refactor : cache file system

Assets/YooAsset/Runtime/FileSystem/CacheSystem.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: da6402a4b93d31943b26fb99cebc0dfd
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/CacheSystem/CacheFileElement.cs

@@ -0,0 +1,38 @@
+using System.IO;
+
+namespace YooAsset
+{
+    internal class CacheFileElement
+    {
+        public string PackageName { private set; get; }
+        public string BundleGUID { private set; get; }
+        public string FileRootPath { private set; get; }
+        public string DataFilePath { private set; get; }
+        public string InfoFilePath { private set; get; }
+
+        public EFileVerifyResult Result;
+        public string DataFileCRC;
+        public long DataFileSize;
+
+        public CacheFileElement(string packageName, string bundleGUID, string fileRootPath, string dataFilePath, string infoFilePath)
+        {
+            PackageName = packageName;
+            BundleGUID = bundleGUID;
+            FileRootPath = fileRootPath;
+            DataFilePath = dataFilePath;
+            InfoFilePath = infoFilePath;
+        }
+
+        public void DeleteFiles()
+        {
+            try
+            {
+                Directory.Delete(FileRootPath, true);
+            }
+            catch (System.Exception e)
+            {
+                YooLogger.Warning($"Failed to delete cache bundle folder : {e}");
+            }
+        }
+    }
+}

Assets/YooAsset/Runtime/FileSystem/CacheSystem/CacheFileElement.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 0c361449cdcbd8746ba3fb948798ae1b
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/CacheSystem/CacheWrapper.cs

@@ -0,0 +1,19 @@
+
+namespace YooAsset
+{
+    internal class CacheWrapper
+    {
+        public string InfoFilePath { private set; get; }
+        public string DataFilePath { private set; get; }
+        public string DataFileCRC { private set; get; }
+        public long DataFileSize { private set; get; }
+        
+        public CacheWrapper(string infoFilePath, string dataFilePath, string dataFileCRC, long dataFileSize)
+        {
+            InfoFilePath = infoFilePath;
+            DataFilePath = dataFilePath;
+            DataFileCRC = dataFileCRC;
+            DataFileSize = dataFileSize;
+        }
+    }
+}

Assets/YooAsset/Runtime/FileSystem/CacheSystem/CacheWrapper.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: ae2176c4ea6fbb3478bf8757def34cd7
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Interface.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: ce78de82d3ce1a841a1e6bad099e0bab
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Interface/ICacheSystem.cs

@@ -0,0 +1,52 @@
+using System.Collections.Generic;
+
+namespace YooAsset
+{
+    internal interface ICacheSystem
+    {
+        /// <summary>
+        /// 获取缓存文件的根目录
+        /// </summary>
+        string GetCacheFileRoot();
+
+        /// <summary>
+        /// 获取所有缓存文件的GUID
+        /// </summary>
+        List<string> GetAllCachedBundleGUIDs();
+
+        /// <summary>
+        /// 是否记录了文件
+        /// </summary>
+        bool IsRecordFile(string bundleGUID);
+
+        /// <summary>
+        /// 记录指定文件
+        /// </summary>
+        bool RecordFile(string bundleGUID, CacheWrapper wrapper);
+
+        /// <summary>
+        /// 验证缓存文件
+        /// </summary>
+        EFileVerifyResult VerifyCacheFile(PackageBundle bundle);
+
+        /// <summary>
+        /// 写入缓存文件
+        /// </summary>
+        bool WriteCacheFile(PackageBundle bundle, string copyPath);
+
+        /// <summary>
+        /// 删除缓存文件
+        /// </summary>
+        bool DeleteCacheFile(string bundleGUID);
+
+        /// <summary>
+        /// 写入文件信息
+        /// </summary>
+        void WriteInfoFile(string filePath, string dataFileCRC, long dataFileSize);
+
+        /// <summary>
+        /// 读取文件信息
+        /// </summary>
+        void ReadInfoFile(string filePath, out string dataFileCRC, out long dataFileSize);
+    }
+}

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Interface/ICacheSystem.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: f878bc9a12f5d2d40aee754ddfaada86
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Operation.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 8cae5a51fced527429445b140b8a0843
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Operation/ClearAllCacheFilesOperation.cs

@@ -3,7 +3,7 @@ using System.Collections.Generic;
 
 namespace YooAsset
 {
-    internal sealed class DCFSClearAllBundleFilesOperation : FSClearAllBundleFilesOperation
+    internal sealed class ClearAllCacheFilesOperation : FSClearAllBundleFilesOperation
     {
         private enum ESteps
         {
@@ -13,15 +13,15 @@ namespace YooAsset
             Done,
         }
 
-        private readonly DefaultCacheFileSystem _fileSystem;
+        private readonly ICacheSystem _cacheSystem;
         private List<string> _allBundleGUIDs;
         private int _fileTotalCount = 0;
         private ESteps _steps = ESteps.None;
 
 
-        internal DCFSClearAllBundleFilesOperation(DefaultCacheFileSystem fileSystem)
+        internal ClearAllCacheFilesOperation(ICacheSystem cacheSystem)
         {
-            _fileSystem = fileSystem;
+            _cacheSystem = cacheSystem;
         }
         internal override void InternalOnStart()
         {
@@ -34,7 +34,7 @@ namespace YooAsset
 
             if (_steps == ESteps.GetAllCacheFiles)
             {
-                _allBundleGUIDs = _fileSystem.GetAllCachedBundleGUIDs();
+                _allBundleGUIDs = _cacheSystem.GetAllCachedBundleGUIDs();
                 _fileTotalCount = _allBundleGUIDs.Count;
                 _steps = ESteps.ClearAllCacheFiles;
                 YooLogger.Log($"Found all cache files count : {_fileTotalCount}");
@@ -45,7 +45,7 @@ namespace YooAsset
                 for (int i = _allBundleGUIDs.Count - 1; i >= 0; i--)
                 {
                     string bundleGUID = _allBundleGUIDs[i];
-                    _fileSystem.DeleteCacheFile(bundleGUID);
+                    _cacheSystem.DeleteCacheFile(bundleGUID);
                     _allBundleGUIDs.RemoveAt(i);
                     if (OperationSystem.IsBusy)
                         break;

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Operation/ClearUnusedCacheFilesOperation.cs

@@ -3,7 +3,7 @@ using System.Collections.Generic;
 
 namespace YooAsset
 {
-    internal sealed class DCFSClearUnusedBundleFilesOperation : FSClearUnusedBundleFilesOperation
+    internal sealed class ClearUnusedCacheFilesOperation : FSClearUnusedBundleFilesOperation
     {
         private enum ESteps
         {
@@ -13,16 +13,16 @@ namespace YooAsset
             Done,
         }
 
-        private readonly DefaultCacheFileSystem _fileSystem;
+        private readonly ICacheSystem _cacheSystem;
         private readonly PackageManifest _manifest;
         private List<string> _unusedBundleGUIDs;
         private int _unusedFileTotalCount = 0;
         private ESteps _steps = ESteps.None;
 
         
-        internal DCFSClearUnusedBundleFilesOperation(DefaultCacheFileSystem fileSystem, PackageManifest manifest)
+        internal ClearUnusedCacheFilesOperation(ICacheSystem cacheSystem, PackageManifest manifest)
         {
-            _fileSystem = fileSystem;
+            _cacheSystem = cacheSystem;
             _manifest = manifest;
         }
         internal override void InternalOnStart()
@@ -47,7 +47,7 @@ namespace YooAsset
                 for (int i = _unusedBundleGUIDs.Count - 1; i >= 0; i--)
                 {
                     string bundleGUID = _unusedBundleGUIDs[i];
-                    _fileSystem.DeleteCacheFile(bundleGUID);
+                    _cacheSystem.DeleteCacheFile(bundleGUID);
                     _unusedBundleGUIDs.RemoveAt(i);
                     if (OperationSystem.IsBusy)
                         break;
@@ -68,7 +68,7 @@ namespace YooAsset
 
         private List<string> GetUnusedBundleGUIDs()
         {
-            var allBundleGUIDs = _fileSystem.GetAllCachedBundleGUIDs();
+            var allBundleGUIDs = _cacheSystem.GetAllCachedBundleGUIDs();
             List<string> result = new List<string>(allBundleGUIDs.Count);
             foreach (var bundleGUID in allBundleGUIDs)
             {

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Operation/SearchCacheFilesOperation.cs

@@ -15,7 +15,9 @@ namespace YooAsset
             Done,
         }
 
-        private readonly DefaultCacheFileSystem _fileSystem;
+        private readonly ICacheSystem _cacheSystem;
+        private readonly string _packageName;
+        private readonly bool _appendFileExtension;
         private IEnumerator<DirectoryInfo> _filesEnumerator = null;
         private float _verifyStartTime;
         private ESteps _steps = ESteps.None;
@@ -26,9 +28,11 @@ namespace YooAsset
         public readonly List<CacheFileElement> Result = new List<CacheFileElement>(5000);
 
 
-        internal SearchCacheFilesOperation(DefaultCacheFileSystem fileSystem)
+        internal SearchCacheFilesOperation(ICacheSystem cacheSystem, string packageName, bool appendFileExtension)
         {
-            _fileSystem = fileSystem;
+            _cacheSystem = cacheSystem;
+            _packageName = packageName;
+            _appendFileExtension = appendFileExtension;   
         }
         internal override void InternalOnStart()
         {
@@ -42,7 +46,7 @@ namespace YooAsset
 
             if (_steps == ESteps.Prepare)
             {
-                DirectoryInfo rootDirectory = new DirectoryInfo(_fileSystem.GetCacheFilesRoot());
+                DirectoryInfo rootDirectory = new DirectoryInfo(_cacheSystem.GetCacheFileRoot());
                 if (rootDirectory.Exists)
                 {
                     var directorieInfos = rootDirectory.EnumerateDirectories();
@@ -80,7 +84,7 @@ namespace YooAsset
                 foreach (var chidDirectory in childDirectories)
                 {
                     string bundleGUID = chidDirectory.Name;
-                    if (_fileSystem.IsRecordFile(bundleGUID))
+                    if (_cacheSystem.IsRecordFile(bundleGUID))
                         continue;
 
                     // 创建验证元素类
@@ -89,14 +93,14 @@ namespace YooAsset
                     string infoFilePath = $"{fileRootPath}/{ DefaultCacheFileSystemDefine.SaveBundleInfoFileName}";
 
                     // 存储的数据文件追加文件格式
-                    if (_fileSystem.AppendFileExtension)
+                    if (_appendFileExtension)
                     {
                         string dataFileExtension = FindDataFileExtension(chidDirectory);
                         if (string.IsNullOrEmpty(dataFileExtension) == false)
                             dataFilePath += dataFileExtension;
                     }
 
-                    var element = new CacheFileElement(_fileSystem.PackageName, bundleGUID, fileRootPath, dataFilePath, infoFilePath);
+                    var element = new CacheFileElement(_packageName, bundleGUID, fileRootPath, dataFilePath, infoFilePath);
                     Result.Add(element);
                 }
 

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Operation/VerifyCacheFilesOperation.cs

@@ -6,44 +6,10 @@ using System.Threading;
 
 namespace YooAsset
 {
-    internal class CacheFileElement
-    {
-        public string PackageName { private set; get; }
-        public string BundleGUID { private set; get; }
-        public string FileRootPath { private set; get; }
-        public string DataFilePath { private set; get; }
-        public string InfoFilePath { private set; get; }
-
-        public EFileVerifyResult Result;
-        public string DataFileCRC;
-        public long DataFileSize;
-
-        public CacheFileElement(string packageName, string bundleGUID, string fileRootPath, string dataFilePath, string infoFilePath)
-        {
-            PackageName = packageName;
-            BundleGUID = bundleGUID;
-            FileRootPath = fileRootPath;
-            DataFilePath = dataFilePath;
-            InfoFilePath = infoFilePath;
-        }
-
-        public void DeleteFiles()
-        {
-            try
-            {
-                Directory.Delete(FileRootPath, true);
-            }
-            catch (System.Exception e)
-            {
-                YooLogger.Warning($"Failed to delete cache bundle folder : {e}");
-            }
-        }
-    }
-
     /// <summary>
     /// 缓存文件验证（线程版）
     /// </summary>
-    internal class VerifyCacheFilesOperation : AsyncOperationBase
+    internal sealed class VerifyCacheFilesOperation : AsyncOperationBase
     {
         private enum ESteps
         {
@@ -54,10 +20,10 @@ namespace YooAsset
         }
 
         private readonly ThreadSyncContext _syncContext = new ThreadSyncContext();
-        private readonly DefaultCacheFileSystem _fileSystem;
+        private readonly ICacheSystem _cacheSystem;
+        private readonly EFileVerifyLevel _verifyLevel;
         private List<CacheFileElement> _waitingList;
         private List<CacheFileElement> _verifyingList;
-        private EFileVerifyLevel _verifyLevel = EFileVerifyLevel.Middle;
         private int _verifyMaxNum;
         private int _verifyTotalCount;
         private float _verifyStartTime;
@@ -66,11 +32,11 @@ namespace YooAsset
         private ESteps _steps = ESteps.None;
 
 
-        internal VerifyCacheFilesOperation(DefaultCacheFileSystem fileSystem, List<CacheFileElement> elements)
+        internal VerifyCacheFilesOperation(ICacheSystem cacheSystem, EFileVerifyLevel verifyLevel, List<CacheFileElement> elements)
         {
-            _fileSystem = fileSystem;
+            _cacheSystem = cacheSystem;
+            _verifyLevel = verifyLevel;
             _waitingList = elements;
-            _verifyLevel = _fileSystem.FileVerifyLevel;
         }
         internal override void InternalOnStart()
         {
@@ -158,8 +124,8 @@ namespace YooAsset
             if (element.Result == EFileVerifyResult.Succeed)
             {
                 _succeedCount++;
-                var fileWrapper = new DefaultCacheFileSystem.FileWrapper(element.InfoFilePath, element.DataFilePath, element.DataFileCRC, element.DataFileSize);
+                var fileWrapper = new CacheWrapper(element.InfoFilePath, element.DataFilePath, element.DataFileCRC, element.DataFileSize);
-                _fileSystem.RecordFile(element.BundleGUID, fileWrapper);
+                _cacheSystem.RecordFile(element.BundleGUID, fileWrapper);
             }
             else
             {
@@ -191,7 +157,7 @@ namespace YooAsset
                         return EFileVerifyResult.InfoFileNotExisted;
 
                     // 解析信息文件获取验证数据
-                    _fileSystem.ReadInfoFile(element.InfoFilePath, out element.DataFileCRC, out element.DataFileSize);
+                    _cacheSystem.ReadInfoFile(element.InfoFilePath, out element.DataFileCRC, out element.DataFileSize);
                 }
             }
             catch (Exception)

Assets/YooAsset/Runtime/FileSystem/CacheSystem/Operation/VerifyTempFileOperation.cs

@@ -3,29 +3,10 @@ using System.Threading;
 
 namespace YooAsset
 {
-    internal class TempFileElement
-    {
-        public string TempFilePath { private set; get; }
-        public string TempFileCRC { private set; get; }
-        public long TempFileSize { private set; get; }
-
-        /// <summary>
-        /// 注意：原子操作对象
-        /// </summary>
-        public int Result = 0;
-
-        public TempFileElement(string filePath, string fileCRC, long fileSize)
-        {
-            TempFilePath = filePath;
-            TempFileCRC = fileCRC;
-            TempFileSize = fileSize;
-        }
-    }
-
     /// <summary>
     /// 下载文件验证（线程版）
     /// </summary>
-    internal class VerifyTempFileOperation : AsyncOperationBase
+    internal sealed class VerifyTempFileOperation : AsyncOperationBase
     {
         private enum ESteps
         {
@@ -41,7 +22,7 @@ namespace YooAsset
         /// <summary>
         /// 验证结果
         /// </summary>
-        public EFileVerifyResult VerifyResult { protected set; get; }
+        public EFileVerifyResult VerifyResult { private set; get; }
 
 
         internal VerifyTempFileOperation(TempFileElement element)

Assets/YooAsset/Runtime/FileSystem/CacheSystem/TempFileElement.cs

@@ -0,0 +1,22 @@
+
+namespace YooAsset
+{
+    internal class TempFileElement
+    {
+        public string TempFilePath { private set; get; }
+        public string TempFileCRC { private set; get; }
+        public long TempFileSize { private set; get; }
+
+        /// <summary>
+        /// 注意：原子操作对象
+        /// </summary>
+        public int Result = 0;
+
+        public TempFileElement(string filePath, string fileCRC, long fileSize)
+        {
+            TempFilePath = filePath;
+            TempFileCRC = fileCRC;
+            TempFileSize = fileSize;
+        }
+    }
+}

Assets/YooAsset/Runtime/FileSystem/CacheSystem/TempFileElement.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 220136fdc4a13d84e97b1249cfc65f3b
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/DefaultCacheFileSystem.cs

@@ -10,26 +10,10 @@ namespace YooAsset
     /// 缓存文件系统
     /// 说明：正在进行的下载器会在ResourcePackage销毁的时候执行Abort操作！
     /// </summary>
-    internal class DefaultCacheFileSystem : IFileSystem
+    internal class DefaultCacheFileSystem : IFileSystem, ICacheSystem
     {
-        public class FileWrapper
-        {
-            public string InfoFilePath { private set; get; }
-            public string DataFilePath { private set; get; }
-            public string DataFileCRC { private set; get; }
-            public long DataFileSize { private set; get; }
-
-            public FileWrapper(string infoFilePath, string dataFilePath, string dataFileCRC, long dataFileSize)
-            {
-                InfoFilePath = infoFilePath;
-                DataFilePath = dataFilePath;
-                DataFileCRC = dataFileCRC;
-                DataFileSize = dataFileSize;
-            }
-        }
-
         protected readonly Dictionary<string, DefaultDownloadFileOperation> _downloaders = new Dictionary<string, DefaultDownloadFileOperation>(1000);
-        protected readonly Dictionary<string, FileWrapper> _wrappers = new Dictionary<string, FileWrapper>(10000);
+        protected readonly Dictionary<string, CacheWrapper> _wrappers = new Dictionary<string, CacheWrapper>(10000);
         protected readonly Dictionary<string, Stream> _loadedStream = new Dictionary<string, Stream>(10000);
         protected readonly Dictionary<string, string> _dataFilePaths = new Dictionary<string, string>(10000);
         protected readonly Dictionary<string, string> _infoFilePaths = new Dictionary<string, string>(10000);
@@ -128,13 +112,13 @@ namespace YooAsset
         }
         public virtual FSClearAllBundleFilesOperation ClearAllBundleFilesAsync()
         {
-            var operation = new DCFSClearAllBundleFilesOperation(this);
+            var operation = new ClearAllCacheFilesOperation(this);
             OperationSystem.StartOperation(PackageName, operation);
             return operation;
         }
         public virtual FSClearUnusedBundleFilesOperation ClearUnusedBundleFilesAsync(PackageManifest manifest)
         {
-            var operation = new DCFSClearUnusedBundleFilesOperation(this, manifest);
+            var operation = new ClearUnusedCacheFilesOperation(this, manifest);
             OperationSystem.StartOperation(PackageName, operation);
             return operation;
         }
@@ -372,7 +356,100 @@ namespace YooAsset
             }
         }
 
-        #region 内部方法
+        #region 缓存系统
+        public string GetCacheFileRoot()
+        {
+            return _saveFileRoot;
+        }
+        public List<string> GetAllCachedBundleGUIDs()
+        {
+            return _wrappers.Keys.ToList();
+        }
+
+        public bool IsRecordFile(string bundleGUID)
+        {
+            return _wrappers.ContainsKey(bundleGUID);
+        }
+        public bool RecordFile(string bundleGUID, CacheWrapper wrapper)
+        {
+            if (_wrappers.ContainsKey(bundleGUID))
+            {
+                YooLogger.Error($"{nameof(DefaultCacheFileSystem)} has element : {bundleGUID}");
+                return false;
+            }
+
+            _wrappers.Add(bundleGUID, wrapper);
+            return true;
+        }
+
+        public EFileVerifyResult VerifyCacheFile(PackageBundle bundle)
+        {
+            if (_wrappers.TryGetValue(bundle.BundleGUID, out CacheWrapper wrapper) == false)
+                return EFileVerifyResult.CacheNotFound;
+
+            EFileVerifyResult result = FileSystemHelper.FileVerify(wrapper.DataFilePath, wrapper.DataFileSize, wrapper.DataFileCRC, EFileVerifyLevel.High);
+            return result;
+        }
+        public bool WriteCacheFile(PackageBundle bundle, string copyPath)
+        {
+            if (_wrappers.ContainsKey(bundle.BundleGUID))
+            {
+                throw new Exception("Should never get here !");
+            }
+
+            string infoFilePath = GetInfoFilePath(bundle);
+            string dataFilePath = GetDataFilePath(bundle);
+
+            try
+            {
+                if (File.Exists(infoFilePath))
+                    File.Delete(infoFilePath);
+                if (File.Exists(dataFilePath))
+                    File.Delete(dataFilePath);
+
+                FileUtility.CreateFileDirectory(dataFilePath);
+
+                // 拷贝数据文件
+                FileInfo fileInfo = new FileInfo(copyPath);
+                fileInfo.CopyTo(dataFilePath);
+
+                // 写入文件信息
+                WriteInfoFile(infoFilePath, bundle.FileCRC, bundle.FileSize);
+            }
+            catch (Exception e)
+            {
+                YooLogger.Error($"Failed to write cache file ! {e.Message}");
+                return false;
+            }
+
+            var wrapper = new CacheWrapper(infoFilePath, dataFilePath, bundle.FileCRC, bundle.FileSize);
+            return RecordFile(bundle.BundleGUID, wrapper);
+        }
+        public bool DeleteCacheFile(string bundleGUID)
+        {
+            if (_wrappers.TryGetValue(bundleGUID, out CacheWrapper wrapper))
+            {
+                try
+                {
+                    string dataFilePath = wrapper.DataFilePath;
+                    FileInfo fileInfo = new FileInfo(dataFilePath);
+                    if (fileInfo.Exists)
+                        fileInfo.Directory.Delete(true);
+                    _wrappers.Remove(bundleGUID);
+                    return true;
+                }
+                catch (Exception e)
+                {
+                    YooLogger.Error($"Failed to delete cache file ! {e.Message}");
+                    return false;
+                }
+            }
+            else
+            {
+                return false;
+            }
+        }
+
         private readonly BufferWriter _sharedBuffer = new BufferWriter(1024);
         public void WriteInfoFile(string filePath, string dataFileCRC, long dataFileSize)
         {
@@ -392,7 +469,9 @@ namespace YooAsset
             dataFileCRC = buffer.ReadUTF8();
             dataFileSize = buffer.ReadInt64();
         }
+        #endregion
 
+        #region 内部方法
         protected string GetDefaultRoot()
         {
 #if UNITY_EDITOR
@@ -441,10 +520,6 @@ namespace YooAsset
         {
             return GetDataFilePath(bundle);
         }
-        public string GetCacheFilesRoot()
-        {
-            return _saveFileRoot;
-        }
         public string GetCachePackageHashFilePath(string packageVersion)
         {
             string fileName = YooAssetSettingsData.GetPackageHashFileName(PackageName, packageVersion);
@@ -460,108 +535,6 @@ namespace YooAsset
             return PathUtility.Combine(_manifestFileRoot, DefaultCacheFileSystemDefine.AppFootPrintFileName);
         }
 
-        /// <summary>
-        /// 是否已经记录了文件
-        /// </summary>
-        public bool IsRecordFile(string bundleGUID)
-        {
-            return _wrappers.ContainsKey(bundleGUID);
-        }
-
-        /// <summary>
-        /// 记录文件信息
-        /// </summary>
-        public bool RecordFile(string bundleGUID, FileWrapper wrapper)
-        {
-            if (_wrappers.ContainsKey(bundleGUID))
-            {
-                YooLogger.Error($"{nameof(DefaultCacheFileSystem)} has element : {bundleGUID}");
-                return false;
-            }
-
-            _wrappers.Add(bundleGUID, wrapper);
-            return true;
-        }
-
-        /// <summary>
-        /// 验证缓存文件
-        /// </summary>
-        public EFileVerifyResult VerifyCacheFile(PackageBundle bundle)
-        {
-            if (_wrappers.TryGetValue(bundle.BundleGUID, out FileWrapper wrapper) == false)
-                return EFileVerifyResult.CacheNotFound;
-
-            EFileVerifyResult result = FileSystemHelper.FileVerify(wrapper.DataFilePath, wrapper.DataFileSize, wrapper.DataFileCRC, EFileVerifyLevel.High);
-            return result;
-        }
-
-        /// <summary>
-        /// 写入缓存文件
-        /// </summary>
-        public bool WriteCacheFile(PackageBundle bundle, string copyPath)
-        {
-            if (_wrappers.ContainsKey(bundle.BundleGUID))
-            {
-                throw new Exception("Should never get here !");
-            }
-
-            string infoFilePath = GetInfoFilePath(bundle);
-            string dataFilePath = GetDataFilePath(bundle);
-
-            try
-            {
-                if (File.Exists(infoFilePath))
-                    File.Delete(infoFilePath);
-                if (File.Exists(dataFilePath))
-                    File.Delete(dataFilePath);
-
-                FileUtility.CreateFileDirectory(dataFilePath);
-
-                // 拷贝数据文件
-                FileInfo fileInfo = new FileInfo(copyPath);
-                fileInfo.CopyTo(dataFilePath);
-
-                // 写入文件信息
-                WriteInfoFile(infoFilePath, bundle.FileCRC, bundle.FileSize);
-            }
-            catch (Exception e)
-            {
-                YooLogger.Error($"Failed to write cache file ! {e.Message}");
-                return false;
-            }
-
-            FileWrapper wrapper = new FileWrapper(infoFilePath, dataFilePath, bundle.FileCRC, bundle.FileSize);
-            return RecordFile(bundle.BundleGUID, wrapper);
-        }
-
-        /// <summary>
-        /// 删除缓存文件
-        /// </summary>
-        public bool DeleteCacheFile(string bundleGUID)
-        {
-            if (_wrappers.TryGetValue(bundleGUID, out FileWrapper wrapper))
-            {
-                try
-                {
-                    string dataFilePath = wrapper.DataFilePath;
-                    FileInfo fileInfo = new FileInfo(dataFilePath);
-                    if (fileInfo.Exists)
-                        fileInfo.Directory.Delete(true);
-                    _wrappers.Remove(bundleGUID);
-                    return true;
-                }
-                catch (Exception e)
-                {
-                    YooLogger.Error($"Failed to delete cache file ! {e.Message}");
-                    return false;
-                }
-            }
-            else
-            {
-                return false;
-            }
-        }
-
         /// <summary>
         /// 删除所有清单文件
         /// </summary>
@@ -573,14 +546,6 @@ namespace YooAsset
             }
         }
 
-        /// <summary>
-        /// 获取所有缓存文件GUID
-        /// </summary>
-        public List<string> GetAllCachedBundleGUIDs()
-        {
-            return _wrappers.Keys.ToList();
-        }
-
         /// <summary>
         /// 加载加密资源文件
         /// </summary>

Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/DCFSInitializeOperation.cs

@@ -57,7 +57,7 @@ namespace YooAsset
             {
                 if (_searchCacheFilesOp == null)
                 {
-                    _searchCacheFilesOp = new SearchCacheFilesOperation(_fileSytem);
+                    _searchCacheFilesOp = new SearchCacheFilesOperation(_fileSytem, _fileSytem.PackageName, _fileSytem.AppendFileExtension);
                     OperationSystem.StartOperation(_fileSytem.PackageName, _searchCacheFilesOp);
                 }
 
@@ -72,7 +72,7 @@ namespace YooAsset
             {
                 if (_verifyCacheFilesOp == null)
                 {
-                    _verifyCacheFilesOp = new VerifyCacheFilesOperation(_fileSytem, _searchCacheFilesOp.Result);
+                    _verifyCacheFilesOp = new VerifyCacheFilesOperation(_fileSytem, _fileSytem.FileVerifyLevel, _searchCacheFilesOp.Result);
                     OperationSystem.StartOperation(_fileSytem.PackageName, _verifyCacheFilesOp);
                 }