private void MainCycle(object aSender, ElapsedEventArgs aEventArgs)
{
long lStartMS = MiscUtils.TimerMS;
if (mDisconnect)
{
goto End;
}
if (mItemList.Count != 0)
{
try
{
#region Item List Changed
if (mItemListChanged)
{
mItemRWList.Clear();
mItemListLock.EnterReadLock();
//========================================
try
{
mItemRWList.AddRange(mItemList);
var lCount = mItemList.Count;
mSDataValue = new SDataValueByNameWithCheck[lCount];
for (int i = 0; i < lCount; i++)
{
var lDataValue = new SDataValueByNameWithCheck();
lDataValue.Name = mItemList[i].mTagName;
mSDataValue[i] = lDataValue;
}
mItemListChanged = false;
}
finally
{
//========================================
mItemListLock.ExitReadLock();
}
}
#endregion
if (mDisconnect)
{
goto End;
}
bool lNewValues;
try
{
mPLC.ReadSignals(ref mSDataValue, out lNewValues);
}
catch (SimulationRuntimeException lExc)
{
if (lExc.RuntimeErrorCode != ERuntimeErrorCode.SignalConfigurationError)
{
throw new InvalidOperationException(ErrorCodeMessage(lExc.RuntimeErrorCode), lExc);
}
}
if (mDisconnect)
{
goto End;
}
for (int i = 0; i < mSDataValue.Length; i++)
{
if (mItemRWList[i].mNeedWrite)
{
mItemRWList[i].mNeedWrite = false;
mWriteRequests = mWriteRequests + 1;
mPLC.Write(mItemRWList[i].mTagName, mItemRWList[i].getValue());
}
else
{
if (mSDataValue[i].ErrorCode == ERuntimeErrorCode.OK)
{
mItemRWList[i].Access = EAccess.READ_WRITE;
}
else
{
mItemRWList[i].Access = EAccess.NO_ACCESS;
}
if (mSDataValue[i].ValueHasChanged)
{
mItemRWList[i].setValue(mSDataValue[i].DataValue);
}
}
if (mDisconnect)
{
goto End;
}
}
pause();
}
catch (Exception lExc)
{
mDisconnect = true;
raiseConnectionError(lExc.Message);
}
}
mMainCycleTimeMS = MiscUtils.TimerMS - lStartMS;
End:
if (mDisconnect)
{
mConnected = false;
raiseConnectionState();
mDisconnectEvent.Set();
}
else
{
mMainCycleTimer.Start();
}
}
private void MainCycle(object aSender, ElapsedEventArgs aEventArgs)
{
long lStartMS = MiscUtils.TimerMS;
if (mDisconnect)
{
goto End;
}
if (mItemList.Count != 0)
{
try
{
#region Item List Changed
if (mItemListChanged)
{
mItemRWList.Clear();
mItemListLock.EnterReadLock();
//========================================
try
{
mItemRWList.AddRange(mItemList);
var lCount = mItemList.Count;
mSDataValue = new SDataValueByNameWithCheck[lCount];
for (int i = 0; i < lCount; i++)
{
var lDataValue = new SDataValueByNameWithCheck();
lDataValue.Name = mItemList[i].mTagName;
mSDataValue[i] = lDataValue;
}
mItemListChanged = false;
}
finally
{
//========================================
mItemListLock.ExitReadLock();
}
}
#endregion
if (mDisconnect)
{
goto End;
}
bool lNewValues;
if (mTagUpdateNeeded)
{
try
{
mPLC.UpdateTagList();
}
catch (SimulationRuntimeException lExc)
{
throw new InvalidOperationException(ErrorCodeMessage(lExc.RuntimeErrorCode), lExc);
}
try
{
mPLC.ReadSignals(ref mSDataValue, out lNewValues);
mTagUpdateNeeded = false;
}
catch (SimulationRuntimeException lExc)
{
if (lExc.RuntimeErrorCode != ERuntimeErrorCode.SignalConfigurationError &&
lExc.RuntimeErrorCode != ERuntimeErrorCode.NotUpToDate)
{
throw new InvalidOperationException(ErrorCodeMessage(lExc.RuntimeErrorCode), lExc);
}
if (lExc.RuntimeErrorCode != ERuntimeErrorCode.NotUpToDate)
{
mTagUpdateNeeded = false;
}
}
if (mTagUpdateNeeded == false)
{
Log.Info("PLC '" + mPLCName + "'. The stored tag list update completed. ");
foreach (var lItem in mItemRWList)
{
lItem.mUnlockWrite = true;
}
for (int i = 0; i < mSDataValue.Length; i++)
{
if (mDisconnect)
{
goto End;
}
if (mItemRWList[i].mNeedWrite == false)
{
if (mSDataValue[i].ErrorCode == ERuntimeErrorCode.OK)
{
mItemRWList[i].Access = EAccess.READ_WRITE;
}
else
{
mItemRWList[i].Access = EAccess.NO_ACCESS;
}
if (mSDataValue[i].ValueHasChanged)
{
mItemRWList[i].setValue(mSDataValue[i].DataValue);
}
}
}
}
}
else
{
try
{
mPLC.ReadSignals(ref mSDataValue, out lNewValues);
}
catch (SimulationRuntimeException lExc)
{
if (lExc.RuntimeErrorCode == ERuntimeErrorCode.NotUpToDate)
{
mTagUpdateNeeded = true;
Log.Info("PLC '" + mPLCName + "'. The stored tag list must be updated. ");
}
else if (lExc.RuntimeErrorCode != ERuntimeErrorCode.SignalConfigurationError)
{
throw new InvalidOperationException(ErrorCodeMessage(lExc.RuntimeErrorCode), lExc);
}
}
if (mDisconnect)
{
goto End;
}
handleValues();
}
pause();
}
catch (Exception lExc)
{
mDisconnect = true;
raiseConnectionError(lExc.Message);
}
}
mMainCycleTimeMS = MiscUtils.TimerMS - lStartMS;
End:
if (mDisconnect)
{
mConnected = false;
raiseConnectionState();
mDisconnectEvent.Set();
}
else
{
if (mTagUpdateNeeded)
{
mMainCycleTimer.Interval = 5000;
}
else
{
mMainCycleTimer.Interval = MiscUtils.TimeSlice;
}
mMainCycleTimer.Start();
}
}
