public void Attach(NativeOpcServer server, string serverAddress)
{
try
{
_group = server.OPCGroups.Add(Address);
}
catch (Exception ex)
{
_group = null;
this.Error($"{Id}连接失败,错误原因{ex}");
throw;
}
this.InfoSuccess($"连接");
if (_group == null)
{
return;
}
_group.IsActive = true;
_group.OPCItems.DefaultIsActive = true;
_group.IsSubscribed = true;
_group.UpdateRate = 100;
foreach (var item in OpcItems)
{
item.Attach(serverAddress, _group);
_opcItemsLookupTable.Add(item.ClientHandle, item);
}
_group.DataChange += DataChange;
}
public void AddOpcGroupServer(string opcgroupname, int groupupdaterate, bool groupactive, float groupdeadband)
{
try
{
OPCAutomation.OPCGroup grup = ConnectedOPCServer.OPCGroups.Add(opcgroupname);
grup.UpdateRate = groupupdaterate;
grup.IsActive = groupactive;
grup.DeadBand = groupdeadband;
grup.IsSubscribed = true;
//grup.DataChange += new OPCAutomation.DIOPCGroupEvent_DataChangeEventHandler(ConnectedGroup_DataChange);
this.ConnectedGroup = grup;
//grup.Name = opcgroupname;
//ConnectedOPCServer.OPCGroups.Add(grup);
//this.GroupName = opcgroupname;
//ConnectedOPCServer.OPCGroups.DefaultGroupIsActive = groupactive;
//ConnectedOPCServer.OPCGroups.DefaultGroupDeadband = groupdeadband;
//ConnectedGroup = ConnectedOPCServer.OPCGroups.Add(opcgroupname);
//ConnectedGroup.UpdateRate = groupupdaterate;
//ConnectedGroup.IsSubscribed = true; ;
//ConnectedGroup = grup;
//ConnectedGroup.DataChange += new OPCAutomation.DIOPCGroupEvent_DataChangeEventHandler(ConnectedGroup_DataChange);
}
catch (Exception ex)
{
MessageBox.Show("OPC server add group failed with exception: " + ex.Message, "SimpleOPCInterface Exception", MessageBoxButtons.OK);
}
}
private void SetConnectedGroup(string groupname)
{
OPCAutomation.OPCGroup grup = ConnectedOPCServer.OPCGroups.GetOPCGroup(groupname);
if (grup != null)
{
this.ConnectedGroup = grup;
}
}
public void RemoveGroupServer(string opcgroupname)
{
SetConnectedGroup(opcgroupname);
// Test to see if the OPC Group object is currently available
if (!(ConnectedGroup == null))
{
try
{
// Remove the group from the server
ConnectedOPCServer.OPCGroups.Remove(opcgroupname);
}
catch (Exception ex)
{
// Error handling
MessageBox.Show(("OPC server remove group failed with exception: " + ex.Message), "SimpleOPCInterface Exception", MessageBoxButtons.OK);
}
finally
{
ConnectedGroup = null;
}
}
}
private void SetConnectedGroup(string groupname)
{
OPCAutomation.OPCGroup grup = ConnectedOPCServer.OPCGroups.GetOPCGroup(groupname);
if (grup != null)
this.ConnectedGroup = grup;
}
public void RemoveGroupServer(string opcgroupname)
{
SetConnectedGroup(opcgroupname);
// Test to see if the OPC Group object is currently available
if (!(ConnectedGroup == null))
{
try
{
// Remove the group from the server
ConnectedOPCServer.OPCGroups.Remove(opcgroupname);
}
catch (Exception ex)
{
// Error handling
MessageBox.Show(("OPC server remove group failed with exception: " + ex.Message), "SimpleOPCInterface Exception", MessageBoxButtons.OK);
}
finally
{
ConnectedGroup = null;
}
}
}
public void AddOpcGroupServer(string opcgroupname,int groupupdaterate,bool groupactive, float groupdeadband)
{
try
{
OPCAutomation.OPCGroup grup = ConnectedOPCServer.OPCGroups.Add(opcgroupname);
grup.UpdateRate = groupupdaterate;
grup.IsActive = groupactive;
grup.DeadBand = groupdeadband;
grup.IsSubscribed=true;
//grup.DataChange += new OPCAutomation.DIOPCGroupEvent_DataChangeEventHandler(ConnectedGroup_DataChange);
this.ConnectedGroup = grup;
//grup.Name = opcgroupname;
//ConnectedOPCServer.OPCGroups.Add(grup);
//this.GroupName = opcgroupname;
//ConnectedOPCServer.OPCGroups.DefaultGroupIsActive = groupactive;
//ConnectedOPCServer.OPCGroups.DefaultGroupDeadband = groupdeadband;
//ConnectedGroup = ConnectedOPCServer.OPCGroups.Add(opcgroupname);
//ConnectedGroup.UpdateRate = groupupdaterate;
//ConnectedGroup.IsSubscribed = true; ;
//ConnectedGroup = grup;
//ConnectedGroup.DataChange += new OPCAutomation.DIOPCGroupEvent_DataChangeEventHandler(ConnectedGroup_DataChange);
}
catch (Exception ex)
{
MessageBox.Show("OPC server add group failed with exception: " + ex.Message, "SimpleOPCInterface Exception", MessageBoxButtons.OK);
}
}
protected virtual void Station_opcConnctionChangedEvent(object sender, bool e)
{
log.Debug("Station_opcConnctionChangedEvent");
{
Pack.ConnctionChanged p = new Pack.ConnctionChanged()
{
connected = e
};
Parallel.ForEach(EventPushList, c => c.connectChanged(p));
}
if (e)
{
//OPC服务器连接成功时
var groupName = "theopc_" + this.GetHashCode();
// _opcServer.OPCGroups.Remove(groupName);
_opcGroup = _opcServer.OPCGroups.Add(groupName);
_opcGroup.AsyncReadComplete += _opcGroup_AsyncReadComplete;
var test = _opcServer.OPCGroups;
_opcGroup.DataChange += _opcGroup_DataChange;
_opcGroup.AsyncWriteComplete += _opcGroup_AsyncWriteComplete;
Array ClientHandles = new int[ss.tags.Count + 1]; //Array.CreateInstance
Array arr_error = new int[ss.tags.Count + 1];
{
int i = 1; //下标要从1开始
foreach (TagConfigElement item in ss.tags)
{
OPCAutomation.OPCItem opcItem = _opcGroup.OPCItems.AddItem(item.name, item.ClientHandle); //IOPCItem OPCItem
item.valueType = TagConfigElement.getOPCTypeByVarType(opcItem.CanonicalDataType);
//28E68F99-8D75-11D1-8DC3-3C302A000000
item.ServerHandle = opcItem.ServerHandle;
opcItem.IsActive = true;
ClientHandles.SetValue(item.ServerHandle, i);
i++;
}
{
Pack.OpcReference p = new Pack.OpcReference()
{
};
p.OpcTagList = (from TagConfigElement item in ss.tags select new Pack.OpcTag()
{
tagName = item.name, type = item.valueType
})
.ToList().
ConvertAll(c => c as IOpcTag);
Parallel.ForEach(EventPushList, c =>
{
try
{
c.opcReferenceReady(p);
}
catch (Exception ex1)
{
log.Warn("调用插件opcReferenceReady失败", ex1);
}
});
//EventPushList.ForEach(c => c.opcReferenceReady(p));
}
}
//_opcGroup.DeadBand=
_opcGroup.UpdateRate = 600;
_opcGroup.ClientHandle = this.GetHashCode();
_opcGroup.IsSubscribed = true;
_opcGroup.IsActive = true;
log.Debug("_opcGroup reged");
//AsyncRead(int NumItems, ref Array ServerHandles, out Array Errors, int TransactionID, out int CancelID);
//int tid = DateTime.Now.Second;
//int cid = 0;
//_opcGroup.AsyncRead(ss.tags.Count, ref ClientHandles, out arr_error, tid, out cid);
}
else
{
//OPC服务器连接失败
_opcGroup = null;
System.Threading.Thread.Sleep(500);
connectOPCAsync(); //继续连接
}
}