update download system

下载文件验证支持多线程。

Assets/YooAsset/Runtime/CacheSystem/CacheSystem.cs

@@ -79,7 +79,7 @@ namespace YooAsset
 		/// <summary>
 		/// 验证缓存文件（子线程内操作）
 		/// </summary>
-		public static EVerifyResult VerifyingCacheFile(VerifyElement element)
+		public static EVerifyResult VerifyingCacheFile(VerifyCacheElement element)
 		{
 			try
 			{
@@ -109,15 +109,15 @@ namespace YooAsset
 		}
 
 		/// <summary>
-		/// 验证下载文件
+		/// 验证下载文件（子线程内操作）
 		/// </summary>
-		public static EVerifyResult VerifyingTempFile(PatchBundle patchBundle)
+		public static EVerifyResult VerifyingTempFile(VerifyTempElement element)
 		{
-			return VerifyingInternal(patchBundle.TempDataFilePath, patchBundle.FileSize, patchBundle.FileCRC, EVerifyLevel.High);
+			return VerifyingInternal(element.TempDataFilePath, element.FileSize, element.FileCRC, EVerifyLevel.High);
 		}
 		
 		/// <summary>
-		/// 验证记录文件
+		/// 验证记录文件（主线程内操作）
 		/// </summary>
 		public static EVerifyResult VerifyingRecordFile(string packageName, string cacheGUID)
 		{

Assets/YooAsset/Runtime/CacheSystem/Operations/Internal/FindCacheFilesOperation.cs

@@ -25,7 +25,7 @@ namespace YooAsset
 		/// <summary>
 		/// 需要验证的元素
 		/// </summary>
-		public readonly List<VerifyElement> VerifyElements = new List<VerifyElement>(5000);
+		public readonly List<VerifyCacheElement> VerifyElements = new List<VerifyCacheElement>(5000);
 
 		public FindCacheFilesOperation(string packageName)
 		{
@@ -113,7 +113,7 @@ namespace YooAsset
 					string fileRootPath = chidDirectory.FullName;
 					string dataFilePath = $"{fileRootPath}/{ YooAssetSettings.CacheBundleDataFileName}";
 					string infoFilePath = $"{fileRootPath}/{ YooAssetSettings.CacheBundleInfoFileName}";
-					VerifyElement element = new VerifyElement(_packageName, cacheGUID, fileRootPath, dataFilePath, infoFilePath);
+					VerifyCacheElement element = new VerifyCacheElement(_packageName, cacheGUID, fileRootPath, dataFilePath, infoFilePath);
 					VerifyElements.Add(element);
 				}
 
@@ -161,7 +161,7 @@ namespace YooAsset
 					string fileRootPath = chidDirectory.FullName;
 					string dataFilePath = $"{fileRootPath}/{ YooAssetSettings.CacheBundleDataFileName}{dataFileExtension}";
 					string infoFilePath = $"{fileRootPath}/{ YooAssetSettings.CacheBundleInfoFileName}";
-					VerifyElement element = new VerifyElement(_packageName, cacheGUID, fileRootPath, dataFilePath, infoFilePath);
+					VerifyCacheElement element = new VerifyCacheElement(_packageName, cacheGUID, fileRootPath, dataFilePath, infoFilePath);
 					VerifyElements.Add(element);
 				}
 

Assets/YooAsset/Runtime/CacheSystem/Operations/Internal/VerifyCacheFilesOperation.cs

@@ -8,7 +8,7 @@ namespace YooAsset
 {
 	internal abstract class VerifyCacheFilesOperation : AsyncOperationBase
 	{
-		public static VerifyCacheFilesOperation CreateOperation(List<VerifyElement> elements)
+		public static VerifyCacheFilesOperation CreateOperation(List<VerifyCacheElement> elements)
 		{
 #if UNITY_WEBGL
 			var operation = new VerifyCacheFilesWithoutThreadOperation(elements);
@@ -33,8 +33,8 @@ namespace YooAsset
 		}
 
 		private readonly ThreadSyncContext _syncContext = new ThreadSyncContext();
-		private List<VerifyElement> _waitingList;
+		private List<VerifyCacheElement> _waitingList;
-		private List<VerifyElement> _verifyingList;
+		private List<VerifyCacheElement> _verifyingList;
 		private int _verifyMaxNum;
 		private int _verifyTotalCount;
 		private float _verifyStartTime;
@@ -42,7 +42,7 @@ namespace YooAsset
 		private int _failedCount;
 		private ESteps _steps = ESteps.None;
 
-		public VerifyCacheFilesWithThreadOperation(List<VerifyElement> elements)
+		public VerifyCacheFilesWithThreadOperation(List<VerifyCacheElement> elements)
 		{
 			_waitingList = elements;
 		}
@@ -68,7 +68,7 @@ namespace YooAsset
 				if (_verifyMaxNum < 1)
 					_verifyMaxNum = 1;
 
-				_verifyingList = new List<VerifyElement>(_verifyMaxNum);
+				_verifyingList = new List<VerifyCacheElement>(_verifyMaxNum);
 				_steps = ESteps.UpdateVerify;
 			}
 
@@ -114,19 +114,19 @@ namespace YooAsset
 				return 1f;
 			return (float)(_succeedCount + _failedCount) / _verifyTotalCount;
 		}
-		private bool BeginVerifyFileWithThread(VerifyElement element)
+		private bool BeginVerifyFileWithThread(VerifyCacheElement element)
 		{
 			return ThreadPool.QueueUserWorkItem(new WaitCallback(VerifyInThread), element);
 		}
 		private void VerifyInThread(object obj)
 		{
-			VerifyElement element = (VerifyElement)obj;
+			VerifyCacheElement element = (VerifyCacheElement)obj;
 			element.Result = CacheSystem.VerifyingCacheFile(element);
 			_syncContext.Post(VerifyCallback, element);
 		}
 		private void VerifyCallback(object obj)
 		{
-			VerifyElement element = (VerifyElement)obj;
+			VerifyCacheElement element = (VerifyCacheElement)obj;
 			_verifyingList.Remove(element);
 
 			if (element.Result == EVerifyResult.Succeed)
@@ -158,8 +158,8 @@ namespace YooAsset
 			Done,
 		}
 
-		private List<VerifyElement> _waitingList;
+		private List<VerifyCacheElement> _waitingList;
-		private List<VerifyElement> _verifyingList;
+		private List<VerifyCacheElement> _verifyingList;
 		private int _verifyMaxNum;
 		private int _verifyTotalCount;
 		private float _verifyStartTime;
@@ -167,7 +167,7 @@ namespace YooAsset
 		private int _failedCount;
 		private ESteps _steps = ESteps.None;
 		
-		public VerifyCacheFilesWithoutThreadOperation(List<VerifyElement> elements)
+		public VerifyCacheFilesWithoutThreadOperation(List<VerifyCacheElement> elements)
 		{
 			_waitingList = elements;
 		}
@@ -189,7 +189,7 @@ namespace YooAsset
 				_verifyMaxNum = fileCount;
 				_verifyTotalCount = fileCount;
 
-				_verifyingList = new List<VerifyElement>(_verifyMaxNum);
+				_verifyingList = new List<VerifyCacheElement>(_verifyMaxNum);
 				_steps = ESteps.UpdateVerify;
 			}
 
@@ -229,7 +229,7 @@ namespace YooAsset
 				return 1f;
 			return (float)(_succeedCount + _failedCount) / _verifyTotalCount;
 		}
-		private void BeginVerifyFileWithoutThread(VerifyElement element)
+		private void BeginVerifyFileWithoutThread(VerifyCacheElement element)
 		{
 			element.Result = CacheSystem.VerifyingCacheFile(element);
 			if (element.Result == EVerifyResult.Succeed)

Assets/YooAsset/Runtime/CacheSystem/Operations/Internal/VerifyTempFileOperation.cs

@@ -0,0 +1,136 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using System.Threading;
+
+namespace YooAsset
+{
+	internal abstract class VerifyTempFileOperation : AsyncOperationBase
+	{
+		public EVerifyResult VerifyResult { protected set; get; }
+
+		public static VerifyTempFileOperation CreateOperation(VerifyTempElement element)
+		{
+#if UNITY_WEBGL
+			var operation = new VerifyTempFileWithoutThreadOperation(element);
+#else
+			var operation = new VerifyTempFileWithThreadOperation(element);
+#endif
+			return operation;
+		}
+	}
+
+	/// <summary>
+	/// 下载文件验证（线程版）
+	/// </summary>
+	internal class VerifyTempFileWithThreadOperation : VerifyTempFileOperation
+	{
+		private enum ESteps
+		{
+			None,
+			VerifyFile,
+			Waiting,
+			Done,
+		}
+
+		private readonly VerifyTempElement _element;
+		private ESteps _steps = ESteps.None;
+
+		public VerifyTempFileWithThreadOperation(VerifyTempElement element)
+		{
+			_element = element;
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.VerifyFile;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.VerifyFile)
+			{
+				if (BeginVerifyFileWithThread(_element))
+				{
+					_steps = ESteps.Waiting;
+				}
+			}
+		}
+
+		private bool BeginVerifyFileWithThread(VerifyTempElement element)
+		{
+			return ThreadPool.QueueUserWorkItem(new WaitCallback(VerifyInThread), element);
+		}
+		private void VerifyInThread(object obj)
+		{
+			VerifyTempElement element = (VerifyTempElement)obj;
+			element.Result = CacheSystem.VerifyingTempFile(element);
+			DownloadSystem.SyncContext.Post(VerifyCallback, element);
+		}
+		private void VerifyCallback(object obj)
+		{
+			VerifyTempElement element = (VerifyTempElement)obj;
+			VerifyResult = element.Result;
+			if (element.Result == EVerifyResult.Succeed)
+			{
+				_steps = ESteps.Done;
+				Status = EOperationStatus.Succeed;
+			}
+			else
+			{
+				_steps = ESteps.Done;
+				Status = EOperationStatus.Failed;
+				Error = $"Failed verify file : {element.TempDataFilePath} ! ErrorCode : {element.Result}";
+			}
+		}
+	}
+
+	/// <summary>
+	/// 下载文件验证（非线程版）
+	/// </summary>
+	internal class VerifyTempFileWithoutThreadOperation : VerifyTempFileOperation
+	{
+		private enum ESteps
+		{
+			None,
+			VerifyFile,
+			Done,
+		}
+
+		private readonly VerifyTempElement _element;
+		private ESteps _steps = ESteps.None;
+		
+		public VerifyTempFileWithoutThreadOperation(VerifyTempElement element)
+		{
+			_element = element;
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.VerifyFile;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.VerifyFile)
+			{
+				_element.Result = CacheSystem.VerifyingTempFile(_element);
+				VerifyResult = _element.Result;
+				if (_element.Result == EVerifyResult.Succeed)
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = $"Failed verify file : {_element.TempDataFilePath} ! ErrorCode : {_element.Result}";
+				}
+			}
+		}
+	}
+}

Assets/YooAsset/Runtime/CacheSystem/Operations/Internal/VerifyTempFileOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: cd356e68c5b4ef04ab018a6388f5173a
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/CacheSystem/VerifyElement.cs

@@ -2,7 +2,10 @@
 
 namespace YooAsset
 {
-	internal class VerifyElement
+	/// <summary>
+	/// 缓存文件验证元素
+	/// </summary>
+	internal class VerifyCacheElement
 	{
 		public string PackageName { private set; get; }
 		public string CacheGUID { private set; get; }
@@ -14,7 +17,7 @@ namespace YooAsset
 		public string DataFileCRC;
 		public long DataFileSize;
 
-		public VerifyElement(string packageName, string cacheGUID, string fileRootPath, string dataFilePath, string infoFilePath)
+		public VerifyCacheElement(string packageName, string cacheGUID, string fileRootPath, string dataFilePath, string infoFilePath)
 		{
 			PackageName = packageName;
 			CacheGUID = cacheGUID;
@@ -36,4 +39,23 @@ namespace YooAsset
 			}
 		}
 	}
+
+	/// <summary>
+	/// 下载文件验证元素
+	/// </summary>
+	internal class VerifyTempElement
+	{
+		public string TempDataFilePath { private set; get; }
+		public string FileCRC { private set; get; }
+		public long FileSize { private set; get; }
+
+		public EVerifyResult Result;
+
+		public VerifyTempElement(string tempDataFilePath, string fileCRC, long fileSize)
+		{
+			TempDataFilePath = tempDataFilePath;
+			FileCRC = fileCRC;
+			FileSize = fileSize;
+		}
+	}
 }

Assets/YooAsset/Runtime/DownloadSystem/DownloadSystem.cs

@@ -2,6 +2,7 @@
 using System.IO;
 using System.Collections;
 using System.Collections.Generic;
+using System.Threading;
 using UnityEngine.Networking;
 
 namespace YooAsset
@@ -21,6 +22,10 @@ namespace YooAsset
 		private static readonly Dictionary<string, DownloaderBase> _downloaderDic = new Dictionary<string, DownloaderBase>();
 		private static readonly List<string> _removeList = new List<string>(100);
 
+		/// <summary>
+		/// 线程同步
+		/// </summary>
+		public static ThreadSyncContext SyncContext { set; get; }
 
 		/// <summary>
 		/// 自定义下载器的请求委托
@@ -44,10 +49,21 @@ namespace YooAsset
 
 
 		/// <summary>
-		/// 更新所有下载器
+		/// 初始化下载器
+		/// </summary>
+		public static void Initialize()
+		{
+			SyncContext = new ThreadSyncContext();
+		}
+
+		/// <summary>
+		/// 更新下载器
 		/// </summary>
 		public static void Update()
 		{
+			if (SyncContext != null)
+				SyncContext.Update();
+
 			// 更新下载器
 			_removeList.Clear();
 			foreach (var valuePair in _downloaderDic)
@@ -78,6 +94,7 @@ namespace YooAsset
 			_downloaderDic.Clear();
 			_removeList.Clear();
 
+			SyncContext = null;
 			RequestDelegate = null;
 			CertificateHandlerInstance = null;
 			BreakpointResumeFileSize = int.MaxValue;

Assets/YooAsset/Runtime/DownloadSystem/Downloader/DownloaderBase.cs

@@ -7,11 +7,13 @@ namespace YooAsset
 		{
 			None,
 			CheckTempFile,
+			WaitingCheckTempFile,
 			PrepareDownload,
 			CreateResumeDownloader,
 			CreateGeneralDownloader,
 			CheckDownload,
-			VerifyingFile,
+			VerifyTempFile,
+			WaitingVerifyTempFile,
 			CachingFile,
 			TryAgain,
 			Succeed,

Assets/YooAsset/Runtime/DownloadSystem/Downloader/FileDownloader.cs

@@ -13,6 +13,8 @@ namespace YooAsset
 		private readonly string _tempFilePath;
 		private UnityWebRequest _webRequest = null;
 		private DownloadHandlerFileRange _downloadHandle = null;
+		private VerifyTempFileOperation _checkFileOp = null;
+		private VerifyTempFileOperation _verifyFileOp = null;
 
 		// 重置变量
 		private bool _isAbort = false;
@@ -34,17 +36,28 @@ namespace YooAsset
 			if (IsDone())
 				return;
 
-			// 检测本地临时文件
+			// 检测临时文件
 			if (_steps == ESteps.CheckTempFile)
 			{
-				var verifyResult = CacheSystem.VerifyingTempFile(_bundleInfo.Bundle);
+				VerifyTempElement element = new VerifyTempElement(_bundleInfo.Bundle.TempDataFilePath, _bundleInfo.Bundle.FileCRC, _bundleInfo.Bundle.FileSize);
-				if (verifyResult == EVerifyResult.Succeed)
+				_checkFileOp = VerifyTempFileOperation.CreateOperation(element);
+				OperationSystem.StartOperation(_checkFileOp);
+				_steps = ESteps.WaitingCheckTempFile;
+			}
+
+			// 等待检测结果
+			if (_steps == ESteps.WaitingCheckTempFile)
+			{
+				if (_checkFileOp.IsDone == false)
+					return;
+
+				if (_checkFileOp.Status == EOperationStatus.Succeed)
 				{
 					_steps = ESteps.CachingFile;
 				}
 				else
 				{
-					if (verifyResult == EVerifyResult.FileOverflow)
+					if (_checkFileOp.VerifyResult == EVerifyResult.FileOverflow)
 					{
 						if (File.Exists(_tempFilePath))
 							File.Delete(_tempFilePath);
@@ -188,7 +201,7 @@ namespace YooAsset
 				}
 				else
 				{
-					_steps = ESteps.VerifyingFile;
+					_steps = ESteps.VerifyTempFile;
 				}
 
 				// 释放下载器
@@ -196,21 +209,30 @@ namespace YooAsset
 			}
 
 			// 验证下载文件
-			if (_steps == ESteps.VerifyingFile)
+			if (_steps == ESteps.VerifyTempFile)
 			{
-				var verifyResult = CacheSystem.VerifyingTempFile(_bundleInfo.Bundle);
+				VerifyTempElement element = new VerifyTempElement(_bundleInfo.Bundle.TempDataFilePath, _bundleInfo.Bundle.FileCRC, _bundleInfo.Bundle.FileSize);
-				if (verifyResult == EVerifyResult.Succeed)
+				_verifyFileOp = VerifyTempFileOperation.CreateOperation(element);
+				OperationSystem.StartOperation(_verifyFileOp);
+				_steps = ESteps.WaitingVerifyTempFile;
+			}
+
+			// 等待验证完成
+			if (_steps == ESteps.WaitingVerifyTempFile)
+			{
+				if (_verifyFileOp.IsDone == false)
+					return;
+
+				if (_verifyFileOp.Status == EOperationStatus.Succeed)
 				{
 					_steps = ESteps.CachingFile;
 				}
 				else
 				{
-					_lastError = $"Failed to verifying file : {_bundleInfo.Bundle.FileName}, ErrorCode : {verifyResult}";
-
-					// 注意：验证失败后删除文件
 					if (File.Exists(_tempFilePath))
 						File.Delete(_tempFilePath);
 
+					_lastError = _verifyFileOp.Error;
 					_steps = ESteps.TryAgain;
 				}
 			}

Assets/YooAsset/Runtime/YooAssets.cs

@@ -34,8 +34,8 @@ namespace YooAsset
 				_driver.AddComponent<RemoteDebuggerInRuntime>();
 #endif
 
-				// 初始化异步系统
 				OperationSystem.Initialize();
+				DownloadSystem.Initialize();
 			}
 		}