/// <summary>
/// Sets the variable value.
/// </summary>
private void SetVariable(VarItem varItem, CnlData[] cnlData, int dataIndex, DateTime timestamp)
{
try
{
DeviceTag deviceTag = varItem.DeviceTag;
int dataLength = deviceTag.DataLength;
object value = 0.0;
switch (deviceTag.DataType)
{
case TagDataType.Double:
value = deviceTag.IsArray ?
(object)CnlDataConverter.GetDoubleArray(cnlData, dataIndex, dataLength) :
CnlDataConverter.GetDouble(cnlData, dataIndex);
break;
case TagDataType.Int64:
value = deviceTag.IsArray ?
(object)CnlDataConverter.GetInt64Array(cnlData, dataIndex, dataLength) :
CnlDataConverter.GetInt64(cnlData, dataIndex);
break;
case TagDataType.ASCII:
value = CnlDataConverter.GetAscii(cnlData, dataIndex, dataLength);
break;
case TagDataType.Unicode:
value = CnlDataConverter.GetUnicode(cnlData, dataIndex, dataLength);
break;
}
BaseDataVariableState variable = varItem.Variable;
variable.Value = value;
variable.StatusCode = CnlDataConverter.GetStatus(cnlData, dataIndex, dataLength) > CnlStatusID.Undefined ?
StatusCodes.Good : StatusCodes.Bad;
variable.Timestamp = timestamp;
variable.ClearChangeMasks(SystemContext, false);
}
catch (Exception ex)
{
log.WriteException(ex, Locale.IsRussian ?
"Ошибка при установке значения переменной {0}" :
"Error setting the variable {0}", varItem.Variable.NodeId);
}
}
/// <summary>
/// Builds a payload based on the device tag data to publish.
/// </summary>
public string BuildPayload(DeviceTag deviceTag, CnlData[] cnlData, int dataIndex)
{
int dataLength = deviceTag.DataLength;
int stat = CnlDataConverter.GetStatus(cnlData, dataIndex, dataLength);
bool formatIsEmpty = string.IsNullOrEmpty(dsOptions.PublishOptions.PublishFormat);
if (formatIsEmpty && stat <= CnlStatusID.Undefined)
{
return(dsOptions.PublishOptions.UndefinedValue);
}
string valStr = "";
switch (deviceTag.DataType)
{
case TagDataType.Double:
valStr = deviceTag.IsNumericArray
? ArrayToString(CnlDataConverter.GetDoubleArray(cnlData, dataIndex, dataLength))
: CnlDataConverter.GetDouble(cnlData, dataIndex).ToString(NumberFormatInfo.InvariantInfo);
break;
case TagDataType.Int64:
valStr = deviceTag.IsNumericArray
? ArrayToString(CnlDataConverter.GetInt64Array(cnlData, dataIndex, dataLength))
: CnlDataConverter.GetInt64(cnlData, dataIndex).ToString(NumberFormatInfo.InvariantInfo);
break;
case TagDataType.ASCII:
valStr = CnlDataConverter.GetAscii(cnlData, dataIndex, dataLength);
break;
case TagDataType.Unicode:
valStr = CnlDataConverter.GetUnicode(cnlData, dataIndex, dataLength);
break;
}
return(formatIsEmpty
? valStr
: MqttUtils.FormatPayload(dsOptions.PublishOptions.PublishFormat, valStr, stat));
}
