mariadb/ft/logfilemgr.h

/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
#ifndef TOKULOGFILEMGR_H
#define TOKULOGFILEMGR_H

#ident "$Id$"
/*
COPYING CONDITIONS NOTICE:

  This program is free software; you can redistribute it and/or modify
  it under the terms of version 2 of the GNU General Public License as
  published by the Free Software Foundation, and provided that the
  following conditions are met:

      * Redistributions of source code must retain this COPYING
        CONDITIONS NOTICE, the COPYRIGHT NOTICE (below), the
        DISCLAIMER (below), the UNIVERSITY PATENT NOTICE (below), the
        PATENT MARKING NOTICE (below), and the PATENT RIGHTS
        GRANT (below).

      * Redistributions in binary form must reproduce this COPYING
        CONDITIONS NOTICE, the COPYRIGHT NOTICE (below), the
        DISCLAIMER (below), the UNIVERSITY PATENT NOTICE (below), the
        PATENT MARKING NOTICE (below), and the PATENT RIGHTS
        GRANT (below) in the documentation and/or other materials
        provided with the distribution.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  02110-1301, USA.

COPYRIGHT NOTICE:

  TokuDB, Tokutek Fractal Tree Indexing Library.
  Copyright (C) 2007-2013 Tokutek, Inc.

DISCLAIMER:

  This program is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  General Public License for more details.

UNIVERSITY PATENT NOTICE:

  The technology is licensed by the Massachusetts Institute of
  Technology, Rutgers State University of New Jersey, and the Research
  Foundation of State University of New York at Stony Brook under
  United States of America Serial No. 11/760379 and to the patents
  and/or patent applications resulting from it.

PATENT MARKING NOTICE:

  This software is covered by US Patent No. 8,185,551.

PATENT RIGHTS GRANT:

  "THIS IMPLEMENTATION" means the copyrightable works distributed by
  Tokutek as part of the Fractal Tree project.

  "PATENT CLAIMS" means the claims of patents that are owned or
  licensable by Tokutek, both currently or in the future; and that in
  the absence of this license would be infringed by THIS
  IMPLEMENTATION or by using or running THIS IMPLEMENTATION.

  "PATENT CHALLENGE" shall mean a challenge to the validity,
  patentability, enforceability and/or non-infringement of any of the
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  or agree to the institution of patent litigation against any entity
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  THIS IMPLEMENTATION constitutes direct or contributory patent
  infringement, or inducement of patent infringement, then any rights
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*/

#ident "Copyright (c) 2007-2013 Tokutek Inc.  All rights reserved."
#ident "The technology is licensed by the Massachusetts Institute of Technology, Rutgers State University of New Jersey, and the Research Foundation of State University of New York at Stony Brook under United States of America Serial No. 11/760379 and to the patents and/or patent applications resulting from it."

#include <ft/log_header.h>


// this is the basic information we need to keep per logfile
struct toku_logfile_info {
    int64_t index;
    LSN maxlsn;
    uint32_t version;
};
typedef struct toku_logfile_info *TOKULOGFILEINFO;

struct toku_logfilemgr;
typedef struct toku_logfilemgr *TOKULOGFILEMGR;

int toku_logfilemgr_create(TOKULOGFILEMGR *lfm);
int toku_logfilemgr_destroy(TOKULOGFILEMGR *lfm);

int toku_logfilemgr_init(TOKULOGFILEMGR lfm, const char *log_dir, TXNID *last_xid_if_clean_shutdown);
int toku_logfilemgr_num_logfiles(TOKULOGFILEMGR lfm);
int toku_logfilemgr_add_logfile_info(TOKULOGFILEMGR lfm, TOKULOGFILEINFO lf_info);
TOKULOGFILEINFO toku_logfilemgr_get_oldest_logfile_info(TOKULOGFILEMGR lfm);
void toku_logfilemgr_delete_oldest_logfile_info(TOKULOGFILEMGR lfm);
LSN toku_logfilemgr_get_last_lsn(TOKULOGFILEMGR lfm);
void toku_logfilemgr_update_last_lsn(TOKULOGFILEMGR lfm, LSN lsn);

void toku_logfilemgr_print(TOKULOGFILEMGR lfm);


#endif //TOKULOGFILEMGR_H