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

Example 21 with DefaultHttpResponse

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

the class WebSocketExtensionTestUtil method newUpgradeResponse.

public static HttpResponse newUpgradeResponse(String ext) {
    HttpResponse res = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.SWITCHING_PROTOCOLS);
    res.headers().set(HttpHeaderNames.HOST, "server.example.com");
    res.headers().set(HttpHeaderNames.UPGRADE, HttpHeaderValues.WEBSOCKET.toString().toLowerCase());
    res.headers().set(HttpHeaderNames.CONNECTION, "Upgrade");
    res.headers().set(HttpHeaderNames.ORIGIN, "http://example.com");
    if (ext != null) {
        res.headers().set(HttpHeaderNames.SEC_WEBSOCKET_EXTENSIONS, ext);
    }
    return res;
}

Example 22 with DefaultHttpResponse

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

the class SimpleHttpProxyHandler method channelRead0.

@Override
public void channelRead0(final ChannelHandlerContext ctx, final HttpRequest req) {
    uri = req.getUri();
    final Channel client = ctx.channel();
    Bootstrap proxiedServer = new Bootstrap().group(client.eventLoop()).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {

        @Override
        protected void initChannel(SocketChannel ch) throws Exception {
            ChannelPipeline p = ch.pipeline();
            p.addLast(new HttpRequestEncoder(), new Forwarder(uri, client));
        }
    });
    ChannelFuture f = proxiedServer.connect(host);
    proxiedChannel = f.channel();
    f.addListener(new ChannelFutureListener() {

        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                ctx.channel().pipeline().remove(HttpResponseEncoder.class);
                HttpRequest newReq = new DefaultFullHttpRequest(HTTP_1_1, req.getMethod(), req.getUri());
                newReq.headers().add(req.headers());
                newReq.headers().set(CONNECTION, Values.CLOSE);
                future.channel().writeAndFlush(newReq);
            } else {
                DefaultHttpResponse resp = new DefaultHttpResponse(HTTP_1_1, INTERNAL_SERVER_ERROR);
                resp.headers().set(CONNECTION, Values.CLOSE);
                LOG.info("Proxy " + uri + " failed. Cause: ", future.cause());
                ctx.writeAndFlush(resp).addListener(ChannelFutureListener.CLOSE);
                client.close();
            }
        }
    });
}

Example 23 with DefaultHttpResponse

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

the class WebHdfsHandler method onOpen.

private void onOpen(ChannelHandlerContext ctx) throws IOException {
    final String nnId = params.namenodeId();
    final int bufferSize = params.bufferSize();
    final long offset = params.offset();
    final long length = params.length();
    resp = new DefaultHttpResponse(HTTP_1_1, OK);
    HttpHeaders headers = resp.headers();
    // Allow the UI to access the file
    headers.set(ACCESS_CONTROL_ALLOW_METHODS, GET);
    headers.set(ACCESS_CONTROL_ALLOW_ORIGIN, "*");
    headers.set(CONTENT_TYPE, APPLICATION_OCTET_STREAM);
    headers.set(CONNECTION, CLOSE);
    final DFSClient dfsclient = newDfsClient(nnId, conf);
    HdfsDataInputStream in = dfsclient.createWrappedInputStream(dfsclient.open(path, bufferSize, true));
    in.seek(offset);
    long contentLength = in.getVisibleLength() - offset;
    if (length >= 0) {
        contentLength = Math.min(contentLength, length);
    }
    final InputStream data;
    if (contentLength >= 0) {
        headers.set(CONTENT_LENGTH, contentLength);
        data = new LimitInputStream(in, contentLength);
    } else {
        data = in;
    }
    ctx.write(resp);
    ctx.writeAndFlush(new ChunkedStream(data) {

        @Override
        public void close() throws Exception {
            super.close();
            dfsclient.close();
        }
    }).addListener(ChannelFutureListener.CLOSE);
}

Example 24 with DefaultHttpResponse

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

the class WebHdfsHandler method allowCORSOnCreate.

//Accept preflighted CORS requests
private void allowCORSOnCreate(ChannelHandlerContext ctx) throws IOException, URISyntaxException {
    resp = new DefaultHttpResponse(HTTP_1_1, OK);
    HttpHeaders headers = resp.headers();
    headers.set(ACCESS_CONTROL_ALLOW_ORIGIN, "*");
    headers.set(ACCESS_CONTROL_ALLOW_HEADERS, ACCEPT);
    headers.set(ACCESS_CONTROL_ALLOW_METHODS, PUT);
    headers.set(ACCESS_CONTROL_MAX_AGE, 1728000);
    headers.set(CONTENT_LENGTH, 0);
    headers.set(CONNECTION, KEEP_ALIVE);
    ctx.writeAndFlush(resp).addListener(ChannelFutureListener.CLOSE);
}

Example 25 with DefaultHttpResponse

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

the class WebHdfsHandler method writeContinueHeader.

private static void writeContinueHeader(ChannelHandlerContext ctx) {
    DefaultHttpResponse r = new DefaultFullHttpResponse(HTTP_1_1, CONTINUE, Unpooled.EMPTY_BUFFER);
    ctx.writeAndFlush(r);
}