From c12dae87f1dba43ccc2c5966a134ddf88b5eb102 Mon Sep 17 00:00:00 2001
From: dengzedong <dengzedong@email>
Date: 星期四, 10 十月 2024 14:03:56 +0800
Subject: [PATCH] 打包历史发布功能,动态替换dll和jar 项目启动加载已发布的dll和jar

---
 iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/common/utils/DllUtils.java              |  109 +++++++++++++++++++++++---
 iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/ModelServiceApplication.java                             |   23 +++++
 iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/common/MdkConstant.java                 |    8 ++
 iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/service/impl/MpkFileServiceImpl.java    |   76 ++++++++++++++++++
 iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/service/MpkFileService.java             |    3 
 iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/controller/admin/MpkFileController.java |    7 +
 iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/controller/admin/MdkController.java     |    4 
 7 files changed, 207 insertions(+), 23 deletions(-)

diff --git a/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/ModelServiceApplication.java b/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/ModelServiceApplication.java
index 4cb632e..c649998 100644
--- a/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/ModelServiceApplication.java
+++ b/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/ModelServiceApplication.java
@@ -1,27 +1,37 @@
 package com.iailab;
 
+import com.iailab.module.model.mpk.common.MdkConstant;
+import com.iailab.module.model.mpk.common.utils.DllUtils;
 import iail.mdk.model.common.Environment;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.scheduling.annotation.EnableAsync;
 
+import javax.annotation.PostConstruct;
 import java.io.File;
 import java.io.InputStream;
 import java.util.Properties;
 
 @EnableAsync
 @SpringBootApplication
+@Slf4j
 public class ModelServiceApplication implements CommandLineRunner {
 
-    static {
+    @Value("${mpk.bak-file-path}")
+    private String mpkBakFilePath;
+
+    @PostConstruct
+    void init() {
         //加载动态链接库
         try {
             Properties properties = new Properties();
             InputStream in = ModelServiceApplication.class.getClassLoader().getResourceAsStream("iailmdk.properties");
             properties.load(in);
             String mdkInitPath = properties.getProperty("mdk-init-path");
-            System.out.println("mdkInitPath=" + mdkInitPath);
+            log.info("mdkInitPath=" + mdkInitPath);
             File file = new File(mdkInitPath + File.separator + "IAIL.MDK.Mid.Windows.dll");
             if (!file.exists()) {
                 throw new RuntimeException("动态链接库IAIL.MDK.Mid.Windows.dll文件不存在," + file.getAbsolutePath());
@@ -31,9 +41,16 @@
             env.init();
         } catch (Exception e) {
             e.printStackTrace();
-            System.out.println("动态链接库IAIL.MDK.Mid.Windows.dll初始化失败");
+            log.error("动态链接库IAIL.MDK.Mid.Windows.dll初始化失败");
         }
 
+        //加载项目已发布的dll和jar
+        try {
+            DllUtils.loadProjectPublish(mpkBakFilePath + File.separator + MdkConstant.PROJECT_PUBLISH);
+        } catch (Exception e) {
+            e.printStackTrace();
+            log.error("加载项目已发布的dll和jar失败");
+        }
     }
 
 
diff --git a/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/common/MdkConstant.java b/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/common/MdkConstant.java
index 37c39da..b3be1da 100644
--- a/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/common/MdkConstant.java
+++ b/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/common/MdkConstant.java
@@ -34,4 +34,12 @@
      * jar
      */
     String JAR = "jar";
+    /**
+     * 分隔符 dll、jar文件名
+     */
+    String SPLIT = "__";
+    /**
+     * 项目发布dll和jar目录
+     */
+    String PROJECT_PUBLISH = "projectPublish";
 }
\ No newline at end of file
diff --git a/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/common/utils/DllUtils.java b/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/common/utils/DllUtils.java
index d4831ad..94b3964 100644
--- a/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/common/utils/DllUtils.java
+++ b/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/common/utils/DllUtils.java
@@ -1,19 +1,22 @@
 package com.iailab.module.model.mpk.common.utils;
 
+import com.iailab.module.model.mpk.common.MdkConstant;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
-import sun.misc.URLClassPath;
 
 import java.io.File;
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
 import java.net.URL;
 import java.net.URLClassLoader;
+import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Vector;
 
 @Slf4j
 public class DllUtils {
+
+    private static HashMap<String, URLClassLoader> classLoaderCache = new HashMap<>();
 
     /**
      * @description: 加载dll到指定class下
@@ -22,14 +25,14 @@
      **/
     public static void loadDll(Class<?> clazz, String dllPath) {
         try {
-            Method method = Runtime.class.getDeclaredMethod("load0", Class.class,String.class);
+            Method method = Runtime.class.getDeclaredMethod("load0", Class.class, String.class);
             boolean accessible = method.isAccessible();
             method.setAccessible(true);
-            method.invoke(Runtime.getRuntime(), clazz,dllPath);
+            method.invoke(Runtime.getRuntime(), clazz, dllPath);
             method.setAccessible(accessible);
-            log.info("成功加载dll:"+ dllPath);
+            log.info("成功加载dll:" + dllPath);
         } catch (Exception e) {
-            throw new RuntimeException("加载dll异常",e);
+            throw new RuntimeException("加载dll异常", e);
         }
     }
 
@@ -38,7 +41,7 @@
      * @author: dzd
      * @date: 2024/9/30 14:31
      **/
-    public static synchronized void uploadDll(URLClassLoader classLoader) {
+    public static synchronized void unloadDll(URLClassLoader classLoader) {
         try {
             Field field = ClassLoader.class.getDeclaredField("nativeLibraries");
             field.setAccessible(true);
@@ -60,7 +63,7 @@
                 log.info("成功卸载dll:" + name);
             }
         } catch (Exception e) {
-            throw new RuntimeException("卸载dll异常",e);
+            throw new RuntimeException("卸载dll异常", e);
         }
     }
 
@@ -69,7 +72,7 @@
      * @author: dzd
      * @date: 2024/9/30 14:52
      **/
-    public static synchronized void uploadDllName(URLClassLoader classLoader,String dllName) {
+    public static synchronized void unloadDllName(URLClassLoader classLoader, String dllName) {
         try {
             Field field = ClassLoader.class.getDeclaredField("nativeLibraries");
             field.setAccessible(true);
@@ -93,7 +96,7 @@
                 log.info("成功卸载dll:" + name);
             }
         } catch (Exception e) {
-            throw new RuntimeException("卸载dll异常",e);
+            throw new RuntimeException("卸载dll异常", e);
         }
     }
 
@@ -105,24 +108,100 @@
     public static synchronized URLClassLoader loadJar(String jarPath) {
         File jarFile = new File(jarPath);
         if (!jarFile.exists()) {
-            throw new RuntimeException("jar沒有找到!");
+            throw new RuntimeException("jar沒有找到!"+jarPath);
         } else {
             try {
-                URLClassLoader urlClassLoader = new URLClassLoader(new URL[]{jarFile.toURI().toURL()});
-                log.info("成功加载jar包:"+ jarFile.getAbsolutePath());
+                // 设置classloader的patent为null,限制使用双亲委派,防止其他classloader找到class,导致dll加载到其他classloader
+                URLClassLoader urlClassLoader = new URLClassLoader(new URL[]{jarFile.toURI().toURL()},null,null);
+                log.info("成功加载jar包:" + jarFile.getAbsolutePath());
                 return urlClassLoader;
             } catch (Exception e) {
-                throw new RuntimeException("加载jar异常",e);
+                throw new RuntimeException("加载jar异常", e);
             }
         }
     }
 
-    public static synchronized void uploadJar(URLClassLoader urlClassLoader) {
+    public static synchronized void unloadJar(URLClassLoader urlClassLoader) {
         try {
             urlClassLoader.close();
             log.info("成功卸载jar包。");
         } catch (Exception e) {
-            throw new RuntimeException("卸载jar异常",e);
+            throw new RuntimeException("卸载jar异常", e);
         }
     }
+
+    public static synchronized void addClassLoaderCache(String projectId, URLClassLoader urlClassLoader) {
+        classLoaderCache.put(projectId, urlClassLoader);
+    }
+
+    public static synchronized URLClassLoader getClassLoader(String projectId) {
+        return classLoaderCache.get(projectId);
+    }
+
+    public static synchronized void removeClassLoaderCache(String projectId) {
+        if (classLoaderCache.containsKey(projectId)) {
+            URLClassLoader urlClassLoader = classLoaderCache.get(projectId);
+            unloadDll(urlClassLoader);
+            unloadJar(urlClassLoader);
+            classLoaderCache.remove(projectId);
+        }
+    }
+
+    public static void removeOldFile(String bakPath,String projectId) {
+        File dir = new File(bakPath);
+        if (dir.exists() && dir.isDirectory()) {
+            File[] files = dir.listFiles();
+            if (null != files && files.length > 0) {
+                for (File file : files) {
+                    if (file.getName().startsWith(projectId)) {
+                        file.delete();
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * @description: 项目启动加载已发布的dll和jar
+     * @author: dzd
+     * @date: 2024/10/10 11:58
+     **/
+    public static void loadProjectPublish(String bakPath) {
+        File dir = new File(bakPath);
+        if (dir.exists() && dir.isDirectory()) {
+            File[] files = dir.listFiles();
+            if (null != files && files.length > 0) {
+                for (File file : files) {
+                    String fileName = file.getName();
+                    if (fileName.endsWith(".jar")) {
+                        String[] split = fileName.substring(0,fileName.length() - 4).split(MdkConstant.SPLIT);
+                        String projectId = split[0];
+                        String historyId = split[1];
+
+                        String jarFilePath = bakPath + File.separator + projectId + MdkConstant.SPLIT + historyId + ".jar";
+                        String dllFilePath = bakPath + File.separator + projectId + MdkConstant.SPLIT + historyId + ".dll";
+
+                        URLClassLoader urlClassLoader = null;
+                        try {
+                            // 加载新的jar
+                            urlClassLoader = DllUtils.loadJar(jarFilePath);
+                        } catch (Exception e) {
+                            throw new RuntimeException("加载jar异常",e);
+                        }
+
+                        try {
+                            // 加载新的dll
+                            DllUtils.loadDll(urlClassLoader.loadClass("iail.mdk.model.common.Environment"),dllFilePath);
+                        } catch (Exception e) {
+                            DllUtils.unloadJar(urlClassLoader);
+                            throw new RuntimeException("加载dll异常",e);
+                        }
+                        // 都加载成功后加入缓存
+                        DllUtils.addClassLoaderCache(projectId,urlClassLoader);
+                    }
+                }
+            }
+        }
+
+    }
 }
diff --git a/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/controller/admin/MdkController.java b/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/controller/admin/MdkController.java
index 6141714..81ae60c 100644
--- a/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/controller/admin/MdkController.java
+++ b/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/controller/admin/MdkController.java
@@ -104,8 +104,8 @@
             return error(GlobalErrorCodeConstants.INTERNAL_SERVER_ERROR.getCode(),"运行异常");
         } finally {
             if (classLoader != null) {
-                DllUtils.uploadDll(classLoader);
-                DllUtils.uploadJar(classLoader);
+                DllUtils.unloadDll(classLoader);
+                DllUtils.unloadJar(classLoader);
             }
             System.gc();
         }
diff --git a/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/controller/admin/MpkFileController.java b/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/controller/admin/MpkFileController.java
index f7c2e75..8f8ebed 100644
--- a/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/controller/admin/MpkFileController.java
+++ b/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/controller/admin/MpkFileController.java
@@ -125,8 +125,13 @@
 
     @PostMapping("/upload")
     @Operation(summary = "python文件上传")
-    public CommonResult<Map<String,String>> importExcel(@RequestParam("file") MultipartFile file) throws Exception {
+    public CommonResult<Map<String,String>> upload(@RequestParam("file") MultipartFile file) throws Exception {
         Map<String,String> result = mpkFileService.savePyFile(file);
         return success(result);
     }
+
+    @PostMapping("/publish")
+    public CommonResult<String> publish(@RequestBody Map<String, Object> params) {
+        return mpkFileService.publish(params);
+    }
 }
\ No newline at end of file
diff --git a/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/service/MpkFileService.java b/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/service/MpkFileService.java
index 53da080..b33499c 100644
--- a/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/service/MpkFileService.java
+++ b/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/service/MpkFileService.java
@@ -1,6 +1,7 @@
 package com.iailab.module.model.mpk.service;
 
 import com.iailab.framework.common.page.PageData;
+import com.iailab.framework.common.pojo.CommonResult;
 import com.iailab.framework.common.service.BaseService;
 import com.iailab.module.model.mpk.dto.MpkFileDTO;
 import com.iailab.module.model.mpk.entity.MpkFileEntity;
@@ -34,4 +35,6 @@
     byte[] packageModel(List<String> ids,String projectId,String projectName,String fileName,String log,String version) throws IOException, InterruptedException;
 
     Map<String,String> savePyFile(MultipartFile file) throws IOException;
+
+    CommonResult<String> publish(Map<String, Object> params);
 }
\ No newline at end of file
diff --git a/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/service/impl/MpkFileServiceImpl.java b/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/service/impl/MpkFileServiceImpl.java
index a33aa2e..c46b3df 100644
--- a/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/service/impl/MpkFileServiceImpl.java
+++ b/iailab-module-model/iailab-module-model-biz/src/main/java/com/iailab/module/model/mpk/service/impl/MpkFileServiceImpl.java
@@ -8,12 +8,14 @@
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.iailab.framework.common.page.PageData;
+import com.iailab.framework.common.pojo.CommonResult;
 import com.iailab.framework.common.service.impl.BaseServiceImpl;
 import com.iailab.framework.common.util.date.DateUtils;
 import com.iailab.framework.common.util.object.ConvertUtils;
 import com.iailab.framework.security.core.util.SecurityFrameworkUtils;
 import com.iailab.module.infra.api.config.ConfigApi;
 import com.iailab.module.model.mpk.common.MdkConstant;
+import com.iailab.module.model.mpk.common.utils.DllUtils;
 import com.iailab.module.model.mpk.common.utils.GenUtils;
 import com.iailab.module.model.mpk.dao.MpkFileDao;
 import com.iailab.module.model.mpk.dto.GeneratorCodeHistoryDTO;
@@ -36,6 +38,7 @@
 import org.springframework.web.multipart.MultipartFile;
 
 import java.io.*;
+import java.net.URLClassLoader;
 import java.nio.file.Files;
 import java.util.*;
 import java.util.stream.Collectors;
@@ -368,6 +371,16 @@
         //生成dll文件
         String dllSavePath = dirPath.getAbsolutePath() + File.separator + MdkConstant.LIBS + File.separator + "IAIL.MDK.Mid.Jni.dll";
         createDllFile(dirPath.getAbsolutePath(),cppFilePaths,dllSavePath);
+        // 打包历史id
+        String historyId = UUID.randomUUID().toString();
+        //备份dll,发布时使用
+        File dllFile = new File(dllSavePath);
+        if (dllFile.exists()) {
+            File dllBakFile = new File(mpkBakFilePath + File.separator + projectId + MdkConstant.SPLIT + historyId + ".dll");
+            FileUtil.copy(dllFile, dllBakFile, true);
+        }else {
+            log.error("dll文件不存在,无法备份。" + dllSavePath);
+        }
 
         //utils + env java文件
         File utilsJavaFile = new File(dirPath.getAbsolutePath() + File.separator + "IAILMDK" + File.separator + "iail" + File.separator + "mdk" + File.separator + "model" + File.separator + "utils" + File.separator + "AlgsUtils.java");
@@ -383,10 +396,18 @@
         // 删除java源文件
         deleteJavaFile(javaFilePaths);
         // 打jar包
-        pkgJar(dirPath.getAbsolutePath());
+        String jarSavePath = pkgJar(dirPath.getAbsolutePath());
+        //备份jar包,发布时使用
+        File jarFile = new File(jarSavePath);
+        if (jarFile.exists()) {
+            File jarBakFile = new File(mpkBakFilePath + File.separator + projectId + MdkConstant.SPLIT + historyId + ".jar");
+            FileUtil.copy(jarFile, jarBakFile, true);
+        }else {
+            log.error("jar文件不存在,无法备份。" + jarSavePath);
+        }
+
         // 本次更新日志
         ProjectPackageHistoryDTO dto = new ProjectPackageHistoryDTO();
-        String historyId = UUID.randomUUID().toString();
         dto.setId(historyId);
         dto.setProjectId(projectId);
         dto.setFileName(zipFileName);
@@ -470,6 +491,57 @@
         return result;
     }
 
+    @Override
+    public CommonResult<String> publish(Map<String, Object> params) {
+        String historyId = (String) params.get("historyId");
+        String projectId = (String) params.get("projectId");
+
+        // 判断新的dll和jar文件是否存在
+        String jarFileBakPath = mpkBakFilePath + File.separator + projectId + MdkConstant.SPLIT + historyId + ".jar";
+        String dllFileBakPath = mpkBakFilePath + File.separator + projectId + MdkConstant.SPLIT + historyId + ".dll";
+        if (!FileUtil.exist(jarFileBakPath)) {
+            throw new RuntimeException("jar文件不存在," + jarFileBakPath);
+        }
+        if (!FileUtil.exist(dllFileBakPath)) {
+            throw new RuntimeException("dll文件不存在" + dllFileBakPath);
+        }
+
+        try {
+            // 卸载之前的dll和jar
+            DllUtils.removeClassLoaderCache(projectId);
+            // 删除之前的dll和jar备份文件
+            DllUtils.removeOldFile(mpkBakFilePath + File.separator + MdkConstant.PROJECT_PUBLISH,projectId);
+        } catch (Exception e) {
+            throw new RuntimeException("卸载之前的dll和jar异常",e);
+        }
+
+        // 备份新的dll和jar
+        String jarFilePath = mpkBakFilePath + File.separator + MdkConstant.PROJECT_PUBLISH + File.separator + projectId + MdkConstant.SPLIT + historyId + ".jar";
+        String dllFilePath = mpkBakFilePath + File.separator + MdkConstant.PROJECT_PUBLISH + File.separator + projectId + MdkConstant.SPLIT + historyId + ".dll";
+        FileUtil.copy(jarFileBakPath,jarFilePath,true);
+        FileUtil.copy(dllFileBakPath,dllFilePath,true);
+
+        URLClassLoader urlClassLoader = null;
+        try {
+            // 加载新的jar
+            urlClassLoader = DllUtils.loadJar(jarFilePath);
+        } catch (Exception e) {
+            throw new RuntimeException("加载新的jar异常",e);
+        }
+
+        try {
+            // 加载新的dll
+            DllUtils.loadDll(urlClassLoader.loadClass("iail.mdk.model.common.Environment"),dllFilePath);
+        } catch (Exception e) {
+            DllUtils.unloadJar(urlClassLoader);
+            throw new RuntimeException("加载新的dll异常",e);
+        }
+        // 都加载成功后加入缓存
+        DllUtils.addClassLoaderCache(projectId,urlClassLoader);
+
+        return CommonResult.success();
+    }
+
     private void createLog(String projectId, String projectName, String dirPath, ProjectPackageHistoryDTO dto, String version) throws IOException {
         Map<String, Object> map = new HashMap<>();
         map.put("projectId", projectId);

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