QuicCodecDispatcherTest.java — netty Source File

Source Code

/*
 * Copyright 2024 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.handler.codec.quic;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.Channel;
import io.netty.channel.embedded.EmbeddedChannel;
import io.netty.channel.socket.DatagramPacket;
import io.netty.util.NetUtil;
import org.junit.jupiter.api.Test;

import java.net.InetSocketAddress;
import java.util.concurrent.ThreadLocalRandom;
import java.util.concurrent.atomic.AtomicInteger;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;

public class QuicCodecDispatcherTest {

    @Test
    public void testPacketsAreDispatchedToCorrectChannel() throws QuicException {
        short localConnectionIdLength = 16;

        AtomicInteger initChannelCalled = new AtomicInteger();
        QuicCodecDispatcher dispatcher = new QuicCodecDispatcher(localConnectionIdLength) {
            @Override
            protected void initChannel(Channel channel, int localConnectionIdLength,
                                       QuicConnectionIdGenerator idGenerator) {
                initChannelCalled.incrementAndGet();
            }
        };

        EmbeddedChannel[] channels = new EmbeddedChannel[8];
        for (int i = 0; i < channels.length; i++) {
            channels[i] = new EmbeddedChannel(dispatcher);
        }

        int numPackets = 0;
        for (int i = 0; i < 100; i++) {
            writePacket(channels, false, localConnectionIdLength);
            numPackets++;
            writePacket(channels, true, localConnectionIdLength);
            numPackets++;
// ... (62 more lines)