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

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.rackspacecloud.blueflood.outputs.handlers.HttpMetricDataQueryServer.java

License:Apache License

private void setupPipeline(SocketChannel channel, RouteMatcher router) {
    final ChannelPipeline pipeline = channel.pipeline();

    pipeline.addLast("encoder", new HttpResponseEncoder());
    pipeline.addLast("decoder", new HttpRequestDecoder() {
        @Override/*w w  w.ja  va 2  s. c  o m*/
        public void exceptionCaught(ChannelHandlerContext ctx, Throwable thr) throws Exception {
            try {
                if (ctx.channel().isWritable()) {
                    log.debug("request decoder error " + thr.getCause().toString() + " on channel "
                            + ctx.channel().toString());
                    ctx.channel().write(
                            new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.BAD_REQUEST))
                            .addListener(ChannelFutureListener.CLOSE);
                } else {
                    log.debug("channel " + ctx.channel().toString()
                            + " is no longer writeable, not sending 400 response back to client");
                }
            } catch (Exception ex) {
                // If we are getting exception trying to write,
                // don't propagate to caller. It may cause this
                // method to be called again and will produce
                // stack overflow. So just log it here.
                log.debug("Can't write to channel " + ctx.channel().toString(), ex);
            }
        }
    });
    pipeline.addLast("chunkaggregator", new HttpObjectAggregator(httpMaxContentLength));
    pipeline.addLast("handler", new QueryStringDecoderAndRouter(router));
}

From source file:com.rs3e.network.session.impl.UpdateSession.java

License:Open Source License

@Override
public void message(Object obj) {
    if (handshakeComplete) {
        if (obj instanceof FileRequest) {
            FileRequest request = (FileRequest) obj;

            synchronized (fileQueue) {
                if (request.isPriority()) {
                    fileQueue.addFirst(request);
                } else {
                    fileQueue.addLast(request);
                }/*  w  ww  . j  a v  a 2s  . c o m*/

                if (idle) {
                    service.addPendingSession(this);
                    idle = false;
                }
            }
        } else if (obj instanceof UpdateEncryptionMessage) {
            UpdateEncryptionMessage encryption = (UpdateEncryptionMessage) obj;
            XorEncoder encoder = channel.pipeline().get(XorEncoder.class);
            encoder.setKey(encryption.getKey());
        }
    } else {
        UpdateVersionMessage version = (UpdateVersionMessage) obj;

        int status;
        if (version.getVersion() == Constants.ServerRevision) {
            status = UpdateStatusMessage.STATUS_OK;
        } else {
            status = UpdateStatusMessage.STATUS_OUT_OF_DATE;
        }

        ChannelFuture future = channel.write(new UpdateStatusMessage(status));
        if (status == UpdateStatusMessage.STATUS_OK) {
            /*
             * the client won't re-connect so an ondemand session cannot
             * time out
             */
            channel.pipeline().remove(ReadTimeoutHandler.class);
            handshakeComplete = true;
        } else {
            future.addListener(ChannelFutureListener.CLOSE);
        }
    }
}

From source file:com.rs3e.network.session.impl.WorldListSession.java

License:Open Source License

@Override
public void message(Object obj) {
    World[] worlds = { new World(1, World.FLAG_MEMBERS | World.FLAG_QUICK_CHAT, 0, "RS3Emu", "127.0.0.1"),
            new World(2, World.FLAG_MEMBERS | World.FLAG_QUICK_CHAT, 0, "Ieldor BETA", "127.0.0.1") };
    int[] players = { 0 };
    channel.write(new WorldListMessage(0xDEADBEEF, COUNTRIES, worlds, players))
            .addListener(ChannelFutureListener.CLOSE);
}

From source file:com.sangupta.swift.netty.http.HttpStaticFileServerHandler.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext context, FullHttpRequest request) throws Exception {
    if (!request.getDecoderResult().isSuccess()) {
        NettyUtils.sendError(context, HttpResponseStatus.BAD_REQUEST);
        return;//  w w  w. java  2 s.com
    }

    if (request.getMethod() != HttpMethod.GET) {
        NettyUtils.sendError(context, HttpResponseStatus.METHOD_NOT_ALLOWED);
        return;
    }

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

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

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

        return;
    }

    if (!file.isFile()) {
        NettyUtils.sendError(context, HttpResponseStatus.FORBIDDEN);
        return;
    }

    // Cache Validation
    String ifModifiedSince = request.headers().get(HttpHeaders.Names.IF_MODIFIED_SINCE);
    if (ifModifiedSince != null && !ifModifiedSince.isEmpty()) {
        Date ifModifiedSinceDate = NettyUtils.parseDateHeader(ifModifiedSince);

        if (ifModifiedSinceDate != null) {
            // 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) {
                NettyUtils.sendNotModified(context);
                return;
            }
        }
    }

    RandomAccessFile raf;
    try {
        raf = new RandomAccessFile(file, "r");
    } catch (FileNotFoundException ignore) {
        NettyUtils.sendError(context, HttpResponseStatus.NOT_FOUND);
        return;
    }

    final long fileLength = file.length();

    HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
    HttpHeaders.setContentLength(response, fileLength);
    NettyUtils.setContentTypeHeader(response, file);
    NettyUtils.setDateAndCacheHeaders(response, file, 3600); // cache for an hour

    // check for keep alive
    if (HttpHeaders.isKeepAlive(request)) {
        response.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
    }

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

    // Write the content.
    ChannelFuture sendFileFuture;
    if (context.pipeline().get(SslHandler.class) == null) {
        sendFileFuture = context.write(new DefaultFileRegion(raf.getChannel(), 0, fileLength),
                context.newProgressivePromise());
    } else {
        sendFileFuture = context.write(new HttpChunkedInput(new ChunkedFile(raf, 0, fileLength, 8192)),
                context.newProgressivePromise());
    }

    //      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.");
    //         }
    //         
    //      });

    // Write the end marker
    ChannelFuture lastContentFuture = context.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);

    // 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.sangupta.swift.netty.NettyUtils.java

License:Apache License

public static void sendError(ChannelHandlerContext ctx, HttpResponseStatus status) {
    FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, status,
            Unpooled.copiedBuffer("Failure: " + status + "\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:com.sangupta.swift.netty.NettyUtils.java

License:Apache License

public static void sendRedirect(ChannelHandlerContext ctx, String newUri) {
    FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.FOUND);
    response.headers().set(HttpHeaders.Names.LOCATION, newUri);

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

From source file:com.sangupta.swift.netty.NettyUtils.java

License:Apache License

/**
 * When file timestamp is the same as what the browser is sending up, send a
 * "304 Not Modified"// w  ww. j  av a 2 s. c  o m
 *
 * @param ctx
 *            Context
 */
public static void sendNotModified(ChannelHandlerContext ctx) {
    FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1,
            HttpResponseStatus.NOT_MODIFIED);
    setDateHeader(response);

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

From source file:com.sangupta.swift.netty.NettyUtils.java

License:Apache License

public static void sendListing(ChannelHandlerContext ctx, File dir) {
    FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
    response.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/html; charset=UTF-8");

    StringBuilder buf = new StringBuilder();
    String dirPath = dir.getPath();

    buf.append("<!DOCTYPE html>\r\n");
    buf.append("<html><head><title>");
    buf.append("Listing of: ");
    buf.append(dirPath);//from ww  w.  j  av  a2  s  .co m
    buf.append("</title></head><body>\r\n");

    buf.append("<h3>Listing of: ");
    buf.append(dirPath);
    buf.append("</h3>\r\n");

    buf.append("<ul>");
    buf.append("<li><a href=\"../\">..</a></li>\r\n");

    for (File f : dir.listFiles()) {
        if (f.isHidden() || !f.canRead()) {
            continue;
        }

        String name = f.getName();
        if (!ALLOWED_FILE_NAME.matcher(name).matches()) {
            continue;
        }

        buf.append("<li><a href=\"");
        buf.append(name);
        buf.append("\">");
        buf.append(name);
        buf.append("</a></li>\r\n");
    }

    buf.append("</ul></body></html>\r\n");
    ByteBuf buffer = Unpooled.copiedBuffer(buf, CharsetUtil.UTF_8);
    response.content().writeBytes(buffer);
    buffer.release();

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

From source file:com.sangupta.swift.netty.NettyUtils.java

License:Apache License

public static void sendListing(final ChannelHandlerContext ctx, final File dir, final String spdyRequest) {
    FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
    response.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/html; charset=UTF-8");

    if (AssertUtils.isNotEmpty(spdyRequest)) {
        response.headers().set(SPDY_STREAM_ID, spdyRequest);
        response.headers().set(SPDY_STREAM_PRIO, 0);
    }//from w  ww  .  j av a  2 s  .  c om

    StringBuilder buf = new StringBuilder();
    String dirPath = dir.getPath();

    buf.append("<!DOCTYPE html>\r\n");
    buf.append("<html><head><title>");
    buf.append("Listing of: ");
    buf.append(dirPath);
    buf.append("</title></head><body>\r\n");

    buf.append("<h3>Listing of: ");
    buf.append(dirPath);
    buf.append("</h3>\r\n");

    buf.append("<ul>");
    buf.append("<li><a href=\"../\">..</a></li>\r\n");

    for (File f : dir.listFiles()) {
        if (f.isHidden() || !f.canRead()) {
            continue;
        }

        String name = f.getName();
        if (!ALLOWED_FILE_NAME.matcher(name).matches()) {
            continue;
        }

        buf.append("<li><a href=\"");
        buf.append(name);
        buf.append("\">");
        buf.append(name);
        buf.append("</a></li>\r\n");
    }

    buf.append("</ul></body></html>\r\n");
    ByteBuf buffer = Unpooled.copiedBuffer(buf, CharsetUtil.UTF_8);
    response.content().writeBytes(buffer);
    buffer.release();

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

From source file:com.sangupta.swift.netty.proxy.ProxyFrontendHandler.java

License:Apache License

/**
 * Closes the specified channel after all queued write requests are flushed.
 *//*w  w w  .j  av  a2  s. c  om*/
static void closeOnFlush(Channel channel) {
    if (channel.isActive()) {
        channel.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
    }
}