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.yeetor.androidcontrol.WSSocketHandler.java

License:Open Source License

private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req,
        DefaultFullHttpResponse res) {//  w w w . ja va  2 s  . c om
    // 
    if (res.getStatus().code() != 200) {
        ByteBuf buf = Unpooled.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);
        buf.release();
    }
    // ?Keep-Alive
    ChannelFuture f = ctx.channel().writeAndFlush(res);
    if (!isKeepAlive(req) || res.getStatus().code() != 200) {
        f.addListener(ChannelFutureListener.CLOSE);
    }
}

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From source file:com.yeetor.server.HttpServer.java

License:Open Source License

public void writeResponse(ChannelHandlerContext ctx, HttpRequest request, HttpResponse response,
        Object... contents) {//ww w.j  ava  2s  .  c  om

    if (HttpUtil.isKeepAlive(request)) {
        response.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE);
    }

    ctx.write(response);
    for (Object content : contents) {
        ctx.write(content);
    }
    ChannelFuture future = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);

    if (!HttpUtil.isKeepAlive(request)) {
        future.addListener(ChannelFutureListener.CLOSE);
    }
}

---

From source file:com.zank.websocket.server.ServerHandler.java

License:Apache License

private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) {
    if (res.status().code() != 200) {
        ByteBuf buf = Unpooled.copiedBuffer(res.status().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);//from  w  w w .ja v a 2 s.  co  m
        buf.release();
        HttpHeaderUtil.setContentLength(res, res.content().readableBytes());
    }

    ChannelFuture f = ctx.channel().writeAndFlush(res);
    if (!HttpHeaderUtil.isKeepAlive(req) || res.status().code() != 200) {
        f.addListener(ChannelFutureListener.CLOSE);
    }
}

---

From source file:com.zhucode.longio.transport.netty.HttpHandler.java

License:Open Source License

private ChannelFuture sendForHttp(ChannelHandlerContext ctx, byte[] bytes) {
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, Unpooled.wrappedBuffer(bytes));
    response.headers().set(CONTENT_TYPE, "text/json; charset=utf-8");
    response.headers().set(CONTENT_LENGTH, response.content().readableBytes());

    boolean ka = ctx.attr(keepAlive).get();

    if (!ka) {/*from  w w w .  java 2  s  . com*/
        return ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
    } else {
        response.headers().set(CONNECTION, Values.KEEP_ALIVE);
        return ctx.writeAndFlush(response);
    }
}

---

From source file:de.dfki.kiara.http.HttpHandler.java

License:Open Source License

@Override
public ListenableFuture<Void> send(TransportMessage message) {
    if (message == null) {
        throw new NullPointerException("msg");
    }//from  w  ww  .  j  av a 2  s . c  o  m
    if (state != State.CONNECTED || channel == null) {
        throw new IllegalStateException("state=" + state.toString() + " channel=" + channel);
    }

    HttpMessage httpMsg;

    boolean keepAlive = true;

    if (message instanceof HttpRequestMessage) {
        HttpRequestMessage msg = (HttpRequestMessage) message;

        httpMsg = msg.finalizeRequest();

        if (logger.isDebugEnabled()) {
            logger.debug("SEND CONTENT: {}", msg.getContent().content().toString(StandardCharsets.UTF_8));
        }
    } else if (message instanceof HttpResponseMessage) {
        HttpResponseMessage msg = (HttpResponseMessage) message;

        httpMsg = msg.finalizeResponse();

        keepAlive = HttpHeaders.isKeepAlive(httpMsg);

        if (logger.isDebugEnabled()) {
            logger.debug("SEND CONTENT: {}", msg.getContent().content().toString(StandardCharsets.UTF_8));
        }
    } else {
        throw new IllegalArgumentException("msg is neither of type HttpRequestMessage nor HttpResponseMessage");
    }

    ChannelFuture result = channel.writeAndFlush(httpMsg);

    if (!keepAlive) {
        // If keep-alive is off, close the connection once the content is fully written.
        channel.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
    }

    return new ListenableConstantFutureAdapter<>(result, null);
}

---

From source file:de.eightnine.rec.HttpStaticFileServerHandler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {
    if (!request.getDecoderResult().isSuccess()) {
        sendError(ctx, BAD_REQUEST);/*ww w.j  av  a  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;
    if (ctx.pipeline().get(SslHandler.class) == null) {
        sendFileFuture = ctx.write(new DefaultFileRegion(raf.getChannel(), 0, fileLength),
                ctx.newProgressivePromise());
    } else {
        sendFileFuture = ctx.write(new HttpChunkedInput(new ChunkedFile(raf, 0, fileLength, 8192)),
                ctx.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 = ctx.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:de.jackwhite20.apex.util.ChannelUtil.java

License:Open Source License

public static void closeOnFlush(Channel ch) {

    if (ch != null && ch.isActive()) {
        ch.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
    }/*  w  w  w.  j a v a2 s .  c om*/
}

---

From source file:de.jackwhite20.comix.handler.DownstreamHandler.java

License:Open Source License

@Override
public void channelInactive(ChannelHandlerContext ctx) {
    if (upstreamChannel != null) {
        if (upstreamChannel.isActive()) {
            upstreamChannel.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
        }//from w  w w . jav  a  2 s  .c o  m

        upstreamBytesOut = 0;
        downstreamBytesIn = 0;
    }
}

---

From source file:de.jackwhite20.comix.handler.DownstreamHandler.java

License:Open Source License

@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
    Channel ch = ctx.channel();//from   www  .  j  av a 2  s .c o  m
    if (ch.isActive()) {
        ch.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
    }
}

---

From source file:de.jackwhite20.comix.handler.HandshakeHandler.java

License:Open Source License

@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
    Channel ch = ctx.channel();/*from   w  ww  . j  av a  2s .c o m*/
    if (ch.isActive()) {
        ch.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
    }
}

---

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