public void UpdateTag(UInt32 TagHandle, Object Value, TagQuality Quality)
{
if (!OPCSvr.UpdateTag(TagHandle, Value, Quality))
{
throw new OPCSvrException("<ERROR> Update Tag Failed!");
}
}
internal void SetToSubscription(int MaxSubscriptionFrequency, int MaxDelayToFireEvent, Action <ITag> OnTagValueChangeAction = null)
{
try
{
if (ClientBound != null && !IsSubscribed && this.IsAvailable)
{
//TODO
//_NotificationHandler = ClientBound.ClientUA.SubscribeDataChange(
// ClientBound.Address,
// this.Address,
// MaxSubscriptionFrequency,
// (sender, eventArgs) => GetSubscriptionValue(eventArgs));
_OnTagValueChange = OnTagValueChangeAction;
Subscription_MaxEventFrequency = MaxSubscriptionFrequency;
//Subscription_MaxDelayToFireEvent = MaxDelayToFireEvent;
IsSubscribed = true;
}
}
catch (Exception ex)
{
Quality = TagQuality.ERROR;
ClientBound.Logger?.LogException($"OPC - Tag Subscription error. Address: {this.Address}. Ex: {ex.Message}");
}
}
internal bool UpdateValue(byte[] value, uint byteOffset = 0)
#endif
{
if (!Enabled)
{
return(false);
}
//The structure is always a 2 byte type code followed by the
//actual data...
ushort typeCode = BitConverter.ToUInt16(value, 0);
if (_dataType == 0)
{
//Setting the type code for the first time...
_dataType = typeCode;
}
else
{
if (_dataType != typeCode)
{
_tagQuality = TagQuality.Bad;
_lastError = Resources.ErrorStrings.TypeMismatch + "0x" + typeCode.ToString("X2");
_lastErrorNumber = (int)LogixErrors.TypeMismatch;
throw new Exception(Resources.ErrorStrings.TypeMismatch + "0x" + typeCode.ToString("X2"));
}
}
byte[] temp = new byte[value.Length - 2];
Buffer.BlockCopy(value, 2, temp, 0, temp.Length);
_timeStamp = DateTime.Now;
return(OnDataUpdated(temp, byteOffset));
}
internal bool UpdateTag(ServiceResult result, object val = null)
{
if (StatusCode.IsGood(result.StatusCode))
{
if (val != null)
{
Value = val;
}
Quality = TagQuality.GOOD;
LastUpdate = DateTime.Now;
return(true);
}
else if (StatusCode.IsUncertain(result.StatusCode))
{
Quality = TagQuality.UNKNOWN;
LastUpdate = DateTime.Now;
return(false);
}
else
{
Quality = TagQuality.NOT_AVAILABLE;
LastUpdate = DateTime.Now;
return(false);
}
}
public bool WriteItem(object ValueToWrite)
{
if (ClientBound != null && ClientBound.IsConnected && ClientBound.IsAvailable && this.IsAvailable)
{
try
{
var MyValueCasted = Convert.ChangeType(ValueToWrite, TagType);
DataValue val = new DataValue();
val.Value = MyValueCasted;
List <WriteValue> nodesToWrite = new List <WriteValue>();
nodesToWrite.Add(new WriteValue()
{
NodeId = new NodeId(Address),
AttributeId = Attributes.Value,
Value = val
});
WriteValueCollection nodesToWriteCollection = new WriteValueCollection(nodesToWrite);
StatusCodeCollection results;
DiagnosticInfoCollection diagnosticInfos;
RequestHeader requestHeader = new RequestHeader();
requestHeader.ReturnDiagnostics = 0;
ResponseHeader RS = ClientBound.ClientSession.Write(
requestHeader,
nodesToWriteCollection,
out results,
out diagnosticInfos);
StatusCode code = results.First();
if (StatusCode.IsGood(code))
{
Quality = TagQuality.GOOD;
LastUpdate = DateTime.Now;
return(true);
}
else
{
Quality = TagQuality.UNKNOWN;
LastUpdate = DateTime.Now;
ClientBound.Logger?.LogWarning($"OPC - Write Error on: {this.Name} @ {this.Address}. Reason: {code.ToString()}");
return(false);
}
}
catch (Exception ex)
{
Quality = TagQuality.ERROR;
ClientBound.Logger?.LogWarning($"OPC - Write Error on: {this.Name} @ {this.Address}. Ex: {ex.Message}");
return(false);
}
}
else
{
Quality = TagQuality.DISCONNECTED;
return(false);
}
}
public void AddTag(String TagName, object TagValue, String TagDescr, TagQuality TagInitialQuality, bool IsWritable)
{
UInt32 retval;
retval = OPCSvr.CreateTag(TagName, TagValue, TagDescr, TagInitialQuality, IsWritable);
if (retval <= 0)
{
throw new OPCSvrException("<ERROR> Add Tag Failed!");
}
}
/// <summary>
/// Sets value received from plc to tag.
/// Uses scaling if it needs.
/// Updates timestamps.
/// </summary>
/// <param name="value"></param>
/// <param name="qty"></param>
internal void SetValue(object value, TagQuality qty = TagQuality.GOOD)
{
Quality = qty;
Last = DateTime.Now.Ticks;
if (qty == TagQuality.GOOD)
{
Value = Scale?.ScaleDevToSrv(value) ?? value;
LastGood = Last;
}
}
public bool UpdateTag(UInt32 TagHandle, Object Value, TagQuality Quality)
{
bool flag = WtOPCInterface.UpdateTag(TagHandle, Value, (UInt16)Quality);
//if (flag)
//{
// this.tagList.FindTag(TagHandle).TagValue = Value;
//}
return(flag);
}
public bool UpdateTagByName(String Name, Object Value, TagQuality Quality)
{
bool flag = WtOPCInterface.UpdateTagByName(Name, Value, (UInt16)Quality);
if (flag)
{
//为什么只更新TagValue？
this.tagList.FindTag(Name).TagValue = Value;
}
return(flag);
}
/// <summary>
/// Creates a new <see cref="LogixTag"/> with the specified TagAddress.
/// </summary>
/// <param name="TagAddress">Address (Tag Name) of the item on the Processor.</param>
internal LogixTag(string TagAddress)
{
_enabled = true;
_parent = null;
_dataType = 0x00;
_address = TagAddress;
_lastError = string.Empty;
_lastErrorNumber = 0;
_tagQuality = TagQuality.Unknown;
_timeStamp = DateTime.MinValue;
}
/// <summary>
/// Creates a new <see cref="LogixTag"/> with the specified TagAddress and adds it to the <see cref="T:LogixProcessor"/>.
/// </summary>
/// <param name="TagAddress">Address (Tag Name) of the item on the Processor.</param>
/// <param name="Processor">Processor to add this <c>LogixTag</c> to.</param>
/// <param name="ElementCount"></param>
internal LogixTag(string TagAddress, LogixProcessor Processor, ushort ElementCount, object InitData = null)
#endif
{
_enabled = true;
_parent = Processor;
_dataType = 0x00;
_address = TagAddress;
_lastError = string.Empty;
_lastErrorNumber = 0;
_tagQuality = TagQuality.Unknown;
_timeStamp = DateTime.MinValue;
_elements = ElementCount;
Initialize(InitData);
//Processor.AddTag(this);
}
internal OPCTag(OPCClient refOPCClient, string name, string address, Type type, int?tagTypeSize = null, int elementN = 1)
{
//Reference to twincat client and to OPC client
ClientBound = refOPCClient;
_Quality = TagQuality.INIT;
_Name = string.IsNullOrWhiteSpace(name) ? _Address : name;
_TagType = type;
_TagTypeSize = tagTypeSize;
_ElementN = elementN;
_Address = address;
CheckItem();
}
public UInt32 CreateTag(String TagName, object TagValue, String TagDescr, TagQuality TagInitialQuality, bool IsWritable)
{
UInt32 num = WtOPCInterface.CreateTag(TagName, TagValue, (UInt16)TagInitialQuality, IsWritable);
if (num > 0)
{
TagInfo tagInfo = new TagInfo
{
TagHandle = num,
TagName = TagName,
TagQuality = TagInitialQuality,
TagValue = TagValue,
TagDescr = TagDescr
};
this.tagList.Add(tagInfo);
}
return(num);
}
public bool ReadItem()
{
if (ClientBound != null && ClientBound.IsConnected && ClientBound.IsAvailable)
{
try
{
//var resss = ClientBound.ClientSession.ReadValue(new NodeId(Address), TagType);
DataValue result = ClientBound.ClientSession.ReadValue(new NodeId(Address));
if (StatusCode.IsGood(result.StatusCode))
{
Value = result.Value;
TagType = result.Value.GetType();
Quality = TagQuality.GOOD;
LastUpdate = result.SourceTimestamp;
return(true);
}
else if (StatusCode.IsUncertain(result.StatusCode))
{
Quality = TagQuality.UNKNOWN;
LastUpdate = result.SourceTimestamp;
return(false);
}
else
{
Quality = TagQuality.NOT_AVAILABLE;
LastUpdate = result.SourceTimestamp;
return(false);
}
}
catch (Exception ex)
{
Quality = TagQuality.ERROR;
ClientBound.Logger?.LogWarning($"OPC - Read Error on: {this.Name} @ {this.Address}. Ex: {ex.Message}");
return(false);
}
}
else
{
Quality = TagQuality.DISCONNECTED;
return(false);
}
}
internal void RemoveFromSubscription()
{
try
{
//TODO
//if (ClientBound != null && IsSubscribed && this.IsAvailable)
//{
// ClientBound.ClientUA.UnsubscribeMonitoredItem(_NotificationHandler);
// _NotificationHandler = 0;
// IsSubscribed = false;
// Subscription_MaxEventFrequency = null;
// Subscription_MaxDelayToFireEvent = null;
//}
}
catch (Exception ex)
{
Quality = TagQuality.ERROR;
ClientBound.Logger?.LogException($"OPC - Failed to remove Subscription. Address: {this.Address}. Ex: {ex.Message}");
}
}
//private bool SetTagAddress(string address)
//{
// //get Namespace
// string[] TagAddress = address.Split(';');
// if (TagAddress.Length < 2 || (address.Count(f => f == '=')!=2))
// {
// //WRONG ADDRESS TYPE
// IsAvailable = false;
// _Address = address;
// ClientBound.Logger?.LogException($"OPC - Tag creation error on: {this.Name} @ {this.Address}. Address must be in the format: ns=x, s=xxx");
// return false;
// }
// else
// {
// string[] NamespacePart = TagAddress[0].Split('=');
// if (NamespacePart.Length >= 2)
// {
// int NS = 0;
// if (Int32.TryParse(NamespacePart[1], out NS))
// {
// _NameSpaceIndex = (ushort)NS;
// }
// }
// string[] AddressPart = TagAddress[1].Split('=');
// if (AddressPart.Length >= 2)
// {
// _Address = AddressPart[1];
// }
// return true;
// }
//}
#endregion
#region Tag Subscription
internal void OnSubscriptionNotification(MonitoredItem item, MonitoredItemNotificationEventArgs e)
{
try
{
foreach (var value in item.DequeueValues())
{
//Update tag
if (StatusCode.IsGood(value.StatusCode))
{
Value = value.Value;
LastUpdate = value.SourceTimestamp;
Quality = TagQuality.GOOD;
//Execute external event
_OnTagValueChange?.Invoke(this);
}
else
{
if (StatusCode.IsUncertain(value.StatusCode))
{
Quality = TagQuality.UNKNOWN;
}
else if (StatusCode.IsBad(value.StatusCode))
{
Quality = TagQuality.ERROR;
}
else
{
Quality = TagQuality.UNKNOWN;
}
ClientBound.Logger?.LogWarning($"OPCTag {this.Name} quality's {this.Quality}");
}
}
}
catch (Exception ex)
{
ClientBound.Logger?.LogException($"OPC - Tag Subscription Error. Address: {this.Address}. Ex: {ex.Message}");
}
}
internal void CheckItem()
{
try
{
//Try to check if Tag is available
if ((ClientBound.ClientSession != null) && ClientBound.IsConnected)
{
//Try to read item to check if is available
IsAvailable = this.ReadItem();
}
else
{
//Tag always available if online
IsAvailable = true;
}
}
catch (Exception ex)
{
Quality = TagQuality.NOT_AVAILABLE;
ClientBound.Logger?.LogException($"OPC - Tag creation error on: {this.Name} @ {this.Address}. Ex: {ex.Message}");
IsAvailable = false;
}
}
private void timer_Elapsed(object sender, ElapsedEventArgs e)
{
foreach (MoxaIPNode node in this.nodes)
{
TagQuality lastQuality = TagQuality.Bad;
if (node.IsAlive)
{
lastQuality = TagQuality.Good;
}
else
{
if (this.nodeIsNotResponding != null)
{
this.nodeIsNotResponding(this, new NodeEventArgs {
Node = node
});
}
}
foreach (MoxaTag tag in node.Tags)
{
tag.Quality = lastQuality;
}
}
}
internal void SetTagError(byte[] value)
{
TagQuality oldQuality = _tagQuality;
switch (value[0])
{
case 0x04:
_lastError = Resources.ErrorStrings.MalformedIOI;
_lastErrorNumber = (int)LogixErrors.MalformedIOI;
_tagQuality = TagQuality.Bad;
break;
case 0x05:
_lastError = Resources.ErrorStrings.ItemNotFound;
_lastErrorNumber = (int)LogixErrors.ItemNotFound;
_tagQuality = TagQuality.Bad;
break;
case 0x0A:
_lastError = Resources.ErrorStrings.AttributeError;
_lastErrorNumber = (int)LogixErrors.AttributeError;
_tagQuality = TagQuality.Bad;
break;
case 0x13:
_lastError = Resources.ErrorStrings.NotEnoughData;
_lastErrorNumber = (int)LogixErrors.NotEnoughData;
_tagQuality = TagQuality.Bad;
break;
case 0x1C:
_lastError = Resources.ErrorStrings.InsufficientAttributes;
_lastErrorNumber = (int)LogixErrors.InsufficientAttributes;
_tagQuality = TagQuality.Bad;
break;
case 0x26:
_lastError = Resources.ErrorStrings.InvalidIOILength;
_lastErrorNumber = (int)LogixErrors.InvalidIOILength;
_tagQuality = TagQuality.Bad;
break;
case 0xFF:
if (value.Length != 4)
{
_lastError = Resources.ErrorStrings.Unknown;
_lastErrorNumber = (int)LogixErrors.Unknown;
_tagQuality = TagQuality.Bad;
}
else
{
switch (value[2])
{
case 0x05:
_lastError = Resources.ErrorStrings.AccessBeyondObject;
_lastErrorNumber = (int)LogixErrors.AccessBeyondObject;
_tagQuality = TagQuality.Bad;
break;
case 0x07:
_lastError = Resources.ErrorStrings.AbbreviatedTypeError;
_lastErrorNumber = (int)LogixErrors.AbbreviatedTypeError;
_tagQuality = TagQuality.Bad;
break;
case 0x04:
_lastError = Resources.ErrorStrings.BeginOffsetError;
_lastErrorNumber = (int)LogixErrors.BeginOffsetError;
_tagQuality = TagQuality.Bad;
break;
default:
_lastError = Resources.ErrorStrings.Unknown;
_lastErrorNumber = (int)LogixErrors.Unknown;
_tagQuality = TagQuality.Bad;
break;
}
}
break;
case 0x06:
case 0x00:
_lastErrorNumber = 0x00;
_lastError = string.Empty;
_tagQuality = TagQuality.Good;
break;
default:
_lastError = Resources.ErrorStrings.Unknown;
_lastErrorNumber = (int)LogixErrors.Unknown;
_tagQuality = TagQuality.Bad;
break;
}
if (_tagQuality != oldQuality)
{
RaiseTagQualityChanged(this);
}
}
internal bool UpdateValue(byte[] value, uint byteOffset = 0)
#endif
{
if (!Enabled)
return false;
//The structure is always a 2 byte type code followed by the
//actual data...
ushort typeCode = BitConverter.ToUInt16(value, 0);
if (_dataType == 0)
{
//Setting the type code for the first time...
_dataType = typeCode;
}
else
{
if (_dataType != typeCode)
{
_tagQuality = TagQuality.Bad;
_lastError = Resources.ErrorStrings.TypeMismatch + "0x" + typeCode.ToString("X2");
_lastErrorNumber = (int)LogixErrors.TypeMismatch;
throw new Exception(Resources.ErrorStrings.TypeMismatch + "0x" + typeCode.ToString("X2"));
}
}
byte[] temp = new byte[value.Length - 2];
Buffer.BlockCopy(value, 2, temp, 0, temp.Length);
_timeStamp = DateTime.Now;
return OnDataUpdated(temp, byteOffset);
}
/// <summary>
/// Creates a new <see cref="LogixTag"/> with the specified TagAddress and adds it to the <see cref="T:LogixProcessor"/>.
/// </summary>
/// <param name="TagAddress">Address (Tag Name) of the item on the Processor.</param>
/// <param name="Processor">Processor to add this <c>LogixTag</c> to.</param>
/// <param name="ElementCount"></param>
internal LogixTag(string TagAddress, LogixProcessor Processor, ushort ElementCount, object InitData = null)
#endif
{
_enabled = true;
_parent = Processor;
_dataType = 0x00;
_address = TagAddress;
_lastError = string.Empty;
_lastErrorNumber = 0;
_tagQuality = TagQuality.Unknown;
_timeStamp = DateTime.MinValue;
_elements = ElementCount;
Initialize(InitData);
//Processor.AddTag(this);
}
internal void SetTagError(byte[] value)
{
TagQuality oldQuality = _tagQuality;
switch (value[0])
{
case 0x04:
_lastError = Resources.ErrorStrings.MalformedIOI;
_lastErrorNumber = (int)LogixErrors.MalformedIOI;
_tagQuality = TagQuality.Bad;
break;
case 0x05:
_lastError = Resources.ErrorStrings.ItemNotFound;
_lastErrorNumber = (int)LogixErrors.ItemNotFound;
_tagQuality = TagQuality.Bad;
break;
case 0x0A:
_lastError = Resources.ErrorStrings.AttributeError;
_lastErrorNumber = (int)LogixErrors.AttributeError;
_tagQuality = TagQuality.Bad;
break;
case 0x13:
_lastError = Resources.ErrorStrings.NotEnoughData;
_lastErrorNumber = (int)LogixErrors.NotEnoughData;
_tagQuality = TagQuality.Bad;
break;
case 0x1C:
_lastError = Resources.ErrorStrings.InsufficientAttributes;
_lastErrorNumber = (int)LogixErrors.InsufficientAttributes;
_tagQuality = TagQuality.Bad;
break;
case 0x26:
_lastError = Resources.ErrorStrings.InvalidIOILength;
_lastErrorNumber = (int)LogixErrors.InvalidIOILength;
_tagQuality = TagQuality.Bad;
break;
case 0xFF:
if (value.Length != 4)
{
_lastError = Resources.ErrorStrings.Unknown;
_lastErrorNumber = (int)LogixErrors.Unknown;
_tagQuality = TagQuality.Bad;
}
else
{
switch (value[2])
{
case 0x05:
_lastError = Resources.ErrorStrings.AccessBeyondObject;
_lastErrorNumber = (int)LogixErrors.AccessBeyondObject;
_tagQuality = TagQuality.Bad;
break;
case 0x07:
_lastError = Resources.ErrorStrings.AbbreviatedTypeError;
_lastErrorNumber = (int)LogixErrors.AbbreviatedTypeError;
_tagQuality = TagQuality.Bad;
break;
case 0x04:
_lastError = Resources.ErrorStrings.BeginOffsetError;
_lastErrorNumber = (int)LogixErrors.BeginOffsetError;
_tagQuality = TagQuality.Bad;
break;
default:
_lastError = Resources.ErrorStrings.Unknown;
_lastErrorNumber = (int)LogixErrors.Unknown;
_tagQuality = TagQuality.Bad;
break;
}
}
break;
case 0x06:
case 0x00:
_lastErrorNumber = 0x00;
_lastError = string.Empty;
_tagQuality = TagQuality.Good;
break;
default:
_lastError = Resources.ErrorStrings.Unknown;
_lastErrorNumber = (int)LogixErrors.Unknown;
_tagQuality = TagQuality.Bad;
break;
}
if (_tagQuality != oldQuality)
RaiseTagQualityChanged(this);
}
public void UpdateTag(string tagName, object value, TagQuality quanlity)
{
TagInfo info = TagList.FindTag(tagName);
UpdateTag(info.TagHandle, value, quanlity);
}
/// <summary>
/// Creates a new <see cref="LogixTag"/> with the specified TagAddress.
/// </summary>
/// <param name="TagAddress">Address (Tag Name) of the item on the Processor.</param>
internal LogixTag(string TagAddress)
{
_enabled = true;
_parent = null;
_dataType = 0x00;
_address = TagAddress;
_lastError = string.Empty;
_lastErrorNumber = 0;
_tagQuality = TagQuality.Unknown;
_timeStamp = DateTime.MinValue;
}
