87 lines
2.5 KiB
C#
87 lines
2.5 KiB
C#
using System;
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using System.Threading;
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using System.Threading.Tasks;
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using DOAN.Infrastructure.PLC;
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using DOAN.Model.PBL;
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using DOAN.Model.System;
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using Microsoft.Extensions.Hosting;
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using SqlSugar;
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using SqlSugar.IOC;
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namespace DOAN.ServiceCore
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{
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public class BackgroundService : IHostedService, IDisposable
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{
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private readonly CancellationTokenSource _cancellationTokenSource = new CancellationTokenSource();
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private Task _executingTask;
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public Task StartAsync(CancellationToken cancellationToken)
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{
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PLCTool.ConnectPLC();
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// 当服务开始时，启动后台任务
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_executingTask = ExecuteAsync(_cancellationTokenSource.Token);
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return _executingTask.IsCompleted ? _executingTask : Task.CompletedTask;
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}
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public async Task StopAsync(CancellationToken cancellationToken)
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{
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// 请求取消后台任务
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_cancellationTokenSource.Cancel();
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// 等待后台任务完成
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await Task.WhenAny(_executingTask, Task.Delay(Timeout.Infinite, cancellationToken));
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}
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private async Task ExecuteAsync(CancellationToken stoppingToken)
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{
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// 获取所有传感器 地址
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int index = 1;
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while (!stoppingToken.IsCancellationRequested)
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{
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Storagelocation storagelocation = await DbScoped.SugarScope.CopyNew()
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.Queryable<Storagelocation>().Where(it => it.Id == index).FirstAsync();
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bool result = PLCTool.ReadBit(storagelocation.PlcAddress2);
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if (result)
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{
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storagelocation.PackageNum = 2;
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}
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else
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{
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storagelocation.PackageNum = 4;
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}
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await DbScoped.SugarScope.CopyNew().Insertable(storagelocation).ExecuteCommandAsync();
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// 写补料日志
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Inventorylog inventorylog = new Inventorylog();
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inventorylog.Id = SnowFlakeSingle.Instance.NextId().ToString();
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inventorylog.RackCode = storagelocation.RackCode;
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index++;
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if (index > 16)
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{
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index = 1;
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}
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}
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}
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public void Dispose()
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{
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PLCTool.ConnectClose();
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_cancellationTokenSource.Cancel();
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_executingTask.Wait();
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_cancellationTokenSource.Dispose();
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}
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}
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}
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