//private void OPCGroup_DataChange(int TransactionID, int NumItems, ref Array ClientHandles, ref Array ItemValues, ref Array Qualities, ref Array TimeStamps)
//{
// try
// {
// Tag tag = new Tag();
// _lastrun = DateTime.Now;
// for (int i = 0; i < _maps.GetLength(0); i++)
// {
// tag.Timestamp = DateTime.Now;
// tag.Name = _maps[i, 0];
// tag.Value = _opcitms[i].Value;
// tag.Quality = (QualityType)_opcitms[i].Quality;
// _server.SetTag(tag);
// _server.LogWrite(LogType.DEBUG, "[" + this._name + "] : " +_maps[i, 1] + "=" + tag.Value);
// }
// }
// catch (Exception e)
// {
// _server.LogWrite(LogType.ERROR, "[" + this.Name + "]: " + e.ToString());
// }
//}
public override void Write(Tag tag)
{
DateTime dt1 = DateTime.Now;
_server.LogWrite(LogType.DEBUG, "[" + this._name + "] : Write вход - tag=" + tag.Name);
//Создадим соединение
if (!Connect())
{
throw new Exception("[" + this._name + "] : Ошибка подключения! ");
}
for (int i = 0; i < _maps.GetLength(0); i++)
{
if (_maps[i, 0] == tag.Name)
{
lock (lockThis)
{
int[] arrErr;
_opcgrp.Write(new int[] { _opcitms[i].HandleServer }, new object[] { tag.Value }, out arrErr);
if (arrErr.GetLength(0) > 0 && arrErr[0] != 0)
{
string message = "[" + this._name + "] : Ошибка записи! Tag[" + tag.Name + "]=" + tag.Value + ", error: " + arrErr[0].ToString();
_server.LogWrite(LogType.ERROR, message);
throw new Exception(message);
}
}
break;
}
}
//Отключим соединение если не требуется хранить его
Disconnect();
_server.LogWrite(LogType.DEBUG, "[" + this._name + "] : T(сек)=" + (DateTime.Now - dt1).Seconds + ", Write выход - tag=" + tag.Name);
}
private void btnItemWrite_Click(object sender, System.EventArgs e)
{
try
{
txtItemWriteRes.Text = "";
// convert the user text to OPC data type of item
object[] arrVal = new Object[1];
arrVal[0] = Convert.ChangeType(txtItemSendValue.Text, itmTypeCode);
int[] serverhandles = new int[1] {
itmHandleServer
};
int cancelID;
int[] arrErr;
theGrp.Write(serverhandles, arrVal, 9988, out cancelID, out arrErr);
GC.Collect(); // just for fun
}
catch (FormatException)
{
MessageBox.Show(this, "Invalid data format!", "opcItemDoWrite_Click", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
catch (OverflowException)
{
MessageBox.Show(this, "Invalid data range/overflow!", "opcItemDoWrite_Click", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
catch (COMException)
{
MessageBox.Show(this, "OPC Write Item error!", "opcItemDoWrite_Click", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
}
public void WriteItems(List <string> p_ItemsId, string p_Value)
{
_itemAccessMutex.WaitOne();
try
{
int l_ItemsToWriteCount = p_ItemsId.Count;
int[] l_ServerHandleArray = new int[l_ItemsToWriteCount];
object[] l_ValueArray = new object[l_ItemsToWriteCount];
int[] l_ErrorArray;
for (int i = 0; i < l_ItemsToWriteCount; ++i)
{
l_ServerHandleArray[i] = _serverModel.GetServerHandleFromItemId(p_ItemsId[i]);
int l_ClientHandle = _serverModel.GetClientHandleFromServerHandle(l_ServerHandleArray[i]);
IOPCItem l_Item = _serverModel.GetItemFromClientHandle(l_ClientHandle);
l_ValueArray[i] = OpcUtility.StringToValue(l_Item.Type, p_Value);
}
_group.Write(l_ServerHandleArray, l_ValueArray, out l_ErrorArray);
// TODO Check the error
}
catch (Exception l_Ex)
{
throw l_Ex;
}
finally
{
_itemAccessMutex.ReleaseMutex();
}
}
public void WriteToOpc(string value)
{
// convert the user text to OPC data type of item
object[] arrVal = new Object[1];
arrVal[0] = Convert.ChangeType(value, ItmTypeCode);
int[] serverhandles = new int[1] {
_itmHandleServer
};
int cancelId;
int[] arrErr;
_theGrp.Write(serverhandles, arrVal, 9988, out cancelId, out arrErr);
}
public void TestWrite01()
{
//Testing ---
int[] arrHSrv = new int[1];
object[] arrVal = new object[1];
int[] arrErr = null;
//Test Procedure Call
bool b = group.Write(arrHSrv, arrVal, out arrErr);
}
private bool SetOneOPCTag(IOPCTag opcTag, VarEnum dataType)
{
var items = new OPCItemDef[1];
items[0] = new OPCItemDef(opcTag.FullName, true, 0, dataType);
OPCItemResult[] addRslt;
int rtc = OPCWriteGroup.AddItems(items, out addRslt);
if (HRESULTS.Failed(rtc))
{
return(false);// "Error at AddItem";
}
var iHnd = new Int32[addRslt.Length];
for (int i = 0; i < addRslt.Length; ++i)
{
iHnd[i] = addRslt[i].HandleServer;
}
int[] err;
var val = new object[addRslt.Length];
val[0] = opcTag.ObjectValue;
rtc = OPCWriteGroup.Write(iHnd, val, out err);
//string errTxt = "OK";
if (HRESULTS.Failed(rtc))
{
return(false);
//errTxt = srv.GetErrorString(rtc, 0);
}
// succeeded
// check item error codes
if (err.Any(HRESULTS.Failed))
{
return(false);
}
OPCWriteGroup.RemoveItems(iHnd, out err);
return(true);
// return errTxt;
}
public void Work()
{
/* try // disabled for debugging
* { */
theSrv = new OpcServer();
theSrv.Connect(serverProgID);
Thread.Sleep(500); // we are faster then some servers!
// add our only working group
theGrp = theSrv.AddGroup("OPCCSharp-Group", false, 900);
// add two items and save server handles
itemDefs[0] = new OPCItemDef(itemA, true, 1234, VarEnum.VT_EMPTY);
itemDefs[1] = new OPCItemDef(itemB, true, 5678, VarEnum.VT_EMPTY);
OPCItemResult[] rItm;
theGrp.AddItems(itemDefs, out rItm);
if (rItm == null)
{
return;
}
if (HRESULTS.Failed(rItm[0].Error) || HRESULTS.Failed(rItm[1].Error))
{
Console.WriteLine("OPC Tester: AddItems - some failed"); theGrp.Remove(true); theSrv.Disconnect(); return;
}
;
handlesSrv[0] = rItm[0].HandleServer;
handlesSrv[1] = rItm[1].HandleServer;
// asynch read our two items
theGrp.SetEnable(true);
theGrp.Active = true;
theGrp.DataChanged += new DataChangeEventHandler(this.theGrp_DataChange);
theGrp.ReadCompleted += new ReadCompleteEventHandler(this.theGrp_ReadComplete);
int CancelID;
int[] aE;
theGrp.Read(handlesSrv, 55667788, out CancelID, out aE);
// some delay for asynch read-complete callback (simplification)
Thread.Sleep(500);
// asynch write
object[] itemValues = new object[2];
itemValues[0] = (int)1111111;
itemValues[1] = (double)2222.2222;
theGrp.WriteCompleted += new WriteCompleteEventHandler(this.theGrp_WriteComplete);
theGrp.Write(handlesSrv, itemValues, 99887766, out CancelID, out aE);
// some delay for asynch write-complete callback (simplification)
Thread.Sleep(500);
// disconnect and close
Console.WriteLine("************************************** hit to close...");
Console.ReadLine();
theGrp.DataChanged -= new DataChangeEventHandler(this.theGrp_DataChange);
theGrp.ReadCompleted -= new ReadCompleteEventHandler(this.theGrp_ReadComplete);
theGrp.WriteCompleted -= new WriteCompleteEventHandler(this.theGrp_WriteComplete);
theGrp.RemoveItems(handlesSrv, out aE);
theGrp.Remove(false);
theSrv.Disconnect();
theGrp = null;
theSrv = null;
/* }
* catch( Exception e )
* {
* Console.WriteLine( "EXCEPTION : OPC Tester " + e.ToString() );
* return;
* } */
}
static void Main(string[] args)
{
/*create array of readable Tags*/
var Tags = new List <OPCClientItem>();
Tags.Add(new OPCClientItem()
{
Name = ".test",
ClientHanle = 1
});
OpcServer server = new OpcServer();
try
{
int transactionID = new Random().Next(1024, 65535);
int cancelID = 0;
int updateRate = 1000;
/*connect to the OPC Server and check it's state*/
server.Connect("Matrikon.OPC.Simulation.1");
var serverStatus = new SERVERSTATUS();
server.GetStatus(out serverStatus);
if (serverStatus.eServerState == OPCSERVERSTATE.OPC_STATUS_RUNNING)
{
/*create group of items*/
OpcGroup group = server.AddGroup("Group1", true, updateRate);
group.ReadCompleted += group_ReadCompleted;
List <OPCItemDef> items = new List <OPCItemDef>();
Tags.ToList()
.ForEach(x => items.Add(new OPCItemDef(x.Name, true, x.ClientHanle, VarEnum.VT_EMPTY)));
/* add items and collect their attributes*/
OPCItemResult[] itemAddResults = null;
group.AddItems(items.ToArray(), out itemAddResults);
for (int i = 0; i < itemAddResults.Length; i++)
{
OPCItemResult itemResult = itemAddResults[i];
OPCClientItem tag = Tags[i];
tag.ServerHandle = itemResult.HandleServer;
tag.AccessRight = (itemResult.AccessRights == OPCACCESSRIGHTS.OPC_READABLE) ? OPCClientItem.EAccessRight.ReadOnly : OPCClientItem.EAccessRight.ReadAndWrite;
}
;
/*Refresh items in group*/
// group.Refresh2(OPCDATASOURCE.OPC_DS_DEVICE, transactionID, out cancelID);
/*Async read data for the group items*/
int[] serverHandles = new int[Tags.Count];
for (int i = 0; i < Tags.Count; i++)
{
serverHandles[i] = Tags[i].ServerHandle;
}
;
OPCItemState[] itemsStateResult = null;
/*sync read*/
group.Read(OPCDATASOURCE.OPC_DS_DEVICE, serverHandles, out itemsStateResult);
Console.WriteLine("Sync read:");
for (int i = 0; i < itemsStateResult.Length; i++)
{
OPCItemState itemResult = itemsStateResult[i];
Console.WriteLine(" -> item:{0}; value:{1}; timestamp{2}; qualituy:{3}", Tags[i].Name, itemResult.DataValue.ToString(), itemResult.TimeStamp, itemResult.Quality);
}
;
/*sync write*/
object[] values = new object[Tags.Count];
int[] resultErrors = new int[Tags.Count];
values[0] = (object)256;
group.Write(serverHandles, values, out resultErrors);
/*async read*/
group.Read(serverHandles, transactionID, out cancelID, out resultErrors);
/*wait for a while befor remove group to process async event*/
System.Threading.Thread.Sleep(3000);
/*the group must be removed !!! */
group.Remove(true);
}
;
}
finally
{
server.Disconnect();
server = null;
GC.Collect();
};
Console.ReadKey();
}
public void Work()
{
theSrv = new OpcServer();
theSrv.Connect(serverProgID);
Thread.Sleep(500); // we are faster then some servers!
// add our only working group
theGrp = theSrv.AddGroup("Group", false, 900);
theTargGrp = theSrv.AddGroup("Target", false, 900);
// add two items and save server handles
itemDefs[0] = new OPCItemDef(itemA, true, 1, VarEnum.VT_EMPTY);
itemDefs[1] = new OPCItemDef(itemB, true, 2, VarEnum.VT_EMPTY);
//
itemTarget[0] = new OPCItemDef(itemC, true, 1, VarEnum.VT_EMPTY);
OPCItemResult[] rItm;
theGrp.AddItems(itemDefs, out rItm);
if (rItm == null)
{
return;
}
if (HRESULTS.Failed(rItm[0].Error) || HRESULTS.Failed(rItm[1].Error))
{
AddTotextBox("OPC Tester: AddItems - some failed", textBox4);
theGrp.Remove(true);
theSrv.Disconnect();
return;
}
;
handlesSrv[0] = rItm[0].HandleServer;
handlesSrv[1] = rItm[1].HandleServer;
OPCItemResult[] rItmTarg;
theTargGrp.AddItems(itemTarget, out rItmTarg);
if (rItmTarg == null)
{
return;
}
if (HRESULTS.Failed(rItmTarg[0].Error))
{
AddTotextBox("OPC Tester: AddItems - some failed", textBox4);
theGrp.Remove(true);
theSrv.Disconnect();
return;
}
;
handlesTargetSrv[0] = rItmTarg[0].HandleServer;
//----------------------------------------------------------------------------------
// asynch read our two items
theGrp.SetEnable(true);
theGrp.Active = true;
theGrp.DataChanged += new DataChangeEventHandler(this.theGrp_DataChange);
theGrp.ReadCompleted += new ReadCompleteEventHandler(this.theGrp_ReadComplete);
int CancelID;
int[] aE;
theGrp.Read(handlesSrv, 55667788, out CancelID, out aE);
// some delay for asynch read-complete callback (simplification)
Thread.Sleep(500);
// asynch write
theTargGrp.SetEnable(true);
theTargGrp.Active = true;
object[] itemValues = new object[1];
itemValues[0] = (int)450;
theTargGrp.WriteCompleted += new WriteCompleteEventHandler(this.theGrp_WriteComplete);
theTargGrp.Write(handlesTargetSrv, itemValues, 99887766, out CancelID, out aE);
// some delay for asynch write-complete callback (simplification)
Thread.Sleep(500);
theGrp.DataChanged -= new DataChangeEventHandler(this.theGrp_DataChange);
theGrp.ReadCompleted -= new ReadCompleteEventHandler(this.theGrp_ReadComplete);
theGrp.WriteCompleted -= new WriteCompleteEventHandler(this.theGrp_WriteComplete);
}
