111 lines
4.5 KiB
C#
111 lines
4.5 KiB
C#
using Mlaumcherb.Client.Avalonia.зримое;
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using Mlaumcherb.Client.Avalonia.классы;
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using Mlaumcherb.Client.Avalonia.холопы;
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using static Mlaumcherb.Client.Avalonia.сеть.NetworkHelper;
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namespace Mlaumcherb.Client.Avalonia.сеть.TaskFactories;
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public class JavaDownloadTaskFactory : INetworkTaskFactory
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{
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private const string CATALOG_URL =
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"https://launchermeta.mojang.com/v1/products/java-runtime/2ec0cc96c44e5a76b9c8b7c39df7210883d12871/all.json";
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private GameVersionDescriptor _descriptor;
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private IOPath _javaVersionDir;
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private JavaDistributiveManifest? _distributiveManifest;
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private List<(IOPath path, JavaDistributiveElementProps props)> _filesToDownload = new();
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public JavaDownloadTaskFactory(GameVersionDescriptor descriptor)
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{
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_descriptor = descriptor;
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_javaVersionDir = PathHelper.GetJavaRuntimeDir(_descriptor.javaVersion.component);
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}
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public async Task<NetworkTask?> CreateAsync(bool checkHashes)
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{
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var catalog = await DownloadStringAndDeserialize<JavaVersionCatalog>(CATALOG_URL);
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var versionProps = catalog.GetVersionProps(_descriptor.javaVersion);
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_distributiveManifest = await DownloadStringAndDeserialize<JavaDistributiveManifest>(versionProps.manifest.url);
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NetworkTask? networkTask = null;
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if (!CheckFiles(checkHashes))
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networkTask = new(
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$"java runtime '{_descriptor.javaVersion.component}'",
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GetTotalSize(),
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Download
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);
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return networkTask;
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}
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private bool CheckFiles(bool checkHashes)
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{
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_filesToDownload.Clear();
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foreach (var pair in _distributiveManifest!.files)
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{
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if (pair.Value.type != "file")
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continue;
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if (pair.Value.downloads != null)
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{
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var artifact = pair.Value.downloads;
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IOPath file_path = Path.Concat(_javaVersionDir, pair.Key);
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if (!HashHelper.CheckFileSHA1(file_path, artifact.raw.sha1, checkHashes))
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{
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_filesToDownload.Add((file_path, pair.Value));
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}
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}
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}
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return _filesToDownload.Count == 0;
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}
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private long GetTotalSize()
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{
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long totalSize = 0;
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foreach (var file in _filesToDownload)
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{
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if(file.props.downloads == null)
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continue;
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totalSize += file.props.downloads.lzma?.size ?? file.props.downloads.raw.size;
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}
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return totalSize;
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}
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private async Task Download(NetworkProgressReporter pr, CancellationToken ct)
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{
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LauncherApp.Logger.LogInfo(nameof(NetworkHelper), "started downloading java runtime " +
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$"{_descriptor.javaVersion.majorVersion} '{_descriptor.javaVersion.component}'");
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ParallelOptions opt = new()
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{
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MaxDegreeOfParallelism = LauncherApp.Config.max_parallel_downloads,
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CancellationToken = ct
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};
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await Parallel.ForEachAsync(_filesToDownload, opt, async (f, _ct) =>
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{
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if (f.props.downloads!.lzma != null)
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{
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LauncherApp.Logger.LogDebug(nameof(NetworkHelper), $"downloading lzma-compressed file '{f.path}'");
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await using var pipe = new TransformStream(await GetStream(f.props.downloads.lzma.url, _ct));
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pipe.AddTransform(pr.AddBytesCount);
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await using var fs = File.OpenWrite(f.path);
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LZMAHelper.Decompress(pipe, fs);
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}
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else
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{
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LauncherApp.Logger.LogDebug(nameof(NetworkHelper), $"downloading raw file '{f.path}'");
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await DownloadFile(f.props.downloads.raw.url, f.path, _ct, pr.AddBytesCount);
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}
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if(!OperatingSystem.IsWindows() && f.props.executable is true)
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{
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LauncherApp.Logger.LogDebug(nameof(NetworkHelper), $"adding execute rights to file '{f.path}'");
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System.IO.File.SetUnixFileMode(f.path.ToString(), UnixFileMode.UserExecute);
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}
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});
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LauncherApp.Logger.LogInfo(nameof(NetworkHelper), "finished downloading java runtime " +
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$"{_descriptor.javaVersion.majorVersion} '{_descriptor.javaVersion.component}'");
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}
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} |