Add sequential auto backup option

src/ARKServerManager/Config.Designer.cs

@@ -1402,7 +1402,37 @@ namespace ServerManagerTool {
                 this["AutoBackup_BackupPeriod"] = value;
             }
         }
-        
+
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("True")]
+        public bool AutoBackup_ParallelBackup
+        {
+            get
+            {
+                return ((bool)(this["AutoBackup_ParallelBackup"]));
+            }
+            set
+            {
+                this["AutoBackup_ParallelBackup"] = value;
+            }
+        }
+
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("10")]
+        public int AutoBackup_SequencialDelayPeriod
+        {
+            get
+            {
+                return ((int)(this["AutoBackup_SequencialDelayPeriod"]));
+            }
+            set
+            {
+                this["AutoBackup_SequencialDelayPeriod"] = value;
+            }
+        }
+
         [global::System.Configuration.UserScopedSettingAttribute()]
         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
         [global::System.Configuration.DefaultSettingValueAttribute("False")]

src/ARKServerManager/Globalization/en-US/en-US.xaml

@@ -657,6 +657,10 @@
     <sys:String x:Key="GlobalSettings_ParallelUpdateTooltip">If enabled, when the auto-update is performed all servers will be updated at the same time, otherwise each server will be updated one after the other (this will take more time to complete).</sys:String>
     <sys:String x:Key="GlobalSettings_SequencialDelayPeriodLabel">Delay between each server update</sys:String>
     <sys:String x:Key="GlobalSettings_SequencialDelayPeriodTooltip">The amount of time to wait in between each server update, only available if Parallel Update is disabled.</sys:String>
+    <sys:String x:Key="GlobalSettings_ParallelBackupLabel">Backup servers in parallel</sys:String>
+    <sys:String x:Key="GlobalSettings_ParallelBackupTooltip">If enabled, when the auto-backup is performed all servers will be backup at the same time, otherwise each server will be backup one after the other (this could produce less server lags).</sys:String>
+    <sys:String x:Key="GlobalSettings_AutoBacckupSequencialDelayPeriodLabel">Delay between each server backup</sys:String>
+    <sys:String x:Key="GlobalSettings_AutoBackupSequencialDelayPeriodTooltip">The amount of time to wait in between each server backup, only available if Parallel Backup is disabled.</sys:String>
 
     <sys:String x:Key="GlobalSettings_AutoRestartLabel">Auto Restart Options</sys:String>
     <sys:String x:Key="GlobalSettings_RestartGraceIntervalInformationLabel">The grace period does not prevent auto-updates from restarting your server.</sys:String>

src/ARKServerManager/Lib/ServerApp.cs

@@ -3391,18 +3391,43 @@ namespace ServerManagerTool.Lib
                 var profiles = _profiles.Keys.Where(p => p.EnableAutoBackup);
                 var exitCodes = new ConcurrentDictionary<ServerProfileSnapshot, int>();
 
-                Parallel.ForEach(profiles, profile => {
+
-                    var app = new ServerApp
+                if (Config.Default.AutoBackup_ParallelBackup)
+                {
+                    Parallel.ForEach(profiles, profile => {
+                        var app = new ServerApp
+                        {
+                            DeleteOldBackupFiles = Config.Default.AutoBackup_DeleteOldFiles,
+                            OutputLogs = true,
+                            SendAlerts = true,
+                            SendEmails = true,
+                            ServerProcess = ServerProcessType.AutoBackup
+                        };
+                        app.PerformProfileBackup(profile, CancellationToken.None);
+                        exitCodes.TryAdd(profile, app.ExitCode);
+                    });
+                }
+                else
+                {
+                    var delay = 0;
+                    foreach (ServerProfileSnapshot profile in profiles)
                     {
-                        DeleteOldBackupFiles = Config.Default.AutoBackup_DeleteOldFiles,
+                        if (delay > 0)
-                        OutputLogs = true,
+                            Task.Delay(delay * 1000).Wait();
-                        SendAlerts = true,
+                        delay = Math.Max(0, Config.Default.AutoBackup_SequencialDelayPeriod);
-                        SendEmails = true,
+
-                        ServerProcess = ServerProcessType.AutoBackup
+                        var app = new ServerApp
-                    };
+                        {
-                    app.PerformProfileBackup(profile, CancellationToken.None);
+                            DeleteOldBackupFiles = Config.Default.AutoBackup_DeleteOldFiles,
-                    exitCodes.TryAdd(profile, app.ExitCode);
+                            OutputLogs = true,
-                });
+                            SendAlerts = true,
+                            SendEmails = true,
+                            ServerProcess = ServerProcessType.AutoBackup
+                        };
+                        app.PerformProfileBackup(profile, CancellationToken.None);
+                        exitCodes.TryAdd(profile, app.ExitCode);
+                    }
+                }
 
                 foreach (var profile in _profiles.Keys)
                 {

src/ARKServerManager/UserControls/GlobalSettingsControl.xaml

@@ -419,6 +419,9 @@
                                 <Binding Path="Config.AutoBackup_BackupPeriod" Converter="{StaticResource MinutesToTimeValueConverter}"/>
                             </TextBox.Text>
                         </TextBox>
+
+                        <CheckBox Grid.Row="3" Grid.Column="0" Margin="5,2,0,2" Grid.ColumnSpan="2" Content="{DynamicResource GlobalSettings_ParallelBackupLabel}" IsChecked="{Binding Config.AutoBackup_ParallelBackup, Mode=TwoWay}" ToolTip="{DynamicResource GlobalSettings_ParallelBackupTooltip}" VerticalAlignment="Center" HorizontalAlignment="Left"/>
+                        <cctl:AnnotatedSlider Grid.Row="3" Grid.Column="2" Grid.ColumnSpan="3" Margin="0,2,0,2" Label="{DynamicResource GlobalSettings_AutoBacckupSequencialDelayPeriodLabel}" Value="{Binding Config.AutoBackup_SequencialDelayPeriod}" Minimum="0" Maximum="1200" SmallChange="1" LargeChange="2" TickFrequency="5" LabelRelativeWidth="Auto" SliderRelativeWidth="15*" SuffixRelativeWidth="Auto" Suffix="{DynamicResource SliderUnits_Seconds}" ToolTip="{DynamicResource GlobalSettings_AutoBackupSequencialDelayPeriodTooltip}" IsEnabled="{Binding Config.AutoBackup_ParallelBackup, Converter={StaticResource InvertBooleanConverter}}"/>
                     </Grid>
                 </GroupBox>