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/*
* Copyright (c) 2019, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.oracle.svm.hosted.jdk;
import java.net.InetAddress;
import java.net.SocketAddress;
import java.nio.ByteBuffer;
import java.util.function.Consumer;
import org.graalvm.compiler.serviceprovider.JavaVersionUtil;
import org.graalvm.nativeimage.Platforms;
import org.graalvm.nativeimage.hosted.Feature;
import org.graalvm.nativeimage.hosted.RuntimeReflection;
import org.graalvm.nativeimage.impl.InternalPlatform;
import com.oracle.svm.core.annotate.AutomaticFeature;
import com.oracle.svm.core.jdk.JNIRegistrationUtil;
import com.oracle.svm.core.jni.JNIRuntimeAccess;
/**
* Registration of classes, methods, and fields accessed via JNI by C code of the JDK.
*/
@Platforms({InternalPlatform.PLATFORM_JNI.class})
@AutomaticFeature
public class JNIRegistrationJavaNio extends JNIRegistrationUtil implements Feature {
@Override
public void duringSetup(DuringSetupAccess a) {
rerunClassInit(a, "sun.nio.ch.IOUtil", "sun.nio.ch.ServerSocketChannelImpl", "sun.nio.ch.DatagramChannelImpl", "sun.nio.ch.FileChannelImpl", "sun.nio.ch.FileKey");
rerunClassInit(a, "java.nio.file.Files$FileTypeDetectors");
rerunClassInit(a, "sun.nio.ch.Net", "sun.nio.ch.SocketOptionRegistry$LazyInitialization");
/* Ensure that the interrupt signal handler is initialized at runtime. */
rerunClassInit(a, "sun.nio.ch.NativeThread");
rerunClassInit(a, "sun.nio.ch.FileDispatcherImpl", "sun.nio.ch.FileChannelImpl$Unmapper");
if (isPosix()) {
rerunClassInit(a, "sun.nio.ch.SimpleAsynchronousFileChannelImpl", "sun.nio.ch.SimpleAsynchronousFileChannelImpl$DefaultExecutorHolder",
"sun.nio.ch.SinkChannelImpl", "sun.nio.ch.SourceChannelImpl");
rerunClassInit(a, "sun.nio.fs.UnixNativeDispatcher", "sun.nio.ch.UnixAsynchronousServerSocketChannelImpl");
if (isLinux()) {
rerunClassInit(a, "sun.nio.ch.sctp.SctpChannelImpl");
}
} else if (isWindows()) {
rerunClassInit(a, "sun.nio.ch.WindowsAsynchronousFileChannelImpl", "sun.nio.ch.WindowsAsynchronousFileChannelImpl$DefaultIocpHolder");
rerunClassInit(a, "sun.nio.fs.WindowsNativeDispatcher", "sun.nio.fs.WindowsSecurity", "sun.nio.ch.Iocp",
"sun.nio.ch.WindowsAsynchronousServerSocketChannelImpl", "sun.nio.ch.WindowsAsynchronousSocketChannelImpl");
}
}
@Override
public void beforeAnalysis(BeforeAnalysisAccess a) {
if (isPosix()) {
registerForThrowNew(a, "sun.nio.fs.UnixException");
JNIRuntimeAccess.register(constructor(a, "sun.nio.fs.UnixException", int.class));
} else if (isWindows()) {
registerForThrowNew(a, "sun.nio.fs.WindowsException");
JNIRuntimeAccess.register(constructor(a, "sun.nio.fs.WindowsException", int.class));
}
/* Use the same lambda for registration to ensure it is called only once. */
Consumer registerServerSocketChannelImplInitIDs = JNIRegistrationJavaNio::registerServerSocketChannelImplInitIDs;
if (JavaVersionUtil.JAVA_SPEC <= 11) {
a.registerReachabilityHandler(registerServerSocketChannelImplInitIDs, method(a, "sun.nio.ch.ServerSocketChannelImpl", "initIDs"));
if (isPosix()) {
a.registerReachabilityHandler(registerServerSocketChannelImplInitIDs, method(a, "sun.nio.ch.UnixAsynchronousServerSocketChannelImpl", "initIDs"));
}
}
if (JavaVersionUtil.JAVA_SPEC < 13) {
a.registerReachabilityHandler(JNIRegistrationJavaNio::registerDatagramChannelImplInitIDs, method(a, "sun.nio.ch.DatagramChannelImpl", "initIDs"));
} else {
// JDK-8220738
a.registerReachabilityHandler(JNIRegistrationJavaNio::registerNetInitIDs, method(a, "sun.nio.ch.Net", "initIDs"));
}
a.registerReachabilityHandler(JNIRegistrationJavaNio::registerFileChannelImplInitIDs, method(a, "sun.nio.ch.FileChannelImpl", "initIDs"));
a.registerReachabilityHandler(JNIRegistrationJavaNio::registerFileKeyInitIDs, method(a, "sun.nio.ch.FileKey", "initIDs"));
if (isPosix()) {
a.registerReachabilityHandler(JNIRegistrationJavaNio::registerUnixNativeDispatcherInit, method(a, "sun.nio.fs.UnixNativeDispatcher", "init"));
if (isLinux()) {
a.registerReachabilityHandler(JNIRegistrationJavaNio::registerSctpChannelImplInitIDs, method(a, "sun.nio.ch.sctp.SctpChannelImpl", "initIDs"));
}
} else if (isWindows()) {
a.registerReachabilityHandler(JNIRegistrationJavaNio::registerWindowsNativeDispatcherInitIDs, method(a, "sun.nio.fs.WindowsNativeDispatcher", "initIDs"));
a.registerReachabilityHandler(JNIRegistrationJavaNio::registerIocpInitIDs, method(a, "sun.nio.ch.Iocp", "initIDs"));
}
Consumer registerInitInetAddressIDs = JNIRegistrationJavaNet::registerInitInetAddressIDs;
if (JavaVersionUtil.JAVA_SPEC < 9) {
a.registerReachabilityHandler(registerInitInetAddressIDs, method(a, "sun.nio.ch.IOUtil", "initIDs"));
} else {
a.registerReachabilityHandler(registerInitInetAddressIDs, method(a, "sun.nio.ch.Net", "initIDs"));
}
// In JDK 14, all of the Buffer classes require MemorySegmentProxy which is accessed via
// reflection
if (JavaVersionUtil.JAVA_SPEC >= 14) {
RuntimeReflection.register(clazz(a, "jdk.internal.access.foreign.MemorySegmentProxy"));
}
}
private static void registerServerSocketChannelImplInitIDs(DuringAnalysisAccess a) {
JNIRuntimeAccess.register(clazz(a, "java.net.InetSocketAddress"));
JNIRuntimeAccess.register(constructor(a, "java.net.InetSocketAddress", InetAddress.class, int.class));
}
private static void registerDatagramChannelImplInitIDs(DuringAnalysisAccess a) {
JNIRuntimeAccess.register(clazz(a, "java.net.InetSocketAddress"));
JNIRuntimeAccess.register(constructor(a, "java.net.InetSocketAddress", InetAddress.class, int.class));
JNIRuntimeAccess.register(clazz(a, "sun.nio.ch.DatagramChannelImpl"));
JNIRuntimeAccess.register(fields(a, "sun.nio.ch.DatagramChannelImpl", "sender", "cachedSenderInetAddress", "cachedSenderPort"));
}
private static void registerNetInitIDs(DuringAnalysisAccess a) {
JNIRuntimeAccess.register(clazz(a, "java.net.InetSocketAddress"));
JNIRuntimeAccess.register(constructor(a, "java.net.InetSocketAddress", InetAddress.class, int.class));
}
private static void registerFileChannelImplInitIDs(DuringAnalysisAccess a) {
JNIRuntimeAccess.register(fields(a, "sun.nio.ch.FileChannelImpl", "fd"));
}
private static void registerFileKeyInitIDs(DuringAnalysisAccess a) {
if (isPosix()) {
JNIRuntimeAccess.register(fields(a, "sun.nio.ch.FileKey", "st_dev", "st_ino"));
} else if (isWindows()) {
JNIRuntimeAccess.register(fields(a, "sun.nio.ch.FileKey", "dwVolumeSerialNumber", "nFileIndexHigh", "nFileIndexLow"));
}
}
private static void registerUnixNativeDispatcherInit(DuringAnalysisAccess a) {
JNIRuntimeAccess.register(clazz(a, "sun.nio.fs.UnixFileAttributes"));
JNIRuntimeAccess.register(fields(a, "sun.nio.fs.UnixFileAttributes",
"st_mode", "st_ino", "st_dev", "st_rdev", "st_nlink", "st_uid", "st_gid", "st_size",
"st_atime_sec", "st_atime_nsec", "st_mtime_sec", "st_mtime_nsec", "st_ctime_sec", "st_ctime_nsec"));
if (isDarwin()) {
JNIRuntimeAccess.register(fields(a, "sun.nio.fs.UnixFileAttributes", "st_birthtime_sec"));
}
JNIRuntimeAccess.register(clazz(a, "sun.nio.fs.UnixFileStoreAttributes"));
JNIRuntimeAccess.register(fields(a, "sun.nio.fs.UnixFileStoreAttributes", "f_frsize", "f_blocks", "f_bfree", "f_bavail"));
JNIRuntimeAccess.register(clazz(a, "sun.nio.fs.UnixMountEntry"));
JNIRuntimeAccess.register(fields(a, "sun.nio.fs.UnixMountEntry", "name", "dir", "fstype", "opts", "dev"));
/*
* Registrations shared between all OS-specific subclasses of UnixNativeDispatcher,
* therefore we factor it out here.
*/
JNIRuntimeAccess.register(clazz(a, "sun.nio.fs.UnixMountEntry"));
JNIRuntimeAccess.register(fields(a, "sun.nio.fs.UnixMountEntry", "name", "dir", "fstype", "opts"));
}
private static void registerSctpChannelImplInitIDs(DuringAnalysisAccess a) {
JNIRuntimeAccess.register(clazz(a, "sun.nio.ch.sctp.MessageInfoImpl"));
JNIRuntimeAccess.register(constructor(a, "sun.nio.ch.sctp.MessageInfoImpl", int.class, SocketAddress.class, int.class, int.class, boolean.class, boolean.class, int.class));
JNIRuntimeAccess.register(clazz(a, "sun.nio.ch.sctp.ResultContainer"));
JNIRuntimeAccess.register(fields(a, "sun.nio.ch.sctp.ResultContainer", "value", "type"));
JNIRuntimeAccess.register(clazz(a, "sun.nio.ch.sctp.SendFailed"));
JNIRuntimeAccess.register(constructor(a, "sun.nio.ch.sctp.SendFailed", int.class, SocketAddress.class, ByteBuffer.class, int.class, int.class));
JNIRuntimeAccess.register(clazz(a, "sun.nio.ch.sctp.AssociationChange"));
JNIRuntimeAccess.register(constructor(a, "sun.nio.ch.sctp.AssociationChange", int.class, int.class, int.class, int.class));
JNIRuntimeAccess.register(clazz(a, "sun.nio.ch.sctp.PeerAddrChange"));
JNIRuntimeAccess.register(constructor(a, "sun.nio.ch.sctp.PeerAddrChange", int.class, SocketAddress.class, int.class));
JNIRuntimeAccess.register(clazz(a, "sun.nio.ch.sctp.Shutdown"));
JNIRuntimeAccess.register(constructor(a, "sun.nio.ch.sctp.Shutdown", int.class));
}
private static void registerWindowsNativeDispatcherInitIDs(DuringAnalysisAccess a) {
JNIRuntimeAccess.register(clazz(a, "sun.nio.fs.WindowsNativeDispatcher$FirstFile"));
JNIRuntimeAccess.register(fields(a, "sun.nio.fs.WindowsNativeDispatcher$FirstFile", "handle", "name", "attributes"));
JNIRuntimeAccess.register(clazz(a, "sun.nio.fs.WindowsNativeDispatcher$FirstStream"));
JNIRuntimeAccess.register(fields(a, "sun.nio.fs.WindowsNativeDispatcher$FirstStream", "handle", "name"));
JNIRuntimeAccess.register(clazz(a, "sun.nio.fs.WindowsNativeDispatcher$VolumeInformation"));
JNIRuntimeAccess.register(fields(a, "sun.nio.fs.WindowsNativeDispatcher$VolumeInformation", "fileSystemName", "volumeName", "volumeSerialNumber", "flags"));
JNIRuntimeAccess.register(clazz(a, "sun.nio.fs.WindowsNativeDispatcher$DiskFreeSpace"));
JNIRuntimeAccess.register(fields(a, "sun.nio.fs.WindowsNativeDispatcher$DiskFreeSpace", "freeBytesAvailable", "totalNumberOfBytes", "totalNumberOfFreeBytes"));
if (JavaVersionUtil.JAVA_SPEC >= 10) {
JNIRuntimeAccess.register(fields(a, "sun.nio.fs.WindowsNativeDispatcher$DiskFreeSpace", "bytesPerSector"));
}
JNIRuntimeAccess.register(clazz(a, "sun.nio.fs.WindowsNativeDispatcher$Account"));
JNIRuntimeAccess.register(fields(a, "sun.nio.fs.WindowsNativeDispatcher$Account", "domain", "name", "use"));
JNIRuntimeAccess.register(clazz(a, "sun.nio.fs.WindowsNativeDispatcher$AclInformation"));
JNIRuntimeAccess.register(fields(a, "sun.nio.fs.WindowsNativeDispatcher$AclInformation", "aceCount"));
JNIRuntimeAccess.register(clazz(a, "sun.nio.fs.WindowsNativeDispatcher$CompletionStatus"));
JNIRuntimeAccess.register(fields(a, "sun.nio.fs.WindowsNativeDispatcher$CompletionStatus", "error", "bytesTransferred", "completionKey"));
if (JavaVersionUtil.JAVA_SPEC <= 8) {
JNIRuntimeAccess.register(clazz(a, "sun.nio.fs.WindowsNativeDispatcher$BackupResult"));
JNIRuntimeAccess.register(fields(a, "sun.nio.fs.WindowsNativeDispatcher$BackupResult", "bytesTransferred", "context"));
}
}
private static void registerIocpInitIDs(DuringAnalysisAccess a) {
JNIRuntimeAccess.register(clazz(a, "sun.nio.ch.Iocp$CompletionStatus"));
JNIRuntimeAccess.register(fields(a, "sun.nio.ch.Iocp$CompletionStatus", "error", "bytesTransferred", "completionKey", "overlapped"));
}
}