private static void UpdateMostRecentlyInstalledVersionInAppConfig(UpdaterManifest updaterManifest)
{
// This doesn't work when running within the VS debugger. This is because VS updates the vshost.exe.config.
Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
config.AppSettings.Settings["MostRecentlyInstalledVersion"].Value = updaterManifest.Version;
config.Save(ConfigurationSaveMode.Modified);
ConfigurationManager.RefreshSection("appSettings");
}
private bool VersionHasBeenInstalled(UpdaterManifest updaterManifest)
{
string mostRecentlyInstalledVersion = ConfigurationManager.AppSettings["MostRecentlyInstalledVersion"];
if (updaterManifest.Version != mostRecentlyInstalledVersion)
{
Logger.LogInformation(string.Format(CultureInfo.CurrentCulture,
"New version ({0}) of {1} detected. Old version was {2}. App will be updated and restarted.",
updaterManifest.Version,
this._appName,
mostRecentlyInstalledVersion));
return(false);
}
return(true);
}
private void Process(object stateInfo)
{
if (!Monitor.TryEnter(_locker))
{
return;
}
try
{
// Check for new binaries. If new, copy the files and restart the app domain.
UpdaterManifest updaterManifest = GetUpdaterManifest();
if (updaterManifest == null)
{
return;
}
if (VersionHasBeenInstalled(updaterManifest))
{
IfAppNotRunningThenRunApp();
return;
}
DeleteFiles();
CopyFiles();
UpdateMostRecentlyInstalledVersionInAppConfig(updaterManifest);
this._initialRunningOfAppOccurred = true;
RestartAppDomain();
}
catch (Exception ex)
{
// Just log and keep trying to process (ie: don't stop timer).
Logger.LogException(ex);
}
finally
{
Monitor.Exit(_locker);
}
}