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.tongtech.tis.fsc.file.HttpStaticFileServerHandler.java

License:Apache License

public void channelRead0(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {
    URI requri = new URI(request.uri());
    System.out.println("uri download: " + requri.getPath());
    if (!request.decoderResult().isSuccess()) {
        sendError(ctx, BAD_REQUEST);//from   w  w  w. j  a v  a2  s.c om
        return;
    }

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

    final String uri = request.uri();
    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(HttpHeaderNames.IF_MODIFIED_SINCE);
    if (ifModifiedSince != null && !ifModifiedSince.isEmpty()) {
        logger.info("file is modified.");
        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);
    HttpUtil.setContentLength(response, fileLength);
    setContentTypeHeader(response, file);
    setDateAndCacheHeaders(response, file);
    if (HttpUtil.isKeepAlive(request)) {
        response.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.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.writeAndFlush(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 (!HttpUtil.isKeepAlive(request)) {
        // Close the connection when the whole content is written out.
        lastContentFuture.addListener(ChannelFutureListener.CLOSE);
    }
}

From source file:com.topsec.bdc.platform.api.test.http.file.HttpStaticFileServerHandler.java

License:Apache License

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

    if (!request.getDecoderResult().isSuccess()) {
        sendError(ctx, BAD_REQUEST);// w w  w.  ja v a2s. 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.writeAndFlush(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.topsec.bdc.platform.api.test.http.upload.HttpUploadServerHandler.java

License:Apache License

private void writeResponse(Channel channel) {

    // Convert the response content to a ChannelBuffer.
    ByteBuf buf = copiedBuffer(responseContent.toString(), CharsetUtil.UTF_8);
    responseContent.setLength(0);//from  w w w  . j  a  v  a  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(HttpVersion.HTTP_1_1, HttpResponseStatus.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);
    }
    if (!cookies.isEmpty()) {
        // Reset the cookies if necessary.
        for (Cookie cookie : cookies) {
            response.headers().add(SET_COOKIE, ServerCookieEncoder.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);
    }
}

From source file:com.topsec.bdc.platform.api.test.http.websocketx.benchmarkserver.WebSocketServerHandler.java

License:Apache License

private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) {

    // Generate an error page if response getStatus code is not OK (200).
    if (res.getStatus().code() != 200) {
        ByteBuf buf = Unpooled.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);//  w ww . j ava 2 s. c  o m
        buf.release();
        HttpHeaders.setContentLength(res, res.content().readableBytes());
    }

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

From source file:com.ttpod.rpc.netty.telnet.TelnetServerHandler.java

License:Apache License

public void messageReceived(ChannelHandlerContext ctx, String request) throws Exception {

    request = request.trim();/* w  w  w.j a va2s  . c  om*/
    int blank = request.indexOf(' ');
    String key = request;
    String args = null;
    if (blank > 0) {
        key = request.substring(0, blank);
        args = request.substring(++blank).trim();
    }
    String response;
    ServerProcessor proc = processors.get(key);
    boolean close = false;
    if (null != proc) {
        RequestBean<String> req = new RequestBean<>();
        req.setData(args);
        response = String.valueOf(proc.handle(req).getData()) + "\r\n";
    } else if ("bye".equals(request.toLowerCase())) {
        response = "Have a good day!\r\n";
        close = true;
    } else {
        response = usage(processors);
    }

    // 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.turn.ttorrent.client.io.PeerClient.java

License:Apache License

@Nonnull
public ChannelFuture connect(@Nonnull final PeerConnectionListener listener, @Nonnull final byte[] infoHash,
        @Nonnull final SocketAddress remoteAddress) {
    final ChannelFuture future;
    synchronized (lock) {
        // connect -> initAndRegister grabs this, so we can safely synchronize here.
        bootstrap.handler(new PeerClientHandshakeHandler(listener, infoHash, listener.getLocalPeerId()));
        future = bootstrap.connect(remoteAddress);
    }//from w  w  w. jav  a 2  s  . co  m
    future.addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            try {
                LOG.trace("Succeeded: {}", future.get());
            } catch (Exception e) {
                // LOG.error("Connection to " + remoteAddress + " failed.", e);
                listener.handlePeerConnectionFailed(remoteAddress, e);
                Channel channel = future.channel();
                if (channel.isOpen())
                    channel.close(); // .addListener(ChannelFutureListener.FIRE_EXCEPTION_ON_FAILURE);
            }
        }
    });
    return future;
}

From source file:com.turo.pushy.apns.ApnsChannelFactory.java

License:Open Source License

/**
 * Creates and connects a new channel. The initial connection attempt may be delayed to accommodate exponential
 * back-off requirements./*from  ww  w  .  j av  a  2 s.c om*/
 *
 * @param channelReadyPromise the promise to be notified when a channel has been created and connected to the APNs
 * server
 *
 * @return a future that will be notified once a channel has been created and connected to the APNs server
 */
@Override
public Future<Channel> create(final Promise<Channel> channelReadyPromise) {
    final long delay = this.currentDelaySeconds.get();

    channelReadyPromise.addListener(new GenericFutureListener<Future<Channel>>() {

        @Override
        public void operationComplete(final Future<Channel> future) {
            final long updatedDelay = future.isSuccess() ? 0
                    : Math.max(Math.min(delay * 2, MAX_CONNECT_DELAY_SECONDS), MIN_CONNECT_DELAY_SECONDS);

            ApnsChannelFactory.this.currentDelaySeconds.compareAndSet(delay, updatedDelay);
        }
    });

    this.bootstrapTemplate.config().group().schedule(new Runnable() {

        @Override
        public void run() {

            final Bootstrap bootstrap = ApnsChannelFactory.this.bootstrapTemplate.clone()
                    .channelFactory(new AugmentingReflectiveChannelFactory<>(
                            ClientChannelClassUtil.getSocketChannelClass(
                                    ApnsChannelFactory.this.bootstrapTemplate.config().group()),
                            CHANNEL_READY_PROMISE_ATTRIBUTE_KEY, channelReadyPromise));

            final ChannelFuture connectFuture = bootstrap.connect();

            connectFuture.addListener(new GenericFutureListener<ChannelFuture>() {

                @Override
                public void operationComplete(final ChannelFuture future) {
                    if (!future.isSuccess()) {
                        // This may seem spurious, but our goal here is to accurately report the cause of
                        // connection failure; if we just wait for connection closure, we won't be able to
                        // tell callers anything more specific about what went wrong.
                        tryFailureAndLogRejectedCause(channelReadyPromise, future.cause());
                    }
                }
            });

            connectFuture.channel().closeFuture().addListener(new GenericFutureListener<ChannelFuture>() {

                @Override
                public void operationComplete(final ChannelFuture future) {
                    // We always want to try to fail the "channel ready" promise if the connection closes; if it has
                    // already succeeded, this will have no effect.
                    channelReadyPromise.tryFailure(
                            new IllegalStateException("Channel closed before HTTP/2 preface completed."));
                }
            });

        }
    }, delay, TimeUnit.SECONDS);

    return channelReadyPromise;
}

From source file:com.twitter.http2.HttpConnectionHandler.java

License:Apache License

private void issueConnectionError(HttpErrorCode status) {
    ChannelFuture future = sendGoAwayFrame(status);
    future.addListener(ChannelFutureListener.CLOSE);
}

From source file:com.twitter.http2.HttpConnectionHandler.java

License:Apache License

private void halfCloseStream(int streamId, boolean remote, ChannelFuture future) {
    if (remote) {
        httpConnection.closeRemoteSide(streamId, isRemoteInitiatedId(streamId));
    } else {/*from  w  ww  . jav  a  2  s .  co m*/
        httpConnection.closeLocalSide(streamId, isRemoteInitiatedId(streamId));
    }
    if (closingChannelFutureListener != null && httpConnection.noActiveStreams()) {
        future.addListener(closingChannelFutureListener);
    }
}

From source file:com.twitter.http2.HttpConnectionHandler.java

License:Apache License

private void removeStream(int streamId, ChannelFuture future) {
    httpConnection.removeStream(streamId, isRemoteInitiatedId(streamId));
    if (closingChannelFutureListener != null && httpConnection.noActiveStreams()) {
        future.addListener(closingChannelFutureListener);
    }/*from w w w.j ava2  s.co  m*/
}