refactor : cache file system

2024-12-12 15:00:08 +08:00
parent bf1e3da298
commit b1338a9ffd
23 changed files with 336 additions and 221 deletions
@@ -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>
@@ -1,67 +0,0 @@
-using System.Collections;
-using System.Collections.Generic;
-
-namespace YooAsset
-{
-    internal sealed class DCFSClearAllBundleFilesOperation : FSClearAllBundleFilesOperation
-    {
-        private enum ESteps
-        {
-            None,
-            GetAllCacheFiles,
-            ClearAllCacheFiles,
-            Done,
-        }
-
-        private readonly DefaultCacheFileSystem _fileSystem;
-        private List<string> _allBundleGUIDs;
-        private int _fileTotalCount = 0;
-        private ESteps _steps = ESteps.None;
-
-
-        internal DCFSClearAllBundleFilesOperation(DefaultCacheFileSystem fileSystem)
-        {
-            _fileSystem = fileSystem;
-        }
-        internal override void InternalOnStart()
-        {
-            _steps = ESteps.GetAllCacheFiles;
-        }
-        internal override void InternalOnUpdate()
-        {
-            if (_steps == ESteps.None || _steps == ESteps.Done)
-                return;
-
-            if (_steps == ESteps.GetAllCacheFiles)
-            {
-                _allBundleGUIDs = _fileSystem.GetAllCachedBundleGUIDs();
-                _fileTotalCount = _allBundleGUIDs.Count;
-                _steps = ESteps.ClearAllCacheFiles;
-                YooLogger.Log($"Found all cache files count : {_fileTotalCount}");
-            }
-
-            if (_steps == ESteps.ClearAllCacheFiles)
-            {
-                for (int i = _allBundleGUIDs.Count - 1; i >= 0; i--)
-                {
-                    string bundleGUID = _allBundleGUIDs[i];
-                    _fileSystem.DeleteCacheFile(bundleGUID);
-                    _allBundleGUIDs.RemoveAt(i);
-                    if (OperationSystem.IsBusy)
-                        break;
-                }
-
-                if (_fileTotalCount == 0)
-                    Progress = 1.0f;
-                else
-                    Progress = 1.0f - (_allBundleGUIDs.Count / _fileTotalCount);
-
-                if (_allBundleGUIDs.Count == 0)
-                {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Succeed;
-                }
-            }
-        }
-    }
-}
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: daed187502431d347bf11bddcf8d77de
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
@@ -1,83 +0,0 @@
-using System.Collections;
-using System.Collections.Generic;
-
-namespace YooAsset
-{
-    internal sealed class DCFSClearUnusedBundleFilesOperation : FSClearUnusedBundleFilesOperation
-    {
-        private enum ESteps
-        {
-            None,
-            GetUnusedCacheFiles,
-            ClearUnusedCacheFiles,
-            Done,
-        }
-
-        private readonly DefaultCacheFileSystem _fileSystem;
-        private readonly PackageManifest _manifest;
-        private List<string> _unusedBundleGUIDs;
-        private int _unusedFileTotalCount = 0;
-        private ESteps _steps = ESteps.None;
-
-
-        internal DCFSClearUnusedBundleFilesOperation(DefaultCacheFileSystem fileSystem, PackageManifest manifest)
-        {
-            _fileSystem = fileSystem;
-            _manifest = manifest;
-        }
-        internal override void InternalOnStart()
-        {
-            _steps = ESteps.GetUnusedCacheFiles;
-        }
-        internal override void InternalOnUpdate()
-        {
-            if (_steps == ESteps.None || _steps == ESteps.Done)
-                return;
-
-            if (_steps == ESteps.GetUnusedCacheFiles)
-            {    
-                _unusedBundleGUIDs = GetUnusedBundleGUIDs();
-                _unusedFileTotalCount = _unusedBundleGUIDs.Count;
-                _steps = ESteps.ClearUnusedCacheFiles;
-                YooLogger.Log($"Found unused cache files count : {_unusedFileTotalCount}");
-            }
-
-            if (_steps == ESteps.ClearUnusedCacheFiles)
-            {
-                for (int i = _unusedBundleGUIDs.Count - 1; i >= 0; i--)
-                {
-                    string bundleGUID = _unusedBundleGUIDs[i];
-                    _fileSystem.DeleteCacheFile(bundleGUID);
-                    _unusedBundleGUIDs.RemoveAt(i);
-                    if (OperationSystem.IsBusy)
-                        break;
-                }
-
-                if (_unusedFileTotalCount == 0)
-                    Progress = 1.0f;
-                else
-                    Progress = 1.0f - (_unusedBundleGUIDs.Count / _unusedFileTotalCount);
-
-                if (_unusedBundleGUIDs.Count == 0)
-                {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Succeed;
-                }
-            }
-        }
-
-        private List<string> GetUnusedBundleGUIDs()
-        {
-            var allBundleGUIDs = _fileSystem.GetAllCachedBundleGUIDs();
-            List<string> result = new List<string>(allBundleGUIDs.Count);
-            foreach (var bundleGUID in allBundleGUIDs)
-            {
-                if (_manifest.IsIncludeBundleFile(bundleGUID) == false)
-                {
-                    result.Add(bundleGUID);
-                }
-            }
-            return result;
-        }
-    }
-}
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: be7b242f10abf524fa59e9ca0d12b052
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
@@ -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);
                }

@@ -1,124 +0,0 @@
-using System;
-using System.IO;
-using System.Collections;
-using System.Collections.Generic;
-
-namespace YooAsset
-{
-    internal sealed class SearchCacheFilesOperation : AsyncOperationBase
-    {
-        private enum ESteps
-        {
-            None,
-            Prepare,
-            SearchFiles,
-            Done,
-        }
-
-        private readonly DefaultCacheFileSystem _fileSystem;
-        private IEnumerator<DirectoryInfo> _filesEnumerator = null;
-        private float _verifyStartTime;
-        private ESteps _steps = ESteps.None;
-
-        /// <summary>
-        /// 需要验证的元素
-        /// </summary>
-        public readonly List<CacheFileElement> Result = new List<CacheFileElement>(5000);
-
-
-        internal SearchCacheFilesOperation(DefaultCacheFileSystem fileSystem)
-        {
-            _fileSystem = fileSystem;
-        }
-        internal override void InternalOnStart()
-        {
-            _steps = ESteps.Prepare;
-            _verifyStartTime = UnityEngine.Time.realtimeSinceStartup;
-        }
-        internal override void InternalOnUpdate()
-        {
-            if (_steps == ESteps.None || _steps == ESteps.Done)
-                return;
-
-            if (_steps == ESteps.Prepare)
-            {
-                DirectoryInfo rootDirectory = new DirectoryInfo(_fileSystem.GetCacheFilesRoot());
-                if (rootDirectory.Exists)
-                {
-                    var directorieInfos = rootDirectory.EnumerateDirectories();
-                    _filesEnumerator = directorieInfos.GetEnumerator();
-                }
-                _steps = ESteps.SearchFiles;
-            }
-
-            if (_steps == ESteps.SearchFiles)
-            {
-                if (SearchFiles())
-                    return;
-
-                _steps = ESteps.Done;
-                Status = EOperationStatus.Succeed;
-                float costTime = UnityEngine.Time.realtimeSinceStartup - _verifyStartTime;
-                YooLogger.Log($"Search cache files elapsed time {costTime:f1} seconds");
-            }
-        }
-
-        private bool SearchFiles()
-        {
-            if (_filesEnumerator == null)
-                return false;
-
-            bool isFindItem;
-            while (true)
-            {
-                isFindItem = _filesEnumerator.MoveNext();
-                if (isFindItem == false)
-                    break;
-
-                var rootFoder = _filesEnumerator.Current;
-                var childDirectories = rootFoder.GetDirectories();
-                foreach (var chidDirectory in childDirectories)
-                {
-                    string bundleGUID = chidDirectory.Name;
-                    if (_fileSystem.IsRecordFile(bundleGUID))
-                        continue;
-
-                    // 创建验证元素类
-                    string fileRootPath = chidDirectory.FullName;
-                    string dataFilePath = $"{fileRootPath}/{ DefaultCacheFileSystemDefine.SaveBundleDataFileName}";
-                    string infoFilePath = $"{fileRootPath}/{ DefaultCacheFileSystemDefine.SaveBundleInfoFileName}";
-
-                    // 存储的数据文件追加文件格式
-                    if (_fileSystem.AppendFileExtension)
-                    {
-                        string dataFileExtension = FindDataFileExtension(chidDirectory);
-                        if (string.IsNullOrEmpty(dataFileExtension) == false)
-                            dataFilePath += dataFileExtension;
-                    }
-
-                    var element = new CacheFileElement(_fileSystem.PackageName, bundleGUID, fileRootPath, dataFilePath, infoFilePath);
-                    Result.Add(element);
-                }
-
-                if (OperationSystem.IsBusy)
-                    break;
-            }
-
-            return isFindItem;
-        }
-        private string FindDataFileExtension(DirectoryInfo directoryInfo)
-        {
-            string dataFileExtension = string.Empty;
-            var fileInfos = directoryInfo.GetFiles();
-            foreach (var fileInfo in fileInfos)
-            {
-                if (fileInfo.Name.StartsWith(DefaultCacheFileSystemDefine.SaveBundleDataFileName))
-                {
-                    dataFileExtension = fileInfo.Extension;
-                    break;
-                }
-            }
-            return dataFileExtension;
-        }
-    }
-}
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 8adb017a806563548b1d4c47f7b343e2
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
@@ -1,205 +0,0 @@
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.IO;
-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
-    {
-        private enum ESteps
-        {
-            None,
-            InitVerify,
-            UpdateVerify,
-            Done,
-        }
-
-        private readonly ThreadSyncContext _syncContext = new ThreadSyncContext();
-        private readonly DefaultCacheFileSystem _fileSystem;
-        private List<CacheFileElement> _waitingList;
-        private List<CacheFileElement> _verifyingList;
-        private EFileVerifyLevel _verifyLevel = EFileVerifyLevel.Middle;
-        private int _verifyMaxNum;
-        private int _verifyTotalCount;
-        private float _verifyStartTime;
-        private int _succeedCount;
-        private int _failedCount;
-        private ESteps _steps = ESteps.None;
-
-
-        internal VerifyCacheFilesOperation(DefaultCacheFileSystem fileSystem, List<CacheFileElement> elements)
-        {
-            _fileSystem = fileSystem;
-            _waitingList = elements;
-            _verifyLevel = _fileSystem.FileVerifyLevel;
-        }
-        internal override void InternalOnStart()
-        {
-            _steps = ESteps.InitVerify;
-            _verifyStartTime = UnityEngine.Time.realtimeSinceStartup;
-        }
-        internal override void InternalOnUpdate()
-        {
-            if (_steps == ESteps.None || _steps == ESteps.Done)
-                return;
-
-            if (_steps == ESteps.InitVerify)
-            {
-                int fileCount = _waitingList.Count;
-
-                // 设置同时验证的最大数
-                ThreadPool.GetMaxThreads(out int workerThreads, out int ioThreads);
-                YooLogger.Log($"Work threads : {workerThreads}, IO threads : {ioThreads}");
-                _verifyMaxNum = Math.Min(workerThreads, ioThreads);
-                _verifyTotalCount = fileCount;
-                if (_verifyMaxNum < 1)
-                    _verifyMaxNum = 1;
-
-                _verifyingList = new List<CacheFileElement>(_verifyMaxNum);
-                _steps = ESteps.UpdateVerify;
-            }
-
-            if (_steps == ESteps.UpdateVerify)
-            {
-                _syncContext.Update();
-
-                Progress = GetProgress();
-                if (_waitingList.Count == 0 && _verifyingList.Count == 0)
-                {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Succeed;
-                    float costTime = UnityEngine.Time.realtimeSinceStartup - _verifyStartTime;
-                    YooLogger.Log($"Verify cache files elapsed time {costTime:f1} seconds");
-                }
-
-                for (int i = _waitingList.Count - 1; i >= 0; i--)
-                {
-                    if (OperationSystem.IsBusy)
-                        break;
-
-                    if (_verifyingList.Count >= _verifyMaxNum)
-                        break;
-
-                    var element = _waitingList[i];
-                    if (BeginVerifyFileWithThread(element))
-                    {
-                        _waitingList.RemoveAt(i);
-                        _verifyingList.Add(element);
-                    }
-                    else
-                    {
-                        YooLogger.Warning("The thread pool is failed queued.");
-                        break;
-                    }
-                }
-            }
-        }
-
-        private float GetProgress()
-        {
-            if (_verifyTotalCount == 0)
-                return 1f;
-            return (float)(_succeedCount + _failedCount) / _verifyTotalCount;
-        }
-        private bool BeginVerifyFileWithThread(CacheFileElement element)
-        {
-            return ThreadPool.QueueUserWorkItem(new WaitCallback(VerifyInThread), element);
-        }
-        private void VerifyInThread(object obj)
-        {
-            CacheFileElement element = (CacheFileElement)obj;
-            element.Result = VerifyingCacheFile(element, _verifyLevel);
-            _syncContext.Post(VerifyCallback, element);
-        }
-        private void VerifyCallback(object obj)
-        {
-            CacheFileElement element = (CacheFileElement)obj;
-            _verifyingList.Remove(element);
-
-            if (element.Result == EFileVerifyResult.Succeed)
-            {
-                _succeedCount++;
-                var fileWrapper = new DefaultCacheFileSystem.FileWrapper(element.InfoFilePath, element.DataFilePath, element.DataFileCRC, element.DataFileSize);
-                _fileSystem.RecordFile(element.BundleGUID, fileWrapper);
-            }
-            else
-            {
-                _failedCount++;
-
-                YooLogger.Warning($"Failed to verify file {element.Result} and delete files : {element.FileRootPath}");
-                element.DeleteFiles();
-            }
-        }
-
-        /// <summary>
-        /// 验证缓存文件（子线程内操作）
-        /// </summary>
-        private EFileVerifyResult VerifyingCacheFile(CacheFileElement element, EFileVerifyLevel verifyLevel)
-        {
-            try
-            {
-                if (verifyLevel == EFileVerifyLevel.Low)
-                {
-                    if (File.Exists(element.InfoFilePath) == false)
-                        return EFileVerifyResult.InfoFileNotExisted;
-                    if (File.Exists(element.DataFilePath) == false)
-                        return EFileVerifyResult.DataFileNotExisted;
-                    return EFileVerifyResult.Succeed;
-                }
-                else
-                {
-                    if (File.Exists(element.InfoFilePath) == false)
-                        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);
-                }
-            }
-            catch (Exception)
-            {
-                return EFileVerifyResult.Exception;
-            }
-
-            return FileSystemHelper.FileVerify(element.DataFilePath, element.DataFileSize, element.DataFileCRC, verifyLevel);
-        }
-    }
-}
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 5e9325baa24ae234ea0208d70dd3347e
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
@@ -1,110 +0,0 @@
-using System;
-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
-    {
-        private enum ESteps
-        {
-            None,
-            VerifyFile,
-            Waiting,
-            Done,
-        }
-
-        private readonly TempFileElement _element;
-        private ESteps _steps = ESteps.None;
-
-        /// <summary>
-        /// 验证结果
-        /// </summary>
-        public EFileVerifyResult VerifyResult { protected set; get; }
-
-
-        internal VerifyTempFileOperation(TempFileElement element)
-        {
-            _element = element;
-        }
-        internal override void InternalOnStart()
-        {
-            _steps = ESteps.VerifyFile;
-        }
-        internal override void InternalOnUpdate()
-        {
-            if (_steps == ESteps.None || _steps == ESteps.Done)
-                return;
-
-            if (_steps == ESteps.VerifyFile)
-            {
-                if (BeginVerifyFileWithThread(_element))
-                {
-                    _steps = ESteps.Waiting;
-                }
-            }
-
-            if (_steps == ESteps.Waiting)
-            {
-                int result = _element.Result;
-                if (result == 0)
-                    return;
-
-                VerifyResult = (EFileVerifyResult)result;
-                if (VerifyResult == EFileVerifyResult.Succeed)
-                {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Succeed;
-                }
-                else
-                {
-                    _steps = ESteps.Done;
-                    Status = EOperationStatus.Failed;
-                    Error = $"Failed to verify file : {_element.TempFilePath} ! ErrorCode : {VerifyResult}";
-                }
-            }
-        }
-        internal override void InternalWaitForAsyncComplete()
-        {
-            while (true)
-            {
-                // 注意：等待子线程验证文件完毕
-                InternalOnUpdate();
-                if (IsDone)
-                    break;
-            }
-        }
-
-        private bool BeginVerifyFileWithThread(TempFileElement element)
-        {
-            return ThreadPool.QueueUserWorkItem(new WaitCallback(VerifyInThread), element);
-        }
-        private void VerifyInThread(object obj)
-        {
-            TempFileElement element = (TempFileElement)obj;
-            int result = (int)FileSystemHelper.FileVerify(element.TempFilePath, element.TempFileSize, element.TempFileCRC, EFileVerifyLevel.High);
-            element.Result = result;
-        }
-    }
-}
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 764ac4f47afd3be4a8d583578f51126d
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: