Examples with DefaultHttpResponse io.netty.handler.codec.http.DefaultHttpResponse used on opensource projects

Example 66 with DefaultHttpResponse

use of io.netty.handler.codec.http.DefaultHttpResponse in project flink by apache.

the class HandlerUtils method transferFile.

public static void transferFile(ChannelHandlerContext ctx, File file, HttpRequest httpRequest) throws FlinkException {
    final RandomAccessFile randomAccessFile;
    try {
        randomAccessFile = new RandomAccessFile(file, "r");
    } catch (FileNotFoundException e) {
        throw new FlinkException("Can not find file " + file + ".", e);
    }
    try {
        final long fileLength = randomAccessFile.length();
        final FileChannel fileChannel = randomAccessFile.getChannel();
        try {
            HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
            response.headers().set(CONTENT_TYPE, "text/plain");
            if (HttpHeaders.isKeepAlive(httpRequest)) {
                response.headers().set(CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
            }
            HttpHeaders.setContentLength(response, fileLength);
            // write the initial line and the header.
            ctx.write(response);
            // write the content.
            final ChannelFuture lastContentFuture;
            final GenericFutureListener<Future<? super Void>> completionListener = future -> {
                fileChannel.close();
                randomAccessFile.close();
            };
            if (ctx.pipeline().get(SslHandler.class) == null) {
                ctx.write(new DefaultFileRegion(fileChannel, 0, fileLength), ctx.newProgressivePromise()).addListener(completionListener);
                lastContentFuture = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
            } else {
                lastContentFuture = ctx.writeAndFlush(new HttpChunkedInput(new ChunkedFile(randomAccessFile, 0, fileLength, 8192)), ctx.newProgressivePromise()).addListener(completionListener);
            // HttpChunkedInput will write the end marker (LastHttpContent) for us.
            }
            // close the connection, if no keep-alive is needed
            if (!HttpHeaders.isKeepAlive(httpRequest)) {
                lastContentFuture.addListener(ChannelFutureListener.CLOSE);
            }
        } catch (IOException ex) {
            fileChannel.close();
            throw ex;
        }
    } catch (IOException ioe) {
        try {
            randomAccessFile.close();
        } catch (IOException e) {
            throw new FlinkException("Close file or channel error.", e);
        }
        throw new FlinkException("Could not transfer file " + file + " to the client.", ioe);
    }
}

Example 67 with DefaultHttpResponse

use of io.netty.handler.codec.http.DefaultHttpResponse in project crate by crate.

the class HttpBlobHandler method fullContentResponse.

private void fullContentResponse(HttpRequest request, String index, final String digest) throws IOException {
    BlobShard blobShard = localBlobShard(index, digest);
    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, HttpResponseStatus.OK);
    Netty4CorsHandler.setCorsResponseHeaders(request, response, corsConfig);
    final RandomAccessFile raf = blobShard.blobContainer().getRandomAccessFile(digest);
    try {
        HttpUtil.setContentLength(response, raf.length());
        setDefaultGetHeaders(response);
        LOGGER.trace("HttpResponse: {}", response);
        Channel channel = ctx.channel();
        channel.write(response);
        ChannelFuture writeFuture = transferFile(digest, raf, 0, raf.length());
        if (!HttpUtil.isKeepAlive(request)) {
            writeFuture.addListener(ChannelFutureListener.CLOSE);
        }
    } catch (Throwable t) {
        /*
             * Make sure RandomAccessFile is closed when exception is raised.
             * In case of success, the ChannelFutureListener in "transferFile" will take care
             * that the resources are released.
             */
        raf.close();
        throw t;
    }
}

Example 68 with DefaultHttpResponse

use of io.netty.handler.codec.http.DefaultHttpResponse in project reactor-netty by reactor.

the class HttpOperationsTest method httpAndJsonDecoders.

@Test
void httpAndJsonDecoders() {
    EmbeddedChannel channel = new EmbeddedChannel();
    Connection testContext = () -> channel;
    ChannelHandler handler = new JsonObjectDecoder(true);
    testContext.addHandlerLast("foo", handler);
    HttpOperations.autoAddHttpExtractor(testContext, "foo", handler);
    String json1 = "[{\"some\": 1} , {\"valu";
    String json2 = "e\": true, \"test\": 1}]";
    Object[] content = new Object[3];
    content[0] = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
    content[1] = new DefaultHttpContent(Unpooled.copiedBuffer(json1, CharsetUtil.UTF_8));
    content[2] = new DefaultLastHttpContent(Unpooled.copiedBuffer(json2, CharsetUtil.UTF_8));
    channel.writeInbound(content);
    Object t = channel.readInbound();
    assertThat(t).isInstanceOf(HttpResponse.class);
    assertThat(t).isNotInstanceOf(HttpContent.class);
    t = channel.readInbound();
    assertThat(t).isInstanceOf(ByteBuf.class);
    ByteBuf b = (ByteBuf) t;
    assertThat(b.readCharSequence(b.readableBytes(), CharsetUtil.UTF_8)).isEqualTo("{\"some\": 1}");
    b.release();
    t = channel.readInbound();
    assertThat(t).isInstanceOf(ByteBuf.class);
    b = (ByteBuf) t;
    assertThat(b.readCharSequence(b.readableBytes(), CharsetUtil.UTF_8)).isEqualTo("{\"value\": true, \"test\": 1}");
    b.release();
    t = channel.readInbound();
    assertThat(t).isEqualTo(LastHttpContent.EMPTY_LAST_CONTENT);
    ((LastHttpContent) t).release();
    t = channel.readInbound();
    assertThat(t).isNull();
}