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「.NET Core Console」の版間の差分

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1行目: 1行目:
 
| [[.NET Core]] | [[ASP.NET Core]]  | [[C Sharp]] |  
 
| [[.NET Core]] | [[ASP.NET Core]]  | [[C Sharp]] |  
 
==.NET Core Console/Worker==
 
==.NET Core Console/Worker==
===汎用HOST===
+
==汎用HOST==
 
*https://docs.microsoft.com/ja-jp/dotnet/core/extensions/generic-host
 
*https://docs.microsoft.com/ja-jp/dotnet/core/extensions/generic-host
  
28行目: 28行目:
 
</pre>
 
</pre>
 
===実装===
 
===実装===
*Progmram.cs
+
----
 +
====Progmram.cs====
 
<pre>
 
<pre>
 
using System;
 
using System;
77行目: 78行目:
 
</pre>
 
</pre>
  
*設定ロード先
+
====設定ロード先====
 
<pre>
 
<pre>
 
namespace docWeb.Models
 
namespace docWeb.Models
97行目: 98行目:
 
</pre>
 
</pre>
  
*ワーカー
+
====ワーカー====
 
<pre>
 
<pre>
 
using System;
 
using System;
140行目: 141行目:
 
}
 
}
 
</pre>
 
</pre>
 
 
===Hostedアプリケーションの停止をプログラムから===
 
===Hostedアプリケーションの停止をプログラムから===
 
<pre>
 
<pre>
154行目: 154行目:
 
{
 
{
 
     _lifeTime.StopApplication();
 
     _lifeTime.StopApplication();
 +
}
 +
</pre>
 +
==汎用HOSTで実施したことをConsoleで==
 +
<pre>
 +
using System;
 +
using System.IO;
 +
using docweb.Services;
 +
using docWeb.Models;
 +
using docweb_bat.Jobs;
 +
using Microsoft.Extensions.Configuration;
 +
using Microsoft.Extensions.DependencyInjection;
 +
using Microsoft.Extensions.Options;
 +
 +
namespace docweb_bat
 +
{
 +
    public class Program
 +
    {
 +
        static void Main(string[] args)
 +
        {
 +
            IServiceCollection services = new ServiceCollection();
 +
           
 +
            var configuration = GetConfiguration(args);
 +
           
 +
            // require Microsoft.Extensions.Configuration.Binder
 +
            IDocumentWebDatabaseSettings dbSettings
 +
                = configuration.GetSection(nameof(DocumentWebDatabaseSettings))
 +
                    .Get<DocumentWebDatabaseSettings>();
 +
 +
            // DI
 +
            services.AddSingleton<IConfiguration>(configuration);
 +
            services.AddSingleton<IDocumentWebDatabaseSettings>(sp => dbSettings);
 +
            services.AddSingleton<DocumentWebService>();
 +
 +
            // JOBS
 +
            services.AddSingleton<GetCollection>();
 +
 +
            var job = services.BuildServiceProvider().GetService<GetCollection>();
 +
            job.Run();
 +
 +
        }
 +
        private static IConfiguration GetConfiguration(string[] args) {
 +
           
 +
            // export DECWEB_ENV=Development
 +
            // or launch.json configurations.env section
 +
            var environmentName = Environment.GetEnvironmentVariable("DOCWEB_ENV");
 +
            Console.WriteLine($"Environment:{environmentName}");
 +
 +
            IConfiguration configuration = new ConfigurationBuilder()
 +
                .SetBasePath(Directory.GetCurrentDirectory())
 +
                .AddJsonFile("appsettings.json", true, true)
 +
                .AddJsonFile($"appsettings.{environmentName}.json", true, true)
 +
                .AddCommandLine(args)
 +
                .Build();
 +
 +
            return configuration;
 +
        }
 +
    }
 
}
 
}
 
</pre>
 
</pre>

2021年7月4日 (日) 10:07時点における最新版

| .NET Core | ASP.NET Core | C Sharp |

.NET Core Console/Worker

汎用HOST

プロジェクト作成

$ dotnet new worker -o docweb_bat2
$ dotnet new gitignore

NuGet

Configuration

dotnet add package Microsoft.Extensions.Configuration.Json --version 5.0.0
dotnet add package Microsoft.Extensions.Configuration.CommandLine --version 5.0.0

Logging

  • Log4net
dotnet add package Microsoft.Extensions.Logging.Log4Net.AspNetCore --version 5.0.3

DI

dotnet add package Microsoft.Extensions.DependencyInjection --version 5.0.1
dotnet add package Microsoft.Extensions.Options --version 5.0.0
dotnet add package Microsoft.Extensions.Configuration.Binder --version 5.0.0

実装


Progmram.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using docweb_bat2.Models;
using docweb_bat2.Services;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;

namespace docweb_bat2
{
    public class Program
    {
        public static void Main(string[] args)
        {
            CreateHostBuilder(args).Build().Run();
        }
            
        public static IHostBuilder CreateHostBuilder(string[] args) =>
            Host.CreateDefaultBuilder(args)
                .ConfigureLogging((hostContext, builder) =>
                {
                    builder.ClearProviders();
                    builder.AddLog4Net();
                })
                .ConfigureServices((hostContext, services) =>
                {
                    // requires using Microsoft.Extensions.Options
                    services.Configure<DocumentWebDatabaseSettings>(
                        hostContext.Configuration.GetSection(nameof(DocumentWebDatabaseSettings)));

                    services.AddSingleton<IDocumentWebDatabaseSettings>(sp =>
                        sp.GetRequiredService<IOptions<DocumentWebDatabaseSettings>>().Value);

                    services.AddSingleton<IConfiguration>(hostContext.Configuration);
                    services.AddSingleton<DocumentWebService>();

                    services.AddHostedService<Worker>();
                })
                ;
    }
}

設定ロード先

namespace docWeb.Models
{
    public interface IDocumentWebDatabaseSettings
    {
        string DocumentWebCollectionName { get; set; }
        string ConnectionString { get; set; }
        string DatabaseName { get; set; }
    }

    public class DocumentWebDatabaseSettings : IDocumentWebDatabaseSettings
    {
        public string DocumentWebCollectionName { get; set; }
        public string ConnectionString { get; set; }
        public string DatabaseName { get; set; }
    }
}

ワーカー

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using docweb_bat2.Services;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using MongoDB.Bson;
using MongoDB.Driver;
using Newtonsoft.Json;

namespace docweb_bat2
{
    public class Worker : BackgroundService
    {
        private readonly ILogger<Worker> _logger;

        private IConfiguration _config;
        private DocumentWebService _service;

        static readonly HttpClient client = new HttpClient();

        public Worker(ILogger<Worker> logger, IConfiguration config, DocumentWebService service)
        {
            _logger = logger;
            _config = config;
            _service = service;
        }

        protected override async Task ExecuteAsync(CancellationToken stoppingToken)
        {
              :
        }
      }
    }
}

Hostedアプリケーションの停止をプログラムから

IHostApplicationLifetime _lifeTime;
public MyClass(IHostApplicationLifetime lifeTime)
{
    _lifeTime = lifeTime;
}
  • 停止
public void Exit()
{
    _lifeTime.StopApplication();
}

汎用HOSTで実施したことをConsoleで

using System;
using System.IO;
using docweb.Services;
using docWeb.Models;
using docweb_bat.Jobs;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Options;

namespace docweb_bat
{
    public class Program
    {
        static void Main(string[] args)
        {
            IServiceCollection services = new ServiceCollection();
            
            var configuration = GetConfiguration(args);
            
            // require Microsoft.Extensions.Configuration.Binder
            IDocumentWebDatabaseSettings dbSettings 
                = configuration.GetSection(nameof(DocumentWebDatabaseSettings))
                    .Get<DocumentWebDatabaseSettings>();

            // DI
            services.AddSingleton<IConfiguration>(configuration);
            services.AddSingleton<IDocumentWebDatabaseSettings>(sp => dbSettings);
            services.AddSingleton<DocumentWebService>();

            // JOBS
            services.AddSingleton<GetCollection>();

            var job = services.BuildServiceProvider().GetService<GetCollection>();
            job.Run();

        }
        private static IConfiguration GetConfiguration(string[] args) {
            
            // export DECWEB_ENV=Development
            // or launch.json configurations.env section 
            var environmentName = Environment.GetEnvironmentVariable("DOCWEB_ENV");
            Console.WriteLine($"Environment:{environmentName}");

            IConfiguration configuration = new ConfigurationBuilder()
                .SetBasePath(Directory.GetCurrentDirectory())
                .AddJsonFile("appsettings.json", true, true)
                .AddJsonFile($"appsettings.{environmentName}.json", true, true)
                .AddCommandLine(args)
                .Build();

            return configuration;
        }
    }
}