Example usage for io.netty.handler.codec.http HttpRequestDecoder HttpRequestDecoder

Introduction

In this page you can find the example usage for io.netty.handler.codec.http HttpRequestDecoder HttpRequestDecoder.

Prototype

public HttpRequestDecoder(int maxInitialLineLength, int maxHeaderSize, int maxChunkSize,
            boolean validateHeaders, int initialBufferSize) 

Source Link

Usage

From source file:io.vertx.benchmarks.HttpServerHandlerBenchmark.java

License:Open Source License

@Setup
public void setup() {
    vertx = (VertxInternal) Vertx.vertx();
    HttpServerOptions options = new HttpServerOptions();
    vertxChannel = new EmbeddedChannel(
            new HttpRequestDecoder(options.getMaxInitialLineLength(), options.getMaxHeaderSize(),
                    options.getMaxChunkSize(), false, options.getDecoderInitialBufferSize()),
            new HttpResponseEncoder());
    vertxChannel.config().setAllocator(new Alloc());

    ContextInternal context = new EventLoopContext(vertx, vertxChannel.eventLoop(), null, null, null,
            new JsonObject(), Thread.currentThread().getContextClassLoader());
    Handler<HttpServerRequest> app = request -> {
        HttpServerResponse response = request.response();
        MultiMap headers = response.headers();
        headers.add(HEADER_CONTENT_TYPE, RESPONSE_TYPE_PLAIN).add(HEADER_SERVER, SERVER)
                .add(HEADER_DATE, DATE_STRING).add(HEADER_CONTENT_LENGTH, HELLO_WORLD_LENGTH);
        response.end(HELLO_WORLD_BUFFER);
    };/*from   w w  w .j  a  va2 s . c  o  m*/
    HandlerHolder<HttpHandlers> holder = new HandlerHolder<>(context, new HttpHandlers(app, null, null, null));
    Http1xServerHandler handler = new Http1xServerHandler(null, new HttpServerOptions(), "localhost", holder,
            null);
    vertxChannel.pipeline().addLast("handler", handler);

    nettyChannel = new EmbeddedChannel(
            new HttpRequestDecoder(options.getMaxInitialLineLength(), options.getMaxHeaderSize(),
                    options.getMaxChunkSize(), false, options.getDecoderInitialBufferSize()),
            new HttpResponseEncoder(), new SimpleChannelInboundHandler<HttpRequest>() {

                private final byte[] STATIC_PLAINTEXT = "Hello, World!".getBytes(CharsetUtil.UTF_8);
                private final int STATIC_PLAINTEXT_LEN = STATIC_PLAINTEXT.length;
                private final ByteBuf PLAINTEXT_CONTENT_BUFFER = Unpooled
                        .unreleasableBuffer(Unpooled.directBuffer().writeBytes(STATIC_PLAINTEXT));
                private final CharSequence PLAINTEXT_CLHEADER_VALUE = new AsciiString(
                        String.valueOf(STATIC_PLAINTEXT_LEN));

                private final CharSequence TYPE_PLAIN = new AsciiString("text/plain");
                private final CharSequence SERVER_NAME = new AsciiString("Netty");
                private final CharSequence CONTENT_TYPE_ENTITY = HttpHeaderNames.CONTENT_TYPE;
                private final CharSequence DATE_ENTITY = HttpHeaderNames.DATE;
                private final CharSequence CONTENT_LENGTH_ENTITY = HttpHeaderNames.CONTENT_LENGTH;
                private final CharSequence SERVER_ENTITY = HttpHeaderNames.SERVER;

                private final DateFormat FORMAT = new SimpleDateFormat("E, dd MMM yyyy HH:mm:ss z");
                private final CharSequence date = new AsciiString(FORMAT.format(new Date()));

                @Override
                protected void channelRead0(ChannelHandlerContext ctx, HttpRequest msg) throws Exception {
                    writeResponse(ctx, msg, PLAINTEXT_CONTENT_BUFFER.duplicate(), TYPE_PLAIN,
                            PLAINTEXT_CLHEADER_VALUE);
                }

                @Override
                public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
                    ctx.flush();
                }

                private void writeResponse(ChannelHandlerContext ctx, HttpRequest request, ByteBuf buf,
                        CharSequence contentType, CharSequence contentLength) {

                    // Build the response object.
                    FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1,
                            HttpResponseStatus.OK, buf, false);
                    HttpHeaders headers = response.headers();
                    headers.set(CONTENT_TYPE_ENTITY, contentType);
                    headers.set(SERVER_ENTITY, SERVER_NAME);
                    headers.set(DATE_ENTITY, date);
                    headers.set(CONTENT_LENGTH_ENTITY, contentLength);

                    // Close the non-keep-alive connection after the write operation is done.
                    ctx.write(response, ctx.voidPromise());
                }
            });
    nettyChannel.config().setAllocator(new Alloc());

    GET = Unpooled.unreleasableBuffer(Unpooled.copiedBuffer(("GET / HTTP/1.1\r\n" + "\r\n").getBytes()));
    readerIndex = GET.readerIndex();
    writeIndex = GET.writerIndex();
}

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