2025-09-01 18
:42
:30
.878
11212-11659 USBOfflineUpdater com
.kotei
.overseas
.navi I === 启动时恢复检查 ===
2025-09-01 18
:42
:30
.878
11212-11659 USBOfflineUpdater com
.kotei
.overseas
.navi W handFailure is running 已经完成备份的文件夹路径
: /data/user/0/com
.kotei
.overseas
.navi/cache/backupAlready
2025-09-01 18
:42
:30
.878
11212-11659 USBOfflineUpdater com
.kotei
.overseas
.navi W 更新失败，正在回滚数据，回滚目录
: /data/user/0/com
.kotei
.overseas
.navi/cache/backupAlready
2025-09-01 18
:42
:30
.879
11212-11660 USBOfflineUpdater com
.kotei
.overseas
.navi W performRollback IS RUNNING
2025-09-01 18
:42
:30
.901
11212-
11212 BLASTBufferQueue_Java com
.kotei
.overseas
.navi I update, w= 1920 h= 1200 mName = VRI[MainActivity]@44606a7 mNativeObject= 0xb400007b46351700 sc
.mNativeObject= 0xb400007ba974c300 format= -3 caller= android
.view
.ViewRootImpl
.updateBlastSurfaceIfNeeded
:3386 android
.view
.ViewRootImpl
.relayoutWindow
:11361 android
.view
.ViewRootImpl
.performTraversals
:4544 android
.view
.ViewRootImpl
.doTraversal
:3708 android
.view
.ViewRootImpl$TraversalRunnable
.run
:12542 android
.view
.Choreographer$CallbackRecord
.run
:1751
2025-09-01 18
:42
:30
.901
11212-
11212 VRI[MainAc
...y]@44606a7 com
.kotei
.overseas
.navi I Relayout returned
: old=
(0,0,1920,1200
) new=
(0,0,1920,1200
) relayoutAsync=true req=
(1920,1200
)0 dur=0 res=0x0 s={true 0xb400007b45439800} ch=false seqId=0
2025-09-01 18
:42
:30
.901 1360-3659 WindowManager system_server V Relayout Window{47f7e29 u0 com
.kotei
.overseas
.navi/com
.kotei
.overseas
.navi
.base
.MainActivity}
: viewVisibility=0 req=1920x1200 ty=1 d0
2025-09-01 18
:42
:30
.902
11212-
11212 VRI[MainAc
...y]@44606a7 com
.kotei
.overseas
.navi I registerCallbackForPendingTransactions
2025-09-01 18
:42
:30
.903
11212-11398 VRI[MainAc
...y]@44606a7 com
.kotei
.overseas
.navi I mWNT
: t=0xb400007ac4591700 mBlastBufferQueue=0xb400007b46351700 fn= 575 HdrRenderState mRenderHdrSdrRatio=1
.0 caller= android
.view
.ViewRootImpl$9
.onFrameDraw
:6276 android
.view
.ViewRootImpl$3
.onFrameDraw
:2440 android
.view
.ThreadedRenderer$1
.onFrameDraw
:761
2025-09-01 18
:42
:31
.213
11212-11660 FileUtils com
.kotei
.overseas
.navi W 删除失败
: /storage/emulated/0/Android/data/com
.kotei
.overseas
.navi/files/overseas/data/mapoffline/v1/1MCztmBt85mbwQr8hRKtgg/ocm-map/ARCHIVES/75
2025-09-01 18
:42
:31
.213
11212-11660 FileUtils com
.kotei
.overseas
.navi W 删除失败
: /storage/emulated/0/Android/data/com
.kotei
.overseas
.navi/files/overseas/data/mapoffline/v1/1MCztmBt85mbwQr8hRKtgg/ocm-map/ARCHIVES
2025-09-01 18
:42
:31
.213
11212-11660 FileUtils com
.kotei
.overseas
.navi W 删除失败
: /storage/emulated/0/Android/data/com
.kotei
.overseas
.navi/files/overseas/data/mapoffline/v1/1MCztmBt85mbwQr8hRKtgg/ocm-map
2025-09-01 18
:42
:31
.214
11212-11660 FileUtils com
.kotei
.overseas
.navi W 删除失败
: /storage/emulated/0/Android/data/com
.kotei
.overseas
.navi/files/overseas/data/mapoffline/v1/1MCztmBt85mbwQr8hRKtgg
2025-09-01 18
:42
:31
.215
11212-11660 FileUtils com
.kotei
.overseas
.navi W 删除失败
: /storage/emulated/0/Android/data/com
.kotei
.overseas
.navi/files/overseas/data/mapoffline/v1
package com
.kotei
.overseas
.navi
.update;
import static com
.kotei
.overseas
.navi
.security
.DecryptUtil
.dataVerification;
import android
.content
.BroadcastReceiver;
import android
.content
.Context;
import android
.content
.Intent;
import android
.content
.IntentFilter;
import android
.os
.AsyncTask;
import android
.os
.Handler;
import android
.os
.Looper;
import android
.util
.Log;
import androidx
.annotation
.NonNull;
import com
.here
.sdk
.core
.engine
.SDKNativeEngine;
import com
.here
.sdk
.maploader
.MapDownloader;
import com
.here
.sdk
.maploader
.MapDownloaderConstructionCallback;
import com
.kotei
.overseas
.navi
.business
.data
.MapDataController;
import com
.kotei
.overseas
.navi
.security
.DecryptUtil;
import com
.kotei
.overseas
.navi
.security
.DfCert;
import java
.io
.File;
import java
.io
.IOException;
import java
.io
.UncheckedIOException;
import java
.nio
.file
.Files;
import java
.nio
.file
.Path;
import java
.nio
.file
.Paths;
import java
.util
.concurrent
.atomic
.AtomicInteger;
import java
.util
.regex
.Pattern;
import java
.util
.stream
.Stream;
/**
* USB离线更新系统
*/
public class USBOfflineUpdater {
private static final String TAG = "USBOfflineUpdater";
// 状态码定义
/**
* 操作成功
*/
public static final int SUCCESS = 0;
/**
* 错误：未检测到USB设备
*/
public static final int ERROR_NO_USB = 1;
/**
* 错误：未找到升级包文件
*/
public static final int ERROR_NO_UPDATE_PACKAGE = 2;
/**
* 错误：电池电量不足（低于安全阈值）
*/
public static final int ERROR_BATTERY_LOW = 3;
/**
* 错误：存储空间不足
*/
public static final int ERROR_STORAGE_INSUFFICIENT = 4;
/**
* 错误：系统正在执行其他升级任务
*/
public static final int ERROR_UPDATE_IN_PROGRESS = 5;
/**
* 错误：文件复制失败（检查存储权限或磁盘状态）
*/
public static final int ERROR_COPY_FAILED = 6;
/**
* 错误：升级包解压失败（文件可能损坏）
*/
public static final int ERROR_EXTRACT_FAILED = 7;
/**
* 错误：用户手动取消操作
*/
public static final int ERROR_USER_CANCELED = 8;
/**
* 错误：未预期的系统异常
*/
public static final int ERROR_UNEXPECTED = 9;
/**
* 错误：升级过程中USB设备被移除
*/
public static final int ERROR_USB_REMOVED = 10;
/**
* 错误：车辆档位未处于停车挡（P档）
*/
public static final int ERROR_VEHICLE_SHIFTED = 11;
/**
* 错误：电池电量极低（无法维持升级过程）
*/
public static final int ERROR_BATTERY_TOO_LOW = 12;
/**
* 错误：文件校验失败（MD5/SHA256校验不匹配）
*/
public static final int ERROR_FILE_VERIFY_FAILED = 13;
/**
* 错误：文件解密或验签失败
*/
public static final int ERROR_DECRYPT_OR_SIGN_FAILED = 14;
// 更新阶段定义
/**
* 空闲状态（未开始升级）
*/
private static final int PHASE_IDLE = 0;
/**
* 设备检测阶段（检查USB/存储设备）
*/
private static final int PHASE_DETECTING = 1;
/**
* 升级包校验阶段（验证完整性/签名）
*/
private static final int PHASE_CHECKING = 2;
/**
* 系统备份阶段（备份当前系统数据）
*/
private static final int PHASE_BACKUP = 3;
/**
* 文件复制阶段（写入升级包到临时分区）
*/
private static final int PHASE_COPYING = 4;
/**
* 解压阶段（解压升级包内容）
*/
private static final int PHASE_EXTRACTING = 5;
/**
* 清理阶段（删除临时文件）
*/
private static final int PHASE_CLEANUP = 6;
/**
* 回滚阶段（升级失败时恢复备份）
*/
private static final int PHASE_ROLLBACK = 7;
// 权重分配比例
private static final float BACKUP_WEIGHT = 0
.1f; // 备份阶段权重10%
private static final float PACKAGE_COPY_WEIGHT = 0
.29f; // 升级包拷贝阶段权重29%
private static final float PACKAGE_VERIFY_WEIGHT = 0
.31f; // 升级包解密验签阶段权重31%
private static final float PACKAGE_EXTRACT_WEIGHT = 0
.29f; // 升级包解压阶段权重29%
private static final float VERIFICATION_WEIGHT = 0
.01f; // 校验阶段权重1%
// 声明 mProgress 为实例变量（非静态）
private float mProgress = 0; // 当前进度值（0~1）
private static USBOfflineUpdater instance;
private final Context context;
private UpdateTask currentTask;
private UpdateListener updateListener;
private SDKNativeEngine sdkNativeEngine;
private MapDataController mapDataController;
// 目录配置
private File usbRoot;
private File cacheDir;
private File storageDir;//
private File backupDir; //
private File backupAlreadyDir;
// 更新控制
public boolean isPaused = false;
public boolean isCancelled = false;
public final AtomicInteger currentPhase = new AtomicInteger
(PHASE_IDLE
);
// 错误信息
private String lastErrorMessage = "";
// 电量阈值
private static final int MIN_BATTERY_LEVEL = 30; // 最低电量百分比
private static final int MIN_BATTERY_LEVEL_CRITICAL = 15; // 严重低电量
//升级包格式
private static final String FILE_NAME_PATTERN = "^KVM_Navi_EU_"
+ "
(?<version>\\d{1,3}
)" // 版本号
(1-3位数字
)
+ "_"
+ "
(?<serial>\\d{1,2}
)" // 1-2位数字编号
+ "
(\\
.\\w+
)?$"; // 可选的文件扩展名
// 进度计算相关变量（新增）
private long totalUpdateSize = 0; // 所有升级包总大小
private long UpdateSize = 0; // 当前升级包大小
private long currentCopiedBytes = 0; // 当前已拷贝字节数
private long currentVerifiedBytes = 0; // 当前已验签字节数
private long currentExtractedBytes = 0; // 当前已解压字节数
private long backupSize = 0; // 备份数据大小
private long storageSize = 0;
private int currentPackageIndex = 0; // 当前处理的升级包索引
private int totalPackageCount = 0; // 总升级包数量
// 用于跟踪回滚状态
public boolean isRollingBack = false;
private long rollbackTotalSize = 0;
private long rollbackProcessedSize = 0;
// USB监听器
private final BroadcastReceiver usbReceiver = new BroadcastReceiver
() {
@Override
public void onReceive
(Context context, Intent intent
) {
String action = intent
.getAction
();
if
(Intent
.ACTION_MEDIA_MOUNTED
.equals
(action
)) {
//zwxtest
// File usbPath = new File
(intent
.getData
().getPath
());
File usbPath = new File
("/data/data/com
.kotei
.overseas
.navi/files"
);
if
(usbPath
.exists
() && usbPath
.canRead
()) {
usbRoot = usbPath;
Log
.i
(TAG, "USB mounted
: " + usbRoot
.getAbsolutePath
());
}
} else if
(Intent
.ACTION_MEDIA_EJECT
.equals
(action
) ||
Intent
.ACTION_MEDIA_UNMOUNTED
.equals
(action
)) {
if
(currentTask != null && currentPhase
.get
() > PHASE_CHECKING
) {
cancelUpdate
(ERROR_USB_REMOVED, "USB设备被移除"
);
}
usbRoot = null;
Log
.e
(TAG, "USB removed"
);
}
}
};
// // 车辆状态监听器（模拟）
private final BroadcastReceiver vehicleReceiver = new BroadcastReceiver
() {
@Override
public void onReceive
(Context context, Intent intent
) {
if
("com
.example
.ACTION_SHIFT_CHANGE"
.equals
(intent
.getAction
())) {
String shift = intent
.getStringExtra
("shift"
);
if
(!"P"
.equals
(shift
) && currentPhase
.get
() > PHASE_CHECKING
) {
// cancelUpdate
(ERROR_VEHICLE_SHIFTED, "车辆已退出P挡"
);
}
}
}
};
// 单例模式
public static synchronized USBOfflineUpdater getInstance
(Context context
) {
if
(instance == null
) {
instance = new USBOfflineUpdater
(context
);
}
return instance;
}
public static synchronized USBOfflineUpdater getInstance
() {
return instance;
}
private USBOfflineUpdater
(Context context
) {
this
.context = context
.getApplicationContext
();
// 初始化SDK
sdkNativeEngine = SDKNativeEngine
.getSharedInstance
();
mapDataController = MapDataController
.getInstance
();
try {
DfCert
.getInstance
().getService
();
} catch
(Exception e
) {
Log
.e
(TAG, "Exception
:" + e
.toString
());
}
//zwx 执行顺序？
// 初始化目录（默认值）
Log
.i
(TAG, "zwx
:=== 启动目录初始化 ==="
);
cacheDir = this
.context
.getCacheDir
();
storageDir = new File
(sdkNativeEngine
.getOptions
().persistentMapStoragePath
);
// ✅ 初始化 backupDir
backupDir = new File
(cacheDir, "backup"
); // ✅ 基于 cacheDir 固定路径
backupAlreadyDir = new File
(cacheDir, "backupAlready"
);
// 注册USB监听器
IntentFilter usbFilter = new IntentFilter
();
usbFilter
.addAction
(Intent
.ACTION_MEDIA_MOUNTED
);
usbFilter
.addAction
(Intent
.ACTION_MEDIA_EJECT
);
usbFilter
.addAction
(Intent
.ACTION_MEDIA_UNMOUNTED
);
usbFilter
.addDataScheme
("file"
);
context
.registerReceiver
(usbReceiver, usbFilter
);
// 注册车辆状态监听器（模拟）
IntentFilter vehicleFilter = new IntentFilter
("com
.example
.ACTION_SHIFT_CHANGE"
);
context
.registerReceiver
(vehicleReceiver, vehicleFilter
);
//清除数据存储目录下的预留数据
removeLegacy
();
}
public void initialization
(UpdateListener listener
) {
isRollingBack = false;
this
.updateListener = listener;
Thread USBOfflineUpdaterInitialization = new Thread
(new Runnable
() {
@Override
public void run
() {
// 启动时检查恢复
checkRecoveryOnStartup
();
}
}
);
USBOfflineUpdaterInitialization
.setName
("USBOfflineUpdaterInitialization"
);
USBOfflineUpdaterInitialization
.start
();
}
// 动态设置目录
public void setDirectories
(File usbRoot, File cacheDir, File storageDir
) {
if
(usbRoot != null
) {
this
.usbRoot = usbRoot;
}
if
(cacheDir != null
) {
this
.cacheDir = cacheDir;
}
if
(storageDir != null
) {
this
.storageDir = storageDir;
}
}
/**
* 检测升级包
*
* @return 状态码
(SUCCESS 或
错误码)
*/
public int detectUpdatePackages
() {
//zwxtest
// 1
. 检测USB是否插入
File usbPath = new File
("/data/data/com
.kotei
.overseas
.navi/files"
);
if
(usbPath
.exists
() && usbPath
.canRead
()) {
usbRoot = usbPath;
Log
.i
(TAG, "USB mounted
: " + usbRoot
.getAbsolutePath
());
}
//zwxtest
if
(usbRoot == null || !usbRoot
.exists
() || !usbRoot
.isDirectory
()) {
return ERROR_NO_USB;
}
File[] tempPackages = usbRoot
.listFiles
();
// 2
. 查找升级包
(命名格式
: update_v{版本号}_{日期}
.zip
)
File[] packages = usbRoot
.listFiles
(file ->
file
.isFile
() && file
.getName
().matches
(FILE_NAME_PATTERN
)
);
return
(packages != null && packages
.length > 0
) ? SUCCESS
: ERROR_NO_UPDATE_PACKAGE;
}
/**
* 环境检测
*
* @return 状态码
(SUCCESS 或
错误码)
*/
public int checkEnvironment
() {
// 1
. 检测电量
int batteryLevel = PowerUtils
.getBatteryLevel
(context
);
if
(batteryLevel < MIN_BATTERY_LEVEL
) {
return batteryLevel < MIN_BATTERY_LEVEL_CRITICAL ?
ERROR_BATTERY_TOO_LOW
: ERROR_BATTERY_LOW;
}
// 2
. 检测缓存空间
(需大于15GB
)
long requiredSpace = 15L * 1024 * 1024 * 1024; // 15GB
long availableSpace = StorageUtils
.getAvailableSpace
(cacheDir
);
if
(availableSpace < requiredSpace
) {
Log
.e
(TAG, "缓存空间剩余：【" + availableSpace + "】"
);
return ERROR_STORAGE_INSUFFICIENT;
}
return SUCCESS;
}
/**
* 判读是否正在进行离线更新
*/
public boolean isOfflineUpdate
() {
return currentTask != null && !currentTask
.isCancelled
();
}
/**
* 开始更新
*/
public void startUpdate
(UpdateListener listener
) {
this
.updateListener = listener;
int result = checkEnvironment
();
if
(result != SUCCESS
) {
notifyListener
(result, "环境检测不合格"
);
return;
}
if
(isRollingBack
) {
notifyListener
(ERROR_UPDATE_IN_PROGRESS, "正在进行数据回滚"
);
return;
}
if
(isOfflineUpdate
()) {
notifyListener
(ERROR_UPDATE_IN_PROGRESS, "已有更新任务正在进行"
);
return;
}
Log
.i
(TAG, "检测到更新任务触发，开始进行地图更新"
);
// 计算总工作量（新增）
calculateTotalWorkload
();//p3-2
notifyProgress
("开始进行更新"
);
this
.updateListener = listener;//zwx-恢复
currentTask = new UpdateTask
();
currentTask
.execute
();
}
// 计算总工作量（新增）
private void calculateTotalWorkload
() {
totalUpdateSize = 0;
File[] packages = getUpdatePackages
();
totalPackageCount = packages != null ? packages
.length
: 0;
if
(packages != null
) {
for
(File pkg
: packages
) {
totalUpdateSize += pkg
.length
();
}
}
// backupSize = estimateBackupSize
();//zwx
backupSize = FileUtils
.getDirectorySize
(storageDir
);
Log
.i
(TAG, "总工作量计算
: 升级包数量=" + totalPackageCount +
", 升级包大小=" + formatSize
(totalUpdateSize
) +
", 备份大小=" + formatSize
(backupSize
));
}
// // 估算备份大小方法（避免返回0导致除0错误）
// private long estimateBackupSize
() {
// long storageSize = FileUtils
.getDirectorySize
(storageDir
);
// long size =
(long
) (storageSize * 1
.2
);
// return size > 0 ? size
: 1; // 确保不为0
// }
// 获取更新包（新增）
private File[] getUpdatePackages
() {
if
(usbRoot == null
) return new File[0];
return usbRoot
.listFiles
(file ->
file
.isFile
() && file
.getName
().matches
(FILE_NAME_PATTERN
)
);
}
// 格式化文件大小（新增）
private String formatSize
(long size
) {
if
(size < 1024
) return size + "B";
else if
(size < 1024 * 1024
) return String
.format
("%
.1fKB", size / 1024
.0
);
else if
(size < 1024 * 1024 * 1024
) return String
.format
("%
.1fMB", size /
(1024
.0 * 1024
));
else return String
.format
("%
.1fGB", size /
(1024
.0 * 1024 * 1024
));
}
/**
* 暂停更新
*/
public void pauseUpdate
() {
isPaused = true;
notifyProgress
("更新已暂停"
);
}
/**
* 恢复更新
*/
public void resumeUpdate
() {
isPaused = false;
notifyProgress
("更新已恢复"
);
}
/**
* 取消更新
*/
public void cancelUpdate
() {
cancelUpdate
(ERROR_USER_CANCELED, "用户取消更新"
);
}
// private void cancelUpdate
(int errorCode, String message
) {
// isCancelled = true;
// lastErrorMessage = message;
// notifyListener
(errorCode, message
);
// }
public void cancelUpdate
(int errorCode, String message
) {
Log
.i
(TAG,"触发取消按钮"
);
isCancelled = true;
lastErrorMessage = message;
//zwx-focus-p3-回滚触发了计算总进度
if
(currentTask != null
) {
currentTask
.cancel
(true
); // 请求中断线程
}
//p7
// notifyListener
(errorCode, message
);
handleFailure
(ERROR_USER_CANCELED
);//p4-3
notifyListener
(errorCode, message
);//p7
}
// 进度通知
// private void notifyProgress
(String message
) {
// new Handler
(Looper
.getMainLooper
()).post
(() -> {
// if
(updateListener != null
) {
// // 计算当前总进度（修改）
// float progress = calculateOverallProgress
();
// updateListener
.onProgress
(currentPhase
.get
(), progress, message
);
// }
// }
);
// }
//p3-4-回滚使用自定义进度计算
private void notifyProgress
(String message
) {
new Handler
(Looper
.getMainLooper
()).post
(() -> {
if
(updateListener != null
) {
float progress;
if
(isRollingBack
) {
progress =
(float
) (rollbackProcessedSize * 100
) / rollbackTotalSize;
} else {
progress = calculateOverallProgress
();
}
updateListener
.onProgress
(currentPhase
.get
(), progress, message
);
}
}
);
}
private float calculateOverallProgress
() {
// if
(isRollingBack
) {
// // 回滚阶段：直接计算回滚进度
// if
(rollbackTotalSize > 0
) {
// mProgress = 99;
// return mProgress;
// }
// return 0;
// }
// if
(totalPackageCount == 0 && currentPhase
.get
() != PHASE_ROLLBACK
) {
// throw new IllegalStateException
("totalPackageCount should not be 0 here!"
);
// }//p3-3
if
(totalPackageCount == 0 && currentPhase
.get
() != PHASE_ROLLBACK
) return 0;
// 每个包的总权重（拷贝+验签+解压）
float packageTotalWeight = PACKAGE_COPY_WEIGHT +
PACKAGE_VERIFY_WEIGHT +
PACKAGE_EXTRACT_WEIGHT;
//再次确认totalPackageCount是否等于0
if
(totalPackageCount == 0
) {
throw new IllegalStateException
("totalPackageCount should not be 0 here!"
);
}
// 每个包的阶段权重
float packageCopyWeight = PACKAGE_COPY_WEIGHT / totalPackageCount;
float packageVerifyWeight = PACKAGE_VERIFY_WEIGHT / totalPackageCount;
float packageExtractWeight = PACKAGE_EXTRACT_WEIGHT / totalPackageCount;
switch
(currentPhase
.get
()) {
case PHASE_BACKUP
:
if
(backupSize > 0
) {
mProgress = BACKUP_WEIGHT *
(currentCopiedBytes /
(float
) backupSize
);
}else{
mProgress = BACKUP_WEIGHT;
}
if
(mProgress > BACKUP_WEIGHT
) {
mProgress = BACKUP_WEIGHT;
}
break;
case PHASE_COPYING
:
// 基础：备份 + 已完成包的完整进度
float copyBase = BACKUP_WEIGHT +
(packageTotalWeight * currentPackageIndex
) / totalPackageCount;
// 增量：当前包拷贝进度
float copyProgress = currentCopiedBytes /
(float
) UpdateSize;
mProgress = copyBase + packageCopyWeight * copyProgress;
break;
case PHASE_CHECKING
:
// 基础：备份 + 已完成包的完整进度 + 当前包拷贝完成
float verifyBase = BACKUP_WEIGHT +
(packageTotalWeight * currentPackageIndex
) / totalPackageCount +
packageCopyWeight;
// 增量：当前包验签进度
float verifyProgress = currentVerifiedBytes /
(float
) UpdateSize;
mProgress = verifyBase + packageVerifyWeight * verifyProgress;
break;
case PHASE_EXTRACTING
:
// 修复：添加当前包验签完成
float extractBase = BACKUP_WEIGHT +
(packageTotalWeight * currentPackageIndex
) / totalPackageCount +
packageCopyWeight +
packageVerifyWeight; // 添加这行
// 增量：当前包解压进度
float extractProgress = currentExtractedBytes /
(float
) UpdateSize;
mProgress = extractBase + packageExtractWeight * extractProgress;
break;
case PHASE_DETECTING
:
mProgress = BACKUP_WEIGHT + packageTotalWeight +
VERIFICATION_WEIGHT *
(currentVerifiedBytes /
(float
) totalUpdateSize
);
break;
case PHASE_CLEANUP
:
// case PHASE_ROLLBACK
:
// mProgress = 0
.99f;
// p3-5 break;
}
return Math
.min
(Math
.round
(mProgress * 10000
) / 100
.00f, 100
.00f
);
}
// 结果通知
private void notifyListener
(int resultCode, String message
) {
new Handler
(Looper
.getMainLooper
()).post
(() -> {
if
(updateListener != null
) {
updateListener
.onResult
(resultCode, message
);
}
}
);
}
// 获取当前进度百分比
private int getCurrentProgress
() {
// 此处可添加子任务进度计算
return
(int
) mProgress;
}
// ================== 核心更新逻辑 ==================
private class UpdateTask extends AsyncTask<Void, Void, Integer> {
// private File backupFile;//zwx-s
private File[] updatePackages;
@Override
protected void onPreExecute
() {
currentPhase
.set
(PHASE_DETECTING
);
isCancelled = false;
isPaused = false;
currentCopiedBytes = 0;
currentExtractedBytes = 0;
mProgress = 0; // 重置进度为0
}
@Override
protected Integer doInBackground
(Void
... voids
) {
try {
// 阶段1
: 备份数据
currentPhase
.set
(PHASE_BACKUP
);
notifyProgress
("开始备份数据
..."
);
backupDir = new File
(cacheDir, "backup"
);
Log
.i
(TAG, "初始化备份目录为
:" + backupDir
.getAbsolutePath
());//ZWX
if
(backupDir
.exists
()) {
if
(!FileUtils
.deleteRecursive
(backupDir
)) {
throw new IOException
("删除备份文件失败
: " + backupDir
.getAbsolutePath
());
}
}
if
(!backupDir
.mkdirs
()) {
throw new IOException
("创建备份目录失败
: " + backupDir
.getAbsolutePath
());
}
// 计算实际备份大小
Log
.i
(TAG, "核对实际需要备份的数据大小"
);
// backupSize = estimateBackupSize
();
backupSize = FileUtils
.getDirectorySize
(storageDir
);
Log
.i
(TAG, "需要备份的数据大小
:[" + formatSize
(backupSize
) + "]"
);
Log
.i
(TAG, "storage目录为
:" + storageDir
.getAbsolutePath
());//ZWX
if
(backupSize > 0
) {
Log
.i
(TAG, "开始进行数据备份"
);
try {
// 执行目录复制
if
(!singlecopydirectory
.copyDirectoryWithProgress
(storageDir, backupDir,
(copied, total
) -> {
currentCopiedBytes = copied;
notifyProgress
("备份中
: " + formatSize
(copied
) + "/" + formatSize
(total
));
}
)) {
throw new IOException
("备份失败
: " + storageDir
.getAbsolutePath
() + " -> " + backupDir
.getAbsolutePath
());
}
notifyProgress
("数据备份完成"
);//P4
if
(!backupDir
.renameTo
(backupAlreadyDir
)) {
throw new IOException
("重命名备份目录失败
: " + backupDir
.getAbsolutePath
() + " -> " + backupAlreadyDir
.getAbsolutePath
());
}
Log
.i
(TAG, "重命名备份目录成功"
);
} catch
(Exception e
) {
Log
.e
(TAG, "备份过程中发生错误", e
);
// 可选：尝试二次备份或记录日志，这里直接抛出错误
return ERROR_COPY_FAILED;
}
} else {
// 无数据需要备份，直接标记完成
Log
.i
(TAG, "无备份数据，直接进行数据更新"
);
currentCopiedBytes = 1;
backupSize = 1;
notifyProgress
("无数据需要备份"
);
}
// 检查是否被取消（场景1）
if
(isCancelled
) {
return ERROR_USER_CANCELED;
}
//zwx-end
//p6
// 阶段2
: 处理升级包
updatePackages = getUpdatePackages
();
Log
.i
(TAG, "开始处理升级包【拷贝、解密验签、解压】"
);
for
(currentPackageIndex = 0; currentPackageIndex < updatePackages
.length; currentPackageIndex++
) {
if
(isCancelled
) return ERROR_USER_CANCELED;
// 处理暂停状态
while
(isPaused
) {
Thread
.sleep
(500
);
}
File packageFile = updatePackages[currentPackageIndex];
UpdateSize = updatePackages[currentPackageIndex]
.length
();
String packageName = packageFile
.getName
();
long packageSize = packageFile
.length
();
// 备份完成后重置拷贝计数器
currentCopiedBytes = 0;
// 阶段3
: 拷贝升级包
currentPhase
.set
(PHASE_COPYING
);
File destFile = new File
(storageDir, packageName
);
// 拷贝时更新进度（修改）
boolean copyResult = FileUtils
.copyFileWithProgress
(
packageFile,
destFile,
(copied, total
) -> {
currentCopiedBytes = copied;
notifyProgress
(String
.format
("拷贝 %s
: %s/%s",
packageName,
formatSize
(copied
),
formatSize
(total
)));
}
);
if
(!copyResult
) {
lastErrorMessage = "拷贝失败
: " + packageName;
return ERROR_COPY_FAILED;
}
// 阶段4：解密验签
currentPhase
.set
(PHASE_CHECKING
);
currentVerifiedBytes = 0; // 重置验签计数器
// 创建进度回调适配器
DecryptUtil
.ProgressCallback decryptCallback = new DecryptUtil
.ProgressCallback
() {
@Override
public void onProgress
(long processed, long total
) {
// 直接更新验签进度计数器
currentVerifiedBytes = processed;
// 触发进度通知
notifyProgress
(String
.format
("解密验签 %s
: %s/%s",
packageName,
formatSize
(processed
),
formatSize
(total
)));
}
};
// 执行解密验签（传入回调）
if
(!dataVerification
(destFile
.getAbsolutePath
(), decryptCallback
)) {
if
(!isCancelled
) {
return ERROR_DECRYPT_OR_SIGN_FAILED;
}
}
// 确保进度设置为100%
currentVerifiedBytes = UpdateSize;
// 阶段5
: 解压升级包
currentPhase
.set
(PHASE_EXTRACTING
);
// 修复：重置解压计数器
currentExtractedBytes = 0; // 重置计数器
notifyProgress
("解压升级包
: " + packageName
);
// 解压时更新进度（修改）
boolean extractResult = FileUtils
.extractZipWithProgress
(
destFile,
storageDir,
(extracted, total
) -> {
currentExtractedBytes = extracted;
notifyProgress
(String
.format
("解压 %s
: %s/%s",
packageName,
formatSize
(extracted
),
formatSize
(total
)));
}
);
if
(!extractResult
) {
lastErrorMessage = "解压失败
: " + packageName;
return ERROR_EXTRACT_FAILED;
}
// 删除已解压的升级包以节省空间
if
(!destFile
.delete
()) {
Log
.w
(TAG, "删除升级包失败
: " + destFile
.getName
());
}
// 更新解压进度（完成当前包）
currentExtractedBytes += packageSize;
}
if
(!mapDataController
.checkInstallationStatus
()) {
notifyProgress
("校验失败"
);
return ERROR_FILE_VERIFY_FAILED;
} else {
notifyProgress
("校验成功"
);
}
// MapDownloader
.fromEngineAsync
(sdkNativeEngine, new MapDownloaderConstructionCallback
() {
// @Override
// public void onMapDownloaderConstructedCompleted
(@NonNull MapDownloader downloader
) {
// Log
.i
(TAG, "数据同步成功"
);
// }
// }
);
// 阶段5
: 清理工作
currentPhase
.set
(PHASE_CLEANUP
);
notifyProgress
("清理缓存
..."
);
if
(backupDir
.exists
() && !FileUtils
.deleteRecursive
(backupDir
)) {
Log
.w
(TAG, "删除备份文件失败"
);
}
// 最终进度设为100%
notifyProgress
("更新完成"
);
return SUCCESS;
} catch
(InterruptedException e
) {
// 场景1：备份未完成时被取消
// if
(backupDir != null && backupDir
.exists
()) {
//// backupFile
.delete
();
// if
(!FileUtils
.deleteRecursive
(backupDir
)) {
// Log
.w
(TAG, "删除备份文件失败
: " + backupDir
.getAbsolutePath
());
// }
// }
lastErrorMessage = "更新任务被中断";
return ERROR_USER_CANCELED;
} catch
(Exception e
) {
lastErrorMessage = "未知错误
: " + e
.getMessage
();
Log
.e
(TAG, "更新失败", e
);
return ERROR_UNEXPECTED;
}
}
@Override
protected void onPostExecute
(Integer resultCode
) {
if
(resultCode == SUCCESS
) {
if
(backupAlreadyDir != null && backupAlreadyDir
.exists
()) {
Log
.w
(TAG, "开始删除备份文件
: " + backupAlreadyDir
.getAbsolutePath
());
if
(!FileUtils
.deleteRecursive
(backupAlreadyDir
)) {
Log
.w
(TAG, "删除备份文件失败
: " + backupAlreadyDir
.getAbsolutePath
());
}
}
notifyListener
(SUCCESS, "更新成功,请重启车机"
);
currentPhase
.set
(PHASE_IDLE
);
currentTask = null;
} else {
handleFailure
(resultCode
);//p4-1
}
}
}
// ================== 启动时恢复检查 ==================
private void checkRecoveryOnStartup
() {
// File backupFile = findLatestBackupFile
();
Log
.i
(TAG, "=== 启动时恢复检查 ==="
);
// storageSize = FileUtils
.getDirectorySize
(storageDir
);
// backupAlreadyDir =
//backAlreadysize
handleFailure
(PHASE_IDLE
);//p4
notifyProgress
("数据恢复完成"
);
this
.updateListener = null;
}
private void checkStoragePerformance
() {
long writeSpeed = StorageUtils
.measureWriteSpeed
(storageDir
);
Log
.d
(TAG, "存储写入速度
: " + formatSize
(writeSpeed
) + "/s"
);
if
(writeSpeed < 50 * 1024 * 1024
) { // 低于 50MB/s
Log
.w
(TAG, "检测到低速存储设备，还原操作可能较慢"
);
}
}
//p3-7 p4-2
protected void handleFailure
(Integer resultCode
) {
Log
.w
(TAG, "handFailure is running " +
"已经完成备份的文件夹路径
: " + backupAlreadyDir
.getAbsolutePath
());
if
(backupDir != null && backupDir
.exists
()) {
// 场景1：存在未完成的备份目录（backup）
Log
.w
(TAG, "检测到残留备份目录
: " + backupDir
.getAbsolutePath
() + "，该目录将被删除"
);
// 删除未完成的备份目录
if
(!FileUtils
.deleteRecursive
(backupDir
)) {
Log
.e
(TAG, "无法删除未完成的备份目录
: " + backupDir
.getAbsolutePath
());
}
}
if
(backupAlreadyDir != null && backupAlreadyDir
.exists
()) {
// 场景2：进入回滚流程
isRollingBack = true;
currentPhase
.set
(PHASE_ROLLBACK
);
// 先发送回滚进度通知（99%）
notifyProgress
("更新失败，正在回滚数据
..."
);
Log
.w
(TAG, "更新失败，正在回滚数据，回滚目录
: " + backupAlreadyDir
.getAbsolutePath
());
// 启动回滚线程
new Thread
(() -> {
try {
// 执行回滚
if
(performRollback
(backupAlreadyDir
)) {
if
(backupAlreadyDir
.exists
() && !FileUtils
.deleteRecursive
(backupAlreadyDir
)) {
Log
.w
(TAG, "删除备份文件失败
: " + backupAlreadyDir
.getAbsolutePath
());
}
}
} finally {
// 回滚完成后删除备份
// backupFile
.delete
();
if
(!isCancelled
) {
// 回滚完成后发送最终结果
notifyListener
(resultCode, getErrorMessage
(resultCode
));
}
// 重置状态
currentPhase
.set
(PHASE_IDLE
);
currentTask = null;
isRollingBack = false;
}
}
).start
();
} else {
// 场景1：没有备份文件，直接报告错误
notifyListener
(resultCode, lastErrorMessage
);
currentPhase
.set
(PHASE_IDLE
);
currentTask = null;
}
}
//p3-6
private boolean performRollback
(File backupAlreadyDir
) {
Log
.w
(TAG, "performRollback IS RUNNING "
);
try {
// 设置回滚标志
// 获取备份大小
long backupAlreadyDirSize = FileUtils
.getDirectorySize
(backupAlreadyDir
);
if
(backupAlreadyDirSize <= 0
) {
throw new IOException
("备份目录为空或不可读
: " + backupAlreadyDir
.getAbsolutePath
());
}
// 设置回滚总大小
rollbackTotalSize = backupAlreadyDirSize;
rollbackProcessedSize = 0;
if
(!storageDir
.canWrite
()) {
throw new IOException
("目标目录不可写
: " + storageDir
.getAbsolutePath
());
}
// 删除当前升级后的数据
if
(storageDir
.exists
() && storageDir
.isDirectory
()) {
if
(!FileUtils
.deleteDirectoryContents
(storageDir
)) {
throw new IOException
("无法清空目标目录
: " + storageDir
.getAbsolutePath
());
}
}
// 开始恢复备份
notifyProgress
("开始恢复备份
..."
);
// 执行目录复制并监听进度
Log
.w
(TAG, "准备执行：singlecopydirectory
.copyDirectoryWithProgress"
);
// boolean success = singlecopydirectory
.copyDirectoryWithProgress
(backupAlreadyDir, storageDir,
(copied, total
) -> {
// rollbackProcessedSize = copied;
// notifyProgress
("恢复中
: " + formatSize
(copied
) + "/" + formatSize
(total
));
// }
);
//p7
boolean success = singlecopydirectory
.copyDirectoryWithProgress
(backupAlreadyDir, storageDir,
(copied, total
) -> {
rollbackProcessedSize = copied;
new Handler
(Looper
.getMainLooper
()).post
(() -> {
notifyProgress
("恢复中
: " + formatSize
(copied
) + "/" + formatSize
(total
));
}
);
}
);
if
(!success
) {
throw new IOException
("恢复备份失败"
);
}
// 回滚完成
rollbackProcessedSize = backupAlreadyDirSize;
notifyProgress
("数据恢复完成"
);
return true;
} catch
(Exception e
) {
Log
.e
(TAG, "回滚过程中发生错误", e
);
return false;
}
}
// 释放资源
public void release
() {
try {
context
.unregisterReceiver
(usbReceiver
);
context
.unregisterReceiver
(vehicleReceiver
);
} catch
(Exception e
) {
Log
.w
(TAG, "释放资源时出错", e
);
}
}
// ================== 接口定义 ==================
public interface UpdateListener {
void onProgress
(int phase, float progress, String message
);
void onResult
(int resultCode, String message
);
}
public interface ProgressCallback {
void onProgress
(long progress, long total
) throws InterruptedException;
}
public File getUsbRoot
() {
return usbRoot;
}
public File getCacheDir
() {
return cacheDir;
}
public File getStorageDir
() {
return storageDir;
}
public String getErrorMessage
(int code
) {
return switch
(code
) {
case ERROR_NO_USB -> "未检测到USB设备，请检查连接状态或更换接口";
case ERROR_NO_UPDATE_PACKAGE -> "升级包文件缺失，请确认存储路径";
case ERROR_BATTERY_LOW -> "电池电量不足（需≥20%）";
case ERROR_STORAGE_INSUFFICIENT -> "存储空间不足（需预留20gb以上）";
case ERROR_UPDATE_IN_PROGRESS -> "系统正在执行其他升级任务";
case ERROR_COPY_FAILED -> "文件复制失败，请检查存储权限";
case ERROR_EXTRACT_FAILED -> "升级包解压失败（可能文件损坏）";
case ERROR_USER_CANCELED -> "用户已取消升级操作";
case ERROR_UNEXPECTED -> "发生未预期的系统异常";
case ERROR_USB_REMOVED -> "升级过程中USB设备被移除";
case ERROR_VEHICLE_SHIFTED -> "请将车辆档位切换至P档";
case ERROR_BATTERY_TOO_LOW -> "电池电量极低（需≥10%）";
case ERROR_FILE_VERIFY_FAILED -> "文件校验失败（MD5/SHA256不匹配）";
case ERROR_DECRYPT_OR_SIGN_FAILED -> "文件解密/验签失败";
default -> "未知错误导致更新失败";
};
}
void removeLegacy
() {
if
(storageDir == null || !storageDir
.exists
() || !storageDir
.isDirectory
()) {
return;
}
Pattern pattern = Pattern
.compile
(FILE_NAME_PATTERN
);
File[] files = storageDir
.listFiles
();
if
(files == null
) return;
for
(File file
: files
) {
if
(file
.isFile
() && pattern
.matcher
(file
.getName
()).matches
()) {
// 删除匹配的文件
try {
Files
.deleteIfExists
(file
.toPath
());
} catch
(IOException | SecurityException e
) {
// 处理异常（记录日志等）
}
}
}
// 删除sign文件夹（如果存在）
Path signDir = Paths
.get
(storageDir
.getAbsolutePath
(), "sign"
);
if
(Files
.exists
(signDir
)) {
try {
// 递归删除整个目录
deleteDirectoryRecursively
(signDir
);
} catch
(IOException | SecurityException e
) {
// 处理异常
}
}
}
private void deleteDirectoryRecursively
(Path path
) throws IOException {
if
(Files
.isDirectory
(path
)) {
// 使用 try-with-resources 确保 Stream 关闭
try
(Stream<Path> children = Files
.list
(path
)) {
children
.forEach
(child -> {
try {
deleteDirectoryRecursively
(child
);
} catch
(IOException e
) {
// 处理子项删除异常
throw new UncheckedIOException
(e
); // 转换为 RuntimeException 以便在 Stream 中抛出
}
}
);
} catch
(UncheckedIOException e
) {
// 重新抛出原始 IOException
throw e
.getCause
();
}
}
// 删除空目录或文件
Files
.deleteIfExists
(path
);
}
}
分析删除失败原因
本文介绍了一个使用C语言实现的简单程序，该程序通过父子进程演示了如何处理SIGINT和SIGQUIT信号。父进程创建子进程后，可以发送信号给子进程，子进程接收到信号后会执行相应的处理函数。
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