/// <summary>
/// Create new instance of <see cref="JsonNetworkMessage"/> as a DataSet message
/// </summary>
/// <param name="writerGroupConfiguration">The <see cref="WriterGroupDataType"/> configuration object that produced this message.</param>
/// <param name="jsonDataSetMessages"><see cref="JsonDataSetMessage"/> list as input</param>
public JsonNetworkMessage(WriterGroupDataType writerGroupConfiguration, List <JsonDataSetMessage> jsonDataSetMessages)
: base(writerGroupConfiguration, jsonDataSetMessages?.ConvertAll <UaDataSetMessage>(x => (UaDataSetMessage)x) ?? new List <UaDataSetMessage>())
{
MessageId = Guid.NewGuid().ToString();
MessageType = kDataSetMessageType;
DataSetClassId = string.Empty;
m_jsonNetworkMessageType = JSONNetworkMessageType.DataSetMessage;
}
/// <summary>
/// Create new instance of <see cref="JsonNetworkMessage"/> as a DataSetMetadata message
/// </summary>
public JsonNetworkMessage(WriterGroupDataType writerGroupConfiguration, DataSetMetaDataType metadata)
: base(writerGroupConfiguration, metadata)
{
MessageId = Guid.NewGuid().ToString();
MessageType = kMetaDataMessageType;
DataSetClassId = string.Empty;
m_jsonNetworkMessageType = JSONNetworkMessageType.DataSetMetaData;
}
/// <summary>
/// Encode Network Message Header
/// </summary>
/// <param name="jsonDecoder"></param>
private void DecodeNetworkMessageHeader(JsonDecoder jsonDecoder)
{
object token = null;
if (jsonDecoder.ReadField(nameof(MessageId), out token))
{
MessageId = jsonDecoder.ReadString(nameof(MessageId));
NetworkMessageContentMask = JsonNetworkMessageContentMask.NetworkMessageHeader;
}
if (jsonDecoder.ReadField(nameof(MessageType), out token))
{
MessageType = jsonDecoder.ReadString(nameof(MessageType));
// detect the json network message type
if (MessageType == kDataSetMessageType)
{
m_jsonNetworkMessageType = JSONNetworkMessageType.DataSetMessage;
}
else if (MessageType == kMetaDataMessageType)
{
m_jsonNetworkMessageType = JSONNetworkMessageType.DataSetMetaData;
}
else
{
m_jsonNetworkMessageType = JSONNetworkMessageType.Invalid;
Utils.Format("Invalid JSON MessageType: {0}. Supported values are {1} and {2}.",
MessageType, kDataSetMessageType, kMetaDataMessageType);
}
}
if (jsonDecoder.ReadField(nameof(PublisherId), out token))
{
PublisherId = jsonDecoder.ReadString(nameof(PublisherId));
if (m_jsonNetworkMessageType == JSONNetworkMessageType.DataSetMessage)
{
// the NetworkMessageContentMask is set only for DataSet messages
NetworkMessageContentMask |= JsonNetworkMessageContentMask.PublisherId;
}
}
if (jsonDecoder.ReadField(nameof(DataSetClassId), out token))
{
DataSetClassId = jsonDecoder.ReadString(nameof(DataSetClassId));
NetworkMessageContentMask |= JsonNetworkMessageContentMask.DataSetClassId;
}
if (m_jsonNetworkMessageType == JSONNetworkMessageType.DataSetMetaData)
{
// for metadata messages the DataSetWriterId field is mandatory
if (jsonDecoder.ReadField(nameof(DataSetWriterId), out token))
{
DataSetWriterId = jsonDecoder.ReadUInt16(nameof(DataSetWriterId));
}
else
{
Utils.Trace("The JSON MetaDataMessage cannot be decoded: The DataSetWriterId property is missing for MessageId:{0}.", MessageId);
}
}
}
