MainVM.cs
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using System.Collections.ObjectModel;
using System.Configuration;
using System.Diagnostics;
using System.Windows;
using System.Windows.Controls;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using HHECS.DAQClient.Common;
using HHECS.DAQClient.DataAccess;
using HHECS.DAQClient.Model;
using HHECS.DAQClient.Services;
using HHECS.DAQClient.View.CommunicationView;
using HHECS.DAQClient.View.EquipmentView;
using MessageBox = HandyControl.Controls.MessageBox;
namespace HHECS.DAQClient.ViewModel
{
internal partial class MainVM : ObservableObject
{
[ObservableProperty]
private bool btnStartEnabled = true;
[ObservableProperty]
private bool btnStopEnabled = false;
[ObservableProperty]
private ObservableCollection<LogModel> logModels = new();
[ObservableProperty]
private Page communicationPage = new CommunicationPage();
[ObservableProperty]
private Page equipmentPage = new EquipmentPage();
[ObservableProperty]
private Page equipmentDataQueuePage = new EquipmentDataQueuePage();
/// <summary>
/// 自动上传数据
/// </summary>
[ObservableProperty]
private bool autoCommit = true;
/// <summary>
/// 每次提交的数据量
/// </summary>
private int _commitCount = 30;
private readonly SystemLog _log = SystemLog.GetInstance();
private readonly CenterService _centerService;
private readonly HttpService _httpService;
private readonly DataContext _context;
public MainVM(DataContext context, CenterService centerService, HttpService httpService)
{
_centerService = centerService;
_httpService = httpService;
_context = context;
Initial();
}
private void Initial()
{
var commitCountConfig = ConfigurationManager.AppSettings["CommitCount"];
_ = int.TryParse(commitCountConfig, out _commitCount);
if (_commitCount <= 0)
{
//未配置，则默认30
_commitCount = 30;
}
RefreshLog();
UploadEquipmentDataToCloudByMemoryQueue();
UploadEquipmentDataToCloudByDatabase();
}
[RelayCommand]
public void Start()
{
BtnStartEnabled = false;
BtnStopEnabled = true;
_centerService.Start();
}
[RelayCommand]
public void Stop()
{
BtnStartEnabled = true;
BtnStopEnabled = false;
_centerService.Stop();
}
private void RefreshLog()
{
Task.Run(() =>
{
Application.Current.Dispatcher.Invoke(async () =>
{
do
{
while (!_log.IsEmpty)
{
var log = _log.GetLog();
if (log == null)
{
await Task.Delay(100);
continue;
}
var oldItem = LogModels.Where(x => x.Messages.Equals(log.Messages)).FirstOrDefault();
if (oldItem != null)
{
oldItem.CreateTime = log.CreateTime;
LogModels = new ObservableCollection<LogModel>(LogModels.OrderByDescending(x => x.CreateTime));
}
else
{
LogModels.Insert(0, new LogModel()
{
LogType = log.LogType,
Messages = log.Messages,
CreateTime = log.CreateTime
});
}
if (LogModels.Count > 50)
{
LogModels.Remove(LogModels.Last());
}
}
await Task.Delay(100);
} while (true);
});
});
}
/// <summary>
/// 上传数据至IOTCloud
/// </summary>
/// <remarks>从队列获取数据，1秒上传一次，上传失败，则保存至数据库</remarks>
private void UploadEquipmentDataToCloudByMemoryQueue(int millisecondsTimeout = 1000)
{
Task.Run(() =>
{
while (true)
{
try
{
Thread.Sleep(millisecondsTimeout);
if (_centerService.EquipmentDataQueues.IsEmpty)
{
//数据为空
continue;
}
var temps = new List<EquipmentDataQueue>();
var commitFailureRecord = new List<EquipmentDataQueue>();
for (int i = 0; i < _commitCount; i++)
{
var result = _centerService.EquipmentDataQueues.TryDequeue(out var item);
if (result && item != null)
{
temps.Add(item);
}
}
//自动上传启用，且数据库无未上传的数据，则直接推送
if (AutoCommit && !_context.EquipmentDataQueue.Where(x => true).Any())
{
Stopwatch stopwatch = Stopwatch.StartNew();
foreach (var item in temps.GroupBy(x => x.EquipmentCode))
{
stopwatch.Restart();
var records = item.ToList();
var result = _httpService.SendEquipmentData(records);
stopwatch.Stop();
if (!result.Success)
{
commitFailureRecord.AddRange(records);
_log.LogError($"推送设备[{item.Key}]数据失败，{result.Msg}，耗时：{stopwatch.ElapsedMilliseconds}ms");
continue;
}
_log.LogSuccess($"成功推送{records.Count}条设备[{item.Key}]数据，耗时：{stopwatch.ElapsedMilliseconds}ms");
}
}
//自动上传关闭或数据库存在未上传的记录，则直接存入数据库
else
{
commitFailureRecord.AddRange(temps);
}
//将上传失败的数据存入数据库
if (commitFailureRecord.Count > 0)
{
_context.EquipmentDataQueue.AddRange(commitFailureRecord);
_context.SaveChanges();
_log.LogInfo($"新增{commitFailureRecord.Count}条数据记录");
}
}
catch (Exception ex)
{
_log.LogError($"[LocalQueue]数据上传线程异常：{ex.Message}");
}
}
});
}
/// <summary>
/// 上传数据至IOTCloud
/// </summary>
/// <remarks>从数据库获取数据，默认5秒上传一次</remarks>
private void UploadEquipmentDataToCloudByDatabase(int millisecondsTimeout = 5000)
{
Task.Run(() =>
{
while (true)
{
try
{
if (!AutoCommit)
{
//自动上传关闭，则不上传数据
Thread.Sleep(millisecondsTimeout);
continue;
}
var equipmentCodes = _context.EquipmentDataQueue.Where(x => true).Distinct().ToList(x => x.EquipmentCode);
var queues = new List<EquipmentDataQueue>();
Stopwatch stopwatch = Stopwatch.StartNew();
foreach (var equipmentCode in equipmentCodes)
{
stopwatch.Restart();
var temps = _context.EquipmentDataQueue.Where(x => x.EquipmentCode.Equals(equipmentCode) && !x.IsCommit).OrderByDescending(x => x.Created).OrderBy(x => x.SourceTimestamp).Take(_commitCount).ToList();
var result = _httpService.SendEquipmentData(temps);
stopwatch.Stop();
if (!result.Success)
{
_log.LogError($"推送设备[{equipmentCode}]数据失败，{result.Msg}，耗时：{stopwatch.ElapsedMilliseconds}ms");
continue;
}
queues.AddRange(temps);
_log.LogSuccess($"成功推送{temps.Count}条设备[{equipmentCode}]数据，耗时：{stopwatch.ElapsedMilliseconds}ms");
}
if (queues.Count > 0)
{
_context.EquipmentDataQueue.RemoveRange(queues);
_context.SaveChanges();
}
}
catch (Exception ex)
{
_log.LogError($"[DataBase]数据上传线程异常：{ex.Message}");
}
Thread.Sleep(millisecondsTimeout);
}
});
}
}
}