/// <summary>
/// 获取下载列表
/// </summary>
private List <BundleInfo> GetDownloadList()
{
List <PatchBundle> downloadList = new List <PatchBundle>(1000);
foreach (var patchBundle in _remotePatchManifest.BundleList)
{
// 忽略缓存文件
if (DownloadSystem.ContainsVerifyFile(patchBundle.Hash))
{
continue;
}
// 忽略APP资源
// 注意：如果是APP资源并且哈希值相同，则不需要下载
if (_impl.AppPatchManifest.Bundles.TryGetValue(patchBundle.BundleName, out PatchBundle appPatchBundle))
{
if (appPatchBundle.IsBuildin && appPatchBundle.Hash == patchBundle.Hash)
{
continue;
}
}
// 注意：通过比对文件大小做快速的文件校验！
// 注意：在初始化的时候会去做最终校验！
string filePath = SandboxHelper.MakeCacheFilePath(patchBundle.Hash);
if (File.Exists(filePath))
{
long fileSize = FileUtility.GetFileSize(filePath);
if (fileSize == patchBundle.SizeBytes)
{
continue;
}
}
downloadList.Add(patchBundle);
}
return(_impl.ConvertToDownloadList(downloadList));
}
/// <summary>
/// 查询是否为验证文件
/// 注意：被收录的文件完整性是绝对有效的
/// </summary>
public static bool ContainsVerifyFile(string hash)
{
if (_cachedHashList.ContainsKey(hash))
{
string filePath = SandboxHelper.MakeCacheFilePath(hash);
if (File.Exists(filePath))
{
return(true);
}
else
{
string bundleName = _cachedHashList[hash];
_cachedHashList.Remove(hash);
YooLogger.Error($"Cache file is missing : {bundleName} Hash : {hash}");
return(false);
}
}
else
{
return(false);
}
}
private void InitVerifyingCache()
{
// 遍历所有文件然后验证并缓存合法文件
foreach (var patchBundle in _impl.LocalPatchManifest.BundleList)
{
// 忽略缓存文件
if (DownloadSystem.ContainsVerifyFile(patchBundle.Hash))
{
continue;
}
// 忽略APP资源
// 注意：如果是APP资源并且哈希值相同，则不需要下载
if (_impl.AppPatchManifest.Bundles.TryGetValue(patchBundle.BundleName, out PatchBundle appPatchBundle))
{
if (appPatchBundle.IsBuildin && appPatchBundle.Hash == patchBundle.Hash)
{
continue;
}
}
// 查看文件是否存在
string filePath = SandboxHelper.MakeCacheFilePath(patchBundle.Hash);
if (File.Exists(filePath) == false)
{
continue;
}
_waitingList.Add(patchBundle);
}
// 设置同时验证的最大数
ThreadPool.GetMaxThreads(out int workerThreads, out int ioThreads);
YooLogger.Log($"Work threads : {workerThreads}, IO threads : {ioThreads}");
_verifyMaxNum = Math.Min(workerThreads, ioThreads);
_verifyTotalCount = _waitingList.Count;
}
/// <summary>
/// 清空所有的缓存文件
/// </summary>
public static void ClearAllCacheFiles()
{
SandboxHelper.DeleteCacheFolder();
}
/// <summary>
/// 清空沙盒目录
/// </summary>
public static void ClearSandbox()
{
SandboxHelper.DeleteSandbox();
}
public static bool CheckContentIntegrity(PatchBundle patchBundle)
{
string filePath = SandboxHelper.MakeCacheFilePath(patchBundle.Hash);
return(CheckContentIntegrity(filePath, patchBundle.SizeBytes, patchBundle.CRC));
}