2016-01-28 update 1

This commit is contained in:
parallelbgls@outlook.com
2016-01-28 17:31:25 +08:00
parent fcb4432a98
commit 72c1948bbb
46 changed files with 2860 additions and 814 deletions

View File

@@ -1,4 +1,4 @@
<?xml version="1.0"?>
<?xml version="1.0" encoding="utf-8"?>
<!--
For more information on how to configure your ASP.NET application, please visit
http://go.microsoft.com/fwlink/?LinkId=301879
@@ -6,12 +6,12 @@
<configuration>
<configSections>
<!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
<section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false"/>
<section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
</configSections>
<connectionStrings>
<add name="DefaultConnection" connectionString="Data Source=(LocalDb)\v11.0;AttachDbFilename=|DataDirectory|\aspnet-CrossLampControl.WebApi-20140912112502.mdf;Initial Catalog=aspnet-CrossLampControl.WebApi-20140912112502;Integrated Security=True" providerName="System.Data.SqlClient"/>
<add name="DefaultConnection" connectionString="Data Source=(LocalDb)\v11.0;AttachDbFilename=|DataDirectory|\aspnet-CrossLampControl.WebApi-20140912112502.mdf;Initial Catalog=aspnet-CrossLampControl.WebApi-20140912112502;Integrated Security=True" providerName="System.Data.SqlClient" />
</connectionStrings>
<appSettings/>
<appSettings />
<!--
有关 web.config 更改的说明,请参见 http://go.microsoft.com/fwlink/?LinkId=235367。
@@ -21,61 +21,61 @@
</system.Web>
-->
<system.web>
<authentication mode="None"/>
<compilation debug="true" targetFramework="4.6"/>
<httpRuntime targetFramework="4.5"/>
<authentication mode="None" />
<compilation debug="true" targetFramework="4.6" />
<httpRuntime targetFramework="4.5" />
</system.web>
<system.webServer>
<modules>
<remove name="FormsAuthentication"/>
<remove name="FormsAuthentication" />
</modules>
<handlers>
<remove name="ExtensionlessUrlHandler-Integrated-4.0"/>
<remove name="OPTIONSVerbHandler"/>
<remove name="TRACEVerbHandler"/>
<add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="*" type="System.Web.Handlers.TransferRequestHandler" preCondition="integratedMode,runtimeVersionv4.0"/>
<remove name="ExtensionlessUrlHandler-Integrated-4.0" />
<remove name="OPTIONSVerbHandler" />
<remove name="TRACEVerbHandler" />
<add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="*" type="System.Web.Handlers.TransferRequestHandler" preCondition="integratedMode,runtimeVersionv4.0" />
</handlers>
</system.webServer>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="Microsoft.Owin" publicKeyToken="31bf3856ad364e35"/>
<bindingRedirect oldVersion="0.0.0.0-2.1.0.0" newVersion="2.1.0.0"/>
<assemblyIdentity name="Microsoft.Owin" publicKeyToken="31bf3856ad364e35" />
<bindingRedirect oldVersion="0.0.0.0-2.1.0.0" newVersion="2.1.0.0" />
</dependentAssembly>
<dependentAssembly>
<assemblyIdentity name="Newtonsoft.Json" culture="neutral" publicKeyToken="30ad4fe6b2a6aeed"/>
<bindingRedirect oldVersion="0.0.0.0-6.0.0.0" newVersion="6.0.0.0"/>
<assemblyIdentity name="Newtonsoft.Json" culture="neutral" publicKeyToken="30ad4fe6b2a6aeed" />
<bindingRedirect oldVersion="0.0.0.0-6.0.0.0" newVersion="6.0.0.0" />
</dependentAssembly>
<dependentAssembly>
<assemblyIdentity name="System.Web.Helpers" publicKeyToken="31bf3856ad364e35"/>
<bindingRedirect oldVersion="1.0.0.0-3.0.0.0" newVersion="3.0.0.0"/>
<assemblyIdentity name="System.Web.Helpers" publicKeyToken="31bf3856ad364e35" />
<bindingRedirect oldVersion="1.0.0.0-3.0.0.0" newVersion="3.0.0.0" />
</dependentAssembly>
<dependentAssembly>
<assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35"/>
<bindingRedirect oldVersion="1.0.0.0-5.2.0.0" newVersion="5.2.0.0"/>
<assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35" />
<bindingRedirect oldVersion="1.0.0.0-5.2.0.0" newVersion="5.2.0.0" />
</dependentAssembly>
<dependentAssembly>
<assemblyIdentity name="System.Web.Optimization" publicKeyToken="31bf3856ad364e35"/>
<bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="1.1.0.0"/>
<assemblyIdentity name="System.Web.Optimization" publicKeyToken="31bf3856ad364e35" />
<bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="1.1.0.0" />
</dependentAssembly>
<dependentAssembly>
<assemblyIdentity name="System.Web.WebPages" publicKeyToken="31bf3856ad364e35"/>
<bindingRedirect oldVersion="1.0.0.0-3.0.0.0" newVersion="3.0.0.0"/>
<assemblyIdentity name="System.Web.WebPages" publicKeyToken="31bf3856ad364e35" />
<bindingRedirect oldVersion="1.0.0.0-3.0.0.0" newVersion="3.0.0.0" />
</dependentAssembly>
<dependentAssembly>
<assemblyIdentity name="WebGrease" publicKeyToken="31bf3856ad364e35"/>
<bindingRedirect oldVersion="0.0.0.0-1.5.2.14234" newVersion="1.5.2.14234"/>
<assemblyIdentity name="WebGrease" publicKeyToken="31bf3856ad364e35" />
<bindingRedirect oldVersion="0.0.0.0-1.5.2.14234" newVersion="1.5.2.14234" />
</dependentAssembly>
</assemblyBinding>
</runtime>
<entityFramework>
<defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework">
<parameters>
<parameter value="mssqllocaldb"/>
<parameter value="mssqllocaldb" />
</parameters>
</defaultConnectionFactory>
<providers>
<provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer"/>
<provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
</providers>
</entityFramework>
</configuration>

View File

@@ -36,32 +36,61 @@ namespace ModBus.Net
int preNum = -1;
Type preType = null;
int getCount = 0;
foreach (var address in groupedAddress.OrderBy(address=>address.Address))
foreach (var address in groupedAddress.OrderBy(address => address.Address))
{
if (initNum < 0)
{
initNum = address.Address;
getCount = (int)BigEndianValueHelper.Instance.ByteLength[address.DataType.FullName];
getCount = (int) BigEndianValueHelper.Instance.ByteLength[address.DataType.FullName];
}
else
{
if (address.Address > preNum + BigEndianValueHelper.Instance.ByteLength[preType.FullName])
{
ans.Add(new CommunicationUnit(){Area = area, Address = initNum, GetCount = getCount, DataType = typeof(byte)});
ans.Add(new CommunicationUnit()
{
Area = area,
Address = initNum,
GetCount = getCount,
DataType = typeof (byte)
});
initNum = address.Address;
getCount = (int)BigEndianValueHelper.Instance.ByteLength[address.DataType.FullName];
getCount = (int) BigEndianValueHelper.Instance.ByteLength[address.DataType.FullName];
}
else
{
getCount += (int)BigEndianValueHelper.Instance.ByteLength[address.DataType.FullName];
getCount += (int) BigEndianValueHelper.Instance.ByteLength[address.DataType.FullName];
}
}
preNum = address.Address;
preType = address.DataType;
}
ans.Add(new CommunicationUnit() { Area = area, Address = initNum, GetCount = getCount, DataType = typeof(byte) });
ans.Add(new CommunicationUnit()
{
Area = area,
Address = initNum,
GetCount = getCount,
DataType = typeof (byte)
});
}
return ans;
}
}
public class AddressCombinerSingle : AddressCombiner
{
public override IEnumerable<CommunicationUnit> Combine(IEnumerable<AddressUnit> addresses)
{
return
addresses.Select(
address =>
new CommunicationUnit()
{
Area = address.Area,
Address = address.Address,
DataType = address.DataType,
GetCount = 1
}).ToList();
}
}
}

View File

@@ -144,7 +144,11 @@ namespace ModBus.Net
BigEndianValueHelper.Instance.ByteLength[
communicateAddress.DataType.FullName]));
//如果没有数据,终止
if (datas == null || datas.Length == 0) return null;
if (datas == null || datas.Length == 0 || datas.Length !=
(int)
Math.Ceiling(communicateAddress.GetCount *
BigEndianValueHelper.Instance.ByteLength[
communicateAddress.DataType.FullName])) return null;
int pos = 0;
//解码数据
while (pos < communicateAddress.GetCount)

View File

@@ -69,6 +69,15 @@ namespace ModBus.Net {
}
}
/// <summary>
/// 查找类似 opcda://localhost/FBoxOpcServer 的本地化字符串。
/// </summary>
internal static string FBoxOpcDaHost {
get {
return ResourceManager.GetString("FBoxOpcDaHost", resourceCulture);
}
}
/// <summary>
/// 查找类似 192.168.1.1 的本地化字符串。
/// </summary>
@@ -96,6 +105,15 @@ namespace ModBus.Net {
}
}
/// <summary>
/// 查找类似 opcda://localhost/... 的本地化字符串。
/// </summary>
internal static string OpcDaHost {
get {
return ResourceManager.GetString("OpcDaHost", resourceCulture);
}
}
/// <summary>
/// 查找类似 102 的本地化字符串。
/// </summary>

View File

@@ -120,6 +120,9 @@
<data name="COM" xml:space="preserve">
<value>COM1</value>
</data>
<data name="FBoxOpcDaHost" xml:space="preserve">
<value>opcda://localhost/FBoxOpcServer</value>
</data>
<data name="IP" xml:space="preserve">
<value>192.168.1.1</value>
</data>
@@ -129,6 +132,9 @@
<data name="ModbusPort" xml:space="preserve">
<value>502</value>
</data>
<data name="OpcDaHost" xml:space="preserve">
<value>opcda://localhost/...</value>
</data>
<data name="SiemensPort" xml:space="preserve">
<value>102</value>
</data>

View File

@@ -0,0 +1,621 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.AspNet.SignalR.Client;
using Newtonsoft.Json;
using Thinktecture.IdentityModel.Client;
namespace ModBus.Net.FBox
{
public struct SignalRSigninMsg
{
public string ClientId { get; set; }
public string ClientSecret { get; set; }
public string UserId { get; set; }
public string Password { get; set; }
public string SigninAdditionalValues { get; set; }
public SignalRServer SignalRServer { get; set; }
}
public class FBoxConnector : BaseConnector
{
private OAuth2Client _oauth2;
private string _refreshToken;
private HttpClient _httpClient;
private HttpClient _httpClient2;
private HubConnection _hubConnection;
private SignalRSigninMsg _msg;
protected SignalRSigninMsg Msg => _msg;
private DMonGroup _dataGroup;
private int _state;
private string _groupUid;
private string _boxUid;
private string _boxNo;
private int _boxSessionId;
private int _connectionState;
private Dictionary<string, double> _data;
private Dictionary<string, Type> _dataType;
private DateTime _timeStamp = DateTime.MinValue;
public override string ConnectionToken { get; }
private AsyncLock _lock = new AsyncLock();
private Timer _timer;
private string MachineId => ConnectionToken.Split(',')[0];
private string LocalSequence => ConnectionToken.Split(',')[1];
private bool _connected;
public override bool IsConnected => _connected;
private bool Connected
{
get { return _connected; }
set
{
if (value == false)
{
Disconnect();
}
_connected = value;
}
}
private Constants _constants;
private Constants Constants => _constants ?? (_constants = new Constants());
public FBoxConnector(string machineId, string localSequence, SignalRSigninMsg msg)
{
Constants.SignalRServer = msg.SignalRServer;
System.Net.ServicePointManager.ServerCertificateValidationCallback = delegate { return true; };
ConnectionToken = machineId + "," + localSequence;
_msg = msg;
_data = new Dictionary<string, double>();
_dataType = new Dictionary<string, Type>();
}
private async void ChangeToken(object sender)
{
try
{
var tokenResponse = await _oauth2.RequestRefreshTokenAsync(_refreshToken);
_refreshToken = tokenResponse.RefreshToken;
_httpClient.SetBearerToken(tokenResponse.AccessToken);
_httpClient2.SetBearerToken(tokenResponse.AccessToken);
_hubConnection.Stop();
_hubConnection.Headers["Authorization"] = "Bearer " + tokenResponse.AccessToken;
await _hubConnection.Start();
await
_httpClient2.PostAsync(
"dmon/group/" + _dataGroup.Uid + "/start", null);
}
catch (Exception e)
{
Console.WriteLine("Retoken failed." + e.Message);
}
Console.WriteLine("Retoken success.");
}
public override bool Connect()
{
return AsyncHelper.RunSync(ConnectAsync);
}
public override async Task<bool> ConnectAsync()
{
try
{
_oauth2 = new OAuth2Client(
new Uri(Constants.TokenEndpoint),
Msg.ClientId,
Msg.ClientSecret
);
var tokenResponse = await _oauth2.RequestResourceOwnerPasswordAsync
(
Msg.UserId,
Msg.Password,
Msg.SigninAdditionalValues
);
if (tokenResponse != null)
{
_refreshToken = tokenResponse.RefreshToken;
await CallService(Msg, tokenResponse.AccessToken);
}
await
_httpClient2.PostAsync(
"dmon/group/" + _dataGroup.Uid + "/start", null);
Connected = true;
_timer = new Timer(ChangeToken, null, 3600*1000*4, 3600*1000*4);
Console.WriteLine("SignalR Connected success");
return true;
}
catch (Exception e)
{
_oauth2 = null;
Console.WriteLine("SignalR Connected failed");
return false;
}
}
private async Task CallService(SignalRSigninMsg msg, string token)
{
var guid = Guid.NewGuid().ToString();
var baseAddress = Constants.AspNetWebApiSampleApi;
_httpClient = new HttpClient
{
BaseAddress = new Uri(baseAddress)
};
_httpClient.SetBearerToken(token);
//var response = await _httpClient.GetStringAsync("device/spec");
//List<DeviceSpecSource> deviceSpecs = JsonConvert.DeserializeObject<List<DeviceSpecSource>>(response);
//deviceSpecs = deviceSpecs.OrderBy(p => p.Id).ToList();
var response = await _httpClient.GetStringAsync("boxgroup");
List<BoxGroup> boxGroups = JsonConvert.DeserializeObject<List<BoxGroup>>(response);
foreach (var boxGroup in boxGroups)
{
var boxes = boxGroup.BoxRegs;
foreach (var box in boxes)
{
var sessionId = box.Box.CurrentSessionId;
var baseUrl = box.Box.CommServer.ApiBaseUrl;
var signalrUrl = box.Box.CommServer.SignalRUrl;
var boxUid = box.Box.Uid;
var boxNo = box.Box.BoxNo;
var connectionState = box.Box.ConnectionState;
if (boxNo != MachineId) continue;
_httpClient2 = new HttpClient
{
BaseAddress = new Uri(baseUrl)
};
_httpClient2.SetBearerToken(token);
_httpClient2.DefaultRequestHeaders.Add("X-FBox-ClientId", guid);
response = await _httpClient2.GetStringAsync("box/" + box.Box.Uid + "/dmon/def/grouped");
List<DMonGroup> dataGroups = JsonConvert.DeserializeObject<List<DMonGroup>>(response);
foreach (var dataGroup in dataGroups)
{
if (dataGroup.Name == LocalSequence)
{
_dataGroup = dataGroup;
break;
}
}
_boxSessionId = sessionId;
_boxNo = boxNo;
_connectionState = connectionState;
_hubConnection = new HubConnection(signalrUrl);
_hubConnection.Headers.Add("Authorization", "Bearer " + token);
_hubConnection.Headers.Add("X-FBox-ClientId", guid);
_hubConnection.Headers.Add("X-FBox-Session", sessionId.ToString());
IHubProxy dataHubProxy = _hubConnection.CreateHubProxy("clientHub");
dataHubProxy.On<int, List<GetValue>>("dMonUpdateValue",
(boxSessionId, values) =>
{
//#if DEBUG
//Console.WriteLine($"Box session {boxSessionId} return at {DateTime.Now}");
//#endif
_timeStamp = DateTime.Now;
foreach (var value in values)
{
if (value.Status != 0)
{
lock (_data)
{
var dMonEntry =
_dataGroup.DMonEntries.FirstOrDefault(
p => p.Uid == value.Id);
if (dMonEntry != null)
{
if (_data.ContainsKey(dMonEntry.Desc))
{
_data.Remove(dMonEntry.Desc);
}
}
}
return;
}
lock (_data)
{
if (_dataGroup.DMonEntries.Any(p => p.Uid == value.Id))
{
if (_data == null)
{
_data = new Dictionary<string, double>();
}
var dMonEntry = _dataGroup.DMonEntries.FirstOrDefault(
p => p.Uid == value.Id);
if (value.Value.HasValue && dMonEntry != null)
{
if (_data.ContainsKey(dMonEntry.Desc))
{
_data[dMonEntry.Desc] = value.Value.Value;
}
else
{
_data.Add(dMonEntry.Desc, value.Value.Value);
}
}
}
}
}
});
dataHubProxy.On<int, string, int, int>("boxConnectionStateChanged",
async (newConnectionToken, getBoxUid, oldStatus, newStatus) =>
{
//#if DEBUG
//Console.WriteLine(
//$"Box uid {getBoxUid} change state at {DateTime.Now} new connectionToken {newConnectionToken} newStatus {newStatus}");
//#endif
sessionId = newConnectionToken;
_boxSessionId = sessionId;
_connectionState = newStatus;
_httpClient2.DefaultRequestHeaders.Remove("X-FBox-Session");
_httpClient2.DefaultRequestHeaders.Add("X-FBox-Session",
sessionId.ToString());
_hubConnection.Headers["X-FBox-Session"] = sessionId.ToString();
if (_hubConnection.State == ConnectionState.Disconnected)
{
await _hubConnection.Start();
}
if (newStatus == 1)
{
if (Connected)
{
await
_httpClient2.PostAsync(
"dmon/group/" + _dataGroup.Uid + "/start", null);
}
}
else
{
lock (_data)
{
_data.Clear();
}
Connected = false;
}
});
_hubConnection.Error += async ex =>
{
Console.WriteLine(@"SignalR error: {0}", ex.Message);
await ConnectRecovery(_hubConnection);
};
_hubConnection.Closed += async () =>
{
await ConnectRecovery(_hubConnection);
};
ServicePointManager.DefaultConnectionLimit = 10;
if (_dataGroup == null) return;
var groupUid = _dataGroup.Uid;
var groupName = _dataGroup.Name;
if (groupName != "(Default)" && groupName != "默认组" && _connectionState == 1)
{
_groupUid = groupUid;
}
if (groupName != "(Default)" && groupName != "默认组" && _connectionState == 1)
{
_boxUid = boxUid;
}
_dataType = new Dictionary<string, Type>();
foreach (var dMonEntry in _dataGroup.DMonEntries)
{
Type type;
switch (dMonEntry.DataType)
{
//位
case 0:
{
type = typeof (bool);
break;
}
//16位无符号
case 1:
{
type = typeof (ushort);
break;
}
//16位有符号
case 2:
{
type = typeof (short);
break;
}
//32位无符号
case 11:
{
type = typeof (uint);
break;
}
//32位有符号
case 12:
{
type = typeof (int);
break;
}
//16位BCD
case 3:
{
type = typeof (short);
break;
}
//32位BCD
case 13:
{
type = typeof (int);
break;
}
//浮点数
case 16:
{
type = typeof (float);
break;
}
//16位16进制
case 4:
{
type = typeof (short);
break;
}
//32位16进制
case 14:
{
type = typeof (int);
break;
}
//16位2进制
case 5:
{
type = typeof (short);
break;
}
//32位2进制
case 15:
{
type = typeof (int);
break;
}
default:
{
type = typeof (short);
break;
}
}
if (!_dataType.ContainsKey(dMonEntry.Desc))
{
_dataType.Add(dMonEntry.Desc, type);
}
else
{
_dataType[dMonEntry.Desc] = type;
}
}
await _hubConnection.Start();
await dataHubProxy.Invoke("updateClientId", guid);
}
}
}
private async Task ConnectRecovery(HubConnection hubConnection)
{
try
{
if (hubConnection.State != ConnectionState.Connected)
{
try
{
hubConnection.Stop();
}
catch
{
// ignored
}
await hubConnection.Start();
if (Connected)
{
await
_httpClient2.PostAsync(
"dmon/group/" + _dataGroup.Uid + "/start", null);
}
}
}
catch
{
lock (_data)
{
_data.Clear();
}
Connected = false;
}
}
public override bool Disconnect()
{
return AsyncHelper.RunSync(DisconnectAsync);
}
public async Task<bool> DisconnectAsync()
{
try
{
await
_httpClient2.PostAsync(
"dmon/group/" + _groupUid + "/stop",
null);
_connected = false;
_timer.Dispose();
_timer = null;
Console.WriteLine("SignalR Disconnect success");
return true;
}
catch
{
Console.WriteLine("SignalR Disconnect failed");
return false;
}
}
public override bool SendMsgWithoutReturn(byte[] message)
{
throw new NotImplementedException();
}
public override Task<bool> SendMsgWithoutReturnAsync(byte[] message)
{
throw new NotImplementedException();
}
public override byte[] SendMsg(byte[] message)
{
if (_httpClient == null)
{
Connected = false;
return null;
}
if (_hubConnection.State == ConnectionState.Disconnected)
{
_hubConnection.Start();
}
var formater = new AddressFormaterFBox();
var translator = new AddressTranslatorFBox();
byte[] ans;
if (_connectionState != 1)
{
Connected = false;
Console.WriteLine($"Return Value Rejected with connectionToken {ConnectionToken}");
return null;
}
if (_timeStamp == DateTime.MinValue)
{
return Encoding.ASCII.GetBytes("NoData");
}
if (DateTime.Now - _timeStamp > TimeSpan.FromMinutes(1))
{
Connected = false;
return null;
}
Dictionary<string, double> machineDataValue;
lock (_data)
{
machineDataValue = _data.ToDictionary(pair => pair.Key, pair => pair.Value);
}
var machineDataType = _dataType;
if (machineDataType == null || machineDataType.Count == 0)
{
Connected = false;
Console.WriteLine($"Return Value Rejected with connectionToken {ConnectionToken}");
return null;
}
if (machineDataValue == null || machineDataValue.Count == 0)
{
return Encoding.ASCII.GetBytes("NoData");
}
int pos = 0;
int area = BigEndianValueHelper.Instance.GetInt(message, ref pos);
int address = BigEndianValueHelper.Instance.GetInt(message, ref pos);
//short count = BigEndianValueHelper.Instance.GetShort(message, ref pos);
object[] dataAns = new object[1];
try
{
dataAns[0] =
Convert.ChangeType(
machineDataValue[formater.FormatAddress(translator.GetAreaName(area), address)],
machineDataType[formater.FormatAddress(translator.GetAreaName(area), address)]);
}
catch (Exception e)
{
return Encoding.ASCII.GetBytes("NoData");
//dataAns[0] =
//Convert.ChangeType(
//0,
//machineDataType[formater.FormatAddress(translator.GetAreaName(area), address)]);
}
finally
{
ans = BigEndianValueHelper.Instance.ObjectArrayToByteArray(dataAns);
}
return ans;
}
public override Task<byte[]> SendMsgAsync(byte[] message)
{
return Task.Factory.StartNew(() => SendMsg(message));
}
}
}

View File

@@ -0,0 +1,25 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ModBus.Net.FBox
{
public class FBoxProtocalLinker : ProtocalLinker
{
protected FBoxProtocalLinker(string machineId, string localSequence, SignalRSigninMsg msg)
{
_baseConnector = new FBoxConnector(machineId, localSequence, msg);
}
public override bool CheckRight(byte[] content)
{
if (content != null && content.Length == 6 && Encoding.ASCII.GetString(content) == "NoData")
{
return false;
}
return base.CheckRight(content);
}
}
}

View File

@@ -6,15 +6,10 @@ using System.Threading.Tasks;
namespace ModBus.Net.FBox
{
public class FBoxSignalRProtocalLinker : SignalRProtocalLinker
public class FBoxSignalRProtocalLinker : FBoxProtocalLinker
{
public FBoxSignalRProtocalLinker(string machineId, string localSequence, SignalRSigninMsg msg) : base(machineId, localSequence, msg)
{
}
public override bool CheckRight(byte[] content)
{
return true;
}
}
}

View File

@@ -1,747 +0,0 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.AspNet.SignalR.Client;
using Newtonsoft.Json;
using Thinktecture.IdentityModel.Client;
namespace ModBus.Net.FBox
{
public struct SignalRSigninMsg
{
public string ClientId { get; set; }
public string ClientSecret { get; set; }
public string UserId { get; set; }
public string Password { get; set; }
public string SigninAdditionalValues { get; set; }
public SignalRServer SignalRServer { get; set; }
}
public class SignalRConnector : BaseConnector
{
private static Dictionary<SignalRSigninMsg, OAuth2Client> _oauth2;
private static Dictionary<SignalRSigninMsg, string> _refreshToken;
private static Dictionary<SignalRSigninMsg, HttpClient> _httpClient;
private static Dictionary<string, HttpClient> _httpClient2;
private static Dictionary<string, HubConnection> _hubConnections;
private static Dictionary<string, SignalRSigninMsg> _boxUidMsg;
private static Dictionary<string, int> _boxUidSessionId;
private static Dictionary<string, List<DMonGroup>> _boxUidDataGroups;
private static Dictionary<string, int> _connectionTokenState;
private static Dictionary<string, string> _groupNameUid;
private static Dictionary<string, string> _groupNameBoxUid;
private static Dictionary<string, Dictionary<string, double>> _machineData;
private static Dictionary<string, Dictionary<string, Type>> _machineDataType;
private static Dictionary<string, string> _boxUidBoxNo;
private static HashSet<string> _connectedDataGroupUid;
public override string ConnectionToken { get; }
private Timer _timer;
private string MachineId => ConnectionToken.Split(',')[0];
private string LocalSequence => ConnectionToken.Split(',')[1];
private static readonly AsyncLock _lock = new AsyncLock();
private bool _connected;
public override bool IsConnected => _connected;
private SignalRSigninMsg Msg { get; set;}
private Constants _constants;
private Constants Constants => _constants ?? (_constants = new Constants());
public SignalRConnector(string machineId, string localSequence, SignalRSigninMsg msg)
{
Constants.SignalRServer = msg.SignalRServer;
System.Net.ServicePointManager.ServerCertificateValidationCallback = delegate { return true; };
ConnectionToken = machineId + "," + localSequence;
if (_oauth2 == null)
{
_httpClient = new Dictionary<SignalRSigninMsg, HttpClient>();
_oauth2 = new Dictionary<SignalRSigninMsg, OAuth2Client>();
_refreshToken = new Dictionary<SignalRSigninMsg, string>();
_boxUidMsg = new Dictionary<string, SignalRSigninMsg>();
_hubConnections = new Dictionary<string, HubConnection>();
_httpClient2 = new Dictionary<string, HttpClient>();
_machineData = new Dictionary<string, Dictionary<string, double>>();
_machineDataType = new Dictionary<string, Dictionary<string, Type>>();
_boxUidSessionId = new Dictionary<string, int>();
_connectionTokenState = new Dictionary<string, int>();
_groupNameUid = new Dictionary<string, string>();
_groupNameBoxUid = new Dictionary<string, string>();
_boxUidDataGroups = new Dictionary<string, List<DMonGroup>>();
_boxUidBoxNo = new Dictionary<string, string>();
_connectedDataGroupUid = new HashSet<string>();
_timer = new Timer(ChangeToken, null, 3600 * 1000 * 4, 3600 * 1000 * 4);
}
Msg = msg;
}
private async void ChangeToken(object sender)
{
try
{
using (await _lock.LockAsync())
{
var tokenResponse = await _oauth2[Msg].RequestRefreshTokenAsync(_refreshToken[Msg]);
_refreshToken[Msg] = tokenResponse.RefreshToken;
_httpClient[Msg].SetBearerToken(tokenResponse.AccessToken);
foreach (var boxUidMsg in _boxUidMsg)
{
if (boxUidMsg.Value.Equals(Msg))
{
if (_httpClient2.ContainsKey(boxUidMsg.Key) && _hubConnections.ContainsKey(boxUidMsg.Key))
_httpClient2[boxUidMsg.Key].SetBearerToken(tokenResponse.AccessToken);
_hubConnections[boxUidMsg.Key].Stop();
_hubConnections[boxUidMsg.Key].Headers["Authorization"] = "Bearer " +
tokenResponse.AccessToken;
await _hubConnections[boxUidMsg.Key].Start();
var localDataGroups = _boxUidDataGroups[boxUidMsg.Key];
foreach (var localDataGroup in localDataGroups)
{
if (_connectedDataGroupUid.Contains(localDataGroup.Uid))
{
await
_httpClient2[boxUidMsg.Key].PostAsync(
"dmon/group/" + localDataGroup.Uid + "/start", null);
}
}
}
}
}
}
catch (Exception e)
{
Console.WriteLine("Retoken failed." + e.Message);
}
Console.WriteLine("Retoken success.");
}
public override bool Connect()
{
return AsyncHelper.RunSync(ConnectAsync);
}
public override async Task<bool> ConnectAsync()
{
try
{
using (await _lock.LockAsync())
{
if (!_oauth2.ContainsKey(Msg))
{
_oauth2.Add(Msg, new OAuth2Client(
new Uri(Constants.TokenEndpoint),
Msg.ClientId,
Msg.ClientSecret
));
var tokenResponse = await _oauth2[Msg].RequestResourceOwnerPasswordAsync
(
Msg.UserId,
Msg.Password,
Msg.SigninAdditionalValues
);
if (tokenResponse != null)
{
_refreshToken.Add(Msg, tokenResponse.RefreshToken);
AsyncHelper.RunSync(()=> CallService(Msg, tokenResponse.AccessToken));
}
}
if (_groupNameBoxUid.ContainsKey(ConnectionToken) && _hubConnections.ContainsKey(_groupNameBoxUid[ConnectionToken]) &&
_httpClient2.ContainsKey(_groupNameBoxUid[ConnectionToken]) &&
_groupNameUid.ContainsKey(ConnectionToken))
{
await
_httpClient2[_groupNameBoxUid[ConnectionToken]].PostAsync(
"dmon/group/" + _groupNameUid[ConnectionToken] + "/start",
null);
_connectedDataGroupUid.Add(_groupNameUid[ConnectionToken]);
_connected = true;
Console.WriteLine("SignalR Connected success");
return true;
}
else
{
_connected = false;
Console.WriteLine("SignalR Connected failed");
return false;
}
}
}
catch (Exception e)
{
if (_oauth2.ContainsKey(Msg))
{
_oauth2.Remove(Msg);
}
Console.WriteLine("SignalR Connected failed");
return false;
}
}
private async Task CallService(SignalRSigninMsg msg, string token)
{
var guid = Guid.NewGuid().ToString();
var baseAddress = Constants.AspNetWebApiSampleApi;
if (!_httpClient.ContainsKey(msg))
{
_httpClient.Add(msg, new HttpClient
{
BaseAddress = new Uri(baseAddress)
});
}
_httpClient[msg].SetBearerToken(token);
//var response = await _httpClient.GetStringAsync("device/spec");
//List<DeviceSpecSource> deviceSpecs = JsonConvert.DeserializeObject<List<DeviceSpecSource>>(response);
//deviceSpecs = deviceSpecs.OrderBy(p => p.Id).ToList();
var response = await _httpClient[msg].GetStringAsync("boxgroup");
List<BoxGroup> boxGroups = JsonConvert.DeserializeObject<List<BoxGroup>>(response);
foreach (var boxGroup in boxGroups)
{
var boxes = boxGroup.BoxRegs;
foreach (var box in boxes)
{
var sessionId = box.Box.CurrentSessionId;
var baseUrl = box.Box.CommServer.ApiBaseUrl;
var signalrUrl = box.Box.CommServer.SignalRUrl;
var boxUid = box.Box.Uid;
var boxNo = box.Box.BoxNo;
//var currentStat = box.Box.ConnectionState;
var client2 = new HttpClient
{
BaseAddress = new Uri(baseUrl)
};
client2.SetBearerToken(token);
client2.DefaultRequestHeaders.Add("X-FBox-ClientId", guid);
response = await client2.GetStringAsync("box/" + box.Box.Uid + "/dmon/def/grouped");
if (_boxUidDataGroups.ContainsKey(boxUid))
{
break;
}
List<DMonGroup> dataGroups = JsonConvert.DeserializeObject<List<DMonGroup>>(response);
_boxUidDataGroups.Add(boxUid, dataGroups);
lock (_boxUidSessionId)
{
_boxUidSessionId.Add(boxUid, sessionId);
}
_boxUidBoxNo.Add(boxUid, boxNo);
_boxUidMsg.Add(boxUid, Msg);
var hubConnection = new HubConnection(signalrUrl);
_hubConnections.Add(boxUid, hubConnection);
hubConnection.Headers.Add("Authorization", "Bearer " + token);
hubConnection.Headers.Add("X-FBox-ClientId", guid);
hubConnection.Headers.Add("X-FBox-Session", sessionId.ToString());
IHubProxy dataHubProxy = hubConnection.CreateHubProxy("clientHub");
dataHubProxy.On<int, List<GetValue>>("dMonUpdateValue",
(boxSessionId, values) =>
{
lock (_boxUidSessionId)
{
if (_boxUidSessionId.ContainsValue(boxSessionId))
{
Console.WriteLine($"Box session {boxSessionId} return at {DateTime.Now}");
var localBoxUid =
_boxUidSessionId.FirstOrDefault(p => p.Value == boxSessionId).Key;
var localBoxNo = _boxUidBoxNo[localBoxUid];
foreach (var value in values)
{
if (value.Status != 0)
{
lock (_machineData)
{
if (_boxUidDataGroups.ContainsKey(localBoxUid))
{
foreach (var dataGroupInner in _boxUidDataGroups[localBoxUid])
{
var dMonEntry =
dataGroupInner.DMonEntries.FirstOrDefault(
p => p.Uid == value.Id);
if (dMonEntry != null &&
_machineData.ContainsKey(localBoxNo + "," +
dataGroupInner.Name))
{
if (_machineData[localBoxNo + "," + dataGroupInner.Name]
.ContainsKey(dMonEntry.Desc))
{
_machineData[localBoxNo + "," + dataGroupInner.Name]
.Remove(dMonEntry.Desc);
}
}
}
}
}
return;
}
lock (_machineData)
{
if (_boxUidDataGroups.ContainsKey(localBoxUid))
{
foreach (var dataGroupInner in _boxUidDataGroups[localBoxUid])
{
if (dataGroupInner.DMonEntries.Any(p => p.Uid == value.Id))
{
if (
!_machineData.ContainsKey(localBoxNo + "," +
dataGroupInner.Name))
{
_machineData.Add(localBoxNo + "," + dataGroupInner.Name,
new Dictionary<string, double>());
}
if (_machineData[localBoxNo + "," + dataGroupInner.Name] ==
null)
{
_machineData[localBoxNo + "," + dataGroupInner.Name] =
new Dictionary<string, double>();
}
var dMonEntry =
dataGroupInner.DMonEntries.FirstOrDefault(
p => p.Uid == value.Id);
if (value.Value.HasValue && dMonEntry != null)
{
if (
_machineData[localBoxNo + "," + dataGroupInner.Name]
.ContainsKey(
dMonEntry.Desc))
{
_machineData[localBoxNo + "," + dataGroupInner.Name]
[dMonEntry.Desc] =
value.Value.Value;
}
else
{
_machineData[localBoxNo + "," + dataGroupInner.Name]
.Add(dMonEntry.Desc,
value.Value.Value);
}
}
break;
}
}
}
}
}
}
}
});
dataHubProxy.On<int, string, int, int>("boxConnectionStateChanged",
async (newConnectionToken, getBoxUid, oldStatus, newStatus) =>
{
using (await _lock.LockAsync())
{
if (_httpClient2.ContainsKey(getBoxUid))
{
Console.WriteLine(
$"Box uid {getBoxUid} change state at {DateTime.Now} new connectionToken {newConnectionToken} newStatus {newStatus}");
sessionId = newConnectionToken;
lock (_boxUidSessionId)
{
_boxUidSessionId[getBoxUid] = sessionId;
}
var localBoxNo = _boxUidBoxNo[getBoxUid];
var localDataGroups = _boxUidDataGroups[getBoxUid];
lock (_connectionTokenState)
{
foreach (var localDataGroup in localDataGroups)
{
if (
!_connectionTokenState.ContainsKey(localBoxNo + "," +
localDataGroup.Name))
{
_connectionTokenState.Add(localBoxNo + "," + localDataGroup.Name,
newStatus);
}
else
{
_connectionTokenState[localBoxNo + "," + localDataGroup.Name] =
newStatus;
}
}
}
_httpClient2[getBoxUid].DefaultRequestHeaders.Remove("X-FBox-Session");
_httpClient2[getBoxUid].DefaultRequestHeaders.Add("X-FBox-Session",
sessionId.ToString());
_hubConnections[getBoxUid].Headers["X-FBox-Session"] = sessionId.ToString();
if (_hubConnections[getBoxUid].State == ConnectionState.Disconnected)
{
await _hubConnections[getBoxUid].Start();
}
if (newStatus == 1)
{
foreach (var localDataGroup in localDataGroups)
{
if (_connectedDataGroupUid.Contains(localDataGroup.Uid))
{
await
_httpClient2[getBoxUid].PostAsync(
"dmon/group/" + localDataGroup.Uid + "/start", null);
}
}
}
}
}
});
hubConnection.Error += async ex =>
{
Console.WriteLine(@"SignalR error: {0}", ex.Message);
await ConnectRecovery(hubConnection);
};
hubConnection.Closed += async () =>
{
await ConnectRecovery(hubConnection);
};
ServicePointManager.DefaultConnectionLimit = 10;
foreach (var dataGroup in dataGroups)
{
if (dataGroup == null) return;
var groupUid = dataGroup.Uid;
var groupName = dataGroup.Name;
if (groupName != "(Default)" && groupName != "默认组" &&
!_connectionTokenState.ContainsKey(boxNo + "," + groupName))
{
_connectionTokenState.Add(boxNo + "," + groupName, 1);
}
if (groupName != "(Default)" && groupName != "默认组" &&
!_groupNameUid.ContainsKey(boxNo + "," + groupName))
{
_groupNameUid.Add(boxNo + "," + groupName, groupUid);
}
if (groupName != "(Default)" && groupName != "默认组" &&
!_groupNameBoxUid.ContainsKey(boxNo + "," + groupName))
{
_groupNameBoxUid.Add(boxNo + "," + groupName, boxUid);
}
if (groupName != "(Default)" && groupName != "默认组" && !_httpClient2.ContainsKey(boxUid))
{
_httpClient2.Add(boxUid, client2);
}
if (!_machineDataType.ContainsKey(boxNo + "," + groupName))
{
_machineDataType.Add(boxNo + "," + groupName, new Dictionary<string, Type>());
}
foreach (var dMonEntry in dataGroup.DMonEntries)
{
Type type;
switch (dMonEntry.DataType)
{
//位
case 0:
{
type = typeof (bool);
break;
}
//16位无符号
case 1:
{
type = typeof (ushort);
break;
}
//16位有符号
case 2:
{
type = typeof (short);
break;
}
//32位无符号
case 11:
{
type = typeof (uint);
break;
}
//32位有符号
case 12:
{
type = typeof (int);
break;
}
//16位BCD
case 3:
{
type = typeof (short);
break;
}
//32位BCD
case 13:
{
type = typeof (int);
break;
}
//浮点数
case 16:
{
type = typeof (float);
break;
}
//16位16进制
case 4:
{
type = typeof (short);
break;
}
//32位16进制
case 14:
{
type = typeof (int);
break;
}
//16位2进制
case 5:
{
type = typeof (short);
break;
}
//32位2进制
case 15:
{
type = typeof (int);
break;
}
default:
{
type = typeof (short);
break;
}
}
if (!_machineDataType[boxNo + "," + groupName].ContainsKey(dMonEntry.Desc))
{
_machineDataType[boxNo + "," + groupName].Add(dMonEntry.Desc, type);
}
else
{
_machineDataType[boxNo + "," + groupName][dMonEntry.Desc] = type;
}
}
}
await hubConnection.Start();
await dataHubProxy.Invoke("updateClientId", guid);
}
}
}
private async Task ConnectRecovery(HubConnection hubConnection)
{
using (await _lock.LockAsync())
{
string getBoxUid;
lock (_boxUidSessionId)
{
getBoxUid =
_boxUidSessionId.FirstOrDefault(
p => p.Value == int.Parse(hubConnection.Headers["X-FBox-Session"])).Key;
}
try
{
if (hubConnection.State != ConnectionState.Connected)
{
try
{
hubConnection.Stop();
}
catch
{
// ignored
}
await hubConnection.Start();
var localDataGroups = _boxUidDataGroups[getBoxUid];
foreach (var localDataGroup in localDataGroups)
{
if (_connectedDataGroupUid.Contains(localDataGroup.Uid))
{
await
_httpClient2[getBoxUid].PostAsync(
"dmon/group/" + localDataGroup.Uid + "/start", null);
}
}
}
}
catch
{
if (_boxUidBoxNo.ContainsKey(getBoxUid))
{
var localBoxNo = _boxUidBoxNo[getBoxUid];
lock (_machineData)
{
foreach (var machineDataUnit in _machineData)
{
if (machineDataUnit.Key.Contains(localBoxNo))
{
_machineData.Remove(machineDataUnit.Key);
}
}
}
}
var localDataGroups = _boxUidDataGroups[getBoxUid];
foreach (var localDataGroup in localDataGroups)
{
_connectedDataGroupUid.RemoveWhere(p => p == localDataGroup.Uid);
}
_connected = false;
}
}
}
public override bool Disconnect()
{
return AsyncHelper.RunSync(DisconnectAsync);
}
public async Task<bool> DisconnectAsync()
{
try
{
using (await _lock.LockAsync())
{
if (_groupNameBoxUid.ContainsKey(ConnectionToken) && _hubConnections.ContainsKey(_groupNameBoxUid[ConnectionToken]) &&
_httpClient2.ContainsKey(_groupNameBoxUid[ConnectionToken]) &&
_groupNameUid.ContainsKey(ConnectionToken))
{
await
_httpClient2[_groupNameBoxUid[ConnectionToken]].PostAsync(
"dmon/group/" + _groupNameUid[ConnectionToken] + "/stop",
null);
_connectedDataGroupUid.RemoveWhere(p => p == _groupNameUid[ConnectionToken]);
_connected = false;
Console.WriteLine("SignalR Disconnect success");
return true;
}
else
{
Console.WriteLine("SignalR Disconnect failed");
return false;
}
}
}
catch
{
Console.WriteLine("SignalR Disconnect failed");
return false;
}
}
public override bool SendMsgWithoutReturn(byte[] message)
{
throw new NotImplementedException();
}
public override Task<bool> SendMsgWithoutReturnAsync(byte[] message)
{
throw new NotImplementedException();
}
public override byte[] SendMsg(byte[] message)
{
if (!_httpClient.ContainsKey(Msg))
{
_connected = false;
return null;
}
var formater = new AddressFormaterFBox();
var translator = new AddressTranslatorFBox();
byte[] ans;
lock (_connectionTokenState)
{
if (_connectionTokenState.ContainsKey(ConnectionToken) && _connectionTokenState[ConnectionToken] != 1)
{
_connected = false;
Console.WriteLine($"Return Value Rejected with connectionToken {ConnectionToken}");
return null;
}
}
lock (_machineData)
{
if (!_machineData.ContainsKey(ConnectionToken) || !_machineDataType.ContainsKey(ConnectionToken))
{
_connected = false;
Console.WriteLine($"Return Value Rejected with connectionToken {ConnectionToken}");
return null;
}
var machineDataValue = _machineData[ConnectionToken];
var machineDataType = _machineDataType[ConnectionToken];
if (machineDataValue != null && machineDataType.Count == 0)
{
_connected = false;
Console.WriteLine($"Return Value Rejected with connectionToken {ConnectionToken}");
return null;
}
int pos = 0;
int area = BigEndianValueHelper.Instance.GetInt(message, ref pos);
int address = BigEndianValueHelper.Instance.GetInt(message, ref pos);
//short count = BigEndianValueHelper.Instance.GetShort(message, ref pos);
object[] dataAns = new object[1];
try
{
dataAns[0] =
Convert.ChangeType(
machineDataValue[formater.FormatAddress(translator.GetAreaName(area), address)],
machineDataType[formater.FormatAddress(translator.GetAreaName(area), address)]);
}
catch (Exception)
{
dataAns[0] =
Convert.ChangeType(
0,
machineDataType[formater.FormatAddress(translator.GetAreaName(area), address)]);
}
finally
{
ans = BigEndianValueHelper.Instance.ObjectArrayToByteArray(dataAns);
}
}
return ans;
}
public override Task<byte[]> SendMsgAsync(byte[] message)
{
return Task.Factory.StartNew(() => SendMsg(message));
}
}
}

View File

@@ -1,16 +0,0 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ModBus.Net.FBox
{
public class SignalRProtocalLinker : ProtocalLinker
{
protected SignalRProtocalLinker(string machineId, string localSequence, SignalRSigninMsg msg)
{
_baseConnector = new SignalRConnector(machineId, localSequence, msg);
}
}
}

View File

@@ -47,6 +47,30 @@
<HintPath>..\packages\Newtonsoft.Json.7.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
<Private>True</Private>
</Reference>
<Reference Include="Opc.Ua.Client, Version=1.2.334.4, Culture=neutral, processorArchitecture=MSIL">
<SpecificVersion>False</SpecificVersion>
<HintPath>..\packages_local\Opc.Ua.Client.dll</HintPath>
</Reference>
<Reference Include="Opc.Ua.Configuration, Version=1.2.334.4, Culture=neutral, processorArchitecture=MSIL">
<SpecificVersion>False</SpecificVersion>
<HintPath>..\packages_local\Opc.Ua.Configuration.dll</HintPath>
</Reference>
<Reference Include="Opc.Ua.Core, Version=1.2.334.4, Culture=neutral, processorArchitecture=MSIL">
<SpecificVersion>False</SpecificVersion>
<HintPath>..\packages_local\Opc.Ua.Core.dll</HintPath>
</Reference>
<Reference Include="OpcComRcw, Version=2.0.105.1, Culture=neutral, PublicKeyToken=9a40e993cbface53, processorArchitecture=MSIL">
<SpecificVersion>False</SpecificVersion>
<HintPath>..\packages_local\OpcComRcw.dll</HintPath>
</Reference>
<Reference Include="OpcNetApi, Version=2.1.105.1, Culture=neutral, PublicKeyToken=9a40e993cbface53, processorArchitecture=MSIL">
<SpecificVersion>False</SpecificVersion>
<HintPath>..\packages_local\OpcNetApi.dll</HintPath>
</Reference>
<Reference Include="OpcNetApi.Com, Version=2.1.105.1, Culture=neutral, PublicKeyToken=9a40e993cbface53, processorArchitecture=MSIL">
<SpecificVersion>False</SpecificVersion>
<HintPath>..\packages_local\OpcNetApi.Com.dll</HintPath>
</Reference>
<Reference Include="System" />
<Reference Include="System.Core" />
<Reference Include="System.Net.Http" />
@@ -97,14 +121,23 @@
<Compile Include="Modbus\ModbusRtuProtocal.cs" />
<Compile Include="Modbus\ModbusRtuProtocalLinker.cs" />
<Compile Include="Modbus\ModbusTcpProtocalLinker.cs" />
<Compile Include="OPC\AddressFormaterOpc.cs" />
<Compile Include="OPC\DaClientExtend.cs" />
<Compile Include="OPC\FBox\FBoxOpcDaManchine.cs" />
<Compile Include="OPC\OpcDaConnector.cs" />
<Compile Include="OPC\OpcDaMachine.cs" />
<Compile Include="OPC\OpcDaProtocal.cs" />
<Compile Include="OPC\OpcDaProtocalLinker.cs" />
<Compile Include="OPC\OpcDaUtility.cs" />
<Compile Include="OPC\OpcProtocal.cs" />
<Compile Include="ProtocalLinker.cs" />
<Compile Include="ProtocalLinkerBytesExtend.cs" />
<Compile Include="ProtocalUnit.cs" />
<Compile Include="Modbus\ModbusProtocal.cs" />
<Compile Include="Modbus\ModbusTcpProtocal.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="FBox\SignalRConnector.cs" />
<Compile Include="FBox\SignalRProtocalLinker.cs" />
<Compile Include="FBox\FBoxConnector.cs" />
<Compile Include="FBox\FBoxProtocalLinker.cs" />
<Compile Include="Siemens\AddressFormaterSiemens.cs" />
<Compile Include="Siemens\AddressTranslatorSiemens.cs" />
<Compile Include="Siemens\SiemensMachine.cs" />
@@ -131,6 +164,12 @@
<None Include="LICENSE.md" />
<None Include="packages.config" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\h-opc\h-opc.csproj">
<Project>{4f43b6f0-0c32-4c34-978e-9b8b5b0b6e80}</Project>
<Name>h-opc</Name>
</ProjectReference>
</ItemGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
Other similar extension points exist, see Microsoft.Common.targets.

View File

@@ -0,0 +1,34 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ModBus.Net.OPC
{
public class AddressFormaterOpc : AddressFormater
{
public BaseMachine Machine { get; set; }
protected Func<BaseMachine, AddressUnit, string[]> TagGeter { get; set; }
public AddressFormaterOpc(Func<BaseMachine, AddressUnit, string[]> tagGeter)
{
TagGeter = tagGeter;
}
public override string FormatAddress(string area, int address)
{
var findAddress = Machine?.GetAddresses.FirstOrDefault(p => p.Area == area && p.Address == address);
if (findAddress == null) return null;
var strings = TagGeter(Machine, findAddress);
var ans = "";
for (int i = 0; i < strings.Length; i++)
{
ans += strings[i].Trim().Replace(" ", "") + ".";
}
ans = ans.Substring(0, ans.Length - 1);
return ans;
}
}
}

View File

@@ -0,0 +1,50 @@
using System;
using System.Threading.Tasks;
using Opc.Da;
namespace Hylasoft.Opc.Da
{
/// <summary>
/// Read value full result
/// </summary>
public class OpcValueResult
{
public object Value { get; set; }
public DateTime Timestamp { get; set; }
public bool QualityGood { get; set; }
}
public class MyDaClient : DaClient
{
/// <summary>
/// Write a value on the specified opc tag
/// </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` writes on the tag `bar` on the folder `foo`</param>
public OpcValueResult Read(string tag)
{
var item = new Item { ItemName = tag };
var result = _server.Read(new[] { item })[0];
CheckResult(result, tag);
return new OpcValueResult()
{
Value = result.Value,
Timestamp = result.Timestamp,
QualityGood = result.Quality == Quality.Good
};
}
/// <summary>
/// Read a tag asynchronusly
/// </summary>
public Task<OpcValueResult> ReadAsync(string tag)
{
return Task.Run(() => Read(tag));
}
public MyDaClient(Uri serverUrl) : base(serverUrl)
{
}
}
}

View File

@@ -0,0 +1,37 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ModBus.Net.OPC.FBox
{
public class FBoxOpcDaMachine : OpcDaMachine
{
public string LocalSequence { get; set; }
public string LinkerName { get; set; }
public FBoxOpcDaMachine(string localSequence, string linkerName,
IEnumerable<AddressUnit> getAddresses, bool keepConnect) : base(ConfigurationManager.FBoxOpcDaHost, getAddresses, keepConnect)
{
LocalSequence = localSequence;
LinkerName = linkerName;
AddressFormater =
new AddressFormaterOpc(
((machine, unit) =>
new string[]
{
"他人分享", ((FBoxOpcDaMachine) machine).LinkerName, ((FBoxOpcDaMachine) machine).LocalSequence,
unit.Name
}));
((AddressFormaterOpc)AddressFormater).Machine = this;
}
public FBoxOpcDaMachine(string localSequence, string linkerName,
IEnumerable<AddressUnit> getAddresses)
: this(localSequence, linkerName, getAddresses, false)
{
}
}
}

View File

@@ -0,0 +1,123 @@
using System;
using System.Collections.Generic;
using System.Diagnostics.Eventing.Reader;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Hylasoft.Opc.Common;
using Hylasoft.Opc.Da;
namespace ModBus.Net.OPC
{
public class OpcDaConnector : BaseConnector
{
public override string ConnectionToken { get; }
protected bool _connect;
public override bool IsConnected => _connect;
protected static Dictionary<string, OpcDaConnector> _instances = new Dictionary<string, OpcDaConnector>();
protected MyDaClient _daClient;
protected OpcDaConnector(string host)
{
ConnectionToken = host;
}
public static OpcDaConnector Instance(string host)
{
if (!_instances.ContainsKey(host))
{
var connector = new OpcDaConnector(host);
_instances.Add(host, connector);
}
return _instances[host];
}
public override bool Connect()
{
try
{
_daClient = new MyDaClient(new Uri(ConnectionToken));
_daClient.Connect();
_connect = true;
AddInfo("client connected.");
return true;
}
catch (Exception ex)
{
AddInfo("client connected exception: " + ex.Message);
AddInfo("connect failed.");
_connect = false;
return false;
}
}
public override Task<bool> ConnectAsync()
{
return Task.FromResult(Connect());
}
public override bool Disconnect()
{
try
{
_daClient?.Dispose();
_daClient = null;
_connect = false;
AddInfo("client disconnected successfully.");
return true;
}
catch (Exception ex)
{
AddInfo("client disconnected exception: " + ex.Message);
_connect = false;
return false;
}
}
public override bool SendMsgWithoutReturn(byte[] message)
{
throw new NotImplementedException();
}
public override Task<bool> SendMsgWithoutReturnAsync(byte[] message)
{
throw new NotImplementedException();
}
public override byte[] SendMsg(byte[] message)
{
return AsyncHelper.RunSync(() => SendMsgAsync(message));
}
public override async Task<byte[]> SendMsgAsync(byte[] message)
{
try
{
string tag = Encoding.UTF8.GetString(message);
var result = await _daClient.ReadAsync(tag);
if (result.QualityGood)
{
return BigEndianValueHelper.Instance.GetBytes(result.Value, result.Value.GetType());
}
else
{
return Encoding.ASCII.GetBytes("NoData");
}
}
catch (Exception e)
{
//AddInfo("opc client exception:" + e);
return Encoding.ASCII.GetBytes("NoData");
//return null;
}
}
private void AddInfo(string message)
{
Console.WriteLine(message);
}
}
}

View File

@@ -0,0 +1,23 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ModBus.Net.OPC
{
public class OpcDaMachine : BaseMachine
{
public OpcDaMachine(string connectionString, IEnumerable<AddressUnit> getAddresses, bool keepConnect)
: base(getAddresses, keepConnect)
{
BaseUtility = new OpcDaUtility(connectionString);
AddressCombiner = new AddressCombinerSingle();
}
public OpcDaMachine(string connectionString, IEnumerable<AddressUnit> getAddresses)
: this(connectionString, getAddresses, false)
{
}
}
}

View File

@@ -0,0 +1,34 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ModBus.Net.OPC
{
public class OpcDaProtocal : OpcProtocal
{
private int _connectTryCount;
private readonly string _host;
public OpcDaProtocal(string host)
{
_host = host;
}
public override bool Connect()
{
return AsyncHelper.RunSync(ConnectAsync);
}
public override async Task<bool> ConnectAsync()
{
_connectTryCount++;
ProtocalLinker = new OpcDaProtocalLinker(_host);
if (!await ProtocalLinker.ConnectAsync()) return false;
_connectTryCount = 0;
return true;
}
}
}

View File

@@ -0,0 +1,30 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ModBus.Net.OPC
{
public class OpcDaProtocalLinker : ProtocalLinker
{
public OpcDaProtocalLinker() : this(ConfigurationManager.OpcDaHost)
{
}
public OpcDaProtocalLinker(string host)
{
_baseConnector = OpcDaConnector.Instance(host);
}
public override bool CheckRight(byte[] content)
{
if (content != null && content.Length == 6 && Encoding.ASCII.GetString(content) == "NoData")
{
return false;
}
return base.CheckRight(content);
}
}
}

View File

@@ -0,0 +1,43 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ModBus.Net.OPC
{
public class OpcDaUtility : BaseUtility
{
public OpcDaUtility(string connectionString)
{
ConnectionString = connectionString;
AddressTranslator = null;
Wrapper = new OpcDaProtocal(ConnectionString);
}
public override void SetConnectionType(int connectionType)
{
}
protected override async Task<byte[]> GetDatasAsync(byte belongAddress, byte masterAddress, string startAddress, int getByteCount)
{
try
{
var readRequestOpcInputStruct = new ReadRequestOpcInputStruct(startAddress, getByteCount);
var readRequestOpcOutputStruct =
await
Wrapper.SendReceiveAsync(Wrapper[typeof(ReadRequestOpcProtocal)], readRequestOpcInputStruct) as ReadRequestOpcOutputStruct;
return readRequestOpcOutputStruct?.GetValue;
}
catch (Exception)
{
return null;
}
}
public override Task<bool> SetDatasAsync(byte belongAddress, byte masterAddress, string startAddress, object[] setContents)
{
throw new NotImplementedException();
}
}
}

View File

@@ -0,0 +1,123 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ModBus.Net.OPC
{
public abstract class OpcProtocal : BaseProtocal
{
}
public class ReadRequestOpcInputStruct : InputStruct
{
public ReadRequestOpcInputStruct(string tag, int getCount)
{
Tag = tag;
GetCount = getCount;
}
public string Tag { get; private set; }
public int GetCount { get; private set; }
}
public class ReadRequestOpcOutputStruct : OutputStruct
{
public ReadRequestOpcOutputStruct(byte[] value)
{
GetValue = value;
}
public byte[] GetValue { get; private set; }
}
public class ReadRequestOpcProtocal : SpecialProtocalUnit
{
public override byte[] Format(InputStruct message)
{
var r_message = (ReadRequestOpcInputStruct) message;
return Format(Encoding.UTF8.GetBytes(r_message.Tag));
}
public override OutputStruct Unformat(byte[] messageBytes, ref int pos)
{
return new ReadRequestOpcOutputStruct(messageBytes);
}
}
/*public class WriteRequestSiemensInputStruct : InputStruct
{
public WriteRequestSiemensInputStruct(ushort pduRef, string startAddress, object[] writeValue, AddressTranslator addressTranslator)
{
PduRef = pduRef;
var address = addressTranslator.AddressTranslate(startAddress, true);
Offset = address.Key;
int area = address.Value;
Area = (byte)(area % 256);
DbBlock = Area == 0x84 ? (ushort)(area / 256) : (ushort)0;
WriteValue = writeValue;
}
public ushort PduRef { get; private set; }
public ushort DbBlock { get; private set; }
public byte Area { get; private set; }
public int Offset { get; private set; }
public object[] WriteValue { get; private set; }
}
public class WriteRequestSiemensOutputStruct : OutputStruct
{
public WriteRequestSiemensOutputStruct(ushort pduRef, SiemensAccessResult accessResult)
{
PduRef = pduRef;
AccessResult = accessResult;
}
public ushort PduRef { get; private set; }
public SiemensAccessResult AccessResult { get; private set; }
}
public class WriteRequestSiemensProtocal : ProtocalUnit
{
public override byte[] Format(InputStruct message)
{
var r_message = (WriteRequestSiemensInputStruct)message;
byte[] valueBytes = BigEndianValueHelper.Instance.ObjectArrayToByteArray(r_message.WriteValue);
const byte protoId = 0x32;
const byte rosctr = 0x01;
const ushort redId = 0x0000;
ushort pduRef = r_message.PduRef;
const ushort parLg = 14; // 参数字节数2+12的倍数目前仅为14
ushort datLg = (ushort)(4 + valueBytes.Length); // 数据字节数
const byte serviceId = 0x05;
const byte numberOfVariables = 1;
const byte variableSpec = 0x12;
const byte vAddrLg = 0x0A;
const byte syntaxId = 0x10;
const byte typeR = (byte)SiemensTypeCode.Byte;
ushort numberOfElements = (ushort)valueBytes.Length;
ushort dbBlock = r_message.DbBlock;
byte area = r_message.Area;
int offsetBit = r_message.Offset * 8;
byte[] offsetBitBytes = BigEndianValueHelper.Instance.GetBytes(offsetBit);
const byte reserved = 0x00;
const byte type = (byte)SiemensDataType.OtherAccess;
ushort numberOfWriteBits = (ushort)(valueBytes.Length * 8);
return Format(new byte[7], protoId, rosctr, redId, pduRef, parLg, datLg, serviceId, numberOfVariables
, variableSpec, vAddrLg, syntaxId, typeR, numberOfElements, dbBlock, area,
offsetBitBytes.Skip(1).ToArray(), reserved, type, numberOfWriteBits, valueBytes);
}
public override OutputStruct Unformat(byte[] messageBytes, ref int pos)
{
pos = 4;
ushort pduRef = BigEndianValueHelper.Instance.GetUShort(messageBytes, ref pos);
pos = 14;
byte accessResult = BigEndianValueHelper.Instance.GetByte(messageBytes, ref pos);
return new WriteRequestSiemensOutputStruct(pduRef, (SiemensAccessResult)accessResult);
}
}*/
}

View File

@@ -35,5 +35,5 @@ using System.Runtime.InteropServices;
// 方法是按如下所示使用“*”:
// [assembly: AssemblyVersion("1.0.*")]
[assembly: AssemblyVersion("0.4.0.0119")]
[assembly: AssemblyFileVersion("0.4.0.0119")]
[assembly: AssemblyVersion("0.4.5.0128")]
[assembly: AssemblyFileVersion("0.4.5.0128")]

View File

@@ -1,4 +1,5 @@
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
namespace ModBus.Net

View File

@@ -136,6 +136,78 @@ namespace ModBus.Net
return BitConverter.GetBytes(value);
}
/// <summary>
/// 将object数字转换为byte数组
/// </summary>
/// <param name="value"></param>
/// <param name="type"></param>
/// <returns></returns>
public virtual Byte[] GetBytes(object value, Type type)
{
ValueHelper Instance;
if (this is BigEndianValueHelper)
{
Instance = BigEndianValueHelper.Instance;
}
else
{
Instance = ValueHelper.Instance;
}
switch (type.FullName)
{
case "System.Int16":
{
byte[] bytes = Instance.GetBytes((short) value);
return bytes;
}
case "System.Int32":
{
byte[] bytes = Instance.GetBytes((int) value);
return bytes;
}
case "System.Int64":
{
byte[] bytes = Instance.GetBytes((long) value);
return bytes;
}
case "System.UInt16":
{
byte[] bytes = Instance.GetBytes((ushort) value);
return bytes;
}
case "System.UInt32":
{
byte[] bytes = Instance.GetBytes((uint) value);
return bytes;
}
case "System.UInt64":
{
byte[] bytes = Instance.GetBytes((ulong) value);
return bytes;
}
case "System.Single":
{
byte[] bytes = Instance.GetBytes((float) value);
return bytes;
}
case "System.Double":
{
byte[] bytes = Instance.GetBytes((double) value);
return bytes;
}
case "System.Byte":
{
byte[] bytes = Instance.GetBytes((byte) value);
return bytes;
}
default:
{
throw new NotImplementedException("没有实现除整数以外的其它转换方式");
}
}
}
/// <summary>
/// 将byte数组中相应的位置转换为对应类型的数字
/// </summary>

View File

@@ -0,0 +1,11 @@
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
<bindingRedirect oldVersion="0.0.0.0-7.0.0.0" newVersion="7.0.0.0" />
</dependentAssembly>
</assemblyBinding>
</runtime>
</configuration>

View File

@@ -18,6 +18,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
..\README.md = ..\README.md
EndProjectSection
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "h-opc", "h-opc\h-opc.csproj", "{4F43B6F0-0C32-4C34-978E-9B8B5B0B6E80}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
@@ -44,6 +46,10 @@ Global
{02CE1787-291A-47CB-A7F7-929DA1D920A2}.Debug|Any CPU.Build.0 = Debug|Any CPU
{02CE1787-291A-47CB-A7F7-929DA1D920A2}.Release|Any CPU.ActiveCfg = Release|Any CPU
{02CE1787-291A-47CB-A7F7-929DA1D920A2}.Release|Any CPU.Build.0 = Release|Any CPU
{4F43B6F0-0C32-4C34-978E-9B8B5B0B6E80}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{4F43B6F0-0C32-4C34-978E-9B8B5B0B6E80}.Debug|Any CPU.Build.0 = Debug|Any CPU
{4F43B6F0-0C32-4C34-978E-9B8B5B0B6E80}.Release|Any CPU.ActiveCfg = Release|Any CPU
{4F43B6F0-0C32-4C34-978E-9B8B5B0B6E80}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE

View File

@@ -1,6 +1,14 @@
<?xml version="1.0" encoding="utf-8"?>
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6"/>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6" />
</startup>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
<bindingRedirect oldVersion="0.0.0.0-7.0.0.0" newVersion="7.0.0.0" />
</dependentAssembly>
</assemblyBinding>
</runtime>
</configuration>

View File

@@ -1,6 +1,14 @@
<?xml version="1.0" encoding="utf-8"?>
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6"/>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6" />
</startup>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
<bindingRedirect oldVersion="0.0.0.0-7.0.0.0" newVersion="7.0.0.0" />
</dependentAssembly>
</assemblyBinding>
</runtime>
</configuration>

View File

@@ -1,6 +1,14 @@
<?xml version="1.0" encoding="utf-8"?>
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6"/>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6" />
</startup>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
<bindingRedirect oldVersion="0.0.0.0-7.0.0.0" newVersion="7.0.0.0" />
</dependentAssembly>
</assemblyBinding>
</runtime>
</configuration>

View File

@@ -0,0 +1,27 @@
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 T ReadOrdefault<T>(this IClient<Node> client, string tag, T defaultValue = default(T))
{
try
{
return client.Read<T>(tag);
}
catch (OpcException)
{
return defaultValue;
}
}
}
}

View File

@@ -0,0 +1,94 @@
using System;
using System.Collections.Generic;
using System.Threading.Tasks;
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>
/// 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>
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>
void Monitor<T>(string tag, Action<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>
Task<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);
}
}

View File

@@ -0,0 +1,48 @@
using System.Collections.Generic;
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;
}
}
}

View File

@@ -0,0 +1,70 @@
using Opc.Ua;
using System;
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);
}
}
}

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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
}
}

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using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Threading;
using Hylasoft.Opc.Common;
using Opc;
using Factory = OpcCom.Factory;
using OpcDa = Opc.Da;
namespace Hylasoft.Opc.Da
{
/// <summary>
/// Client Implementation for DA
/// </summary>
public partial class DaClient : IClient<DaNode>
{
private readonly URL _url;
protected OpcDa.Server _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</param>
public DaClient(Uri serverUrl)
{
_url = new URL(serverUrl.AbsolutePath)
{
Scheme = serverUrl.Scheme,
HostName = serverUrl.Host
};
}
#region interface methods
/// <summary>
/// Connect the client to the OPC Server
/// </summary>
public void Connect()
{
if (Status == OpcStatus.Connected)
return;
_server = new OpcDa.Server(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.GetStatus().ServerState != OpcDa.serverState.running)
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 T Read<T>(string tag)
{
var item = new OpcDa.Item { ItemName = tag };
var result = _server.Read(new[] { item })[0];
CheckResult(result, tag);
return (T)result.Value;
}
/// <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.ItemValue
{
ItemName = tag,
Value = item
};
var result = _server.Write(new[] { itmVal })[0];
CheckResult(result, tag);
}
/// <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>
public void Monitor<T>(string tag, Action<T, Action> callback)
{
var subItem = new OpcDa.SubscriptionState
{
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.DataChanged += (handle, requestHandle, values) =>
callback((T)values[0].Value, unsubscribe);
sub.AddItems(new[] { new OpcDa.Item { 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.Item { ItemName = tag };
var result = _server.Read(new[] { item })[0];
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.BrowsePosition p;
var nodes = _server.Browse(new ItemIdentifier(parent.Tag), new OpcDa.BrowseFilters(), 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>
protected void AddNodeToCache(DaNode node)
{
if (!_nodesCache.ContainsKey(node.Tag))
_nodesCache.Add(node.Tag, node);
}
protected static void CheckResult(IResult result, string tag)
{
if (result == null)
throw new OpcException("The server replied with an empty response");
if (result.ResultID.ToString() != "S_OK")
throw new OpcException(string.Format("Invalid response from the server. (Response Status: {0}, Opc Tag: {1})", result.ResultID, tag));
}
}
}

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using System.Collections.Generic;
using System.Threading.Tasks;
using Hylasoft.Opc.Common;
using OpcDa = Opc.Da;
namespace Hylasoft.Opc.Da
{
/// <summary>
/// Client Implementation for DA
/// </summary>
public partial class DaClient
{
/// <summary>
/// Read a tag asynchronusly
/// </summary>
public async Task<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));
}
}
}

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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;
}
}
}

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using System.Reflection;
using System.Runtime.InteropServices;
// General Information about an assembly is controlled through the following
// set of attributes. Change these attribute values to modify the information
// associated with an assembly.
[assembly: AssemblyTitle("h-opc")]
[assembly: AssemblyDescription("")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("hylasoft")]
[assembly: AssemblyProduct("h-opc")]
[assembly: AssemblyCopyright(" ")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]
// Setting ComVisible to false makes the types in this assembly not visible
// to COM components. If you need to access a type in this assembly from
// COM, set the ComVisible attribute to true on that type.
[assembly: ComVisible(false)]
// The following GUID is for the ID of the typelib if this project is exposed to COM
[assembly: Guid("cec4db47-9316-4591-a7e7-35118fb1e375")]
// Version information for an assembly consists of the following four values:
//
// Major Version
// Minor Version
// Build Number
// Revision
//
// You can specify all the values or you can default the Build and Revision Numbers
// by using the '*' as shown below:
// [assembly: AssemblyVersion("0.4.0")]
[assembly: AssemblyVersion("0.4.0")]
[assembly: AssemblyFileVersion("0.4.0")]

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<StyleCopSettings Version="105" >
<GlobalSettings>
<BooleanProperty Name="RulesEnabledByDefault">False</BooleanProperty>
</GlobalSettings>
</StyleCopSettings>

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using System.Linq;
using Opc.Ua;
using System;
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;
}
}
}
}

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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);
}
}
}

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using Hylasoft.Opc.Common;
using Opc.Ua;
using Opc.Ua.Client;
using Opc.Ua.Configuration;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
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;
protected 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>
/// Options to configure the UA client session
/// </summary>
public UaClientOptions Options
{
get { return _options; }
}
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);
_session.KeepAlive += SessionKeepAlive;
_session.SessionClosing += SessionClosing;
PostInitializeSession();
}
private void SessionKeepAlive(Session 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()
{
if (Status != OpcStatus.Connected)
return;
Status = OpcStatus.NotConnected;
_session.Reconnect();
Status = OpcStatus.Connected;
}
/// <summary>
/// Create a new OPC session, based on the current session parameters.
/// </summary>
public void RecreateSession()
{
if (Status != OpcStatus.Connected)
return;
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 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];
CheckReturnValue(val.StatusCode);
return (T)val.Value;
}
/// <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<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<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);
CheckReturnValue(results[0].StatusCode);
var val = results[0];
taskCompletionSource.TrySetResult((T)val.Value);
}
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<T>();
_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]);
}
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 the new value of the node, the second is an `unsubscribe` function to unsubscribe the callback</param>
public void Monitor<T>(string tag, Action<T, Action> callback)
{
var node = FindNode(tag);
var sub = new Subscription
{
PublishingInterval = _options.DefaultMonitorInterval,
PublishingEnabled = true,
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();
};
callback((T)t, 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
_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);
}
protected 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>
protected void AddNodeToCache(UaNode node)
{
if (!_nodesCache.ContainsKey(node.Tag))
_nodesCache.Add(node.Tag, node);
}
/// <summary>
/// Crappy method to initialize the session. I don't know what many of these things do, sincerely.
/// </summary>
private 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,
SecurityConfiguration = new SecurityConfiguration
{
AutoAcceptUntrustedCertificates = _options.AutoAcceptUntrustedCertificates
},
TransportQuotas = new TransportQuotas
{
OperationTimeout = 600000,
MaxStringLength = 1048576,
MaxByteStringLength = 1048576,
MaxArrayLength = 65535,
MaxMessageSize = 4194304,
MaxBufferSize = 65535,
ChannelLifetime = 300000,
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 = 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: null,
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);
}
return folders.Length == 1
? found // last node, return it
: FindNode(string.Join(".", folders.Except(new[] { head })), 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;
}
}

View File

@@ -0,0 +1,64 @@
using System;
using System.Security.Cryptography.X509Certificates;
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 applicaiton 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; }
internal UaClientOptions()
{
// Initialize default values:
ApplicationName = "h-opc-client";
AutoAcceptUntrustedCertificates = true;
ConfigSectionName = "h-opc-client";
DefaultMonitorInterval = 100;
SessionName = "h-opc-client";
SessionTimeout = 60000U;
UseMessageSecurity = false;
}
}
}

View File

@@ -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;
}
}
}

View File

@@ -0,0 +1,107 @@
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<ItemGroup>
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</Reference>
<Reference Include="Opc.Ua.Configuration">
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<Reference Include="Opc.Ua.Core">
<HintPath>..\ext_packages\Opc.Ua.Core.dll</HintPath>
</Reference>
<Reference Include="OpcComRcw">
<HintPath>..\ext_packages\OpcComRcw.dll</HintPath>
</Reference>
<Reference Include="OpcNetApi">
<HintPath>..\ext_packages\OpcNetApi.dll</HintPath>
</Reference>
<Reference Include="OpcNetApi.Com">
<HintPath>..\ext_packages\OpcNetApi.Com.dll</HintPath>
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<Reference Include="System" />
<Reference Include="System.Core" />
<Reference Include="System.Xml.Linq" />
<Reference Include="System.Data.DataSetExtensions" />
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<Compile Include="Common\OpcStatus.cs" />
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<Compile Include="Ua\NodeExtensions.cs" />
<Compile Include="Ua\UaClientOptions.cs" />
<Compile Include="Ua\UaNode.cs" />
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<Target Name="packages_BuildTools_StyleCop_4_7_49_0_tools_StyleCop_targets" Condition="$(StyleCopOutputFile)==''" BeforeTargets="BeforeBuild">
<Error Text="BuildTools_StyleCop - the BuildTools_StyleCop package has not been restored.&#xD;&#xA;If you are running this from an IDE, make sure NuGet Package Restore has been enabled, then reload the solution and re-run the build.&#xD;&#xA;If you are running this from the command line, run the build again.&#xD;&#xA;If this is a CI server, you may want to make sure NuGet Package Restore runs before your build with:&#xD;&#xA; msbuild solution.sln /t:restorepackages" />
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View File

@@ -0,0 +1,5 @@
<?xml version="1.0" encoding="utf-8"?>
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View File

@@ -7,6 +7,8 @@ Caution: I really want to implement the COM communication system, but nowaday Us
Caution2: In the current version, you can't get bit or set bit in this library. Please get a byte, change the bit value in the byte, and set to PLC. I will fix this bug in future.
Reference: <b>"h-opc"</b> is linked by [https://github.com/hylasoft-usa/h-opc](https://github.com/hylasoft-usa/h-opc)
Table of Content:
* [Features](#features)
* [Usage](#usage)
@@ -17,6 +19,7 @@ Table of Content:
* A open platform that you can easy to extend a industrial communication protocal.
* Modbus Tcp protocal.
* Siemens Tcp protocal (acturally it is the same as Profinet)
* OPC DA protocal.
* All communications can be asyncronized.
* A task manager that you can easily manage multiple connections.
* .net framework 4.6 and Visual Studio 2015 support.