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