Quiche.java — netty Source File

Source Code

/*
 * Copyright 2020 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.util.collection.IntObjectHashMap;
import io.netty.util.internal.ClassInitializerUtil;
import io.netty.util.internal.NativeLibraryLoader;
import io.netty.util.internal.PlatformDependent;
import io.netty.util.internal.logging.InternalLogger;
import io.netty.util.internal.logging.InternalLoggerFactory;
import org.jetbrains.annotations.Nullable;

import javax.net.ssl.SSLException;
import javax.net.ssl.SSLHandshakeException;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;

import static io.netty.handler.codec.quic.QuicheError.STREAM_RESET;

final class Quiche {
    private static final InternalLogger logger = InternalLoggerFactory.getInstance(Quiche.class);
    private static final boolean TRACE_LOGGING_ENABLED = logger.isTraceEnabled();
    private static final IntObjectHashMap<QuicTransportErrorHolder> ERROR_MAPPINGS = new IntObjectHashMap<>();

    static {
        // Preload all classes that will be used in the OnLoad(...) function of JNI to eliminate the possibility of a
        // class-loader deadlock. This is a workaround for https://github.com/netty/netty/issues/11209.

        // This needs to match all the classes that are loaded via NETTY_JNI_UTIL_LOAD_CLASS or looked up via
        // NETTY_JNI_UTIL_FIND_CLASS.
        ClassInitializerUtil.tryLoadClasses(Quiche.class,
                // netty_quic_boringssl
                byte[].class, String.class, BoringSSLCertificateCallback.class,
                BoringSSLCertificateVerifyCallback.class, BoringSSLHandshakeCompleteCallback.class,

                //netty_quic_quiche
                QuicheLogger.class
        );

        try {
            // First, try calling a side-effect free JNI method to see if the library was already
            // loaded by the application.
            quiche_version();
        } catch (UnsatisfiedLinkError ignore) {
            // The library was not previously loaded, load it now.
// ... (888 more lines)