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https://github.com/ceph/ceph
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665688c9de
git-svn-id: https://ceph.svn.sf.net/svnroot/ceph@1543 29311d96-e01e-0410-9327-a35deaab8ce9
45 lines
1.0 KiB
C++
45 lines
1.0 KiB
C++
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
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// vim: ts=8 sw=2 smarttab
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#ifndef __AGER_H
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#define __AGER_H
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#include "include/types.h"
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#include "include/Distribution.h"
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#include "ObjectStore.h"
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#include "common/Clock.h"
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#include <list>
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#include <vector>
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using namespace std;
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class Ager {
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ObjectStore *store;
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private:
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list<object_t> age_free_oids;
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object_t age_cur_oid;
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vector< list<object_t> > age_objects;
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Distribution file_size_distn; //kb
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bool did_distn;
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void age_empty(float pc);
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uint64_t age_fill(float pc, utime_t until);
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ssize_t age_pick_size();
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object_t age_get_oid();
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public:
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Ager(ObjectStore *s) : store(s), did_distn(false) {}
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void age(int time,
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float high_water, // fill to this %
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float low_water, // then empty to this %
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int count, // this many times
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float final_water, // and end here ( <= low_water)
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int fake_size_mb=0);
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void save_freelist(int);
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void load_freelist();
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};
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#endif
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