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/*
* Copyright (c) 1983, 1995 Eric P. Allman
* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
static char sccsid[] = "@(#)stats.c 8.5 (Berkeley) 5/28/95";
#endif /* not lint */
# include "sendmail.h"
# include "mailstats.h"
struct statistics Stat;
bool GotStats = FALSE; /* set when we have stats to merge */
#define ONE_K 1000 /* one thousand (twenty-four?) */
#define KBYTES(x) (((x) + (ONE_K - 1)) / ONE_K)
/*
** MARKSTATS -- mark statistics
*/
void
markstats(e, to)
register ENVELOPE *e;
register ADDRESS *to;
{
if (to == NULL)
{
if (e->e_from.q_mailer != NULL)
{
Stat.stat_nf[e->e_from.q_mailer->m_mno]++;
Stat.stat_bf[e->e_from.q_mailer->m_mno] +=
KBYTES(e->e_msgsize);
}
}
else
{
Stat.stat_nt[to->q_mailer->m_mno]++;
Stat.stat_bt[to->q_mailer->m_mno] += KBYTES(e->e_msgsize);
}
GotStats = TRUE;
}
/*
** POSTSTATS -- post statistics in the statistics file
**
** Parameters:
** sfile -- the name of the statistics file.
**
** Returns:
** none.
**
** Side Effects:
** merges the Stat structure with the sfile file.
*/
void
poststats(sfile)
char *sfile;
{
register int fd;
struct statistics stat;
extern off_t lseek();
if (sfile == NULL || !GotStats)
return;
(void) time(&Stat.stat_itime);
Stat.stat_size = sizeof Stat;
fd = open(sfile, O_RDWR);
if (fd < 0)
{
errno = 0;
return;
}
(void) lockfile(fd, sfile, NULL, LOCK_EX);
if (read(fd, (char *) &stat, sizeof stat) == sizeof stat &&
stat.stat_size == sizeof stat)
{
/* merge current statistics into statfile */
register int i;
for (i = 0; i < MAXMAILERS; i++)
{
stat.stat_nf[i] += Stat.stat_nf[i];
stat.stat_bf[i] += Stat.stat_bf[i];
stat.stat_nt[i] += Stat.stat_nt[i];
stat.stat_bt[i] += Stat.stat_bt[i];
}
}
else
bcopy((char *) &Stat, (char *) &stat, sizeof stat);
/* write out results */
(void) lseek(fd, (off_t) 0, 0);
(void) write(fd, (char *) &stat, sizeof stat);
(void) close(fd);
/* clear the structure to avoid future disappointment */
bzero(&Stat, sizeof stat);
GotStats = FALSE;
}
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