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.netty.fileTest.http.download.HttpStaticFileServerHandler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {
    if (!request.getDecoderResult().isSuccess()) {
        sendError(ctx, BAD_REQUEST);//  w  ww  .j a va 2  s.c  o m
        return;
    }

    if (request.getMethod() != GET) {
        sendError(ctx, METHOD_NOT_ALLOWED);
        return;
    }

    final String uri = request.getUri();
    final String path = sanitizeUri(uri);
    if (path == null) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    File file = new File(path);
    if (file.isHidden() || !file.exists()) {
        sendError(ctx, NOT_FOUND);
        return;
    }

    if (file.isDirectory()) {
        if (uri.endsWith("/")) {
            sendListing(ctx, file);
        } else {
            sendRedirect(ctx, uri + '/');
        }
        return;
    }

    if (!file.isFile()) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    // Cache Validation
    String ifModifiedSince = request.headers().get(IF_MODIFIED_SINCE);
    if (ifModifiedSince != null && !ifModifiedSince.isEmpty()) {
        SimpleDateFormat dateFormatter = new SimpleDateFormat(HTTP_DATE_FORMAT, Locale.US);
        Date ifModifiedSinceDate = dateFormatter.parse(ifModifiedSince);

        // Only compare up to the second because the datetime format we send to the client
        // does not have milliseconds
        long ifModifiedSinceDateSeconds = ifModifiedSinceDate.getTime() / 1000;
        long fileLastModifiedSeconds = file.lastModified() / 1000;
        if (ifModifiedSinceDateSeconds == fileLastModifiedSeconds) {
            sendNotModified(ctx);
            return;
        }
    }

    RandomAccessFile raf;
    try {
        raf = new RandomAccessFile(file, "r");
    } catch (FileNotFoundException ignore) {
        sendError(ctx, NOT_FOUND);
        return;
    }
    long fileLength = raf.length();

    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
    HttpHeaders.setContentLength(response, fileLength);
    setContentTypeHeader(response, file);
    setDateAndCacheHeaders(response, file);
    if (HttpHeaders.isKeepAlive(request)) {
        response.headers().set(CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
    }

    // Write the initial line and the header.
    ctx.write(response);

    // Write the content.
    ChannelFuture sendFileFuture;
    ChannelFuture lastContentFuture;
    if (ctx.pipeline().get(SslHandler.class) == null) {
        sendFileFuture = ctx.write(new DefaultFileRegion(raf.getChannel(), 0, fileLength),
                ctx.newProgressivePromise());
        // Write the end marker.
        lastContentFuture = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
    } else {
        sendFileFuture = ctx.write(new HttpChunkedInput(new ChunkedFile(raf, 0, fileLength, 8192)),
                ctx.newProgressivePromise());
        // HttpChunkedInput will write the end marker (LastHttpContent) for us.
        lastContentFuture = sendFileFuture;
    }

    sendFileFuture.addListener(new ChannelProgressiveFutureListener() {
        @Override
        public void operationProgressed(ChannelProgressiveFuture future, long progress, long total) {
            if (total < 0) { // total unknown
                System.err.println(future.channel() + " Transfer progress: " + progress);
            } else {
                System.err.println(future.channel() + " Transfer progress: " + progress + " / " + total);
            }
        }

        @Override
        public void operationComplete(ChannelProgressiveFuture future) {
            System.err.println(future.channel() + " Transfer complete.");
        }
    });

    // Decide whether to close the connection or not.
    if (!HttpHeaders.isKeepAlive(request)) {
        // Close the connection when the whole content is written out.
        lastContentFuture.addListener(ChannelFutureListener.CLOSE);
    }
}

From source file:com.netty.grpc.proxy.demo.handler.GrpcProxyFrontendHandler.java

License:Apache License

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

    // ??//w  w w  . j  a v a 2s.  co  m
    Bootstrap b = new Bootstrap();
    b.group(inboundChannel.eventLoop()).channel(ctx.channel().getClass())
            .handler(new GrpcProxyBackendHandler(inboundChannel)).option(ChannelOption.AUTO_READ, false);

    for (int i = 0; i < remoteHosts.length; i++) {
        final ChannelFuture f = b.connect(remoteHosts[i], remotePorts[i]);
        outboundChannels[i] = f.channel();
        f.addListener(new ChannelFutureListener() {
            public void operationComplete(ChannelFuture future) {
                if (future.isSuccess()) {
                    // connection complete start to read first data
                    inboundChannel.read();
                    //                        System.out.println(f.channel().remoteAddress() + ", " + f.channel().localAddress());
                } else {
                    // Close the connection if the connection attempt has failed.
                    //                        System.out.println("channelActive close" + inboundChannel.remoteAddress() + ", " + inboundChannel.localAddress());
                    inboundChannel.close();
                }
            }
        });
    }
}

From source file:com.netty.telnet.impl.TelnetServerHandler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, String request) throws Exception {
    // Generate and write a response.
    String response;//  w w  w  . j ava 2  s.  c o  m
    boolean close = false;
    if (StringUtil.isNullOrEmpty(request)) {
        response = "Please type something.\r\n";
    } else if ("bye".equals(request.toLowerCase())) {
        response = "Have a good day!\r\n";
        close = true;
    } else {
        response = "Did you say '" + request + "'?\r\n";
    }

    // 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.newlandframework.avatarmq.broker.SendMessageLauncher.java

License:Apache License

public Object launcher(Channel channel, ResponseMessage response) {
    if (channel != null) {
        CallBackInvoker<Object> invoke = new CallBackInvoker<Object>();
        invokeMap.put(response.getMsgId(), invoke);
        invoke.setRequestId(response.getMsgId());
        ChannelFuture channelFuture = channel.writeAndFlush(response);
        channelFuture.addListener(new LauncherListener(invoke));
        try {/*from  w ww .  j  ava  2s .  c o m*/
            Object result = invoke.getMessageResult(timeout, TimeUnit.MILLISECONDS);
            return result;
        } catch (RuntimeException e) {
            throw e;
        } finally {
            invokeMap.remove(response.getMsgId());
        }
    } else {
        return null;
    }
}

From source file:com.newlandframework.avatarmq.netty.MessageConnectFactory.java

License:Apache License

public void connect() {
    Preconditions.checkNotNull(messageHandler, "Message's Handler is Null!");

    try {//from w  w w.  ja  v  a  2  s .co  m
        init();
        ChannelFuture channelFuture = bootstrap.connect(this.remoteAddr).sync();

        channelFuture.addListener(new ChannelFutureListener() {
            public void operationComplete(ChannelFuture future) throws Exception {
                Channel channel = future.channel();
                messageChannel = channel;
            }
        });

        System.out.println("ip address:" + this.remoteAddr.toString());
        connected = true;
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
}

From source file:com.newlandframework.avatarmq.netty.MessageProcessor.java

License:Apache License

public void sendAsynMessage(RequestMessage request, final NotifyCallback listener) {
    Channel channel = factory.getMessageChannel();
    if (channel == null) {
        return;//from   w w w  .j a  va 2  s.  com
    }

    Map<String, CallBackInvoker<Object>> callBackMap = factory.getCallBackMap();

    CallBackInvoker<Object> invoker = new CallBackInvoker<Object>();
    callBackMap.put(request.getMsgId(), invoker);

    invoker.setRequestId(request.getMsgId());

    invoker.join(new CallBackListener<Object>() {
        public void onCallBack(Object t) {
            ResponseMessage response = (ResponseMessage) t;
            listener.onEvent((ProducerAckMessage) response.getMsgParams());

        }
    });

    ChannelFuture channelFuture = channel.writeAndFlush(request);
    channelFuture.addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) throws Exception {
            if (!future.isSuccess()) {
                invoker.setReason(future.cause());
            }
        }
    });

}

From source file:com.newlandframework.avatarmq.netty.MessageProcessor.java

License:Apache License

public Object sendAsynMessage(RequestMessage request) {
    Channel channel = factory.getMessageChannel();

    if (channel == null) {
        return null;
    }/*  w  ww. j  ava2s . co m*/

    Map<String, CallBackInvoker<Object>> callBackMap = factory.getCallBackMap();

    CallBackInvoker<Object> invoker = new CallBackInvoker<Object>();
    callBackMap.put(request.getMsgId(), invoker);
    invoker.setRequestId(request.getMsgId());

    ChannelFuture channelFuture = channel.writeAndFlush(request);
    channelFuture.addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) throws Exception {
            if (!future.isSuccess()) {
                invoker.setReason(future.cause());
            }
        }
    });

    try {
        Object result = invoker.getMessageResult(factory.getTimeOut(), TimeUnit.MILLISECONDS);
        callBackMap.remove(request.getMsgId());
        return result;
    } catch (RuntimeException e) {
        e.printStackTrace();
        return null;
    }
}

From source file:com.newlandframework.avatarmq.netty.MessageProcessor.java

License:Apache License

public void sendSyncMessage(RequestMessage request) {
    Channel channel = factory.getMessageChannel();

    if (channel == null) {
        return;// w w  w . j  a  va2 s .com
    }

    Map<String, CallBackInvoker<Object>> callBackMap = factory.getCallBackMap();

    CallBackInvoker<Object> invoker = new CallBackInvoker<Object>();
    callBackMap.put(request.getMsgId(), invoker);

    invoker.setRequestId(request.getMsgId());

    ChannelFuture channelFuture;
    try {
        channelFuture = channel.writeAndFlush(request).sync();
        channelFuture.addListener(new ChannelFutureListener() {

            public void operationComplete(ChannelFuture future) throws Exception {
                if (!future.isSuccess()) {
                    invoker.setReason(future.cause());
                }
            }
        });
    } catch (InterruptedException ex) {
        Logger.getLogger(MessageProcessor.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:com.newlandframework.rpc.netty.MessageSendInitializeTask.java

License:Apache License

public Boolean call() {
    Bootstrap b = new Bootstrap();
    b.group(eventLoopGroup).channel(NioSocketChannel.class).option(ChannelOption.SO_KEEPALIVE, true);
    b.handler(new MessageSendChannelInitializer().buildRpcSerializeProtocol(protocol));

    ChannelFuture channelFuture = b.connect(serverAddress);
    channelFuture.addListener(new ChannelFutureListener() {
        public void operationComplete(final ChannelFuture channelFuture) throws Exception {
            if (channelFuture.isSuccess()) {
                MessageSendHandler handler = channelFuture.channel().pipeline().get(MessageSendHandler.class);
                RpcServerLoader.getInstance().setMessageSendHandler(handler);
            }/*from   www .  ja v a  2 s. co m*/
        }
    });
    return Boolean.TRUE;
}

From source file:com.nextcont.ecm.fileengine.http.nettyServer.HttpUploadServerHandler.java

License:Apache License

private void writeResponse(Channel channel) {
    logger.info("writeResponse ...");
    // Convert the response content to a ChannelBuffer.
    ByteBuf buf = copiedBuffer(responseContent.toString(), CharsetUtil.UTF_8);
    responseContent.setLength(0);//from  ww w.j ava  2s  .c o m

    // Decide whether to close the connection or not.
    boolean close = HttpHeaders.Values.CLOSE.equalsIgnoreCase(request.headers().get(CONNECTION))
            || request.getProtocolVersion().equals(HttpVersion.HTTP_1_0)
                    && !HttpHeaders.Values.KEEP_ALIVE.equalsIgnoreCase(request.headers().get(CONNECTION));

    // Build the response object.
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, buf);

    response.headers().set(CONTENT_TYPE, "text/plain; charset=UTF-8");

    if (!close) {
        // There's no need to add 'Content-Length' header
        // if this is the last response.
        response.headers().set(CONTENT_LENGTH, buf.readableBytes());
    }

    Set<Cookie> cookies;
    String value = request.headers().get(COOKIE);
    if (value == null) {
        cookies = Collections.emptySet();
    } else {
        //            cookies = CookieDecoder.decode(value);
        cookies = ServerCookieDecoder.STRICT.decode(value);
    }
    if (!cookies.isEmpty()) {
        // Reset the cookies if necessary.
        for (Cookie cookie : cookies) {
            //                response.headers().add(SET_COOKIE, ServerCookieEncoder.encode(cookie));
            response.headers().add(HttpHeaders.Names.SET_COOKIE, ServerCookieEncoder.STRICT.encode(cookie));
        }
    }
    // Write the response.
    ChannelFuture future = channel.writeAndFlush(response);
    // Close the connection after the write operation is done if necessary.
    if (close) {
        future.addListener(ChannelFutureListener.CLOSE);
    }
}