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

Example 76 with DefaultFullHttpResponse

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

the class FSImageHandler method channelRead0.

@Override
public void channelRead0(ChannelHandlerContext ctx, HttpRequest request) throws Exception {
    if (request.getMethod() != HttpMethod.GET) {
        DefaultHttpResponse resp = new DefaultHttpResponse(HTTP_1_1, METHOD_NOT_ALLOWED);
        resp.headers().set(CONNECTION, CLOSE);
        ctx.write(resp).addListener(ChannelFutureListener.CLOSE);
        return;
    }
    QueryStringDecoder decoder = new QueryStringDecoder(request.getUri());
    final String op = getOp(decoder);
    final String content;
    String path = getPath(decoder);
    switch(op) {
        case "GETFILESTATUS":
            content = image.getFileStatus(path);
            break;
        case "LISTSTATUS":
            content = image.listStatus(path);
            break;
        case "GETACLSTATUS":
            content = image.getAclStatus(path);
            break;
        case "GETXATTRS":
            List<String> names = getXattrNames(decoder);
            String encoder = getEncoder(decoder);
            content = image.getXAttrs(path, names, encoder);
            break;
        case "LISTXATTRS":
            content = image.listXAttrs(path);
            break;
        case "GETCONTENTSUMMARY":
            content = image.getContentSummary(path);
            break;
        default:
            throw new IllegalArgumentException("Invalid value for webhdfs parameter" + " \"op\"");
    }
    LOG.info("op=" + op + " target=" + path);
    DefaultFullHttpResponse resp = new DefaultFullHttpResponse(HTTP_1_1, HttpResponseStatus.OK, Unpooled.wrappedBuffer(content.getBytes(Charsets.UTF_8)));
    resp.headers().set(CONTENT_TYPE, APPLICATION_JSON_UTF8);
    resp.headers().set(CONTENT_LENGTH, resp.content().readableBytes());
    resp.headers().set(CONNECTION, CLOSE);
    ctx.write(resp).addListener(ChannelFutureListener.CLOSE);
}

Example 77 with DefaultFullHttpResponse

use of io.netty.handler.codec.http.DefaultFullHttpResponse in project cloudstack by apache.

the class HttpUploadServerHandler method writeResponse.

private void writeResponse(Channel channel, HttpResponseStatus statusCode) {
    // Convert the response content to a ChannelBuffer.
    ByteBuf buf = copiedBuffer(responseContent.toString(), CharsetUtil.UTF_8);
    responseContent.setLength(0);
    // Decide whether to close the connection or not.
    boolean close = HttpHeaders.Values.CLOSE.equalsIgnoreCase(request.headers().get(CONNECTION)) || request.getProtocolVersion().equals(HttpVersion.HTTP_1_0) && !HttpHeaders.Values.KEEP_ALIVE.equalsIgnoreCase(request.headers().get(CONNECTION));
    // Build the response object.
    FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, statusCode, buf);
    response.headers().set(CONTENT_TYPE, "text/plain; charset=UTF-8");
    if (!close) {
        // There's no need to add 'Content-Length' header if this is the last response.
        response.headers().set(CONTENT_LENGTH, buf.readableBytes());
    }
    // Write the response.
    ChannelFuture future = channel.writeAndFlush(response);
    // Close the connection after the write operation is done if necessary.
    if (close) {
        future.addListener(ChannelFutureListener.CLOSE);
    }
}

Example 78 with DefaultFullHttpResponse

use of io.netty.handler.codec.http.DefaultFullHttpResponse in project tesla by linking12.

the class ProxyUtils method createFullHttpResponse.

public static FullHttpResponse createFullHttpResponse(HttpVersion httpVersion, HttpResponseStatus status, String contentType, ByteBuf body, int contentLength) {
    DefaultFullHttpResponse response;
    if (body != null) {
        response = new DefaultFullHttpResponse(httpVersion, status, body);
        response.headers().set(HttpHeaderNames.CONTENT_LENGTH, contentLength);
        response.headers().set(HttpHeaderNames.CONTENT_TYPE, contentType);
    } else {
        response = new DefaultFullHttpResponse(httpVersion, status);
    }
    return response;
}

Example 79 with DefaultFullHttpResponse

use of io.netty.handler.codec.http.DefaultFullHttpResponse in project tesla by linking12.

the class DubboTransformHttpRequestFilter method doFilter.

@Override
public HttpResponse doFilter(HttpRequest originalRequest, HttpObject httpObject, ChannelHandlerContext channelHandlerContext) {
    if (originalRequest instanceof FullHttpRequest && dubboClient != null) {
        FullHttpRequest request = (FullHttpRequest) originalRequest;
        String urlPath = request.uri();
        FilterRpcDO rpc = routeRuleCache.getRpc(urlPath);
        if (rpc != null) {
            ByteBuf jsonBuf = request.content();
            String jsonInput = jsonBuf.toString(CharsetUtil.UTF_8);
            String jsonOutput = dubboClient.doRemoteCall(rpc, jsonInput);
            return new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK, Unpooled.wrappedBuffer(jsonOutput.getBytes(CharsetUtil.UTF_8)));
        } else {
            // 如果从缓存没有查到dubbo的映射信息，说明不是泛化调用，返回空，继续走下一个filter或者去走rest服务发现等
            return null;
        }
    }
    return null;
}

Example 80 with DefaultFullHttpResponse

use of io.netty.handler.codec.http.DefaultFullHttpResponse in project tesla by linking12.

the class GrpcTransformHttpRequestFilter method doFilter.

@Override
public HttpResponse doFilter(HttpRequest originalRequest, HttpObject httpObject, ChannelHandlerContext channelHandlerContext) {
    if (originalRequest instanceof FullHttpRequest && grpcClient != null) {
        FullHttpRequest request = (FullHttpRequest) originalRequest;
        String urlPath = request.uri();
        FilterRpcDO rpc = routeRuleCache.getRpc(urlPath);
        if (rpc != null) {
            ByteBuf jsonBuf = request.content();
            String jsonInput = jsonBuf.toString(CharsetUtil.UTF_8);
            String jsonOutput = grpcClient.doRemoteCall(rpc, jsonInput);
            return new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK, Unpooled.wrappedBuffer(jsonOutput.getBytes(CharsetUtil.UTF_8)));
        } else {
            // 如果从缓存没有查到grpc的映射信息，说明不是泛化调用，返回空，继续走下一个filter或者去走rest服务发现等
            return null;
        }
    }
    return null;
}