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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2016 Michael Sevilla <mikesevilla3@gmail.com>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#ifndef CEPH_MANTLE_H
#define CEPH_MANTLE_H
#include <string_view>
#include <lua.hpp>
#include <vector>
#include <map>
#include <string>
#include "mdstypes.h"
class Mantle {
public:
Mantle();
~Mantle() { if (L) lua_close(L); }
int balance(std::string_view script,
mds_rank_t whoami,
const std::vector <std::map<std::string, double>> &metrics,
std::map<mds_rank_t,double> &my_targets);
protected:
lua_State *L;
};
#endif
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