PLCCore.cs
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using Hh.Mes.POJO.BllModel;
using Hh.Mes.POJO.Entity;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
namespace HHECS.Model.PLCHelper.Interfaces
{
public class PLCCore
{
/// <summary>
/// 开启并行读取的限制数目，于此相关的均需要实际测试性能情况。
/// </summary>
const int ParaInt = 3;
public List<IPLC> PLCs { get; set; } = new List<IPLC>();
public PLCCore(List<IPLC> ps)
{
PLCs = ps;
}
public PLCCore()
{
}
/// <summary>
/// 连接，通常指定PLC的初始化请在连接中进行
/// </summary>
/// <returns></returns>
public BllResult Connect()
{
foreach (var item in PLCs)
{
var result = item.Connect();
if (!result.Success)
{
return BllResultFactory.Error($"连接PLC{item.IP}失败：{result.Msg}");
}
}
return BllResultFactory.Success();
}
/// <summary>
/// 连接，连接指定IP的PLC
/// </summary>
/// <param name="ip"></param>
/// <returns></returns>
public BllResult Connect(string ip)
{
var plc = PLCs.FirstOrDefault(t => t.IP == ip);
if (plc == null)
{
return BllResultFactory.Error($"未找到IP为{ip}的PLC配置");
}
return plc.Connect();
}
/// <summary>
/// 断开,通常在断开之前请先停止逻辑处理，延迟后再调用
/// </summary>
/// <returns></returns>
public BllResult DisConnect()
{
foreach (var item in PLCs)
{
item.DisConnect();
}
return BllResultFactory.Success();
}
/// <summary>
/// 断开，断开指定IP的PLC连接
/// </summary>
/// <param name="ip"></param>
/// <returns></returns>
public BllResult DisConnect(string ip)
{
var plc = PLCs.FirstOrDefault(t => t.IP == ip);
if (plc == null)
{
return BllResultFactory.Error($"未找到IP为{ip}的PLC配置");
}
return plc.DisConnect();
}
/// <summary>
/// 获取连接状态
/// hack:对于使用OPC实现，此链接状态指示为client与OPC服务器的连接状态；所以使用OPC的情况下需要额外检测读写是否正确。
/// </summary>
/// <returns></returns>
public BllResult GetConnectStatus()
{
foreach (var item in PLCs)
{
var result = item.GetConnectStatus();
if (!result.Success)
{
return BllResultFactory.Error($"PLC{item.IP}失去连接：{result.Msg}");
}
}
return BllResultFactory.Success();
}
/// <summary>
/// 获取指定IPPlc的连接状态
/// hack:对于使用OPC实现，此链接状态指示为client与OPC服务器的连接状态；所以使用OPC的情况下需要额外检测读写是否正确。
/// </summary>
/// <returns></returns>
public BllResult GetConnectStatus(string ip)
{
var plc = PLCs.FirstOrDefault(t => t.IP == ip);
if (plc == null)
{
return BllResultFactory.Error($"未找到IP为{ip}的PLC配置");
}
return plc.GetConnectStatus();
}
/// <summary>
/// 读取地址
/// </summary>
/// <param name="equipmentProps"></param>
/// <returns></returns>
public BllResult Reads(List<base_equipment_prop> equipmentProps)
{
var propGroup = equipmentProps.GroupBy(t => t.Equipment.ip);
foreach (var item in propGroup)
{
var plc = PLCs.FirstOrDefault(t => t.IP == item.Key);
if (plc == null)
{
return BllResultFactory.Error($"未找到IP为{item.Key}的PLC的配置");
}
}
if (propGroup.Count() > ParaInt)
{
List<Task> tasks = new List<Task>();
foreach (var item in propGroup)
{
var plc = PLCs.FirstOrDefault(t => t.IP == item.Key);
tasks.Add(Task.Run<BllResult>(() =>
{
return plc.Reads(item.ToList());
}));
}
Task.WaitAll(tasks.ToArray());
foreach (var item in tasks)
{
var result = item.AsyncState as BllResult;
if (result != null)
{
if (!result.Success)
{
return result;
}
}
else
{
return BllResultFactory.Error($"读取失败：读取结果返回了null值，请检查PLC读取实现类");
}
}
return BllResultFactory.Success();
}
else
{
foreach (var item in propGroup)
{
var plc = PLCs.FirstOrDefault(t => t.IP == item.Key);
var result = plc.Reads(item.ToList());
if (!result.Success)
{
return result;
}
}
}
return BllResultFactory.Success();
}
/// <summary>
/// 写入地址
/// 注意：写入值不做线程优化处理，请误大量频繁写入
/// </summary>
/// <param name="equipmentProps"></param>
/// <returns></returns>
public BllResult Writes(List<base_equipment_prop> equipmentProps)
{
var propGroup = equipmentProps.GroupBy(t => t.Equipment.ip);
foreach (var item in propGroup)
{
var plc = PLCs.FirstOrDefault(t => t.IP == item.Key);
if (plc == null)
{
return BllResultFactory.Error($"未找到IP为{item.Key}的PLC的配置");
}
var result = plc.Writes(item.ToList());
if (!result.Success)
{
return result;
}
}
return BllResultFactory.Success();
}
/// <summary>
/// 读取单个地址
/// </summary>
/// <param name="equipmentProp"></param>
/// <returns></returns>
public BllResult Read(base_equipment_prop equipmentProp)
{
var plc = PLCs.FirstOrDefault(t => t.IP == equipmentProp.Equipment.ip);
if (plc == null)
{
return BllResultFactory.Error($"未找到IP为{equipmentProp.Equipment.ip}的PLC的配置");
}
return plc.Read(equipmentProp);
}
/// <summary>
/// 写入单个地址
/// </summary>
/// <param name="equipmentProp"></param>
/// <returns></returns>
public BllResult Write(base_equipment_prop equipmentProp)
{
var plc = PLCs.FirstOrDefault(t => t.IP == equipmentProp.Equipment.ip);
if (plc == null)
{
return BllResultFactory.Error($"未找到IP为{equipmentProp.Equipment.ip}的PLC的配置");
}
return plc.Write(equipmentProp);
}
}
}