Fixed: Removal of previous service

Fixes #851

(cherry picked from commit cd28af98eed831e00a400e66b652e6a8d6f9c442)

setup/readarr.iss

@@ -62,9 +62,9 @@ Name: "{userstartup}\{#AppName}"; Filename: "{app}\Readarr.exe"; WorkingDir: "{a
 Name: "{app}"; Type: filesandordirs
 
 [Run]
-Filename: "{app}\Readarr.Console.exe"; StatusMsg: "Removing previous Windows Service"; Parameters: "/u"; Flags: runhidden waituntilterminated;
-Filename: "{app}\Readarr.Console.exe"; Description: "Enable Access from Other Devices"; StatusMsg: "Enabling Remote access"; Parameters: "/registerurl"; Flags: postinstall runascurrentuser runhidden waituntilterminated; Tasks: startupShortcut none;
-Filename: "{app}\Readarr.Console.exe"; StatusMsg: "Installing Windows Service"; Parameters: "/i"; Flags: runhidden waituntilterminated; Tasks: windowsService
+Filename: "{app}\Readarr.Console.exe"; StatusMsg: "Removing previous Windows Service"; Parameters: "/u /exitimmediately"; Flags: runhidden waituntilterminated;
+Filename: "{app}\Readarr.Console.exe"; Description: "Enable Access from Other Devices"; StatusMsg: "Enabling Remote access"; Parameters: "/registerurl /exitimmediately"; Flags: postinstall runascurrentuser runhidden waituntilterminated; Tasks: startupShortcut none;
+Filename: "{app}\Readarr.Console.exe"; StatusMsg: "Installing Windows Service"; Parameters: "/i /exitimmediately"; Flags: runhidden waituntilterminated; Tasks: windowsService
 Filename: "{app}\Readarr.exe"; Description: "Open Readarr Web UI"; Flags: postinstall skipifsilent nowait; Tasks: windowsService;
 Filename: "{app}\Readarr.exe"; Description: "Start Readarr"; Flags: postinstall skipifsilent nowait; Tasks: startupShortcut none;
 

src/NzbDrone.Common/EnvironmentInfo/StartupContext.cs

@@ -25,6 +25,7 @@ namespace NzbDrone.Common.EnvironmentInfo
         public const string RESTART = "restart";
         public const string REGISTER_URL = "registerurl";
         public const string NO_SINGLE_INSTANCE_CHECK = "nosingleinstancecheck";
+        public const string EXIT_IMMEDIATELY = "exitimmediately";
 
         public StartupContext(params string[] args)
         {
@@ -55,6 +56,7 @@ namespace NzbDrone.Common.EnvironmentInfo
         public bool InstallService => Flags.Contains(INSTALL_SERVICE);
         public bool UninstallService => Flags.Contains(UNINSTALL_SERVICE);
         public bool RegisterUrl => Flags.Contains(REGISTER_URL);
+        public bool ExitImmediately => Flags.Contains(EXIT_IMMEDIATELY);
 
         public string PreservedArguments
         {

src/NzbDrone.Console/ConsoleApp.cs

@@ -1,7 +1,7 @@
 using System;
+using System.IO;
 using System.Net.Sockets;
-using Microsoft.AspNetCore.Hosting;
-using Microsoft.Extensions.Hosting;
+using Microsoft.AspNetCore.Connections;
 using NLog;
 using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Exceptions;
@@ -25,9 +25,11 @@ namespace NzbDrone.Console
 
         public static void Main(string[] args)
         {
+            StartupContext startupArgs = null;
+
             try
             {
-                var startupArgs = new StartupContext(args);
+                startupArgs = new StartupContext(args);
                 try
                 {
                     NzbDroneLogger.Register(startupArgs, false, true);
@@ -45,37 +47,50 @@ namespace NzbDrone.Console
                 System.Console.WriteLine("");
                 System.Console.WriteLine("");
                 Logger.Fatal(ex, "EPIC FAIL!");
-                Exit(ExitCodes.NonRecoverableFailure);
+                Exit(ExitCodes.NonRecoverableFailure, startupArgs);
             }
             catch (SocketException ex)
             {
                 System.Console.WriteLine("");
                 System.Console.WriteLine("");
                 Logger.Fatal(ex.Message + ". This can happen if another instance of Readarr is already running another application is using the same port (default: 8787) or the user has insufficient permissions");
-                Exit(ExitCodes.RecoverableFailure);
+                Exit(ExitCodes.RecoverableFailure, startupArgs);
+            }
+            catch (IOException ex)
+            {
+                if (ex.InnerException is AddressInUseException)
+                {
+                    System.Console.WriteLine("");
+                    System.Console.WriteLine("");
+                    Logger.Fatal(ex.Message + " This can happen if another instance of Radarr is already running another application is using the same port (default: 7878) or the user has insufficient permissions");
+                    Exit(ExitCodes.RecoverableFailure, startupArgs);
+                }
+                else
+                {
+                    throw;
+                }
             }
             catch (RemoteAccessException ex)
             {
                 System.Console.WriteLine("");
                 System.Console.WriteLine("");
                 Logger.Fatal(ex, "EPIC FAIL!");
-                Exit(ExitCodes.Normal);
+                Exit(ExitCodes.Normal, startupArgs);
             }
             catch (Exception ex)
             {
                 System.Console.WriteLine("");
                 System.Console.WriteLine("");
                 Logger.Fatal(ex, "EPIC FAIL!");
-                System.Console.WriteLine("EPIC FAIL! " + ex.ToString());
-                Exit(ExitCodes.UnknownFailure);
+                Exit(ExitCodes.UnknownFailure, startupArgs);
             }
 
             Logger.Info("Exiting main.");
 
-            Exit(ExitCodes.Normal);
+            Exit(ExitCodes.Normal, startupArgs);
         }
 
-        private static void Exit(ExitCodes exitCode)
+        private static void Exit(ExitCodes exitCode, StartupContext startupArgs)
         {
             LogManager.Shutdown();
 
@@ -87,6 +102,13 @@ namespace NzbDrone.Console
 
                 if (exitCode == ExitCodes.NonRecoverableFailure)
                 {
+                    if (startupArgs?.ExitImmediately == true)
+                    {
+                        System.Console.WriteLine("Non-recoverable failure, but set to exit immediately");
+
+                        Environment.Exit((int)exitCode);
+                    }
+
                     System.Console.WriteLine("Non-recoverable failure, waiting for user intervention...");
                     for (int i = 0; i < 3600; i++)
                     {