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LanMountainDesktop/LanMountainDesktop.Launcher/Deployment/DeploymentLocator.cs

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using System.Globalization;
using System.Text.Json;
using LanMountainDesktop.Launcher.Models;
using LanMountainDesktop.Shared.Contracts.Launcher;
namespace LanMountainDesktop.Launcher.Deployment;
internal sealed class DeploymentLocator
{
private readonly string _appRoot;
public DeploymentLocator(string appRoot)
{
_appRoot = appRoot;
}
public string GetAppRoot() => _appRoot;
public string? FindCurrentDeploymentDirectory()
{
Console.WriteLine("[DeploymentLocator] Searching for deployment directories (ClassIsland style)...");
if (!Directory.Exists(_appRoot))
{
Console.WriteLine("[DeploymentLocator] App root directory does not exist");
return null;
}
var executable = OperatingSystem.IsWindows() ? "LanMountainDesktop.exe" : "LanMountainDesktop";
try
{
var candidates = Directory.GetDirectories(_appRoot, "app-*", SearchOption.TopDirectoryOnly);
Console.WriteLine($"[DeploymentLocator] Found {candidates.Length} app-* directories");
var validInstallations = candidates
.Where(path =>
{
var hasDestroy = File.Exists(Path.Combine(path, ".destroy"));
var hasPartial = File.Exists(Path.Combine(path, ".partial"));
var hasExe = File.Exists(Path.Combine(path, executable));
var hasCurrent = File.Exists(Path.Combine(path, ".current"));
var version = ParseVersionFromDirectory(path);
Console.WriteLine($"[DeploymentLocator] Candidate: {Path.GetFileName(path)} | " +
$"Version={version} | " +
$"Current={hasCurrent} | " +
$"Destroy={hasDestroy} | " +
$"Partial={hasPartial} | " +
$"HasExe={hasExe}");
return !hasDestroy && !hasPartial && hasExe;
})
.Select(path => new
{
Path = path,
Version = ParseVersionFromDirectory(path),
HasCurrentMarker = File.Exists(Path.Combine(path, ".current"))
})
.OrderBy(x => x.HasCurrentMarker ? 0 : 1) // .current 鏍囪鐨勬帓鍓嶉潰
.ThenByDescending(x => x.Version) // 鐒跺悗鎸夌増鏈彿闄嶅簭
.ToList();
if (validInstallations.Count == 0)
{
Console.WriteLine("[DeploymentLocator] No valid deployment directories found");
return null;
}
var best = validInstallations[0];
Console.WriteLine($"[DeploymentLocator] Selected: {Path.GetFileName(best.Path)} (current={best.HasCurrentMarker}, version={best.Version})");
return best.Path;
}
catch (Exception ex)
{
Console.Error.WriteLine($"[DeploymentLocator] Error searching for deployments: {ex}");
return null;
}
}
public HostResolutionResult ResolveHostExecutable(CommandContext context)
{
ArgumentNullException.ThrowIfNull(context);
var executable = OperatingSystem.IsWindows() ? "LanMountainDesktop.exe" : "LanMountainDesktop";
var searchedPaths = new List<string>();
var explicitAppRoot = context.ExplicitAppRoot;
var devModeConfigIgnored = !context.IsDebugMode && Views.ErrorWindow.CheckDevModeEnabled();
Logger.Info($"=== HOST RESOLUTION START ===");
Logger.Info($" AppRoot: {_appRoot}");
Logger.Info($" Executable: {executable}");
Logger.Info($" IsDebugMode: {context.IsDebugMode}");
Logger.Info($" ExplicitAppRoot: {explicitAppRoot ?? "<none>"}");
Logger.Info($" LauncherBaseDirectory: {AppContext.BaseDirectory}");
string? resolvedPath;
string? source;
if (!string.IsNullOrWhiteSpace(explicitAppRoot))
{
Logger.Info($"Trying explicit app root: {explicitAppRoot}");
var explicitRoot = Path.GetFullPath(explicitAppRoot);
resolvedPath = TryResolveExplicitAppRoot(explicitRoot, executable, searchedPaths, out source);
}
else
{
Logger.Info("Trying published or portable host...");
resolvedPath = TryResolvePublishedOrPortableHost(executable, searchedPaths, out source);
}
if (resolvedPath is null && context.IsDebugMode)
{
Logger.Info("Debug mode: trying debug host paths...");
resolvedPath = TryResolveDebugHost(executable, searchedPaths, out source);
}
if (resolvedPath is null)
{
Logger.Warn("Standard resolution failed, trying legacy fallback...");
resolvedPath = ResolveHostExecutablePathLegacy();
if (!string.IsNullOrWhiteSpace(resolvedPath))
{
searchedPaths.Add(Path.GetFullPath(resolvedPath));
source = "legacy_fallback";
Logger.Info($"Legacy fallback found: {resolvedPath}");
}
}
Logger.Info($"=== HOST RESOLUTION RESULT ===");
Logger.Info($" Success: {!string.IsNullOrWhiteSpace(resolvedPath)}");
Logger.Info($" ResolvedPath: {resolvedPath ?? "<NOT FOUND>"}");
Logger.Info($" Source: {source ?? "<none>"}");
Logger.Info($" SearchedPaths ({searchedPaths.Count}):");
foreach (var path in searchedPaths.Take(10))
{
Logger.Info($" - {path}");
}
if (searchedPaths.Count > 10)
{
Logger.Info($" ... and {searchedPaths.Count - 10} more");
}
if (string.IsNullOrWhiteSpace(resolvedPath))
{
Logger.Error("CRITICAL: Could not resolve host executable path!");
Console.Error.WriteLine("[CRITICAL] Could not find main application executable!");
Console.Error.WriteLine($"[CRITICAL] Searched {searchedPaths.Count} locations:");
foreach (var path in searchedPaths.Take(5))
{
Console.Error.WriteLine($"[CRITICAL] - {path}");
}
}
return new HostResolutionResult
{
Success = !string.IsNullOrWhiteSpace(resolvedPath),
ResolvedHostPath = resolvedPath,
ResolutionSource = source,
AppRoot = _appRoot,
ExplicitAppRoot = explicitAppRoot,
DevModeConfigIgnored = devModeConfigIgnored,
SearchedPaths = searchedPaths
.Where(path => !string.IsNullOrWhiteSpace(path))
.Distinct(StringComparer.OrdinalIgnoreCase)
.ToList()
};
}
public string? ResolveHostExecutablePath()
{
return ResolveHostExecutablePathLegacy();
}
private string? TryResolveExplicitAppRoot(
string explicitRoot,
string executable,
List<string> searchedPaths,
out string? source)
{
var directPath = Path.Combine(explicitRoot, executable);
searchedPaths.Add(directPath);
if (File.Exists(directPath))
{
source = "explicit_app_root_direct";
return directPath;
}
var deployment = FindBestDeploymentHost(explicitRoot, executable, searchedPaths);
if (deployment is not null)
{
source = "explicit_app_root_deployment";
return deployment;
}
source = null;
return null;
}
private string? TryResolvePublishedOrPortableHost(
string executable,
List<string> searchedPaths,
out string? source)
{
var deployment = FindBestDeploymentHost(_appRoot, executable, searchedPaths);
if (deployment is not null)
{
source = "published_deployment";
return deployment;
}
var portableCandidates = new[]
{
Path.Combine(_appRoot, executable),
Path.Combine(AppContext.BaseDirectory, executable)
};
foreach (var candidate in portableCandidates
.Select(Path.GetFullPath)
.Distinct(StringComparer.OrdinalIgnoreCase))
{
searchedPaths.Add(candidate);
if (File.Exists(candidate))
{
source = "portable_host";
return candidate;
}
}
source = null;
return null;
}
private string? TryResolveDebugHost(
string executable,
List<string> searchedPaths,
out string? source)
{
if (Views.ErrorWindow.CheckDevModeEnabled())
{
var savedCustomPath = Views.ErrorWindow.GetSavedCustomHostPath();
if (!string.IsNullOrWhiteSpace(savedCustomPath))
{
if (TryNormalizeSavedDebugPath(savedCustomPath, out var fullSavedPath))
{
searchedPaths.Add(fullSavedPath);
if (File.Exists(fullSavedPath))
{
source = "debug_saved_custom_path";
return fullSavedPath;
}
Logger.Warn($"Saved launcher debug host path is invalid; falling back to development paths. Path='{fullSavedPath}'.");
}
}
}
foreach (var devPath in GetDevelopmentPaths(executable))
{
var fullPath = Path.GetFullPath(devPath);
searchedPaths.Add(fullPath);
if (File.Exists(fullPath))
{
source = "debug_build_output";
return fullPath;
}
}
source = null;
return null;
}
private static bool TryNormalizeSavedDebugPath(string savedPath, out string fullSavedPath)
{
try
{
fullSavedPath = Path.GetFullPath(savedPath);
return true;
}
catch (Exception ex)
{
fullSavedPath = string.Empty;
Logger.Warn($"Saved launcher debug host path is invalid and cannot be normalized; falling back to development paths. Path='{savedPath}'; Error='{ex.Message}'.");
return false;
}
}
private static string? FindBestDeploymentHost(
string root,
string executable,
List<string> searchedPaths)
{
if (!Directory.Exists(root))
{
searchedPaths.Add(Path.Combine(root, "app-*", executable));
return null;
}
var appDirs = Directory.GetDirectories(root, "app-*", SearchOption.TopDirectoryOnly)
.Where(path => !File.Exists(Path.Combine(path, ".destroy")))
.Where(path => !File.Exists(Path.Combine(path, ".partial")))
.Select(path => new
{
Path = path,
HostPath = Path.Combine(path, executable),
HasCurrent = File.Exists(Path.Combine(path, ".current")),
Version = ParseVersionFromDirectory(path)
})
.OrderByDescending(item => item.HasCurrent)
.ThenByDescending(item => item.Version)
.ToList();
foreach (var candidate in appDirs)
{
searchedPaths.Add(candidate.HostPath);
if (File.Exists(candidate.HostPath))
{
return candidate.HostPath;
}
}
if (appDirs.Count == 0)
{
searchedPaths.Add(Path.Combine(root, "app-*", executable));
}
return null;
}
private string? ResolveHostExecutablePathLegacy()
{
var executable = OperatingSystem.IsWindows() ? "LanMountainDesktop.exe" : "LanMountainDesktop";
// 1. 棣栧厛鏌ユ壘 app-{version} 鐩綍锛堢敓浜х幆澧冿級
var currentDeployment = FindCurrentDeploymentDirectory();
if (!string.IsNullOrWhiteSpace(currentDeployment))
{
var inDeployment = Path.Combine(currentDeployment, executable);
if (File.Exists(inDeployment))
{
return inDeployment;
}
}
var inRoot = Path.Combine(_appRoot, executable);
if (File.Exists(inRoot))
{
return inRoot;
}
var parent = Path.GetFullPath(Path.Combine(_appRoot, ".."));
var inParent = Path.Combine(parent, executable);
if (File.Exists(inParent))
{
return inParent;
}
// 4. 寮€鍙戞ā寮忥細濡傛灉鍚敤浜嗗紑鍙戞ā寮忥紝浼樺厛浣跨敤淇濆瓨鐨勮嚜瀹氫箟璺緞
if (Views.ErrorWindow.CheckDevModeEnabled())
{
var savedCustomPath = Views.ErrorWindow.GetSavedCustomHostPath();
if (!string.IsNullOrWhiteSpace(savedCustomPath))
{
if (TryNormalizeSavedDebugPath(savedCustomPath, out var fullSavedPath) &&
File.Exists(fullSavedPath))
{
return fullSavedPath;
}
else if (!string.IsNullOrWhiteSpace(fullSavedPath))
{
Logger.Warn($"Saved launcher debug host path is invalid; falling back to development paths. Path='{fullSavedPath}'.");
}
}
var devPath = ScanDevelopmentPaths(executable);
if (!string.IsNullOrWhiteSpace(devPath))
{
return devPath;
}
}
// 5. 寮€鍙戞ā寮忥細鏌ユ壘涓荤▼搴忛」鐩殑杈撳嚭鐩綍
var devPaths = GetDevelopmentPaths(executable);
foreach (var devPath in devPaths)
{
if (File.Exists(devPath))
{
return devPath;
}
}
return null;
}
/// <summary>
/// 鎵弿寮€鍙戣矾寰勶紙寮€鍙戞ā寮忥級
/// </summary>
private static string? ScanDevelopmentPaths(string executable)
{
var solutionRoot = Path.GetFullPath(Path.Combine(AppContext.BaseDirectory, "..", "..", "..", ".."));
var possiblePaths = new[]
{
// 标准开发路径:解决方案根目录下的 LanMountainDesktop 项目
Path.Combine(solutionRoot, "LanMountainDesktop", "bin", "Debug", "net10.0", executable),
Path.Combine(solutionRoot, "LanMountainDesktop", "bin", "Release", "net10.0", executable),
// 向后兼容
Path.Combine(AppContext.BaseDirectory, "..", "..", "LanMountainDesktop", "bin", "Debug", "net10.0", executable),
Path.Combine(AppContext.BaseDirectory, "..", "..", "LanMountainDesktop", "bin", "Release", "net10.0", executable),
// dev-test 目录
Path.Combine(solutionRoot, "dev-test", "app-1.0.0-dev", executable),
};
foreach (var path in possiblePaths.Select(Path.GetFullPath).Distinct())
{
Logger.Info($"Scanning development path: {path}");
if (File.Exists(path))
{
Logger.Info($"Found host at: {path}");
return path;
}
}
return null;
}
/// <summary>
/// 鑾峰彇寮€鍙戞ā寮忥細鏌ユ壘涓荤▼搴忚経
/// </summary>
private static IEnumerable<string> GetDevelopmentPaths(string executable)
{
var launcherDir = AppContext.BaseDirectory;
// 计算解决方案根目录:从 LanMountainDesktop.Launcher\bin\Debug\net10.0\ 向上4级
var solutionRoot = Path.GetFullPath(Path.Combine(launcherDir, "..", "..", "..", ".."));
var possiblePaths = new[]
{
// 标准开发路径:解决方案根目录下的 LanMountainDesktop 项目
Path.Combine(solutionRoot, "LanMountainDesktop", "bin", "Debug", "net10.0", executable),
Path.Combine(solutionRoot, "LanMountainDesktop", "bin", "Release", "net10.0", executable),
// 向后兼容:如果 Launcher 在特殊目录结构中
Path.Combine(launcherDir, "..", "..", "LanMountainDesktop", "bin", "Debug", "net10.0", executable),
Path.Combine(launcherDir, "..", "..", "LanMountainDesktop", "bin", "Release", "net10.0", executable),
// dev-test 目录
Path.Combine(solutionRoot, "dev-test", "app-1.0.0-dev", executable),
};
return possiblePaths.Select(Path.GetFullPath).Distinct();
}
public string GetCurrentVersion()
{
var deployment = FindCurrentDeploymentDirectory();
if (string.IsNullOrWhiteSpace(deployment))
{
return "0.0.0";
}
return ParseVersionTextFromDirectory(deployment) ?? "0.0.0";
}
public string BuildNextDeploymentDirectory(string targetVersion)
{
var sanitized = string.IsNullOrWhiteSpace(targetVersion) ? "0.0.0" : targetVersion.Trim();
var index = 0;
while (true)
{
var candidate = Path.Combine(_appRoot, $"app-{sanitized}-{index.ToString(CultureInfo.InvariantCulture)}");
if (!Directory.Exists(candidate))
{
return candidate;
}
index++;
}
}
/// <summary>
/// 娓呯悊鏃х増鏈儴缃诧紝淇濈暀鏈€杩戠殑N涓増鏈? /// </summary>
/// <param name="minVersionsToKeep">鏈€灏戜繚鐣欑増鏈暟锛岄粯璁?涓?/param>
public void CleanupOldDeployments(int minVersionsToKeep = 3)
{
try
{
Console.WriteLine($"[DeploymentLocator] Starting cleanup with retention policy: keep at least {minVersionsToKeep} versions");
if (!Directory.Exists(_appRoot))
{
return;
}
var candidates = Directory.GetDirectories(_appRoot, "app-*", SearchOption.TopDirectoryOnly);
var validDeployments = candidates
.Where(path => !File.Exists(Path.Combine(path, ".partial")))
.Select(path => new
{
Path = path,
Version = ParseVersionFromDirectory(path),
IsDestroyed = File.Exists(Path.Combine(path, ".destroy")),
IsCurrent = File.Exists(Path.Combine(path, ".current"))
})
.OrderByDescending(item => item.Version)
.ToList();
Console.WriteLine($"[DeploymentLocator] Found {validDeployments.Count} valid deployments");
// 纭畾瑕佷繚鐣欑殑鐗堟湰
var versionsToKeep = new HashSet<string>();
// 1. 鎬绘槸淇濈暀褰撳墠鐗堟湰
var currentVersion = validDeployments.FirstOrDefault(d => d.IsCurrent);
if (currentVersion != null)
{
versionsToKeep.Add(currentVersion.Path);
Console.WriteLine($"[DeploymentLocator] Keep current version: {currentVersion.Path}");
}
// 2. 淇濈暀鏈€杩戠殑N涓湁鏁堢増鏈紙涓嶅寘鎷凡鏍囪destroy鐨勶級
var activeVersions = validDeployments
.Where(d => !d.IsDestroyed)
.Take(minVersionsToKeep)
.ToList();
foreach (var ver in activeVersions)
{
versionsToKeep.Add(ver.Path);
Console.WriteLine($"[DeploymentLocator] Keep recent version: {ver.Path}");
}
// 3. 淇濈暀鏈夊揩鐓х殑鐗堟湰锛堢敤浜庡洖婊氾級
var resolver = new DataLocationResolver(_appRoot);
var snapshotDir = Path.Combine(resolver.ResolveLauncherDataPath(), "snapshots");
if (Directory.Exists(snapshotDir))
{
try
{
var snapshotFiles = Directory
.GetFiles(snapshotDir, "*.json", SearchOption.TopDirectoryOnly)
.OrderByDescending(File.GetCreationTimeUtc)
.Take(Math.Max(1, minVersionsToKeep))
.ToArray();
foreach (var snapshotFile in snapshotFiles)
{
try
{
var json = File.ReadAllText(snapshotFile);
var snapshot = System.Text.Json.JsonSerializer.Deserialize(json, AppJsonContext.Default.SnapshotMetadata);
if (snapshot != null && !string.IsNullOrEmpty(snapshot.SourceDirectory))
{
if (Directory.Exists(snapshot.SourceDirectory))
{
versionsToKeep.Add(snapshot.SourceDirectory);
Console.WriteLine($"[DeploymentLocator] Keep version for rollback: {snapshot.SourceDirectory}");
}
}
}
catch
{
// 蹇界暐蹇収瑙f瀽閿欒
}
}
}
catch
{
// 蹇界暐蹇収鐩綍璁块棶閿欒
}
}
// 娓呯悊涓嶉渶瑕佺殑鐗堟湰
foreach (var deployment in validDeployments)
{
if (versionsToKeep.Contains(deployment.Path))
{
if (deployment.IsDestroyed)
{
try
{
File.Delete(Path.Combine(deployment.Path, ".destroy"));
Console.WriteLine($"[DeploymentLocator] Unmarked for deletion (kept): {deployment.Path}");
}
catch
{
// 蹇界暐鍙栨秷鏍囪澶辫触
}
}
continue;
}
if (!deployment.IsDestroyed)
{
try
{
File.WriteAllText(Path.Combine(deployment.Path, ".destroy"), string.Empty);
Console.WriteLine($"[DeploymentLocator] Marked for deletion: {deployment.Path}");
}
catch
{
// 蹇界暐鏍囪澶辫触
}
}
// 灏濊瘯鍒犻櫎
try
{
Directory.Delete(deployment.Path, recursive: true);
Console.WriteLine($"[DeploymentLocator] Deleted: {deployment.Path}");
}
catch
{
// 蹇界暐鍒犻櫎澶辫触(鍙兘鏂囦欢琚崰鐢?,涓嬫鍚姩鍐嶈瘯
Console.WriteLine($"[DeploymentLocator] Failed to delete (will retry later): {deployment.Path}");
}
}
}
catch (Exception ex)
{
Console.Error.WriteLine($"[DeploymentLocator] Cleanup failed: {ex.Message}");
// 蹇界暐娓呯悊澶辫触
}
}
/// <summary>
/// 浠呮竻鐞嗗凡鏍囪涓?destroy鐨勯儴缃诧紙鍏煎鏃ф柟娉曪級
/// </summary>
[Obsolete("Use CleanupOldDeployments instead")]
public void CleanupDestroyedDeployments()
{
CleanupOldDeployments(3);
}
public static Version ParseVersionFromDirectory(string path)
{
var text = ParseVersionTextFromDirectory(path);
return Version.TryParse(text, out var version) ? version : new Version(0, 0, 0);
}
private static string? ParseVersionTextFromDirectory(string path)
{
var fileName = Path.GetFileName(path);
if (string.IsNullOrWhiteSpace(fileName))
{
return null;
}
var segments = fileName.Split('-');
if (segments.Length < 2)
{
return null;
}
return segments[1];
}
/// <summary>
/// 浠庨儴缃茬洰褰曡鍙栫増鏈俊鎭? /// </summary>
public AppVersionInfo GetVersionInfo()
{
var executableName = OperatingSystem.IsWindows() ? "LanMountainDesktop.exe" : "LanMountainDesktop";
var resolved = AppVersionProvider.ResolveFromPackageRoot(_appRoot, executableName);
return string.IsNullOrWhiteSpace(resolved.Version)
? new AppVersionInfo
{
Version = GetCurrentVersion(),
Codename = "Administrate"
}
: resolved;
}
}