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org.noear.solon.aot.SolonAotProcessor Maven / Gradle / Ivy
/*
* Copyright 2017-2024 noear.org and authors
*
* Licensed 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 org.noear.solon.aot;
import org.noear.snack.ONode;
import org.noear.snack.core.Feature;
import org.noear.snack.core.Options;
import org.noear.snack.core.utils.StringUtil;
import org.noear.solon.Solon;
import org.noear.solon.Utils;
import org.noear.solon.aot.graalvm.GraalvmUtil;
import org.noear.solon.aot.hint.ResourceHint;
import org.noear.solon.core.AppContext;
import org.noear.solon.core.PluginEntity;
import org.noear.solon.core.runtime.NativeDetector;
import org.noear.solon.core.util.ClassUtil;
import org.noear.solon.core.util.LogUtil;
import org.noear.solon.core.util.ScanUtil;
import java.io.File;
import java.io.FileWriter;
import java.lang.reflect.Method;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
import java.util.TreeSet;
import java.util.function.Predicate;
import java.util.regex.Pattern;
/**
* aot 运行的启动类，用于生成 native 元数据
*
* @author songyinyin
* @since 2023/4/11 14:11
*/
public class SolonAotProcessor {
private final Options jsonOptions = Options.def().add(Feature.PrettyFormat).add(Feature.OrderedField);
private Settings settings;
private String[] applicationArgs;
private Class applicationClass;
public SolonAotProcessor(Settings settings, String[] applicationArgs, Class applicationClass) {
this.settings = settings;
this.applicationArgs = applicationArgs;
this.applicationClass = applicationClass;
}
public static void main(String[] args) throws Exception {
LogUtil.global().info("Aot processor start, args: " + Arrays.toString(args));
int requiredArgs = 6;
if (args.length < requiredArgs) {
throw new IllegalArgumentException("Usage: " + SolonAotProcessor.class.getName()
+ " ");
}
Class application = Class.forName(args[0]);
Settings build = new Settings(Paths.get(args[1]), Paths.get(args[2]), args[3], args[4], args[5]);
String[] applicationArgs = (args.length > requiredArgs) ? Arrays.copyOfRange(args, requiredArgs, args.length)
: new String[0];
new SolonAotProcessor(build, applicationArgs, application).process();
}
public final void process() throws Exception {
try {
System.setProperty(NativeDetector.AOT_PROCESSING, "true");
doProcess();
} finally {
System.clearProperty(NativeDetector.AOT_PROCESSING);
}
}
protected void doProcess() throws Exception {
// aot 执行 solon 应用主类报错时，应将异常抛出去，中断 maven 打包流程
Method mainMethod = applicationClass.getMethod("main", String[].class);
mainMethod.invoke(null, new Object[]{this.applicationArgs});
AppContext context = Solon.context();
RuntimeNativeMetadata metadata = genRuntimeNativeMetadata(context);
addNativeImage(metadata);
// 添加 resource-config.json
addResourceConfig(metadata);
// 添加 reflect-config.json
addReflectConfig(metadata);
// 添加 serialization-config.json
addSerializationConfig(metadata);
// 添加 proxy-config.json
addJdkProxyConfig(metadata);
LogUtil.global().info("Aot processor end.");
// 正常退出
Solon.stopBlock(true, -1, 0);
}
/**
* 生成运行时的元数据
*/
protected RuntimeNativeMetadata genRuntimeNativeMetadata(AppContext context) {
// 获取 AppContextNativeProcessor
AppContextNativeProcessor contextNativeProcessor = context.getBean(AppContextNativeProcessor.class);
if (contextNativeProcessor == null) {
contextNativeProcessor = new AppContextNativeProcessorDefault();
}
RuntimeNativeMetadata metadata = new RuntimeNativeMetadata();
metadata.setApplicationClassName(applicationClass.getCanonicalName());
//处理 bean（生成配置、代理等...）
contextNativeProcessor.process(context, settings, metadata);
List plugs = Solon.cfg().plugs();
for (PluginEntity plug : plugs) {
if (Utils.isNotEmpty(plug.getClassName())) {
//手动注册时，没有字符串类名
metadata.registerDefaultConstructor(plug.getClassName());
}
}
List runtimeNativeRegistrars = context.getBeansOfType(RuntimeNativeRegistrar.class);
for (RuntimeNativeRegistrar runtimeNativeRegistrar : runtimeNativeRegistrars) {
runtimeNativeRegistrar.register(context, metadata);
}
return metadata;
}
private void addSerializationConfig(RuntimeNativeMetadata metadata) {
String serializationJson = metadata.toSerializationJson();
if (Utils.isEmpty(serializationJson)) {
return;
}
try {
FileWriter fileWriter = getFileWriter("serialization-config.json");
fileWriter.write(serializationJson);
fileWriter.close();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private void addJdkProxyConfig(RuntimeNativeMetadata metadata) {
String jdkProxyJson = metadata.toJdkProxyJson();
if (Utils.isEmpty(jdkProxyJson)) {
return;
}
try {
FileWriter fileWriter = getFileWriter("proxy-config.json");
fileWriter.write(jdkProxyJson);
fileWriter.close();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* 添加 native-image.properties
*/
private void addNativeImage(RuntimeNativeMetadata metadata) {
try {
Set args = getDefaultNativeImageArguments(metadata.getApplicationClassName());
args.addAll(metadata.getArgs());
if (!StringUtil.isEmpty(settings.getNativeBuildArgs())) {
args.add(settings.getNativeBuildArgs());
}
StringBuilder sb = new StringBuilder();
sb.append("Args = ");
sb.append(String.join(String.format(" \\%n"), args));
FileWriter fileWriter = getFileWriter("native-image.properties");
fileWriter.write(sb.toString());
fileWriter.close();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* 添加 resource-config.json，同时将扫描到的文件，写入solon-resource.json中，方便 native 模式下，扫描资源
*
* @see GraalvmUtil#scanResource(String, Predicate, Set)
*/
private void addResourceConfig(RuntimeNativeMetadata metadata) {
try {
metadata.registerResourceInclude("app.*\\.yml")
.registerResourceInclude("app.*\\.properties")
.registerResourceInclude("META-INF/.*")
.registerResourceInclude("WEB-INF/.*")
.registerResourceInclude("static/.*")
.registerResourceInclude("templates/.*");
List includes = metadata.getIncludes();
List allResources = new ArrayList<>();
for (ResourceHint include : includes) {
int pathIdx = include.getPattern().indexOf("/");
if (pathIdx > 0) {
String pathDir = include.getPattern().substring(0, pathIdx);
if (pathDir.contains("*") == false) {
Pattern pattern = Pattern.compile(include.getPattern().substring(pathIdx + 1));
Set scanned = ScanUtil.scan(pathDir, path -> pattern.matcher(path).find());
if (!scanned.isEmpty()) {
for (String uri : scanned) {
if (uri.startsWith("META-INF/maven/") == false) {
allResources.add(uri);
}
}
}
}
}
}
FileWriter solonResourceFile = getFileWriter(GraalvmUtil.SOLON_RESOURCE_NAME);
solonResourceFile.write(ONode.load(allResources, jsonOptions).toJson());
solonResourceFile.close();
FileWriter fileWriter = getFileWriter("resource-config.json");
fileWriter.write(metadata.toResourcesJson());
fileWriter.close();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* 添加 reflect-config.json
*/
private void addReflectConfig(RuntimeNativeMetadata metadata) {
try {
addReflectConfigDo(metadata, "org.noear.solon.extend.impl.PropsLoaderExt");
addReflectConfigDo(metadata, "org.noear.solon.extend.impl.PropsConverterExt");
addReflectConfigDo(metadata, "org.noear.solon.extend.impl.AppClassLoaderExt");
addReflectConfigDo(metadata, "org.noear.solon.extend.impl.ReflectionExt");
addReflectConfigDo(metadata, "org.noear.solon.extend.impl.ResourceScannerExt");
addReflectConfigDo(metadata, "org.noear.solon.extend.impl.LogUtilExt");
addReflectConfigDo(metadata, "org.noear.solon.extend.impl.ProxyBinderExt");
FileWriter fileWriter = getFileWriter("reflect-config.json");
fileWriter.write(metadata.toReflectionJson());
fileWriter.close();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private void addReflectConfigDo(RuntimeNativeMetadata metadata, String className) {
if (ClassUtil.loadClass(className) != null) {
metadata.registerDefaultConstructor(className);
}
}
private Set getDefaultNativeImageArguments(String applicationClassName) {
Set args = new TreeSet<>();
args.add("-H:Class=" + applicationClassName);
args.add("--report-unsupported-elements-at-runtime");
args.add("--no-fallback");
args.add("--install-exit-handlers");
return args;
}
private FileWriter getFileWriter(String configName) {
try {
String dir = GraalvmUtil.getNativeImageDir();
String fileName = String.join("/", dir, configName);
File file = new File(settings.getClassOutput() + "/" + fileName);
File parentFile = file.getParentFile();
if (!parentFile.exists()) {
parentFile.mkdirs();
}
boolean newFile = file.createNewFile();
if (newFile) {
LogUtil.global().info("create file: " + file.getAbsolutePath());
}
return new FileWriter(file);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private boolean isEmpty(Object[] objects) {
return objects == null || objects.length == 0;
}
private boolean isNotEmpty(Object[] objects) {
return !isEmpty(objects);
}
}
