The C# LogWriter Class

    [Flags]
    public enum LogFlags : ushort
    {
        Aligned          = 0x01,   // Start each record with new disk page
        Append           = 0x02,   // Append to an existing log file
        Crc              = 0x04,   // Cover transaction data with CRC32
        SizeCallback     = 0x08,   // User callback to limit size (not supported in .NET)
        SyncInstantly    = 0x10,   // Do disk flush on each record
        SyncTimer        = 0x20,   // Do disk flush by timer
        SyncCount        = 0x40,   // Do disk flush by record count
        Iterable         = 0x80,   // Make log applicable for LogReader iteration
        Restart          = 0x100,  // Stop previous log at once
        Pipe             = 0x200,  // Use pipe interface instead of file
        DynamicPipe      = 0x1000  // Support for dynamic pipes
    }

    public class LogWriter
    {
        // ===== NESTED STRUCT: LogParams =====
        public struct LogParams
        {
            public LogFlags Flags;
            public ushort   DiskPageSize;
            public ushort   FlushDepth;
            public TimeSpan FlushTime;
        }

        // ===== NESTED STRUCT: LogInfo =====
        public struct LogInfo
        {
            public LogFlags Flags;
            public long     StartTransCounter;
            public long     LastTransCounter;
            public long     StoredTransactions;
            public long     LogSize;
            public long     PipeUsedSize;
            public int      LabelsCount;
            public uint     MaxParallelTrans;
            public uint     ExceededTransSlotsCount;
            public long     MaxTransactionSize;
        }

        // ===== CONSTRUCTOR =====
        public LogWriter(Connection con, string filePath);

        // ===== LIFECYCLE METHODS =====
        public void Start(LogParams logParams);
        public void Stop();
        public void Terminate();
        public void Truncate();

        // ===== LOG MANAGEMENT METHODS =====
        public int SetLabel(string label);
        public bool SaveSnapshot(String databaseSnapshotFilePath);
        public void Flush();

        // ===== INFORMATION METHODS =====
        public LogInfo GetInfo();
    }