Example usage for io.netty.channel ChannelFutureListener CLOSE

List of usage examples for io.netty.channel ChannelFutureListener CLOSE

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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:org.apache.hyracks.http.server.HttpRequestCapacityController.java

License:Apache License

public static void reject(ChannelHandlerContext ctx) {
    HttpResponseEncoder encoder = new HttpResponseEncoder();
    ChannelPromise promise = ctx.newPromise();
    promise.addListener(ChannelFutureListener.CLOSE);
    DefaultFullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1,
            HttpResponseStatus.SERVICE_UNAVAILABLE);
    try {//from ww  w  .  j a  va2s. com
        encoder.write(ctx, response, ctx.voidPromise());
        ctx.writeAndFlush(ctx.alloc().buffer(0), promise);
    } catch (Throwable th) {//NOSONAR
        try {
            LOGGER.log(Level.SEVERE, "Failure during request rejection", th);
        } catch (Throwable loggingFailure) {//NOSONAR
        }
        PromiseNotificationUtil.tryFailure(promise, th, null);
    }
}

From source file:org.apache.hyracks.http.server.HttpRequestHandler.java

License:Apache License

@Override
public Void call() throws Exception {
    try {/*from ww  w  . jav  a  2s  . c o m*/
        ChannelFuture lastContentFuture = handle();
        if (!HttpUtil.isKeepAlive(request.getHttpRequest())) {
            lastContentFuture.addListener(ChannelFutureListener.CLOSE);
        }
    } catch (Throwable th) { //NOSONAR
        LOGGER.log(Level.SEVERE, "Failure handling HTTP Request", th);
        ctx.close();
    } finally {
        request.getHttpRequest().release();
    }
    return null;
}

From source file:org.apache.hyracks.http.server.HttpServerHandler.java

License:Apache License

protected void respond(ChannelHandlerContext ctx, HttpVersion httpVersion, HttpResponseStatus status) {
    DefaultHttpResponse response = new DefaultHttpResponse(httpVersion, status);
    ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
}

From source file:org.apache.qpid.jms.transports.netty.NettyServer.java

License:Apache License

private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest request,
        FullHttpResponse response) {//w  w  w  .j av  a2  s. c  o m
    // Generate an error page if response getStatus code is not OK (200).
    if (response.status().code() != 200) {
        ByteBuf buf = Unpooled.copiedBuffer(response.status().toString(), StandardCharsets.UTF_8);
        response.content().writeBytes(buf);
        buf.release();
        HttpUtil.setContentLength(response, response.content().readableBytes());
    }

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

From source file:org.apache.rocketmq.namesrv.telnet.TelnetHandler.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 a v a 2s  .  c  o  m*/
    boolean close = false;
    if (request.isEmpty()) {
        return;
    } else if ("bye".equals(request.toLowerCase())) {
        response = "Have a good day!\r\n";
        close = true;
    } else {
        response = TelnetCommandUtil.doCmd(request);
    }

    // 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:org.apache.tajo.HttpFileServerHandler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {

    if (request.getMethod() != HttpMethod.GET) {
        sendError(ctx, HttpResponseStatus.METHOD_NOT_ALLOWED);
        return;//  w  ww . j a  v a  2  s  .  c om
    }

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

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

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

    HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
    HttpHeaders.setContentLength(response, fileLength);
    setContentTypeHeader(response);

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

    // Write the content.
    ChannelFuture writeFuture;
    ChannelFuture lastContentFuture;
    if (ctx.pipeline().get(SslHandler.class) != null) {
        // Cannot use zero-copy with HTTPS.
        lastContentFuture = ctx.writeAndFlush(new HttpChunkedInput(new ChunkedFile(raf, 0, fileLength, 8192)));
    } else {
        // No encryption - use zero-copy.
        final FileRegion region = new DefaultFileRegion(raf.getChannel(), 0, fileLength);
        writeFuture = ctx.write(region);
        lastContentFuture = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
        writeFuture.addListener(new ChannelProgressiveFutureListener() {
            @Override
            public void operationProgressed(ChannelProgressiveFuture future, long progress, long total)
                    throws Exception {
                LOG.trace(String.format("%s: %d / %d", path, progress, total));
            }

            @Override
            public void operationComplete(ChannelProgressiveFuture future) throws Exception {
                region.release();
            }
        });
    }

    // 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:org.apache.tajo.HttpFileServerHandler.java

License:Apache License

private static void sendError(ChannelHandlerContext ctx, HttpResponseStatus status) {
    FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, status,
            Unpooled.copiedBuffer("Failure: " + status.toString() + "\r\n", CharsetUtil.UTF_8));
    response.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/plain; charset=UTF-8");

    // Close the connection as soon as the error message is sent.
    ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
}

From source file:org.apache.tajo.pullserver.HttpDataServerHandler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {

    if (request.getMethod() != HttpMethod.GET) {
        sendError(ctx, HttpResponseStatus.METHOD_NOT_ALLOWED);
        return;/*from  www  . j av  a 2  s.c om*/
    }

    String base = ContainerLocalizer.USERCACHE + "/" + userName + "/" + ContainerLocalizer.APPCACHE + "/"
            + appId + "/output" + "/";

    final Map<String, List<String>> params = new QueryStringDecoder(request.getUri()).parameters();

    List<FileChunk> chunks = Lists.newArrayList();
    List<String> taskIds = splitMaps(params.get("ta"));
    int sid = Integer.valueOf(params.get("sid").get(0));
    int partitionId = Integer.valueOf(params.get("p").get(0));
    for (String ta : taskIds) {

        File file = new File(base + "/" + sid + "/" + ta + "/output/" + partitionId);
        FileChunk chunk = new FileChunk(file, 0, file.length());
        chunks.add(chunk);
    }

    FileChunk[] file = chunks.toArray(new FileChunk[chunks.size()]);

    // Write the content.
    if (file == null) {
        HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.NO_CONTENT);
        if (!HttpHeaders.isKeepAlive(request)) {
            ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
        } else {
            response.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
            ctx.writeAndFlush(response);
        }
    } else {
        HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
        ChannelFuture writeFuture = null;
        long totalSize = 0;
        for (FileChunk chunk : file) {
            totalSize += chunk.length();
        }
        HttpHeaders.setContentLength(response, totalSize);

        if (HttpHeaders.isKeepAlive(request)) {
            response.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
        }
        // Write the initial line and the header.
        writeFuture = ctx.write(response);

        for (FileChunk chunk : file) {
            writeFuture = sendFile(ctx, chunk);
            if (writeFuture == null) {
                sendError(ctx, HttpResponseStatus.NOT_FOUND);
                return;
            }
        }
        if (ctx.pipeline().get(SslHandler.class) == null) {
            writeFuture = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
        } else {
            ctx.flush();
        }

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

}

From source file:org.apache.tajo.pullserver.HttpDataServerHandler.java

License:Apache License

private void sendError(ChannelHandlerContext ctx, HttpResponseStatus status) {
    FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, status,
            Unpooled.copiedBuffer("Failure: " + status.toString() + "\r\n", CharsetUtil.UTF_8));
    response.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/plain; charset=UTF-8");

    // Close the connection as soon as the error message is sent.
    ctx.channel().writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
}