/// <summary>
/// Starts an application in a separate AppDomain.
/// Loads all enabled plugins and starts the application via an ApplicationManager instance activated in the new AppDomain.
/// </summary>
/// <param name="appInfo">application to run</param>
public void Run(ApplicationDescription appInfo, ICommandLineArgument[] args) {
if (!initialized) throw new InvalidOperationException("PluginManager is not initialized. DiscoverAndCheckPlugins() must be called before Run()");
// create a separate AppDomain for the application
// initialize the static ApplicationManager in the AppDomain
// and remotely tell it to start the application
OnApplicationStarting(new PluginInfrastructureEventArgs(appInfo));
AppDomain applicationDomain = null;
try {
AppDomainSetup setup = AppDomain.CurrentDomain.SetupInformation;
setup.PrivateBinPath = pluginDir;
applicationDomain = AppDomain.CreateDomain(AppDomain.CurrentDomain.FriendlyName, null, setup);
Type applicationManagerType = typeof(DefaultApplicationManager);
DefaultApplicationManager applicationManager =
(DefaultApplicationManager)applicationDomain.CreateInstanceAndUnwrap(applicationManagerType.Assembly.FullName, applicationManagerType.FullName, true, BindingFlags.NonPublic | BindingFlags.Instance, null, null, null, null);
applicationManager.PluginLoaded += applicationManager_PluginLoaded;
applicationManager.PluginUnloaded += applicationManager_PluginUnloaded;
applicationManager.PrepareApplicationDomain(applications, plugins);
OnApplicationStarted(new PluginInfrastructureEventArgs(appInfo));
applicationManager.Run(appInfo, args);
}
finally {
// make sure domain is unloaded in all cases
AppDomain.Unload(applicationDomain);
}
}
private void DiscoverApplications(IEnumerable<PluginDescription> pluginDescriptions) {
applications = new List<ApplicationDescription>();
foreach (IApplication application in GetApplications(pluginDescriptions)) {
Type appType = application.GetType();
ApplicationAttribute attr = (from x in appType.GetCustomAttributes(typeof(ApplicationAttribute), false)
select (ApplicationAttribute)x).Single();
ApplicationDescription info = new ApplicationDescription();
PluginDescription declaringPlugin = GetDeclaringPlugin(appType, pluginDescriptions);
info.Name = application.Name;
info.Version = declaringPlugin.Version;
info.Description = application.Description;
info.AutoRestart = attr.RestartOnErrors;
info.DeclaringAssemblyName = appType.Assembly.GetName().Name;
info.DeclaringTypeName = appType.Namespace + "." + application.GetType().Name;
applications.Add(info);
}
}
private void StartApplication(ApplicationDescription app, ICommandLineArgument[] args) {
splashScreen.Show("Loading " + app.Name);
Thread t = new Thread(delegate() {
bool stopped = false;
do {
try {
if (!abortRequested) {
pluginManager.Run(app, args);
}
stopped = true;
}
catch (Exception ex) {
stopped = false;
ThreadPool.QueueUserWorkItem(delegate(object exception) { ErrorHandling.ShowErrorDialog(this, (Exception)exception); }, ex);
Thread.Sleep(5000); // sleep 5 seconds before autorestart
}
} while (!abortRequested && !stopped && app.AutoRestart);
});
t.SetApartmentState(ApartmentState.STA); // needed for the AdvancedOptimizationFrontent
t.Start();
}