Http3HelloWorldServerHandler.java — netty Source File

Source Code

/*
 * Copyright 2025 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package io.netty.testsuite_jpms.main;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.http3.DefaultHttp3DataFrame;
import io.netty.handler.codec.http3.DefaultHttp3HeadersFrame;
import io.netty.handler.codec.http3.Http3DataFrame;
import io.netty.handler.codec.http3.Http3HeadersFrame;
import io.netty.handler.codec.http3.Http3RequestStreamInboundHandler;
import io.netty.handler.codec.quic.QuicStreamChannel;
import io.netty.util.ReferenceCountUtil;

import java.nio.charset.StandardCharsets;

public class Http3HelloWorldServerHandler extends Http3RequestStreamInboundHandler {

    @Override
    protected void channelRead(ChannelHandlerContext ctx, Http3HeadersFrame frame) {
        ReferenceCountUtil.release(frame);
    }

    @Override
    protected void channelRead(ChannelHandlerContext ctx, Http3DataFrame frame) {
        ReferenceCountUtil.release(frame);
    }

    @Override
    protected void channelInputClosed(ChannelHandlerContext ctx) {

        String hello = HttpHelloWorldServer.content(ctx);
        ByteBuf data = Unpooled.copiedBuffer(hello, StandardCharsets.UTF_8);

        Http3HeadersFrame headersFrame = new DefaultHttp3HeadersFrame();
        headersFrame.headers().status("200");
        headersFrame.headers().add("server", "netty");
        headersFrame.headers().addInt("content-length", data.readableBytes());
        ctx.write(headersFrame);
        ctx.writeAndFlush(new DefaultHttp3DataFrame(data))
                .addListener(QuicStreamChannel.SHUTDOWN_OUTPUT);
    }
}