Examples with ChannelProgressiveFutureListener io.netty.channel.ChannelProgressiveFutureListener used on opensource projects

Example 1 with ChannelProgressiveFutureListener

use of io.netty.channel.ChannelProgressiveFutureListener in project netty by netty.

the class HttpStaticFileServerHandler method channelRead0.

@Override
public void channelRead0(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {
    this.request = request;
    if (!request.decoderResult().isSuccess()) {
        sendError(ctx, BAD_REQUEST);
        return;
    }
    if (!GET.equals(request.method())) {
        sendError(ctx, METHOD_NOT_ALLOWED);
        return;
    }
    final boolean keepAlive = HttpUtil.isKeepAlive(request);
    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, uri);
        } 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()) {
        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 (!keepAlive) {
        response.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.CLOSE);
    } else if (request.protocolVersion().equals(HTTP_1_0)) {
        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 (!keepAlive) {
        // Close the connection when the whole content is written out.
        lastContentFuture.addListener(ChannelFutureListener.CLOSE);
    }
}

Example 2 with ChannelProgressiveFutureListener

use of io.netty.channel.ChannelProgressiveFutureListener in project netty by netty.

the class Http2StaticFileServerHandler method channelRead.

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    if (msg instanceof Http2HeadersFrame) {
        Http2HeadersFrame headersFrame = (Http2HeadersFrame) msg;
        this.stream = headersFrame.stream();
        if (!GET.toString().equals(headersFrame.headers().method().toString())) {
            sendError(ctx, METHOD_NOT_ALLOWED);
            return;
        }
        final String uri = headersFrame.headers().path().toString();
        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, uri);
            } else {
                sendRedirect(ctx, uri + '/');
            }
            return;
        }
        if (!file.isFile()) {
            sendError(ctx, FORBIDDEN);
            return;
        }
        // Cache Validation
        CharSequence ifModifiedSince = headersFrame.headers().get(HttpHeaderNames.IF_MODIFIED_SINCE);
        if (ifModifiedSince != null && !ifModifiedSince.toString().isEmpty()) {
            SimpleDateFormat dateFormatter = new SimpleDateFormat(HTTP_DATE_FORMAT, Locale.US);
            Date ifModifiedSinceDate = dateFormatter.parse(ifModifiedSince.toString());
            // 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();
        Http2Headers headers = new DefaultHttp2Headers();
        headers.status("200");
        headers.setLong(HttpHeaderNames.CONTENT_LENGTH, fileLength);
        setContentTypeHeader(headers, file);
        setDateAndCacheHeaders(headers, file);
        // Write the initial line and the header.
        ctx.writeAndFlush(new DefaultHttp2HeadersFrame(headers).stream(stream));
        // Write the content.
        ChannelFuture sendFileFuture;
        sendFileFuture = ctx.writeAndFlush(new Http2DataChunkedInput(new ChunkedFile(raf, 0, fileLength, 8192), stream), 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.");
            }
        });
    } else {
        // Unsupported message type
        System.out.println("Unsupported message type: " + msg);
    }
}

Example 3 with ChannelProgressiveFutureListener

use of io.netty.channel.ChannelProgressiveFutureListener in project crate by crate.

the class HttpBlobHandler method transferFile.

private ChannelFuture transferFile(final String digest, RandomAccessFile raf, long position, long count) throws IOException {
    Channel channel = ctx.channel();
    final ChannelFuture fileFuture;
    final ChannelFuture endMarkerFuture;
    if (sslEnabled) {
        HttpChunkedInput httpChunkedInput = new HttpChunkedInput(new ChunkedFile(raf, 0, count, HTTPS_CHUNK_SIZE));
        fileFuture = channel.writeAndFlush(httpChunkedInput, ctx.newProgressivePromise());
        // HttpChunkedInput also writes the end marker (LastHttpContent) for us.
        endMarkerFuture = fileFuture;
    } else {
        FileRegion region = new DefaultFileRegion(raf.getChannel(), position, count);
        fileFuture = channel.write(region, ctx.newProgressivePromise());
        // Flushes and sets the ending marker
        endMarkerFuture = channel.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
    }
    fileFuture.addListener(new ChannelProgressiveFutureListener() {

        @Override
        public void operationProgressed(ChannelProgressiveFuture future, long progress, long total) throws Exception {
            LOGGER.debug("transferFile digest={} progress={} total={}", digest, progress, total);
        }

        @Override
        public void operationComplete(ChannelProgressiveFuture future) throws Exception {
            LOGGER.trace("transferFile operationComplete");
        }
    });
    return endMarkerFuture;
}