/// <summary>
/// Open a new output file.
/// </summary>
/// <remarks>Any existing file will be closed.</remarks>
private void OpenFile()
{
//clear the existing file pointer to make sure if we fail, it's gone.
//we also rely on this to distinguish adding a new file to an existing stream.
CloseFile(false);
//increment our session file counter since we're going to open a new file
m_CurrentSessionFile++;
//Calculate our candidate file name (with path) based on what we know.
string fileNamePath = Path.Combine(m_RepositoryFolder, MakeFileName());
//now double check that the candidate path is unique
fileNamePath = FileSystemTools.MakeFileNamePathUnique(fileNamePath);
//we now have a unique file name, create the file.
FileSystemTools.EnsurePathExists(fileNamePath);
m_CurrentFile = new FileStream(fileNamePath, FileMode.CreateNew, FileAccess.Write);
//and open a serializer on it
m_CurrentSerializer = new GLFWriter(m_CurrentFile, Publisher.SessionSummary, m_CurrentSessionFile, DateTimeOffset.Now);
//write out every header packet to the stream
ICachedMessengerPacket[] headerPackets = Publisher.HeaderPackets;
if (headerPackets != null)
{
foreach (ICachedMessengerPacket packet in headerPackets)
{
m_CurrentSerializer.Write(packet);
}
}
//and set a time for us to do our next index update.
m_FileExpiration = DateTime.Now.AddSeconds(m_MaxLogDurationSeconds);
}
