S7Implement.cs
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using Hh.Mes.POJO.BllModel;
using Hh.Mes.POJO.Entity;
using HHECS.Model.PLCHelper.Interfaces;
using HHECS.Model.PLCHelper.PLCComponent;
using HHECS.Model.PLCHelper.PLCComponent.Sharp7Component;
using Sharp7;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using SiemensPLCType = HHECS.Model.PLCHelper.PLCComponent.Sharp7Component.SiemensPLCType;
namespace HHECS.Model.PLCHelper.Implement
{
/// <summary>
/// 封装高性能Snap7，提供多PLC支持，提供线程安全，无需安装多余组件
/// 使用此类，请先行构造S7PLCHelpers
/// </summary>
public class S7Implement : IPLC
{
/// <summary>
/// 连接配置
/// </summary>
public List<S7PLCHelper> S7PLCHelpers { get; set; } = new List<S7PLCHelper>();
public string IP { get => throw new NotImplementedException(); set => throw new NotImplementedException(); }
public PLCComponent.PLCType PLCType { get => throw new NotImplementedException(); set => throw new NotImplementedException(); }
public string Name { get => throw new NotImplementedException(); set => throw new NotImplementedException(); }
private List<LockInt> _lockIds = new List<LockInt>();
private Dictionary<string, AutoResetEvent> _lockEvent = new Dictionary<string, AutoResetEvent>();
/// <summary>
/// 获取锁
/// </summary>
private void GetLock(string key)
{
if (Interlocked.Increment(ref _lockIds.First(t => t.Key == key).I) == 1)
{
//如果是第一次进入
return;
}
else
{
_lockEvent.First(t => t.Key == key).Value.WaitOne();
}
}
/// <summary>
/// 重置锁
/// </summary>
private void ResetLock(string key)
{
_lockEvent.First(t => t.Key == key).Value.Set();
}
/// <summary>
/// 连接方法，使用此方法之前请先构造S7PLCHelpers
/// </summary>
/// <returns></returns>
public BllResult Connect()
{
if (S7PLCHelpers.Count() == 0)
{
return BllResultFactory.Error($"未配置PLC参数");
}
int i = 0;
foreach (var item in S7PLCHelpers)
{
S7Client s7Client = new S7Client();
switch (Enum.Parse(typeof(SiemensPLCType), item.PLCType))
{
case SiemensPLCType.S7_300:
i = s7Client.ConnectTo(item.PLCIP, 0, 1);
break;
case SiemensPLCType.S7_400:
i = s7Client.ConnectTo(item.PLCIP, item.Rack, item.Slot);
break;
case SiemensPLCType.S7_1200:
i = s7Client.ConnectTo(item.PLCIP, 0, 1);
break;
case SiemensPLCType.S7_1500:
i = s7Client.ConnectTo(item.PLCIP, 0, 1);
break;
default:
return BllResultFactory.Error($"无法识别{item.PLCType}");
}
if (i != 0)
{
return BllResultFactory.Error(s7Client.ErrorText(i));
}
if (!_lockIds.Exists(t => t.Key == item.PLCIP))
{
_lockIds.Add(new LockInt()
{
Key = item.PLCIP
});
}
if (!_lockEvent.TryGetValue(item.PLCIP, out AutoResetEvent e))
{
_lockEvent.Add(item.PLCIP, new AutoResetEvent(false));
}
item.S7Client = s7Client;
}
return BllResultFactory.Success();
}
/// <summary>
/// 断开连接，安全做法是先停止控制循环，然后调用
/// </summary>
/// <returns></returns>
public BllResult DisConnect()
{
if (S7PLCHelpers.Count() == 0)
{
return BllResultFactory.Error($"未配置PLC参数");
}
foreach (var item in S7PLCHelpers)
{
item.S7Client?.Disconnect();
}
//重置所有锁
_lockIds.ForEach(t => t.I = 0);
return BllResultFactory.Success();
}
public BllResult Connect(string ip)
{
if (S7PLCHelpers.Count() == 0)
{
return BllResultFactory.Error($"未配置PLC参数");
}
var item = S7PLCHelpers.Find(t => t.PLCIP == ip);
if (item == null)
{
return BllResultFactory.Error($"未找到IP为{ip}的PLC");
}
int i = 0;
S7Client s7Client = new S7Client();
switch (Enum.Parse(typeof(SiemensPLCType), item.PLCType))
{
case SiemensPLCType.S7_300:
i = s7Client.ConnectTo(item.PLCIP, 0, 1);
break;
case SiemensPLCType.S7_400:
i = s7Client.ConnectTo(item.PLCIP, item.Rack, item.Slot);
break;
case SiemensPLCType.S7_1200:
i = s7Client.ConnectTo(item.PLCIP, 0, 1);
break;
case SiemensPLCType.S7_1500:
i = s7Client.ConnectTo(item.PLCIP, 0, 1);
break;
default:
return BllResultFactory.Error($"无法识别{item.PLCType}");
}
if (i != 0)
{
return BllResultFactory.Error(s7Client.ErrorText(i));
}
if (!_lockIds.Exists(t => t.Key == item.PLCIP))
{
_lockIds.Add(new LockInt()
{
Key = item.PLCIP
});
}
if (!_lockEvent.TryGetValue(item.PLCIP, out AutoResetEvent e))
{
_lockEvent.Add(item.PLCIP, new AutoResetEvent(false));
}
item.S7Client = s7Client;
return BllResultFactory.Success();
}
public BllResult DisConnect(string ip)
{
if (S7PLCHelpers.Count() == 0)
{
return BllResultFactory.Error($"未配置PLC参数");
}
var item = S7PLCHelpers.Find(t => t.PLCIP == ip);
if (item == null)
{
return BllResultFactory.Error($"未找到IP为{ip}的PLC");
}
item.S7Client?.Disconnect();
//解锁
var temp = _lockIds.Find(t => t.Key == item.PLCIP);
if (temp != null)
{
temp.I = 0;
}
return BllResultFactory.Success();
}
public BllResult GetConnectStatus()
{
if (S7PLCHelpers.Count() == 0)
{
return BllResultFactory.Error($"未配置PLC参数");
}
foreach (var item in S7PLCHelpers)
{
if (item.S7Client?.Connected != true)
{
return BllResultFactory.Error($"存在IP为{item.PLCIP}的PLC未连接");
}
}
return BllResultFactory.Success();
}
public BllResult GetConnectStatus(string plcIp)
{
var temp = S7PLCHelpers.FirstOrDefault(t => t.PLCIP == plcIp);
if (temp == null)
{
return BllResultFactory.Error($"未找到指定IP{plcIp}的PLC");
}
else
{
if (temp.S7Client?.Connected == true)
{
return BllResultFactory.Success();
}
else
{
return BllResultFactory.Error($"IP为{plcIp}的PLC未连接");
}
}
}
public BllResult Read(base_equipment_prop equipmentProp)
{
//确定属性中对应的PLC是否存在连接
return Reads(new List<base_equipment_prop>() { equipmentProp });
}
public BllResult Reads(List<base_equipment_prop> equipmentProps)
{
if (equipmentProps == null || equipmentProps.Count() == 0)
{
return BllResultFactory.Error($"未传递属性");
}
//选取设备类
var ips = equipmentProps.Select(t => t.Equipment).Select(t => t.ip).Distinct().ToList();
//设备类是否对应PLC配置IP
foreach (var item in ips)
{
var temp = S7PLCHelpers.FirstOrDefault(t => t.PLCIP == item);
//确定属性中对应的PLC是否存在连接
if (temp.S7Client == null || !temp.S7Client.Connected)
{
return BllResultFactory.Error($"存在IP为{item}的PLC未连接");
}
}
try
{
foreach (var item in ips)
{
//缓存
List<byte[]> list = new List<byte[]>();
var props = equipmentProps.Where(t => t.Equipment.ip == item).ToList();
var client = S7PLCHelpers.FirstOrDefault(t => t.PLCIP == item).S7Client;
S7MultiVar s7MultiVar = new S7MultiVar(client);
int count = 10;
int i = 0;
while (true)
{
var tempProps = props.Skip(i).Take(count);
i += count;
if (tempProps.Count() == 0)
{
break;
}
//添加dataitem
foreach (var prop in tempProps)
{
var result = S7PLCHelper.AddressAnalyze(prop.address);
if (!result.Success)
{
return BllResultFactory.Error($"地址解析错误，属性明细Id：{prop.id}，详情：{result.Msg}");
}
var tran = result.Data;
var temp = new byte[256];
if (s7MultiVar.Add(tran.Area, tran.DataType, tran.DataNumber, tran.DataOffset, tran.DataAmount, ref temp) == false)
{
return BllResultFactory.Error("添加地址失败");
}
list.Add(temp);
}
GetLock(item);
int flag = s7MultiVar.Read();
ResetLock(item);
if (flag != 0)
{
return BllResultFactory.Error($"读取错误：{client.ErrorText(flag)}");
}
var tempp = s7MultiVar.Results.ToList().Where(t => t != 0).ToList();
if (tempp.Count > 0)
{
return BllResultFactory.Error($"存在读取错误:{client.ErrorText(tempp[0])}");
}
s7MultiVar.Clear();
};
//转换读取后的值
Console.WriteLine(DateTime.Now);
for (int g = 0; g < props.Count; g++)
{
if (!Enum.TryParse<PLCDataType>(props[g].EquipmentTypePropTemplate.dataType, out PLCDataType dataType))
{
return BllResultFactory.Error($"未识别的数据类型{props[g].EquipmentTypePropTemplate.dataType}");
}
var result = S7PLCHelper.TransferBufferToString(dataType, list[g]);
if (result.Success)
{
props[g].value = result.Data;
Console.WriteLine(props[g].EquipmentTypePropTemplate.code + "：" + props[g].value);
}
else
{
return BllResultFactory.Error($"读取数据出错：{result.Msg}");
}
}
s7MultiVar.Clear();
Console.WriteLine("");
}
}
catch (Exception ex)
{
return BllResultFactory.Error($"读取出现异常：" + ex.ToString());
}
return BllResultFactory.Success();
}
public BllResult Write(base_equipment_prop equipmentProp)
{
return Writes(new List<base_equipment_prop>() { equipmentProp });
}
public BllResult Writes(List<base_equipment_prop> equipmentProps)
{
if (equipmentProps == null || equipmentProps.Count() == 0)
{
return BllResultFactory.Error($"未传递属性");
}
var ips = equipmentProps.Select(t => t.Equipment).Select(t => t.ip).Distinct().ToList();
foreach (var item in ips)
{
var temp = S7PLCHelpers.FirstOrDefault(t => t.PLCIP == item);
//确定属性中对应的PLC是否存在连接
if (!temp.S7Client.Connected)
{
return BllResultFactory.Error($"存在IP为{item}的PLC未连接");
}
}
try
{
foreach (var item in ips)
{
var props = equipmentProps.Where(t => t.Equipment.ip == item).ToList();
var client = S7PLCHelpers.FirstOrDefault(t => t.PLCIP == item).S7Client;
S7MultiVar s7MultiVar = new S7MultiVar(client);
int count = 20;
int i = 0;
while (true)
{
var tempProps = props.Skip(i).Take(count);
i += count;
if (tempProps.Count() == 0)
{
break;
}
//添加dataitem
foreach (var prop in tempProps)
{
var result = S7PLCHelper.AddressAnalyze(prop.address);
if (!result.Success)
{
return BllResultFactory.Error($"地址解析错误，属性明细Id：{prop.id}，详情：{result.Msg}");
}
var tran = result.Data;
if (!Enum.TryParse<PLCDataType>(prop.EquipmentTypePropTemplate.dataType, out PLCDataType dataType))
{
return BllResultFactory.Error($"未识别的数据类型{prop.EquipmentTypePropTemplate.dataType}");
}
var temp = S7PLCHelper.TransferStringToBuffer(dataType, prop.value.PadRight(20, ' '));
if (!temp.Success)
{
return BllResultFactory.Error($"转换数据出错：{temp.Msg}");
}
var tempBytes = temp.Data;
if (s7MultiVar.Add(tran.Area, tran.DataType, tran.DataNumber, tran.DataOffset, tran.DataAmount, ref tempBytes) == false)
{
return BllResultFactory.Error("添加地址失败");
}
}
GetLock(item);
int flag = s7MultiVar.Write();
ResetLock(item);
if (flag != 0)
{
return BllResultFactory.Error($"写入错误：{client.ErrorText(flag)}");
}
var tempp = s7MultiVar.Results.ToList().Where(t => t != 0).ToList();
if (tempp.Count > 0)
{
return BllResultFactory.Error($"存在写入错误:{client.ErrorText(tempp[0])}");
}
s7MultiVar.Clear();
};
}
}
catch (Exception ex)
{
return BllResultFactory.Error($"写入出现异常：{ex.ToString() }");
}
return BllResultFactory.Success();
}
}
}