public void PLCRead()
{
try
{
// 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;
}
}
private void CheckGroupActive_CheckedChanged(object sender, EventArgs e)
{
if (theGroup != null)
{
if (CheckGroupActive.Checked)
{
theGroup.SetEnable(true);
theGroup.Active = true;
}
else
{
theGroup.SetEnable(true);
theGroup.Active = false;
}
}
}
private void cmdAddGroup_Click(object sender, EventArgs e)
{
theGroup = theServer.AddGroup(txtGroup.Text, false, 900);
if (CheckGroupActive.Checked)
{
theGroup.SetEnable(true);
theGroup.Active = true;
}
else
{
theGroup.SetEnable(true);
theGroup.Active = false;
}
theGroup.DataChanged += new DataChangeEventHandler(TheGrp_DataChanged);
theGroup.ReadCompleted += new ReadCompleteEventHandler(TheGrp_ReadCompleted);
theGroup.WriteCompleted += new WriteCompleteEventHandler(TheGrp_WriteCompleted);
cmdAddGroup.Enabled = false;
cmdDisconnect.Enabled = false;
cmdRemGroup.Enabled = true;
cmdAddItem.Enabled = true;
}
public bool connectServer()
{
try
{
theSrv = new OpcServer();
theSrv.Connect(ServerProgID);
TheGrp = theSrv.AddGroup("S7_200_01", false, 900);
TheGrp.SetEnable(true);
TheGrp.Active = true;
return(true);
}
catch (Exception e)
{
System.Windows.Forms.MessageBox.Show("连接服务器出错:" + e.ToString());
return(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;
* } */
}
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();
}
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();
}
//[MethodImplAttribute(MethodImplOptions.Synchronized)]//Синхронизировать метод
private bool Connect()
{
lock (lockConn)
{
DateTime dt1 = DateTime.Now;
try
{
bool result;
//создадим соединение с БД
SERVERSTATUS status;
_opcsrv.GetStatus(out status);
if (_cntconn == 0 || status == null || status.eServerState != OPCSERVERSTATE.OPC_STATUS_RUNNING)
{
_opcsrv.Connect(_progid, _host);
_opcsrv.GetStatus(out status);
if (status != null && status.eServerState == OPCSERVERSTATE.OPC_STATUS_RUNNING)
{
try
{
_opcgrp = _opcsrv.AddGroup(_grpname, false, _interval);
_opcgrp.HandleClient = 0;
int _cnt = _maps.GetLength(0);
_serverhandles = new int[_cnt];
_vals = new object[_cnt];
_errs = new object[_cnt];
OPCItemDef[] _opcitmsdef = new OPCItemDef[_cnt];
for (int i = 0; i < _cnt; i++)
{
_opcitmsdef[i] = new OPCItemDef(_maps[i, 1], true, i, VarEnum.VT_EMPTY);
}
_opcgrp.AddItems(_opcitmsdef, out _opcitms);
for (int i = 0; i < _cnt; i++)
{
_serverhandles[i] = _opcitms[i].HandleServer;
}
_opcgrp.SetEnable(true);
_opcgrp.Active = true;
_server.LogWrite(LogType.DEBUG, "[" + this._name + "] : T(сек)=" + (DateTime.Now - dt1).Seconds + ", нап. груп. - " + _maps.GetLength(0));
_cntconn++; //Увеличим счётчик активных соединений
_server.LogWrite(LogType.DEBUG, "[" + this._name + "] : Connect - Активных соединений: " + _cntconn);
result = true;
}
catch (Exception e)
{
_server.LogWrite(LogType.ERROR, e.Message);
result = false;
}
}
else
{
result = false;
}
}
else
{
_cntconn++; //Увеличим счётчик активных соединений
result = true;
}
return(result);
}
finally
{
_server.LogWrite(LogType.DEBUG, "[" + this._name + "] : T(сек)=" + (DateTime.Now - dt1).Seconds + ", время на откытие соединения");
}
}
}
public void TestSetEnable01()
{
//Testing ---
//Test Procedure Call
group.SetEnable(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;
}
}
