public MetaFrame(EncodingOptions options)
{
Name = new String();
Description = new LocalizedText();
ConfigurationVersion = new ConfigurationVersion();
DiscoveryResponseHeader = new DiscoveryResponseHeader
{
ResponseType = 2
};
}
public static MetaFrame Decode(Stream inputStream, EncodingOptions options)
{
MetaFrame instance = new MetaFrame();
if (inputStream == null)
{
return(null);
}
instance.DiscoveryResponseHeader = DiscoveryResponseHeader.Decode(inputStream);
bool chunkResult = DeocdeChunk(inputStream, options, ref instance);
if (chunkResult)
{
return(instance);
}
return(null);
}
/// <summary>
/// Encodes just the DataSetMetaData message to the given Stream.
/// NetworkMessage Header and DiscoveryResponse are not encoded.
/// </summary>
/// <param name="outputStream"></param>
public void EncodeChunk(Stream outputStream)
{
DiscoveryResponseHeader.Encode(outputStream);
// DataSetWriterID
BaseType.WriteToStream(outputStream, BitConverter.GetBytes(DataSetWriterID));
EncodeDataTypeSchemaHeaderStructure(outputStream);
// Name
Name.Encode(outputStream);
// Description
Description.Encode(outputStream);
// Fields
int fieldLength = -1;
if (FieldMetaDataList != null)
{
fieldLength = FieldMetaDataList.Count;
}
BaseType.WriteToStream(outputStream, BitConverter.GetBytes(fieldLength));
for (int i = 0; i < fieldLength; i++)
{
// ReSharper disable once PossibleNullReferenceException
FieldMetaData field = FieldMetaDataList[i] ?? new FieldMetaData(Options);
field.Encode(outputStream);
}
// DataSet Class ID
BaseType.WriteToStream(outputStream, DataSetClassID.ToByteArray());
// Version
ConfigurationVersion.Encode(outputStream);
// Status Code
BaseType.WriteToStream(outputStream, BitConverter.GetBytes(StatusCode));
}
