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Example 1 with EndOfDataDecoderException

use of io.netty.handler.codec.http.multipart.HttpPostRequestDecoder.EndOfDataDecoderException 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) {
                        DiskFileUpload file = (DiskFileUpload) data;
                        if (file.isCompleted()) {
                            String name = file.getFilename();
                            File target = new File(tmpDir, UUID.randomUUID() + "_" + name);
                            file.renameTo(target);
                            QueryStringEncoder encoder = new QueryStringEncoder(currentRequestPath);
                            encoder.addParam("filepath", target.getAbsolutePath());
                            encoder.addParam("filename", name);
                            currentRequest.setUri(encoder.toString());
                        }
                    }
                    data.release();
                }
            } 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);
            }
        }
    } 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);
        }
    }
}
Also used : HttpRequest(io.netty.handler.codec.http.HttpRequest) DefaultFullHttpResponse(io.netty.handler.codec.http.DefaultFullHttpResponse) EndOfDataDecoderException(io.netty.handler.codec.http.multipart.HttpPostRequestDecoder.EndOfDataDecoderException) IOException(java.io.IOException) LastHttpContent(io.netty.handler.codec.http.LastHttpContent) HttpPostRequestDecoder(io.netty.handler.codec.http.multipart.HttpPostRequestDecoder) QueryStringDecoder(io.netty.handler.codec.http.QueryStringDecoder) DiskFileUpload(io.netty.handler.codec.http.multipart.DiskFileUpload) InterfaceHttpData(io.netty.handler.codec.http.multipart.InterfaceHttpData) File(java.io.File) LastHttpContent(io.netty.handler.codec.http.LastHttpContent) HttpContent(io.netty.handler.codec.http.HttpContent) QueryStringEncoder(io.netty.handler.codec.http.QueryStringEncoder)

Example 2 with EndOfDataDecoderException

use of io.netty.handler.codec.http.multipart.HttpPostRequestDecoder.EndOfDataDecoderException in project netty by netty.

the class HttpUploadServerHandler method readHttpDataChunkByChunk.

/**
     * Example of reading request by chunk and getting values from chunk to chunk
     */
private void readHttpDataChunkByChunk() {
    try {
        while (decoder.hasNext()) {
            InterfaceHttpData data = decoder.next();
            if (data != null) {
                // check if current HttpData is a FileUpload and previously set as partial
                if (partialContent == data) {
                    logger.info(" 100% (FinalSize: " + partialContent.length() + ")");
                    partialContent = null;
                }
                try {
                    // new value
                    writeHttpData(data);
                } finally {
                    data.release();
                }
            }
        }
        // Check partial decoding for a FileUpload
        InterfaceHttpData data = decoder.currentPartialHttpData();
        if (data != null) {
            StringBuilder builder = new StringBuilder();
            if (partialContent == null) {
                partialContent = (HttpData) data;
                if (partialContent instanceof FileUpload) {
                    builder.append("Start FileUpload: ").append(((FileUpload) partialContent).getFilename()).append(" ");
                } else {
                    builder.append("Start Attribute: ").append(partialContent.getName()).append(" ");
                }
                builder.append("(DefinedSize: ").append(partialContent.definedLength()).append(")");
            }
            if (partialContent.definedLength() > 0) {
                builder.append(" ").append(partialContent.length() * 100 / partialContent.definedLength()).append("% ");
                logger.info(builder.toString());
            } else {
                builder.append(" ").append(partialContent.length()).append(" ");
                logger.info(builder.toString());
            }
        }
    } catch (EndOfDataDecoderException e1) {
        // end
        responseContent.append("\r\n\r\nEND OF CONTENT CHUNK BY CHUNK\r\n\r\n");
    }
}
Also used : EndOfDataDecoderException(io.netty.handler.codec.http.multipart.HttpPostRequestDecoder.EndOfDataDecoderException) InterfaceHttpData(io.netty.handler.codec.http.multipart.InterfaceHttpData) DiskFileUpload(io.netty.handler.codec.http.multipart.DiskFileUpload) FileUpload(io.netty.handler.codec.http.multipart.FileUpload)

Aggregations

DiskFileUpload (io.netty.handler.codec.http.multipart.DiskFileUpload)2 EndOfDataDecoderException (io.netty.handler.codec.http.multipart.HttpPostRequestDecoder.EndOfDataDecoderException)2 InterfaceHttpData (io.netty.handler.codec.http.multipart.InterfaceHttpData)2 DefaultFullHttpResponse (io.netty.handler.codec.http.DefaultFullHttpResponse)1 HttpContent (io.netty.handler.codec.http.HttpContent)1 HttpRequest (io.netty.handler.codec.http.HttpRequest)1 LastHttpContent (io.netty.handler.codec.http.LastHttpContent)1 QueryStringDecoder (io.netty.handler.codec.http.QueryStringDecoder)1 QueryStringEncoder (io.netty.handler.codec.http.QueryStringEncoder)1 FileUpload (io.netty.handler.codec.http.multipart.FileUpload)1 HttpPostRequestDecoder (io.netty.handler.codec.http.multipart.HttpPostRequestDecoder)1 File (java.io.File)1 IOException (java.io.IOException)1