95 lines
3.4 KiB
C#
95 lines
3.4 KiB
C#
using FluidExplorer.Services;
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using Microsoft.UI.Dispatching;
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using Microsoft.UI.Xaml;
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namespace FluidExplorer;
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public partial class App : Application
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{
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/// <summary>启动阶段日志：WinUI 启动期的异常在窗口出现前就终止进程，必须落盘才能定位。</summary>
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private static readonly string LogPath = Path.Combine(AppContext.BaseDirectory, "startup.log");
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public App()
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{
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Log("App ctor: begin");
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InitializeComponent();
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Log("App ctor: InitializeComponent done");
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UnhandledException += OnUnhandledException;
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AppDomain.CurrentDomain.UnhandledException += (_, e) => Log($"AppDomain unhandled: {e.ExceptionObject}");
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TaskScheduler.UnobservedTaskException += (_, e) =>
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{
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Log($"Unobserved task exception: {e.Exception}");
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e.SetObserved();
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};
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// 诊断开关：宿主/非托管路径上的异常不会走 UnhandledException，需要首次异常钩子才能看到来源
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if (Environment.GetEnvironmentVariable("FLUID_DEBUG_EXPLOG") == "1")
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{
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AppDomain.CurrentDomain.FirstChanceException += (_, e) =>
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{
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var ex = e.Exception;
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var stack = ex.StackTrace ?? string.Empty;
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if (stack.Contains("FluidExplorer", StringComparison.Ordinal) || ex.Source?.Contains("FluidExplorer", StringComparison.Ordinal) == true)
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Log($"first-chance {ex.GetType().FullName}: {ex.Message}{Environment.NewLine}{stack}");
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};
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}
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}
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public static AppServices Services { get; private set; } = null!;
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/// <summary>当前主窗口（原版右键菜单、窗口图标、对话框都需要它的 HWND / XamlRoot）。</summary>
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public static MainWindow MainWindowInstance { get; private set; } = null!;
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protected override void OnLaunched(LaunchActivatedEventArgs args)
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{
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try
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{
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Log("OnLaunched: begin");
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Services = new AppServices(DispatcherQueue.GetForCurrentThread());
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Log("OnLaunched: services ready");
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Services.WireSearchIndex();
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Log("OnLaunched: search index wired");
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MainWindowInstance = new MainWindow(Services);
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Log("OnLaunched: window constructed");
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MainWindowInstance.Activate();
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Log("OnLaunched: window activated");
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}
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catch (Exception ex)
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{
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Log($"OnLaunched FAILED: {ex}");
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throw;
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}
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}
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internal static void Log(string message)
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{
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try
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{
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File.AppendAllText(LogPath, $"[{DateTime.Now:HH:mm:ss.fff}] {message}{Environment.NewLine}");
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}
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catch
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{
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// 日志失败绝不能影响主流程
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}
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}
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private static void OnUnhandledException(object sender, Microsoft.UI.Xaml.UnhandledExceptionEventArgs e)
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{
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Log($"XAML unhandled: {e.Message}{Environment.NewLine}{e.Exception}");
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try
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{
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var log = Path.Combine(
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Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
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"FluidExplorer", "crash.log");
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Directory.CreateDirectory(Path.GetDirectoryName(log)!);
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File.AppendAllText(log, $"[{DateTime.Now:O}] {e.Message}\n{e.Exception}\n\n");
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}
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catch
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{
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// 忽略
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}
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e.Handled = true;
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}
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}
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