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

To view the source code for io.netty.channel 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.mpush.common.message.ErrorMessage.java

License:Apache License

@Override
public void close() {
    sendRaw(ChannelFutureListener.CLOSE);
}

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From source file:com.mpush.core.handler.AdminHandler.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext ctx, String request) throws Exception {
    Command command = Command.help;/*from  www.  jav a2  s .  c o  m*/
    String arg = null;
    String[] args = null;
    if (request != null) {
        String[] cmd_args = request.split(" ");
        command = Command.toCmd(cmd_args[0].trim());
        if (cmd_args.length == 2) {
            arg = cmd_args[1];
        } else if (cmd_args.length > 2) {
            args = Arrays.copyOfRange(cmd_args, 1, cmd_args.length);
        }
    }
    try {
        Object result = args != null ? command.handler(ctx, args) : command.handler(ctx, arg);
        ChannelFuture future = ctx.writeAndFlush(result + EOL + EOL);
        if (command == Command.quit) {
            future.addListener(ChannelFutureListener.CLOSE);
        }
    } catch (Throwable throwable) {
        ctx.writeAndFlush(throwable.getLocalizedMessage() + EOL + EOL);
        StringWriter writer = new StringWriter(1024);
        throwable.printStackTrace(new PrintWriter(writer));
        ctx.writeAndFlush(writer.toString());
    }
    LOGGER.info("receive admin command={}", request);
}

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From source file:com.mycompany.nettyweb.HttpServerHandler.java

private void sendResponse(ChannelHandlerContext ctx, HttpRequest request, HttpResponse httpResponse) {
    if (!isKeepAlive(request)) {
        ctx.write(httpResponse).addListener(ChannelFutureListener.CLOSE);
    } else {/* www. java  2  s  . co m*/
        httpResponse.headers().set(CONNECTION, KEEP_ALIVE);
        ctx.write(httpResponse);
    }
}

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From source file:com.netty.BaseHttpServerHandler.java

License:Apache License

@Override
public void channelRead(final ChannelHandlerContext ctx, Object msg) throws Exception {
    if (msg instanceof FullHttpRequest) {
        FullHttpRequest request = (FullHttpRequest) msg;
        //            HttpPostRequestDecoder httpPostRequestDecoder = new HttpPostRequestDecoder(request);

        if (HttpHeaders.is100ContinueExpected(request)) {
            ctx.write(new DefaultFullHttpResponse(HTTP_1_1, CONTINUE));
        }/*from   w w w . jav  a2s  .  com*/
        boolean keepAlive = HttpHeaders.isKeepAlive(request);
        ///////////////
        FullHttpResponse response = handleRequest(request.getUri(),
                request.content().toString(CharsetUtil.UTF_8), request);

        ////////////

        //            final FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, Unpooled.wrappedBuffer(CONTENT));
        //            response.headers().set(CONTENT_TYPE, "text/plain");
        response.headers().set(CONTENT_LENGTH, response.content().readableBytes());
        ctx.write(response);
        if (!keepAlive) {
            ctx.write(response).addListener(ChannelFutureListener.CLOSE);
        } else {
            response.headers().set(CONNECTION, Values.KEEP_ALIVE);
            //                ctx.executor().submit(new Runnable() {
            //                    @Override
            //                    public void run() {
            ctx.write(response);
            //                    }
            //                });

        }
    }
}

---

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);/*from ww w.j  av  a2s .co 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

/**
 * Closes the specified channel after all queued write requests are flushed.
 *//* ww  w.  j  a  va 2 s .com*/
static void closeOnFlush(Channel ch) {
    if (ch.isActive()) {
        //            System.out.println("----------------------------------------------");
        ch.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.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 av  a2s.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.netty4.http.helloword.HttpHelloWorldServerHandler.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) {
    if (msg instanceof HttpRequest) {
        HttpRequest req = (HttpRequest) msg;
        if (HttpHeaders.is100ContinueExpected(req)) {
            ctx.write(new DefaultFullHttpResponse(HTTP_1_1, CONTINUE));
        }//from  w  w w . j a  va2 s. c o  m
        boolean keepAlive = HttpHeaders.isKeepAlive(req);
        FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, Unpooled.wrappedBuffer(CONTENT));
        response.headers().set(CONTENT_TYPE, "text/plain");
        response.headers().set(CONTENT_LENGTH, response.content().readableBytes());

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

    }
}

---

From source file:com.nettyhttpserver.server.util.HttpRequestHandler.java

private static void writeToResponse(ChannelHandlerContext ctx, FullHttpResponse response, boolean keepAlive) {
    response.headers().set(CONTENT_TYPE, "text/html");
    response.headers().set(CONTENT_LENGTH, response.content().readableBytes());
    if (!keepAlive) {
        ctx.write(response).addListener(ChannelFutureListener.CLOSE);
    } else {//from  w  w  w  .j  a v  a 2s  .c om
        response.headers().set(CONNECTION, HttpHeaders.Values.KEEP_ALIVE + ":timeout=10");
        ctx.write(response);
    }
}

---

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

License:Apache License

private void doGet(ChannelHandlerContext ctx, HttpRequest httpRequest) throws URISyntaxException {

    String uri = new URI(request.getUri()).getPath();

    if (uri.equals("/ping")) {
        FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, Unpooled.wrappedBuffer(CONTENT));
        response.headers().set(CONTENT_TYPE, "text/plain; charset=UTF-8");
        response.headers().set(CONTENT_LENGTH, response.content().readableBytes());
        ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
    }/*  ww w  . jav  a  2  s .  co m*/
}

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