83 lines
2.7 KiB
C
83 lines
2.7 KiB
C
/*
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* Copyright (c) 2017, Peter Haag
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* Copyright (c) 2014, Peter Haag
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* Copyright (c) 2009, Peter Haag
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* Copyright (c) 2004-2008, SWITCH - Teleinformatikdienste fuer Lehre und Forschung
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of the author nor the names of its contributors may be
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* used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef _NFSTATFILE_H
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#define _NFSTATFILE_H 1
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#include "config.h"
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#include <sys/types.h>
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#ifdef HAVE_STDINT_H
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#include <stdint.h>
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#endif
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typedef struct dirstat_s {
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uint64_t first; // for more easy parsing and assigning, take a uint64_t also for the time_t type
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uint64_t last;
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uint64_t numfiles;
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uint64_t filesize;
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uint64_t max_size;
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uint64_t max_lifetime;
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uint64_t low_water;
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uint64_t status;
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} dirstat_t;
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typedef struct dirstat_env_s {
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dirstat_t *dirstat;
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int fd;
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char *filename;
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int index;
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} dirstat_env_t;
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enum { STATFILE_OK = 0, ERR_FAIL, ERR_NOSTATFILE, FORCE_REBUILD };
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#define READ_ONLY 0
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#define CREATE_AND_LOCK 1
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#define LOCK_IF_EXISTS 2
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#define stat_filename ".nfstat"
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char *ScaleValue(uint64_t v);
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char *ScaleTime(uint64_t v);
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void PrintDirStat(dirstat_t *dirstat);
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int ReadStatInfo(char *dirname, dirstat_t **dirstat_p, int lock );
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int WriteStatInfo(dirstat_t *dirstat);
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int ReleaseStatInfo(dirstat_t *dirstat);
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#endif //_NFSTATFILE_H
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