/// <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//n This works is obsolete by why risk it???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;
};
}
public bool AddItems(OPCItemDef[] arrDef, out OPCItemResult[] arrRes)
{
arrRes = null;
bool hasblobs = false;
int count = arrDef.Length;
IntPtr ptrDef = Marshal.AllocCoTaskMem(count * sizeOPCITEMDEF);
int runDef = (int)ptrDef;
OPCITEMDEFintern idf = new OPCITEMDEFintern();
idf.wReserved = 0;
foreach (OPCItemDef d in arrDef)
{
idf.szAccessPath = d.AccessPath;
idf.szItemID = d.ItemID;
idf.bActive = d.Active;
idf.hClient = d.HandleClient;
idf.vtRequestedDataType = (short)d.RequestedDataType;
idf.dwBlobSize = 0; idf.pBlob = IntPtr.Zero;
if (d.Blob != null)
{
idf.dwBlobSize = d.Blob.Length;
if (idf.dwBlobSize > 0)
{
hasblobs = true;
idf.pBlob = Marshal.AllocCoTaskMem(idf.dwBlobSize);
Marshal.Copy(d.Blob, 0, idf.pBlob, idf.dwBlobSize);
}
}
Marshal.StructureToPtr(idf, (IntPtr)runDef, false);
runDef += sizeOPCITEMDEF;
}
IntPtr ptrRes;
IntPtr ptrErr;
int hresult = ifItems.AddItems(count, ptrDef, out ptrRes, out ptrErr);
runDef = (int)ptrDef;
if (hasblobs)
{
for (int i = 0; i < count; i++)
{
IntPtr blob = (IntPtr)Marshal.ReadInt32((IntPtr)(runDef + 20));
if (blob != IntPtr.Zero)
Marshal.FreeCoTaskMem(blob);
Marshal.DestroyStructure((IntPtr)runDef, typeOPCITEMDEF);
runDef += sizeOPCITEMDEF;
}
}
else
{
for (int i = 0; i < count; i++)
{
Marshal.DestroyStructure((IntPtr)runDef, typeOPCITEMDEF);
runDef += sizeOPCITEMDEF;
}
}
Marshal.FreeCoTaskMem(ptrDef);
if (HRESULTS.Failed(hresult))
Marshal.ThrowExceptionForHR(hresult);
int runRes = (int)ptrRes;
int runErr = (int)ptrErr;
if ((runRes == 0) || (runErr == 0))
Marshal.ThrowExceptionForHR(HRESULTS.E_ABORT);
arrRes = new OPCItemResult[count];
for (int i = 0; i < count; i++)
{
arrRes[i] = new OPCItemResult();
arrRes[i].Error = Marshal.ReadInt32((IntPtr)runErr);
if (HRESULTS.Failed(arrRes[i].Error))
continue;
arrRes[i].HandleServer = Marshal.ReadInt32((IntPtr)runRes);
arrRes[i].CanonicalDataType = (VarEnum)(int)Marshal.ReadInt16((IntPtr)(runRes + 4));
arrRes[i].AccessRights = (OPCACCESSRIGHTS)Marshal.ReadInt32((IntPtr)(runRes + 8));
int ptrblob = Marshal.ReadInt32((IntPtr)(runRes + 16));
if ((ptrblob != 0))
{
int blobsize = Marshal.ReadInt32((IntPtr)(runRes + 12));
if (blobsize > 0)
{
arrRes[i].Blob = new byte[blobsize];
Marshal.Copy((IntPtr)ptrblob, arrRes[i].Blob, 0, blobsize);
}
Marshal.FreeCoTaskMem((IntPtr)ptrblob);
}
runRes += sizeOPCITEMRESULT;
runErr += 4;
}
Marshal.FreeCoTaskMem(ptrRes);
Marshal.FreeCoTaskMem(ptrErr);
return hresult == HRESULTS.S_OK;
}
/// <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;
};
}
