mirror of
https://github.com/wwiinnddyy/LanMountainDesktop.git
synced 2026-06-21 16:14:28 +08:00
refactor(launcher): replace LauncherFlowCoordinator with LaunchPipeline and slim App shell
Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
lincube
620
LanMountainDesktop.Launcher/Shell/LauncherCompositionRoot.cs
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620
LanMountainDesktop.Launcher/Shell/LauncherCompositionRoot.cs
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@@ -0,0 +1,620 @@
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using System.Diagnostics;
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using Avalonia.Controls.ApplicationLifetimes;
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using Avalonia.Threading;
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using LanMountainDesktop.Launcher.Models;
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using LanMountainDesktop.Launcher.Resources;
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using LanMountainDesktop.Launcher.Views;
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using LanMountainDesktop.Shared.Contracts.Launcher;
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using LanMountainDesktop.Shared.IPC;
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using LanMountainDesktop.Shared.IPC.Abstractions.Services;
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namespace LanMountainDesktop.Launcher.Shell;
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/// <summary>
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/// Launcher GUI 入口装配：创建编排器并驱动启动流程。
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/// </summary>
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internal static class LauncherCompositionRoot
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{
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public static LauncherOrchestrator CreateOrchestrator(
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CommandContext context,
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string appRoot,
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StartupAttemptRegistry startupAttemptRegistry,
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LauncherCoordinatorIpcServer coordinatorServer)
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{
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var deploymentLocator = new DeploymentLocator(appRoot);
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return new LauncherOrchestrator(
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context,
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deploymentLocator,
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new OobeStateService(appRoot),
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new UpdateEngineService(deploymentLocator),
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startupAttemptRegistry,
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coordinatorServer);
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}
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public static async Task RunOrchestratorWithSplashAsync(
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IClassicDesktopStyleApplicationLifetime desktop,
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CommandContext context,
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SplashWindow splashWindow)
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{
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LauncherResult result;
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SplashWindow? currentSplashWindow = splashWindow;
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var appRoot = Commands.ResolveAppRoot(context);
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var dataLocationResolver = new DataLocationResolver(appRoot);
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var startupAttemptRegistry = new StartupAttemptRegistry();
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var coordinatorPipeName = LauncherCoordinatorIpcServer.CreatePipeName();
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var successPolicy = LauncherOrchestrator.ResolveSuccessPolicyKey(context);
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if (!startupAttemptRegistry.TryReserveCoordinator(
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context.LaunchSource,
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successPolicy,
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coordinatorPipeName,
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out var reservedAttempt,
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out var activeCoordinatorAttempt))
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{
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result = await AttachToExistingCoordinatorAsync(
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context,
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currentSplashWindow,
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activeCoordinatorAttempt).ConfigureAwait(false);
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Logger.Info($"Secondary launcher completed. Success={result.Success}; Code='{result.Code}'.");
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await WriteLauncherResultAsync(context, result).ConfigureAwait(false);
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Environment.ExitCode = result.Success ? 0 : 1;
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await Dispatcher.UIThread.InvokeAsync(() => desktop.Shutdown(Environment.ExitCode), DispatcherPriority.Background);
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return;
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}
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using var airAppIpcHost = new LauncherAirAppLifecycleIpcHost(
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new LauncherAirAppLifecycleService(
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new AirAppProcessStarter(
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new AirAppHostLocator(),
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() => appRoot,
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() => null,
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() => dataLocationResolver.ResolveDataRoot())));
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airAppIpcHost.Start();
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using var coordinatorServer = new LauncherCoordinatorIpcServer(
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coordinatorPipeName,
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BuildCoordinatorStatusFromAttempt(reservedAttempt),
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HandleCoordinatorRequestAsync,
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startupAttemptRegistry.UpdateOwnedCoordinatorHeartbeat);
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coordinatorServer.Start();
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while (true)
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{
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try
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{
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Logger.Info(
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$"Coordinator start. Command='{context.Command}'; AppRoot='{appRoot}'; " +
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$"IsDebugMode={context.IsDebugMode}; LaunchSource='{context.LaunchSource}'; " +
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$"ResultPath='{context.GetOption("result") ?? "<none>"}'.");
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var orchestrator = CreateOrchestrator(
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context,
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appRoot,
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startupAttemptRegistry,
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coordinatorServer);
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result = await orchestrator.RunAsync(currentSplashWindow).ConfigureAwait(false);
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}
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catch (Exception ex)
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{
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Logger.Error("Coordinator threw an unhandled exception.", ex);
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result = new LauncherResult
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{
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Success = false,
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Stage = "launch",
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Code = "exception",
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Message = $"Launcher failed: {ex.Message}",
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ErrorMessage = ex.ToString()
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};
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}
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if (result.Success ||
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result.Code == "host_not_found" ||
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(!string.Equals(result.Stage, "launch", StringComparison.OrdinalIgnoreCase) &&
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!string.Equals(result.Stage, "launchHost", StringComparison.OrdinalIgnoreCase)))
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{
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break;
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}
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var failureAction = await ShowFailureWindowAsync(result).ConfigureAwait(false);
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if (failureAction == ErrorWindowResult.Exit)
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{
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break;
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}
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if (failureAction == ErrorWindowResult.ActivateExisting &&
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await TryActivateExistingInstanceAsync().ConfigureAwait(false))
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{
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result = new LauncherResult
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{
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Success = true,
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Stage = "launch",
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Code = "activation_requested",
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Message = "Launcher activated the existing desktop instance.",
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Details = result.Details
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};
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break;
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}
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currentSplashWindow = CreateSplashWindow();
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currentSplashWindow.Show();
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}
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Logger.Info($"Coordinator completed. Success={result.Success}; Stage='{result.Stage}'; Code='{result.Code}'.");
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await WriteLauncherResultAsync(context, result).ConfigureAwait(false);
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Environment.ExitCode = result.Success ? 0 : 1;
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if (result.Success)
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{
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var hostPid = ResolveManagedHostPid(result, startupAttemptRegistry.GetOwnedAttempt()?.HostPid ?? 0);
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await WaitForManagedProcessesToExitAsync(hostPid, airAppIpcHost.LifecycleService).ConfigureAwait(false);
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}
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await Dispatcher.UIThread.InvokeAsync(() => desktop.Shutdown(Environment.ExitCode), DispatcherPriority.Background);
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}
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public static async Task RunApplyUpdateWithWindowAsync(
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IClassicDesktopStyleApplicationLifetime desktop,
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CommandContext context,
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UpdateWindow window)
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{
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var appRoot = Commands.ResolveAppRoot(context);
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var deploymentLocator = new DeploymentLocator(appRoot);
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var updateEngine = new UpdateEngineService(deploymentLocator);
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var pluginInstaller = new PluginInstallerService();
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var pluginUpgrades = new PluginUpgradeQueueService(pluginInstaller);
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var success = true;
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string? errorMessage = null;
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try
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{
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await Dispatcher.UIThread.InvokeAsync(() => window.Report("verify", Strings.Update_Verifying, 10));
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var updateResult = await updateEngine.ApplyPendingUpdateAsync().ConfigureAwait(false);
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if (!updateResult.Success)
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{
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success = false;
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errorMessage = updateResult.Message;
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}
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if (success)
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{
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await Dispatcher.UIThread.InvokeAsync(() => window.Report("plugins", Strings.Update_ApplyingPlugins, 60));
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var pluginsDir = context.GetOption("plugins-dir") ?? Path.Combine(appRoot, "plugins");
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var queueResult = pluginUpgrades.ApplyPendingUpgrades(pluginsDir);
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if (!queueResult.Success && queueResult.Code != "noop")
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{
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Logger.Error($"Plugin upgrade failed during apply-update: {queueResult.Message}");
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}
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}
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if (success)
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{
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await Dispatcher.UIThread.InvokeAsync(() => window.Report("cleanup", Strings.Update_CleaningUp, 90));
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deploymentLocator.CleanupOldDeployments(minVersionsToKeep: 3);
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}
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}
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catch (Exception ex)
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{
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success = false;
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errorMessage = ex.Message;
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Logger.Error("Apply-update flow failed.", ex);
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}
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await Dispatcher.UIThread.InvokeAsync(() => window.ReportComplete(success, errorMessage));
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await Task.Delay(success ? 1500 : 5000).ConfigureAwait(false);
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await Commands.WriteResultIfNeededAsync(context.GetOption("result"), new LauncherResult
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{
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Success = success,
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Stage = "apply-update",
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Code = success ? "ok" : "failed",
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Message = success ? "Update applied successfully." : (errorMessage ?? "Unknown error"),
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Details = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
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{
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["command"] = context.Command,
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["launchSource"] = context.LaunchSource
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}
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}).ConfigureAwait(false);
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Environment.ExitCode = success ? 0 : 1;
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await Dispatcher.UIThread.InvokeAsync(() => desktop.Shutdown(Environment.ExitCode), DispatcherPriority.Background);
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}
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private static SplashWindow CreateSplashWindow()
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{
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var window = new SplashWindow();
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TrySetSplashVersionInfo(window, LauncherRuntimeContext.Current);
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return window;
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}
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private static void TrySetSplashVersionInfo(SplashWindow window, CommandContext context)
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{
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try
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{
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var appRoot = Commands.ResolveAppRoot(context);
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var versionInfo = new DeploymentLocator(appRoot).GetVersionInfo();
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window.SetVersionInfo(versionInfo.Version, versionInfo.Codename);
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}
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catch (Exception ex)
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{
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Logger.Warn($"Failed to set splash version info before coordinator start: {ex.Message}");
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}
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}
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private static int ResolveManagedHostPid(LauncherResult result, int fallbackHostPid)
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{
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if (result.Details.TryGetValue("hostPid", out var hostPidText) &&
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int.TryParse(hostPidText, out var hostPid))
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{
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return hostPid;
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}
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if (result.Details.TryGetValue("existingHostPid", out var existingHostPidText) &&
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int.TryParse(existingHostPidText, out var existingHostPid))
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{
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return existingHostPid;
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}
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return fallbackHostPid;
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}
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private static async Task WaitForManagedProcessesToExitAsync(
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int hostPid,
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LauncherAirAppLifecycleService airAppLifecycleService)
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{
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Logger.Info($"Launcher entering managed background lifetime. HostPid={hostPid}.");
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while (TryGetLiveProcess(hostPid) || airAppLifecycleService.HasLiveAirApps())
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{
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await Task.Delay(TimeSpan.FromSeconds(2)).ConfigureAwait(false);
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}
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Logger.Info("Launcher managed background lifetime completed; no host or Air APP process remains.");
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}
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private static async Task<LauncherResult> AttachToExistingCoordinatorAsync(
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CommandContext context,
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SplashWindow? splashWindow,
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StartupAttemptRecord? activeCoordinatorAttempt)
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{
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var reporter = splashWindow as ISplashStageReporter;
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reporter?.Report("activation", Strings.Preview_ActivationConnecting);
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if (activeCoordinatorAttempt is not null &&
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!string.IsNullOrWhiteSpace(activeCoordinatorAttempt.CoordinatorPipeName))
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{
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var command = string.Equals(context.LaunchSource, "restart", StringComparison.OrdinalIgnoreCase)
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? LauncherCoordinatorCommands.Attach
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: LauncherCoordinatorCommands.ActivateDesktop;
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var request = new LauncherCoordinatorRequest
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{
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Command = command,
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LaunchSource = context.LaunchSource,
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SuccessPolicy = LauncherOrchestrator.ResolveSuccessPolicyKey(context)
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};
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var response = await new LauncherCoordinatorIpcClient()
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.SendAsync(activeCoordinatorAttempt.CoordinatorPipeName, request, TimeSpan.FromSeconds(2))
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.ConfigureAwait(false);
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if (response is not null)
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{
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reporter?.Report("activation", response.Message);
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await DismissSplashIfNeededAsync(splashWindow).ConfigureAwait(false);
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var success = response.Accepted ||
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IsRecoverableActivationFailure(response.ActivationResult, response.Status);
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return new LauncherResult
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{
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Success = success,
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Stage = "launch",
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Code = success && !response.Accepted ? "attached_to_launcher_coordinator" : response.Code,
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Message = success && !response.Accepted
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? "Attached to the active Launcher coordinator; desktop startup is still in progress."
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: response.Message,
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Details = BuildCoordinatorResultDetails(response.Status, response.ActivationResult)
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};
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}
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}
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var activation = await TryActivateExistingInstanceWithStatusAsync(TimeSpan.FromSeconds(2)).ConfigureAwait(false);
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if (activation is not null)
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{
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reporter?.Report("activation", activation.Message);
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await DismissSplashIfNeededAsync(splashWindow).ConfigureAwait(false);
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var success = activation.Accepted || IsRecoverableActivationFailure(activation, null);
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return new LauncherResult
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{
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Success = success,
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Stage = "launch",
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Code = activation.Accepted
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? "existing_host_activated"
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: success
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? "existing_host_startup_pending"
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: "existing_host_activation_failed",
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Message = success && !activation.Accepted
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? "Existing desktop process is still starting; Launcher attached without starting another process."
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: activation.Message,
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Details = BuildCoordinatorResultDetails(null, activation)
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};
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}
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await DismissSplashIfNeededAsync(splashWindow).ConfigureAwait(false);
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return new LauncherResult
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{
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Success = false,
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Stage = "launch",
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Code = "launcher_coordinator_unavailable",
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Message = "Another Launcher is coordinating startup, but it did not respond in time.",
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Details = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
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{
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["activeCoordinatorPid"] = activeCoordinatorAttempt?.CoordinatorPid.ToString() ?? string.Empty,
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["activeCoordinatorPipeName"] = activeCoordinatorAttempt?.CoordinatorPipeName ?? string.Empty,
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["activeAttemptId"] = activeCoordinatorAttempt?.AttemptId ?? string.Empty,
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["activeHostPid"] = activeCoordinatorAttempt?.HostPid.ToString() ?? string.Empty
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}
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};
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}
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private static async Task<LauncherCoordinatorResponse> HandleCoordinatorRequestAsync(
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LauncherCoordinatorRequest request,
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LauncherCoordinatorStatus status)
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{
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if (string.Equals(request.Command, LauncherCoordinatorCommands.ActivateDesktop, StringComparison.OrdinalIgnoreCase))
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{
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var activation = await TryActivateExistingInstanceWithStatusAsync(TimeSpan.FromSeconds(2)).ConfigureAwait(false);
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if (activation is not null)
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{
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if (!activation.Accepted && IsRecoverableActivationFailure(activation, status))
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{
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return new LauncherCoordinatorResponse
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{
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Accepted = true,
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Code = "attached_to_launcher_coordinator",
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Message = "Attached to the active Launcher coordinator; desktop startup is still in progress.",
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Status = status,
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ActivationResult = activation
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};
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}
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|
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return new LauncherCoordinatorResponse
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{
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Accepted = activation.Accepted,
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Code = activation.Accepted ? "existing_host_activated" : "existing_host_activation_failed",
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Message = activation.Message,
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Status = status,
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ActivationResult = activation
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};
|
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}
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|
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return new LauncherCoordinatorResponse
|
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{
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Accepted = true,
|
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Code = "attached_to_launcher_coordinator",
|
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Message = "Attached to the active Launcher coordinator; desktop startup is still in progress.",
|
||||
Status = status
|
||||
};
|
||||
}
|
||||
|
||||
return new LauncherCoordinatorResponse
|
||||
{
|
||||
Accepted = true,
|
||||
Code = "attached_to_launcher_coordinator",
|
||||
Message = "Attached to the active Launcher coordinator.",
|
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Status = status
|
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};
|
||||
}
|
||||
|
||||
private static LauncherCoordinatorStatus BuildCoordinatorStatusFromAttempt(StartupAttemptRecord attempt)
|
||||
{
|
||||
return new LauncherCoordinatorStatus
|
||||
{
|
||||
AttemptId = attempt.AttemptId,
|
||||
CoordinatorPid = Environment.ProcessId,
|
||||
HostPid = attempt.HostPid,
|
||||
HostProcessAlive = TryGetLiveProcess(attempt.HostPid),
|
||||
LaunchSource = attempt.LaunchSource,
|
||||
SuccessPolicy = attempt.SuccessPolicy,
|
||||
LastObservedStage = attempt.LastObservedStage,
|
||||
LastObservedMessage = attempt.LastObservedMessage,
|
||||
PublicIpcConnected = attempt.PublicIpcConnected || attempt.IpcConnected,
|
||||
State = attempt.State.ToString(),
|
||||
SoftTimeoutShown = attempt.State is StartupAttemptState.SoftTimeout or StartupAttemptState.DetachedWaiting,
|
||||
Completed = attempt.State is StartupAttemptState.Succeeded or StartupAttemptState.Failed,
|
||||
Succeeded = attempt.State == StartupAttemptState.Succeeded,
|
||||
UpdatedAtUtc = attempt.UpdatedAtUtc
|
||||
};
|
||||
}
|
||||
|
||||
private static bool IsRecoverableActivationFailure(
|
||||
PublicShellActivationResult? activation,
|
||||
LauncherCoordinatorStatus? status)
|
||||
{
|
||||
if (activation is { Accepted: true })
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
if (status is { Completed: false, HostProcessAlive: true })
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
var shellStatus = activation?.Status;
|
||||
if (shellStatus is null || !shellStatus.PublicIpcReady)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
return !shellStatus.MainWindowOpened ||
|
||||
!shellStatus.DesktopVisible ||
|
||||
string.Equals(activation?.Code, "shell_not_ready", StringComparison.OrdinalIgnoreCase) ||
|
||||
string.Equals(activation?.Code, "startup_pending", StringComparison.OrdinalIgnoreCase);
|
||||
}
|
||||
|
||||
private static Dictionary<string, string> BuildCoordinatorResultDetails(
|
||||
LauncherCoordinatorStatus? status,
|
||||
PublicShellActivationResult? activation)
|
||||
{
|
||||
return new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
|
||||
{
|
||||
["coordinatorPid"] = status?.CoordinatorPid.ToString() ?? string.Empty,
|
||||
["coordinatorAttemptId"] = status?.AttemptId ?? string.Empty,
|
||||
["hostPid"] = status?.HostPid.ToString() ?? activation?.Status.ProcessId.ToString() ?? string.Empty,
|
||||
["hostProcessAlive"] = status?.HostProcessAlive.ToString() ?? string.Empty,
|
||||
["publicIpcConnected"] = (status?.PublicIpcConnected ?? activation is not null).ToString(),
|
||||
["startupStage"] = status?.LastObservedStage.ToString() ?? string.Empty,
|
||||
["startupState"] = status?.State ?? string.Empty,
|
||||
["activationAccepted"] = activation?.Accepted.ToString() ?? string.Empty,
|
||||
["shellState"] = activation?.Status.ShellState ?? status?.ShellStatus?.ShellState ?? string.Empty,
|
||||
["trayState"] = activation?.Status.Tray.State ?? status?.ShellStatus?.Tray.State ?? string.Empty,
|
||||
["taskbarUsable"] = activation?.Status.Taskbar.IsUsable.ToString() ?? status?.ShellStatus?.Taskbar.IsUsable.ToString() ?? string.Empty
|
||||
};
|
||||
}
|
||||
|
||||
private static async Task DismissSplashIfNeededAsync(SplashWindow? splashWindow)
|
||||
{
|
||||
if (splashWindow is null)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
try
|
||||
{
|
||||
await splashWindow.DismissAsync().ConfigureAwait(false);
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
Logger.Warn($"Failed to dismiss splash after coordinator attach: {ex.Message}");
|
||||
}
|
||||
}
|
||||
|
||||
private static async Task WriteLauncherResultAsync(CommandContext context, LauncherResult result)
|
||||
{
|
||||
var resultPath = context.GetOption("result");
|
||||
if (string.IsNullOrWhiteSpace(resultPath))
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
try
|
||||
{
|
||||
await Commands.WriteResultIfNeededAsync(resultPath, result).ConfigureAwait(false);
|
||||
Logger.Info($"Launcher result written to '{Path.GetFullPath(resultPath)}'.");
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
Logger.Error($"Failed to write launcher result to '{resultPath}'.", ex);
|
||||
}
|
||||
}
|
||||
|
||||
private static async Task<ErrorWindowResult> ShowFailureWindowAsync(LauncherResult result)
|
||||
{
|
||||
ErrorWindow? errorWindow = null;
|
||||
var hostProcessAlive = result.Details.TryGetValue("hostProcessAlive", out var hostProcessAliveText) &&
|
||||
bool.TryParse(hostProcessAliveText, out var hostProcessAliveValue) &&
|
||||
hostProcessAliveValue;
|
||||
var hostPid = result.Details.TryGetValue("hostPid", out var hostPidText) &&
|
||||
int.TryParse(hostPidText, out var parsedPid)
|
||||
? parsedPid
|
||||
: (int?)null;
|
||||
|
||||
await Dispatcher.UIThread.InvokeAsync(() =>
|
||||
{
|
||||
try
|
||||
{
|
||||
errorWindow = new ErrorWindow();
|
||||
if (hostProcessAlive)
|
||||
{
|
||||
errorWindow.ConfigureForRunningHostFailure(hostPid);
|
||||
}
|
||||
else
|
||||
{
|
||||
errorWindow.ConfigureForGenericFailure(allowRetry: true);
|
||||
}
|
||||
|
||||
errorWindow.SetErrorMessage(
|
||||
$"Failed to start LanMountainDesktop.\n\nStage: {result.Stage}\nCode: {result.Code}\n\n{result.Message}");
|
||||
errorWindow.Show();
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
Logger.Error("Failed to show launcher failure window.", ex);
|
||||
}
|
||||
});
|
||||
|
||||
if (errorWindow is null)
|
||||
{
|
||||
return ErrorWindowResult.Exit;
|
||||
}
|
||||
|
||||
try
|
||||
{
|
||||
return await errorWindow.WaitForChoiceAsync().ConfigureAwait(false);
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
Logger.Error("Failure window closed unexpectedly.", ex);
|
||||
return ErrorWindowResult.Exit;
|
||||
}
|
||||
}
|
||||
|
||||
private static async Task<bool> TryActivateExistingInstanceAsync()
|
||||
{
|
||||
var activation = await TryActivateExistingInstanceWithStatusAsync(TimeSpan.FromSeconds(5)).ConfigureAwait(false);
|
||||
return activation?.Accepted == true;
|
||||
}
|
||||
|
||||
private static async Task<PublicShellActivationResult?> TryActivateExistingInstanceWithStatusAsync(TimeSpan timeout)
|
||||
{
|
||||
try
|
||||
{
|
||||
using var ipcClient = new LanMountainDesktopIpcClient();
|
||||
var connectTask = ipcClient.ConnectAsync();
|
||||
var completedTask = await Task.WhenAny(connectTask, Task.Delay(timeout)).ConfigureAwait(false);
|
||||
if (completedTask != connectTask)
|
||||
{
|
||||
return null;
|
||||
}
|
||||
|
||||
await connectTask.ConfigureAwait(false);
|
||||
if (!ipcClient.IsConnected)
|
||||
{
|
||||
return null;
|
||||
}
|
||||
|
||||
var shellProxy = ipcClient.CreateProxy<IPublicShellControlService>();
|
||||
var activationTask = shellProxy.ActivateMainWindowWithStatusAsync();
|
||||
completedTask = await Task.WhenAny(activationTask, Task.Delay(timeout)).ConfigureAwait(false);
|
||||
if (completedTask != activationTask)
|
||||
{
|
||||
return null;
|
||||
}
|
||||
|
||||
return await activationTask.ConfigureAwait(false);
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
Logger.Warn($"Failed to activate the existing desktop instance: {ex.Message}");
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
private static bool TryGetLiveProcess(int processId)
|
||||
{
|
||||
if (processId <= 0)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
try
|
||||
{
|
||||
using var process = Process.GetProcessById(processId);
|
||||
return !process.HasExited;
|
||||
}
|
||||
catch
|
||||
{
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user