81 lines
3.1 KiB
C#
81 lines
3.1 KiB
C#
using System.Threading;
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using System;
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using System.Threading.Tasks;
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using Microsoft.Extensions.Logging;
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using AyaNova.Biz;
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using AyaNova.Util;
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namespace AyaNova.Generator
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{
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//Implemented from a example here
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//https://docs.microsoft.com/en-us/dotnet/standard/microservices-architecture/multi-container-microservice-net-applications/background-tasks-with-ihostedservice
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/*
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LOOKAT: Generator tasks that should happen:
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- Periodically erase any temp files written to userfiles root (attachments temp files) that are older than a day
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- These files should be normally erased within seconds after uploading and processing into their permanent folder but shit will go wrong
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*/
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public class GeneratorService : BackgroundService
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{
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private readonly ILogger<GeneratorService> log;
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// private const int MAXIMUM_MS_ALLOWED_FOR_PROCESSING_ALL_JOBS = 1 * 60 * 1000;//1 minutes TEST TEST TEST #####
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// #if (DEBUG)
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// private const int GENERATE_SECONDS = 1;
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// #else
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// private const int GENERATE_SECONDS = 20;
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// #endif
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public GeneratorService(ILogger<GeneratorService> logger)
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{
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log = logger;
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}
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protected override async Task ExecuteAsync(CancellationToken stoppingToken)
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{
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log.LogInformation($"GeneratorService is starting.");
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stoppingToken.Register(() =>
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log.LogDebug($" GeneratorService background task is stopping."));
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while (!stoppingToken.IsCancellationRequested)
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{
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if (!ServerGlobalOpsSettingsCache.BOOTING)
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{
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// log.LogTrace($"GeneratorService running jobs");
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//=================================================================
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try
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{
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await JobsBiz.ProcessJobsAsync();
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}
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catch (Exception ex)
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{
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log.LogError(ex, "Generate::ProcessJobs result in exception error ");
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}
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//=================================================================
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}
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//There *MUST* be a delay here or the server will come to a standstill
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//ideally need to move on from this method of generation to something external or more reasonable but
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//this does work, we need to get to release, for our projected use load this should be fine and it's
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//a documented by MS method to do asp.net core job processing
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//https://docs.microsoft.com/en-us/aspnet/core/fundamentals/host/hosted-services?view=aspnetcore-6.0&tabs=visual-studio
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await Task.Delay(1000);
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}
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log.LogInformation($"GeneratorService is stopping");
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}
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public override Task StopAsync(CancellationToken stoppingToken)
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{
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log.LogDebug($"GeneratorService StopAsync triggered");
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return Task.FromResult(0);
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// Run any needed clean-up actions
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}
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}//eoc
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}//eons |