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warm up services

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This commit is contained in:
Alexey Bannov 2022-08-09 09:49:05 +03:00
parent 870c3cf3c4
commit f496771391
2 changed files with 117 additions and 0 deletions
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67
common/ASC.Api.Core/Core/WarmupServicesStartupTask.cs Normal file
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// (c) Copyright Ascensio System SIA 2010-2022
//
// This program is a free software product.
// You can redistribute it and/or modify it under the terms
// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
// any third-party rights.
//
// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, see
// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
//
// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
//
// The interactive user interfaces in modified source and object code versions of the Program must
// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
//
// Pursuant to Section 7(b) of the License you must retain the original Product logo when
// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
// trademark law for use of our trademarks.
//
// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
namespace ASC.Api.Core.Core;
/// <summary>
/// https://andrewlock.net/reducing-latency-by-pre-building-singletons-in-asp-net-core/
/// </summary>
public class WarmupServicesStartupTask : IStartupTask
{
private readonly IServiceCollection _services;
private readonly IServiceProvider _provider;
public WarmupServicesStartupTask(IServiceCollection services, IServiceProvider provider)
{
_services = services;
_provider = provider;
}
public Task ExecuteAsync(CancellationToken cancellationToken)
{
using (var scope = _provider.CreateScope())
{
var tenantManager = scope.ServiceProvider.GetService<TenantManager>();
tenantManager.SetCurrentTenant("localhost");
foreach (var service in GetServices(_services))
{
scope.ServiceProvider.GetServices(service);
}
}
return Task.CompletedTask;
}
static IEnumerable<Type> GetServices(IServiceCollection services)
{
return services
.Where(descriptor => descriptor.ImplementationType != typeof(WarmupServicesStartupTask))
.Where(descriptor => descriptor.ServiceType.ContainsGenericParameters == false)
.Select(descriptor => descriptor.ServiceType)
.Distinct();
}
}

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common/ASC.Api.Core/Extensions/HostExtension.cs Normal file
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// (c) Copyright Ascensio System SIA 2010-2022
//
// This program is a free software product.
// You can redistribute it and/or modify it under the terms
// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
// any third-party rights.
//
// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, see
// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
//
// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
//
// The interactive user interfaces in modified source and object code versions of the Program must
// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
//
// Pursuant to Section 7(b) of the License you must retain the original Product logo when
// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
// trademark law for use of our trademarks.
//
// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
namespace ASC.Api.Core.Extensions;
public interface IStartupTask
{
Task ExecuteAsync(CancellationToken cancellationToken = default);
}
public static class HostExtension
{
public static async Task RunWithTasksAsync(this WebApplication webHost, CancellationToken cancellationToken = default)
{
// Load all tasks from DI
var startupTasks = webHost.Services.GetServices<IStartupTask>();
// Execute all the tasks
foreach (var startupTask in startupTasks)
{
await startupTask.ExecuteAsync(cancellationToken);
}
// Start the tasks as normal
await webHost.RunAsync(cancellationToken);
}
}