Hello, world!

4 | /// IBackgroundServices are started at app startup by default 5 | /// or started based on GlobalScope settings when registered and the current global scope
6 | ///

4 | /// Scope provider 5 | ///

9 | /// Scope source method 10 | ///

GetGlobalScope(); 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /SpawnDev.BackgroundServices/IAsyncBackgroundService.cs: -------------------------------------------------------------------------------- 1 | namespace SpawnDev 2 | { 3 | ///

4 | /// IAsyncBackgroundServices are IAsyncServices started at app startup by default 5 | /// or started based on GlobalScope settings when registered and the current global scope
6 | ///

7 | public interface IAsyncBackgroundService : IBackgroundService, IAsyncService { } 8 | } 9 | -------------------------------------------------------------------------------- /SpawnDev.BackgroundServices.Demo/Pages/Counter.razor: -------------------------------------------------------------------------------- 1 | @page "/counter" 2 | 3 | Counter 4 | 5 |

Counter

6 | 7 |

Current count: @currentCount

8 | 9 | 10 | 11 | @code { 12 | private int currentCount = 0; 13 | 14 | private void IncrementCount() 15 | { 16 | currentCount++; 17 | } 18 | } 19 | -------------------------------------------------------------------------------- /SpawnDev.BackgroundServices.Demo/Layout/MainLayout.razor: -------------------------------------------------------------------------------- 1 | @inherits LayoutComponentBase 2 |

3 | 6 | 7 |

8 |

9 | About 10 |

11 | 12 |

13 | @Body 14 |

15 |

16 |

17 | -------------------------------------------------------------------------------- /SpawnDev.BackgroundServices/IAsyncService.cs: -------------------------------------------------------------------------------- 1 | namespace SpawnDev 2 | { 3 | ///

4 | /// IAsyncServices have a Ready Task property that completes successfully when the service is ready for use.
5 | ///

6 | public interface IAsyncService 7 | { 8 | ///

9 | /// Completes successfully when asynchronous initialization has completed 10 | ///

11 | Task Ready { get; } 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /SpawnDev.BackgroundServices.Demo/_Imports.razor: -------------------------------------------------------------------------------- 1 | @using System.Net.Http 2 | @using System.Net.Http.Json 3 | @using Microsoft.AspNetCore.Components.Forms 4 | @using Microsoft.AspNetCore.Components.Routing 5 | @using Microsoft.AspNetCore.Components.Web 6 | @using Microsoft.AspNetCore.Components.Web.Virtualization 7 | @using Microsoft.AspNetCore.Components.WebAssembly.Http 8 | @using Microsoft.JSInterop 9 | @using SpawnDev.BackgroundServices.Demo 10 | @using SpawnDev.BackgroundServices.Demo.Layout 11 | -------------------------------------------------------------------------------- /SpawnDev.BackgroundServices.Demo/App.razor: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Not found 8 | 9 |

Sorry, there's nothing at this address.

10 | 11 | 12 | 13 | -------------------------------------------------------------------------------- /SpawnDev.BackgroundServices.Demo/wwwroot/sample-data/weather.json: -------------------------------------------------------------------------------- 1 | [ 2 | { 3 | "date": "2022-01-06", 4 | "temperatureC": 1, 5 | "summary": "Freezing" 6 | }, 7 | { 8 | "date": "2022-01-07", 9 | "temperatureC": 14, 10 | "summary": "Bracing" 11 | }, 12 | { 13 | "date": "2022-01-08", 14 | "temperatureC": -13, 15 | "summary": "Freezing" 16 | }, 17 | { 18 | "date": "2022-01-09", 19 | "temperatureC": -16, 20 | "summary": "Balmy" 21 | }, 22 | { 23 | "date": "2022-01-10", 24 | "temperatureC": -2, 25 | "summary": "Chilly" 26 | } 27 | ] 28 | -------------------------------------------------------------------------------- /SpawnDev.BackgroundServices.Demo/SpawnDev.BackgroundServices.Demo.csproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | net8.0 5 | enable 6 | enable 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | -------------------------------------------------------------------------------- /SpawnDev.BackgroundServices.Demo/Program.cs: -------------------------------------------------------------------------------- 1 | using Microsoft.AspNetCore.Components.Web; 2 | using Microsoft.AspNetCore.Components.WebAssembly.Hosting; 3 | using SpawnDev; 4 | using SpawnDev.BackgroundServices.Demo; 5 | using SpawnDev.BackgroundServices.Demo.Services; 6 | 7 | var builder = WebAssemblyHostBuilder.CreateDefault(args); 8 | 9 | builder.Services.AddBackgroundServiceManager(); 10 | builder.Services.AddSingleton(GlobalScope.Window); 11 | 12 | builder.RootComponents.Add("#app"); 13 | builder.RootComponents.Add("head::after"); 14 | 15 | builder.Services.AddScoped(sp => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) }); 16 | var host = builder.Build(); 17 | 18 | // start background services. specify the current globalScope to only auto-start services set for specific scopes 19 | await host.Services.StartBackgroundServices(); 20 | 21 | await host.RunAsync(); 22 | -------------------------------------------------------------------------------- /SpawnDev.BackgroundServices.Demo/wwwroot/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | SpawnDev.BackgroundServices.Demo 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |

17 | 21 |

22 |

23 | 24 |

25 | An unhandled error has occurred. 26 | Reload 27 | 🗙 28 |

29 | 30 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /LICENSE.txt: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) [year] [fullname] 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /SpawnDev.BackgroundServices.Demo/Layout/NavMenu.razor: -------------------------------------------------------------------------------- 1 | 9 | 10 |

11 | 28 |

29 | 30 | @code { 31 | private bool collapseNavMenu = true; 32 | 33 | private string? NavMenuCssClass => collapseNavMenu ? "collapse" : null; 34 | 35 | private void ToggleNavMenu() 36 | { 37 | collapseNavMenu = !collapseNavMenu; 38 | } 39 | } 40 | -------------------------------------------------------------------------------- /SpawnDev.BackgroundServices.Demo/Properties/launchSettings.json: -------------------------------------------------------------------------------- 1 | { 2 | "$schema": "http://json.schemastore.org/launchsettings.json", 3 | "iisSettings": { 4 | "windowsAuthentication": false, 5 | "anonymousAuthentication": true, 6 | "iisExpress": { 7 | "applicationUrl": "http://localhost:52147", 8 | "sslPort": 44320 9 | } 10 | }, 11 | "profiles": { 12 | "http": { 13 | "commandName": "Project", 14 | "dotnetRunMessages": true, 15 | "launchBrowser": true, 16 | "inspectUri": "{wsProtocol}://{url.hostname}:{url.port}/_framework/debug/ws-proxy?browser={browserInspectUri}", 17 | "applicationUrl": "http://localhost:5076", 18 | "environmentVariables": { 19 | "ASPNETCORE_ENVIRONMENT": "Development" 20 | } 21 | }, 22 | "https": { 23 | "commandName": "Project", 24 | "dotnetRunMessages": true, 25 | "launchBrowser": true, 26 | "inspectUri": "{wsProtocol}://{url.hostname}:{url.port}/_framework/debug/ws-proxy?browser={browserInspectUri}", 27 | "applicationUrl": "https://localhost:7290;http://localhost:5076", 28 | "environmentVariables": { 29 | "ASPNETCORE_ENVIRONMENT": "Development" 30 | } 31 | }, 32 | "IIS Express": { 33 | "commandName": "IISExpress", 34 | "launchBrowser": true, 35 | "inspectUri": "{wsProtocol}://{url.hostname}:{url.port}/_framework/debug/ws-proxy?browser={browserInspectUri}", 36 | "environmentVariables": { 37 | "ASPNETCORE_ENVIRONMENT": "Development" 38 | } 39 | } 40 | } 41 | } 42 | -------------------------------------------------------------------------------- /SpawnDev.BackgroundServices.Demo/Pages/Weather.razor: -------------------------------------------------------------------------------- 1 | @page "/weather" 2 | @inject HttpClient Http 3 | 4 | Weather 5 | 6 |

Weather

7 | 8 |

This component demonstrates fetching data from the server.

9 | 10 | @if (forecasts == null) 11 | { 12 |

Loading...

13 | } 14 | else 15 | { 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | @foreach (var forecast in forecasts) 27 | { 28 | 29 | 30 | 31 | 32 | 33 | 34 | } 35 | 36 |

Date	Temp. (C)	Temp. (F)	Summary
@forecast.Date.ToShortDateString()	@forecast.TemperatureC	@forecast.TemperatureF	@forecast.Summary

37 | } 38 | 39 | @code { 40 | private WeatherForecast[]? forecasts; 41 | 42 | protected override async Task OnInitializedAsync() 43 | { 44 | forecasts = await Http.GetFromJsonAsync("sample-data/weather.json"); 45 | } 46 | 47 | public class WeatherForecast 48 | { 49 | public DateOnly Date { get; set; } 50 | 51 | public int TemperatureC { get; set; } 52 | 53 | public string? Summary { get; set; } 54 | 55 | public int TemperatureF => 32 + (int)(TemperatureC / 0.5556); 56 | } 57 | } 58 | -------------------------------------------------------------------------------- /SpawnDev.BackgroundServices/AsyncGlobalScopeSource.cs: -------------------------------------------------------------------------------- 1 | namespace SpawnDev 2 | { 3 | ///

4 | /// Scope provider from a method 5 | ///

6 | public class GlobalScopeSource : IGlobalScopeSource 7 | { 8 | ///

9 | /// Scope source method 10 | ///

11 | private Func> ScopeSource { get; set; } 12 | ///

13 | /// Get the global scope from the current source 14 | ///

15 | /// 16 | public Task GetGlobalScope() => ScopeSource(); 17 | ///

18 | /// New instance 19 | ///

20 | /// 21 | public GlobalScopeSource(Func> source) 22 | { 23 | ScopeSource = source; 24 | } 25 | ///

26 | /// New instance 27 | ///

28 | /// 29 | public GlobalScopeSource(Task source) 30 | { 31 | ScopeSource = () => source; 32 | } 33 | ///

34 | /// New instance 35 | ///

36 | /// 37 | public GlobalScopeSource(Func source) 38 | { 39 | ScopeSource = () => Task.FromResult(source()); 40 | } 41 | ///

42 | /// New instance 43 | ///

44 | /// 45 | public GlobalScopeSource(GlobalScope source) 46 | { 47 | ScopeSource = () => Task.FromResult(source); 48 | } 49 | } 50 | } 51 | -------------------------------------------------------------------------------- /SpawnDev.BackgroundServices.Demo/Layout/MainLayout.razor.css: -------------------------------------------------------------------------------- 1 | .page { 2 | position: relative; 3 | display: flex; 4 | flex-direction: column; 5 | } 6 | 7 | main { 8 | flex: 1; 9 | } 10 | 11 | .sidebar { 12 | background-image: linear-gradient(180deg, rgb(5, 39, 103) 0%, #3a0647 70%); 13 | } 14 | 15 | .top-row { 16 | background-color: #f7f7f7; 17 | border-bottom: 1px solid #d6d5d5; 18 | justify-content: flex-end; 19 | height: 3.5rem; 20 | display: flex; 21 | align-items: center; 22 | } 23 | 24 | .top-row ::deep a, .top-row ::deep .btn-link { 25 | white-space: nowrap; 26 | margin-left: 1.5rem; 27 | text-decoration: none; 28 | } 29 | 30 | .top-row ::deep a:hover, .top-row ::deep .btn-link:hover { 31 | text-decoration: underline; 32 | } 33 | 34 | .top-row ::deep a:first-child { 35 | overflow: hidden; 36 | text-overflow: ellipsis; 37 | } 38 | 39 | @media (max-width: 640.98px) { 40 | .top-row { 41 | justify-content: space-between; 42 | } 43 | 44 | .top-row ::deep a, .top-row ::deep .btn-link { 45 | margin-left: 0; 46 | } 47 | } 48 | 49 | @media (min-width: 641px) { 50 | .page { 51 | flex-direction: row; 52 | } 53 | 54 | .sidebar { 55 | width: 250px; 56 | height: 100vh; 57 | position: sticky; 58 | top: 0; 59 | } 60 | 61 | .top-row { 62 | position: sticky; 63 | top: 0; 64 | z-index: 1; 65 | } 66 | 67 | .top-row.auth ::deep a:first-child { 68 | flex: 1; 69 | text-align: right; 70 | width: 0; 71 | } 72 | 73 | .top-row, article { 74 | padding-left: 2rem !important; 75 | padding-right: 1.5rem !important; 76 | } 77 | } 78 | -------------------------------------------------------------------------------- /SpawnDev.BackgroundServices.sln: -------------------------------------------------------------------------------- 1 | 2 | Microsoft Visual Studio Solution File, Format Version 12.00 3 | # Visual Studio Version 17 4 | VisualStudioVersion = 17.14.36705.20 5 | MinimumVisualStudioVersion = 10.0.40219.1 6 | Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SpawnDev.BackgroundServices", "SpawnDev.BackgroundServices\SpawnDev.BackgroundServices.csproj", "{EB002CD1-83BD-F135-19BE-0CB2649A5DA6}" 7 | EndProject 8 | Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SpawnDev.BackgroundServices.Demo", "SpawnDev.BackgroundServices.Demo\SpawnDev.BackgroundServices.Demo.csproj", "{C5422B91-79E3-470D-8722-A4E79B9F1B88}" 9 | EndProject 10 | Global 11 | GlobalSection(SolutionConfigurationPlatforms) = preSolution 12 | Debug|Any CPU = Debug|Any CPU 13 | Release|Any CPU = Release|Any CPU 14 | EndGlobalSection 15 | GlobalSection(ProjectConfigurationPlatforms) = postSolution 16 | {EB002CD1-83BD-F135-19BE-0CB2649A5DA6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU 17 | {EB002CD1-83BD-F135-19BE-0CB2649A5DA6}.Debug|Any CPU.Build.0 = Debug|Any CPU 18 | {EB002CD1-83BD-F135-19BE-0CB2649A5DA6}.Release|Any CPU.ActiveCfg = Release|Any CPU 19 | {EB002CD1-83BD-F135-19BE-0CB2649A5DA6}.Release|Any CPU.Build.0 = Release|Any CPU 20 | {C5422B91-79E3-470D-8722-A4E79B9F1B88}.Debug|Any CPU.ActiveCfg = Debug|Any CPU 21 | {C5422B91-79E3-470D-8722-A4E79B9F1B88}.Debug|Any CPU.Build.0 = Debug|Any CPU 22 | {C5422B91-79E3-470D-8722-A4E79B9F1B88}.Release|Any CPU.ActiveCfg = Release|Any CPU 23 | {C5422B91-79E3-470D-8722-A4E79B9F1B88}.Release|Any CPU.Build.0 = Release|Any CPU 24 | EndGlobalSection 25 | GlobalSection(SolutionProperties) = preSolution 26 | HideSolutionNode = FALSE 27 | EndGlobalSection 28 | GlobalSection(ExtensibilityGlobals) = postSolution 29 | SolutionGuid = {CE648F6E-D522-4692-9CA1-E21503C48D38} 30 | EndGlobalSection 31 | EndGlobal 32 | -------------------------------------------------------------------------------- /SpawnDev.BackgroundServices/SpawnDev.BackgroundServices.csproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | net6.0;net7.0;net8.0;net9.0 4 | latest 5 | enable 6 | enable 7 | 1.0.2 8 | True 9 | true 10 | true 11 | Embedded 12 | SpawnDev.BackgroundServices 13 | LostBeard 14 | Add support for autostarting services based on the running scope. 15 | https://github.com/LostBeard/SpawnDev.BackgroundServices 16 | README.md 17 | LICENSE.txt 18 | icon-128.png 19 | https://github.com/LostBeard/SpawnDev.BackgroundServices.git 20 | git 21 | DependencyInjection 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | -------------------------------------------------------------------------------- /.gitattributes: -------------------------------------------------------------------------------- 1 | ############################################################################### 2 | # Set default behavior to automatically normalize line endings. 3 | ############################################################################### 4 | * text=auto 5 | 6 | ############################################################################### 7 | # Set default behavior for command prompt diff. 8 | # 9 | # This is need for earlier builds of msysgit that does not have it on by 10 | # default for csharp files. 11 | # Note: This is only used by command line 12 | ############################################################################### 13 | #*.cs diff=csharp 14 | 15 | ############################################################################### 16 | # Set the merge driver for project and solution files 17 | # 18 | # Merging from the command prompt will add diff markers to the files if there 19 | # are conflicts (Merging from VS is not affected by the settings below, in VS 20 | # the diff markers are never inserted). Diff markers may cause the following 21 | # file extensions to fail to load in VS. An alternative would be to treat 22 | # these files as binary and thus will always conflict and require user 23 | # intervention with every merge. To do so, just uncomment the entries below 24 | ############################################################################### 25 | #*.sln merge=binary 26 | #*.csproj merge=binary 27 | #*.vbproj merge=binary 28 | #*.vcxproj merge=binary 29 | #*.vcproj merge=binary 30 | #*.dbproj merge=binary 31 | #*.fsproj merge=binary 32 | #*.lsproj merge=binary 33 | #*.wixproj merge=binary 34 | #*.modelproj merge=binary 35 | #*.sqlproj merge=binary 36 | #*.wwaproj merge=binary 37 | 38 | ############################################################################### 39 | # behavior for image files 40 | # 41 | # image files are treated as binary by default. 42 | ############################################################################### 43 | #*.jpg binary 44 | #*.png binary 45 | #*.gif binary 46 | 47 | ############################################################################### 48 | # diff behavior for common document formats 49 | # 50 | # Convert binary document formats to text before diffing them. This feature 51 | # is only available from the command line. Turn it on by uncommenting the 52 | # entries below. 53 | ############################################################################### 54 | #*.doc diff=astextplain 55 | #*.DOC diff=astextplain 56 | #*.docx diff=astextplain 57 | #*.DOCX diff=astextplain 58 | #*.dot diff=astextplain 59 | #*.DOT diff=astextplain 60 | #*.pdf diff=astextplain 61 | #*.PDF diff=astextplain 62 | #*.rtf diff=astextplain 63 | #*.RTF diff=astextplain 64 | -------------------------------------------------------------------------------- /SpawnDev.BackgroundServices.Demo/Layout/NavMenu.razor.css: -------------------------------------------------------------------------------- 1 | .navbar-toggler { 2 | background-color: rgba(255, 255, 255, 0.1); 3 | } 4 | 5 | .top-row { 6 | height: 3.5rem; 7 | background-color: rgba(0,0,0,0.4); 8 | } 9 | 10 | .navbar-brand { 11 | font-size: 1.1rem; 12 | } 13 | 14 | .bi { 15 | display: inline-block; 16 | position: relative; 17 | width: 1.25rem; 18 | height: 1.25rem; 19 | margin-right: 0.75rem; 20 | top: -1px; 21 | background-size: cover; 22 | } 23 | 24 | .bi-house-door-fill-nav-menu { 25 | background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-house-door-fill' viewBox='0 0 16 16'%3E%3Cpath d='M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5Z'/%3E%3C/svg%3E"); 26 | } 27 | 28 | .bi-plus-square-fill-nav-menu { 29 | background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-plus-square-fill' viewBox='0 0 16 16'%3E%3Cpath d='M2 0a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V2a2 2 0 0 0-2-2H2zm6.5 4.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3a.5.5 0 0 1 1 0z'/%3E%3C/svg%3E"); 30 | } 31 | 32 | .bi-list-nested-nav-menu { 33 | background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-list-nested' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M4.5 11.5A.5.5 0 0 1 5 11h10a.5.5 0 0 1 0 1H5a.5.5 0 0 1-.5-.5zm-2-4A.5.5 0 0 1 3 7h10a.5.5 0 0 1 0 1H3a.5.5 0 0 1-.5-.5zm-2-4A.5.5 0 0 1 1 3h10a.5.5 0 0 1 0 1H1a.5.5 0 0 1-.5-.5z'/%3E%3C/svg%3E"); 34 | } 35 | 36 | .nav-item { 37 | font-size: 0.9rem; 38 | padding-bottom: 0.5rem; 39 | } 40 | 41 | .nav-item:first-of-type { 42 | padding-top: 1rem; 43 | } 44 | 45 | .nav-item:last-of-type { 46 | padding-bottom: 1rem; 47 | } 48 | 49 | .nav-item ::deep a { 50 | color: #d7d7d7; 51 | border-radius: 4px; 52 | height: 3rem; 53 | display: flex; 54 | align-items: center; 55 | line-height: 3rem; 56 | } 57 | 58 | .nav-item ::deep a.active { 59 | background-color: rgba(255,255,255,0.37); 60 | color: white; 61 | } 62 | 63 | .nav-item ::deep a:hover { 64 | background-color: rgba(255,255,255,0.1); 65 | color: white; 66 | } 67 | 68 | @media (min-width: 641px) { 69 | .navbar-toggler { 70 | display: none; 71 | } 72 | 73 | .collapse { 74 | /* Never collapse the sidebar for wide screens */ 75 | display: block; 76 | } 77 | 78 | .nav-scrollable { 79 | /* Allow sidebar to scroll for tall menus */ 80 | height: calc(100vh - 3.5rem); 81 | overflow-y: auto; 82 | } 83 | } 84 | -------------------------------------------------------------------------------- /SpawnDev.BackgroundServices/IBackgroundServiceManager.cs: -------------------------------------------------------------------------------- 1 | using Microsoft.Extensions.DependencyInjection; 2 | 3 | namespace SpawnDev 4 | { 5 | ///

6 | /// Manages starting background services 7 | ///

8 | public interface IBackgroundServiceManager 9 | { 10 | ///

11 | /// Startup scope overrides for by service type.
12 | ///

13 | Dictionary AutoStartModes { get; } 14 | ///

15 | /// Service descriptors 16 | ///

17 | IServiceCollection Descriptors { get; } 18 | ///

19 | /// The scope used when background services were started (if they have been started) 20 | ///

21 | GlobalScope GlobalScope { get; } 22 | ///

23 | /// When background services are started this will be populated with service startup information used to determine what services to start 24 | ///

25 | List ServiceInformation { get; } 26 | ///

27 | /// Service provider 28 | ///

29 | IServiceProvider? Services { get; } 30 | ///

31 | /// Returns true if background services have already been started 32 | ///

33 | bool Started { get; } 34 | ///

35 | /// Fires after background service have started 36 | ///

37 | event Func OnStarted; 38 | ///

39 | /// Get service type startup scope override (if any) 40 | ///

41 | /// 42 | /// 43 | GlobalScope? GetAutoStartMode(Type type); 44 | ///

45 | /// Get keyed service 46 | ///

47 | /// 48 | /// 49 | /// 50 | (Type serviceType, object? serviceKey, ServiceDescriptor descriptor)? GetRegisteredServiceInfo(Type serviceType, object? serviceKey); 51 | ///

52 | /// Returns a list of registered services represented as a Tuple - ServiceType, ServiceKey, ServiceDescriptor 53 | ///

54 | /// Tuple (ServiceType, ServiceKey, ServiceDescriptor) 55 | List<(Type serviceType, object? serviceKey, ServiceDescriptor descriptor)> GetRegisteredServices(); 56 | ///

57 | /// Clears any set auto start modes 58 | ///

59 | void ResetAutoStartMode(); 60 | ///

61 | /// Resets the service type's startup mode 62 | ///

63 | /// 64 | /// 65 | void ResetAutoStartMode(Type serviceType); 66 | ///

67 | /// Sets the service type's startup mode 68 | ///

69 | /// 70 | /// 71 | /// 72 | void SetAutoStartMode(Type serviceType, GlobalScope autoStartMode); 73 | } 74 | } 75 | -------------------------------------------------------------------------------- /SpawnDev.BackgroundServices.Demo/wwwroot/css/app.css: -------------------------------------------------------------------------------- 1 | html, body { 2 | font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; 3 | } 4 | 5 | h1:focus { 6 | outline: none; 7 | } 8 | 9 | a, .btn-link { 10 | color: #0071c1; 11 | } 12 | 13 | .btn-primary { 14 | color: #fff; 15 | background-color: #1b6ec2; 16 | border-color: #1861ac; 17 | } 18 | 19 | .btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus { 20 | box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb; 21 | } 22 | 23 | .content { 24 | padding-top: 1.1rem; 25 | } 26 | 27 | .valid.modified:not([type=checkbox]) { 28 | outline: 1px solid #26b050; 29 | } 30 | 31 | .invalid { 32 | outline: 1px solid red; 33 | } 34 | 35 | .validation-message { 36 | color: red; 37 | } 38 | 39 | #blazor-error-ui { 40 | background: lightyellow; 41 | bottom: 0; 42 | box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2); 43 | display: none; 44 | left: 0; 45 | padding: 0.6rem 1.25rem 0.7rem 1.25rem; 46 | position: fixed; 47 | width: 100%; 48 | z-index: 1000; 49 | } 50 | 51 | #blazor-error-ui .dismiss { 52 | cursor: pointer; 53 | position: absolute; 54 | right: 0.75rem; 55 | top: 0.5rem; 56 | } 57 | 58 | .blazor-error-boundary { 59 | background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121; 60 | padding: 1rem 1rem 1rem 3.7rem; 61 | color: white; 62 | } 63 | 64 | .blazor-error-boundary::after { 65 | content: "An error has occurred." 66 | } 67 | 68 | .loading-progress { 69 | position: relative; 70 | display: block; 71 | width: 8rem; 72 | height: 8rem; 73 | margin: 20vh auto 1rem auto; 74 | } 75 | 76 | .loading-progress circle { 77 | fill: none; 78 | stroke: #e0e0e0; 79 | stroke-width: 0.6rem; 80 | transform-origin: 50% 50%; 81 | transform: rotate(-90deg); 82 | } 83 | 84 | .loading-progress circle:last-child { 85 | stroke: #1b6ec2; 86 | stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%; 87 | transition: stroke-dasharray 0.05s ease-in-out; 88 | } 89 | 90 | .loading-progress-text { 91 | position: absolute; 92 | text-align: center; 93 | font-weight: bold; 94 | inset: calc(20vh + 3.25rem) 0 auto 0.2rem; 95 | } 96 | 97 | .loading-progress-text:after { 98 | content: var(--blazor-load-percentage-text, "Loading"); 99 | } 100 | 101 | code { 102 | color: #c02d76; 103 | } 104 | -------------------------------------------------------------------------------- /SpawnDev.BackgroundServices/GlobalScope.cs: -------------------------------------------------------------------------------- 1 | namespace SpawnDev 2 | { 3 | ///

4 | /// GlobalScope is used in calls to IServiceCollection.AddSingleton() to control the scopes in which the service is automatically started.
5 | /// And used in the call to IServiceProvider.StartBackgroundServices() to select which startup scopes to start. 6 | ///

7 | [Flags] 8 | public enum GlobalScope 9 | { 10 | ///

11 | /// Default
12 | /// Descriptor: Start in All scopes if the service implements IBackgroundService or IAsyncBackgroundService.
13 | /// Startup: Start all scopes 14 | ///

15 | Default = 0, 16 | ///

17 | /// Browser Window global scope
18 | /// Descriptor: Start in this scope.
19 | /// Startup: Start this scope 20 | ///

21 | Window = 1, 22 | ///

23 | /// Browser DedicatedWorker global scope
24 | /// Descriptor: Start in this scope.
25 | /// Startup: Start this scope 26 | ///

27 | DedicatedWorker = 2, 28 | ///

29 | /// Browser SharedWorker global scope
30 | /// Descriptor: Start in this scope.
31 | /// Startup: Start this scope 32 | ///

33 | SharedWorker = 4, 34 | ///

35 | /// Browser ServiceWorker global scope
36 | /// Descriptor: Start in this scope.
37 | /// Startup: Start this scope 38 | ///

39 | ServiceWorker = 8, 40 | ///

41 | /// Non-browser scope
42 | /// Descriptor: Start in this scope.
43 | /// Startup: Start this scope 44 | ///

45 | NonBrowser = 16, 46 | ///

47 | /// Browser other scope
48 | /// Descriptor: Start in this scope.
49 | /// Startup: Start this scope 50 | ///

51 | BrowserOther = 32, 52 | ///

53 | /// DedicatedWorker or SharedWorker global scope
54 | /// Descriptor: Start in any of these scopes.
55 | /// Startup: Start all of these scopes 56 | ///

57 | DedicatedAndSharedWorkers = DedicatedWorker | SharedWorker, 58 | ///

59 | /// DedicatedWorker, SharedWorker, and ServiceWorker global scopes
60 | /// Descriptor: Start in any of these scopes.
61 | /// Startup: Start all of these scopes 62 | ///

63 | AllWorkers = DedicatedWorker | SharedWorker | ServiceWorker, 64 | ///

65 | /// All browser scopes
66 | /// Descriptor: Start in any of these scopes.
67 | /// Startup: Start all of these scopes 68 | ///

71 | /// All scopes
72 | /// Descriptor: Start in any of these scopes.
73 | /// Startup: Start all of these scopes 74 | ///

75 | AllTypical = Window | NonBrowser, 76 | ///

77 | /// All scopes
78 | /// Descriptor: Start in any scope.
79 | /// Startup: Start all scopes 80 | ///

81 | All = AllBrowser | NonBrowser, 82 | ///

83 | /// Auto scope.
84 | /// Descriptor: Not supported. Use AllTypical.
85 | /// Startup: Start OperatingSystem.IsBrowser() ? Window : NonBrowser 86 | ///

87 | AllTypicalAuto = 64, 88 | ///

89 | /// Auto scope.
90 | /// Descriptor: Not supported. Use All.
91 | /// Startup: Start OperatingSystem.IsBrowser() ? AllBrowser : NonBrowser 92 | ///

93 | AllAuto = 128, 94 | ///

95 | /// None. Ignored if combined with other flags.
96 | /// Descriptor: Do not auto start in any scope.
97 | /// Startup: Do not start any scopes. 98 | ///

99 | None = 256, 100 | } 101 | } 102 | -------------------------------------------------------------------------------- /SpawnDev.BackgroundServices/ServiceInformation.cs: -------------------------------------------------------------------------------- 1 | using Microsoft.Extensions.DependencyInjection; 2 | 3 | namespace SpawnDev 4 | { 5 | ///

6 | /// Scoped service information 7 | ///

8 | public class ServiceInformation 9 | { 10 | ///

11 | /// Service type 12 | ///

13 | public Type ServiceType { get; private set; } 14 | ///

15 | /// The implementation type (if found) 16 | ///

17 | public Type? ImplementationType { get; private set; } 18 | ///

19 | /// The service key (if IsKeyedService) 20 | ///

21 | public object? ServiceKey { get; private set; } = null; 22 | ///

23 | /// True if this is a keyed service 24 | ///

25 | public bool IsKeyedService { get; private set; } 26 | ///

27 | /// This service 28 | ///

29 | public ServiceDescriptor ServiceDescriptor { get; private set; } 30 | ///

31 | /// Returns the service instance if found 32 | ///

33 | public object? ImplementationInstance 34 | { 35 | get 36 | { 37 | #if NET8_0_OR_GREATER 38 | return ServiceDescriptor.IsKeyedService ? ServiceDescriptor.KeyedImplementationInstance : null; 39 | #else 40 | return ServiceDescriptor.ImplementationInstance; 41 | #endif 42 | } 43 | } 44 | ///

45 | /// The scope(s) started 46 | ///

47 | public GlobalScope CurrentGlobalScope { get; set; } 48 | ///

49 | /// The scopes this service should auto start during 50 | ///

51 | public GlobalScope ServiceAutoStartScope { get; set; } 52 | ///

53 | /// True if the service implements IBackgroundService 54 | ///

55 | public bool ImplementsIBackgroundService { get; private set; } 56 | ///

57 | /// True if the service implements IAsyncBackgroundService 58 | ///

59 | public bool ImplementsIAsyncBackgroundService { get; private set; } 60 | ///

61 | /// Returns true if this service be started with background services 62 | ///

63 | public bool CurrentScopeAutoStart { get; private set; } 64 | ///

65 | /// Returns the service from the given service provider, or null if not found 66 | ///

67 | /// 68 | /// 69 | public object? GetService(IServiceProvider serviceProvider) 70 | { 71 | object? service = null; 72 | if (IsKeyedService) 73 | { 74 | #if NET8_0_OR_GREATER 75 | service = serviceProvider.GetRequiredKeyedService(ServiceType, ServiceKey); 76 | #endif 77 | } 78 | else 79 | { 80 | service = serviceProvider.GetRequiredService(ServiceType); 81 | } 82 | return service; 83 | } 84 | ///

85 | /// Returns the service from the given service provider, or null if not found.
86 | /// If the service implements IAsync its Ready property will be awaited 87 | ///

88 | /// 89 | /// 90 | public async Task GetServiceAsync(IServiceProvider serviceProvider) 91 | { 92 | object? service = GetService(serviceProvider); 93 | if (service is IAsyncService asyncBackgroundService) 94 | { 95 | await asyncBackgroundService.Ready; 96 | } 97 | return service; 98 | } 99 | internal ServiceInformation(ServiceDescriptor serviceDescriptor, GlobalScope currentGlobalScope, GlobalScope? serviceAutoStartScopeSet) 100 | { 101 | ServiceDescriptor = serviceDescriptor; 102 | ServiceType = ServiceDescriptor.ServiceType; 103 | #if NET8_0_OR_GREATER 104 | IsKeyedService = ServiceDescriptor.IsKeyedService; 105 | if (ServiceDescriptor.IsKeyedService) 106 | { 107 | ServiceKey = ServiceDescriptor.ServiceKey; 108 | ImplementationType = ServiceDescriptor.KeyedImplementationType ?? ServiceDescriptor.KeyedImplementationInstance?.GetType(); 109 | } 110 | #endif 111 | if (!IsKeyedService) 112 | { 113 | ImplementationType = ServiceDescriptor.ImplementationType ?? ServiceDescriptor.ImplementationInstance?.GetType(); 114 | } 115 | ImplementsIBackgroundService = typeof(IBackgroundService).IsAssignableFrom(ServiceType) 116 | || (ImplementationType != null && typeof(IBackgroundService).IsAssignableFrom(ImplementationType)); 117 | ImplementsIAsyncBackgroundService = typeof(IAsyncBackgroundService).IsAssignableFrom(ServiceType) 118 | || (ImplementationType != null && typeof(IAsyncBackgroundService).IsAssignableFrom(ImplementationType)); 119 | GlobalScope serviceAutoStartScope; 120 | if (serviceAutoStartScopeSet == null || serviceAutoStartScopeSet.Value == GlobalScope.Default) 121 | { 122 | serviceAutoStartScope = ImplementsIBackgroundService ? GlobalScope.All : GlobalScope.None; 123 | } 124 | else 125 | { 126 | serviceAutoStartScope = serviceAutoStartScopeSet.Value; 127 | } 128 | // a couple GlobalScopes are only used when calling StartBackgroundServices 129 | switch (serviceAutoStartScope) 130 | { 131 | case GlobalScope.AllTypicalAuto: 132 | throw new Exception($"Invalid service startup scope: GlobalScope.AllTypicalAuto. Use GlobalScope.AllTypical"); 133 | case GlobalScope.AllAuto: 134 | throw new Exception($"Invalid service startup scope: GlobalScope.AllAuto. Use GlobalScope.All"); 135 | } 136 | var lifetimeCanAutoStart = false; 137 | if (OperatingSystem.IsBrowser()) 138 | { 139 | // in the browser scoped and singleton have the same lifespan 140 | lifetimeCanAutoStart = ServiceDescriptor.Lifetime == ServiceLifetime.Singleton || ServiceDescriptor.Lifetime == ServiceLifetime.Scoped; 141 | } 142 | else 143 | { 144 | lifetimeCanAutoStart = ServiceDescriptor.Lifetime == ServiceLifetime.Singleton; 145 | } 146 | var shouldStart = currentGlobalScope != GlobalScope.None && lifetimeCanAutoStart && (currentGlobalScope & serviceAutoStartScope) != 0; 147 | ServiceAutoStartScope = serviceAutoStartScope; 148 | CurrentScopeAutoStart = shouldStart; 149 | CurrentGlobalScope = currentGlobalScope; 150 | } 151 | } 152 | } 153 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | ## Ignore Visual Studio temporary files, build results, and 2 | ## files generated by popular Visual Studio add-ons. 3 | ## 4 | ## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore 5 | 6 | # User-specific files 7 | *.rsuser 8 | *.suo 9 | *.user 10 | *.userosscache 11 | *.sln.docstates 12 | 13 | # User-specific files (MonoDevelop/Xamarin Studio) 14 | *.userprefs 15 | 16 | # Mono auto generated files 17 | mono_crash.* 18 | 19 | # Build results 20 | [Dd]ebug/ 21 | [Dd]ebugPublic/ 22 | [Rr]elease/ 23 | [Rr]eleases/ 24 | x64/ 25 | x86/ 26 | [Ww][Ii][Nn]32/ 27 | [Aa][Rr][Mm]/ 28 | [Aa][Rr][Mm]64/ 29 | bld/ 30 | [Bb]in/ 31 | [Oo]bj/ 32 | [Oo]ut/ 33 | [Ll]og/ 34 | [Ll]ogs/ 35 | 36 | # Visual Studio 2015/2017 cache/options directory 37 | .vs/ 38 | # Uncomment if you have tasks that create the project's static files in wwwroot 39 | #wwwroot/ 40 | 41 | # Visual Studio 2017 auto generated files 42 | Generated\ Files/ 43 | 44 | # MSTest test Results 45 | [Tt]est[Rr]esult*/ 46 | [Bb]uild[Ll]og.* 47 | 48 | # NUnit 49 | *.VisualState.xml 50 | TestResult.xml 51 | nunit-*.xml 52 | 53 | # Build Results of an ATL Project 54 | [Dd]ebugPS/ 55 | [Rr]eleasePS/ 56 | dlldata.c 57 | 58 | # Benchmark Results 59 | BenchmarkDotNet.Artifacts/ 60 | 61 | # .NET Core 62 | project.lock.json 63 | project.fragment.lock.json 64 | artifacts/ 65 | 66 | # ASP.NET Scaffolding 67 | ScaffoldingReadMe.txt 68 | 69 | # StyleCop 70 | StyleCopReport.xml 71 | 72 | # Files built by Visual Studio 73 | *_i.c 74 | *_p.c 75 | *_h.h 76 | *.ilk 77 | *.meta 78 | *.obj 79 | *.iobj 80 | *.pch 81 | *.pdb 82 | *.ipdb 83 | *.pgc 84 | *.pgd 85 | *.rsp 86 | *.sbr 87 | *.tlb 88 | *.tli 89 | *.tlh 90 | *.tmp 91 | *.tmp_proj 92 | *_wpftmp.csproj 93 | *.log 94 | *.vspscc 95 | *.vssscc 96 | .builds 97 | *.pidb 98 | *.svclog 99 | *.scc 100 | 101 | # Chutzpah Test files 102 | _Chutzpah* 103 | 104 | # Visual C++ cache files 105 | ipch/ 106 | *.aps 107 | *.ncb 108 | *.opendb 109 | *.opensdf 110 | *.sdf 111 | *.cachefile 112 | *.VC.db 113 | *.VC.VC.opendb 114 | 115 | # Visual Studio profiler 116 | *.psess 117 | *.vsp 118 | *.vspx 119 | *.sap 120 | 121 | # Visual Studio Trace Files 122 | *.e2e 123 | 124 | # TFS 2012 Local Workspace 125 | $tf/ 126 | 127 | # Guidance Automation Toolkit 128 | *.gpState 129 | 130 | # ReSharper is a .NET coding add-in 131 | _ReSharper*/ 132 | *.[Rr]e[Ss]harper 133 | *.DotSettings.user 134 | 135 | # TeamCity is a build add-in 136 | _TeamCity* 137 | 138 | # DotCover is a Code Coverage Tool 139 | *.dotCover 140 | 141 | # AxoCover is a Code Coverage Tool 142 | .axoCover/* 143 | !.axoCover/settings.json 144 | 145 | # Coverlet is a free, cross platform Code Coverage Tool 146 | coverage*.json 147 | coverage*.xml 148 | coverage*.info 149 | 150 | # Visual Studio code coverage results 151 | *.coverage 152 | *.coveragexml 153 | 154 | # NCrunch 155 | _NCrunch_* 156 | .*crunch*.local.xml 157 | nCrunchTemp_* 158 | 159 | # MightyMoose 160 | *.mm.* 161 | AutoTest.Net/ 162 | 163 | # Web workbench (sass) 164 | .sass-cache/ 165 | 166 | # Installshield output folder 167 | [Ee]xpress/ 168 | 169 | # DocProject is a documentation generator add-in 170 | DocProject/buildhelp/ 171 | DocProject/Help/*.HxT 172 | DocProject/Help/*.HxC 173 | DocProject/Help/*.hhc 174 | DocProject/Help/*.hhk 175 | DocProject/Help/*.hhp 176 | DocProject/Help/Html2 177 | DocProject/Help/html 178 | 179 | # Click-Once directory 180 | publish/ 181 | 182 | # Publish Web Output 183 | *.[Pp]ublish.xml 184 | *.azurePubxml 185 | # Note: Comment the next line if you want to checkin your web deploy settings, 186 | # but database connection strings (with potential passwords) will be unencrypted 187 | *.pubxml 188 | *.publishproj 189 | 190 | # Microsoft Azure Web App publish settings. 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8 | /// Manages starting background services 9 | ///

10 | public class BackgroundServiceManager : IBackgroundServiceManager 11 | { 12 | List> StartupCallbacks = new List>(); 13 | ///

14 | /// Fires after background service have started 15 | ///

16 | public event Func OnStarted 17 | { 18 | add => StartupCallbacks.Add(value); 19 | remove => StartupCallbacks.Remove(value); 20 | } 21 | ///

22 | /// The scope used when background services were started (if they have been started) 23 | ///

24 | public GlobalScope GlobalScope { get; internal set; } = GlobalScope.Default; 25 | ///

26 | /// Service provider 27 | ///

28 | public IServiceProvider? Services { get; private set; } 29 | ///

30 | /// Service descriptors 31 | ///

32 | public IServiceCollection Descriptors { get; } 33 | ///

34 | /// Returns true if background services have already been started 35 | ///

36 | public bool Started { get; internal set; } 37 | ///

38 | /// When background services are started this will be populated with service startup information used to determine what services to start 39 | ///

40 | public List ServiceInformation { get; internal set; } = new List(); 41 | ///

42 | /// Startup scope overrides for by service type.
43 | ///

44 | public Dictionary AutoStartModes { get; private set; } = new Dictionary(); 45 | internal ServiceInformation? GetServiceInfo(Type serviceType, object? serviceKey) 46 | { 47 | return ServiceInformation.Where(o => o.ServiceType == serviceType && o.ServiceKey == serviceKey).LastOrDefault(); 48 | } 49 | internal List GetServiceInfos(Type serviceType, object? serviceKey) 50 | { 51 | return ServiceInformation.Where(o => o.ServiceType == serviceType && o.ServiceKey == serviceKey).ToList(); 52 | } 53 | ///

54 | /// New instance 55 | ///

56 | /// 57 | internal BackgroundServiceManager(IServiceCollection serviceCollection) 58 | { 59 | Descriptors = serviceCollection; 60 | serviceCollection.TryAddSingleton(Descriptors); 61 | serviceCollection.TryAddSingleton(sp => sp); 62 | } 63 | ///

64 | /// Returns a list of registered services represented as a Tuple - ServiceType, ServiceKey, ServiceDescriptor 65 | ///

66 | /// Tuple (ServiceType, ServiceKey, ServiceDescriptor) 67 | public List<(Type serviceType, object? serviceKey, ServiceDescriptor descriptor)> GetRegisteredServices() 68 | { 69 | return Descriptors.Select(x => 70 | { 71 | object? serviceKey = null; 72 | #if NET8_0_OR_GREATER 73 | serviceKey = x.ServiceKey; 74 | #endif 75 | return (x.ServiceType, serviceKey, x); 76 | }).ToList(); 77 | } 78 | ///

79 | /// Get keyed service 80 | ///

81 | /// 82 | /// 83 | /// 84 | public (Type serviceType, object? serviceKey, ServiceDescriptor descriptor)? GetRegisteredServiceInfo(Type serviceType, object? serviceKey) 85 | { 86 | var ret = GetRegisteredServices().Where(o => o.Item1 == serviceType && o.Item2 == serviceKey).LastOrDefault(); 87 | return ret; 88 | } 89 | ///

90 | /// Get service type startup scope override (if any) 91 | ///

92 | /// 93 | /// 94 | public GlobalScope? GetAutoStartMode(Type type) 95 | { 96 | return AutoStartModes.TryGetValue(type, out var mode) ? mode : null; 97 | } 98 | ///

99 | /// Starts background service using the registered IGlobalScopeSource service if one.
100 | /// GlobalScope.AllTypicalAuto will be used if no source is found 101 | ///

102 | /// 103 | /// 104 | internal async Task StartBackgroundServices(IServiceProvider serviceProvider) 105 | { 106 | GlobalScope? scope = null; 107 | var scopeProvider = serviceProvider.GetService(); 108 | if (scopeProvider != null) 109 | { 110 | scope = await scopeProvider.GetGlobalScope(); 111 | } 112 | scope ??= GlobalScope.AllTypicalAuto; 113 | await StartBackgroundServices(serviceProvider, scope.Value); 114 | } 115 | ///

116 | /// Starts background services.
117 | /// This is called by internally by the extension method: IServiceProvider.StartBackgroundServices((GlobalScope)globalScope) 118 | ///

119 | /// 120 | /// 121 | /// 122 | /// 123 | /// 124 | internal async Task StartBackgroundServices(IServiceProvider serviceProvider, GlobalScope globalScope) 125 | { 126 | switch (globalScope) 127 | { 128 | case GlobalScope.Default: 129 | globalScope = GlobalScope.All; 130 | break; 131 | case GlobalScope.AllTypicalAuto: 132 | globalScope = OperatingSystem.IsBrowser() ? GlobalScope.Window : GlobalScope.NonBrowser; 133 | break; 134 | case GlobalScope.AllAuto: 135 | globalScope = OperatingSystem.IsBrowser() ? GlobalScope.AllBrowser : GlobalScope.NonBrowser; 136 | break; 137 | } 138 | if (serviceProvider == null) throw new ArgumentNullException(nameof(serviceProvider)); 139 | Services = serviceProvider; 140 | Started = true; 141 | var hasWork = (GlobalScope & globalScope) != globalScope; 142 | if (!hasWork) 143 | { 144 | // already started with these flags 145 | return; 146 | } 147 | GlobalScope |= globalScope; 148 | var serviceCollection = Services.GetRequiredService(); 149 | ServiceInformation = serviceCollection!.Select(o => new ServiceInformation(o, globalScope, GetAutoStartMode(o.ServiceType))).ToList(); 150 | var shouldStartInfos = ServiceInformation.Where(o => o.CurrentScopeAutoStart).ToList(); 151 | var services = new List