IOTCloudBackgroundService.cs
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using HHECS.DAQShared.Models;
using HHECS.DAQWebClient.Model;
using HHECS.DAQWebClient.Models;
using System.Diagnostics;
namespace HHECS.DAQWebClient.Services
{
public class IOTCloudBackgroundService : BackgroundService
{
private readonly IFreeSql _freeSql;
private readonly CommonService _commonService;
private readonly IOTCloudService _cloudService;
public IOTCloudBackgroundService(IFreeSql freeSql, CommonService commonService, IOTCloudService cloudService)
{
_freeSql = freeSql;
_commonService = commonService;
_cloudService = cloudService;
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
//缓存时间，分钟
const int cacheMinutesTime = 3;
var _lastAExecution = DateTime.MinValue;
var _lastBExecution = DateTime.MinValue;
while (!stoppingToken.IsCancellationRequested)
{
try
{
await Task.Delay(1000, stoppingToken);
//更新客户端状态
if ((DateTime.Now - _lastAExecution) > TimeSpan.FromMinutes(1))
{
_lastAExecution = DateTime.Now;
var clientIdValue = _freeSql.Queryable<LocalConfig>().Where(x => x.Code == ConfigType.ClientId.ToString()).First(x => x.Value);
_ = Guid.TryParse(clientIdValue, out var clientId);
if (clientId == Guid.Empty)
{
_commonService.PrintLog($"推送客户端状态数据失败：当前客户端未配置有效ClientId", LogLevel.Warning);
}
else
{
var updateStatusResult = await _cloudService.UpdateClientStatusAsync(clientId);
if (!updateStatusResult.Success)
{
_commonService.PrintLog($"推送客户端状态数据失败：{updateStatusResult.Msg}", LogLevel.Error);
}
}
}
var commitCountValue = _freeSql.Queryable<LocalConfig>().Where(x => x.Code == ConfigType.CommitCount.ToString()).First(x => x.Value);
_ = int.TryParse(commitCountValue, out var _commitCount);
if (_commitCount == 0)
{
//未配置，默认100条
_commitCount = 100;
}
var haveRecord = _freeSql.Queryable<EquipmentDataQueue>().Any();
if (!_commonService.EquipmentDataQueues.IsEmpty)
{
var temps = new List<EquipmentDataQueue>();
var commitFailureRecords = new List<EquipmentDataQueue>();
//启用数据压缩
if (_commonService.DataCompression)
{
while (!_commonService.EquipmentDataQueues.IsEmpty)
{
var result = _commonService.EquipmentDataQueues.TryDequeue(out var item);
if (item != null)
{
temps.Add(item);
}
}
}
//未启用数据压缩
else
{
for (int i = 0; i < _commitCount; i++)
{
var result = _commonService.EquipmentDataQueues.TryDequeue(out var item);
if (!result) break;//队列已清空
if (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 (_commonService.AutoCommit && !_commonService.DataCompression && !haveRecord)
{
var tasks = new List<Task<List<EquipmentDataQueue>>>();
foreach (var item in temps.GroupBy(x => x.EquipmentCode))
{
tasks.Add(Task.Run(async () =>
{
Stopwatch stopwatch = Stopwatch.StartNew();
var records = item.OrderBy(x => x.SourceTimestamp).ToList();
var result = await _cloudService.SendEquipmentDataAsync(records);
if (!result.Success)
{
_commonService.PrintLog($"推送设备[{item.Key}]数据失败，{result.Msg}，耗时：{stopwatch.ElapsedMilliseconds}ms", LogLevel.Error);
return records;
}
_commonService.PrintLog($"成功推送{records.Count}条设备[{item.Key}]数据，耗时：{stopwatch.ElapsedMilliseconds}ms");
return new List<EquipmentDataQueue>();
}));
}
Task.WaitAll(tasks.ToArray());
commitFailureRecords = tasks.SelectMany(x => x.Result).ToList();
}
//自动上传关闭或数据库存在未上传的记录，则需要存入数据库
else
{
commitFailureRecords.AddRange(temps);
}
//将上传失败的数据存入数据库
if (commitFailureRecords.Count > 0)
{
//节流模式
if (_commonService.DataCompression)
{
var dictionaryUpdateTemps = new Dictionary<string, EquipmentDataQueue>();
var dictionaryAddTemps = new Dictionary<string, List<EquipmentDataQueue>>();
foreach (var item in commitFailureRecords.GroupBy(x => x.EquipmentCode))
{
var lastRecord = _freeSql.Queryable<EquipmentDataQueue>().Where(x => x.EquipmentCode == item.Key).OrderByDescending(x => x.SourceTimestamp).First();
var addTemps = new List<EquipmentDataQueue>();
dictionaryAddTemps[item.Key] = addTemps;//传递集合引用
foreach (var record in item.OrderBy(x => x.SourceTimestamp).ToList())
{
var lastTemp = lastRecord;
if (addTemps.Count > 0)
{
lastTemp = addTemps.OrderByDescending(x => x.SourceTimestamp).First();
}
if (lastTemp != null)
{
var currentRecordTime = DateTimeOffset.FromUnixTimeMilliseconds(record.SourceTimestamp).LocalDateTime;
var lastRecordTime = (lastTemp.Updated ?? lastTemp.Created!).Value;
if (lastTemp.Reported == record.Reported && currentRecordTime.Date == lastRecordTime.Date
&& (currentRecordTime - lastRecordTime).TotalSeconds <= 5)
{
lastTemp.Updated = currentRecordTime;
//是数据库里面的数据，有变化需要更新
if (lastTemp.Id != Guid.Empty && lastTemp.Id == lastRecord.Id)
{
dictionaryUpdateTemps[item.Key] = lastTemp;
}
continue;
}
}
//其他情况，新增记录
addTemps.Add(record);
}
}
var allUpdateTemps = dictionaryUpdateTemps.Select(x => x.Value).ToList();
if (allUpdateTemps.Count > 0)
{
_freeSql.Update<EquipmentDataQueue>().SetSource(allUpdateTemps).UpdateColumns(x => x.Updated).ExecuteAffrows();
_commonService.PrintLog($"更新[{allUpdateTemps.Count}]条设备记录");
}
var allAddTemps = dictionaryAddTemps.SelectMany(x => x.Value).ToList();
if (allAddTemps.Count > 0)
{
_freeSql.Insert(allAddTemps).ExecuteAffrows();
_commonService.PrintLog($"新增{allAddTemps.Count}条设备记录");
}
}
//实时存储
else
{
_freeSql.Insert(commitFailureRecords).ExecuteAffrows();
_commonService.PrintLog($"新增{commitFailureRecords.Count}条数据记录");
}
//更新状态
haveRecord = _freeSql.Queryable<EquipmentDataQueue>().Any();
}
}
var timeSpan = TimeSpan.FromSeconds(5);//默认5秒一次
var equipmentTotal = _freeSql.Queryable<Equipment>().Where(x => !x.Disable).Count();
var recordsTotal = _freeSql.Queryable<EquipmentDataQueue>().Count();
if (recordsTotal >= equipmentTotal * _commitCount)
{
//数据较多时，1秒一次
timeSpan = TimeSpan.FromSeconds(1);
}
//推送数据
if (_commonService.AutoCommit && (DateTime.Now - _lastBExecution) >= timeSpan && haveRecord)
{
_lastBExecution = DateTime.Now;
var equipmentCodes = _freeSql.Queryable<EquipmentDataQueue>().Distinct().ToList(x => x.EquipmentCode);
var commitSuccessRecordIds = new List<Guid>();
//是否存在更新时间为空的记录，最后一条记录不算
var haveUpdateIsNull = equipmentCodes.Where(equipmentCode =>
{
//第一条更新时间为空的记录
var firstTemp = _freeSql.Queryable<EquipmentDataQueue>().Where(x => x.EquipmentCode == equipmentCode && x.Updated == null).OrderBy(x => x.SourceTimestamp).First(x => x.Id);
if (firstTemp == default)
{
//无记录
return false;
}
//最后一条记录
var lastTemp = _freeSql.Queryable<EquipmentDataQueue>().Where(x => x.EquipmentCode == equipmentCode).OrderByDescending(x => x.SourceTimestamp).First(x => x.Id);
//第一条与最后一条是同一条，则排除
if (firstTemp == lastTemp)
{
return false;
}
//存在多条
return true;
}).Any();
//节流模式
if (_commonService.DataCompression && !haveUpdateIsNull)
{
//超过设定时间的数据
var records = _freeSql.Queryable<EquipmentDataQueue>().Where(x => DateTime.Now.AddMinutes(-(cacheMinutesTime + 1)) >= x.Created && x.Updated != null).OrderBy(x => x.SourceTimestamp).Take(_commitCount).ToList();
if (records.Count == 0)
{
continue;
}
var stopwatch = Stopwatch.StartNew();
var result = await _cloudService.SendEquipmentDataV2Async(records);
var currentEquipmentCodes = records.Select(x => x.EquipmentCode).Distinct().ToList();
if (!result.Success)
{
_commonService.PrintLog($"推送设备[{string.Join(',', currentEquipmentCodes)}]数据失败，{result.Msg}，耗时：{stopwatch.ElapsedMilliseconds}ms", LogLevel.Error);
continue;
}
_commonService.PrintLog($"成功推送{records.Count}条设备[{string.Join(',', currentEquipmentCodes)}]数据，耗时：{stopwatch.ElapsedMilliseconds}ms");
commitSuccessRecordIds = records.Select(x => x.Id).ToList();
_freeSql.Delete<EquipmentDataQueue>().Where(x => commitSuccessRecordIds.Contains(x.Id)).ExecuteAffrows();
continue;
}
//推送成功的数据集合
var tasks = new List<Task<List<EquipmentDataQueue>>>();
foreach (var equipmentCode in equipmentCodes)
{
tasks.Add(Task.Run(async () =>
{
Stopwatch stopwatch = Stopwatch.StartNew();
var successRecords = new List<EquipmentDataQueue>();
var records = _freeSql.Queryable<EquipmentDataQueue>().Where(x => x.EquipmentCode == equipmentCode && !x.IsCommit).OrderBy(x => x.SourceTimestamp).Take(_commitCount).ToList();
if (records.Count == 0)
{
return successRecords;
}
var temp1s = new List<List<EquipmentDataQueue>>();
var temp2s = new List<EquipmentDataQueue>();
foreach (var record in records)
{
//是最后一条记录，且启用了节流模式
if (_commonService.DataCompression && record == records.Last())
{
//创建时间距离现在的时间未超过设定时间，则不推送
if ((DateTime.Now - record.Created!.Value).TotalMinutes < cacheMinutesTime)
{
break;
}
//队列还有缓存的数据，且持续时间未达到设定值，则不推送
if (!_commonService.EquipmentDataQueues.IsEmpty && record.Updated != null
&& (record.Updated - record.Created).Value.TotalMinutes < cacheMinutesTime)
{
break;
}
}
if (temp2s.Count == 0)
{
temp2s.Add(record);
continue;
}
var lastItem = temp2s.Last();
var lastType = lastItem.Updated > lastItem.Created;
var currentType = record.Updated > record.Created;
if (lastType == currentType)
{
temp2s.Add(record);
}
else
{
temp1s.Add(temp2s);
temp2s = new List<EquipmentDataQueue>
{
record
};
}
}
if (temp2s.Count > 0)
{
temp1s.Add(temp2s);
temp2s = new List<EquipmentDataQueue>();
}
foreach (var item in temp1s)
{
//某段时间的数据
if (item.All(x => x.Updated > x.Created))
{
var result = await _cloudService.SendEquipmentDataV2Async(item);
if (!result.Success)
{
_commonService.PrintLog($"推送设备[{equipmentCode}]数据失败，{result.Msg}，耗时：{stopwatch.ElapsedMilliseconds}ms", LogLevel.Error);
break;//推送失败，后续的数据也暂停推送
}
_commonService.PrintLog($"成功推送{records.Count}条设备[{equipmentCode}]数据，耗时：{stopwatch.ElapsedMilliseconds}ms");
successRecords.AddRange(item);
continue;
}
//一秒一条记录的数据
var result2 = await _cloudService.SendEquipmentDataAsync(item);
if (!result2.Success)
{
_commonService.PrintLog($"推送设备[{equipmentCode}]数据失败，{result2.Msg}，耗时：{stopwatch.ElapsedMilliseconds}ms", LogLevel.Error);
break;//推送失败，后续的数据也暂停推送
}
_commonService.PrintLog($"成功推送1条设备[{equipmentCode}]数据，耗时：{stopwatch.ElapsedMilliseconds}ms");
successRecords.AddRange(item);
}
return successRecords;
}));
}
Task.WaitAll(tasks.ToArray());
commitSuccessRecordIds = tasks.SelectMany(x => x.Result).Select(x => x.Id).ToList();
_freeSql.Delete<EquipmentDataQueue>().Where(x => commitSuccessRecordIds.Contains(x.Id)).ExecuteAffrows();
}
}
catch (Exception ex)
{
_commonService.PrintLog($"数据上传线程异常：{ex.Message}", LogLevel.Debug);
}
}
}
}
}