diff options
Diffstat (limited to 'src/stats.c')
| -rw-r--r-- | src/stats.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/src/stats.c b/src/stats.c new file mode 100644 index 0000000..cb0f9dd --- /dev/null +++ b/src/stats.c @@ -0,0 +1,131 @@ +/* + * Copyright (c) 1983, 1995-1997 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 8.11 (Berkeley) 4/9/97"; +#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 = safeopen(sfile, O_RDWR, 0644, SFF_REGONLY|SFF_NOLINK|SFF_OPENASROOT); + if (fd < 0) + { + errno = 0; + return; + } + 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; +} |