public KeyIndex(string filename, long keysFileLength, bool mmapFile)
{
_keyIndexReader = new BinaryFileReader(filename, mmapFile);
long filelength = _keyIndexReader.BaseStream.Length;
_keyIndexReader.Seek(-12, SeekOrigin.End);
_numRecords = _keyIndexReader.ReadInt64();
_keyGroupSize = _keyIndexReader.ReadUInt32();
_numKeyGroups = _CalcNumKeyGroups(_numRecords, _keyGroupSize);
_keysFileLength = keysFileLength;
}
public KeyCacheReader(string dbdir, uint keyGroupSize, bool mmapFiles)
{
_keyGroupSize = keyGroupSize;
#if NAMEDPIPEMODE
string file = dbdir + ":cache-index";
_cacheIndexReader = new BinaryFileReader(file, mmapFiles);
file = dbdir + ":cache";
_cacheReader = new BinaryFileReader(file, mmapFiles);
_bytesPerIndex = TMSNStoreUtils.BytesPerKeyIndexOffset;
#else
string file = Path.Combine(dbdir, "cache-index");
_cacheIndexReader = new BinaryFileReader(file, mmapFiles);
file = Path.Combine(dbdir, "cache");
_cacheReader = new BinaryFileReader(file, mmapFiles);
_bytesPerIndex = TMSNStoreUtils.BytesPerKeyIndexOffset;
#endif
}