public FileReaderItem Next()
{
TryAgain:
m_nextPacket = m_stream.Read();
if ((object)m_nextPacket == null)
{
return(FileReaderItem.EndOfStream);
}
if (m_nextPacket.CommandName == "DataStreamNormal")
{
if (m_decoderNormal == null)
{
m_decoderNormal = new NormalDecoder();
}
m_decoderNormal.Load(((CommandDataStreamNormal)m_nextPacket));
m_currentDecoder = m_decoderNormal;
return(FileReaderItem.DataPoint);
}
else if (m_nextPacket.CommandName == "ProducerMetadata")
{
m_metadata = (SttpProducerMetadata)m_nextPacket;
foreach (var item in m_metadata.DataPoints)
{
m_metadataLookup[item.DataPointID] = item;
}
return(FileReaderItem.ProducerMetadata);
}
goto TryAgain;
}
private void ReadCtp(string fileName)
{
DataTable dt = new DataTable();
dt.Columns.Add("Command", typeof(string));
dt.Columns.Add("Length", typeof(int));
dt.Columns.Add("Record", typeof(string));
using (var fs = new FileStream(fileName, FileMode.Open))
using (var ctp = new CtpFileStream(fs, CtpCompressionMode.None, false))
{
while (true)
{
var cmd = ctp.Read();
if ((object)cmd == null)
{
break;
}
dt.Rows.Add(cmd.CommandName, cmd.DataLength, cmd);
}
}
dataGridView1.DataSource = dt;
}