {
        future.addListener(ChannelFutureListener.CLOSE);
    }
}

From source file:com.waitme.game.net.netty.HttpServerHandler.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) {
    if (msg instanceof HttpRequest) {

        BlockTest bolck = Bootstrap.context.getBean("blockTest", BlockTest.class);
        bolck.init();/*w  w w  . j a v a2 s .c o m*/

        HttpRequest req = (HttpRequest) msg;

        if (HttpUtil.is100ContinueExpected(req)) {
            ctx.write(new DefaultFullHttpResponse(HTTP_1_1, CONTINUE));
        }
        boolean keepAlive = HttpUtil.isKeepAlive(req);
        FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, Unpooled.wrappedBuffer(CONTENT));
        response.headers().set(CONTENT_TYPE, "text/plain");
        response.headers().setInt(CONTENT_LENGTH, response.content().readableBytes());

        if (!keepAlive) {
            ctx.write(response).addListener(ChannelFutureListener.CLOSE);
        } else {
            response.headers().set(CONNECTION, KEEP_ALIVE);
            ctx.write(response);
        }
    }
}

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  a v  a 2  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.ApnProxyRelayHandler.java

License:Apache License

@Override
public void channelInactive(ChannelHandlerContext ctx) throws Exception {
    LoggerUtil.debug(logger, ctx.channel().attr(ApnProxyConnectionAttribute.ATTRIBUTE_KEY), tag,
            "channel inactive");
    if (relayChannel != null && relayChannel.isActive()) {
        relayChannel.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
    }//from w w w  .  j  a v a 2 s  .c  o  m
    ctx.fireChannelInactive();
}

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

License:Apache License

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

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

        //Channel uaChannel = uaChannelCtx.channel();

        // connect remote
        Bootstrap bootstrap = new Bootstrap();
        bootstrap.group(uaChannelCtx.channel().eventLoop()).channel(NioSocketChannel.class)
                .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000)
                .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
                .option(ChannelOption.AUTO_READ, false)
                .handler(new ApnProxyTunnelChannelInitializer(uaChannelCtx.channel()));

        final ApnProxyRemote apnProxyRemote = uaChannelCtx.channel()
                .attr(ApnProxyConnectionAttribute.ATTRIBUTE_KEY).get().getRemote();

        // set local address
        if (StringUtils.isNotBlank(ApnProxyLocalAddressChooser.choose(apnProxyRemote.getRemoteHost()))) {
            bootstrap.localAddress(new InetSocketAddress(
                    (ApnProxyLocalAddressChooser.choose(apnProxyRemote.getRemoteHost())), 0));
        }/*ww  w.j  a  v  a2 s  .c o m*/

        bootstrap.connect(apnProxyRemote.getRemoteHost(), apnProxyRemote.getRemotePort())
                .addListener(new ChannelFutureListener() {
                    @Override
                    public void operationComplete(final ChannelFuture future1) throws Exception {
                        if (future1.isSuccess()) {
                            if (apnProxyRemote.isAppleyRemoteRule()) {
                                uaChannelCtx.pipeline().remove("codec");
                                uaChannelCtx.pipeline().remove(ApnProxyPreHandler.HANDLER_NAME);
                                uaChannelCtx.pipeline().remove(ApnProxyUserAgentTunnelHandler.HANDLER_NAME);

                                // add relay handler
                                uaChannelCtx.pipeline()
                                        .addLast(new ApnProxyRelayHandler("UA --> Remote", future1.channel()));

                                future1.channel()
                                        .writeAndFlush(Unpooled.copiedBuffer(
                                                constructConnectRequestForProxy(httpRequest, apnProxyRemote),
                                                CharsetUtil.UTF_8))
                                        .addListener(new ChannelFutureListener() {
                                            @Override
                                            public void operationComplete(ChannelFuture future2)
                                                    throws Exception {
                                                if (!future2.channel().config()
                                                        .getOption(ChannelOption.AUTO_READ)) {
                                                    future2.channel().read();
                                                }
                                            }
                                        });

                            } else {
                                HttpResponse proxyConnectSuccessResponse = new DefaultFullHttpResponse(
                                        HttpVersion.HTTP_1_1,
                                        new HttpResponseStatus(200, "Connection established"));
                                uaChannelCtx.writeAndFlush(proxyConnectSuccessResponse)
                                        .addListener(new ChannelFutureListener() {
                                            @Override
                                            public void operationComplete(ChannelFuture future2)
                                                    throws Exception {
                                                // remove handlers
                                                uaChannelCtx.pipeline().remove("codec");
                                                uaChannelCtx.pipeline().remove(ApnProxyPreHandler.HANDLER_NAME);
                                                uaChannelCtx.pipeline()
                                                        .remove(ApnProxyUserAgentTunnelHandler.HANDLER_NAME);

                                                // add relay handler
                                                uaChannelCtx.pipeline()
                                                        .addLast(new ApnProxyRelayHandler(
                                                                "UA --> " + apnProxyRemote.getRemoteAddr(),
                                                                future1.channel()));
                                            }

                                        });
                            }

                        } else {
                            if (uaChannelCtx.channel().isActive()) {
                                uaChannelCtx.channel().writeAndFlush(Unpooled.EMPTY_BUFFER)
                                        .addListener(ChannelFutureListener.CLOSE);
                            }
                        }
                    }
                });

    }
    ReferenceCountUtil.release(msg);
}

From source file:com.yahoo.pulsar.broker.service.Consumer.java

License:Apache License

public void sendError(ByteBuf error) {
    cnx.ctx().writeAndFlush(error).addListener(ChannelFutureListener.CLOSE);
}