|
| 1 | +using System.Diagnostics; |
| 2 | + |
| 3 | +namespace OpenShock.Desktop.Utils; |
| 4 | + |
| 5 | +/// <summary> |
| 6 | +/// Restarts the running application. The mechanism is platform specific, but callers |
| 7 | +/// just invoke <see cref="RestartApp"/> regardless of platform. |
| 8 | +/// </summary> |
| 9 | +public static class RestartHelper |
| 10 | +{ |
| 11 | +#if WINDOWS |
| 12 | + private static readonly string PowerShellLogFile = Path.Combine(Constants.LogsFolder, "restart.log"); |
| 13 | +#endif |
| 14 | + |
| 15 | + public static void RestartApp() |
| 16 | + { |
| 17 | +#if WINDOWS |
| 18 | + var currentExePath = Environment.ProcessPath; |
| 19 | + var processId = Environment.ProcessId; |
| 20 | + |
| 21 | + // PowerShell helper: wait for this process to exit (up to 30s), then relaunch. |
| 22 | + var scriptContent = $$""" |
| 23 | + Start-Transcript -Path '{{PowerShellLogFile}}' |
| 24 | + $processID = {{processId}} |
| 25 | + $timeout = New-TimeSpan -Seconds 30 |
| 26 | + $sw = [System.Diagnostics.Stopwatch]::StartNew() |
| 27 | + Write-Host "Waiting for process with ID $processID to stop running..." |
| 28 | + do { |
| 29 | + $process = Get-Process -Id $processID -ErrorAction SilentlyContinue |
| 30 | + if ($process -ne $null) { |
| 31 | + Write-Host "Still waiting for process with ID $processID to stop running... $sw.Elapsed" |
| 32 | + Start-Sleep -Seconds 1 |
| 33 | + } |
| 34 | + } while ($process -ne $null -and $sw.Elapsed -lt $timeout) |
| 35 | +
|
| 36 | + if ($process -eq $null) { |
| 37 | + $exePath = '{{currentExePath}}' |
| 38 | + Write-Host "Starting $exePath after $sw.Elapsed" |
| 39 | + Start-Process -FilePath $exePath |
| 40 | + Start-Sleep -Seconds 2 |
| 41 | + } |
| 42 | + else { |
| 43 | + Write-Host "Process with ID $processID is still running. Timed out after $($timeout.TotalSeconds) seconds." |
| 44 | + Write-Host "Please make sure the process with ID $processID is not running before starting a new instance." |
| 45 | + Start-Sleep -Seconds 10 |
| 46 | + } |
| 47 | + Stop-Transcript |
| 48 | + """; |
| 49 | + |
| 50 | + var startInfo = new ProcessStartInfo |
| 51 | + { |
| 52 | + FileName = "powershell.exe", |
| 53 | + Arguments = $"-Command \"{scriptContent}\"", |
| 54 | + UseShellExecute = false, |
| 55 | + RedirectStandardOutput = true, |
| 56 | + CreateNoWindow = true |
| 57 | + }; |
| 58 | + |
| 59 | + Process.Start(startInfo); |
| 60 | + |
| 61 | + if (Application.Current != null) |
| 62 | + { |
| 63 | + Application.Current.Quit(); |
| 64 | + return; |
| 65 | + } |
| 66 | + |
| 67 | + Environment.Exit(0); |
| 68 | +#elif PHOTINO |
| 69 | + var pid = Environment.ProcessId; |
| 70 | + |
| 71 | + // When running from an AppImage, Environment.ProcessPath points inside the |
| 72 | + // FUSE mount (e.g. /tmp/.mount_XXXX/usr/bin/OpenShock.Desktop), which is |
| 73 | + // unmounted as soon as we exit. The AppImage runtime exposes the real path |
| 74 | + // of the .AppImage file via $APPIMAGE, so relaunch that instead. |
| 75 | + var appImage = Environment.GetEnvironmentVariable("APPIMAGE"); |
| 76 | + var target = !string.IsNullOrEmpty(appImage) ? appImage : Environment.ProcessPath; |
| 77 | + |
| 78 | + if (string.IsNullOrEmpty(target)) |
| 79 | + { |
| 80 | + Environment.Exit(0); |
| 81 | + return; |
| 82 | + } |
| 83 | + |
| 84 | + // Detached helper: wait for this process to fully exit (up to ~30s), then |
| 85 | + // relaunch the target. Passed as positional args so paths with spaces are safe: |
| 86 | + // $1 = target executable, $2 = pid to wait on |
| 87 | + const string script = |
| 88 | + """ |
| 89 | + target="$1" |
| 90 | + pid="$2" |
| 91 | + i=0 |
| 92 | + while kill -0 "$pid" 2>/dev/null; do |
| 93 | + sleep 0.5 |
| 94 | + i=$((i + 1)) |
| 95 | + [ "$i" -ge 60 ] && break |
| 96 | + done |
| 97 | + exec "$target" |
| 98 | + """; |
| 99 | + |
| 100 | + var startInfo = new ProcessStartInfo |
| 101 | + { |
| 102 | + UseShellExecute = false, |
| 103 | + }; |
| 104 | + |
| 105 | + // setsid detaches the helper into its own session so it survives our exit and |
| 106 | + // does not inherit a controlling terminal. Fall back to a plain shell if it is |
| 107 | + // somehow unavailable (setsid ships with util-linux and is present on all |
| 108 | + // mainstream distros, but be defensive). |
| 109 | + try |
| 110 | + { |
| 111 | + startInfo.FileName = "setsid"; |
| 112 | + startInfo.ArgumentList.Add("/bin/sh"); |
| 113 | + startInfo.ArgumentList.Add("-c"); |
| 114 | + startInfo.ArgumentList.Add(script); |
| 115 | + startInfo.ArgumentList.Add("sh"); // $0 |
| 116 | + startInfo.ArgumentList.Add(target); // $1 |
| 117 | + startInfo.ArgumentList.Add(pid.ToString()); // $2 |
| 118 | + Process.Start(startInfo); |
| 119 | + } |
| 120 | + catch |
| 121 | + { |
| 122 | + startInfo.FileName = "/bin/sh"; |
| 123 | + startInfo.ArgumentList.Clear(); |
| 124 | + startInfo.ArgumentList.Add("-c"); |
| 125 | + startInfo.ArgumentList.Add(script); |
| 126 | + startInfo.ArgumentList.Add("sh"); // $0 |
| 127 | + startInfo.ArgumentList.Add(target); // $1 |
| 128 | + startInfo.ArgumentList.Add(pid.ToString()); // $2 |
| 129 | + Process.Start(startInfo); |
| 130 | + } |
| 131 | + |
| 132 | + Environment.Exit(0); |
| 133 | +#else |
| 134 | + // No restart mechanism for other targets (e.g. the web host); no-op. |
| 135 | +#endif |
| 136 | + } |
| 137 | +} |
0 commit comments