133 lines
3.8 KiB
C
133 lines
3.8 KiB
C
/*
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* Copyright (c) 1983, 1995, 1996 Eric P. Allman
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* Copyright (c) 1988, 1993
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* The Regents of the University of California. 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
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* 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 REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)stats.c 8.6 (Berkeley) 2/21/96";
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#endif /* not lint */
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# include "sendmail.h"
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# include "mailstats.h"
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struct statistics Stat;
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bool GotStats = FALSE; /* set when we have stats to merge */
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#define ONE_K 1000 /* one thousand (twenty-four?) */
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#define KBYTES(x) (((x) + (ONE_K - 1)) / ONE_K)
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/*
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** MARKSTATS -- mark statistics
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*/
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void
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markstats(e, to)
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register ENVELOPE *e;
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register ADDRESS *to;
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{
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if (to == NULL)
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{
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if (e->e_from.q_mailer != NULL)
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{
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Stat.stat_nf[e->e_from.q_mailer->m_mno]++;
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Stat.stat_bf[e->e_from.q_mailer->m_mno] +=
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KBYTES(e->e_msgsize);
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}
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}
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else
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{
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Stat.stat_nt[to->q_mailer->m_mno]++;
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Stat.stat_bt[to->q_mailer->m_mno] += KBYTES(e->e_msgsize);
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}
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GotStats = TRUE;
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}
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/*
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** POSTSTATS -- post statistics in the statistics file
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**
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** Parameters:
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** sfile -- the name of the statistics file.
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**
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** Returns:
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** none.
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**
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** Side Effects:
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** merges the Stat structure with the sfile file.
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*/
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void
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poststats(sfile)
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char *sfile;
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{
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register int fd;
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struct statistics stat;
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extern off_t lseek();
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if (sfile == NULL || !GotStats)
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return;
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(void) time(&Stat.stat_itime);
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Stat.stat_size = sizeof Stat;
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fd = open(sfile, O_RDWR);
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if (fd < 0)
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{
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errno = 0;
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return;
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}
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(void) lockfile(fd, sfile, NULL, LOCK_EX);
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if (read(fd, (char *) &stat, sizeof stat) == sizeof stat &&
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stat.stat_size == sizeof stat)
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{
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/* merge current statistics into statfile */
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register int i;
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for (i = 0; i < MAXMAILERS; i++)
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{
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stat.stat_nf[i] += Stat.stat_nf[i];
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stat.stat_bf[i] += Stat.stat_bf[i];
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stat.stat_nt[i] += Stat.stat_nt[i];
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stat.stat_bt[i] += Stat.stat_bt[i];
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}
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}
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else
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bcopy((char *) &Stat, (char *) &stat, sizeof stat);
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/* write out results */
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(void) lseek(fd, (off_t) 0, 0);
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(void) write(fd, (char *) &stat, sizeof stat);
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(void) close(fd);
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/* clear the structure to avoid future disappointment */
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bzero(&Stat, sizeof stat);
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GotStats = FALSE;
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}
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