mirror of
https://github.com/wwiinnddyy/LanMountainDesktop.git
synced 2026-06-22 00:54:26 +08:00
changed.调整了启动逻辑，优化了更新页面。
This commit is contained in:
lincube
@@ -1,5 +1,6 @@
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using System.Globalization;
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using System.Text.Json;
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using LanMountainDesktop.Launcher.Models;
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using LanMountainDesktop.Shared.Contracts.Launcher;
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namespace LanMountainDesktop.Launcher.Services;
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@@ -17,44 +18,65 @@ internal sealed class DeploymentLocator
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public string? FindCurrentDeploymentDirectory()
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{
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var candidates = Directory.Exists(_appRoot)
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? Directory.GetDirectories(_appRoot, "app-*", SearchOption.TopDirectoryOnly)
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: [];
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Console.WriteLine("[DeploymentLocator] Searching for deployment directories (ClassIsland style)...");
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// 过滤掉无效的部署目录
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var validCandidates = candidates
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.Where(path =>
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!File.Exists(Path.Combine(path, ".destroy")) && // 排除待删除
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!File.Exists(Path.Combine(path, ".partial"))) // 排除未完成
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.ToList();
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// 优先选择带 .current 标记的版本
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var withMarkers = validCandidates
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.Where(path => File.Exists(Path.Combine(path, ".current")))
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.Select(path => new
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{
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Path = path,
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Version = ParseVersionFromDirectory(path)
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})
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.OrderByDescending(item => item.Version)
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.ToList();
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if (withMarkers.Count > 0)
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if (!Directory.Exists(_appRoot))
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{
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return withMarkers[0].Path;
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Console.WriteLine("[DeploymentLocator] App root directory does not exist");
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return null;
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}
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// 如果没有 .current 标记,选择最新版本
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var byVersion = validCandidates
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.Select(path => new
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{
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Path = path,
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Version = ParseVersionFromDirectory(path)
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})
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.OrderByDescending(item => item.Version)
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.ToList();
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var executable = OperatingSystem.IsWindows() ? "LanMountainDesktop.exe" : "LanMountainDesktop";
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return byVersion.Count > 0 ? byVersion[0].Path : null;
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try
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{
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var candidates = Directory.GetDirectories(_appRoot, "app-*", SearchOption.TopDirectoryOnly);
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Console.WriteLine($"[DeploymentLocator] Found {candidates.Length} app-* directories");
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// ClassIsland 风格的查询：先筛选，后排序
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var validInstallations = candidates
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.Where(path =>
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{
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var hasDestroy = File.Exists(Path.Combine(path, ".destroy"));
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var hasPartial = File.Exists(Path.Combine(path, ".partial"));
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var hasExe = File.Exists(Path.Combine(path, executable));
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var hasCurrent = File.Exists(Path.Combine(path, ".current"));
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var version = ParseVersionFromDirectory(path);
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Console.WriteLine($"[DeploymentLocator] Candidate: {Path.GetFileName(path)} | " +
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$"Version={version} | " +
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$"Current={hasCurrent} | " +
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$"Destroy={hasDestroy} | " +
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$"Partial={hasPartial} | " +
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$"HasExe={hasExe}");
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return !hasDestroy && !hasPartial && hasExe;
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})
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.Select(path => new
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{
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Path = path,
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Version = ParseVersionFromDirectory(path),
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HasCurrentMarker = File.Exists(Path.Combine(path, ".current"))
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})
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.OrderBy(x => x.HasCurrentMarker ? 0 : 1) // .current 标记的排前面
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.ThenByDescending(x => x.Version) // 然后按版本号降序
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.ToList();
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if (validInstallations.Count == 0)
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{
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Console.WriteLine("[DeploymentLocator] No valid deployment directories found");
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return null;
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}
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var best = validInstallations[0];
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Console.WriteLine($"[DeploymentLocator] Selected: {Path.GetFileName(best.Path)} (current={best.HasCurrentMarker}, version={best.Version})");
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return best.Path;
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}
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catch (Exception ex)
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{
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Console.Error.WriteLine($"[DeploymentLocator] Error searching for deployments: {ex}");
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return null;
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}
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}
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public string? ResolveHostExecutablePath()
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@@ -233,35 +255,159 @@ internal sealed class DeploymentLocator
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}
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}
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public void CleanupDestroyedDeployments()
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/// <summary>
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/// 清理旧版本部署，保留最近的N个版本
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/// </summary>
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/// <param name="minVersionsToKeep">最少保留版本数，默认3个</param>
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public void CleanupOldDeployments(int minVersionsToKeep = 3)
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{
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try
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{
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var candidates = Directory.Exists(_appRoot)
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? Directory.GetDirectories(_appRoot, "app-*", SearchOption.TopDirectoryOnly)
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: [];
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Console.WriteLine($"[DeploymentLocator] Starting cleanup with retention policy: keep at least {minVersionsToKeep} versions");
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var destroyedDirs = candidates
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.Where(path => File.Exists(Path.Combine(path, ".destroy")));
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if (!Directory.Exists(_appRoot))
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{
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return;
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}
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foreach (var dir in destroyedDirs)
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var candidates = Directory.GetDirectories(_appRoot, "app-*", SearchOption.TopDirectoryOnly);
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// 过滤掉无效部署目录（排除partial），按版本排序
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var validDeployments = candidates
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.Where(path => !File.Exists(Path.Combine(path, ".partial")))
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.Select(path => new
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{
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Path = path,
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Version = ParseVersionFromDirectory(path),
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IsDestroyed = File.Exists(Path.Combine(path, ".destroy")),
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IsCurrent = File.Exists(Path.Combine(path, ".current"))
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})
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.OrderByDescending(item => item.Version)
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.ToList();
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Console.WriteLine($"[DeploymentLocator] Found {validDeployments.Count} valid deployments");
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// 确定要保留的版本
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var versionsToKeep = new HashSet<string>();
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// 1. 总是保留当前版本
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var currentVersion = validDeployments.FirstOrDefault(d => d.IsCurrent);
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if (currentVersion != null)
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{
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versionsToKeep.Add(currentVersion.Path);
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Console.WriteLine($"[DeploymentLocator] Keep current version: {currentVersion.Path}");
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}
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// 2. 保留最近的N个有效版本（不包括已标记destroy的）
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var activeVersions = validDeployments
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.Where(d => !d.IsDestroyed)
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.Take(minVersionsToKeep)
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.ToList();
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foreach (var ver in activeVersions)
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{
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versionsToKeep.Add(ver.Path);
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Console.WriteLine($"[DeploymentLocator] Keep recent version: {ver.Path}");
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}
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// 3. 保留有快照的版本（用于回滚）
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var snapshotDir = Path.Combine(_appRoot, ".launcher", "snapshots");
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if (Directory.Exists(snapshotDir))
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{
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try
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{
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Directory.Delete(dir, recursive: true);
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var snapshotFiles = Directory.GetFiles(snapshotDir, "*.json", SearchOption.TopDirectoryOnly);
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foreach (var snapshotFile in snapshotFiles)
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{
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try
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{
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var json = File.ReadAllText(snapshotFile);
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var snapshot = System.Text.Json.JsonSerializer.Deserialize<SnapshotMetadata>(json);
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if (snapshot != null && !string.IsNullOrEmpty(snapshot.SourceDirectory))
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{
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if (Directory.Exists(snapshot.SourceDirectory))
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{
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versionsToKeep.Add(snapshot.SourceDirectory);
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Console.WriteLine($"[DeploymentLocator] Keep version for rollback: {snapshot.SourceDirectory}");
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}
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}
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}
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catch
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{
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// 忽略快照解析错误
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}
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}
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}
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catch
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{
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// 忽略快照目录访问错误
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}
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}
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// 清理不需要的版本
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foreach (var deployment in validDeployments)
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{
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if (versionsToKeep.Contains(deployment.Path))
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{
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// 保留此版本，如果之前标记了destroy则取消标记
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if (deployment.IsDestroyed)
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{
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try
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{
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File.Delete(Path.Combine(deployment.Path, ".destroy"));
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Console.WriteLine($"[DeploymentLocator] Unmarked for deletion (kept): {deployment.Path}");
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}
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catch
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{
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// 忽略取消标记失败
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}
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}
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continue;
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}
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// 如果还没标记destroy的，先标记
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if (!deployment.IsDestroyed)
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{
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try
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{
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File.WriteAllText(Path.Combine(deployment.Path, ".destroy"), string.Empty);
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Console.WriteLine($"[DeploymentLocator] Marked for deletion: {deployment.Path}");
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}
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catch
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{
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// 忽略标记失败
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}
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}
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// 尝试删除
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try
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{
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Directory.Delete(deployment.Path, recursive: true);
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Console.WriteLine($"[DeploymentLocator] Deleted: {deployment.Path}");
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}
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catch
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{
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// 忽略删除失败(可能文件被占用),下次启动再试
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Console.WriteLine($"[DeploymentLocator] Failed to delete (will retry later): {deployment.Path}");
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}
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}
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}
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catch
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catch (Exception ex)
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{
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Console.Error.WriteLine($"[DeploymentLocator] Cleanup failed: {ex.Message}");
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// 忽略清理失败
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}
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}
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/// <summary>
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/// 仅清理已标记为.destroy的部署（兼容旧方法）
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/// </summary>
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[Obsolete("Use CleanupOldDeployments instead")]
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public void CleanupDestroyedDeployments()
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{
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CleanupOldDeployments(3);
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}
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public static Version ParseVersionFromDirectory(string path)
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{
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var text = ParseVersionTextFromDirectory(path);
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