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refactor : cache file system

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何冠峰
2024-12-12 15:00:08 +08:00
parent bf1e3da298
commit b1338a9ffd
23 changed files with 336 additions and 221 deletions
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235
Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/DefaultCacheFileSystem.cs
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@@ -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>