update file system

Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/DownloadPackageHashOperation.cs

@@ -57,7 +57,6 @@ namespace YooAsset
                     string savePath = _fileSystem.GetCachePackageHashFilePath(_packageVersion);
                     string fileName = YooAssetSettingsData.GetPackageHashFileName(_fileSystem.PackageName, _packageVersion);
                     string webURL = GetWebRequestURL(fileName);
-                    YooLogger.Log($"Beginning to download package hash file : {webURL}");
                     _webFileRequestOp = new UnityWebFileRequestOperation(webURL, savePath, _timeout);
                     OperationSystem.StartOperation(_fileSystem.PackageName, _webFileRequestOp);
                 }

Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/DownloadPackageManifestOperation.cs

@@ -57,7 +57,6 @@ namespace YooAsset
                     string savePath = _fileSystem.GetCachePackageManifestFilePath(_packageVersion);
                     string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_fileSystem.PackageName, _packageVersion);
                     string webURL = GetDownloadRequestURL(fileName);
-                    YooLogger.Log($"Beginning to download package manifest file : {webURL}");
                     _webFileRequestOp = new UnityWebFileRequestOperation(webURL, savePath, _timeout);
                     OperationSystem.StartOperation(_fileSystem.PackageName, _webFileRequestOp);
                 }

Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/LoadCachePackageHashOperation.cs

@@ -42,7 +42,7 @@ namespace YooAsset
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
-                    Error = $"Cache package hash file not found : {filePath}";
+                    Error = $"Can not found cache package hash file : {filePath}";
                     return;
                 }
 

Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/LoadCachePackageManifestOperation.cs

@@ -21,7 +21,7 @@ namespace YooAsset
         private ESteps _steps = ESteps.None;
 
         /// <summary>
-        /// 加载的清单实例
+        /// 包裹清单
         /// </summary>
         public PackageManifest Manifest { private set; get; }
 
@@ -53,7 +53,7 @@ namespace YooAsset
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
-                    Error = $"Cache manifest file not found : {manifestFilePath}";
+                    Error = $"Can not found cache manifest file : {manifestFilePath}";
                 }
             }
 

Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/RequestRemotePackageVersionOperation.cs

@@ -0,0 +1,98 @@
+
+namespace YooAsset
+{
+    internal class RequestRemotePackageVersionOperation : AsyncOperationBase
+    {
+        private enum ESteps
+        {
+            None,
+            RequestPackageVersion,
+            Done,
+        }
+
+        private readonly DefaultCacheFileSystem _fileSystem;
+        private readonly bool _appendTimeTicks;
+        private readonly int _timeout;
+        private UnityWebTextRequestOperation _webTextRequestOp;
+        private int _requestCount = 0;
+        private ESteps _steps = ESteps.None;
+
+        /// <summary>
+        /// 包裹版本
+        /// </summary>
+        internal string PackageVersion { set; get; }
+
+
+        internal RequestRemotePackageVersionOperation(DefaultCacheFileSystem fileSystem, bool appendTimeTicks, int timeout)
+        {
+            _fileSystem = fileSystem;
+            _appendTimeTicks = appendTimeTicks;
+            _timeout = timeout;
+        }
+        internal override void InternalOnStart()
+        {
+            _requestCount = WebRequestCounter.GetRequestFailedCount(_fileSystem.PackageName, nameof(RequestRemotePackageVersionOperation));
+            _steps = ESteps.RequestPackageVersion;
+        }
+        internal override void InternalOnUpdate()
+        {
+            if (_steps == ESteps.None || _steps == ESteps.Done)
+                return;
+
+            if (_steps == ESteps.RequestPackageVersion)
+            {
+                if (_webTextRequestOp == null)
+                {
+                    string fileName = YooAssetSettingsData.GetPackageVersionFileName(_fileSystem.PackageName);
+                    string url = GetWebRequestURL(fileName);
+                    _webTextRequestOp = new UnityWebTextRequestOperation(url, _timeout);
+                    OperationSystem.StartOperation(_fileSystem.PackageName, _webTextRequestOp);
+                }
+
+                Progress = _webTextRequestOp.Progress;
+                if (_webTextRequestOp.IsDone == false)
+                    return;
+
+                if (_webTextRequestOp.Status == EOperationStatus.Succeed)
+                {
+                    PackageVersion = _webTextRequestOp.Result;
+                    if (string.IsNullOrEmpty(PackageVersion))
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Failed;
+                        Error = $"Remote package version file content is empty !";
+                    }
+                    else
+                    {
+                        _steps = ESteps.Done;
+                        Status = EOperationStatus.Succeed;
+                    }
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = _webTextRequestOp.Error;
+                    WebRequestCounter.RecordRequestFailed(_fileSystem.PackageName, nameof(RequestRemotePackageVersionOperation));
+                }
+            }
+        }
+
+        private string GetWebRequestURL(string fileName)
+        {
+            string url;
+
+            // 轮流返回请求地址
+            if (_requestCount % 2 == 0)
+                url = _fileSystem.RemoteServices.GetRemoteMainURL(fileName);
+            else
+                url = _fileSystem.RemoteServices.GetRemoteFallbackURL(fileName);
+
+            // 在URL末尾添加时间戳
+            if (_appendTimeTicks)
+                return $"{url}?{System.DateTime.UtcNow.Ticks}";
+            else
+                return url;
+        }
+    }
+}

Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/RequestRemotePackageVersionOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 1b078a220cc4f7d4392d77ccc77c001e
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/SearchCacheFilesOperation.cs

@@ -56,7 +56,6 @@ namespace YooAsset
                 if (SearchFiles())
                     return;
 
-                // 注意：总是返回成功
                 _steps = ESteps.Done;
                 Status = EOperationStatus.Succeed;
                 float costTime = UnityEngine.Time.realtimeSinceStartup - _verifyStartTime;

Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/VerifyCacheFilesOperation.cs

@@ -35,7 +35,7 @@ namespace YooAsset
             }
             catch (System.Exception e)
             {
-                YooLogger.Warning($"Failed delete cache bundle folder : {e}");
+                YooLogger.Warning($"Failed to delete cache bundle folder : {e}");
             }
         }
     }
@@ -165,7 +165,7 @@ namespace YooAsset
             {
                 _failedCount++;
 
-                YooLogger.Warning($"Failed verify file {element.Result} and delete files : {element.FileRootPath}");
+                YooLogger.Warning($"Failed to verify file {element.Result} and delete files : {element.FileRootPath}");
                 element.DeleteFiles();
             }
         }

Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/VerifyTempFileOperation.cs

@@ -81,7 +81,7 @@ namespace YooAsset
                 {
                     _steps = ESteps.Done;
                     Status = EOperationStatus.Failed;
-                    Error = $"Failed verify file : {_element.TempFilePath} ! ErrorCode : {VerifyResult}";
+                    Error = $"Failed to verify file : {_element.TempFilePath} ! ErrorCode : {VerifyResult}";
                 }
             }
         }