90 lines
3.2 KiB
C#
90 lines
3.2 KiB
C#
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namespace YooAsset
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{
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internal class RequestWebRemotePackageHashOperation : 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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RequestPackageHash,
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Done,
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}
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private readonly DefaultWebRemoteFileSystem _fileSystem;
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private readonly string _packageVersion;
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private readonly int _timeout;
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private UnityWebTextRequestOperation _webTextRequestOp;
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private int _requestCount = 0;
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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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public RequestWebRemotePackageHashOperation(DefaultWebRemoteFileSystem fileSystem, string packageVersion, int timeout)
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{
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_fileSystem = fileSystem;
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_packageVersion = packageVersion;
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_timeout = timeout;
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}
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internal override void InternalOnStart()
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{
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_requestCount = WebRequestCounter.GetRequestFailedCount(_fileSystem.PackageName, nameof(RequestWebRemotePackageHashOperation));
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_steps = ESteps.RequestPackageHash;
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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.RequestPackageHash)
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{
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if (_webTextRequestOp == null)
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{
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string fileName = YooAssetSettingsData.GetPackageHashFileName(_fileSystem.PackageName, _packageVersion);
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string url = GetWebRequestURL(fileName);
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_webTextRequestOp = new UnityWebTextRequestOperation(url, _timeout);
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OperationSystem.StartOperation(_fileSystem.PackageName, _webTextRequestOp);
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}
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Progress = _webTextRequestOp.Progress;
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if (_webTextRequestOp.IsDone == false)
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return;
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if (_webTextRequestOp.Status == EOperationStatus.Succeed)
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{
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PackageHash = _webTextRequestOp.Result;
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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 = $"Web remote 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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else
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{
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_steps = ESteps.Done;
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Status = EOperationStatus.Failed;
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Error = _webTextRequestOp.Error;
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WebRequestCounter.RecordRequestFailed(_fileSystem.PackageName, nameof(RequestWebRemotePackageHashOperation));
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}
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}
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}
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private string GetWebRequestURL(string fileName)
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{
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// 轮流返回请求地址
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if (_requestCount % 2 == 0)
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return _fileSystem.RemoteServices.GetRemoteMainURL(fileName);
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else
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return _fileSystem.RemoteServices.GetRemoteFallbackURL(fileName);
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}
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}
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} |