public SharedMemoryRecordingHeader ReadHeader()
{
var header = new SharedMemoryRecordingHeader();
using (var reader = new BinaryReader(input: _fileStream, encoding: Encoding.UTF8, leaveOpen: true))
{
header.Magic = reader.ReadBytes(4);
header.NumSamples = reader.ReadUInt64();
header.SampleInterval = reader.ReadUInt16();
}
return(header);
}
public void WriteHeader()
{
_fileStream.Seek(0, SeekOrigin.Begin);
using (var writer = new BinaryWriter(output: _fileStream, encoding: Encoding.UTF8, leaveOpen: true))
{
var header = new SharedMemoryRecordingHeader();
header.Magic = new byte[4] {
(byte)'S', (byte)'M', (byte)'X', (byte)'2'
};
header.NumSamples = NumSamples;
header.SampleInterval = DEFAULT_SAMPLING_INTERVAL_MS;
writer.Write(header.Magic, 0, header.Magic.Length);
writer.Write(header.NumSamples);
writer.Write(header.SampleInterval);
writer.Flush();
}
}