private void cmdRemGroup_Click(object sender, EventArgs e)
{
if (theGroup != null)
{
int[] aE = new int[2];
try
{
theGroup.DataChanged -= new DataChangeEventHandler(TheGrp_DataChanged);
theGroup.ReadCompleted -= new ReadCompleteEventHandler(TheGrp_ReadCompleted);
theGroup.WriteCompleted -= new WriteCompleteEventHandler(TheGrp_WriteCompleted);
theGroup.Remove(false);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
theGroup = null;
}
}
private void Form1_FormClosed(object sender, FormClosedEventArgs e)
{
//theGrp.RemoveItems(handlesSrv, out aE);
if (theGrp != null)
{
theGrp.Remove(false);
theTargGrp.Remove(false);
theSrv.Disconnect();
theGrp = null;
theTargGrp = null;
theSrv = null;
}
stopReceive = true;
connect.Abort();
Process.GetCurrentProcess().Kill();
}
public void Disconnect()
{
List <int> l_ServerHandleList = _serverModel.GetServerHandleList();
if (l_ServerHandleList.Count > 0)
{
try
{
int[] l_RemoveRes;
_group.RemoveItems(l_ServerHandleList.ToArray(), out l_RemoveRes);
}
catch (Exception)
{
}
}
if (_group != null)
{
_group.DataChanged -= new DataChangeEventHandler(Group_DataChange);
try
{
_group.Remove(true);
}
catch (Exception)
{
}
}
if (_server != null)
{
_server.ShutdownRequested -= new ShutdownRequestEventHandler(Server_ShutdownRequest);
try
{
_server.Disconnect();
}
catch (Exception)
{
}
}
}
private void MainForm_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
if (!opc_connected)
{
return;
}
if (theGrp != null)
{
theGrp.DataChanged -= new DataChangeEventHandler(this.theGrp_DataChange);
theGrp.WriteCompleted -= new WriteCompleteEventHandler(this.theGrp_WriteComplete);
RemoveItem();
theGrp.Remove(false);
theGrp = null;
}
if (theSrv != null)
{
theSrv.Disconnect(); // should clean up
theSrv = null;
}
opc_connected = false;
}
public void Close()
{
if (!OpcConnected)
{
return;
}
if (_theGrp != null)
{
_theGrp.DataChanged -= new DataChangeEventHandler(this.theGrp_DataChange);
_theGrp.WriteCompleted -= new WriteCompleteEventHandler(this.theGrp_WriteComplete);
RemoveItem();
_theGrp.Remove(false);
_theGrp = null;
}
if (_theSrv != null)
{
_theSrv.Disconnect(); // should clean up
_theSrv = null;
}
OpcConnected = false;
}
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()
{
/* 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, timeref);
if (sendtags > tags.Length)
{
sendtags = tags.Length;
}
var itemDefs = new OPCItemDef[tags.Length];
for (var i = 0; i < tags.Length; i++)
{
itemDefs[i] = new OPCItemDef(tags[i], true, i, 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;
}
;
var handlesSrv = new int[itemDefs.Length];
for (var i = 0; i < itemDefs.Length; i++)
{
handlesSrv[i] = rItm[i].HandleServer;
}
currentValues = new Single[itemDefs.Length];
// 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);
while (webSend == "yes")
{
HttpListenerContext context = listener.GetContext();
HttpListenerRequest request = context.Request;
HttpListenerResponse response = context.Response;
context.Response.AddHeader("Access-Control-Allow-Origin", "*");
byte[] buffer = System.Text.Encoding.UTF8.GetBytes(responseStringG);
// Get a response stream and write the response to it.
response.ContentLength64 = buffer.Length;
System.IO.Stream output = response.OutputStream;
output.Write(buffer, 0, buffer.Length);
// You must close the output stream.
output.Close();
}
// disconnect and close
Console.WriteLine("************************************** hit <return> to close...");
Console.ReadLine();
theGrp.ReadCompleted -= new ReadCompleteEventHandler(this.theGrp_ReadComplete);
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)
{
string progID = args.Length > 0 ? args[0] : "Kepware.KEPServerEX.V5";
OpcServer opcServer = new OpcServer();
opcServer.Connect(progID);
System.Threading.Thread.Sleep(500); // we are faster than some servers!
OpcGroup opcGroup = opcServer.AddGroup("SampleGroup", false, 900);
List <string> itemNames = new List <string>();
if (args.Length > 1)
{
for (int i = 1; i < args.Length; i++)
{
itemNames.Add(args[i]);
}
}
else
{
itemNames.Add("Simulation Examples.Functions.Ramp1");
itemNames.Add("Simulation Examples.Functions.Random1");
}
OpcItemDefinition[] opcItemDefs = new OpcItemDefinition[itemNames.Count];
for (int i = 0; i < opcItemDefs.Length; i++)
{
opcItemDefs[i] = new OpcItemDefinition(itemNames[i], true, i, VarEnum.VT_EMPTY);
}
opcGroup.AddItems(opcItemDefs, out OpcItemResult[] opcItemResult);
if (opcItemResult == null)
{
Console.WriteLine("Error add items - null value returned");
return;
}
int[] serverHandles = new int[opcItemResult.Length];
for (int i = 0; i < opcItemResult.Length; i++)
{
if (HRESULTS.Failed(opcItemResult[i].Error))
{
Console.WriteLine("AddItems - failed {0}", itemNames[i]);
opcGroup.Remove(true);
opcServer.Disconnect();
return;
}
else
{
serverHandles[i] = opcItemResult[i].HandleServer;
}
}
opcGroup.DataChanged += OpcGroup_DataChanged;
opcGroup.SetEnable(true);
opcGroup.Active = true;
Console.WriteLine("********** Press <Enter> to close **********");
Console.ReadLine();
opcGroup.DataChanged -= OpcGroup_DataChanged;
opcGroup.Remove(true);
opcServer.Disconnect();
}
/// <summary>
/// initialize OPC server and group
/// </summary>
/// <param name="serverName">OPC Server Name</param>
/// <param name="groupName">OPC Group name under the OPC server.
/// Here groupName is trendViewer Process ID in string</param>
///
public void InitializeServer(string serverName, string groupName)
{
string Function_Name = "InitializeServer";
LogHelper.Trace(CLASS_NAME, Function_Name, "Function_Entered");
lock (m_opcDataDicObj)
{
try
{
m_OPCSrvName = serverName;
m_OPCGroupName = groupName;
//Fix - Remove opcGroup and Disconnect server to avoid GC Fianlizer thread call these methods
try
{
if (m_OPCGroup != null)
{
m_OPCGroup.Remove(false);
m_OPCGroup = null;
}
if (m_OPCServer != null)
{
m_OPCServer.Disconnect();
m_OPCServer = null;
}
}
catch (Exception localException)
{
LogHelper.Error(CLASS_NAME, Function_Name, localException);
}
m_OPCServer = new OpcServer();
LogHelper.Trace(CLASS_NAME, Function_Name, "Before Connect");
m_OPCServer.Connect(serverName);
LogHelper.Trace(CLASS_NAME, Function_Name, "After Connect");
Thread.Sleep(200);
m_OPCServer.SetClientName("DirectOPC " + groupName + serverName); // set my client name (exe+process no)
SERVERSTATUS sts;
m_OPCServer.GetStatus(out sts);
LogHelper.Info(CLASS_NAME, Function_Name, serverName + ": " + DateTime.FromFileTime(sts.ftStartTime).ToString());
LogHelper.Info(CLASS_NAME, Function_Name, serverName + ": " + sts.eServerState.ToString());
// add event handler for server shutdown
m_OPCServer.ShutdownRequested += new ShutdownRequestEventHandler(this.OPCSrv_ServerShutDown);
//Setup opc group
m_OPCGroup = m_OPCServer.AddGroup("MFTOPC-Group-" + serverName, true, UPDATEGROUPRATE);
m_OPCGroup.DataChanged += new DataChangeEventHandler(this.OPCGrp_DataChange);
m_opcSrvConnectFlag = true;
}
catch (COMException localException)
{
LogHelper.Error(CLASS_NAME, Function_Name, localException);
LogHelper.Info(CLASS_NAME, Function_Name, "Initialize of the OPC Server is not successful");
}
catch (Exception localException)
{
LogHelper.Error(CLASS_NAME, Function_Name, localException);
}
}
LogHelper.Trace(CLASS_NAME, Function_Name, "Function_Exited");
}
static void Main(string[] args)
{
string progID = args.Length > 0 ? args[0] : "Kepware.KEPServerEX.V5";
OpcServer opcServer = new OpcServer();
opcServer.Connect(progID);
System.Threading.Thread.Sleep(500); // we are faster than some servers!
OpcGroup opcGroup = opcServer.AddGroup("SampleGroup", false, 900);
List <string> itemNames = new List <string>();
if (args.Length > 1)
{
for (int i = 1; i < args.Length; i++)
{
itemNames.Add(args[i]);
}
}
else
{
itemNames.Add("Simulation Examples.Functions.Ramp1");
itemNames.Add("Simulation Examples.Functions.Random1");
}
OpcItemDefinition[] opcItemDefs = new OpcItemDefinition[itemNames.Count];
for (int i = 0; i < opcItemDefs.Length; i++)
{
opcItemDefs[i] = new OpcItemDefinition(itemNames[i], true, i, VarEnum.VT_EMPTY);
}
opcGroup.AddItems(opcItemDefs, out OpcItemResult[] opcItemResult);
if (opcItemResult == null)
{
Console.WriteLine("Error add items - null value returned");
return;
}
int[] serverHandles = new int[opcItemResult.Length];
for (int i = 0; i < opcItemResult.Length; i++)
{
if (HRESULTS.Failed(opcItemResult[i].Error))
{
Console.WriteLine("AddItems - failed {0}", itemNames[i]);
opcGroup.Remove(true);
opcServer.Disconnect();
return;
}
else
{
serverHandles[i] = opcItemResult[i].HandleServer;
}
}
opcGroup.SetEnable(true);
opcGroup.Active = true;
bool result = opcGroup.Read(OPCDATASOURCE.OPC_DS_CACHE, serverHandles, out OpcItemState[] states);
foreach (OpcItemState s in states)
{
if (HRESULTS.Succeeded(s.Error))
{
Console.WriteLine(" {0}: {1} (Q:{2} T:{3})", s.HandleClient, s.DataValue, s.Quality, DateTime.FromFileTime(s.TimeStamp));
}
else
{
Console.WriteLine(" {0}: ERROR = 0x{1:x} !", s.HandleClient, s.Error);
}
}
opcGroup.Remove(true);
opcServer.Disconnect();
}
public void TestErr_Remove01()
{
//Testing ---
//Test Procedure Call
group.Remove(true);
}
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);
}
public void PLCWrite()
{
try
{
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);
//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);
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;
}
;
if (handlesSrv[0] == 0)
{
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;
Random rnd = new Random();
int transactionID = rnd.Next(1, 55667788);
theGrp.Read(handlesSrv, transactionID, out CancelID, out aE);
// some delay for asynch read-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);
//theGrp.RemoveItems(handlesSrv, out aE); //теперь здесь
//theGrp.Remove(false);
}
catch (Exception e)
{
SetText("Unexpected Error:" + e.Message);
return;
}
}