mirror of https://github.com/tuyoogame/YooAsset
308 lines
8.4 KiB
C#
308 lines
8.4 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.IO;
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using System.Threading;
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namespace YooAsset
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{
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/// <summary>
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/// 更新清单操作
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/// </summary>
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public abstract class UpdateManifestOperation : AsyncOperationBase
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{
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}
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/// <summary>
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/// 编辑器下模拟运行的更新清单操作
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/// </summary>
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internal class EditorModeUpdateManifestOperation : UpdateManifestOperation
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{
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internal override void Start()
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{
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Status = EOperationStatus.Succeed;
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}
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internal override void Update()
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{
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}
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}
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/// <summary>
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/// 离线模式的更新清单操作
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/// </summary>
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internal class OfflinePlayModeUpdateManifestOperation : UpdateManifestOperation
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{
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internal override void Start()
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{
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Status = EOperationStatus.Succeed;
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}
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internal override void Update()
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{
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}
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}
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/// <summary>
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/// 网络模式的更新清单操作
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/// </summary>
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internal class HostPlayModeUpdateManifestOperation : UpdateManifestOperation
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{
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private enum ESteps
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{
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None,
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LoadWebManifestHash,
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CheckWebManifestHash,
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LoadWebManifest,
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CheckWebManifest,
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InitPrepareCache,
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UpdatePrepareCache,
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Done,
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}
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private static int RequestCount = 0;
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private readonly HostPlayModeImpl _impl;
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private readonly int _updateResourceVersion;
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private readonly int _timeout;
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private ESteps _steps = ESteps.None;
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private UnityWebRequester _downloaderHash;
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private UnityWebRequester _downloaderManifest;
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private float _verifyTime;
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public HostPlayModeUpdateManifestOperation(HostPlayModeImpl impl, int updateResourceVersion, int timeout)
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{
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_impl = impl;
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_updateResourceVersion = updateResourceVersion;
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_timeout = timeout;
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}
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internal override void Start()
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{
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RequestCount++;
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_steps = ESteps.LoadWebManifestHash;
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if (_impl.IgnoreResourceVersion && _updateResourceVersion > 0)
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{
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YooLogger.Warning($"Update resource version {_updateResourceVersion} is invalid when ignore resource version.");
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}
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else
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{
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YooLogger.Log($"Update patch manifest : update resource version is {_updateResourceVersion}");
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}
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}
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internal override void Update()
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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.LoadWebManifestHash)
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{
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string webURL = GetPatchManifestRequestURL(_updateResourceVersion, ResourceSettingData.Setting.PatchManifestHashFileName);
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YooLogger.Log($"Beginning to request patch manifest hash : {webURL}");
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_downloaderHash = new UnityWebRequester();
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_downloaderHash.SendRequest(webURL, _timeout);
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_steps = ESteps.CheckWebManifestHash;
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}
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if (_steps == ESteps.CheckWebManifestHash)
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{
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if (_downloaderHash.IsDone() == false)
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return;
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// Check fatal
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if (_downloaderHash.HasError())
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{
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Error = _downloaderHash.GetError();
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_downloaderHash.Dispose();
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_steps = ESteps.Done;
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Status = EOperationStatus.Failed;
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return;
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}
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// 获取补丁清单文件的哈希值
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string webManifestHash = _downloaderHash.GetText();
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_downloaderHash.Dispose();
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// 如果补丁清单文件的哈希值相同
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string currentFileHash = SandboxHelper.GetSandboxPatchManifestFileHash();
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if (currentFileHash == webManifestHash)
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{
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YooLogger.Log($"Patch manifest file hash is not change : {webManifestHash}");
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_steps = ESteps.InitPrepareCache;
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}
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else
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{
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YooLogger.Log($"Patch manifest hash is change : {webManifestHash} -> {currentFileHash}");
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_steps = ESteps.LoadWebManifest;
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}
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}
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if (_steps == ESteps.LoadWebManifest)
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{
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string webURL = GetPatchManifestRequestURL(_updateResourceVersion, ResourceSettingData.Setting.PatchManifestFileName);
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YooLogger.Log($"Beginning to request patch manifest : {webURL}");
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_downloaderManifest = new UnityWebRequester();
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_downloaderManifest.SendRequest(webURL, _timeout);
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_steps = ESteps.CheckWebManifest;
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}
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if (_steps == ESteps.CheckWebManifest)
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{
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if (_downloaderManifest.IsDone() == false)
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return;
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// Check fatal
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if (_downloaderManifest.HasError())
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{
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Error = _downloaderManifest.GetError();
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_downloaderManifest.Dispose();
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_steps = ESteps.Done;
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Status = EOperationStatus.Failed;
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return;
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}
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// 解析补丁清单
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ParseAndSaveRemotePatchManifest(_downloaderManifest.GetText());
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_downloaderManifest.Dispose();
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_steps = ESteps.InitPrepareCache;
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}
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if (_steps == ESteps.InitPrepareCache)
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{
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InitPrepareCache();
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_verifyTime = UnityEngine.Time.realtimeSinceStartup;
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_steps = ESteps.UpdatePrepareCache;
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}
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if (_steps == ESteps.UpdatePrepareCache)
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{
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if (UpdatePrepareCache())
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{
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_steps = ESteps.Done;
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Status = EOperationStatus.Succeed;
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float costTime = UnityEngine.Time.realtimeSinceStartup - _verifyTime;
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YooLogger.Log($"Verify files total time : {costTime}");
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}
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}
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}
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private string GetPatchManifestRequestURL(int updateResourceVersion, string fileName)
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{
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string url;
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// 轮流返回请求地址
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if (RequestCount % 2 == 0)
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url = _impl.GetPatchDownloadFallbackURL(updateResourceVersion, fileName);
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else
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url = _impl.GetPatchDownloadMainURL(updateResourceVersion, fileName);
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// 注意：在URL末尾添加时间戳
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if (_impl.IgnoreResourceVersion)
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url = $"{url}?{System.DateTime.UtcNow.Ticks}";
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return url;
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}
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private void ParseAndSaveRemotePatchManifest(string content)
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{
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_impl.LocalPatchManifest = PatchManifest.Deserialize(content);
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// 注意：这里会覆盖掉沙盒内的补丁清单文件
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YooLogger.Log("Save remote patch manifest file.");
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string savePath = PathHelper.MakePersistentLoadPath(ResourceSettingData.Setting.PatchManifestFileName);
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PatchManifest.Serialize(savePath, _impl.LocalPatchManifest);
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}
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#region 多线程相关
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private class ThreadInfo
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{
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public bool Result = false;
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public string FilePath { private set; get; }
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public PatchBundle Bundle { private set; get; }
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public ThreadInfo(string filePath, PatchBundle bundle)
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{
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FilePath = filePath;
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Bundle = bundle;
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}
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}
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private readonly List<PatchBundle> _cacheList = new List<PatchBundle>(1000);
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private readonly List<PatchBundle> _verifyList = new List<PatchBundle>(100);
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private readonly ThreadSyncContext _syncContext = new ThreadSyncContext();
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private const int VerifyMaxCount = 32;
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private void InitPrepareCache()
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{
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// 遍历所有文件然后验证并缓存合法文件
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foreach (var patchBundle in _impl.LocalPatchManifest.BundleList)
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{
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// 忽略缓存文件
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if (DownloadSystem.ContainsVerifyFile(patchBundle.Hash))
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continue;
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// 忽略APP资源
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// 注意：如果是APP资源并且哈希值相同，则不需要下载
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if (_impl.AppPatchManifest.Bundles.TryGetValue(patchBundle.BundleName, out PatchBundle appPatchBundle))
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{
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if (appPatchBundle.IsBuildin && appPatchBundle.Hash == patchBundle.Hash)
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continue;
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}
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// 查看文件是否存在
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string filePath = SandboxHelper.MakeSandboxCacheFilePath(patchBundle.Hash);
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if (File.Exists(filePath) == false)
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continue;
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_cacheList.Add(patchBundle);
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}
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}
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private bool UpdatePrepareCache()
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{
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_syncContext.Update();
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if (_cacheList.Count == 0 && _verifyList.Count == 0)
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return true;
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if (_verifyList.Count >= VerifyMaxCount)
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return false;
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for (int i = _cacheList.Count - 1; i >= 0; i--)
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{
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if (_verifyList.Count >= VerifyMaxCount)
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break;
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var patchBundle = _cacheList[i];
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if (RunThread(patchBundle))
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{
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_cacheList.RemoveAt(i);
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_verifyList.Add(patchBundle);
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}
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else
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{
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YooLogger.Warning("Failed to run verify thread.");
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break;
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}
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}
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return false;
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}
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private bool RunThread(PatchBundle patchBundle)
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{
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string filePath = SandboxHelper.MakeSandboxCacheFilePath(patchBundle.Hash);
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ThreadInfo info = new ThreadInfo(filePath, patchBundle);
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return ThreadPool.QueueUserWorkItem(new WaitCallback(VerifyFile), info);
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}
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private void VerifyFile(object infoObj)
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{
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// 验证沙盒内的文件
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ThreadInfo info = (ThreadInfo)infoObj;
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info.Result = DownloadSystem.CheckContentIntegrity(info.FilePath, info.Bundle.SizeBytes, info.Bundle.CRC);
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_syncContext.Post(VerifyCallback, info);
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}
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private void VerifyCallback(object obj)
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{
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ThreadInfo info = (ThreadInfo)obj;
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if (info.Result)
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DownloadSystem.CacheVerifyFile(info.Bundle.Hash, info.Bundle.BundleName);
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_verifyList.Remove(info.Bundle);
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}
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#endregion
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}
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} |