64 lines
1.9 KiB
C#
64 lines
1.9 KiB
C#
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using System.IO;
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namespace YooAsset
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{
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internal class LoadCachePackageHashOperation : AsyncOperationBase
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{
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private enum ESteps
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{
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None,
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LoadPackageHash,
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Done,
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}
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private readonly DefaultCacheFileSystem _fileSystem;
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private readonly string _packageVersion;
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private ESteps _steps = ESteps.None;
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/// <summary>
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/// 包裹哈希值
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/// </summary>
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public string PackageHash { private set; get; }
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internal LoadCachePackageHashOperation(DefaultCacheFileSystem fileSystem, string packageVersion)
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{
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_fileSystem = fileSystem;
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_packageVersion = packageVersion;
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}
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internal override void InternalOnStart()
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{
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_steps = ESteps.LoadPackageHash;
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}
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internal override void InternalOnUpdate()
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{
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if (_steps == ESteps.None || _steps == ESteps.Done)
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return;
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if (_steps == ESteps.LoadPackageHash)
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{
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string filePath = _fileSystem.GetCachePackageHashFilePath(_packageVersion);
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if (File.Exists(filePath) == false)
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{
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_steps = ESteps.Done;
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Status = EOperationStatus.Failed;
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Error = $"Can not found cache package hash file : {filePath}";
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return;
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}
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PackageHash = FileUtility.ReadAllText(filePath);
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if (string.IsNullOrEmpty(PackageHash))
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{
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_steps = ESteps.Done;
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Status = EOperationStatus.Failed;
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Error = $"Cache package hash file content is empty !";
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}
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else
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{
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_steps = ESteps.Done;
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Status = EOperationStatus.Succeed;
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}
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}
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}
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}
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}
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