Exemple #1
0
        /// <summary>
        /// DB implementations can export properties about their state
        /// via this method.  If "property" is a valid property understood by this
        /// DB implementation, fills "*value" with its current value and returns
        /// true.  Otherwise returns false.
        ///
        /// Valid property names include:
        ///
        ///  "leveldb.num-files-at-level<N>" - return the number of files at level <N>,
        ///     where <N> is an ASCII representation of a level number (e.g. "0").
        ///  "leveldb.stats" - returns a multi-line string that describes statistics
        ///     about the internal operation of the DB.
        /// </summary>
        public string PropertyValue(string name)
        {
            string result = null;
            var    ptr    = LevelDBInterop.leveldb_property_value(this.Handle, name);

            if (ptr != IntPtr.Zero)
            {
                try
                {
                    return(Marshal.PtrToStringAnsi(ptr));
                }
                finally
                {
                    LevelDBInterop.leveldb_free(ptr);
                }
            }
            return(result);
        }