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

Example 96 with HttpRequest

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

the class HttpTestClient method sendGetRequest.

/**
 * Sends a simple GET request to the given path. You only specify the $path part of
 * http://$host:$host/$path.
 *
 * @param path The $path to GET (http://$host:$host/$path)
 */
public void sendGetRequest(String path, Duration timeout) throws TimeoutException, InterruptedException {
    if (!path.startsWith("/")) {
        path = "/" + path;
    }
    HttpRequest getRequest = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, path);
    getRequest.headers().set(HttpHeaders.Names.HOST, host);
    getRequest.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.CLOSE);
    sendRequest(getRequest, timeout);
}

Example 97 with HttpRequest

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

the class HttpRequestHandler method channelRead0.

@Override
public void channelRead0(ChannelHandlerContext ctx, HttpObject msg) {
    try {
        if (msg instanceof HttpRequest) {
            currentRequest = (HttpRequest) msg;
            currentRequestPath = null;
            if (currentDecoder != null) {
                currentDecoder.destroy();
                currentDecoder = null;
            }
            if (currentRequest.getMethod() == HttpMethod.GET || currentRequest.getMethod() == HttpMethod.DELETE) {
                // directly delegate to the router
                ctx.fireChannelRead(currentRequest);
            } else if (currentRequest.getMethod() == HttpMethod.POST) {
                // POST comes in multiple objects. First the request, then the contents
                // keep the request and path for the remaining objects of the POST request
                currentRequestPath = new QueryStringDecoder(currentRequest.getUri(), ENCODING).path();
                currentDecoder = new HttpPostRequestDecoder(DATA_FACTORY, currentRequest, ENCODING);
            } else {
                throw new IOException("Unsupported HTTP method: " + currentRequest.getMethod().name());
            }
        } else if (currentDecoder != null && msg instanceof HttpContent) {
            // received new chunk, give it to the current decoder
            HttpContent chunk = (HttpContent) msg;
            currentDecoder.offer(chunk);
            try {
                while (currentDecoder.hasNext()) {
                    InterfaceHttpData data = currentDecoder.next();
                    if (data.getHttpDataType() == HttpDataType.FileUpload && tmpDir != null) {
                        DiskFileUpload file = (DiskFileUpload) data;
                        if (file.isCompleted()) {
                            String name = file.getFilename();
                            File target = new File(tmpDir, UUID.randomUUID() + "_" + name);
                            if (!tmpDir.exists()) {
                                logExternalUploadDirDeletion(tmpDir);
                                checkAndCreateUploadDir(tmpDir);
                            }
                            file.renameTo(target);
                            QueryStringEncoder encoder = new QueryStringEncoder(currentRequestPath);
                            encoder.addParam("filepath", target.getAbsolutePath());
                            encoder.addParam("filename", name);
                            currentRequest.setUri(encoder.toString());
                        }
                    }
                }
            } catch (EndOfDataDecoderException ignored) {
            }
            if (chunk instanceof LastHttpContent) {
                HttpRequest request = currentRequest;
                currentRequest = null;
                currentRequestPath = null;
                currentDecoder.destroy();
                currentDecoder = null;
                // fire next channel handler
                ctx.fireChannelRead(request);
            }
        } else {
            ctx.fireChannelRead(ReferenceCountUtil.retain(msg));
        }
    } catch (Throwable t) {
        currentRequest = null;
        currentRequestPath = null;
        if (currentDecoder != null) {
            currentDecoder.destroy();
            currentDecoder = null;
        }
        if (ctx.channel().isActive()) {
            byte[] bytes = ExceptionUtils.stringifyException(t).getBytes(ENCODING);
            DefaultFullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.INTERNAL_SERVER_ERROR, Unpooled.wrappedBuffer(bytes));
            response.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/plain");
            response.headers().set(HttpHeaders.Names.CONTENT_LENGTH, response.content().readableBytes());
            ctx.writeAndFlush(response);
        }
    }
}

Example 98 with HttpRequest

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

the class RestClient method createRequest.

private static Request createRequest(String targetAddress, String targetUrl, HttpMethod httpMethod, ByteBuf jsonPayload, Collection<FileUpload> fileUploads) throws IOException {
    if (fileUploads.isEmpty()) {
        HttpRequest httpRequest = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, httpMethod, targetUrl, jsonPayload);
        httpRequest.headers().set(HttpHeaders.Names.HOST, targetAddress).set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.CLOSE).add(HttpHeaders.Names.CONTENT_LENGTH, jsonPayload.capacity()).add(HttpHeaders.Names.CONTENT_TYPE, RestConstants.REST_CONTENT_TYPE);
        return new SimpleRequest(httpRequest);
    } else {
        HttpRequest httpRequest = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, httpMethod, targetUrl);
        httpRequest.headers().set(HttpHeaders.Names.HOST, targetAddress).set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.CLOSE);
        // takes care of splitting the request into multiple parts
        HttpPostRequestEncoder bodyRequestEncoder;
        try {
            // we could use mixed attributes here but we have to ensure that the minimum size is
            // greater than
            // any file as the upload otherwise fails
            DefaultHttpDataFactory httpDataFactory = new DefaultHttpDataFactory(true);
            // the FileUploadHandler explicitly checks for multipart headers
            bodyRequestEncoder = new HttpPostRequestEncoder(httpDataFactory, httpRequest, true);
            Attribute requestAttribute = new MemoryAttribute(FileUploadHandler.HTTP_ATTRIBUTE_REQUEST);
            requestAttribute.setContent(jsonPayload);
            bodyRequestEncoder.addBodyHttpData(requestAttribute);
            int fileIndex = 0;
            for (FileUpload fileUpload : fileUploads) {
                Path path = fileUpload.getFile();
                if (Files.isDirectory(path)) {
                    throw new IllegalArgumentException("Upload of directories is not supported. Dir=" + path);
                }
                File file = path.toFile();
                LOG.trace("Adding file {} to request.", file);
                bodyRequestEncoder.addBodyFileUpload("file_" + fileIndex, file, fileUpload.getContentType(), false);
                fileIndex++;
            }
        } catch (HttpPostRequestEncoder.ErrorDataEncoderException e) {
            throw new IOException("Could not encode request.", e);
        }
        try {
            httpRequest = bodyRequestEncoder.finalizeRequest();
        } catch (HttpPostRequestEncoder.ErrorDataEncoderException e) {
            throw new IOException("Could not finalize request.", e);
        }
        return new MultipartRequest(httpRequest, bodyRequestEncoder);
    }
}

Example 99 with HttpRequest

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

the class RestClient method sendRequest.

public <M extends MessageHeaders<R, P, U>, U extends MessageParameters, R extends RequestBody, P extends ResponseBody> CompletableFuture<P> sendRequest(String targetAddress, int targetPort, M messageHeaders, U messageParameters, R request, Collection<FileUpload> fileUploads, RestAPIVersion apiVersion) throws IOException {
    Preconditions.checkNotNull(targetAddress);
    Preconditions.checkArgument(NetUtils.isValidHostPort(targetPort), "The target port " + targetPort + " is not in the range [0, 65535].");
    Preconditions.checkNotNull(messageHeaders);
    Preconditions.checkNotNull(request);
    Preconditions.checkNotNull(messageParameters);
    Preconditions.checkNotNull(fileUploads);
    Preconditions.checkState(messageParameters.isResolved(), "Message parameters were not resolved.");
    if (!messageHeaders.getSupportedAPIVersions().contains(apiVersion)) {
        throw new IllegalArgumentException(String.format("The requested version %s is not supported by the request (method=%s URL=%s). Supported versions are: %s.", apiVersion, messageHeaders.getHttpMethod(), messageHeaders.getTargetRestEndpointURL(), messageHeaders.getSupportedAPIVersions().stream().map(RestAPIVersion::getURLVersionPrefix).collect(Collectors.joining(","))));
    }
    String versionedHandlerURL = "/" + apiVersion.getURLVersionPrefix() + messageHeaders.getTargetRestEndpointURL();
    String targetUrl = MessageParameters.resolveUrl(versionedHandlerURL, messageParameters);
    LOG.debug("Sending request of class {} to {}:{}{}", request.getClass(), targetAddress, targetPort, targetUrl);
    // serialize payload
    StringWriter sw = new StringWriter();
    objectMapper.writeValue(sw, request);
    ByteBuf payload = Unpooled.wrappedBuffer(sw.toString().getBytes(ConfigConstants.DEFAULT_CHARSET));
    Request httpRequest = createRequest(targetAddress + ':' + targetPort, targetUrl, messageHeaders.getHttpMethod().getNettyHttpMethod(), payload, fileUploads);
    final JavaType responseType;
    final Collection<Class<?>> typeParameters = messageHeaders.getResponseTypeParameters();
    if (typeParameters.isEmpty()) {
        responseType = objectMapper.constructType(messageHeaders.getResponseClass());
    } else {
        responseType = objectMapper.getTypeFactory().constructParametricType(messageHeaders.getResponseClass(), typeParameters.toArray(new Class<?>[typeParameters.size()]));
    }
    return submitRequest(targetAddress, targetPort, httpRequest, responseType);
}

Example 100 with HttpRequest

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

the class RestClient method submitRequest.

private <P extends ResponseBody> CompletableFuture<P> submitRequest(String targetAddress, int targetPort, Request httpRequest, JavaType responseType) {
    final ChannelFuture connectFuture = bootstrap.connect(targetAddress, targetPort);
    final CompletableFuture<Channel> channelFuture = new CompletableFuture<>();
    connectFuture.addListener((ChannelFuture future) -> {
        if (future.isSuccess()) {
            channelFuture.complete(future.channel());
        } else {
            channelFuture.completeExceptionally(future.cause());
        }
    });
    return channelFuture.thenComposeAsync(channel -> {
        ClientHandler handler = channel.pipeline().get(ClientHandler.class);
        CompletableFuture<JsonResponse> future;
        boolean success = false;
        try {
            if (handler == null) {
                throw new IOException("Netty pipeline was not properly initialized.");
            } else {
                httpRequest.writeTo(channel);
                future = handler.getJsonFuture();
                success = true;
            }
        } catch (IOException e) {
            future = FutureUtils.completedExceptionally(new ConnectionException("Could not write request.", e));
        } finally {
            if (!success) {
                channel.close();
            }
        }
        return future;
    }, executor).thenComposeAsync((JsonResponse rawResponse) -> parseResponse(rawResponse, responseType), executor);
}