void IOPCDataCallback.OnReadComplete(
int dwTransid, int hGroup, int hrMasterquality, int hrMastererror, int dwCount,
IntPtr phClientItems, IntPtr pvValues, IntPtr pwQualities, IntPtr pftTimeStamps, IntPtr ppErrors)
{
Trace.WriteLine($"{nameof(OpcGroup)}.{nameof(IOPCDataCallback.OnReadComplete)}, transID:{dwTransid}, count:{dwCount}, thread ID:{System.Threading.Thread.CurrentThread.ManagedThreadId}");
if ((dwCount == 0) || (hGroup != stateHandleClient))
{
return;
}
ReadCompleteEventArgs eventArgs = new ReadCompleteEventArgs
{
TransactionID = dwTransid,
GroupHandleClient = hGroup,
MasterQuality = hrMasterquality,
MasterError = hrMastererror,
ItemStates = new OpcItemState[dwCount]
};
for (int i = 0; i < dwCount; i++)
{
eventArgs.ItemStates[i] = new OpcItemState
{
Error = Extensions.ReadInt32(ppErrors, i),
HandleClient = Extensions.ReadInt32(phClientItems, i)
};
if (HRESULTS.Succeeded(eventArgs.ItemStates[i].Error))
{
// Test if native variant is VT_ERROR
short vt = Marshal.ReadInt16(pvValues, i * Extensions.NativeVariantSize);
if (vt == (short)VarEnum.VT_ERROR)
{
eventArgs.ItemStates[i].Error = Marshal.ReadInt32(pvValues, (i * Extensions.NativeVariantSize) + 8);
}
eventArgs.ItemStates[i].DataValue = Extensions.GetObjectForNativeVariant(pvValues, i);
eventArgs.ItemStates[i].Quality = Extensions.ReadInt16(pwQualities, i);
eventArgs.ItemStates[i].TimeStamp = Extensions.ReadInt64(pftTimeStamps, i);
}
}
readCompleted?.Invoke(this, eventArgs);
}
public void TheGrpReadComplete(object sender, ReadCompleteEventArgs e)
{
lock (locker) {
InstantLogger.msg("after read");
InstantLogger.msg("ReadComplete event: gh={0} id={1} me={2} mq={3}", e.groupHandleClient,
e.transactionID,
e.masterError, e.masterQuality);
foreach (OPCItemState s in e.sts) {
if (HRESULTS.Succeeded(s.Error))
InstantLogger.msg(" ih={0} v={1} q={2} t={3}", s.HandleClient, s.DataValue, s.Quality,
s.TimeStamp);
else
InstantLogger.msg(" ih={0} ERROR=0x{1:x} !", s.HandleClient, s.Error);
}
}
}
public void TheGrpReadComplete(object sender, ReadCompleteEventArgs e)
{
CoreEventGenerator(sender, e);
}
void IOPCDataCallback.OnReadComplete(
int dwTransid, int hGroup, int hrMasterquality, int hrMastererror, int dwCount,
IntPtr phClientItems, IntPtr pvValues, IntPtr pwQualities, IntPtr pftTimeStamps, IntPtr ppErrors)
{
Trace.WriteLine( "OpcGroup.OnReadComplete" );
if( (dwCount == 0) || (hGroup != state.HandleClient) )
return;
int count = (int) dwCount;
int runh = (int) phClientItems;
int runv = (int) pvValues;
int runq = (int) pwQualities;
int runt = (int) pftTimeStamps;
int rune = (int) ppErrors;
ReadCompleteEventArgs e = new ReadCompleteEventArgs();
e.transactionID = dwTransid;
e.groupHandleClient = hGroup;
e.masterQuality = hrMasterquality;
e.masterError = hrMastererror;
e.sts = new OPCItemState[ count ];
for( int i = 0; i < count; i++ )
{
e.sts[i] = new OPCItemState();
e.sts[i].Error = Marshal.ReadInt32( (IntPtr) rune );
rune += 4;
e.sts[i].HandleClient = Marshal.ReadInt32( (IntPtr) runh );
runh += 4;
if( HRESULTS.Succeeded( e.sts[i].Error ) )
{
short vt = Marshal.ReadInt16( (IntPtr) runv );
if( vt == (short) VarEnum.VT_ERROR )
e.sts[i].Error = Marshal.ReadInt32( (IntPtr) (runv + 8) );
e.sts[i].DataValue = Marshal.GetObjectForNativeVariant( (IntPtr) runv );
e.sts[i].Quality = Marshal.ReadInt16( (IntPtr) runq );
e.sts[i].TimeStamp = Marshal.ReadInt64( (IntPtr) runt );
}
runv += DUMMY_VARIANT.ConstSize;
runq += 2;
runt += 8;
}
if( ReadCompleted != null )
ReadCompleted( this, e );
}
void IOPCDataCallback.OnReadComplete(
int dwTransid, int hGroup, int hrMasterquality, int hrMastererror, int dwCount,
IntPtr phClientItems, IntPtr pvValues, IntPtr pwQualities, IntPtr pftTimeStamps, IntPtr ppErrors)
{
Trace.WriteLine("OpcGroup.OnReadComplete");
if ((dwCount == 0) || (hGroup != state.HandleClient))
{
return;
}
int count = (int)dwCount;
int runh = (int)phClientItems;
int runv = (int)pvValues;
int runq = (int)pwQualities;
int runt = (int)pftTimeStamps;
int rune = (int)ppErrors;
ReadCompleteEventArgs e = new ReadCompleteEventArgs();
e.transactionID = dwTransid;
e.groupHandleClient = hGroup;
e.masterQuality = hrMasterquality;
e.masterError = hrMastererror;
e.sts = new OPCItemState[count];
for (int i = 0; i < count; i++)
{
OPCItemState item = new OPCItemState();
e.sts[i] = item;
item.Error = Marshal.ReadInt32((IntPtr)rune);
rune += 4;
item.HandleClient = Marshal.ReadInt32((IntPtr)runh);
runh += 4;
if (HRESULTS.Succeeded(item.Error))
{
short vt = Marshal.ReadInt16((IntPtr)runv);
if (vt == (short)VarEnum.VT_ERROR)
{
item.Error = Marshal.ReadInt32((IntPtr)(runv + 8));
}
item.DataValue = Marshal.GetObjectForNativeVariant((IntPtr)runv);
item.QualityString = QualityToString(Marshal.ReadInt16((IntPtr)runq));
try
{
item.TimeStamp = DateTime.FromFileTime(Marshal.ReadInt64((IntPtr)runt));
}
catch
{
}
}
runv += DUMMY_VARIANT.ConstSize;
runq += 2;
runt += 8;
}
if (ReadCompleted != null)
{
ReadCompleted(this, e);
}
}
