InitializeListener() public static method

Starts up the IPC listner channel to wait for message from other instances.
public static InitializeListener ( EnvironmentInfo p_eifEnvironmentInfo, IGameModeDescriptor p_gmdGameModeInfo, ModManager p_mmgModManager, MainForm p_frmMainForm ) : IMessager
p_eifEnvironmentInfo EnvironmentInfo The application's envrionment info.
p_gmdGameModeInfo IGameModeDescriptor The descriptor of the game mode for which mods are being managed.
p_mmgModManager Nexus.Client.ModManagement.ModManager The mod manager to use to manage mods.
p_frmMainForm MainForm The main application form.
return IMessager
        /// <summary>
        /// Runs the applications
        /// </summary>
        /// <remarks>
        /// This method makes sure the environment is sane. If so, it creates the required services
        /// and launches the main form.
        /// </remarks>
        /// <param name="args">The command line arguments passed to the application.</param>
        /// <returns><c>true</c> if the application started as expected;
        /// <c>false</c> otherwise.</returns>
        public bool RunMainForm(string[] args)
        {
            if (!SandboxCheck(_environmentInfo))
            {
                return(false);
            }

            SetCompressorPath(_environmentInfo);

            var deletedDll = CheckModScriptDLL();

            string requestedGameMode = null;

            Uri modToAdd = null;

            if (args.Length > 0 && !args[0].StartsWith("-"))
            {
                if (Uri.TryCreate(args[0], UriKind.Absolute, out modToAdd) && modToAdd.Scheme.Equals("nxm", StringComparison.OrdinalIgnoreCase))
                {
                    requestedGameMode = DetermineRequestedGameMode(modToAdd.Host);
                }
            }
            else
            {
                for (var i = 0; i < args.Length; i++)
                {
                    var strArg = args[i];

                    if (strArg == "-game")
                    {
                        requestedGameMode = args[i + 1];
                        Trace.Write("Game Specified On Command line: " + requestedGameMode + ") ");
                    }
                }
            }

            var changeDefaultGameMode = false;
            var supportedGames        = GetSupportedGameModes();

            do
            {
                var fontSetResolver = SetUpFonts();

                var installedGames = GetInstalledGameModes(supportedGames);

                if (installedGames == null)
                {
                    Trace.TraceInformation("No installed games.");
                    MessageBox.Show($"No games were detected! {_environmentInfo.Settings.ModManagerName} will now close.", "No Games", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    return(false);
                }

                CheckIfDefaultGameModeIsInstalled(installedGames);

                var selector        = new GameModeSelector(supportedGames, installedGames, _environmentInfo);
                var gameModeFactory = selector.SelectGameMode(requestedGameMode, changeDefaultGameMode);

                if (selector.RescanRequested)
                {
                    _environmentInfo.Settings.InstalledGamesDetected = false;
                    _environmentInfo.Settings.Save();
                    changeDefaultGameMode = true;
                    continue;
                }

                if (gameModeFactory == null)
                {
                    return(false);
                }

                Trace.TraceInformation($"Game Mode Factory Selected: {gameModeFactory.GameModeDescriptor.Name} ({gameModeFactory.GameModeDescriptor.ModeId})");

                Mutex gameModeMutex = null;
                var   ownsMutex     = false;

                try
                {
                    for (var attemptCount = 0; attemptCount < 3; attemptCount++)
                    {
                        Trace.TraceInformation($"Creating Game Mode mutex (Attempt: {attemptCount})");
                        gameModeMutex = new Mutex(true, $"{_environmentInfo.Settings.ModManagerName}-{gameModeFactory.GameModeDescriptor.ModeId}-GameModeMutex", out ownsMutex);

                        //If the mutex is owned, you are the first instance of the mod manager for game mode, so break out of loop.
                        if (ownsMutex)
                        {
                            break;
                        }

                        try
                        {
                            //If the mutex isn't owned, attempt to talk across the messager.
                            using (var messager = MessagerClient.GetMessager(_environmentInfo, gameModeFactory.GameModeDescriptor))
                            {
                                if (messager != null)
                                {
                                    //Messenger was created OK, send download request, or bring to front.
                                    if (modToAdd != null)
                                    {
                                        Trace.TraceInformation($"Messaging to add: {modToAdd}");
                                        messager.AddMod(modToAdd.ToString());
                                    }
                                    else
                                    {
                                        Trace.TraceInformation("Messaging to bring to front.");
                                        messager.BringToFront();
                                    }

                                    return(true);
                                }
                            }

                            gameModeMutex.Close();
                            gameModeMutex = null;
                        }
                        catch (InvalidOperationException)
                        {
                            var stbPromptMessage = new StringBuilder();
                            stbPromptMessage.AppendLine($"{_environmentInfo.Settings.ModManagerName} was unable to start. It appears another instance of {_environmentInfo.Settings.ModManagerName} is already running.");
                            stbPromptMessage.AppendLine($"If you were trying to download multiple files, wait for {_environmentInfo.Settings.ModManagerName} to start before clicking on a new file download.");
                            MessageBox.Show(stbPromptMessage.ToString(), "Already running", MessageBoxButtons.OK, MessageBoxIcon.Information);
                            return(false);
                        }

                        //Messenger couldn't be created, so sleep for a few seconds to give time for opening
                        // the running copy of the mod manager to start up/shut down
                        Thread.Sleep(TimeSpan.FromSeconds(5.0d));
                    }

                    if (!ownsMutex)
                    {
                        var htlListener = (HeaderlessTextWriterTraceListener)Trace.Listeners["DefaultListener"];
                        htlListener.ChangeFilePath(Path.Combine(Path.GetDirectoryName(htlListener.FilePath), "Messager" + Path.GetFileName(htlListener.FilePath)));

                        Trace.TraceInformation("THIS IS A MESSAGER TRACE LOG.");

                        if (!htlListener.TraceIsForced)
                        {
                            htlListener.SaveToFile();
                        }

                        var stbPromptMessage = new StringBuilder();
                        stbPromptMessage.AppendLine($"{_environmentInfo.Settings.ModManagerName} was unable to start. It appears another instance of {_environmentInfo.Settings.ModManagerName} is already running.");
                        stbPromptMessage.AppendLine("A Trace Log file was created at:");
                        stbPromptMessage.AppendLine(htlListener.FilePath);
                        stbPromptMessage.AppendLine("Before reporting the issue, don't close this window and check for a fix here (you can close it afterwards):");
                        stbPromptMessage.AppendLine(NexusLinks.FAQs);
                        stbPromptMessage.AppendLine("If you can't find a solution, please make a bug report and attach the TraceLog file here:");
                        stbPromptMessage.AppendLine(NexusLinks.Issues);
                        MessageBox.Show(stbPromptMessage.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Information);

                        return(false);
                    }

                    ApplicationInitializer appInitializer = null;

                    while ((appInitializer == null) || (appInitializer.Status == TaskStatus.Retrying))
                    {
                        appInitializer = new ApplicationInitializer(_environmentInfo, fontSetResolver, deletedDll);
                        var appInitializerForm = new ApplicationInitializationForm(appInitializer);
                        appInitializer.Initialize(gameModeFactory, SynchronizationContext.Current);
                        appInitializerForm.ShowDialog();
                    }

                    if (appInitializer.Status != TaskStatus.Complete)
                    {
                        if (appInitializer.Status == TaskStatus.Error)
                        {
                            return(false);
                        }

                        changeDefaultGameMode = true;
                        DisposeServices(appInitializer.Services);

                        continue;
                    }

                    var gameMode = appInitializer.GameMode;
                    var services = appInitializer.Services;

                    var mainFormViewModel = new MainFormVM(_environmentInfo, installedGames, gameMode, services.ModRepository, services.DownloadMonitor, services.ModActivationMonitor, services.ModManager, services.PluginManager);
                    var mainForm          = new MainForm(mainFormViewModel);

                    using (var msgMessager = MessagerServer.InitializeListener(_environmentInfo, gameMode, services.ModManager, mainForm))
                    {
                        if (modToAdd != null)
                        {
                            Trace.TraceInformation("Adding mod: " + modToAdd);
                            msgMessager.AddMod(modToAdd.ToString());
                            modToAdd = null;
                        }

                        Trace.TraceInformation("Running Application.");

                        try
                        {
                            Application.Run(mainForm);
                            services.ModInstallLog.Backup();
                            requestedGameMode     = mainFormViewModel.RequestedGameMode;
                            changeDefaultGameMode = mainFormViewModel.DefaultGameModeChangeRequested;
                        }
                        finally
                        {
                            DisposeServices(services);
                            gameMode.Dispose();
                        }
                    }
                }
                finally
                {
                    if (gameModeMutex != null)
                    {
                        if (ownsMutex)
                        {
                            gameModeMutex.ReleaseMutex();
                        }

                        gameModeMutex.Close();
                    }

                    FileUtil.ForceDelete(_environmentInfo.TemporaryPath);

                    //Clean up created font's.
                    FontManager.Dispose();
                }
            } while (!string.IsNullOrEmpty(requestedGameMode) || changeDefaultGameMode);

            return(true);
        }
        /// <summary>
        /// Runs the applications
        /// </summary>
        /// <remarks>
        /// This method makes sure the environment is sane. If so, it creates the required services
        /// and launches the main form.
        /// </remarks>
        /// <param name="p_strArgs">The command line arguments passed to the application.</param>
        /// <returns><c>true</c> if the application started as expected;
        /// <c>false</c> otherwise.</returns>
        public bool RunMainForm(string[] p_strArgs)
        {
            if (!SandboxCheck(m_eifEnvironmentInfo))
                return false;
            SetCompressorPath(m_eifEnvironmentInfo);

            string strRequestedGameMode = null;
            string[] strArgs = p_strArgs;
            Uri uriModToAdd = null;
            if ((p_strArgs.Length > 0) && !p_strArgs[0].StartsWith("-"))
            {
                if (Uri.TryCreate(p_strArgs[0], UriKind.Absolute, out uriModToAdd) && uriModToAdd.Scheme.Equals("nxm", StringComparison.OrdinalIgnoreCase))
                    strRequestedGameMode = uriModToAdd.Host;
            }
            else
                for (Int32 i = 0; i < p_strArgs.Length; i++)
                {
                    string strArg = p_strArgs[i];
                    if (strArg.StartsWith("-"))
                    {
                        switch (strArg)
                        {
                            case "-game":
                                strRequestedGameMode = p_strArgs[i + 1];
                                Trace.Write("Game Specified On Command line: " + strRequestedGameMode + ") ");
                                break;
                        }
                    }
                }

            bool booChangeDefaultGameMode = false;
            GameModeRegistry gmrSupportedGames = GetSupportedGameModes();
            do
            {
                NexusFontSetResolver nfrResolver = SetUpFonts();

                GameModeRegistry gmrInstalledGames = GetInstalledGameModes(gmrSupportedGames);
                if (gmrInstalledGames == null)
                {
                    Trace.TraceInformation("No installed games.");
                    MessageBox.Show(String.Format("No games were detected! {0} will now close.", m_eifEnvironmentInfo.Settings.ModManagerName), "No Games", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    return false;
                }

                GameModeSelector gmsSelector = new GameModeSelector(gmrSupportedGames, gmrInstalledGames, m_eifEnvironmentInfo);
                IGameModeFactory gmfGameModeFactory = gmsSelector.SelectGameMode(strRequestedGameMode, booChangeDefaultGameMode);
                if (gmsSelector.RescanRequested)
                {
                    m_eifEnvironmentInfo.Settings.InstalledGamesDetected = false;
                    m_eifEnvironmentInfo.Settings.Save();
                    booChangeDefaultGameMode = true;
                    continue;
                }
                if (gmfGameModeFactory == null)
                    return false;

                Trace.TraceInformation(String.Format("Game Mode Factory Selected: {0} ({1})", gmfGameModeFactory.GameModeDescriptor.Name, gmfGameModeFactory.GameModeDescriptor.ModeId));

                Mutex mtxGameModeMutex = null;
                bool booOwnsMutex = false;
                try
                {
                    for (Int32 intAttemptCount = 0; intAttemptCount < 3; intAttemptCount++)
                    {
                        Trace.TraceInformation("Creating Game Mode mutex (Attempt: {0})", intAttemptCount);
                        mtxGameModeMutex = new Mutex(true, String.Format("{0}-{1}-GameModeMutex", m_eifEnvironmentInfo.Settings.ModManagerName, gmfGameModeFactory.GameModeDescriptor.ModeId), out booOwnsMutex);

                        //If the mutex is owned, you are the first instance of the mod manager for game mode, so break out of loop.
                        if (booOwnsMutex)
                            break;

                        try
                        {
                            //If the mutex isn't owned, attempt to talk across the messager.
                            using (IMessager msgMessager = MessagerClient.GetMessager(m_eifEnvironmentInfo, gmfGameModeFactory.GameModeDescriptor))
                            {
                                if (msgMessager != null)
                                {
                                    //Messenger was created OK, send download request, or bring to front.
                                    if (uriModToAdd != null)
                                    {
                                        Trace.TraceInformation(String.Format("Messaging to add: {0}", uriModToAdd));
                                        msgMessager.AddMod(uriModToAdd.ToString());
                                    }
                                    else
                                    {
                                        Trace.TraceInformation(String.Format("Messaging to bring to front."));
                                        msgMessager.BringToFront();
                                    }
                                    return true;
                                }
                            }
                            mtxGameModeMutex.Close();
                            mtxGameModeMutex = null;
                        }
                        catch (InvalidOperationException)
                        {
                            StringBuilder stbPromptMessage = new StringBuilder();
                            stbPromptMessage.AppendFormat("{0} was unable to start. It appears another instance of {0} is already running.", m_eifEnvironmentInfo.Settings.ModManagerName).AppendLine();
                            stbPromptMessage.AppendFormat("If you were trying to download multiple files, wait for {0} to start before clicking on a new file download.", m_eifEnvironmentInfo.Settings.ModManagerName).AppendLine();
                            MessageBox.Show(stbPromptMessage.ToString(), "Already running", MessageBoxButtons.OK, MessageBoxIcon.Information);
                            return false;
                        }
                        //Messenger couldn't be created, so sleep for a few seconds to give time for opening
                        // the running copy of the mod manager to start up/shut down
                        Thread.Sleep(TimeSpan.FromSeconds(5.0d));
                    }
                    if (!booOwnsMutex)
                    {
                        HeaderlessTextWriterTraceListener htlListener = (HeaderlessTextWriterTraceListener)Trace.Listeners["DefaultListener"];
                        htlListener.ChangeFilePath(Path.Combine(Path.GetDirectoryName(htlListener.FilePath), "Messager" + Path.GetFileName(htlListener.FilePath)));
                        Trace.TraceInformation("THIS IS A MESSAGER TRACE LOG.");
                        if (!htlListener.TraceIsForced)
                            htlListener.SaveToFile();

                        StringBuilder stbPromptMessage = new StringBuilder();
                        stbPromptMessage.AppendFormat("{0} was unable to start. It appears another instance of {0} is already running.", m_eifEnvironmentInfo.Settings.ModManagerName).AppendLine();
                        stbPromptMessage.AppendLine("A Trace Log file was created at:");
                        stbPromptMessage.AppendLine(htlListener.FilePath);
                        stbPromptMessage.AppendLine("Before reporting the issue, don't close this window and check for a fix here (you can close it afterwards):");
                        stbPromptMessage.AppendLine(NexusLinks.FAQs);
                        stbPromptMessage.AppendLine("If you can't find a solution, please make a bug report and attach the TraceLog file here:");
                        stbPromptMessage.AppendLine(NexusLinks.Issues);
                        MessageBox.Show(stbPromptMessage.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Information);
                        return false;
                    }

                    //ApplicationInitializer ainInitializer = new ApplicationInitializer(m_eifEnvironmentInfo, nfrResolver);
                    //ApplicationInitializationForm frmAppInitilizer = new ApplicationInitializationForm(ainInitializer);
                    //ainInitializer.Initialize(gmfGameModeFactory, SynchronizationContext.Current);
                    //frmAppInitilizer.ShowDialog();
                    ApplicationInitializer ainInitializer = null;
                    ApplicationInitializationForm frmAppInitilizer = null;
                    while ((ainInitializer == null) || (ainInitializer.Status == TaskStatus.Retrying))
                    {
                        ainInitializer = new ApplicationInitializer(m_eifEnvironmentInfo, nfrResolver);
                        frmAppInitilizer = new ApplicationInitializationForm(ainInitializer);
                        ainInitializer.Initialize(gmfGameModeFactory, SynchronizationContext.Current);
                        frmAppInitilizer.ShowDialog();
                    }

                    if (ainInitializer.Status != TaskStatus.Complete)
                    {
                        if (ainInitializer.Status == TaskStatus.Error)
                            return false;
                        booChangeDefaultGameMode = true;
                        DisposeServices(ainInitializer.Services);
                        continue;
                    }

                    IGameMode gmdGameMode = ainInitializer.GameMode;
                    ServiceManager svmServices = ainInitializer.Services;

                    MainFormVM vmlMainForm = new MainFormVM(m_eifEnvironmentInfo, gmrInstalledGames, gmdGameMode, svmServices.ModRepository, svmServices.DownloadMonitor, svmServices.ActivateModsMonitor, svmServices.UpdateManager, svmServices.ModManager, svmServices.PluginManager);
                    MainForm frmMain = new MainForm(vmlMainForm);

                    using (IMessager msgMessager = MessagerServer.InitializeListener(m_eifEnvironmentInfo, gmdGameMode, svmServices.ModManager, frmMain))
                    {
                        if (uriModToAdd != null)
                        {
                            Trace.TraceInformation("Adding mod: " + uriModToAdd.ToString());
                            msgMessager.AddMod(uriModToAdd.ToString());
                            uriModToAdd = null;
                        }

                        Trace.TraceInformation("Running Application.");
                        try
                        {
                            Application.Run(frmMain);
                            svmServices.ModInstallLog.Backup();
                            strRequestedGameMode = vmlMainForm.RequestedGameMode;
                            booChangeDefaultGameMode = vmlMainForm.DefaultGameModeChangeRequested;
                        }
                        finally
                        {
                            DisposeServices(svmServices);
                            gmdGameMode.Dispose();
                        }
                    }
                }
                finally
                {
                    if (mtxGameModeMutex != null)
                    {
                        if (booOwnsMutex)
                            mtxGameModeMutex.ReleaseMutex();
                        mtxGameModeMutex.Close();
                    }
                    FileUtil.ForceDelete(m_eifEnvironmentInfo.TemporaryPath);

                    //Clean up created font's.
                    FontManager.Dispose();
                }
            } while (!String.IsNullOrEmpty(strRequestedGameMode) || booChangeDefaultGameMode);
            return true;
        }