/// <summary>
/// Create the list of network messages built from the provided writerGroupConfiguration
/// </summary>
public override IList <UaNetworkMessage> CreateNetworkMessages(WriterGroupDataType writerGroupConfiguration)
{
UadpWriterGroupMessageDataType messageSettings = ExtensionObject.ToEncodeable(writerGroupConfiguration.MessageSettings)
as UadpWriterGroupMessageDataType;
if (messageSettings == null)
{
//Wrong configuration of writer group MessageSettings
return(null);
}
DatagramWriterGroupTransportDataType transportSettings = ExtensionObject.ToEncodeable(writerGroupConfiguration.TransportSettings)
as DatagramWriterGroupTransportDataType;
if (transportSettings == null)
{
//Wrong configuration of writer group TransportSettings
return(null);
}
//Create list of dataSet messages to be sent
List <UaDataSetMessage> dataSetMessages = new List <UaDataSetMessage>();
foreach (DataSetWriterDataType dataSetWriter in writerGroupConfiguration.DataSetWriters)
{
//check if dataSetWriter enabled
if (dataSetWriter.Enabled)
{
DataSet dataSet = Application.DataCollector.CollectData(dataSetWriter.DataSetName);
if (dataSet != null)
{
UadpDataSetWriterMessageDataType dataSetMessageSettings =
ExtensionObject.ToEncodeable(dataSetWriter.MessageSettings) as
UadpDataSetWriterMessageDataType;
// check MessageSettings to see how to encode DataSet
if (dataSetMessageSettings != null)
{
UadpDataSetMessage uadpDataSetMessage = new UadpDataSetMessage(dataSet);
uadpDataSetMessage.DataSetWriterId = dataSetWriter.DataSetWriterId;
uadpDataSetMessage.SetMessageContentMask((UadpDataSetMessageContentMask)dataSetMessageSettings.DataSetMessageContentMask);
uadpDataSetMessage.SetFieldContentMask((DataSetFieldContentMask)dataSetWriter.DataSetFieldContentMask);
uadpDataSetMessage.SequenceNumber = (ushort)(Utils.IncrementIdentifier(ref m_dataSetSequenceNumber) % UInt16.MaxValue);
uadpDataSetMessage.ConfiguredSize = dataSetMessageSettings.ConfiguredSize;
uadpDataSetMessage.DataSetOffset = dataSetMessageSettings.DataSetOffset;
uadpDataSetMessage.Timestamp = DateTime.UtcNow;
uadpDataSetMessage.Status = StatusCodes.Good;
dataSetMessages.Add(uadpDataSetMessage);
}
}
}
}
//cancel send if no dataset message
if (dataSetMessages.Count == 0)
{
return(null);
}
UadpNetworkMessage uadpNetworkMessage = new UadpNetworkMessage(writerGroupConfiguration, dataSetMessages);
uadpNetworkMessage.SetNetworkMessageContentMask((UadpNetworkMessageContentMask)messageSettings.NetworkMessageContentMask);
uadpNetworkMessage.WriterGroupId = writerGroupConfiguration.WriterGroupId;
// Network message header
uadpNetworkMessage.PublisherId = PubSubConnectionConfiguration.PublisherId.Value;
uadpNetworkMessage.SequenceNumber = (ushort)(Utils.IncrementIdentifier(ref m_sequenceNumber) % UInt16.MaxValue);
// Writer group header
uadpNetworkMessage.GroupVersion = messageSettings.GroupVersion;
uadpNetworkMessage.NetworkMessageNumber = 1; //only one network message per publish
return(new List <UaNetworkMessage>()
{
uadpNetworkMessage
});
}
