Several function enchancement

Modbus.Net/Modbus.Net.Modbus.NA200H/AddressFormaterNA200H.cs

@@ -3,7 +3,7 @@
     /// <summary>
     ///     南大奥拓NA200H专用AddressFormater
     /// </summary>
-    public class AddressFormaterNA200H : AddressFormater
+    public class AddressFormaterNA200H : AddressFormater<int, int>
     {
         /// <summary>
         ///     格式化地址

Modbus.Net/Modbus.Net.Modbus.NA200H/Modbus.Net.Modbus.NA200H.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net462</TargetFrameworks>
+    <TargetFrameworks>net6.0</TargetFrameworks>
     <LangVersion>10.0</LangVersion>
     <AssemblyName>Modbus.Net.Modbus.NA200H</AssemblyName>
     <RootNamespace>Modbus.Net.Modbus.NA200H</RootNamespace>

Modbus.Net/Modbus.Net.Modbus.SelfDefinedSample/Modbus.Net.Modbus.SelfDefinedSample.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net462</TargetFrameworks>
+    <TargetFrameworks>net6.0</TargetFrameworks>
     <LangVersion>10.0</LangVersion>
     <AssemblyName>Modbus.Net.Modbus.SelfDefinedSample</AssemblyName>
     <RootNamespace>Modbus.Net.Modbus.SelfDefinedSample</RootNamespace>

Modbus.Net/Modbus.Net.Modbus/AddressFormaterModbus.cs

@@ -3,7 +3,7 @@
     /// <summary>
     ///     Modbus标准AddressFormater
     /// </summary>
-    public class AddressFormaterModbus : AddressFormater
+    public class AddressFormaterModbus : AddressFormater<int, int>
     {
         /// <summary>
         ///     格式化地址

Modbus.Net/Modbus.Net.Modbus/Modbus.Net.Modbus.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net462</TargetFrameworks>
+    <TargetFrameworks>net6.0</TargetFrameworks>
     <LangVersion>10.0</LangVersion>
     <AssemblyName>Modbus.Net.Modbus</AssemblyName>
     <RootNamespace>Modbus.Net.Modbus</RootNamespace>

Modbus.Net/Modbus.Net.Modbus/ModbusMachine.cs

@@ -21,7 +21,7 @@ namespace Modbus.Net.Modbus
         /// <param name="masterAddress">主站号</param>
         /// <param name="endian">端格式</param>
         public ModbusMachine(TKey id, ModbusType connectionType, string connectionString,
-            IEnumerable<AddressUnit<TUnitKey>> getAddresses, bool keepConnect, byte slaveAddress, byte masterAddress,
+            IEnumerable<AddressUnit<TUnitKey, int ,int>> getAddresses, bool keepConnect, byte slaveAddress, byte masterAddress,
             Endian endian)
             : base(id, getAddresses, keepConnect, slaveAddress, masterAddress)
         {
@@ -42,7 +42,7 @@ namespace Modbus.Net.Modbus
         /// <param name="masterAddress">主站号</param>
         /// <param name="endian">端格式</param>
         public ModbusMachine(TKey id, ModbusType connectionType, string connectionString,
-            IEnumerable<AddressUnit<TUnitKey>> getAddresses, byte slaveAddress, byte masterAddress,
+            IEnumerable<AddressUnit<TUnitKey, int, int>> getAddresses, byte slaveAddress, byte masterAddress,
             Endian endian)
             : this(id, connectionType, connectionString, getAddresses, true, slaveAddress, masterAddress, endian)
         {

Modbus.Net/Modbus.Net.Opc/AddressFormaterOpc.cs

@@ -6,16 +6,16 @@ namespace Modbus.Net.Opc
     /// <summary>
     ///     Opc地址编码器
     /// </summary>
-    public class AddressFormaterOpc<TMachineKey, TUnitKey> : AddressFormater where TMachineKey : IEquatable<TMachineKey>
+    public class AddressFormaterOpc<TMachineKey, TUnitKey, TAddressKey, TSubAddressKey> : AddressFormater<TAddressKey, TSubAddressKey> where TMachineKey : IEquatable<TMachineKey>
-        where TUnitKey : IEquatable<TUnitKey>
+        where TUnitKey : IEquatable<TUnitKey> where TAddressKey : IEquatable<TAddressKey> where TSubAddressKey : IEquatable<TSubAddressKey>
     {
         /// <summary>
         ///     协议构造器
         /// </summary>
         /// <param name="tagGeter">如何通过BaseMachine和AddressUnit构造Opc的标签</param>
         /// <param name="machine">调用这个编码器的设备</param>
-        public AddressFormaterOpc(Func<BaseMachine<TMachineKey, TUnitKey>, AddressUnit<TUnitKey>, string[]> tagGeter,
+        public AddressFormaterOpc(Func<BaseMachine<TMachineKey, TUnitKey, TAddressKey, TSubAddressKey>, AddressUnit<TUnitKey, TAddressKey, TSubAddressKey>, string> tagGeter,
-            BaseMachine<TMachineKey, TUnitKey> machine)
+            BaseMachine<TMachineKey, TUnitKey, TAddressKey, TSubAddressKey> machine)
         {
             Machine = machine;
             TagGeter = tagGeter;
@@ -24,13 +24,13 @@ namespace Modbus.Net.Opc
         /// <summary>
         ///     设备
         /// </summary>
-        public BaseMachine<TMachineKey, TUnitKey> Machine { get; set; }
+        public BaseMachine<TMachineKey, TUnitKey, TAddressKey, TSubAddressKey> Machine { get; set; }
 
         /// <summary>
         ///     标签构造器
         ///     (设备,地址)->不具备分隔符的标签数组
         /// </summary>
-        protected Func<BaseMachine<TMachineKey, TUnitKey>, AddressUnit<TUnitKey>, string[]> TagGeter { get; set; }
+        protected Func<BaseMachine<TMachineKey, TUnitKey, TAddressKey, TSubAddressKey>, AddressUnit<TUnitKey, TAddressKey, TSubAddressKey>, string> TagGeter { get; set; }
 
         /// <summary>
         ///     编码地址
@@ -38,15 +38,12 @@ namespace Modbus.Net.Opc
         /// <param name="area">地址所在的数据区域</param>
         /// <param name="address">地址</param>
         /// <returns>编码后的地址</returns>
-        public override string FormatAddress(string area, int address)
+        public override string FormatAddress(string area, TAddressKey address)
         {
-            var findAddress = Machine?.GetAddresses.FirstOrDefault(p => p.Area == area && p.Address == address);
+            var findAddress = Machine?.GetAddresses.FirstOrDefault(p => p.Area == area && p.Address.Equals(address));
             if (findAddress == null) return null;
-            var strings = TagGeter(Machine, findAddress);
+            var ans = TagGeter(Machine, findAddress);
-            var ans = "";
+            ans = ans.Trim().Replace(" ", "");
-            for (var i = 0; i < strings.Length; i++)
-                ans += strings[i].Trim().Replace(" ", "") + '\r';
-            ans = ans.Substring(0, ans.Length - 1);
             return ans;
         }
 
@@ -57,7 +54,7 @@ namespace Modbus.Net.Opc
         /// <param name="address">地址</param>
         /// <param name="subAddress">子地址（忽略）</param>
         /// <returns>编码后的地址</returns>
-        public override string FormatAddress(string area, int address, int subAddress)
+        public override string FormatAddress(string area, TAddressKey address, TSubAddressKey subAddress)
         {
             return FormatAddress(area, address);
         }

Modbus.Net/Modbus.Net.Opc/ClientExtend.cs

@@ -3,9 +3,7 @@ using Hylasoft.Opc.Da;
 using Hylasoft.Opc.Ua;
 using System;
 using System.Collections.Generic;
-using System.Reflection;
 using System.Threading.Tasks;
-using URL = Opc.URL;
 
 namespace Modbus.Net.Opc
 {
@@ -73,18 +71,11 @@ namespace Modbus.Net.Opc
     public class MyDaClient : DaClient, IClientExtend
     {
         /// <summary>
-        ///     UaClient Extend
+        ///     构造函数
         /// </summary>
-        /// <param name="serverUrl">Url address of Opc UA server</param>
+        /// <param name="serverUrl">OpcDa服务端Url</param>
         public MyDaClient(Uri serverUrl) : base(serverUrl)
         {
-            var url = new URL(serverUrl.OriginalString)
-            {
-                Scheme = serverUrl.Scheme,
-                HostName = serverUrl.Host
-            };
-
-            typeof(DaClient).GetField("_url", BindingFlags.Instance | BindingFlags.NonPublic).SetValue(this, url);
         }
 
         /// <summary>

Modbus.Net/Modbus.Net.Opc/Modbus.Net.Opc.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net462</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <LangVersion>10.0</LangVersion>
     <AssemblyName>Modbus.Net.Opc</AssemblyName>
     <RootNamespace>Modbus.Net.Opc</RootNamespace>
@@ -23,22 +23,15 @@
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <PackageReadmeFile>README.md</PackageReadmeFile>
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>
-    <Platforms>AnyCPU;x86</Platforms>
+    <Platforms>AnyCPU</Platforms>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
     <DocumentationFile>bin\Debug\Modbus.Net.Opc.xml</DocumentationFile>
   </PropertyGroup>
   
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x86'">
-    <DocumentationFile>bin\Debug\Modbus.Net.Opc.xml</DocumentationFile>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <PackageReference Include="H.Opc" Version="0.9.3" />
-  </ItemGroup>
-  
   <ItemGroup>
+    <ProjectReference Include="..\..\h-opc\h-opc\h-opc.csproj" />
     <ProjectReference Include="..\Modbus.Net\Modbus.Net.csproj" />
   </ItemGroup>
 

Modbus.Net/Modbus.Net.Opc/OpcConnector.cs

@@ -97,7 +97,7 @@ namespace Modbus.Net.Opc
                     {
                         var result = await Client.ReadAsync<object>(tag);
                         object resultTrans;
-                        if (result.Value.ToString() == "False")
+                        if (result.Value?.ToString() == "False")
                         {
                             resultTrans = (byte)0;
                         }

Modbus.Net/Modbus.Net.Opc/OpcMachine.cs

@@ -6,7 +6,7 @@ namespace Modbus.Net.Opc
     /// <summary>
     ///     Opc设备
     /// </summary>
-    public class OpcMachine<TKey, TUnitKey> : BaseMachine<TKey, TUnitKey> where TKey : IEquatable<TKey>
+    public class OpcMachine<TKey, TUnitKey> : BaseMachine<TKey, TUnitKey, string, string> where TKey : IEquatable<TKey>
         where TUnitKey : IEquatable<TUnitKey>
     {
         /// <summary>
@@ -16,13 +16,12 @@ namespace Modbus.Net.Opc
         /// <param name="connectionType">连接类型</param>
         /// <param name="connectionString">连接地址</param>
         /// <param name="getAddresses">需要读写的地址</param>
-        public OpcMachine(TKey id, OpcType connectionType, string connectionString, IEnumerable<AddressUnit<TUnitKey>> getAddresses)
+        /// <param name="tagSpliter">连接各个字段用的符号</param>
+        public OpcMachine(TKey id, OpcType connectionType, string connectionString, IEnumerable<AddressUnit<TUnitKey, string, string>> getAddresses, string tagSpliter)
             : base(id, getAddresses, true)
         {
             BaseUtility = new OpcUtility(connectionType, connectionString);
-            AddressFormater = new AddressFormaterOpc<TKey, TUnitKey>((machine, unit) => { return new string[] { unit.Area }; }, this);
+            AddressFormater = new AddressFormaterOpc<TKey, TUnitKey, string, string>((machine, unit) => { var ans = unit.Area; if (unit.Address != null) ans += tagSpliter + unit.Address; if (unit.SubAddress != null) ans += tagSpliter + unit.SubAddress; return ans; }, this);
-            AddressCombiner = new AddressCombinerSingle<TUnitKey>();
-            AddressCombinerSet = new AddressCombinerSingle<TUnitKey>();
         }
     }
 }

Modbus.Net/Modbus.Net.Opc/OpcProtocolLinker.cs

@@ -8,20 +8,6 @@ namespace Modbus.Net.Opc
     /// </summary>
     public abstract class OpcProtocolLinker : ProtocolLinker<OpcParamIn, OpcParamOut>
     {
-        /// <summary>
-        ///     发送并接收数据
-        /// </summary>
-        /// <param name="content">发送协议的内容</param>
-        /// <returns>接收协议的内容</returns>
-        public override async Task<OpcParamOut> SendReceiveAsync(OpcParamIn content)
-        {
-            var extBytes = BytesExtend(content);
-            var receiveBytes = await SendReceiveWithoutExtAndDecAsync(extBytes);
-            return receiveBytes == null
-                ? null
-                : receiveBytes.Value.Length == 0 ? receiveBytes : BytesDecact(receiveBytes);
-        }
-
         /// <summary>
         ///     发送并接收数据，不进行协议扩展和收缩，用于特殊协议
         /// </summary>
@@ -47,6 +33,7 @@ namespace Modbus.Net.Opc
         public override bool? CheckRight(OpcParamOut content)
         {
             if (content == null || !content.Success) return false;
+            if (content.Success && content.Value == null) { content.Value = Encoding.ASCII.GetBytes("Success"); return true; }
             if (content.Value.Length == 6 && Encoding.ASCII.GetString(content.Value) == "NoData")
                 return null;
             return base.CheckRight(content);

Modbus.Net/Modbus.Net.Opc/README.md

@@ -5,3 +5,8 @@
 OPC Implementation of Modbus.Net
 
 Doc has been moved to wiki.
+
+## Caution
+
+Do not use this module in commercial environment.<br>
+Altered h-opc uses Technosoftware.DaAeHdaSolution that will not abey for non paid commercial use.

Modbus.Net/Modbus.Net.Siemens/AddressFormaterSiemens.cs

@@ -3,7 +3,7 @@
     /// <summary>
     ///     Siemens地址格式化（Modbus.Net专用格式）
     /// </summary>
-    public class AddressFormaterSiemens : AddressFormater
+    public class AddressFormaterSiemens : AddressFormater<int, int>
     {
         /// <summary>
         ///     编码地址
@@ -32,7 +32,7 @@
     /// <summary>
     ///     Siemens地址格式化（Siemens格式）
     /// </summary>
-    public class AddressFormaterSimenseStandard : AddressFormater
+    public class AddressFormaterSimenseStandard : AddressFormater<int, int>
     {
         /// <summary>
         ///     编码地址

Modbus.Net/Modbus.Net.Siemens/Modbus.Net.Siemens.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net462</TargetFrameworks>
+    <TargetFrameworks>net6.0</TargetFrameworks>
     <LangVersion>10.0</LangVersion>
     <AssemblyName>Modbus.Net.Siemens</AssemblyName>
     <RootNamespace>Modbus.Net.Siemens</RootNamespace>

Modbus.Net/Modbus.Net.Siemens/SiemensMachine.cs

@@ -23,7 +23,7 @@ namespace Modbus.Net.Siemens
         /// <param name="src">本机模块位，0到7，仅200使用，其它型号不要填写</param>
         /// <param name="dst">PLC模块位，0到7，仅200使用，其它型号不要填写</param>
         public SiemensMachine(TKey id, SiemensType connectionType, string connectionString, SiemensMachineModel model,
-            IEnumerable<AddressUnit<TUnitKey>> getAddresses, bool keepConnect, byte slaveAddress, byte masterAddress, byte src = 1, byte dst = 0)
+            IEnumerable<AddressUnit<TUnitKey, int, int>> getAddresses, bool keepConnect, byte slaveAddress, byte masterAddress, byte src = 1, byte dst = 0)
             : base(id, getAddresses, keepConnect, slaveAddress, masterAddress)
         {
             BaseUtility = new SiemensUtility(connectionType, connectionString, model, slaveAddress, masterAddress, src, dst);
@@ -45,7 +45,7 @@ namespace Modbus.Net.Siemens
         /// <param name="src">本机模块位，0到7，仅200使用，其它型号不要填写</param>
         /// <param name="dst">PLC模块位，0到7，仅200使用，其它型号不要填写</param>
         public SiemensMachine(TKey id, SiemensType connectionType, string connectionString, SiemensMachineModel model,
-            IEnumerable<AddressUnit<TUnitKey>> getAddresses, byte slaveAddress, byte masterAddress, byte src = 1, byte dst = 0)
+            IEnumerable<AddressUnit<TUnitKey, int, int>> getAddresses, byte slaveAddress, byte masterAddress, byte src = 1, byte dst = 0)
             : this(id, connectionType, connectionString, model, getAddresses, true, slaveAddress, masterAddress, src, dst)
         {
         }

Modbus.Net/Modbus.Net.Siemens/SiemensPpiProtocol.cs

@@ -34,16 +34,6 @@ namespace Modbus.Net.Siemens
             ProtocolLinker = new SiemensPpiProtocolLinker(_com, SlaveAddress);
         }
 
-        /// <summary>
-        ///     发送协议内容并接收，一般方法
-        /// </summary>
-        /// <param name="content">写入的内容，使用对象数组描述</param>
-        /// <returns>从设备获取的字节流</returns>
-        public override PipeUnit SendReceive(params object[] content)
-        {
-            return AsyncHelper.RunSync(() => SendReceiveAsync(Endian, content));
-        }
-
         /// <summary>
         ///     发送协议内容并接收，一般方法
         /// </summary>

Modbus.Net/Modbus.Net.Siemens/SiemensPpiProtocolLinker.cs

@@ -1,4 +1,4 @@
-using FastEnumUtility;
+using System;
 using System.Collections.Generic;
 using System.IO.Ports;
 using System.Threading;
@@ -19,7 +19,7 @@ namespace Modbus.Net.Siemens
         public SiemensPpiProtocolLinker(string com, int slaveAddress)
             : base(com, slaveAddress, parity:
                   ConfigurationReader.GetValue("COM:Siemens", "Parity") != null
-                  ? FastEnum.Parse<Parity>(ConfigurationReader.GetValue("COM:Siemens", "Parity"))
+                  ? Enum.Parse<Parity>(ConfigurationReader.GetValue("COM:Siemens", "Parity"))
                   : null
                   )
         {

Modbus.Net/Modbus.Net.Siemens/SiemensTcpProtocol.cs

@@ -78,16 +78,6 @@ namespace Modbus.Net.Siemens
             ProtocolLinker = new SiemensTcpProtocolLinker(_ip, _port);
         }
 
-        /// <summary>
-        ///     发送数据并接收
-        /// </summary>
-        /// <param name="content">发送的数据</param>
-        /// <returns>返回的数据</returns>
-        public override PipeUnit SendReceive(params object[] content)
-        {
-            return AsyncHelper.RunSync(() => SendReceiveAsync(Endian, content));
-        }
-
         /// <summary>
         ///     发送数据并接收
         /// </summary>
@@ -100,17 +90,6 @@ namespace Modbus.Net.Siemens
             return await base.SendReceiveAsync(Endian, content);
         }
 
-        /// <summary>
-        ///     发送数据并接收
-        /// </summary>
-        /// <param name="unit">协议的核心</param>
-        /// <param name="content">协议的参数</param>
-        /// <returns>返回的数据</returns>
-        public override PipeUnit SendReceive(ProtocolUnit<byte[], byte[]> unit, IInputStruct content)
-        {
-            return AsyncHelper.RunSync(() => SendReceiveAsync(unit, content));
-        }
-
         /// <summary>
         ///     发送数据并接收
         /// </summary>

Modbus.Net/Modbus.Net.sln

@@ -34,6 +34,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "TripleAdd", "..\Samples\Tri
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Modbus.Net.Modbus.SelfDefinedSample", "Modbus.Net.Modbus.SelfDefinedSample\Modbus.Net.Modbus.SelfDefinedSample.csproj", "{C4FA55AF-80ED-4467-948F-8EF865C8A5A5}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "h-opc", "..\h-opc\h-opc\h-opc.csproj", "{DC6425E4-1409-488D-A014-4DCC909CF542}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -84,6 +86,10 @@ Global
 		{C4FA55AF-80ED-4467-948F-8EF865C8A5A5}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{C4FA55AF-80ED-4467-948F-8EF865C8A5A5}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{C4FA55AF-80ED-4467-948F-8EF865C8A5A5}.Release|Any CPU.Build.0 = Release|Any CPU
+		{DC6425E4-1409-488D-A014-4DCC909CF542}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{DC6425E4-1409-488D-A014-4DCC909CF542}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DC6425E4-1409-488D-A014-4DCC909CF542}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{DC6425E4-1409-488D-A014-4DCC909CF542}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

Modbus.Net/Modbus.Net/Configuration/MachineReader.cs

@@ -1,5 +1,4 @@
-using FastEnumUtility;
+using Microsoft.Extensions.Configuration;
-using Microsoft.Extensions.Configuration;
 using System;
 using System.Collections.Generic;
 using System.IO;
@@ -62,8 +61,19 @@ namespace Modbus.Net
                             }
                         case "addressMap":
                             {
-                                paramsSet.Add(AddressReader.ReadAddresses(dic["addressMap"]));
+                                var machineTypeTemp = Assembly.Load("Modbus.Net." + dic["protocol"]).GetType("Modbus.Net." + dic["protocol"] + "." + dic["protocol"] + "Machine`2");
-                                break;
+                                var addressTypes = machineTypeTemp.GetProperty("GetAddresses").PropertyType.GenericTypeArguments[0].GenericTypeArguments;
+                                if (addressTypes[1] == typeof(int) && addressTypes[2] == typeof(int))
+                                {
+                                    paramsSet.Add(AddressReader<string, int, int>.ReadAddresses(dic["addressMap"]));
+                                    break;
+                                }
+                                else if (addressTypes[1] == typeof(string) && addressTypes[2] == typeof(string))
+                                {
+                                    paramsSet.Add(AddressReader<string, string, string>.ReadAddresses(dic["addressMap"]));
+                                    break;
+                                }
+                                throw new NotSupportedException("AddressUnit type not supported for AddressReader");
                             }
                         case "endian":
                             {
@@ -105,7 +115,7 @@ namespace Modbus.Net
         }
     }
 
-    class AddressReader
+    internal class AddressReader<TUnitKey, TAddressKey, TSubAddressKey> where TUnitKey : IEquatable<TUnitKey> where TAddressKey : IEquatable<TAddressKey> where TSubAddressKey : IEquatable<TSubAddressKey>
     {
         private static readonly IConfigurationRoot configuration = new ConfigurationBuilder()
             .SetBasePath(Directory.GetCurrentDirectory())
@@ -114,14 +124,14 @@ namespace Modbus.Net
             .AddJsonFile($"appsettings.{Environment.GetEnvironmentVariable("DOTNET_ENVIRONMENT") ?? Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") ?? "Production"}.json", optional: true, reloadOnChange: true)
             .Build();
 
-        public static IEnumerable<AddressUnit<string>> ReadAddresses(string addressMapName)
+        public static IEnumerable<AddressUnit<TUnitKey, TAddressKey, TSubAddressKey>> ReadAddresses(string addressMapName)
         {
-            var ans = new List<AddressUnit<string>>();
+            var ans = new List<AddressUnit<TUnitKey, TAddressKey, TSubAddressKey>>();
             var addressesRoot = configuration.GetSection("Modbus.Net").GetSection("AddressMap").GetSection(addressMapName).GetChildren();
             foreach (var address in addressesRoot)
             {
 
-                var addressNew = address.Get<AddressUnit<string>>();
+                var addressNew = address.Get<AddressUnit<TUnitKey, TAddressKey, TSubAddressKey>>();
                 addressNew.DataType = "System." + address["DataType"] != null ? Type.GetType("System." + address["DataType"]) : throw new ArgumentNullException("DataType is null");
                 if (addressNew.DataType == null) throw new ArgumentNullException(string.Format("DataType define error {0} {1} {2}", addressMapName, addressNew.Id, address["DataType"]));
                 ans.Add(addressNew);

Modbus.Net/Modbus.Net/Helper/AsyncHelper.cs

@@ -1,71 +0,0 @@
-using System;
-using System.Threading;
-using System.Threading.Tasks;
-
-namespace Modbus.Net
-{
-    /// <summary>
-    ///     AsyncHelper Class
-    /// </summary>
-    public static class AsyncHelper
-    {
-        private static readonly TaskFactory _myTaskFactory = new
-            TaskFactory(CancellationToken.None,
-                TaskCreationOptions.None,
-                TaskContinuationOptions.None,
-                TaskScheduler.Default);
-
-        /// <summary>
-        ///     Run async method syncronized
-        /// </summary>
-        /// <typeparam name="TResult">Return type</typeparam>
-        /// <param name="func">Async method with return</param>
-        /// <returns>Return value</returns>
-        public static TResult RunSync<TResult>(Func<Task<TResult>> func)
-        {
-            return _myTaskFactory
-                .StartNew(func)
-                .Unwrap()
-                .GetAwaiter()
-                .GetResult();
-        }
-
-        /// <summary>
-        ///     Run async method syncronized.
-        /// </summary>
-        /// <param name="func">Async method</param>
-        public static void RunSync(Func<Task> func)
-        {
-            _myTaskFactory
-                .StartNew(func)
-                .Unwrap()
-                .GetAwaiter()
-                .GetResult();
-        }
-
-        /// <summary>
-        ///     Change async task to async task with cancellation token
-        /// </summary>
-        /// <param name="task">Async task</param>
-        /// <param name="token">Cancellation Token</param>
-        /// <returns>Task with Cancellation token</returns>
-        public static Task WithCancellation(this Task task,
-            CancellationToken token)
-        {
-            return task.ContinueWith(t => t.GetAwaiter().GetResult(), token);
-        }
-
-        /// <summary>
-        ///     Add a CancellationToken to async task
-        /// </summary>
-        /// <typeparam name="T">type of a task</typeparam>
-        /// <param name="task">Task</param>
-        /// <param name="token">Cancellation token</param>
-        /// <returns>Task with cancellation token</returns>
-        public static Task<T> WithCancellation<T>(this Task<T> task,
-            CancellationToken token)
-        {
-            return task.ContinueWith(t => t.GetAwaiter().GetResult(), token);
-        }
-    }
-}

Modbus.Net/Modbus.Net/Helper/ValueHelper.cs

@@ -307,13 +307,27 @@ namespace Modbus.Net
         /// <returns>对应的ValueHelper实例</returns>
         public static ValueHelper GetInstance(Endian endian)
         {
+            if (EndianInstanceCache.ContainsKey(endian.ToString()))
+            {
+                return EndianInstanceCache[endian.ToString()];
+            }
             foreach (var assembly in AssemblyHelper.GetAllLibraryAssemblies())
             {
                 var valueHelper = assembly.GetType("Modbus.Net."+endian.ToString() + "ValueHelper")?.GetProperty("Instance")?.GetValue(null, null) as ValueHelper;
-                if (valueHelper != null) return valueHelper;
+                if (valueHelper != null)
+                {
+                    EndianInstanceCache[endian.ToString()] = valueHelper;
+                    return valueHelper;
+                }
+                
             }
-            return null;
+            throw new NotImplementedException("ValueHelper " + endian.ToString() + " doesn't exist.");
         }
+
+        /// <summary>
+        ///     ValueHelper实例的缓存
+        /// </summary>
+        protected static Dictionary<string, ValueHelper> EndianInstanceCache = new Dictionary<string, ValueHelper>();
     }
 
     /// <summary>

Modbus.Net/Modbus.Net/Interface/IMachineMethod.cs

@@ -15,26 +15,12 @@ namespace Modbus.Net
     /// </summary>
     public interface IMachineMethodDatas : IMachineMethod
     {
-        /// <summary>
-        ///     读取数据
-        /// </summary>
-        /// <returns>从设备读取的数据</returns>
-        ReturnStruct<Dictionary<string, ReturnUnit<double>>> GetDatas(MachineDataType getDataType);
-
         /// <summary>
         ///     读取数据
         /// </summary>
         /// <returns>从设备读取的数据</returns>
         Task<ReturnStruct<Dictionary<string, ReturnUnit<double>>>> GetDatasAsync(MachineDataType getDataType);
 
-        /// <summary>
-        ///     写入数据
-        /// </summary>
-        /// <param name="setDataType">写入类型</param>
-        /// <param name="values">需要写入的数据字典，当写入类型为Address时，键为需要写入的地址，当写入类型为CommunicationTag时，键为需要写入的单元的描述</param>
-        /// <returns>是否写入成功</returns>
-        ReturnStruct<bool> SetDatas(MachineDataType setDataType, Dictionary<string, double> values);
-
         /// <summary>
         ///     写入数据
         /// </summary>

Modbus.Net/Modbus.Net/Interface/IProtocol.cs

@@ -39,13 +39,6 @@ namespace Modbus.Net
         /// <returns></returns>
         bool Disconnect();
 
-        /// <summary>
-        ///     发送协议内容并接收，一般方法
-        /// </summary>
-        /// <param name="content">写入的内容，使用对象数组描述</param>
-        /// <returns>从设备获取的字节流</returns>
-        TPipeUnit SendReceive(params object[] content);
-
         /// <summary>
         ///     发送协议内容并接收，一般方法
         /// </summary>
@@ -53,14 +46,6 @@ namespace Modbus.Net
         /// <returns>从设备获取的字节流</returns>
         Task<TPipeUnit> SendReceiveAsync(params object[] content);
 
-        /// <summary>
-        ///     发送协议，通过传入需要使用的协议内容和输入结构
-        /// </summary>
-        /// <param name="unit">协议的实例</param>
-        /// <param name="content">输入信息的结构化描述</param>
-        /// <returns>输出信息的结构化描述</returns>
-        TPipeUnit SendReceive(TProtocolUnit unit, IInputStruct content);
-
         /// <summary>
         ///     发送协议，通过传入需要使用的协议内容和输入结构
         /// </summary>
@@ -69,16 +54,6 @@ namespace Modbus.Net
         /// <returns>输出信息的结构化描述</returns>
         Task<TPipeUnit> SendReceiveAsync(TProtocolUnit unit, IInputStruct content);
 
-        /// <summary>
-        ///     发送协议，通过传入需要使用的协议内容和输入结构
-        /// </summary>
-        /// <param name="unit">协议的实例</param>
-        /// <param name="content">输入信息的结构化描述</param>
-        /// <returns>输出信息的结构化描述</returns>
-        /// <typeparam name="T">IOutputStruct的具体类型</typeparam>
-        T SendReceive<T>(
-            TProtocolUnit unit, IInputStruct content) where T : class, IOutputStruct;
-
         /// <summary>
         ///     发送协议，通过传入需要使用的协议内容和输入结构
         /// </summary>

Modbus.Net/Modbus.Net/Interface/IProtocolLinker.cs

@@ -31,13 +31,6 @@ namespace Modbus.Net
         /// <returns>设备是否断开成功</returns>
         bool Disconnect();
 
-        /// <summary>
-        ///     发送并接收数据
-        /// </summary>
-        /// <param name="content">发送协议的内容</param>
-        /// <returns>接收协议的内容</returns>
-        TParamOut SendReceive(TParamIn content);
-
         /// <summary>
         ///     发送并接收数据
         /// </summary>
@@ -45,13 +38,6 @@ namespace Modbus.Net
         /// <returns>接收协议的内容</returns>
         Task<TParamOut> SendReceiveAsync(TParamIn content);
 
-        /// <summary>
-        ///     发送并接收数据，不进行协议扩展和收缩，用于特殊协议
-        /// </summary>
-        /// <param name="content">发送协议的内容</param>
-        /// <returns>接收协议的内容</returns>
-        TParamOut SendReceiveWithoutExtAndDec(TParamIn content);
-
         /// <summary>
         ///     发送并接收数据，不进行协议扩展和收缩，用于特殊协议
         /// </summary>
@@ -65,19 +51,5 @@ namespace Modbus.Net
         /// <param name="content">接收协议的内容</param>
         /// <returns>协议是否是正确的</returns>
         bool? CheckRight(TParamOut content);
-
-        /// <summary>
-        ///     协议内容扩展，发送时根据需要扩展
-        /// </summary>
-        /// <param name="content">扩展前的基本协议内容</param>
-        /// <returns>扩展后的协议内容</returns>
-        TParamIn BytesExtend(TParamIn content);
-
-        /// <summary>
-        ///     协议内容缩减，接收时根据需要缩减
-        /// </summary>
-        /// <param name="content">缩减前的完整协议内容</param>
-        /// <returns>缩减后的协议内容</returns>
-        TParamOut BytesDecact(TParamOut content);
     }
 }

Modbus.Net/Modbus.Net/Interface/IUtilityMethod.cs

@@ -16,14 +16,6 @@ namespace Modbus.Net
     /// </summary>
     public interface IUtilityMethodDatas : IUtilityMethod
     {
-        /// <summary>
-        ///     获取数据
-        /// </summary>
-        /// <param name="startAddress">开始地址</param>
-        /// <param name="getByteCount">获取字节数个数</param>
-        /// <returns>接收到的byte数据</returns>
-        ReturnStruct<byte[]> GetDatas(string startAddress, int getByteCount);
-
         /// <summary>
         ///     获取数据
         /// </summary>
@@ -32,14 +24,6 @@ namespace Modbus.Net
         /// <returns>接收到的byte数据</returns>
         Task<ReturnStruct<byte[]>> GetDatasAsync(string startAddress, int getByteCount);
 
-        /// <summary>
-        ///     获取数据
-        /// </summary>
-        /// <param name="startAddress">开始地址</param>
-        /// <param name="getTypeAndCount">获取类型和个数</param>
-        /// <returns>接收到的对应的类型和数据</returns>
-        ReturnStruct<object[]> GetDatas(string startAddress, KeyValuePair<Type, int> getTypeAndCount);
-
         /// <summary>
         ///     获取数据
         /// </summary>
@@ -48,15 +32,6 @@ namespace Modbus.Net
         /// <returns>接收到的对应的类型和数据</returns>
         Task<ReturnStruct<object[]>> GetDatasAsync(string startAddress, KeyValuePair<Type, int> getTypeAndCount);
 
-        /// <summary>
-        ///     获取数据
-        /// </summary>
-        /// <typeparam name="T">需要接收的类型</typeparam>
-        /// <param name="startAddress">开始地址</param>
-        /// <param name="getByteCount">获取字节数个数</param>
-        /// <returns>接收到的对应的类型和数据</returns>
-        ReturnStruct<T[]> GetDatas<T>(string startAddress, int getByteCount);
-
         /// <summary>
         ///     获取数据
         /// </summary>
@@ -66,14 +41,6 @@ namespace Modbus.Net
         /// <returns>接收到的对应的类型和数据</returns>
         Task<ReturnStruct<T[]>> GetDatasAsync<T>(string startAddress, int getByteCount);
 
-        /// <summary>
-        ///     获取数据
-        /// </summary>
-        /// <param name="startAddress">开始地址</param>
-        /// <param name="getTypeAndCountList">获取类型和个数的队列</param>
-        /// <returns>获取数据的对象数组，请强制转换成相应类型</returns>
-        ReturnStruct<object[]> GetDatas(string startAddress, IEnumerable<KeyValuePair<Type, int>> getTypeAndCountList);
-
         /// <summary>
         ///     获取数据
         /// </summary>
@@ -81,14 +48,6 @@ namespace Modbus.Net
         /// <param name="getTypeAndCountList">获取类型和个数的队列</param>
         Task<ReturnStruct<object[]>> GetDatasAsync(string startAddress, IEnumerable<KeyValuePair<Type, int>> getTypeAndCountList);
 
-        /// <summary>
-        ///     设置数据
-        /// </summary>
-        /// <param name="startAddress">开始地址</param>
-        /// <param name="setContents">设置数据</param>
-        /// <returns>是否设置成功</returns>
-        ReturnStruct<bool> SetDatas(string startAddress, object[] setContents);
-
         /// <summary>
         ///     设置数据
         /// </summary>

Modbus.Net/Modbus.Net/Linker/ComProtocolLinker.cs

@@ -1,4 +1,4 @@
-using FastEnumUtility;
+using System;
 using System.IO.Ports;
 
 namespace Modbus.Net
@@ -23,11 +23,11 @@ namespace Modbus.Net
         protected ComProtocolLinker(string com, int slaveAddress, BaudRate? baudRate = null, Parity? parity = null, StopBits? stopBits = null, DataBits? dataBits = null, Handshake? handshake = null,
             int? connectionTimeout = null, bool? isFullDuplex = null)
         {
-            baudRate = FastEnum.Parse<BaudRate>(baudRate != null ? baudRate.ToString() : null ?? ConfigurationReader.GetValue("COM:" + com, "BaudRate"));
+            baudRate = Enum.Parse<BaudRate>(baudRate != null ? baudRate.ToString() : null ?? ConfigurationReader.GetValue("COM:" + com, "BaudRate"));
-            parity = FastEnum.Parse<Parity>(parity != null ? parity.ToString() : null ?? ConfigurationReader.GetValue("COM:" + com, "Parity"));
+            parity = Enum.Parse<Parity>(parity != null ? parity.ToString() : null ?? ConfigurationReader.GetValue("COM:" + com, "Parity"));
-            stopBits = FastEnum.Parse<StopBits>(stopBits != null ? stopBits.ToString() : null ?? ConfigurationReader.GetValue("COM:" + com, "StopBits"));
+            stopBits = Enum.Parse<StopBits>(stopBits != null ? stopBits.ToString() : null ?? ConfigurationReader.GetValue("COM:" + com, "StopBits"));
-            dataBits = FastEnum.Parse<DataBits>(dataBits != null ? dataBits.ToString() : null ?? ConfigurationReader.GetValue("COM:" + com, "DataBits"));
+            dataBits = Enum.Parse<DataBits>(dataBits != null ? dataBits.ToString() : null ?? ConfigurationReader.GetValue("COM:" + com, "DataBits"));
-            handshake = FastEnum.Parse<Handshake>(handshake != null ? handshake.ToString() : null ?? ConfigurationReader.GetValue("COM:" + com, "Handshake"));
+            handshake = Enum.Parse<Handshake>(handshake != null ? handshake.ToString() : null ?? ConfigurationReader.GetValue("COM:" + com, "Handshake"));
             connectionTimeout = int.Parse(connectionTimeout != null ? connectionTimeout.ToString() : null ?? ConfigurationReader.GetValue("COM:" + com, "ConnectionTimeout"));
             isFullDuplex = bool.Parse(isFullDuplex != null ? isFullDuplex.ToString() : null ?? ConfigurationReader.GetValue("COM:" + com, "FullDuplex"));
             BaseConnector = new ComConnector(com + ":" + slaveAddress, baudRate.Value, parity.Value, stopBits.Value, dataBits.Value, handshake.Value, connectionTimeout.Value, isFullDuplex.Value);

Modbus.Net/Modbus.Net/Linker/ProtocolLinker.cs

@@ -7,7 +7,7 @@ namespace Modbus.Net
     /// <summary>
     ///     基本的协议连接器
     /// </summary>
-    public abstract class ProtocolLinker : ProtocolLinker<byte[], byte[]>
+    public abstract class ProtocolLinker : ProtocolLinker<byte[], byte[]>, IProtocolLinkerBytesExtend<byte[], byte[]>
     {
         /// <summary>
         ///     发送并接收数据
@@ -41,7 +41,7 @@ namespace Modbus.Net
         /// </summary>
         /// <param name="content">扩展前的基本协议内容</param>
         /// <returns>扩展后的协议内容</returns>
-        public override byte[] BytesExtend(byte[] content)
+        public virtual byte[] BytesExtend(byte[] content)
         {
             //自动查找相应的协议放缩类，命令规则为——当前的实际类名（注意是继承后的）+"BytesExtend"。
             var bytesExtend =
@@ -56,7 +56,7 @@ namespace Modbus.Net
         /// </summary>
         /// <param name="content">缩减前的完整协议内容</param>
         /// <returns>缩减后的协议内容</returns>
-        public override byte[] BytesDecact(byte[] content)
+        public virtual byte[] BytesDecact(byte[] content)
         {
             //自动查找相应的协议放缩类，命令规则为——当前的实际类名（注意是继承后的）+"BytesExtend"。
             var bytesExtend =
@@ -122,16 +122,6 @@ namespace Modbus.Net
         /// </summary>
         public bool IsConnected => BaseConnector != null && BaseConnector.IsConnected;
 
-        /// <summary>
-        ///     发送并接收数据
-        /// </summary>
-        /// <param name="content">发送协议的内容</param>
-        /// <returns>接收协议的内容</returns>
-        public virtual TParamOut SendReceive(TParamIn content)
-        {
-            return AsyncHelper.RunSync(() => SendReceiveAsync(content));
-        }
-
         /// <summary>
         ///     发送并接收数据
         /// </summary>
@@ -139,19 +129,8 @@ namespace Modbus.Net
         /// <returns>接收协议的内容</returns>
         public virtual async Task<TParamOut> SendReceiveAsync(TParamIn content)
         {
-            var extBytes = BytesExtend(content);
+            var receiveBytes = await SendReceiveWithoutExtAndDecAsync(content);
-            var receiveBytes = await SendReceiveWithoutExtAndDecAsync(extBytes);
+            return receiveBytes;
-            return BytesDecact(receiveBytes);
-        }
-
-        /// <summary>
-        ///     发送并接收数据，不进行协议扩展和收缩，用于特殊协议
-        /// </summary>
-        /// <param name="content">发送协议的内容</param>
-        /// <returns>接收协议的内容</returns>
-        public virtual TParamOut SendReceiveWithoutExtAndDec(TParamIn content)
-        {
-            return AsyncHelper.RunSync(() => SendReceiveWithoutExtAndDecAsync(content));
         }
 
         /// <summary>
@@ -180,25 +159,5 @@ namespace Modbus.Net
             Disconnect();
             return false;
         }
-
-        /// <summary>
-        ///     协议内容扩展，发送时根据需要扩展
-        /// </summary>
-        /// <param name="content">扩展前的基本协议内容</param>
-        /// <returns>扩展后的协议内容</returns>
-        public virtual TParamIn BytesExtend(TParamIn content)
-        {
-            throw new NotImplementedException();
-        }
-
-        /// <summary>
-        ///     协议内容缩减，接收时根据需要缩减
-        /// </summary>
-        /// <param name="content">缩减前的完整协议内容</param>
-        /// <returns>缩减后的协议内容</returns>
-        public virtual TParamOut BytesDecact(TParamOut content)
-        {
-            throw new NotImplementedException();
-        }
     }
 }

Modbus.Net/Modbus.Net/Machine/AddressCombiner.cs

@@ -7,20 +7,20 @@ namespace Modbus.Net
     /// <summary>
     ///     地址组合器，组合后的每一组地址将只需一次向设备进行通讯
     /// </summary>
-    public abstract class AddressCombiner<TKey> where TKey : IEquatable<TKey>
+    public abstract class AddressCombiner<TKey, TAddressKey, TSubAddressKey> where TKey : IEquatable<TKey> where TAddressKey : IEquatable<TAddressKey> where TSubAddressKey : IEquatable<TSubAddressKey>
     {
         /// <summary>
         ///     组合地址
         /// </summary>
         /// <param name="addresses">需要进行组合的地址</param>
         /// <returns>组合完成后与设备通讯的地址</returns>
-        public abstract IEnumerable<CommunicationUnit<TKey>> Combine(IEnumerable<AddressUnit<TKey>> addresses);
+        public abstract IEnumerable<CommunicationUnit<TKey, TAddressKey, TSubAddressKey>> Combine(IEnumerable<AddressUnit<TKey, TAddressKey, TSubAddressKey>> addresses);
     }
 
     /// <summary>
     ///     连续的地址将组合成一组，向设备进行通讯
     /// </summary>
-    public class AddressCombinerContinus<TKey> : AddressCombiner<TKey> where TKey : IEquatable<TKey>
+    public class AddressCombinerContinus<TKey> : AddressCombiner<TKey, int, int> where TKey : IEquatable<TKey>
     {
         /// <summary>
         ///     构造函数
@@ -48,7 +48,7 @@ namespace Modbus.Net
         /// </summary>
         /// <param name="addresses">需要组合的地址</param>
         /// <returns>组合后的地址</returns>
-        public override IEnumerable<CommunicationUnit<TKey>> Combine(IEnumerable<AddressUnit<TKey>> addresses)
+        public override IEnumerable<CommunicationUnit<TKey, int, int>> Combine(IEnumerable<AddressUnit<TKey, int, int>> addresses)
         {
             //按从小到大的顺序对地址进行排序
             var groupedAddresses = from address in addresses
@@ -58,7 +58,7 @@ namespace Modbus.Net
                                    group address by address.Area
                 into grouped
                                    select grouped;
-            var ans = new List<CommunicationUnit<TKey>>();
+            var ans = new List<CommunicationUnit<TKey, int, int>>();
             foreach (var groupedAddress in groupedAddresses)
             {
                 var area = groupedAddress.Key;
@@ -69,7 +69,7 @@ namespace Modbus.Net
                 //上一个地址类型
                 Type preType = null;
                 //记录一个地址组合当中的所有原始地址
-                var originalAddresses = new List<AddressUnit<TKey>>();
+                var originalAddresses = new List<AddressUnit<TKey, int, int>>();
                 //对组合内地址从小到大进行排序
                 var orderedAddresses =
                     groupedAddress.OrderBy(
@@ -114,7 +114,7 @@ namespace Modbus.Net
                                      AddressTranslator.GetAreaByteLength(address.Area)))
                         {
                             //上一个地址域压入返回结果，并把当前记录的结果清空。
-                            ans.Add(new CommunicationUnit<TKey>
+                            ans.Add(new CommunicationUnit<TKey, int, int>
                             {
                                 Area = area,
                                 Address = (int)Math.Floor(initNum),
@@ -144,7 +144,7 @@ namespace Modbus.Net
                     preType = address.DataType;
                 }
                 //最后一个地址域压入返回结果
-                ans.Add(new CommunicationUnit<TKey>
+                ans.Add(new CommunicationUnit<TKey, int, int>
                 {
                     Area = area,
                     Address = (int)Math.Floor(initNum),
@@ -167,9 +167,9 @@ namespace Modbus.Net
         /// </summary>
         /// <param name="ans">拆分前的连续地址池</param>
         /// <returns>拆分后的连续地址池</returns>
-        protected List<CommunicationUnit<TKey>> MaxExclude(List<CommunicationUnit<TKey>> ans)
+        protected List<CommunicationUnit<TKey, int, int>> MaxExclude(List<CommunicationUnit<TKey, int, int>> ans)
         {
-            var newAns = new List<CommunicationUnit<TKey>>();
+            var newAns = new List<CommunicationUnit<TKey, int, int>>();
             foreach (var communicationUnit in ans)
             {
                 var oldByteCount = communicationUnit.GetCount *
@@ -178,7 +178,7 @@ namespace Modbus.Net
                 while (oldByteCount * ValueHelper.ByteLength[communicationUnit.DataType.FullName] >
                        MaxLength)
                 {
-                    var newOriginalAddresses = new List<AddressUnit<TKey>>();
+                    var newOriginalAddresses = new List<AddressUnit<TKey, int, int>>();
                     var newByteCount = 0.0;
                     var newAddressUnitStart = oldOriginalAddresses.First();
                     do
@@ -190,7 +190,7 @@ namespace Modbus.Net
                         newOriginalAddresses.Add(currentAddressUnit);
                         oldOriginalAddresses.RemoveAt(0);
                     } while (newByteCount < MaxLength);
-                    var newCommunicationUnit = new CommunicationUnit<TKey>
+                    var newCommunicationUnit = new CommunicationUnit<TKey, int, int>
                     {
                         Area = newAddressUnitStart.Area,
                         Address = newAddressUnitStart.Address,
@@ -225,26 +225,26 @@ namespace Modbus.Net
     /// <summary>
     ///     单个地址变为一组，每一个地址都进行一次查询
     /// </summary>
-    public class AddressCombinerSingle<TKey> : AddressCombiner<TKey> where TKey : IEquatable<TKey>
+    public class AddressCombinerSingle<TKey, TAddressKey, TSubAddressKey> : AddressCombiner<TKey, TAddressKey, TSubAddressKey> where TKey : IEquatable<TKey> where TAddressKey : IEquatable<TAddressKey> where TSubAddressKey : IEquatable<TSubAddressKey>
     {
         /// <summary>
         ///     组合地址
         /// </summary>
         /// <param name="addresses">需要组合的地址</param>
         /// <returns>组合后的地址</returns>
-        public override IEnumerable<CommunicationUnit<TKey>> Combine(IEnumerable<AddressUnit<TKey>> addresses)
+        public override IEnumerable<CommunicationUnit<TKey, TAddressKey, TSubAddressKey>> Combine(IEnumerable<AddressUnit<TKey, TAddressKey, TSubAddressKey>> addresses)
         {
             return
                 addresses.Select(
                     address =>
-                        new CommunicationUnit<TKey>
+                        new CommunicationUnit<TKey, TAddressKey, TSubAddressKey>
                         {
                             Area = address.Area,
                             Address = address.Address,
                             SubAddress = address.SubAddress,
                             DataType = address.DataType,
                             GetCount = 1,
-                            OriginalAddresses = new List<AddressUnit<TKey>> { address }
+                            OriginalAddresses = new List<AddressUnit<TKey, TAddressKey, TSubAddressKey>> { address }
                         }).ToList();
         }
     }
@@ -254,7 +254,7 @@ namespace Modbus.Net
     /// </summary>
     internal class CommunicationUnitGap<TKey> where TKey : IEquatable<TKey>
     {
-        public CommunicationUnit<TKey> EndUnit { get; set; }
+        public CommunicationUnit<TKey, int, int> EndUnit { get; set; }
         public int GapNumber { get; set; }
     }
 
@@ -285,11 +285,11 @@ namespace Modbus.Net
         /// </summary>
         /// <param name="addresses">需要组合的地址</param>
         /// <returns>组合后的地址</returns>
-        public override IEnumerable<CommunicationUnit<TKey>> Combine(IEnumerable<AddressUnit<TKey>> addresses)
+        public override IEnumerable<CommunicationUnit<TKey, int, int>> Combine(IEnumerable<AddressUnit<TKey, int, int>> addresses)
         {
             var continusAddresses = base.Combine(addresses).ToList();
             var addressesGaps = new List<CommunicationUnitGap<TKey>>();
-            CommunicationUnit<TKey> preCommunicationUnit = null;
+            CommunicationUnit<TKey, int, int> preCommunicationUnit = null;
             foreach (var continusAddress in continusAddresses)
             {
                 if (preCommunicationUnit == null)
@@ -335,7 +335,7 @@ namespace Modbus.Net
                 continusAddresses.RemoveAt(index);
                 continusAddresses.RemoveAt(index);
                 //合并两个已有的地址段，变为一个新的地址段
-                var newAddress = new CommunicationUnit<TKey>
+                var newAddress = new CommunicationUnit<TKey, int, int>
                 {
                     Area = nowAddress.Area,
                     Address = preAddress.Address,
@@ -382,9 +382,9 @@ namespace Modbus.Net
         /// </summary>
         /// <param name="addresses">需要组合的地址</param>
         /// <returns>组合后的地址</returns>
-        public override IEnumerable<CommunicationUnit<TKey>> Combine(IEnumerable<AddressUnit<TKey>> addresses)
+        public override IEnumerable<CommunicationUnit<TKey, int, int>> Combine(IEnumerable<AddressUnit<TKey, int, int>> addresses)
         {
-            var addressUnits = addresses as IList<AddressUnit<TKey>> ?? addresses.ToList();
+            var addressUnits = addresses as IList<AddressUnit<TKey, int, int>> ?? addresses.ToList();
             var count = addressUnits.Sum(address => ValueHelper.ByteLength[address.DataType.FullName]);
             return
                 new AddressCombinerNumericJump<TKey>((int)(count * Percentage / 100.0), MaxLength, AddressTranslator)

Modbus.Net/Modbus.Net/Machine/AddressFormater.cs

@@ -1,9 +1,11 @@
-namespace Modbus.Net
+using System;
+
+namespace Modbus.Net
 {
     /// <summary>
     ///     地址编码器
     /// </summary>
-    public abstract class AddressFormater
+    public abstract class AddressFormater<TAddressKey, TSubAddressKey> where TAddressKey : IEquatable<TAddressKey> where TSubAddressKey : IEquatable<TSubAddressKey>
     {
         /// <summary>
         ///     编码地址
@@ -11,7 +13,7 @@
         /// <param name="area">地址所在的数据区域</param>
         /// <param name="address">地址</param>
         /// <returns>编码后的地址</returns>
-        public abstract string FormatAddress(string area, int address);
+        public abstract string FormatAddress(string area, TAddressKey address);
 
         /// <summary>
         ///     编码地址
@@ -20,13 +22,13 @@
         /// <param name="address">地址</param>
         /// <param name="subAddress">子地址</param>
         /// <returns>编码后的地址</returns>
-        public abstract string FormatAddress(string area, int address, int subAddress);
+        public abstract string FormatAddress(string area, TAddressKey address, TSubAddressKey subAddress);
     }
 
     /// <summary>
     ///     基本的地址编码器
     /// </summary>
-    public class AddressFormaterBase : AddressFormater
+    public class AddressFormaterBase : AddressFormater<int, int>
     {
         /// <summary>
         ///     编码地址

Modbus.Net/Modbus.Net/Machine/BaseMachine.cs

@@ -1,4 +1,5 @@
 using Microsoft.Extensions.Logging;
+using Quartz.Logging;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -11,37 +12,12 @@ namespace Modbus.Net
     /// </summary>
     /// <typeparam name="TKey">设备的Id类型</typeparam>
     /// <typeparam name="TUnitKey">设备中使用的AddressUnit的Id类型</typeparam>
-    public abstract class BaseMachine<TKey, TUnitKey> : IMachine<TKey>
+    public abstract class BaseMachine<TKey, TUnitKey> : BaseMachine<TKey, TUnitKey, int, int>, IMachine<TKey>
         where TKey : IEquatable<TKey>
         where TUnitKey : IEquatable<TUnitKey>
     {
         private static readonly ILogger<BaseMachine<TKey, TUnitKey>> logger = LogProvider.CreateLogger<BaseMachine<TKey, TUnitKey>>();
 
-        private readonly int _maxErrorCount = 3;
-
-        /// <summary>
-        ///     构造器
-        /// </summary>
-        /// <param name="id">设备的ID号</param>
-        /// <param name="getAddresses">需要与设备通讯的地址</param>
-        protected BaseMachine(TKey id, IEnumerable<AddressUnit<TUnitKey>> getAddresses)
-            : this(id, getAddresses, false)
-        {
-        }
-
-        /// <summary>
-        ///     构造器
-        /// </summary>
-        /// <param name="id">设备的ID号</param>
-        /// <param name="getAddresses">需要与设备通讯的地址</param>
-        /// <param name="keepConnect">是否保持连接</param>
-        protected BaseMachine(TKey id, IEnumerable<AddressUnit<TUnitKey>> getAddresses, bool keepConnect)
-        {
-            Id = id;
-            GetAddresses = getAddresses;
-            KeepConnect = keepConnect;
-        }
-
         /// <summary>
         ///     构造器
         /// </summary>
@@ -50,70 +26,18 @@ namespace Modbus.Net
         /// <param name="keepConnect">是否保持连接</param>
         /// <param name="slaveAddress">从站地址</param>
         /// <param name="masterAddress">主站地址</param>
-        protected BaseMachine(TKey id, IEnumerable<AddressUnit<TUnitKey>> getAddresses, bool keepConnect, byte slaveAddress,
+        protected BaseMachine(TKey id, IEnumerable<AddressUnit<TUnitKey, int, int>> getAddresses, bool keepConnect, byte slaveAddress,
-            byte masterAddress) : this(id, getAddresses, keepConnect)
+            byte masterAddress) : base(id, getAddresses, keepConnect)
         {
             SlaveAddress = slaveAddress;
             MasterAddress = masterAddress;
         }
 
+
+        private readonly int _maxErrorCount = 3;
+
         private int ErrorCount { get; set; }
 
-        /// <summary>
-        ///     地址编码器
-        /// </summary>
-        public AddressFormater AddressFormater { get; set; }
-
-        /// <summary>
-        ///     获取地址组合器
-        /// </summary>
-        public AddressCombiner<TUnitKey> AddressCombiner { get; set; }
-
-        /// <summary>
-        ///     写入地址组合器
-        /// </summary>
-        public AddressCombiner<TUnitKey> AddressCombinerSet { get; set; }
-
-        /// <summary>
-        ///     地址转换器
-        /// </summary>
-        public AddressTranslator AddressTranslator
-        {
-            get => BaseUtility.AddressTranslator;
-            set => BaseUtility.AddressTranslator = value;
-        }
-
-        /// <summary>
-        ///     与设备实际通讯的连续地址
-        /// </summary>
-        protected IEnumerable<CommunicationUnit<TUnitKey>> CommunicateAddresses
-            => GetAddresses != null ? AddressCombiner.Combine(GetAddresses) : null;
-
-        /// <summary>
-        ///     描述需要与设备通讯的地址
-        /// </summary>
-        private IEnumerable<AddressUnit<TUnitKey>> getAddresses;
-
-        private object getAddressesLock = new object();
-
-        /// <summary>
-        ///     描述需要与设备通讯的地址
-        /// </summary>
-        public IEnumerable<AddressUnit<TUnitKey>> GetAddresses
-        {
-            get
-            {
-                return getAddresses;
-            }
-            set
-            {
-                lock (getAddressesLock)
-                {
-                    getAddresses = value;
-                }
-            }
-        }
-
         /// <summary>
         ///     从站号
         /// </summary>
@@ -125,20 +49,26 @@ namespace Modbus.Net
         public byte MasterAddress { get; set; }
 
         /// <summary>
-        ///     读取数据
+        ///     与设备实际通讯的连续地址
         /// </summary>
-        /// <returns>从设备读取的数据</returns>
+        protected IEnumerable<CommunicationUnit<TUnitKey, int, int>> CommunicateAddresses
-        public ReturnStruct<Dictionary<string, ReturnUnit<double>>> GetDatas(MachineDataType getDataType)
+            => GetAddresses != null ? AddressCombiner.Combine(GetAddresses) : null;
-        {
-            return AsyncHelper.RunSync(() => GetDatasAsync(getDataType));
-        }
 
+        /// <summary>
+        ///     获取地址组合器
+        /// </summary>
+        public AddressCombiner<TUnitKey, int, int> AddressCombiner { get; set; }
+
+        /// <summary>
+        ///     写入地址组合器
+        /// </summary>
+        public AddressCombiner<TUnitKey, int, int> AddressCombinerSet { get; set; }
 
         /// <summary>
         ///     读取数据
         /// </summary>
         /// <returns>从设备读取的数据</returns>
-        public async Task<ReturnStruct<Dictionary<string, ReturnUnit<double>>>> GetDatasAsync(MachineDataType getDataType)
+        public async override Task<ReturnStruct<Dictionary<string, ReturnUnit<double>>>> GetDatasAsync(MachineDataType getDataType)
         {
             try
             {
@@ -316,18 +246,7 @@ namespace Modbus.Net
         /// <param name="setDataType">写入类型</param>
         /// <param name="values">需要写入的数据字典，当写入类型为Address时，键为需要写入的地址，当写入类型为CommunicationTag时，键为需要写入的单元的描述</param>
         /// <returns>是否写入成功</returns>
-        public ReturnStruct<bool> SetDatas(MachineDataType setDataType, Dictionary<string, double> values)
+        public async override Task<ReturnStruct<bool>> SetDatasAsync(MachineDataType setDataType, Dictionary<string, double> values)
-        {
-            return AsyncHelper.RunSync(() => SetDatasAsync(setDataType, values));
-        }
-
-        /// <summary>
-        ///     写入数据
-        /// </summary>
-        /// <param name="setDataType">写入类型</param>
-        /// <param name="values">需要写入的数据字典，当写入类型为Address时，键为需要写入的地址，当写入类型为CommunicationTag时，键为需要写入的单元的描述</param>
-        /// <returns>是否写入成功</returns>
-        public async Task<ReturnStruct<bool>> SetDatasAsync(MachineDataType setDataType, Dictionary<string, double> values)
         {
             try
             {
@@ -342,12 +261,12 @@ namespace Modbus.Net
                     ErrorCode = -1,
                     ErrorMsg = "Connection Error"
                 };
-                var addresses = new List<AddressUnit<TUnitKey>>();
+                var addresses = new List<AddressUnit<TUnitKey, int, int>>();
                 //遍历每个要设置的值
                 foreach (var value in values)
                 {
                     //根据设置类型找到对应的地址描述
-                    AddressUnit<TUnitKey> address = null;
+                    AddressUnit<TUnitKey, int, int> address = null;
                     switch (setDataType)
                     {
                         case MachineDataType.Address:
@@ -550,6 +469,49 @@ namespace Modbus.Net
                 ErrorMsg = ""
             };
         }
+    }
+
+    /// <summary>
+    ///     设备
+    /// </summary>
+    /// <typeparam name="TKey">设备的Id类型</typeparam>
+    /// <typeparam name="TUnitKey">设备中使用的AddressUnit的Id类型</typeparam>
+    /// <typeparam name="TAddressKey">设备中使用的AddressUnit的Address类型</typeparam>
+    /// <typeparam name="TSubAddressKey">设备中使用的AddressUnit的SubAddress类型</typeparam>
+    public abstract class BaseMachine<TKey, TUnitKey, TAddressKey, TSubAddressKey> : IMachine<TKey>
+        where TKey : IEquatable<TKey>
+        where TUnitKey : IEquatable<TUnitKey>
+        where TAddressKey : IEquatable<TAddressKey>
+        where TSubAddressKey : IEquatable<TSubAddressKey>
+    {
+        private static readonly ILogger<BaseMachine<TKey, TUnitKey, TAddressKey, TSubAddressKey>> logger = LogProvider.CreateLogger<BaseMachine<TKey, TUnitKey, TAddressKey, TSubAddressKey>>();
+
+        /// <summary>
+        ///     构造器
+        /// </summary>
+        /// <param name="id">设备的ID号</param>
+        /// <param name="getAddresses">需要与设备通讯的地址</param>
+        protected BaseMachine(TKey id, IEnumerable<AddressUnit<TUnitKey, TAddressKey, TSubAddressKey>> getAddresses)
+            : this(id, getAddresses, false)
+        {
+        }
+
+        /// <summary>
+        ///     构造器
+        /// </summary>
+        /// <param name="id">设备的ID号</param>
+        /// <param name="getAddresses">需要与设备通讯的地址</param>
+        /// <param name="keepConnect">是否保持连接</param>
+        protected BaseMachine(TKey id, IEnumerable<AddressUnit<TUnitKey, TAddressKey, TSubAddressKey>> getAddresses, bool keepConnect)
+        {
+            Id = id;
+            GetAddresses = getAddresses;
+            KeepConnect = keepConnect;
+        }
+
+        private readonly int _maxErrorCount = 3;
+
+        private int ErrorCount { get; set; }
 
         /// <summary>
         ///     是否处于连接状态
@@ -586,6 +548,383 @@ namespace Modbus.Net
         /// </summary>
         public string ConnectionToken => BaseUtility.ConnectionToken;
 
+        /// <summary>
+        ///     描述需要与设备通讯的地址
+        /// </summary>
+        private IEnumerable<AddressUnit<TUnitKey, TAddressKey, TSubAddressKey>> getAddresses;
+
+        private object getAddressesLock = new object();
+
+        /// <summary>
+        ///     描述需要与设备通讯的地址
+        /// </summary>
+        public IEnumerable<AddressUnit<TUnitKey, TAddressKey, TSubAddressKey>> GetAddresses
+        {
+            get
+            {
+                return getAddresses;
+            }
+            set
+            {
+                lock (getAddressesLock)
+                {
+                    getAddresses = value;
+                }
+            }
+        }
+
+        /// <summary>
+        ///     地址编码器
+        /// </summary>
+        public AddressFormater<TAddressKey, TSubAddressKey> AddressFormater { get; set; }
+
+        /// <summary>
+        ///     地址转换器
+        /// </summary>
+        public AddressTranslator AddressTranslator
+        {
+            get => BaseUtility.AddressTranslator;
+            set => BaseUtility.AddressTranslator = value;
+        }
+
+        /// <summary>
+        ///     读取数据
+        /// </summary>
+        /// <returns>从设备读取的数据</returns>
+        public async virtual Task<ReturnStruct<Dictionary<string, ReturnUnit<double>>>> GetDatasAsync(MachineDataType getDataType)
+        {
+            try
+            {
+                var ans = new Dictionary<string, ReturnUnit<double>>();
+                //检测并连接设备
+                if (!BaseUtility.IsConnected)
+                    await BaseUtility.ConnectAsync();
+                //如果无法连接，终止
+                if (!BaseUtility.IsConnected) return
+                        new ReturnStruct<Dictionary<string, ReturnUnit<double>>>()
+                        {
+                            Datas = null,
+                            IsSuccess = false,
+                            ErrorCode = -1,
+                            ErrorMsg = "Connection Error"
+                        };
+                //遍历每一个实际向设备获取数据的连续地址
+                foreach (var address in GetAddresses)
+                {
+                    //获取数据
+                    var datas =
+                        await
+                            BaseUtility.GetUtilityMethods<IUtilityMethodDatas>().GetDatasAsync(
+                                AddressFormater.FormatAddress(address.Area, address.Address,
+                                    address.SubAddress),
+                                (int)
+                                Math.Ceiling(ValueHelper.ByteLength[
+                                                 address.DataType.FullName]));
+
+
+                    //如果没有数据，终止
+                    if (datas.IsSuccess == false || datas.Datas == null)
+                    {
+                        return new ReturnStruct<Dictionary<string, ReturnUnit<double>>>()
+                        {
+                            Datas = null,
+                            IsSuccess = false,
+                            ErrorCode = datas.ErrorCode,
+                            ErrorMsg = datas.ErrorMsg
+                        };
+                    }
+                    else if (datas.Datas.Length != 0 && datas.Datas.Length <
+                        (int)
+                        Math.Ceiling(ValueHelper.ByteLength[
+                                         address.DataType.FullName]))
+                    {
+                        return new ReturnStruct<Dictionary<string, ReturnUnit<double>>>()
+                        {
+                            Datas = null,
+                            IsSuccess = false,
+                            ErrorCode = -2,
+                            ErrorMsg = "Data length mismatch"
+                        };
+                    }
+                    
+                    //字节坐标的主地址位置
+                    var localMainPos = 0;
+                    //字节坐标的子地址位置
+                    var localSubPos = 0;
+
+                    //根据类型选择返回结果的键是通讯标识还是地址
+                    string key;
+                    switch (getDataType)
+                    {
+                        case MachineDataType.CommunicationTag:
+                            {
+                                key = address.CommunicationTag;
+                                break;
+                            }
+                        case MachineDataType.Address:
+                            {
+                                key = AddressFormater.FormatAddress(address.Area, address.Address, address.SubAddress);
+                                break;
+                            }
+                        case MachineDataType.Name:
+                            {
+                                key = address.Name;
+                                break;
+                            }
+                        case MachineDataType.Id:
+                            {
+                                key = address.Id.ToString();
+                                break;
+                            }
+                        default:
+                            {
+                                key = address.CommunicationTag;
+                                break;
+                            }
+                    }
+
+                    try
+                    {
+                        //如果没有数据返回空
+                        if (datas.Datas.Length == 0)
+                            ans.Add(key, new ReturnUnit<double>
+                            {
+                                DeviceValue = null,
+                                AddressUnit = address.MapAddressUnitTUnitKeyToAddressUnit(),
+                            });
+                        else
+                            ans.Add(key,
+                                new ReturnUnit<double>
+                                {
+                                    DeviceValue =
+                                        Math.Round(Convert.ToDouble(
+                                            ValueHelper.GetInstance(BaseUtility.Endian)
+                                                .GetValue(datas.Datas, ref localMainPos, ref localSubPos,
+                                                    address.DataType)) * address.Zoom, address.DecimalPos),
+                                    AddressUnit = address.MapAddressUnitTUnitKeyToAddressUnit(),
+                                });
+                    }
+                    catch (Exception e)
+                    {
+                        ErrorCount++;
+                        logger.LogError(e, $"BaseMachine -> GetDatas, Id:{Id} Connection:{ConnectionToken} key {key} existing. ErrorCount {ErrorCount}.");
+
+                        if (ErrorCount >= _maxErrorCount)
+                            Disconnect();
+                        return new ReturnStruct<Dictionary<string, ReturnUnit<double>>>()
+                        {
+                            Datas = null,
+                            IsSuccess = false,
+                            ErrorCode = -3,
+                            ErrorMsg = "Data translation mismatch"
+                        };
+                    }
+                }
+                
+                //如果不保持连接，断开连接
+                if (!KeepConnect)
+                    BaseUtility.Disconnect();
+                //返回数据
+                if (ans.All(p => p.Value.DeviceValue == null)) ans = null;
+                ErrorCount = 0;
+                return new ReturnStruct<Dictionary<string, ReturnUnit<double>>>
+                {
+                    Datas = ans,
+                    IsSuccess = true,
+                    ErrorCode = 0,
+                    ErrorMsg = ""
+                };
+            }
+            catch (Exception e)
+            {
+                ErrorCount++;
+                logger.LogError(e, $"BaseMachine -> GetDatas, Id:{Id} Connection:{ConnectionToken} error. ErrorCount {ErrorCount}.");
+
+                if (ErrorCount >= _maxErrorCount)
+                    Disconnect();
+                return new ReturnStruct<Dictionary<string, ReturnUnit<double>>>()
+                {
+                    Datas = null,
+                    IsSuccess = false,
+                    ErrorCode = -100,
+                    ErrorMsg = "Unknown Exception"
+                };
+            }
+        }
+
+        /// <summary>
+        ///     写入数据
+        /// </summary>
+        /// <param name="setDataType">写入类型</param>
+        /// <param name="values">需要写入的数据字典，当写入类型为Address时，键为需要写入的地址，当写入类型为CommunicationTag时，键为需要写入的单元的描述</param>
+        /// <returns>是否写入成功</returns>
+        public async virtual Task<ReturnStruct<bool>> SetDatasAsync(MachineDataType setDataType, Dictionary<string, double> values)
+        {
+            try
+            {
+                //检测并连接设备
+                if (!BaseUtility.IsConnected)
+                    await BaseUtility.ConnectAsync();
+                //如果设备无法连接，终止
+                if (!BaseUtility.IsConnected) return new ReturnStruct<bool>()
+                {
+                    Datas = false,
+                    IsSuccess = false,
+                    ErrorCode = -1,
+                    ErrorMsg = "Connection Error"
+                };
+                var addresses = new List<AddressUnit<TUnitKey, TAddressKey, TSubAddressKey>>();
+                //遍历每个要设置的值
+                foreach (var value in values)
+                {
+                    //根据设置类型找到对应的地址描述
+                    AddressUnit<TUnitKey, TAddressKey, TSubAddressKey> address = null;
+                    switch (setDataType)
+                    {
+                        case MachineDataType.Address:
+                            {
+                                address =
+                                    GetAddresses.SingleOrDefault(
+                                        p =>
+                                            AddressFormater.FormatAddress(p.Area, p.Address, p.SubAddress) == value.Key ||
+                                            p.DataType != typeof(bool) &&
+                                            AddressFormater.FormatAddress(p.Area, p.Address) == value.Key);
+                                break;
+                            }
+                        case MachineDataType.CommunicationTag:
+                            {
+                                address =
+                                    GetAddresses.SingleOrDefault(p => p.CommunicationTag == value.Key);
+                                break;
+                            }
+                        case MachineDataType.Name:
+                            {
+                                address = GetAddresses.SingleOrDefault(p => p.Name == value.Key);
+                                break;
+                            }
+                        case MachineDataType.Id:
+                            {
+                                address = GetAddresses.SingleOrDefault(p => p.Id.ToString() == value.Key);
+                                break;
+                            }
+                        default:
+                            {
+                                address =
+                                    GetAddresses.SingleOrDefault(p => p.CommunicationTag == value.Key);
+                                break;
+                            }
+                    }
+                    //地址为空报错
+                    if (address == null)
+                    {
+                        logger.LogError($"Machine {ConnectionToken} Address {value.Key} doesn't exist.");
+                        continue;
+                    }
+                    //不能写报错
+                    if (!address.CanWrite)
+                    {
+                        logger.LogError($"Machine {ConnectionToken} Address {value.Key} cannot write.");
+                        continue;
+                    }
+                    addresses.Add(address);
+                }
+
+                //遍历每条通讯的地址
+
+
+                var valueHelper = ValueHelper.GetInstance(BaseUtility.Endian);
+
+                foreach (var addressUnit in addresses)
+                {
+                    //协议主地址字符串
+                    var address = AddressFormater.FormatAddress(addressUnit.Area,
+                        addressUnit.Address, addressUnit.SubAddress);
+                    //获取写入类型
+                    var dataType = addressUnit.DataType;
+                    KeyValuePair<string, double> value;
+                    switch (setDataType)
+                    {
+                        case MachineDataType.Address:
+                            {
+                                //获取要写入的值
+                                value = values.SingleOrDefault(p => p.Key == address);
+                                break;
+                            }
+                        case MachineDataType.CommunicationTag:
+                            {
+                                value = values.SingleOrDefault(p => p.Key == addressUnit.CommunicationTag);
+                                break;
+                            }
+                        case MachineDataType.Name:
+                            {
+                                value = values.SingleOrDefault(p => p.Key == addressUnit.Name);
+                                break;
+                            }
+                        case MachineDataType.Id:
+                            {
+                                value = values.SingleOrDefault(p => p.Key == addressUnit.Id.ToString());
+                                break;
+                            }
+                        default:
+                            {
+                                value = values.SingleOrDefault(p => p.Key == addressUnit.CommunicationTag);
+                                break;
+                            }
+                    }
+                    //将要写入的值加入队列
+                    var data = Convert.ChangeType(value.Value / addressUnit.Zoom, dataType);
+                    
+                    //写入数据
+                    await
+                        BaseUtility.GetUtilityMethods<IUtilityMethodDatas>().SetDatasAsync(address,
+                            new object[] { data });
+                }
+                //如果不保持连接，断开连接
+                if (!KeepConnect)
+                    BaseUtility.Disconnect();
+            }
+            catch (Exception e)
+            {
+                ErrorCount++;
+                logger.LogError(e, $"BaseMachine -> SetDatas, Id:{Id} Connection:{ConnectionToken} error. ErrorCount {ErrorCount}.");
+
+                if (ErrorCount >= _maxErrorCount)
+                    Disconnect();
+                return new ReturnStruct<bool>()
+                {
+                    Datas = false,
+                    IsSuccess = false,
+                    ErrorCode = -100,
+                    ErrorMsg = "Unknown Exception"
+                };
+            }
+            return new ReturnStruct<bool>()
+            {
+                Datas = true,
+                IsSuccess = true,
+                ErrorCode = 0,
+                ErrorMsg = ""
+            };
+        }
+
+        /// <summary>
+        ///     通过Id获取数据字段定义
+        /// </summary>
+        /// <param name="addressUnitId">数据字段Id</param>
+        /// <returns>数据字段</returns>
+        public AddressUnit<TUnitKey, TAddressKey, TSubAddressKey> GetAddressUnitById(TUnitKey addressUnitId)
+        {
+            try
+            {
+                return GetAddresses.SingleOrDefault(p => p.Id.Equals(addressUnitId));
+            }
+            catch (Exception e)
+            {
+                logger.LogError(e, $"BaseMachine -> GetAddressUnitById Id:{Id} ConnectionToken:{ConnectionToken} addressUnitId:{addressUnitId} Repeated");
+                return null;
+            }
+        }
+
         /// <summary>
         ///     获取设备的方法集合
         /// </summary>
@@ -627,24 +966,6 @@ namespace Modbus.Net
         {
             return BaseUtility.Disconnect();
         }
-
-        /// <summary>
-        ///     通过Id获取数据字段定义
-        /// </summary>
-        /// <param name="addressUnitId">数据字段Id</param>
-        /// <returns>数据字段</returns>
-        public AddressUnit<TUnitKey> GetAddressUnitById(TUnitKey addressUnitId)
-        {
-            try
-            {
-                return GetAddresses.SingleOrDefault(p => p.Id.Equals(addressUnitId));
-            }
-            catch (Exception e)
-            {
-                logger.LogError(e, $"BaseMachine -> GetAddressUnitById Id:{Id} ConnectionToken:{ConnectionToken} addressUnitId:{addressUnitId} Repeated");
-                return null;
-            }
-        }
     }
 
     internal class BaseMachineEqualityComparer<TKey> : IEqualityComparer<IMachineProperty<TKey>>
@@ -664,7 +985,7 @@ namespace Modbus.Net
     /// <summary>
     ///     通讯单元
     /// </summary>
-    public class CommunicationUnit<TKey> where TKey : IEquatable<TKey>
+    public class CommunicationUnit<TKey, TAddressKey, TSubAddressKey> where TKey : IEquatable<TKey> where TAddressKey : IEquatable<TAddressKey> where TSubAddressKey : IEquatable<TSubAddressKey>
     {
         /// <summary>
         ///     区域
@@ -674,12 +995,12 @@ namespace Modbus.Net
         /// <summary>
         ///     地址
         /// </summary>
-        public int Address { get; set; }
+        public TAddressKey Address { get; set; }
 
         /// <summary>
         ///     子地址
         /// </summary>
-        public int SubAddress { get; set; } = 0;
+        public TSubAddressKey SubAddress { get; set; }
 
         /// <summary>
         ///     获取个数
@@ -694,7 +1015,7 @@ namespace Modbus.Net
         /// <summary>
         ///     原始的地址
         /// </summary>
-        public IEnumerable<AddressUnit<TKey>> OriginalAddresses { get; set; }
+        public IEnumerable<AddressUnit<TKey, TAddressKey, TSubAddressKey>> OriginalAddresses { get; set; }
     }
 
     /// <summary>
@@ -710,20 +1031,13 @@ namespace Modbus.Net
         /// <summary>
         ///     数据定义
         /// </summary>
-        public AddressUnit AddressUnit { get; set; }
+        public AddressUnit<string, string, string> AddressUnit { get; set; }
     }
 
     /// <summary>
     ///     地址单元
     /// </summary>
-    public class AddressUnit : AddressUnit<string>
+    public class AddressUnit<TKey, TAddressKey, TSubAddressKey> : IEquatable<AddressUnit<TKey, TAddressKey, TSubAddressKey>> where TKey : IEquatable<TKey> where TAddressKey : IEquatable<TAddressKey> where TSubAddressKey : IEquatable<TSubAddressKey>
-    {
-    }
-
-    /// <summary>
-    ///     地址单元
-    /// </summary>
-    public class AddressUnit<TKey> : IEquatable<AddressUnit<TKey>> where TKey : IEquatable<TKey>
     {
         /// <summary>
         ///     数据单元Id
@@ -738,12 +1052,12 @@ namespace Modbus.Net
         /// <summary>
         ///     地址
         /// </summary>
-        public int Address { get; set; }
+        public TAddressKey Address { get; set; }
 
         /// <summary>
         ///     bit位地址
         /// </summary>
-        public int SubAddress { get; set; } = 0;
+        public TSubAddressKey SubAddress { get; set; }
 
         /// <summary>
         ///     数据类型
@@ -785,9 +1099,9 @@ namespace Modbus.Net
         /// </summary>
         /// <param name="other">另一个地址</param>
         /// <returns>是否一致</returns>
-        public bool Equals(AddressUnit<TKey> other)
+        public bool Equals(AddressUnit<TKey, TAddressKey, TSubAddressKey> other)
         {
-            return Area.ToUpper() == other.Area.ToUpper() && Address == other.Address || Id.Equals(other.Id);
+            return Area.ToUpper() == other.Area.ToUpper() && Address.Equals(other.Address) || Id.Equals(other.Id);
         }
     }
 }

Modbus.Net/Modbus.Net/Machine/BaseMachineExtend.cs

@@ -35,14 +35,14 @@ namespace Modbus.Net
         /// </summary>
         /// <param name="addressUnit"></param>
         /// <returns></returns>
-        public static AddressUnit MapAddressUnitTUnitKeyToAddressUnit<TUnitKey>(this AddressUnit<TUnitKey> addressUnit) where TUnitKey : IEquatable<TUnitKey>
+        public static AddressUnit<string, string, string> MapAddressUnitTUnitKeyToAddressUnit<TUnitKey, TAddressKey, TSubAddressKey>(this AddressUnit<TUnitKey, TAddressKey, TSubAddressKey> addressUnit) where TUnitKey : IEquatable<TUnitKey> where TAddressKey : IEquatable<TAddressKey> where TSubAddressKey : IEquatable<TSubAddressKey>
         {
-            return new AddressUnit()
+            return new AddressUnit<string, string, string>()
             {
                 Id = addressUnit.Id.ToString(),
                 Area = addressUnit.Area,
-                Address = addressUnit.Address,
+                Address = addressUnit.Address?.ToString(),
-                SubAddress = addressUnit.SubAddress,
+                SubAddress = addressUnit.SubAddress?.ToString(),
                 DataType = addressUnit.DataType,
                 Zoom = addressUnit.Zoom,
                 DecimalPos = addressUnit.DecimalPos,

Modbus.Net/Modbus.Net/Modbus.Net.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net462</TargetFrameworks>
+    <TargetFrameworks>net6.0</TargetFrameworks>
     <LangVersion>10.0</LangVersion>
     <AssemblyName>Modbus.Net</AssemblyName>
     <RootNamespace>Modbus.Net</RootNamespace>
@@ -37,7 +37,6 @@
 
   <ItemGroup>
     <PackageReference Include="DotNetty.Handlers" Version="0.7.5" />
-    <PackageReference Include="FastEnum" Version="1.8.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="7.0.4" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="7.0.0" />
     <PackageReference Include="Nito.AsyncEx" Version="5.1.2" />

Modbus.Net/Modbus.Net/Protocol/BaseProtocol.cs

@@ -146,18 +146,6 @@ namespace Modbus.Net
             return false;
         }
 
-        /// <summary>
-        ///     发送协议，通过传入需要使用的协议内容和输入结构
-        /// </summary>
-        /// <param name="unit">协议的实例</param>
-        /// <param name="content">输入信息的结构化描述</param>
-        /// <returns>输出信息的结构化描述</returns>
-        public virtual TPipeUnit SendReceive(
-            TProtocolUnit unit, IInputStruct content)
-        {
-            return AsyncHelper.RunSync(() => SendReceiveAsync(unit, content));
-        }
-
         /// <summary>
         ///     发送协议，通过传入需要使用的协议内容和输入结构
         /// </summary>
@@ -177,16 +165,6 @@ namespace Modbus.Net
             return null;
         }
 
-        /// <summary>
-        ///     发送协议内容并接收，一般方法
-        /// </summary>
-        /// <param name="content">写入的内容，使用对象数组描述</param>
-        /// <returns>从设备获取的字节流</returns>
-        public virtual TPipeUnit SendReceive(params object[] content)
-        {
-            return AsyncHelper.RunSync(() => SendReceiveAsync(content));
-        }
-
         /// <summary>
         ///     发送协议内容并接收，一般方法（不能使用，如需使用请继承）
         /// </summary>
@@ -197,18 +175,6 @@ namespace Modbus.Net
             throw new NotImplementedException();
         }
 
-        /// <summary>
-        ///     发送协议，通过传入需要使用的协议内容和输入结构
-        /// </summary>
-        /// <param name="unit">协议的实例</param>
-        /// <param name="content">输入信息的结构化描述</param>
-        /// <returns>输出信息的结构化描述</returns>
-        /// <typeparam name="T">IOutputStruct的具体类型</typeparam>
-        public virtual T SendReceive<T>(TProtocolUnit unit, IInputStruct content) where T : class, IOutputStruct
-        {
-            return AsyncHelper.RunSync(() => SendReceiveAsync<T>(unit, content));
-        }
-
         /// <summary>
         ///     发送协议，通过传入需要使用的协议内容和输入结构
         /// </summary>

Modbus.Net/Modbus.Net/Utility/BaseUtility.cs

@@ -45,17 +45,6 @@ namespace Modbus.Net
         /// </summary>
         public byte MasterAddress { get; set; }
 
-        /// <summary>
-        ///     获取数据
-        /// </summary>
-        /// <param name="startAddress">开始地址</param>
-        /// <param name="getByteCount">获取字节数个数</param>
-        /// <returns>接收到的byte数据</returns>
-        public virtual ReturnStruct<byte[]> GetDatas(string startAddress, int getByteCount)
-        {
-            return AsyncHelper.RunSync(() => GetDatasAsync(startAddress, getByteCount));
-        }
-
         /// <summary>
         ///     获取数据
         /// </summary>
@@ -64,18 +53,6 @@ namespace Modbus.Net
         /// <returns>接收到的byte数据</returns>
         public abstract Task<ReturnStruct<byte[]>> GetDatasAsync(string startAddress, int getByteCount);
 
-        /// <summary>
-        ///     获取数据
-        /// </summary>
-        /// <param name="startAddress">开始地址</param>
-        /// <param name="getTypeAndCount">获取类型和个数</param>
-        /// <returns>接收到的对应的类型和数据</returns>
-        public virtual ReturnStruct<object[]> GetDatas(string startAddress,
-            KeyValuePair<Type, int> getTypeAndCount)
-        {
-            return AsyncHelper.RunSync(() => GetDatasAsync(startAddress, getTypeAndCount));
-        }
-
         /// <summary>
         ///     获取数据
         /// </summary>
@@ -123,19 +100,6 @@ namespace Modbus.Net
             }
         }
 
-        /// <summary>
-        ///     获取数据
-        /// </summary>
-        /// <typeparam name="T">需要接收的类型</typeparam>
-        /// <param name="startAddress">开始地址</param>
-        /// <param name="getByteCount">获取字节数个数</param>
-        /// <returns>接收到的对应的类型和数据</returns>
-        public virtual ReturnStruct<T[]> GetDatas<T>(string startAddress,
-            int getByteCount)
-        {
-            return AsyncHelper.RunSync(() => GetDatasAsync<T>(startAddress, getByteCount));
-        }
-
         /// <summary>
         ///     获取数据
         /// </summary>
@@ -181,19 +145,6 @@ namespace Modbus.Net
             }
         }
 
-        /// <summary>
-        ///     获取数据
-        /// </summary>
-        /// <param name="startAddress">开始地址</param>
-        /// <param name="getTypeAndCountList">获取类型和个数的队列</param>
-        /// <returns>获取数据的对象数组，请强制转换成相应类型</returns>
-        public virtual ReturnStruct<object[]> GetDatas(string startAddress,
-            IEnumerable<KeyValuePair<Type, int>> getTypeAndCountList)
-        {
-            return
-                AsyncHelper.RunSync(() => GetDatasAsync(startAddress, getTypeAndCountList));
-        }
-
         /// <summary>
         ///     获取数据
         /// </summary>
@@ -244,17 +195,6 @@ namespace Modbus.Net
             }
         }
 
-        /// <summary>
-        ///     设置数据
-        /// </summary>
-        /// <param name="startAddress">开始地址</param>
-        /// <param name="setContents">设置数据</param>
-        /// <returns>是否设置成功</returns>
-        public virtual ReturnStruct<bool> SetDatas(string startAddress, object[] setContents)
-        {
-            return AsyncHelper.RunSync(() => SetDatasAsync(startAddress, setContents));
-        }
-
         /// <summary>
         ///     设置数据
         /// </summary>

README.md

@@ -31,3 +31,4 @@ Thanks
 * Quartz - Job Scheduler
 * Serilog - Logging
 * DotNetty - Network Transporting
+* h-opc & Technosoftware.DaAeHdaSolution & OPCFoundation.NetStandard - OPC Trasporting

Samples/AnyType/Controllers/HomeController.cs

@@ -5,6 +5,7 @@ using Modbus.Net.Modbus;
 using System.Diagnostics;
 using MachineJobSchedulerCreator = Modbus.Net.MachineJobSchedulerCreator<Modbus.Net.IMachineMethodDatas, string, double>;
 using ModbusMachine = Modbus.Net.Modbus.ModbusMachine<string, string>;
+using AddressUnit = Modbus.Net.AddressUnit<string, int, int>;
 
 namespace AnyType.Controllers
 {

Samples/MachineJob/MachineJob.csproj

@@ -23,6 +23,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\..\Modbus.Net\Modbus.Net.Modbus\Modbus.Net.Modbus.csproj" />
+    <ProjectReference Include="..\..\Modbus.Net\Modbus.Net.OPC\Modbus.Net.Opc.csproj" />
     <ProjectReference Include="..\..\Modbus.Net\Modbus.Net.Siemens\Modbus.Net.Siemens.csproj" />
     <ProjectReference Include="..\..\Modbus.Net\Modbus.Net\Modbus.Net.csproj" />
   </ItemGroup>

Samples/MachineJob/appsettings.json

@@ -9,7 +9,7 @@
     }
   },
   "ConnectionStrings": {
-    "DatabaseWriteConnectionString": "Server=10.10.18.245; User ID=root; Password=123456; Database=modbusnettest;"
+    "DatabaseWriteConnectionString": "Server=127.0.0.1; User ID=root; Password=123456; Database=modbusnettest;"
   },
 
   "Modbus.Net": {
@@ -18,7 +18,7 @@
         "a:id": "ModbusMachine1",
         "b:protocol": "Modbus",
         "c:type": "Tcp",
-        "d:connectionString": "10.10.18.251",
+        "d:connectionString": "127.0.0.1",
         "e:addressMap": "AddressMapModbus",
         "f:keepConnect": true,
         "g:slaveAddress": 1,
@@ -29,7 +29,7 @@
         "a:id": "SiemensMachine1",
         "b:protocol": "Siemens",
         "c:type": "Tcp",
-        "d:connectionString": "10.10.18.251",
+        "d:connectionString": "127.0.0.1",
         "e:model": "S7_1200",
         "f:addressMap": "AddressMapSiemens",
         "g:keepConnect": true,
@@ -53,7 +53,7 @@
         "a:id": "SiemensMachine2",
         "b:protocol": "Siemens",
         "c:type": "Ppi",
-        "d:connectionString": "COM11",
+        "d:connectionString": "COM2",
         "e:model": "S7_200",
         "f:addressMap": "AddressMapSiemens",
         "g:keepConnect": true,
@@ -61,6 +61,14 @@
         "i:masterAddress": 0,
         "j:src": 1,
         "k:dst": 0
+      },
+      {
+        "a:id": "OpcMachine1",
+        "b:protocol": "Opc",
+        "c:type": "Da",
+        "d:connectionString": "opcda://localhost/Matrikon.OPC.Simulation.1",
+        "e:addressMap": "AddressMapOpc",
+        "f:tagSpliter": "."
       }
     ],
     "addressMap": {
@@ -207,6 +215,25 @@
           "Id": "10",
           "Name": "Test10"
         }
+      ],
+      "AddressMapOpc":
+      [
+        {
+          "Area": "Random",
+          "Address": "Real4",
+          "DataType": "Single",
+          "Id": "1",
+          "Name": "Test1",
+          "DecimalPos": 2
+        },
+        {
+          "Area": "Random",
+          "Address": "Real8",
+          "DataType": "Double",
+          "Id": "2",
+          "Name": "Test2",
+          "DecimalPos": 4
+        }
       ]
     }
   }

Samples/TripleAdd/Controllers/HomeController.cs

@@ -3,6 +3,7 @@ using Modbus.Net;
 using Modbus.Net.Modbus;
 using System.Diagnostics;
 using TripleAdd.Models;
+using AddressUnit = Modbus.Net.AddressUnit<string, int, int>;
 
 namespace TripleAdd.Controllers
 {

Tests/Modbus.Net.Tests/BaseTest.cs

@@ -1,13 +1,14 @@
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using Modbus.Net.Modbus;
 using Modbus.Net.Siemens;
+using AddressUnit = Modbus.Net.AddressUnit<int, int, int>;
 
 namespace Modbus.Net.Tests
 {
     [TestClass]
     public class BaseTest
     {
-        private List<AddressUnit<int>>? _addressUnits;
+        private List<AddressUnit>? _addressUnits;
 
         private BaseMachine<int, int>? _baseMachine;
 
@@ -16,9 +17,9 @@ namespace Modbus.Net.Tests
         [TestInitialize]
         public void Init()
         {
-            _addressUnits = new List<AddressUnit<int>>
+            _addressUnits = new List<AddressUnit>
             {
-                new AddressUnit<int>
+                new AddressUnit
                 {
                     Id = 1,
                     Area = "3X",
@@ -26,7 +27,7 @@ namespace Modbus.Net.Tests
                     SubAddress = 0,
                     DataType = typeof(bool)
                 },
-                new AddressUnit<int>
+                new AddressUnit
                 {
                     Id = 2,
                     Area = "3X",
@@ -34,7 +35,7 @@ namespace Modbus.Net.Tests
                     SubAddress = 1,
                     DataType = typeof(bool)
                 },
-                new AddressUnit<int>
+                new AddressUnit
                 {
                     Id = 3,
                     Area = "3X",
@@ -42,7 +43,7 @@ namespace Modbus.Net.Tests
                     SubAddress = 2,
                     DataType = typeof(bool)
                 },
-                new AddressUnit<int>
+                new AddressUnit
                 {
                     Id = 4,
                     Area = "3X",
@@ -50,7 +51,7 @@ namespace Modbus.Net.Tests
                     SubAddress = 0,
                     DataType = typeof(byte)
                 },
-                new AddressUnit<int>
+                new AddressUnit
                 {
                     Id = 5,
                     Area = "3X",
@@ -58,7 +59,7 @@ namespace Modbus.Net.Tests
                     SubAddress = 8,
                     DataType = typeof(byte)
                 },
-                new AddressUnit<int>
+                new AddressUnit
                 {
                     Id = 6,
                     Area = "3X",
@@ -66,7 +67,7 @@ namespace Modbus.Net.Tests
                     SubAddress = 0,
                     DataType = typeof(ushort)
                 },
-                new AddressUnit<int>
+                new AddressUnit
                 {
                     Id = 7,
                     Area = "3X",
@@ -74,7 +75,7 @@ namespace Modbus.Net.Tests
                     SubAddress = 0,
                     DataType = typeof(ushort)
                 },
-                new AddressUnit<int>
+                new AddressUnit
                 {
                     Id = 8,
                     Area = "3X",
@@ -82,7 +83,7 @@ namespace Modbus.Net.Tests
                     SubAddress = 0,
                     DataType = typeof(ushort)
                 },
-                new AddressUnit<int>
+                new AddressUnit
                 {
                     Id = 9,
                     Area = "3X",
@@ -90,7 +91,7 @@ namespace Modbus.Net.Tests
                     SubAddress = 0,
                     DataType = typeof(ushort)
                 },
-                new AddressUnit<int>
+                new AddressUnit
                 {
                     Id = 10,
                     Area = "3X",
@@ -98,7 +99,7 @@ namespace Modbus.Net.Tests
                     SubAddress = 0,
                     DataType = typeof(ushort)
                 },
-                new AddressUnit<int>
+                new AddressUnit
                 {
                     Id = 11,
                     Area = "3X",
@@ -106,7 +107,7 @@ namespace Modbus.Net.Tests
                     SubAddress = 0,
                     DataType = typeof(ushort)
                 },
-                new AddressUnit<int>
+                new AddressUnit
                 {
                     Id = 12,
                     Area = "4X",
@@ -114,7 +115,7 @@ namespace Modbus.Net.Tests
                     SubAddress = 0,
                     DataType = typeof(uint)
                 },
-                new AddressUnit<int>
+                new AddressUnit
                 {
                     Id = 13,
                     Area = "4X",
@@ -195,7 +196,7 @@ namespace Modbus.Net.Tests
         [TestMethod]
         public void AddressCombinerSingleTest()
         {
-            var addressCombiner = new AddressCombinerSingle<int>();
+            var addressCombiner = new AddressCombinerSingle<int, int, int>();
             var combinedAddresses = addressCombiner.Combine(_addressUnits!).ToArray();
             Assert.AreEqual(combinedAddresses[0].Area, "3X");
             Assert.AreEqual(combinedAddresses[0].Address, 1);

Tests/Modbus.Net.Tests/EndianTest.cs

@@ -1,5 +1,6 @@
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using Modbus.Net.Modbus;
+using AddressUnit = Modbus.Net.AddressUnit<string, int, int>;
 
 namespace Modbus.Net.Tests
 {

Tests/Modbus.Net.Tests/MachineMethodTest.cs

@@ -1,6 +1,7 @@
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using Modbus.Net.Modbus;
 using System.Reflection;
+using AddressUnit = Modbus.Net.AddressUnit<int, int, int>;
 
 namespace Modbus.Net.Tests
 {
@@ -35,9 +36,9 @@ namespace Modbus.Net.Tests
         [TestMethod]
         public async Task InvokeMachine()
         {
-            BaseMachine<int, int> baseMachine = new ModbusMachine<int, int>(1, ModbusType.Tcp, _machineIp, new List<AddressUnit<int>>
+            BaseMachine<int, int> baseMachine = new ModbusMachine<int, int>(1, ModbusType.Tcp, _machineIp, new List<AddressUnit>
             {
-                new AddressUnit<int>
+                new AddressUnit
                 {
                     Id = 0,
                     Area = "0X",

Tests/Modbus.Net.Tests/Modbus.Net.Tests.csproj

@@ -30,6 +30,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\..\Modbus.Net\Modbus.Net.Modbus\Modbus.Net.Modbus.csproj" />
+    <ProjectReference Include="..\..\Modbus.Net\Modbus.Net.OPC\Modbus.Net.Opc.csproj" />
     <ProjectReference Include="..\..\Modbus.Net\Modbus.Net.Siemens\Modbus.Net.Siemens.csproj" />
     <ProjectReference Include="..\..\Modbus.Net\Modbus.Net\Modbus.Net.csproj" />
   </ItemGroup>

Tests/Modbus.Net.Tests/ModbusMultiStationTest.cs

@@ -1,5 +1,6 @@
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using Modbus.Net.Modbus;
+using AddressUnit = Modbus.Net.AddressUnit<string, int, int>;
 
 namespace Modbus.Net.Tests
 {

Tests/Modbus.Net.Tests/ModbusTest.cs

@@ -1,5 +1,6 @@
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using Modbus.Net.Modbus;
+using AddressUnit = Modbus.Net.AddressUnit<string, int, int>;
 
 namespace Modbus.Net.Tests
 {

Tests/Modbus.Net.Tests/SiemensTest.cs

@@ -1,5 +1,6 @@
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using Modbus.Net.Siemens;
+using AddressUnit = Modbus.Net.AddressUnit<string, int, int>;
 
 namespace Modbus.Net.Tests
 {

h-opc/h-opc/Common/ClientExtensions.cs

@@ -0,0 +1,32 @@
+namespace Hylasoft.Opc.Common
+{
+    /// <summary>
+    /// Useful extension methods for OPC Clients
+    /// </summary>
+    public static class ClientExtensions
+    {
+        /// <summary>
+        /// Reads a tag from the OPC. If for whatever reason the read fails (Tag doesn't exist, server not available) returns a default value
+        /// </summary>
+        /// <param name="client">the opc client to use for the read</param>
+        /// <param name="tag">The fully qualified identifier of the tag</param>
+        /// <param name="defaultValue">the default value to read if the read fails</param>
+        /// <returns></returns>
+        public static ReadEvent<T> ReadOrdefault<T>(this IClient<Node> client, string tag, T defaultValue = default(T))
+        {
+            try
+            {
+                return client.Read<T>(tag);
+            }
+            catch (OpcException)
+            {
+                var readEvent = new ReadEvent<T>();
+                readEvent.Quality = Quality.Good;
+                readEvent.Value = defaultValue;
+                readEvent.SourceTimestamp = DateTime.Now;
+                readEvent.ServerTimestamp = DateTime.Now;
+                return readEvent;
+            }
+        }
+    }
+}

h-opc/h-opc/Common/IClient.cs

@@ -0,0 +1,99 @@
+namespace Hylasoft.Opc.Common
+{
+    /// <summary>
+    /// Client interface to perform basic Opc tasks, like discovery, monitoring, reading/writing tags,
+    /// </summary>
+    public interface IClient<out TNode> : IDisposable
+    where TNode : Node
+    {
+        /// <summary>
+        /// Connect the client to the OPC Server
+        /// </summary>
+        void Connect();
+
+        /// <summary>
+        /// Gets the current status of the OPC Client
+        /// </summary>
+        OpcStatus Status { get; }
+
+        /// <summary>
+        /// Gets the datatype of an OPC tag
+        /// </summary>
+        /// <param name="tag">Tag to get datatype of</param>
+        /// <returns>System Type</returns>
+        System.Type GetDataType(string tag);
+
+        /// <summary>
+        /// Read a tag
+        /// </summary>
+        /// <typeparam name="T">The type of tag to read</typeparam>
+        /// <param name="tag">The fully-qualified identifier of the tag. You can specify a subfolder by using a comma delimited name.
+        /// E.g: the tag `foo.bar` reads the tag `bar` on the folder `foo`</param>
+        /// <returns>The value retrieved from the OPC</returns>
+        ReadEvent<T> Read<T>(string tag);
+
+        /// <summary>
+        /// Write a value on the specified opc tag
+        /// </summary>
+        /// <typeparam name="T">The type of tag to write on</typeparam>
+        /// <param name="tag">The fully-qualified identifier of the tag. You can specify a subfolder by using a comma delimited name.
+        /// E.g: the tag `foo.bar` writes on the tag `bar` on the folder `foo`</param>
+        /// <param name="item"></param>
+        void Write<T>(string tag, T item);
+
+        /// <summary>
+        /// Monitor the specified tag for changes
+        /// </summary>
+        /// <typeparam name="T">the type of tag to monitor</typeparam>
+        /// <param name="tag">The fully-qualified identifier of the tag. You can specify a subfolder by using a comma delimited name.
+        /// E.g: the tag `foo.bar` monitors the tag `bar` on the folder `foo`</param>
+        /// <param name="callback">the callback to execute when the value is changed.
+        /// The first parameter is the new value of the node, the second is an `unsubscribe` function to unsubscribe the callback</param>
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1006:DoNotNestGenericTypesInMemberSignatures", Justification = "This is an async method.")]
+        void Monitor<T>(string tag, Action<ReadEvent<T>, Action> callback);
+
+        /// <summary>
+        /// Finds a node on the Opc Server
+        /// </summary>
+        /// <param name="tag">The fully-qualified identifier of the tag. You can specify a subfolder by using a comma delimited name.
+        /// E.g: the tag `foo.bar` finds the tag `bar` on the folder `foo`</param>
+        /// <returns>If there is a tag, it returns it, otherwise it throws an </returns>
+        TNode FindNode(string tag);
+
+        /// <summary>
+        /// Gets the root node of the server
+        /// </summary>
+        TNode RootNode { get; }
+
+        /// <summary>
+        /// Explore a folder on the Opc Server
+        /// </summary>
+        /// <param name="tag">The fully-qualified identifier of the tag. You can specify a subfolder by using a comma delimited name.
+        /// E.g: the tag `foo.bar` finds the sub nodes of `bar` on the folder `foo`</param>
+        /// <returns>The list of sub-nodes</returns>
+        IEnumerable<TNode> ExploreFolder(string tag);
+
+        /// <summary>
+        /// Read a tag asynchronusly
+        /// </summary>
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1006:DoNotNestGenericTypesInMemberSignatures", Justification = "This is an async method.")]
+        Task<ReadEvent<T>> ReadAsync<T>(string tag);
+
+        /// <summary>
+        /// Write a value on the specified opc tag asynchronously
+        /// </summary>
+        Task WriteAsync<T>(string tag, T item);
+
+        /// <summary>
+        /// Finds a node on the Opc Server asynchronously
+        /// </summary>
+        Task<Node> FindNodeAsync(string tag);
+
+        /// <summary>
+        /// Explore a folder on the Opc Server asynchronously
+        /// </summary>
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1006:DoNotNestGenericTypesInMemberSignatures",
+          Justification = "Task")]
+        Task<IEnumerable<Node>> ExploreFolderAsync(string tag);
+    }
+}

h-opc/h-opc/Common/Node.cs

@@ -0,0 +1,46 @@
+namespace Hylasoft.Opc.Common
+{
+    /// <summary>
+    /// Base class representing a node on the OPC server
+    /// </summary>
+    public abstract class Node
+    {
+        /// <summary>
+        /// Gets the displayed name of the node
+        /// </summary>
+        public string Name { get; protected set; }
+
+        /// <summary>
+        /// Gets the dot-separated fully qualified tag of the node
+        /// </summary>
+        public string Tag { get; protected set; }
+
+        /// <summary>
+        /// Gets the parent node. If the node is root, returns null
+        /// </summary>
+        public Node Parent { get; private set; }
+
+        /// <summary>
+        /// Creates a new node
+        /// </summary>
+        /// <param name="name">the name of the node</param>
+        /// <param name="parent">The parent node</param>
+        protected Node(string name, Node parent = null)
+        {
+            Name = name;
+            Parent = parent;
+            if (parent != null && !string.IsNullOrEmpty(parent.Tag))
+                Tag = parent.Tag + '.' + name;
+            else
+                Tag = name;
+        }
+
+        /// <summary>
+        /// Overrides ToString()
+        /// </summary>
+        public override string ToString()
+        {
+            return Tag;
+        }
+    }
+}

h-opc/h-opc/Common/OpcException.cs

@@ -0,0 +1,69 @@
+using Opc.Ua;
+using System.Runtime.Serialization;
+
+namespace Hylasoft.Opc.Common
+{
+    /// <summary>
+    /// Identifies an exception occurred during OPC Communication
+    /// </summary>
+    [Serializable]
+    public class OpcException : Exception
+    {
+        /// <summary>
+        /// Initialize a new instance of the OpcException class
+        /// </summary>
+        public OpcException()
+        {
+        }
+
+        /// <summary>
+        /// Initialize a new instance of the OpcException class
+        /// </summary>
+        public OpcException(string message)
+          : base(message)
+        {
+        }
+
+        /// <summary>
+        /// Returns an (optional) associated OPC UA StatusCode for the exception.
+        /// </summary>
+        public StatusCode? Status { get; private set; }
+
+        /// <summary>
+        /// Initialize a new instance of the OpcException class
+        /// </summary>
+        public OpcException(string message, StatusCode status)
+          : base(message)
+        {
+            Status = status;
+        }
+
+        /// <summary>
+        /// Initialize a new instance of the OpcException class
+        /// </summary>
+        public OpcException(string message, Exception inner)
+          : base(message, inner)
+        {
+        }
+
+        /// <summary>
+        /// Initialize a new instance of the OpcException class
+        /// </summary>
+        protected OpcException(SerializationInfo info, StreamingContext context)
+          : base(info, context)
+        {
+        }
+
+        /// <summary>
+        /// Sets the System.Runtime.Serialization.SerializationInfo with information about the exception.
+        /// </summary>
+        /// <param name="info">The System.Runtime.Serialization.SerializationInfo that holds the serialized object data about the exception being thrown.</param>
+        /// <param name="context">The System.Runtime.Serialization.StreamingContext that contains contextual information about the source or destination.</param>
+        public override void GetObjectData(SerializationInfo info, StreamingContext context)
+        {
+            base.GetObjectData(info, context);
+        }
+
+    }
+
+}

h-opc/h-opc/Common/OpcStatus.cs

@@ -0,0 +1,18 @@
+namespace Hylasoft.Opc.Common
+{
+    /// <summary>
+    /// Identifies the status of an OPC connector
+    /// </summary>
+    public enum OpcStatus
+    {
+        /// <summary>
+        /// The client is not connected
+        /// </summary>
+        NotConnected,
+
+        /// <summary>
+        /// The client is connected
+        /// </summary>
+        Connected
+    }
+}

h-opc/h-opc/Common/Quality.cs

@@ -0,0 +1,28 @@
+using System.ComponentModel;
+
+namespace Hylasoft.Opc.Common
+{
+    /// <summary>
+    /// Represents the quality of the value captured
+    /// </summary>
+    public enum Quality
+    {
+        /// <summary>
+        /// Quality: Unknown, the value of the quality could not be inferred by the library
+        /// </summary>
+        [Description("Unknown")]
+        Unknown,
+
+        /// <summary>
+        /// Quality: Good
+        /// </summary>
+        [Description("Good")]
+        Good,
+
+        /// <summary>
+        /// Quality: Bad
+        /// </summary>
+        [Description("Bad")]
+        Bad
+    }
+}

h-opc/h-opc/Common/ReadEvent.cs

@@ -0,0 +1,32 @@
+using System.ComponentModel;
+
+namespace Hylasoft.Opc.Common
+{
+    /// <summary>
+    /// Base class representing a monitor event on the OPC server
+    /// </summary>
+    /// <typeparam name="T"></typeparam>
+    public class ReadEvent<T>
+    {
+        /// <summary>
+        /// Gets the value that was read from the server
+        /// </summary>
+        public T Value { get; set; }
+
+        /// <summary>
+        /// Gets the quality of the signal from the server
+        /// </summary>
+        [DefaultValue(Common.Quality.Unknown)]
+        public Quality Quality { get; set; }
+
+        /// <summary>
+        /// Gets the source timestamp on when the event ocurred
+        /// </summary>
+        public DateTime SourceTimestamp { get; set; }
+
+        /// <summary>
+        /// Gets the server timestamp on when the event ocurred
+        /// </summary>
+        public DateTime ServerTimestamp { get; set; }
+    }
+}

h-opc/h-opc/Da/DaClient.cs

@@ -0,0 +1,298 @@
+using Hylasoft.Opc.Common;
+using System.Globalization;
+using Technosoftware.DaAeHdaClient;
+using Factory = Technosoftware.DaAeHdaClient.Com.Factory;
+using OpcDa = Technosoftware.DaAeHdaClient.Da;
+
+namespace Hylasoft.Opc.Da
+{
+    /// <summary>
+    /// Client Implementation for DA
+    /// </summary>
+    public partial class DaClient : IClient<DaNode>
+    {
+        private readonly OpcUrl _url;
+        private OpcDa.TsCDaServer _server;
+        private long _sub;
+        private readonly IDictionary<string, DaNode> _nodesCache = new Dictionary<string, DaNode>();
+
+        // default monitor interval in Milliseconds
+        private const int DefaultMonitorInterval = 100;
+
+        /// <summary>
+        /// Initialize a new Data Access Client
+        /// </summary>
+        /// <param name="serverUrl">The url of the server to connect to. WARNING: If server URL includes
+        /// spaces (ex. "RSLinx OPC Server") then pass the server URL in to the constructor as an Opc.URL object
+        /// directly instead.</param>
+        public DaClient(Uri serverUrl)
+        {
+            _url = new OpcUrl(serverUrl.OriginalString)
+            {
+                Scheme = serverUrl.Scheme,
+                HostName = serverUrl.Host
+            };
+        }
+
+        /// <summary>
+        /// Initialize a new Data Access Client
+        /// </summary>
+        /// <param name="serverUrl">The url of the server to connect to</param>
+        public DaClient(OpcUrl serverUrl)
+        {
+            _url = serverUrl;
+        }
+
+        /// <summary>
+        /// Gets the datatype of an OPC tag
+        /// </summary>
+        /// <param name="tag">Tag to get datatype of</param>
+        /// <returns>System Type</returns>
+        public System.Type GetDataType(string tag)
+        {
+            var item = new OpcDa.TsCDaItem { ItemName = tag };
+            OpcDa.TsCDaItemProperty result;
+            try
+            {
+                var propertyCollection = _server.GetProperties(new[] { item }, new[] { new OpcDa.TsDaPropertyID(1) }, false)[0];
+                result = propertyCollection[0];
+            }
+            catch (NullReferenceException)
+            {
+                throw new OpcException("Could not find node because server not connected.");
+            }
+            return result.DataType;
+        }
+
+        /// <summary>
+        /// OpcDa underlying server object.
+        /// </summary>
+        protected OpcDa.TsCDaServer Server
+        {
+            get
+            {
+                return _server;
+            }
+        }
+
+        #region interface methods
+
+        /// <summary>
+        /// Connect the client to the OPC Server
+        /// </summary>
+        public void Connect()
+        {
+            if (Status == OpcStatus.Connected)
+                return;
+            _server = new OpcDa.TsCDaServer(new Factory(), _url);
+            _server.Connect();
+            var root = new DaNode(string.Empty, string.Empty);
+            RootNode = root;
+            AddNodeToCache(root);
+        }
+
+        /// <summary>
+        /// Gets the current status of the OPC Client
+        /// </summary>
+        public OpcStatus Status
+        {
+            get
+            {
+                if (_server == null || _server.GetServerStatus().ServerState != OpcServerState.Operational)
+                    return OpcStatus.NotConnected;
+                return OpcStatus.Connected;
+            }
+        }
+
+        /// <summary>
+        /// Read a tag
+        /// </summary>
+        /// <typeparam name="T">The type of tag to read</typeparam>
+        /// <param name="tag">The fully-qualified identifier of the tag. You can specify a subfolder by using a comma delimited name.
+        /// E.g: the tag `foo.bar` reads the tag `bar` on the folder `foo`</param>
+        /// <returns>The value retrieved from the OPC</returns>
+        public ReadEvent<T> Read<T>(string tag)
+        {
+            var item = new OpcDa.TsCDaItem { ItemName = tag };
+            if (Status == OpcStatus.NotConnected)
+            {
+                throw new OpcException("Server not connected. Cannot read tag.");
+            }
+            var result = _server.Read(new[] { item })[0];
+            T casted;
+            TryCastResult(result.Value, out casted);
+
+            var readEvent = new ReadEvent<T>();
+            readEvent.Value = casted;
+            readEvent.SourceTimestamp = result.Timestamp;
+            readEvent.ServerTimestamp = result.Timestamp;
+            if (result.Quality == OpcDa.TsCDaQuality.Good) readEvent.Quality = Quality.Good;
+            if (result.Quality == OpcDa.TsCDaQuality.Bad) readEvent.Quality = Quality.Bad;
+
+            return readEvent;
+        }
+
+        /// <summary>
+        /// Write a value on the specified opc tag
+        /// </summary>
+        /// <typeparam name="T">The type of tag to write on</typeparam>
+        /// <param name="tag">The fully-qualified identifier of the tag. You can specify a subfolder by using a comma delimited name.
+        /// E.g: the tag `foo.bar` writes on the tag `bar` on the folder `foo`</param>
+        /// <param name="item"></param>
+        public void Write<T>(string tag, T item)
+        {
+            var itmVal = new OpcDa.TsCDaItemValue
+            {
+                ItemName = tag,
+                Value = item
+            };
+            var result = _server.Write(new[] { itmVal })[0];
+            CheckResult(result, tag);
+        }
+
+        /// <summary>
+        /// Casts result of monitoring and reading values
+        /// </summary>
+        /// <param name="value">Value to convert</param>
+        /// <param name="casted">The casted result</param>
+        /// <typeparam name="T">Type of object to try to cast</typeparam>
+        public void TryCastResult<T>(object value, out T casted)
+        {
+            try
+            {
+                casted = (T)value;
+            }
+            catch (InvalidCastException)
+            {
+                throw new InvalidCastException(
+                  string.Format(
+                    "Could not monitor tag. Cast failed for type \"{0}\" on the new value \"{1}\" with type \"{2}\". Make sure tag data type matches.",
+                    typeof(T), value, value.GetType()));
+            }
+        }
+
+        /// <summary>
+        /// Monitor the specified tag for changes
+        /// </summary>
+        /// <typeparam name="T">the type of tag to monitor</typeparam>
+        /// <param name="tag">The fully-qualified identifier of the tag. You can specify a subfolder by using a comma delimited name.
+        /// E.g: the tag `foo.bar` monitors the tag `bar` on the folder `foo`</param>
+        /// <param name="callback">the callback to execute when the value is changed.
+        /// The first parameter is a MonitorEvent object which represents the data point, the second is an `unsubscribe` function to unsubscribe the callback</param>
+        public void Monitor<T>(string tag, Action<ReadEvent<T>, Action> callback)
+        {
+            var subItem = new OpcDa.TsCDaSubscriptionState
+            {
+                Name = (++_sub).ToString(CultureInfo.InvariantCulture),
+                Active = true,
+                UpdateRate = DefaultMonitorInterval
+            };
+            var sub = _server.CreateSubscription(subItem);
+
+            // I have to start a new thread here because unsubscribing
+            // the subscription during a datachanged event causes a deadlock
+            Action unsubscribe = () => new Thread(o =>
+              _server.CancelSubscription(sub)).Start();
+
+            sub.DataChangedEvent += (handle, requestHandle, values) =>
+            {
+                T casted;
+                TryCastResult(values[0].Value, out casted);
+                var monitorEvent = new ReadEvent<T>();
+                monitorEvent.Value = casted;
+                monitorEvent.SourceTimestamp = values[0].Timestamp;
+                monitorEvent.ServerTimestamp = values[0].Timestamp;
+                if (values[0].Quality == OpcDa.TsCDaQuality.Good) monitorEvent.Quality = Quality.Good;
+                if (values[0].Quality == OpcDa.TsCDaQuality.Bad) monitorEvent.Quality = Quality.Bad;
+                callback(monitorEvent, unsubscribe);
+            };
+            sub.AddItems(new[] { new OpcDa.TsCDaItem { ItemName = tag } });
+            sub.SetEnabled(true);
+        }
+
+        /// <summary>
+        /// Finds a node on the Opc Server
+        /// </summary>
+        /// <param name="tag">The fully-qualified identifier of the tag. You can specify a subfolder by using a comma delimited name.
+        /// E.g: the tag `foo.bar` finds the tag `bar` on the folder `foo`</param>
+        /// <returns>If there is a tag, it returns it, otherwise it throws an </returns>
+        public DaNode FindNode(string tag)
+        {
+            // if the tag already exists in cache, return it
+            if (_nodesCache.ContainsKey(tag))
+                return _nodesCache[tag];
+
+            // try to find the tag otherwise
+            var item = new OpcDa.TsCDaItem { ItemName = tag };
+            OpcDa.TsCDaItemValueResult result;
+            try
+            {
+                result = _server.Read(new[] { item })[0];
+            }
+            catch (NullReferenceException)
+            {
+                throw new OpcException("Could not find node because server not connected.");
+            }
+            CheckResult(result, tag);
+            var node = new DaNode(item.ItemName, item.ItemName, RootNode);
+            AddNodeToCache(node);
+            return node;
+        }
+
+        /// <summary>
+        /// Gets the root node of the server
+        /// </summary>
+        public DaNode RootNode { get; private set; }
+
+        /// <summary>
+        /// Explore a folder on the Opc Server
+        /// </summary>
+        /// <param name="tag">The fully-qualified identifier of the tag. You can specify a subfolder by using a comma delimited name.
+        /// E.g: the tag `foo.bar` finds the sub nodes of `bar` on the folder `foo`</param>
+        /// <returns>The list of sub-nodes</returns>
+        public IEnumerable<DaNode> ExploreFolder(string tag)
+        {
+            var parent = FindNode(tag);
+            OpcDa.TsCDaBrowsePosition p;
+            var nodes = _server.Browse(new OpcItem(parent.Tag), new OpcDa.TsCDaBrowseFilters(), out p)
+              .Select(t => new DaNode(t.Name, t.ItemName, parent))
+              .ToList();
+            //add nodes to cache
+            foreach (var node in nodes)
+                AddNodeToCache(node);
+
+            return nodes;
+        }
+
+        /// <summary>
+        /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
+        /// </summary>
+        public void Dispose()
+        {
+            if (_server != null)
+                _server.Dispose();
+            GC.SuppressFinalize(this);
+        }
+
+        #endregion
+
+        /// <summary>
+        /// Adds a node to the cache using the tag as its key
+        /// </summary>
+        /// <param name="node">the node to add</param>
+        private void AddNodeToCache(DaNode node)
+        {
+            if (!_nodesCache.ContainsKey(node.Tag))
+                _nodesCache.Add(node.Tag, node);
+        }
+
+        private static void CheckResult(IOpcResult result, string tag)
+        {
+            if (result == null)
+                throw new OpcException("The server replied with an empty response");
+            if (result.Result.ToString() != "S_OK" && result.Result.ToString() != "E_READONLY")
+                throw new OpcException(string.Format("Invalid response from the server. (Response Status: {0}, Opc Tag: {1})", result.Result, tag));
+        }
+    }
+}
+

h-opc/h-opc/Da/DaClient_async.cs

@@ -0,0 +1,42 @@
+using Hylasoft.Opc.Common;
+
+namespace Hylasoft.Opc.Da
+{
+    /// <summary>
+    /// Client Implementation for DA
+    /// </summary>
+    public partial class DaClient
+    {
+        /// <summary>
+        /// Read a tag asynchronusly
+        /// </summary>
+        public async Task<ReadEvent<T>> ReadAsync<T>(string tag)
+        {
+            return await Task.Run(() => Read<T>(tag));
+        }
+
+        /// <summary>
+        /// Write a value on the specified opc tag asynchronously
+        /// </summary>
+        public async Task WriteAsync<T>(string tag, T item)
+        {
+            await Task.Run(() => Write(tag, item));
+        }
+
+        /// <summary>
+        /// Finds a node on the Opc Server asynchronously
+        /// </summary>
+        public async Task<Node> FindNodeAsync(string tag)
+        {
+            return await Task.Run(() => FindNode(tag));
+        }
+
+        /// <summary>
+        /// Explore a folder on the Opc Server asynchronously
+        /// </summary>
+        public async Task<IEnumerable<Node>> ExploreFolderAsync(string tag)
+        {
+            return await Task.Run(() => ExploreFolder(tag));
+        }
+    }
+}

h-opc/h-opc/Da/DaNode.cs

@@ -0,0 +1,22 @@
+using Hylasoft.Opc.Common;
+
+namespace Hylasoft.Opc.Da
+{
+    /// <summary>
+    /// Represents a node to be used specifically for OPC DA
+    /// </summary>
+    public class DaNode : Node
+    {
+        /// <summary>
+        /// Instantiates a DaNode class
+        /// </summary>
+        /// <param name="name">the name of the node</param>
+        /// <param name="tag"></param>
+        /// <param name="parent">The parent node</param>
+        public DaNode(string name, string tag, Node parent = null)
+          : base(name, parent)
+        {
+            Tag = tag;
+        }
+    }
+}

h-opc/h-opc/Ua/ClientUtils.cs

@@ -0,0 +1,98 @@
+using Opc.Ua;
+using Opc.Ua.Client;
+
+namespace Hylasoft.Opc.Ua
+{
+    /// <summary>
+    /// List of static utility methods
+    /// </summary>
+    internal static class ClientUtils
+    {
+        // TODO I didn't write these methods. I should rewrite it once I understand whtat it does, beacuse it looks crazy
+
+        public static EndpointDescription SelectEndpoint(Uri discoveryUrl, bool useSecurity)
+        {
+            var configuration = EndpointConfiguration.Create();
+            configuration.OperationTimeout = 5000;
+            EndpointDescription endpointDescription1 = null;
+            using (var discoveryClient = DiscoveryClient.Create(discoveryUrl, configuration))
+            {
+                var endpoints = discoveryClient.GetEndpoints(null);
+                foreach (var endpointDescription2 in endpoints.Where(endpointDescription2 => endpointDescription2.EndpointUrl.StartsWith(discoveryUrl.Scheme)))
+                {
+                    if (useSecurity)
+                    {
+                        if (endpointDescription2.SecurityMode == MessageSecurityMode.None)
+                            continue;
+                    }
+                    else if (endpointDescription2.SecurityMode != MessageSecurityMode.None)
+                        continue;
+                    if (endpointDescription1 == null)
+                        endpointDescription1 = endpointDescription2;
+                    if (endpointDescription2.SecurityLevel > endpointDescription1.SecurityLevel)
+                        endpointDescription1 = endpointDescription2;
+                }
+                if (endpointDescription1 == null)
+                {
+                    if (endpoints.Count > 0)
+                        endpointDescription1 = endpoints[0];
+                }
+            }
+            var uri = Utils.ParseUri(endpointDescription1.EndpointUrl);
+            if (uri != null && uri.Scheme == discoveryUrl.Scheme)
+                endpointDescription1.EndpointUrl = new UriBuilder(uri)
+                {
+                    Host = discoveryUrl.DnsSafeHost,
+                    Port = discoveryUrl.Port
+                }.ToString();
+            return endpointDescription1;
+        }
+
+        public static ReferenceDescriptionCollection Browse(Session session, NodeId nodeId)
+        {
+            var desc = new BrowseDescription
+            {
+                NodeId = nodeId,
+                BrowseDirection = BrowseDirection.Forward,
+                IncludeSubtypes = true,
+                NodeClassMask = 0U,
+                ResultMask = 63U,
+            };
+            return Browse(session, desc, true);
+        }
+
+        public static ReferenceDescriptionCollection Browse(Session session, BrowseDescription nodeToBrowse, bool throwOnError)
+        {
+            try
+            {
+                var descriptionCollection = new ReferenceDescriptionCollection();
+                var nodesToBrowse = new BrowseDescriptionCollection { nodeToBrowse };
+                BrowseResultCollection results;
+                DiagnosticInfoCollection diagnosticInfos;
+                session.Browse(null, null, 0U, nodesToBrowse, out results, out diagnosticInfos);
+                ClientBase.ValidateResponse(results, nodesToBrowse);
+                ClientBase.ValidateDiagnosticInfos(diagnosticInfos, nodesToBrowse);
+                while (!StatusCode.IsBad(results[0].StatusCode))
+                {
+                    for (var index = 0; index < results[0].References.Count; ++index)
+                        descriptionCollection.Add(results[0].References[index]);
+                    if (results[0].References.Count == 0 || results[0].ContinuationPoint == null)
+                        return descriptionCollection;
+                    var continuationPoints = new ByteStringCollection();
+                    continuationPoints.Add(results[0].ContinuationPoint);
+                    session.BrowseNext(null, false, continuationPoints, out results, out diagnosticInfos);
+                    ClientBase.ValidateResponse(results, continuationPoints);
+                    ClientBase.ValidateDiagnosticInfos(diagnosticInfos, continuationPoints);
+                }
+                throw new ServiceResultException(results[0].StatusCode);
+            }
+            catch (Exception ex)
+            {
+                if (throwOnError)
+                    throw new ServiceResultException(ex, 2147549184U);
+                return null;
+            }
+        }
+    }
+}
+

h-opc/h-opc/Ua/NodeExtensions.cs

@@ -0,0 +1,24 @@
+using Hylasoft.Opc.Common;
+using OpcF = Opc.Ua;
+
+namespace Hylasoft.Opc.Ua
+{
+    /// <summary>
+    /// Class with extension methods for OPC UA
+    /// </summary>
+    public static class NodeExtensions
+    {
+        /// <summary>
+        /// Converts an OPC Foundation node to an Hylasoft OPC UA Node
+        /// </summary>
+        /// <param name="node">The node to convert</param>
+        /// <param name="parent">the parent node (optional)</param>
+        /// <returns></returns>
+        internal static UaNode ToHylaNode(this OpcF.ReferenceDescription node, Node parent = null)
+        {
+            var name = node.DisplayName.ToString();
+            var nodeId = node.NodeId.ToString();
+            return new UaNode(name, nodeId, parent);
+        }
+    }
+}

h-opc/h-opc/Ua/UaClient.cs

@@ -0,0 +1,642 @@
+using Hylasoft.Opc.Common;
+using Opc.Ua;
+using Opc.Ua.Client;
+using Opc.Ua.Configuration;
+
+namespace Hylasoft.Opc.Ua
+{
+    /// <summary>
+    /// Client Implementation for UA
+    /// </summary>
+    [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Maintainability", "CA1506:AvoidExcessiveClassCoupling",
+    Justification = "Doesn't make sense to split this class")]
+    public class UaClient : IClient<UaNode>
+    {
+        private readonly UaClientOptions _options = new UaClientOptions();
+        private readonly Uri _serverUrl;
+        private Session _session;
+
+        private readonly IDictionary<string, UaNode> _nodesCache = new Dictionary<string, UaNode>();
+        private readonly IDictionary<string, IList<UaNode>> _folderCache = new Dictionary<string, IList<UaNode>>();
+
+        /// <summary>
+        /// Creates a server object
+        /// </summary>
+        /// <param name="serverUrl">the url of the server to connect to</param>
+        public UaClient(Uri serverUrl)
+        {
+            _serverUrl = serverUrl;
+            Status = OpcStatus.NotConnected;
+        }
+
+        /// <summary>
+        /// Creates a server object
+        /// </summary>
+        /// <param name="serverUrl">the url of the server to connect to</param>
+        /// <param name="options">custom options to use with ua client</param>
+        public UaClient(Uri serverUrl, UaClientOptions options)
+        {
+            _serverUrl = serverUrl;
+            _options = options;
+            Status = OpcStatus.NotConnected;
+        }
+
+        /// <summary>
+        /// Options to configure the UA client session
+        /// </summary>
+        public UaClientOptions Options
+        {
+            get { return _options; }
+        }
+
+        /// <summary>
+        /// OPC Foundation underlying session object
+        /// </summary>
+        protected Session Session
+        {
+            get
+            {
+                return _session;
+            }
+        }
+
+        private void PostInitializeSession()
+        {
+            var node = _session.NodeCache.Find(ObjectIds.ObjectsFolder);
+            RootNode = new UaNode(string.Empty, node.NodeId.ToString());
+            AddNodeToCache(RootNode);
+            Status = OpcStatus.Connected;
+        }
+
+        /// <summary>
+        /// Connect the client to the OPC Server
+        /// </summary>
+        public void Connect()
+        {
+            if (Status == OpcStatus.Connected)
+                return;
+            _session = InitializeSession(_serverUrl).Result;
+            _session.KeepAlive += SessionKeepAlive;
+            _session.SessionClosing += SessionClosing;
+            PostInitializeSession();
+        }
+
+        /// <summary>
+        /// Gets the datatype of an OPC tag
+        /// </summary>
+        /// <param name="tag">Tag to get datatype of</param>
+        /// <returns>System Type</returns>
+        public System.Type GetDataType(string tag)
+        {
+            var nodesToRead = BuildReadValueIdCollection(tag, Attributes.Value);
+            DataValueCollection results;
+            DiagnosticInfoCollection diag;
+            _session.Read(
+                requestHeader: null,
+                maxAge: 0,
+                timestampsToReturn: TimestampsToReturn.Neither,
+                nodesToRead: nodesToRead,
+                results: out results,
+                diagnosticInfos: out diag);
+            var type = results[0].WrappedValue.TypeInfo.BuiltInType;
+            return System.Type.GetType("System." + type.ToString());
+        }
+
+        private void SessionKeepAlive(ISession session, KeepAliveEventArgs e)
+        {
+            if (e.CurrentState != ServerState.Running)
+            {
+                if (Status == OpcStatus.Connected)
+                {
+                    Status = OpcStatus.NotConnected;
+                    NotifyServerConnectionLost();
+                }
+            }
+            else if (e.CurrentState == ServerState.Running)
+            {
+                if (Status == OpcStatus.NotConnected)
+                {
+                    Status = OpcStatus.Connected;
+                    NotifyServerConnectionRestored();
+                }
+            }
+        }
+
+        private void SessionClosing(object sender, EventArgs e)
+        {
+            Status = OpcStatus.NotConnected;
+            NotifyServerConnectionLost();
+        }
+
+
+        /// <summary>
+        /// Reconnect the OPC session
+        /// </summary>
+        public void ReConnect()
+        {
+            Status = OpcStatus.NotConnected;
+            _session.Reconnect();
+            Status = OpcStatus.Connected;
+        }
+
+        /// <summary>
+        /// Create a new OPC session, based on the current session parameters.
+        /// </summary>
+        public void RecreateSession()
+        {
+            Status = OpcStatus.NotConnected;
+            _session = Session.Recreate(_session);
+            PostInitializeSession();
+        }
+
+
+        /// <summary>
+        /// Gets the current status of the OPC Client
+        /// </summary>
+        public OpcStatus Status { get; private set; }
+
+
+        private ReadValueIdCollection BuildReadValueIdCollection(string tag, uint attributeId)
+        {
+            var n = FindNode(tag, RootNode);
+            var readValue = new ReadValueId
+            {
+                NodeId = n.NodeId,
+                AttributeId = attributeId
+            };
+            return new ReadValueIdCollection { readValue };
+        }
+
+        /// <summary>
+        /// Read a tag
+        /// </summary>
+        /// <typeparam name="T">The type of tag to read</typeparam>
+        /// <param name="tag">The fully-qualified identifier of the tag. You can specify a subfolder by using a comma delimited name.
+        /// E.g: the tag `foo.bar` reads the tag `bar` on the folder `foo`</param>
+        /// <returns>The value retrieved from the OPC</returns>
+        public ReadEvent<T> Read<T>(string tag)
+        {
+            var nodesToRead = BuildReadValueIdCollection(tag, Attributes.Value);
+            DataValueCollection results;
+            DiagnosticInfoCollection diag;
+            _session.Read(
+                requestHeader: null,
+                maxAge: 0,
+                timestampsToReturn: TimestampsToReturn.Neither,
+                nodesToRead: nodesToRead,
+                results: out results,
+                diagnosticInfos: out diag);
+            var val = results[0];
+
+            var readEvent = new ReadEvent<T>();
+            readEvent.Value = (T)val.Value;
+            readEvent.SourceTimestamp = val.SourceTimestamp;
+            readEvent.ServerTimestamp = val.ServerTimestamp;
+            if (StatusCode.IsGood(val.StatusCode)) readEvent.Quality = Quality.Good;
+            if (StatusCode.IsBad(val.StatusCode)) readEvent.Quality = Quality.Bad;
+            return readEvent;
+        }
+
+
+        /// <summary>
+        /// Read a tag asynchronously
+        /// </summary>
+        /// <typeparam name="T">The type of tag to read</typeparam>
+        /// <param name="tag">The fully-qualified identifier of the tag. You can specify a subfolder by using a comma delimited name.
+        /// E.g: the tag `foo.bar` reads the tag `bar` on the folder `foo`</param>
+        /// <returns>The value retrieved from the OPC</returns>
+        public Task<ReadEvent<T>> ReadAsync<T>(string tag)
+        {
+            var nodesToRead = BuildReadValueIdCollection(tag, Attributes.Value);
+
+            // Wrap the ReadAsync logic in a TaskCompletionSource, so we can use C# async/await syntax to call it:
+            var taskCompletionSource = new TaskCompletionSource<ReadEvent<T>>();
+            _session.BeginRead(
+                requestHeader: null,
+                maxAge: 0,
+                timestampsToReturn: TimestampsToReturn.Neither,
+                nodesToRead: nodesToRead,
+                callback: ar =>
+                {
+                    DataValueCollection results;
+                    DiagnosticInfoCollection diag;
+                    var response = _session.EndRead(
+                  result: ar,
+                  results: out results,
+                  diagnosticInfos: out diag);
+
+                    try
+                    {
+                        CheckReturnValue(response.ServiceResult);
+                        var val = results[0];
+                        var readEvent = new ReadEvent<T>();
+                        readEvent.Value = (T)val.Value;
+                        readEvent.SourceTimestamp = val.SourceTimestamp;
+                        readEvent.ServerTimestamp = val.ServerTimestamp;
+                        if (StatusCode.IsGood(val.StatusCode)) readEvent.Quality = Quality.Good;
+                        if (StatusCode.IsBad(val.StatusCode)) readEvent.Quality = Quality.Bad;
+                        taskCompletionSource.TrySetResult(readEvent);
+                    }
+                    catch (Exception ex)
+                    {
+                        taskCompletionSource.TrySetException(ex);
+                    }
+                },
+                asyncState: null);
+
+            return taskCompletionSource.Task;
+        }
+
+
+        private WriteValueCollection BuildWriteValueCollection(string tag, uint attributeId, object dataValue)
+        {
+            var n = FindNode(tag, RootNode);
+            var writeValue = new WriteValue
+            {
+                NodeId = n.NodeId,
+                AttributeId = attributeId,
+                Value = { Value = dataValue }
+            };
+            return new WriteValueCollection { writeValue };
+        }
+
+        /// <summary>
+        /// Write a value on the specified opc tag
+        /// </summary>
+        /// <typeparam name="T">The type of tag to write on</typeparam>
+        /// <param name="tag">The fully-qualified identifier of the tag. You can specify a subfolder by using a comma delimited name.
+        /// E.g: the tag `foo.bar` writes on the tag `bar` on the folder `foo`</param>
+        /// <param name="item">The value for the item to write</param>
+        public void Write<T>(string tag, T item)
+        {
+            var nodesToWrite = BuildWriteValueCollection(tag, Attributes.Value, item);
+
+            StatusCodeCollection results;
+            DiagnosticInfoCollection diag;
+            _session.Write(
+                requestHeader: null,
+                nodesToWrite: nodesToWrite,
+                results: out results,
+                diagnosticInfos: out diag);
+
+            CheckReturnValue(results[0]);
+        }
+
+        /// <summary>
+        /// Write a value on the specified opc tag asynchronously
+        /// </summary>
+        /// <typeparam name="T">The type of tag to write on</typeparam>
+        /// <param name="tag">The fully-qualified identifier of the tag. You can specify a subfolder by using a comma delimited name.
+        /// E.g: the tag `foo.bar` writes on the tag `bar` on the folder `foo`</param>
+        /// <param name="item">The value for the item to write</param>
+        public Task WriteAsync<T>(string tag, T item)
+        {
+            var nodesToWrite = BuildWriteValueCollection(tag, Attributes.Value, item);
+
+            // Wrap the WriteAsync logic in a TaskCompletionSource, so we can use C# async/await syntax to call it:
+            var taskCompletionSource = new TaskCompletionSource<StatusCode>();
+            _session.BeginWrite(
+                requestHeader: null,
+                nodesToWrite: nodesToWrite,
+                callback: ar =>
+                {
+                    StatusCodeCollection results;
+                    DiagnosticInfoCollection diag;
+                    var response = _session.EndWrite(
+                  result: ar,
+                  results: out results,
+                  diagnosticInfos: out diag);
+                    try
+                    {
+                        CheckReturnValue(response.ServiceResult);
+                        CheckReturnValue(results[0]);
+                        taskCompletionSource.SetResult(response.ServiceResult);
+                    }
+                    catch (Exception ex)
+                    {
+                        taskCompletionSource.TrySetException(ex);
+                    }
+                },
+                asyncState: null);
+            return taskCompletionSource.Task;
+        }
+
+
+        /// <summary>
+        /// Monitor the specified tag for changes
+        /// </summary>
+        /// <typeparam name="T">the type of tag to monitor</typeparam>
+        /// <param name="tag">The fully-qualified identifier of the tag. You can specify a subfolder by using a comma delimited name.
+        /// E.g: the tag `foo.bar` monitors the tag `bar` on the folder `foo`</param>
+        /// <param name="callback">the callback to execute when the value is changed.
+        /// The first parameter is a MonitorEvent object which represents the data point, the second is an `unsubscribe` function to unsubscribe the callback</param>
+        public void Monitor<T>(string tag, Action<ReadEvent<T>, Action> callback)
+        {
+            var node = FindNode(tag);
+
+            var sub = new Subscription
+            {
+                PublishingInterval = _options.DefaultMonitorInterval,
+                PublishingEnabled = true,
+                LifetimeCount = _options.SubscriptionLifetimeCount,
+                KeepAliveCount = _options.SubscriptionKeepAliveCount,
+                DisplayName = tag,
+                Priority = byte.MaxValue
+            };
+
+            var item = new MonitoredItem
+            {
+                StartNodeId = node.NodeId,
+                AttributeId = Attributes.Value,
+                DisplayName = tag,
+                SamplingInterval = _options.DefaultMonitorInterval
+            };
+            sub.AddItem(item);
+            _session.AddSubscription(sub);
+            sub.Create();
+            sub.ApplyChanges();
+
+            item.Notification += (monitoredItem, args) =>
+            {
+                var p = (MonitoredItemNotification)args.NotificationValue;
+                var t = p.Value.WrappedValue.Value;
+                Action unsubscribe = () =>
+          {
+              sub.RemoveItems(sub.MonitoredItems);
+              sub.Delete(true);
+              _session.RemoveSubscription(sub);
+              sub.Dispose();
+          };
+
+                var monitorEvent = new ReadEvent<T>();
+                monitorEvent.Value = (T)t;
+                monitorEvent.SourceTimestamp = p.Value.SourceTimestamp;
+                monitorEvent.ServerTimestamp = p.Value.ServerTimestamp;
+                if (StatusCode.IsGood(p.Value.StatusCode)) monitorEvent.Quality = Quality.Good;
+                if (StatusCode.IsBad(p.Value.StatusCode)) monitorEvent.Quality = Quality.Bad;
+                callback(monitorEvent, unsubscribe);
+            };
+        }
+
+        /// <summary>
+        /// Explore a folder on the Opc Server
+        /// </summary>
+        /// <param name="tag">The fully-qualified identifier of the tag. You can specify a subfolder by using a comma delimited name.
+        /// E.g: the tag `foo.bar` finds the sub nodes of `bar` on the folder `foo`</param>
+        /// <returns>The list of sub-nodes</returns>
+        public IEnumerable<UaNode> ExploreFolder(string tag)
+        {
+            IList<UaNode> nodes;
+            _folderCache.TryGetValue(tag, out nodes);
+            if (nodes != null)
+                return nodes;
+
+            var folder = FindNode(tag);
+            nodes = ClientUtils.Browse(_session, folder.NodeId)
+              .GroupBy(n => n.NodeId) //this is to select distinct
+              .Select(n => n.First())
+              .Where(n => n.NodeClass == NodeClass.Variable || n.NodeClass == NodeClass.Object)
+              .Select(n => n.ToHylaNode(folder))
+              .ToList();
+
+            //add nodes to cache
+            if (!_folderCache.ContainsKey(tag))
+                _folderCache.Add(tag, nodes);
+            foreach (var node in nodes)
+                AddNodeToCache(node);
+
+            return nodes;
+        }
+
+        /// <summary>
+        /// Explores a folder asynchronously
+        /// </summary>
+        public async Task<IEnumerable<Common.Node>> ExploreFolderAsync(string tag)
+        {
+            return await Task.Run(() => ExploreFolder(tag));
+        }
+
+        /// <summary>
+        /// Finds a node on the Opc Server
+        /// </summary>
+        /// <param name="tag">The fully-qualified identifier of the tag. You can specify a subfolder by using a comma delimited name.
+        /// E.g: the tag `foo.bar` finds the tag `bar` on the folder `foo`</param>
+        /// <returns>If there is a tag, it returns it, otherwise it throws an </returns>
+        public UaNode FindNode(string tag)
+        {
+            // if the tag already exists in cache, return it
+            if (_nodesCache.ContainsKey(tag))
+                return _nodesCache[tag];
+
+            // try to find the tag otherwise
+            var found = FindNode(tag, RootNode);
+            if (found != null)
+            {
+                AddNodeToCache(found);
+                return found;
+            }
+
+            // throws an exception if not found
+            throw new OpcException(string.Format("The tag \"{0}\" doesn't exist on the Server", tag));
+        }
+
+        /// <summary>
+        /// Find node asynchronously
+        /// </summary>
+        public async Task<Common.Node> FindNodeAsync(string tag)
+        {
+            return await Task.Run(() => FindNode(tag));
+        }
+
+        /// <summary>
+        /// Gets the root node of the server
+        /// </summary>
+        public UaNode RootNode { get; private set; }
+
+        /// <summary>
+        /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
+        /// </summary>
+        public void Dispose()
+        {
+            if (_session != null)
+            {
+                _session.RemoveSubscriptions(_session.Subscriptions.ToList());
+                _session.Close();
+                _session.Dispose();
+            }
+            GC.SuppressFinalize(this);
+        }
+
+        private void CheckReturnValue(StatusCode status)
+        {
+            if (!StatusCode.IsGood(status))
+                throw new OpcException(string.Format("Invalid response from the server. (Response Status: {0})", status), status);
+        }
+
+        /// <summary>
+        /// Adds a node to the cache using the tag as its key
+        /// </summary>
+        /// <param name="node">the node to add</param>
+        private void AddNodeToCache(UaNode node)
+        {
+            if (!_nodesCache.ContainsKey(node.Tag))
+                _nodesCache.Add(node.Tag, node);
+        }
+
+        /// <summary>
+        /// Return identity login object for a given URI.
+        /// </summary>
+        /// <param name="url">Login URI</param>
+        /// <returns>AnonUser or User with name and password</returns>
+        private UserIdentity GetIdentity(Uri url)
+        {
+            if (_options.UserIdentity != null)
+            {
+                return _options.UserIdentity;
+            }
+            var uriLogin = new UserIdentity();
+            if (!string.IsNullOrEmpty(url.UserInfo))
+            {
+                var uis = url.UserInfo.Split(':');
+                uriLogin = new UserIdentity(uis[0], uis[1]);
+            }
+            return uriLogin;
+        }
+
+        /// <summary>
+        /// Crappy method to initialize the session. I don't know what many of these things do, sincerely.
+        /// </summary>
+        private async Task<Session> InitializeSession(Uri url)
+        {
+            var certificateValidator = new CertificateValidator();
+            certificateValidator.CertificateValidation += (sender, eventArgs) =>
+            {
+                if (ServiceResult.IsGood(eventArgs.Error))
+                    eventArgs.Accept = true;
+                else if ((eventArgs.Error.StatusCode.Code == StatusCodes.BadCertificateUntrusted) && _options.AutoAcceptUntrustedCertificates)
+                    eventArgs.Accept = true;
+                else
+                    throw new OpcException(string.Format("Failed to validate certificate with error code {0}: {1}", eventArgs.Error.Code, eventArgs.Error.AdditionalInfo), eventArgs.Error.StatusCode);
+            };
+            // Build the application configuration
+            var appInstance = new ApplicationInstance
+            {
+                ApplicationType = ApplicationType.Client,
+                ConfigSectionName = _options.ConfigSectionName,
+                ApplicationConfiguration = new ApplicationConfiguration
+                {
+                    ApplicationUri = url.ToString(),
+                    ApplicationName = _options.ApplicationName,
+                    ApplicationType = ApplicationType.Client,
+                    CertificateValidator = certificateValidator,
+                    ServerConfiguration = new ServerConfiguration
+                    {
+                        MaxSubscriptionCount = _options.MaxSubscriptionCount,
+                        MaxMessageQueueSize = _options.MaxMessageQueueSize,
+                        MaxNotificationQueueSize = _options.MaxNotificationQueueSize,
+                        MaxPublishRequestCount = _options.MaxPublishRequestCount
+                    },
+                    SecurityConfiguration = new SecurityConfiguration
+                    {
+                        AutoAcceptUntrustedCertificates = _options.AutoAcceptUntrustedCertificates
+                    },
+                    TransportQuotas = new TransportQuotas
+                    {
+                        OperationTimeout = 600000,
+                        MaxStringLength = 1048576,
+                        MaxByteStringLength = 1048576,
+                        MaxArrayLength = 65535,
+                        MaxMessageSize = 4194304,
+                        MaxBufferSize = 65535,
+                        ChannelLifetime = 600000,
+                        SecurityTokenLifetime = 3600000
+                    },
+                    ClientConfiguration = new ClientConfiguration
+                    {
+                        DefaultSessionTimeout = 60000,
+                        MinSubscriptionLifetime = 10000
+                    },
+                    DisableHiResClock = true
+                }
+            };
+
+            // Assign a application certificate (when specified)
+            if (_options.ApplicationCertificate != null)
+                appInstance.ApplicationConfiguration.SecurityConfiguration.ApplicationCertificate = new CertificateIdentifier(_options.ApplicationCertificate);
+
+            // Find the endpoint to be used
+            var endpoints = ClientUtils.SelectEndpoint(url, _options.UseMessageSecurity);
+
+            // Create the OPC session:
+            var session = await Session.Create(
+                configuration: appInstance.ApplicationConfiguration,
+                endpoint: new ConfiguredEndpoint(
+                    collection: null,
+                    description: endpoints,
+                    configuration: EndpointConfiguration.Create(applicationConfiguration: appInstance.ApplicationConfiguration)),
+                updateBeforeConnect: false,
+                checkDomain: false,
+                sessionName: _options.SessionName,
+                sessionTimeout: _options.SessionTimeout,
+                identity: GetIdentity(url),
+                preferredLocales: new string[] { });
+
+            return session;
+        }
+
+        /// <summary>
+        /// Finds a node starting from the specified node as the root folder
+        /// </summary>
+        /// <param name="tag">the tag to find</param>
+        /// <param name="node">the root node</param>
+        /// <returns></returns>
+        private UaNode FindNode(string tag, UaNode node)
+        {
+            var folders = tag.Split('.');
+            var head = folders.FirstOrDefault();
+            UaNode found;
+            try
+            {
+                var subNodes = ExploreFolder(node.Tag);
+                found = subNodes.Single(n => n.Name == head);
+            }
+            catch (Exception ex)
+            {
+                throw new OpcException(string.Format("The tag \"{0}\" doesn't exist on folder \"{1}\"", head, node.Tag), ex);
+            }
+
+            // remove an array element by converting it to a list
+            var folderList = folders.ToList();
+            folderList.RemoveAt(0); // remove the first node
+            folders = folderList.ToArray();
+            return folders.Length == 0
+              ? found // last node, return it
+              : FindNode(string.Join(".", folders), found); // find sub nodes
+        }
+
+
+        private void NotifyServerConnectionLost()
+        {
+            if (ServerConnectionLost != null)
+                ServerConnectionLost(this, EventArgs.Empty);
+        }
+
+        private void NotifyServerConnectionRestored()
+        {
+            if (ServerConnectionRestored != null)
+                ServerConnectionRestored(this, EventArgs.Empty);
+        }
+
+        /// <summary>
+        /// This event is raised when the connection to the OPC server is lost.
+        /// </summary>
+        public event EventHandler ServerConnectionLost;
+
+        /// <summary>
+        /// This event is raised when the connection to the OPC server is restored.
+        /// </summary>
+        public event EventHandler ServerConnectionRestored;
+
+    }
+
+}

h-opc/h-opc/Ua/UaClientOptions.cs

@@ -0,0 +1,120 @@
+using System.Security.Cryptography.X509Certificates;
+using OpcUa = Opc.Ua;
+
+namespace Hylasoft.Opc.Ua
+{
+    /// <summary>
+    /// This class defines the configuration options for the setup of the UA client session
+    /// </summary>
+    public class UaClientOptions
+    {
+        /// <summary>
+        /// Specifies the (optional) certificate for the application to connect to the server
+        /// </summary>
+        public X509Certificate2 ApplicationCertificate { get; set; }
+
+        /// <summary>
+        /// Specifies the ApplicationName for the client application.
+        /// </summary>
+        public string ApplicationName { get; set; }
+
+        /// <summary>
+        /// Should untrusted certificates be silently accepted by the client?
+        /// </summary>
+        public bool AutoAcceptUntrustedCertificates { get; set; }
+
+        /// <summary>
+        /// Specifies the ConfigSectionName for the client configuration.
+        /// </summary>
+        public string ConfigSectionName { get; set; }
+
+        /// <summary>
+        /// default monitor interval in Milliseconds.
+        /// </summary>
+        public int DefaultMonitorInterval { get; set; }
+
+        /// <summary>
+        /// Specifies a name to be associated with the created sessions.
+        /// </summary>
+        public string SessionName { get; set; }
+
+        /// <summary>
+        /// Specifies the timeout for the sessions.
+        /// </summary>
+        public uint SessionTimeout { get; set; }
+
+        /// <summary>
+        /// Specify whether message exchange should be secured.
+        /// </summary>
+        public bool UseMessageSecurity { get; set; }
+
+        /// <summary>
+        /// The maximum number of notifications per publish request.
+        /// The client’s responsibility is to send PublishRequests to the server,
+        /// in order to enable the server to send PublishResponses back.
+        /// The PublishResponses are used to deliver the notifications: but if there
+        /// are no PublishRequests, the server cannot send a notification to the client.
+        /// The server will also verify that the client is alive by checking that
+        /// new PublishRequests are received – LifeTimeCount defines the number of
+        /// PublishingIntervals to wait for a new PublishRequest, before realizing
+        /// that the client is no longer active.The Subscription is then removed from
+        /// the server.
+        /// </summary>
+        public uint SubscriptionLifetimeCount { get; set; }
+
+        /// <summary>
+        /// If there is no data to send after the next PublishingInterval,
+        /// the server will skip it. But KeepAlive defines how many intervals may be skipped,
+        /// before an empty notification is sent anyway: to give the client a hint that
+        /// the subscription is still alive in the server and that there just has not been
+        /// any data arriving to the client.
+        /// </summary>
+        public uint SubscriptionKeepAliveCount { get; set; }
+
+        /// <summary>
+        /// Gets or sets the max subscription count.
+        /// </summary>
+        public int MaxSubscriptionCount { get; set; }
+
+        /// <summary>
+        /// The maximum number of messages saved in the queue for each subscription.
+        /// </summary>
+        public int MaxMessageQueueSize { get; set; }
+
+        /// <summary>
+        /// The maximum number of notificates saved in the queue for each monitored item.
+        /// </summary>
+        public int MaxNotificationQueueSize { get; set; }
+
+        /// <summary>
+        /// Gets or sets the max publish request count.
+        /// </summary>
+        public int MaxPublishRequestCount { get; set; }
+
+        /// <summary>
+        /// The identity to connect to the OPC server as
+        /// </summary>
+        public OpcUa.UserIdentity UserIdentity { get; set; }
+
+        /// <summary>
+        /// Creates a client options object
+        /// </summary>
+        public UaClientOptions()
+        {
+            // Initialize default values:
+            ApplicationName = "h-opc-client";
+            AutoAcceptUntrustedCertificates = true;
+            ConfigSectionName = "h-opc-client";
+            DefaultMonitorInterval = 100;
+            SessionName = "h-opc-client";
+            SessionTimeout = 60000U;
+            UseMessageSecurity = false;
+            SubscriptionLifetimeCount = 0;
+            SubscriptionKeepAliveCount = 0;
+            MaxSubscriptionCount = 100;
+            MaxMessageQueueSize = 10;
+            MaxNotificationQueueSize = 100;
+            MaxPublishRequestCount = 20;
+        }
+    }
+}

h-opc/h-opc/Ua/UaNode.cs

@@ -0,0 +1,29 @@
+using Hylasoft.Opc.Common;
+
+namespace Hylasoft.Opc.Ua
+{
+    /// <summary>
+    /// Represents a node to be used specifically for OPC UA
+    /// </summary>
+    public class UaNode : Node
+    {
+        /// <summary>
+        /// The UA Id of the node
+        /// </summary>
+        public string NodeId { get; private set; }
+
+        /// <summary>
+        /// Instantiates a UaNode class
+        /// </summary>
+        /// <param name="name">the name of the node</param>
+        /// <param name="nodeId">The UA Id of the node</param>
+        /// <param name="parent">The parent node</param>
+        internal UaNode(string name, string nodeId, Node parent = null)
+          : base(name, parent)
+        {
+            NodeId = nodeId;
+        }
+
+    }
+
+}

h-opc/h-opc/h-opc.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <RootNamespace>h_opc</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>disable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="OPCFoundation.NetStandard.Opc.Ua.Client" Version="1.4.371.96" />
+    <PackageReference Include="Technosoftware.DaAeHdaSolution.DaAeHdaClient" Version="2.0.1" />
+  </ItemGroup>
+
+</Project>