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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#ifndef CEPH_AGER_H
#define CEPH_AGER_H
#include "include/types.h"
#include "include/Distribution.h"
#include "os/ObjectStore.h"
#include "common/Clock.h"
#include <list>
#include <vector>
using namespace std;
class Ager {
ObjectStore *store;
private:
list<file_object_t> age_free_oids;
file_object_t age_cur_oid;
vector< list<file_object_t> > age_objects;
Distribution file_size_distn; //kb
bool did_distn;
void age_empty(float pc);
uint64_t age_fill(float pc, utime_t until);
ssize_t age_pick_size();
file_object_t age_get_oid();
public:
Ager(ObjectStore *s) : store(s), did_distn(false) {}
void age(int time,
float high_water, // fill to this %
float low_water, // then empty to this %
int count, // this many times
float final_water, // and end here ( <= low_water)
int fake_size_mb=0);
void save_freelist(int);
void load_freelist();
};
#endif
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