SiemensS7Server.cs
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using HslCommunication.BasicFramework;
using HslCommunication.Core;
using HslCommunication.Core.Address;
using HslCommunication.Core.IMessage;
using HslCommunication.Core.Net;
using System;
using System.Collections.Generic;
using System.Net.Sockets;
namespace HslCommunication.Profinet.Siemens
{
/// <summary>
/// 西门子S7协议的虚拟服务器，支持TCP协议，无视PLC的型号，所以在客户端进行操作操作的时候，选择1200或是1500或是300或是400都是一样的。
/// </summary>
/// <remarks>
/// 地址支持的列表如下：
/// <list type="table">
/// <listheader>
/// <term>地址名称</term>
/// <term>地址代号</term>
/// <term>示例</term>
/// <term>地址进制</term>
/// <term>字操作</term>
/// <term>位操作</term>
/// <term>备注</term>
/// </listheader>
/// <item>
/// <term>中间寄存器</term>
/// <term>M</term>
/// <term>M100,M200</term>
/// <term>10</term>
/// <term>√</term>
/// <term>√</term>
/// <term></term>
/// </item>
/// <item>
/// <term>输入寄存器</term>
/// <term>I</term>
/// <term>I100,I200</term>
/// <term>10</term>
/// <term>√</term>
/// <term>√</term>
/// <term></term>
/// </item>
/// <item>
/// <term>输出寄存器</term>
/// <term>Q</term>
/// <term>Q100,Q200</term>
/// <term>10</term>
/// <term>√</term>
/// <term>√</term>
/// <term></term>
/// </item>
/// <item>
/// <term>DB块寄存器</term>
/// <term>DB</term>
/// <term>DB1.100,DB1.200</term>
/// <term>10</term>
/// <term>√</term>
/// <term>√</term>
/// <term></term>
/// </item>
/// <item>
/// <term>V寄存器</term>
/// <term>V</term>
/// <term>V100,V200</term>
/// <term>10</term>
/// <term>√</term>
/// <term>√</term>
/// <term>V寄存器本质就是DB块1</term>
/// </item>
/// <item>
/// <term>定时器的值</term>
/// <term>T</term>
/// <term>T100,T200</term>
/// <term>10</term>
/// <term>√</term>
/// <term>√</term>
/// <term>未测试通过</term>
/// </item>
/// <item>
/// <term>计数器的值</term>
/// <term>C</term>
/// <term>C100,C200</term>
/// <term>10</term>
/// <term>√</term>
/// <term>√</term>
/// <term>未测试通过</term>
/// </item>
/// </list>
/// <note type="important">对于200smartPLC的V区，就是DB1.X，例如，V100=DB1.100</note>
/// </remarks>
/// <example>
/// 你可以很快速并且简单的创建一个虚拟的s7服务器
/// <code lang="cs" source="HslCommunication_Net45.Test\Documentation\Samples\Profinet\SiemensS7ServerExample.cs" region="UseExample1" title="简单的创建服务器" />
/// 当然如果需要高级的服务器，指定日志，限制客户端的IP地址，获取客户端发送的信息，在服务器初始化的时候就要参照下面的代码：
/// <code lang="cs" source="HslCommunication_Net45.Test\Documentation\Samples\Profinet\SiemensS7ServerExample.cs" region="UseExample4" title="定制服务器" />
/// 服务器创建好之后，我们就可以对服务器进行一些读写的操作了，下面的代码是基础的BCL类型的读写操作。
/// <code lang="cs" source="HslCommunication_Net45.Test\Documentation\Samples\Profinet\SiemensS7ServerExample.cs" region="ReadWriteExample" title="基础的读写示例" />
/// 高级的对于byte数组类型的数据进行批量化的读写操作如下：
/// <code lang="cs" source="HslCommunication_Net45.Test\Documentation\Samples\Profinet\SiemensS7ServerExample.cs" region="BytesReadWrite" title="字节的读写示例" />
/// 更高级操作请参见源代码。
/// </example>
public class SiemensS7Server : NetworkDataServerBase
{
#region Constructor
/// <summary>
/// 实例化一个S7协议的服务器，支持I，Q，M，DB1.X 数据区块的读写操作
/// </summary>
public SiemensS7Server()
{
// 四个数据池初始化，输入寄存器，输出寄存器，中间寄存器，DB块寄存器
inputBuffer = new SoftBuffer(DataPoolLength);
outputBuffer = new SoftBuffer(DataPoolLength);
memeryBuffer = new SoftBuffer(DataPoolLength);
dbBlockBuffer = new SoftBuffer(DataPoolLength);
WordLength = 2;
ByteTransform = new ReverseBytesTransform();
}
#endregion
#region NetworkDataServerBase Override
/// <summary>
/// 读取自定义的寄存器的值
/// </summary>
/// <param name="address">起始地址，示例："I100"，"M100"</param>
/// <param name="length">数据长度</param>
/// <exception cref="IndexOutOfRangeException"></exception>
/// <returns>byte数组值</returns>
public override OperateResult<byte[]> Read(string address, ushort length)
{
OperateResult<S7AddressData> analysis = S7AddressData.ParseFrom(address, length);
if (!analysis.IsSuccess) return OperateResult.CreateFailedResult<byte[]>(analysis);
switch (analysis.Content.DataCode)
{
case 0x81: return OperateResult.CreateSuccessResult(inputBuffer.GetBytes(analysis.Content.AddressStart / 8, length));
case 0x82: return OperateResult.CreateSuccessResult(outputBuffer.GetBytes(analysis.Content.AddressStart / 8, length));
case 0x83: return OperateResult.CreateSuccessResult(memeryBuffer.GetBytes(analysis.Content.AddressStart / 8, length));
case 0x84: return OperateResult.CreateSuccessResult(dbBlockBuffer.GetBytes(analysis.Content.AddressStart / 8, length));
default: return new OperateResult<byte[]>(StringResources.Language.NotSupportedDataType);
}
}
/// <summary>
/// 写入自定义的数据到数据内存中去
/// </summary>
/// <param name="address">地址</param>
/// <param name="value">数据值</param>
/// <returns>是否写入成功的结果对象</returns>
public override OperateResult Write(string address, byte[] value)
{
OperateResult<S7AddressData> analysis = S7AddressData.ParseFrom(address);
if (!analysis.IsSuccess) return OperateResult.CreateFailedResult<byte[]>(analysis);
switch (analysis.Content.DataCode)
{
case 0x81: inputBuffer.SetBytes(value, analysis.Content.AddressStart / 8); return OperateResult.CreateSuccessResult();
case 0x82: outputBuffer.SetBytes(value, analysis.Content.AddressStart / 8); return OperateResult.CreateSuccessResult();
case 0x83: memeryBuffer.SetBytes(value, analysis.Content.AddressStart / 8); return OperateResult.CreateSuccessResult();
case 0x84: dbBlockBuffer.SetBytes(value, analysis.Content.AddressStart / 8); return OperateResult.CreateSuccessResult();
default: return new OperateResult<byte[]>(StringResources.Language.NotSupportedDataType);
}
}
#endregion
#region Byte Read Write Operate
/// <summary>
/// 读取指定地址的字节数据
/// </summary>
/// <param name="address">西门子的地址信息</param>
/// <returns>带有成功标志的结果对象</returns>
public OperateResult<byte> ReadByte(string address)
{
OperateResult<byte[]> read = Read(address, 1);
if (!read.IsSuccess) return OperateResult.CreateFailedResult<byte>(read);
return OperateResult.CreateSuccessResult(read.Content[0]);
}
/// <summary>
/// 将byte数据信息写入到指定的地址当中
/// </summary>
/// <param name="address">西门子的地址信息</param>
/// <param name="value">字节数据信息</param>
/// <returns>是否成功的结果</returns>
public OperateResult Write(string address, byte value)
{
return Write(address, new byte[] { value });
}
#endregion
#region Bool Read Write Operate
/// <summary>
/// 读取指定地址的bool数据对象
/// </summary>
/// <param name="address">西门子的地址信息</param>
/// <returns>带有成功标志的结果对象</returns>
public OperateResult<bool> ReadBool(string address)
{
OperateResult<S7AddressData> analysis = S7AddressData.ParseFrom(address);
if (!analysis.IsSuccess) return OperateResult.CreateFailedResult<bool>(analysis);
switch (analysis.Content.DataCode)
{
case 0x81: return OperateResult.CreateSuccessResult(inputBuffer.GetBool(analysis.Content.AddressStart));
case 0x82: return OperateResult.CreateSuccessResult(outputBuffer.GetBool(analysis.Content.AddressStart));
case 0x83: return OperateResult.CreateSuccessResult(memeryBuffer.GetBool(analysis.Content.AddressStart));
case 0x84: return OperateResult.CreateSuccessResult(dbBlockBuffer.GetBool(analysis.Content.AddressStart));
default: return new OperateResult<bool>(StringResources.Language.NotSupportedDataType);
}
}
/// <summary>
/// 往指定的地址里写入bool数据对象
/// </summary>
/// <param name="address">西门子的地址信息</param>
/// <param name="value">值</param>
/// <returns>是否成功的结果</returns>
public OperateResult Write(string address, bool value)
{
OperateResult<S7AddressData> analysis = S7AddressData.ParseFrom(address);
if (!analysis.IsSuccess) return analysis;
switch (analysis.Content.DataCode)
{
case 0x81: inputBuffer.SetBool(value, analysis.Content.AddressStart); return OperateResult.CreateSuccessResult();
case 0x82: outputBuffer.SetBool(value, analysis.Content.AddressStart); return OperateResult.CreateSuccessResult();
case 0x83: memeryBuffer.SetBool(value, analysis.Content.AddressStart); return OperateResult.CreateSuccessResult();
case 0x84: dbBlockBuffer.SetBool(value, analysis.Content.AddressStart); return OperateResult.CreateSuccessResult();
default: return new OperateResult(StringResources.Language.NotSupportedDataType);
}
}
#endregion
#region NetServer Override
/// <summary>
/// 当客户端登录后，进行Ip信息的过滤，然后触发本方法，也就是说之后的客户端需要
/// </summary>
/// <param name="socket">网络套接字</param>
/// <param name="endPoint">终端节点</param>
protected override void ThreadPoolLoginAfterClientCheck(Socket socket, System.Net.IPEndPoint endPoint)
{
// 接收2次的握手协议
S7Message s7Message = new S7Message();
OperateResult<byte[]> read1 = ReceiveByMessage(socket, 5000, s7Message);
if (!read1.IsSuccess) return;
OperateResult send1 = Send(socket, SoftBasic.HexStringToBytes("03 00 00 16 11 D0 00 01 00 0C 00 C0 01 0A C1 02 01 02 C2 02 01 00"));
if (!send1.IsSuccess) return;
OperateResult<byte[]> read2 = ReceiveByMessage(socket, 5000, s7Message);
if (!read1.IsSuccess) return;
OperateResult send2 = Send(socket, SoftBasic.HexStringToBytes("03 00 00 1B 02 F0 80 32 03 00 00 04 00 00 08 00 00 00 00 F0 00 00 01 00 01 00 F0"));
if (!read2.IsSuccess) return;
// 开始接收数据信息
AppSession appSession = new AppSession();
appSession.IpEndPoint = endPoint;
appSession.WorkSocket = socket;
try
{
socket.BeginReceive(new byte[0], 0, 0, SocketFlags.None, new AsyncCallback(SocketAsyncCallBack), appSession);
AddClient(appSession);
}
catch
{
socket.Close();
LogNet?.WriteDebug(ToString(), string.Format(StringResources.Language.ClientOfflineInfo, endPoint));
}
}
private void SocketAsyncCallBack(IAsyncResult ar)
{
if (ar.AsyncState is AppSession session)
{
try
{
int receiveCount = session.WorkSocket.EndReceive(ar);
S7Message s7Message = new S7Message();
OperateResult<byte[]> read1 = ReceiveByMessage(session.WorkSocket, 5000, s7Message);
if (!read1.IsSuccess)
{
LogNet?.WriteDebug(ToString(), string.Format(StringResources.Language.ClientOfflineInfo, session.IpEndPoint));
RemoveClient(session);
return;
};
byte[] receive = read1.Content;
if (receive[17] == 0x04)
{
// 读数据
session.WorkSocket.Send(ReadByMessage(receive));
}
else if (receive[17] == 0x05)
{
// 写数据
session.WorkSocket.Send(WriteByMessage(receive));
}
else if (receive[17] == 0x00)
{
// 请求订货号
session.WorkSocket.Send(SoftBasic.HexStringToBytes("03 00 00 7D 02 F0 80 32 07 00 00 00 01 00 0C 00 60 00 01 12 08 12 84 01 01 00 00 00 00 FF" +
" 09 00 5C 00 11 00 00 00 1C 00 03 00 01 36 45 53 37 20 32 31 35 2D 31 41 47 34 30 2D 30 58 42 30 20 00 00 00 06 20 20 00 06 36 45 53 37 20" +
" 32 31 35 2D 31 41 47 34 30 2D 30 58 42 30 20 00 00 00 06 20 20 00 07 36 45 53 37 20 32 31 35 2D 31 41 47 34 30 2D 30 58 42 30 20 00 00 56 04 02 01"));
}
else
{
session.WorkSocket.Close();
}
RaiseDataReceived(receive);
session.WorkSocket.BeginReceive(new byte[0], 0, 0, SocketFlags.None, new AsyncCallback(SocketAsyncCallBack), session);
}
catch
{
// 关闭连接，记录日志
session.WorkSocket?.Close();
LogNet?.WriteDebug(ToString(), string.Format(StringResources.Language.ClientOfflineInfo, session.IpEndPoint));
RemoveClient(session);
return;
}
}
}
private byte[] ReadByMessage(byte[] packCommand)
{
List<byte> content = new List<byte>();
int count = packCommand[18];
int index = 19;
for (int i = 0; i < count; i++)
{
byte length = packCommand[index + 1];
byte[] command = ByteTransform.TransByte(packCommand, index, length + 2);
index += length + 2;
content.AddRange(ReadByCommand(command));
}
byte[] back = new byte[21 + content.Count];
SoftBasic.HexStringToBytes("03 00 00 1A 02 F0 80 32 03 00 00 00 01 00 02 00 05 00 00 04 01").CopyTo(back, 0);
back[2] = (byte)(back.Length / 256);
back[3] = (byte)(back.Length % 256);
back[15] = (byte)(packCommand.Length / 256);
back[16] = (byte)(packCommand.Length % 256);
back[20] = packCommand[18];
content.CopyTo(back, 21);
return back;
}
private byte[] ReadByCommand(byte[] command)
{
if (command[3] == 0x01)
{
// 位读取
int startIndex = command[9] * 65536 + command[10] * 256 + command[11];
switch (command[8])
{
case 0x81: return PackReadBitCommandBack(inputBuffer.GetBool(startIndex));
case 0x82: return PackReadBitCommandBack(outputBuffer.GetBool(startIndex));
case 0x83: return PackReadBitCommandBack(memeryBuffer.GetBool(startIndex));
case 0x84: return PackReadBitCommandBack(dbBlockBuffer.GetBool(startIndex));
default: throw new Exception(StringResources.Language.NotSupportedDataType);
}
}
else
{
// 字读取
ushort length = ByteTransform.TransUInt16(command, 4);
int startIndex = (command[9] * 65536 + command[10] * 256 + command[11]) / 8;
switch (command[8])
{
case 0x81: return PackReadWordCommandBack(inputBuffer.GetBytes(startIndex, length));
case 0x82: return PackReadWordCommandBack(outputBuffer.GetBytes(startIndex, length));
case 0x83: return PackReadWordCommandBack(memeryBuffer.GetBytes(startIndex, length));
case 0x84: return PackReadWordCommandBack(dbBlockBuffer.GetBytes(startIndex, length));
default: throw new Exception(StringResources.Language.NotSupportedDataType);
}
}
}
private byte[] PackReadWordCommandBack(byte[] result)
{
byte[] back = new byte[4 + result.Length];
back[0] = 0xFF;
back[1] = 0x04;
ByteTransform.TransByte((ushort)result.Length).CopyTo(back, 2);
result.CopyTo(back, 4);
return back;
}
private byte[] PackReadBitCommandBack(bool value)
{
byte[] back = new byte[5];
back[0] = 0xFF;
back[1] = 0x03;
back[2] = 0x00;
back[3] = 0x01;
back[4] = (byte)(value ? 0x01 : 0x00);
return back;
}
private byte[] WriteByMessage(byte[] packCommand)
{
if (packCommand[22] == 0x02)
{
// 字写入
int count = ByteTransform.TransInt16(packCommand, 23);
int startIndex = (packCommand[28] * 65536 + packCommand[29] * 256 + packCommand[30]) / 8;
byte[] data = ByteTransform.TransByte(packCommand, 35, count);
switch (packCommand[27])
{
case 0x81: inputBuffer.SetBytes(data, startIndex); break;
case 0x82: outputBuffer.SetBytes(data, startIndex); break;
case 0x83: memeryBuffer.SetBytes(data, startIndex); break;
case 0x84: dbBlockBuffer.SetBytes(data, startIndex); break;
default: throw new Exception(StringResources.Language.NotSupportedDataType);
}
return SoftBasic.HexStringToBytes("03 00 00 16 02 F0 80 32 03 00 00 00 01 00 02 00 01 00 00 05 01 FF");
}
else
{
// 位写入
int startIndex = packCommand[28] * 65536 + packCommand[29] * 256 + packCommand[30];
bool value = packCommand[35] != 0x00;
switch (packCommand[27])
{
case 0x81: inputBuffer.SetBool(value, startIndex); break;
case 0x82: outputBuffer.SetBool(value, startIndex); break;
case 0x83: memeryBuffer.SetBool(value, startIndex); break;
case 0x84: dbBlockBuffer.SetBool(value, startIndex); break;
default: throw new Exception(StringResources.Language.NotSupportedDataType);
}
return SoftBasic.HexStringToBytes("03 00 00 16 02 F0 80 32 03 00 00 00 01 00 02 00 01 00 00 05 01 FF");
}
}
#endregion
#region Data Save Load Override
/// <summary>
/// 从字节数据加载数据信息
/// </summary>
/// <param name="content">字节数据</param>
protected override void LoadFromBytes(byte[] content)
{
if (content.Length < DataPoolLength * 4) throw new Exception("File is not correct");
inputBuffer.SetBytes(content, 0, 0, DataPoolLength);
outputBuffer.SetBytes(content, DataPoolLength, 0, DataPoolLength);
memeryBuffer.SetBytes(content, DataPoolLength * 2, 0, DataPoolLength);
dbBlockBuffer.SetBytes(content, DataPoolLength * 3, 0, DataPoolLength);
}
/// <summary>
/// 将数据信息存储到字节数组去
/// </summary>
/// <returns>所有的内容</returns>
protected override byte[] SaveToBytes()
{
byte[] buffer = new byte[DataPoolLength * 4];
Array.Copy(inputBuffer.GetBytes(), 0, buffer, 0, DataPoolLength);
Array.Copy(outputBuffer.GetBytes(), 0, buffer, DataPoolLength, DataPoolLength);
Array.Copy(memeryBuffer.GetBytes(), 0, buffer, DataPoolLength * 2, DataPoolLength);
Array.Copy(dbBlockBuffer.GetBytes(), 0, buffer, DataPoolLength * 3, DataPoolLength);
return buffer;
}
#endregion
#region IDisposable Support
/// <summary>
/// 释放当前的对象
/// </summary>
/// <param name="disposing">是否托管对象</param>
protected override void Dispose(bool disposing)
{
if (disposing)
{
inputBuffer?.Dispose();
outputBuffer?.Dispose();
memeryBuffer?.Dispose();
dbBlockBuffer?.Dispose();
}
base.Dispose(disposing);
}
#endregion
#region Private Member
private SoftBuffer inputBuffer; // 输入寄存器的数据池
private SoftBuffer outputBuffer; // 离散输入的数据池
private SoftBuffer memeryBuffer; // 寄存器的数据池
private SoftBuffer dbBlockBuffer; // 输入寄存器的数据池
private const int DataPoolLength = 65536; // 数据的长度
#endregion
#region Object Override
/// <summary>
/// 返回表示当前对象的字符串
/// </summary>
/// <returns>字符串信息</returns>
public override string ToString()
{
return $"SiemensS7Server[{Port}]";
}
#endregion
}
}