/// <summary>
/// This removes the OPC group items, opc group and disconnects and nulls the OPC server connection.
/// </summary>
public void Disconnect()
{
try
{
if (_opcserver == null)
{
return;
}
if (!IsConnected())
{
return;
}
agent.StoreEvent(DateTime.Now.ToString("s"), device, "power", "OFF", null, null, null, null, null, null);
if (opcgroup != null)
{
opcgroup.RemoveItems(handlesSrv, out aE);
opcgroup.Remove(false);
}
_opcserver.Disconnect();
opcgroup = null;
_opcserver = null;
}
catch (Exception e)
{
LogMessage("OPC Disconnect Error: " + e.Message, Logger.ERROR);
_opcserver = null;
}
}
/// <summary>
/// This removes the OPC group iutem, opc group and disconnects and nulls the OPC server connection.
/// </summary>
public void Disconnect()
{
try
{
if (_opcserver == null)
{
return;
}
if (!IsConnected())
{
return;
}
if (opcgroup != null)
{
opcgroup.RemoveItems(handlesSrv, out aE);
opcgroup.Remove(false);
}
_opcserver.Disconnect();
opcgroup = null;
_opcserver = null;
}
catch (Exception e)
{
LogMessage("OPC Disconnect Error: " + e.Message, LogLevel.ERROR);
_opcserver = null;
}
}
/// <summary>
/// 与OPC服务断开
/// </summary>
public void DisconnectRemoteServer()
{
if (Thread_Reconn != null)
{
Thread_Reconn.Abort();
Thread_Reconn = null;
}
if (!OpcConnected)
{
return;
}
if (OpcServer != null)
{
OpcServer.OPCGroups.RemoveAll();
OpcServer.Disconnect();
OpcServer = null;
ListGroupInfo.ForEach(g => g.Dispose());
ListGroupInfo.Clear();
}
OpcConnected = false;
}
/// <summary>
/// OPC服务枚举
/// </summary>
/// <param name="ipAddress">IP地址</param>
/// <param name="message">返回信息</param>
/// <returns></returns>
public string[] ServerEnum(string ipAddress, out string message)
{
Array array = null;
message = string.Empty;
try
{
if (string.IsNullOrWhiteSpace(ipAddress))
{
message = "IP地址为空";
return(null);
}
if (OpcServer == null)
{
OpcServer = new OPCServer();
}
array = (Array)(object)OpcServer.GetOPCServers(ipAddress);
}
//假如获取OPC Server过程中引发COMException，即代表无法连接此IP的OPC Server
catch (Exception ex) { message = "无法连接此IP地址的OPC Server！" + ex.Message; }
return(array?.Cast <string>().ToArray());
}
/// <summary>
/// Initialize Potential OPC Tag names to canonical ids (ints).
/// </summary>
public void Init()
{
// declarations- not a savvy enough C# programmer not to just hard code array sizes
updateditems = new Hashtable();
itemvalues = new string[1000];
tags = new OPCItemDef[1000];
_status = "Reading OPC configuration";
Logger.LogMessage("OPCMgr - Reading OPC configuration\n", Logger.DEBUG);
// Read App.config file for OPC and Exe options
try
{
// ShdrService4Opc Settings
bSynchronous = Convert.ToBoolean(ConfigurationManager.AppSettings["Synchronous"]);
nPriority = Convert.ToInt32(ConfigurationManager.AppSettings["ProcessPriority"]);
bAutoConnect = Convert.ToBoolean(ConfigurationManager.AppSettings["AutoConnect"]);
nServerUpdatePeriod = Convert.ToInt32(ConfigurationManager.AppSettings["ServerUpdatePeriod"]);
nServerRetryPeriod = Convert.ToInt32(ConfigurationManager.AppSettings["ServerRetryPeriod"]);
// OPC Settings
sOPCProgId = ConfigurationManager.AppSettings["OPCServer"];
//n This works is obsolete by why risk it???
serveritems = (System.Collections.IDictionary)ConfigurationSettings.GetConfig(sOPCProgId);
sCNCProcessName = (string)serveritems["CNCProcessName"];
sOpcClsid = (string)serveritems["OpcServerClsid"];
clsid = new System.Guid(sOpcClsid);
//myurl = new Opc.URL("opcda://" + sOPCMachine + "/" + sOPCProgId);
sUser = ConfigurationManager.AppSettings["User"];
sPassword = ConfigurationManager.AppSettings["Password"];
sDomain = ConfigurationManager.AppSettings["Domain"];
string sRpcAuthzSrv = ConfigurationManager.AppSettings["RpcAuthzSrv"];
string sRpcAuthnLevel = ConfigurationManager.AppSettings["RpcAuthnLevel"];
string sRpcImpersLevel = ConfigurationManager.AppSettings["RpcImpersLevel"];
// MyEnum oMyEnum = (MyEnum)Enum.Parse(typeof(MyEnum), "stringValue");
OpcServer.eRpcAuthzSrv = (RpcAuthnSrv)Enum.Parse(typeof(RpcAuthnSrv), sRpcAuthzSrv);
OpcServer.eRpcAuthnLevel = (RpcAuthnLevel)Enum.Parse(typeof(RpcAuthnLevel), sRpcAuthnLevel);
OpcServer.eRpcImpersLevel = (RpcImpersLevel)Enum.Parse(typeof(RpcImpersLevel), sRpcImpersLevel);
OpcServer.sUser = sUser;
OpcServer.sPassword = sPassword;
OpcServer.sDomain = sDomain;
OpcServer.nSimpleOPCActivate = Convert.ToInt32(ConfigurationManager.AppSettings["SimpleOPCActivate"]);
// Map OPC Server data names into canonical names/ids
agent.AddDatum("power");
agent.AddDatum("heartbeat");
int i = 0;
foreach (DictionaryEntry de in serveritems)
{
Symbol symbol = new Symbol();
string id = (string)de.Key;
if (!id.StartsWith("Tag."))
continue;
id = id.Substring(4);
symbol.bEnum = false;
if (id.StartsWith("Enum."))
{
symbol.bEnum = true;
id = id.Substring(5);
}
if (id.StartsWith("Event."))
{
symbol.type = "Event";
id = id.Substring(6);
}
if (id.StartsWith("Sample."))
{
symbol.type = "Sample";
id = id.Substring(7);
}
symbol.name = (string)id;
symbol.opcalias = (string)de.Value;
symbol.nKey = i;
// symbols[i] = symbol;
symbols.Add(symbol);
agent.AddDatum((string)id);
tags[i] = new OPCItemDef(symbol.opcalias, true, i, VarEnum.VT_EMPTY);
i++;
}
ChangeProcessPriority(nPriority);
Array.Resize<OPCItemDef>(ref tags, i);
Array.Resize<int>(ref handlesSrv, i);
Array.Resize<string>(ref itemvalues, i);
_opcserver = new OpcServer();
}
catch (Exception e)
{
LogMessage("App.config Initialization Error: " + e.Message, Logger.FATAL);
throw e;
};
}
/// <summary>
/// This removes the OPC group items, opc group and disconnects and nulls the OPC server connection.
/// </summary>
public void Disconnect()
{
try
{
if (_opcserver == null)
return;
if (!IsConnected())
return;
agent.StoreEvent(DateTime.Now.ToString("s"), device, "power", "OFF", null, null, null, null, null, null);
if (opcgroup != null)
{
opcgroup.RemoveItems(handlesSrv, out aE);
opcgroup.Remove(false);
}
_opcserver.Disconnect();
opcgroup = null;
_opcserver = null;
}
catch (Exception e)
{
LogMessage("OPC Disconnect Error: " + e.Message, Logger.ERROR);
_opcserver = null;
}
}
public void Connect()
{
int i;
try
{
#if CREDENTIALS
LogMessage("Test if CNC Exe IsExecuting()", 1);
if ((sCNCProcessName.Length > 0) && !IsExecuting(sOPCMachine, sCNCProcessName))
{
throw new Exception("Cannot start OPC Server" + sCNCProcessName + " not running");
}
LogMessage("Connect to CNC", 1);
// This is used as credentials to logon ont remote pc to see if CNC running
System.Net.NetworkCredential credential;
if (sDomain.Length > 0)
credential = new System.Net.NetworkCredential(sUser, sPassword, sDomain);
else
credential = new System.Net.NetworkCredential(sUser, sPassword); // , sDomain);
#endif
_opcserver = new OpcServer();
LogMessage("Attempt OPC Server Connection", Logger.DEBUG);
// _opcserver will be null if failed...
_opcserver.Connect(this.clsid, this.sIpAddress);
LogMessage("Create OPC Group", Logger.DEBUG);
opcgroup = _opcserver.AddGroup("OPCCSharp-Group", false, 900);
if (opcgroup == null)
throw new Exception("Connect - AddGroup failed");
// FIXME: this only works if OPC item exists.
// Add items to OPC Group
LogMessage("Add OPC Items", Logger.DEBUG);
OPCItemResult[] itemresult;
opcgroup.AddItems(tags, out itemresult);
if (itemresult == null)
throw new Exception("Connect - OPC AddItems failed");
LogMessage("Check OPC items for errors.", Logger.DEBUG);
for (i = 0; i < itemresult.Length; i++)
{
// If the OPC item failed - remove it from the tags to be updated.
if (HRESULTS.Failed(itemresult[i].Error))
{
LogMessage("OPC AddItems Error: " + tags[i].ItemID, Logger.DEBUG);
itemresult = (OPCItemResult[])RemoveAt(itemresult, i);
tags = (OPCItemDef[])RemoveAt(tags, i);
handlesSrv = (int[])RemoveAt(handlesSrv, i);
continue;
}
handlesSrv[i] = itemresult[i].HandleServer;
}
// read group
LogMessage("OPC ReadStatus", Logger.DEBUG);
ReadStatus();
LogMessage("OPC ReadGroup", Logger.DEBUG);
ReadGroup();
}
catch (Exception e)
{
LogMessage("OPC Connect Error: " + e.Message, Logger.ERROR);
Disconnect();
}
}
public void Connect()
{
int i;
try
{
#if CREDENTIALS
LogMessage("Test if CNC Exe IsExecuting()", 1);
if ((sCNCProcessName.Length > 0) && !IsExecuting(sOPCMachine, sCNCProcessName))
{
throw new Exception("Cannot start OPC Server" + sCNCProcessName + " not running");
}
LogMessage("Connect to CNC", 1);
// This is used as credentials to logon ont remote pc to see if CNC running
System.Net.NetworkCredential credential;
if (sDomain.Length > 0)
{
credential = new System.Net.NetworkCredential(sUser, sPassword, sDomain);
}
else
{
credential = new System.Net.NetworkCredential(sUser, sPassword); // , sDomain);
}
#endif
_opcserver = new OpcServer();
LogMessage("Attempt OPC Server Connection", Logger.DEBUG);
// _opcserver will be null if failed...
_opcserver.Connect(this.clsid, this.sIpAddress);
LogMessage("Create OPC Group", Logger.DEBUG);
opcgroup = _opcserver.AddGroup("OPCCSharp-Group", false, 900);
if (opcgroup == null)
{
throw new Exception("Connect - AddGroup failed");
}
// FIXME: this only works if OPC item exists.
// Add items to OPC Group
LogMessage("Add OPC Items", Logger.DEBUG);
OPCItemResult[] itemresult;
opcgroup.AddItems(tags, out itemresult);
if (itemresult == null)
{
throw new Exception("Connect - OPC AddItems failed");
}
LogMessage("Check OPC items for errors.", Logger.DEBUG);
for (i = 0; i < itemresult.Length; i++)
{
// If the OPC item failed - remove it from the tags to be updated.
if (HRESULTS.Failed(itemresult[i].Error))
{
LogMessage("OPC AddItems Error: " + tags[i].ItemID, Logger.DEBUG);
itemresult = (OPCItemResult[])RemoveAt(itemresult, i);
tags = (OPCItemDef[])RemoveAt(tags, i);
handlesSrv = (int[])RemoveAt(handlesSrv, i);
continue;
}
handlesSrv[i] = itemresult[i].HandleServer;
}
// read group
LogMessage("OPC ReadStatus", Logger.DEBUG);
ReadStatus();
LogMessage("OPC ReadGroup", Logger.DEBUG);
ReadGroup();
}
catch (Exception e)
{
LogMessage("OPC Connect Error: " + e.Message, Logger.ERROR);
Disconnect();
}
}
/// <summary>
/// Initialize Potential OPC Tag names to canonical ids (ints).
/// </summary>
public void Init()
{
// declarations- not a savvy enough C# programmer not to just hard code array sizes
updateditems = new Hashtable();
itemvalues = new string[1000];
tags = new OPCItemDef[1000];
_status = "Reading OPC configuration";
Logger.LogMessage("OPCMgr - Reading OPC configuration\n", Logger.DEBUG);
// Read App.config file for OPC and Exe options
try
{
// ShdrService4Opc Settings
bSynchronous = Convert.ToBoolean(ConfigurationManager.AppSettings["Synchronous"]);
nPriority = Convert.ToInt32(ConfigurationManager.AppSettings["ProcessPriority"]);
bAutoConnect = Convert.ToBoolean(ConfigurationManager.AppSettings["AutoConnect"]);
nServerUpdatePeriod = Convert.ToInt32(ConfigurationManager.AppSettings["ServerUpdatePeriod"]);
nServerRetryPeriod = Convert.ToInt32(ConfigurationManager.AppSettings["ServerRetryPeriod"]);
// OPC Settings
sOPCProgId = ConfigurationManager.AppSettings["OPCServer"];
//n This works is obsolete by why risk it???
serveritems = (System.Collections.IDictionary)ConfigurationSettings.GetConfig(sOPCProgId);
sCNCProcessName = (string)serveritems["CNCProcessName"];
sOpcClsid = (string)serveritems["OpcServerClsid"];
clsid = new System.Guid(sOpcClsid);
//myurl = new Opc.URL("opcda://" + sOPCMachine + "/" + sOPCProgId);
sUser = ConfigurationManager.AppSettings["User"];
sPassword = ConfigurationManager.AppSettings["Password"];
sDomain = ConfigurationManager.AppSettings["Domain"];
string sRpcAuthzSrv = ConfigurationManager.AppSettings["RpcAuthzSrv"];
string sRpcAuthnLevel = ConfigurationManager.AppSettings["RpcAuthnLevel"];
string sRpcImpersLevel = ConfigurationManager.AppSettings["RpcImpersLevel"];
// MyEnum oMyEnum = (MyEnum)Enum.Parse(typeof(MyEnum), "stringValue");
OpcServer.eRpcAuthzSrv = (RpcAuthnSrv)Enum.Parse(typeof(RpcAuthnSrv), sRpcAuthzSrv);
OpcServer.eRpcAuthnLevel = (RpcAuthnLevel)Enum.Parse(typeof(RpcAuthnLevel), sRpcAuthnLevel);
OpcServer.eRpcImpersLevel = (RpcImpersLevel)Enum.Parse(typeof(RpcImpersLevel), sRpcImpersLevel);
OpcServer.sUser = sUser;
OpcServer.sPassword = sPassword;
OpcServer.sDomain = sDomain;
OpcServer.nSimpleOPCActivate = Convert.ToInt32(ConfigurationManager.AppSettings["SimpleOPCActivate"]);
// Map OPC Server data names into canonical names/ids
agent.AddDatum("power");
agent.AddDatum("heartbeat");
int i = 0;
foreach (DictionaryEntry de in serveritems)
{
Symbol symbol = new Symbol();
string id = (string)de.Key;
if (!id.StartsWith("Tag."))
{
continue;
}
id = id.Substring(4);
symbol.bEnum = false;
if (id.StartsWith("Enum."))
{
symbol.bEnum = true;
id = id.Substring(5);
}
if (id.StartsWith("Event."))
{
symbol.type = "Event";
id = id.Substring(6);
}
if (id.StartsWith("Sample."))
{
symbol.type = "Sample";
id = id.Substring(7);
}
symbol.name = (string)id;
symbol.opcalias = (string)de.Value;
symbol.nKey = i;
// symbols[i] = symbol;
symbols.Add(symbol);
agent.AddDatum((string)id);
tags[i] = new OPCItemDef(symbol.opcalias, true, i, VarEnum.VT_EMPTY);
i++;
}
ChangeProcessPriority(nPriority);
Array.Resize <OPCItemDef>(ref tags, i);
Array.Resize <int>(ref handlesSrv, i);
Array.Resize <string>(ref itemvalues, i);
_opcserver = new OpcServer();
}
catch (Exception e)
{
LogMessage("App.config Initialization Error: " + e.Message, Logger.FATAL);
throw e;
};
}
