Esempio n. 1
0
        /// <summary>
        /// Initialize
        /// </summary>
        public static void Initialize()
        {
            var updater = new AppUpdater();

            if (updater.TryUpdate())
            {
                // [...]
            }
            updater.Dispose();

            // adding a process-specific environment path (either bin/x86 or bin/amd64)
            // ensures that unmanaged native dependencies can be resolved successfully.
            SetPrivateEnvPath();

            DynamicModuleUtility.RegisterModule(typeof(AutofacRequestLifetimeHttpModule));

            using (Locker.GetWriteLock())
            {
                // TODO: Add verbose exception handling / raising here since this is happening on app startup and could
                // prevent app from starting altogether
                var pluginFolderPath = CommonHelper.MapPath(_pluginsPath);
                _shadowCopyFolder = new DirectoryInfo(CommonHelper.MapPath(_shadowCopyPath));

                var incompatiblePlugins = new List <string>();

                _clearShadowDirectoryOnStartup = !String.IsNullOrEmpty(ConfigurationManager.AppSettings["ClearPluginsShadowDirectoryOnStartup"]) &&
                                                 Convert.ToBoolean(ConfigurationManager.AppSettings["ClearPluginsShadowDirectoryOnStartup"]);

                try
                {
                    var installedPluginSystemNames = PluginFileParser.ParseInstalledPluginsFile(_installedPluginsFilePath);

                    Debug.WriteLine("Creating shadow copy folder and querying for dlls");
                    //ensure folders are created
                    Directory.CreateDirectory(pluginFolderPath);
                    Directory.CreateDirectory(_shadowCopyFolder.FullName);

                    // get list of all files in bin
                    var binFiles = _shadowCopyFolder.GetFiles("*", SearchOption.AllDirectories);
                    if (_clearShadowDirectoryOnStartup)
                    {
                        // clear out shadow copied plugins
                        foreach (var f in binFiles)
                        {
                            Debug.WriteLine("Deleting " + f.Name);
                            try
                            {
                                File.Delete(f.FullName);
                            }
                            catch (Exception exc)
                            {
                                Debug.WriteLine("Error deleting file " + f.Name + ". Exception: " + exc);
                            }
                        }
                    }

                    // determine all plugin folders
                    var pluginPaths = from x in Directory.EnumerateDirectories(pluginFolderPath)
                                      where !x.IsMatch("bin") && !x.IsMatch("_Backup")
                                      select Path.Combine(pluginFolderPath, x);

                    // now activate all plugins
                    foreach (var pluginPath in pluginPaths)
                    {
                        var result = LoadPluginFromFolder(pluginPath);
                        if (result.IsIncompatible)
                        {
                            incompatiblePlugins.Add(result.Descriptor.SystemName);
                        }
                        else if (result.Success)
                        {
                            _referencedPlugins[result.Descriptor.SystemName] = result.Descriptor;
                        }
                    }
                }
                catch (Exception ex)
                {
                    var msg = string.Empty;
                    for (var e = ex; e != null; e = e.InnerException)
                    {
                        msg += e.Message + Environment.NewLine;
                    }

                    var fail = new Exception(msg, ex);
                    Debug.WriteLine(fail.Message, fail);

                    throw fail;
                }

                IncompatiblePlugins = incompatiblePlugins.AsReadOnly();
            }
        }