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Annotation of 43BSDReno/usr.sbin/sendmail/src/stats.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1983 Eric P. Allman
                      3:  * Copyright (c) 1988 Regents of the University of California.
                      4:  * All rights reserved.
                      5:  *
                      6:  * Redistribution and use in source and binary forms are permitted provided
                      7:  * that: (1) source distributions retain this entire copyright notice and
                      8:  * comment, and (2) distributions including binaries display the following
                      9:  * acknowledgement:  ``This product includes software developed by the
                     10:  * University of California, Berkeley and its contributors'' in the
                     11:  * documentation or other materials provided with the distribution and in
                     12:  * all advertising materials mentioning features or use of this software.
                     13:  * Neither the name of the University nor the names of its contributors may
                     14:  * be used to endorse or promote products derived from this software without
                     15:  * specific prior written permission.
                     16:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
                     17:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
                     18:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     19:  */
                     20: 
                     21: #ifndef lint
                     22: static char sccsid[] = "@(#)stats.c    5.11 (Berkeley) 6/1/90";
                     23: #endif /* not lint */
                     24: 
                     25: # include "sendmail.h"
                     26: # include "mailstats.h"
                     27: 
                     28: struct statistics      Stat;
                     29: 
                     30: #define ONE_K          1000            /* one thousand (twenty-four?) */
                     31: #define KBYTES(x)      (((x) + (ONE_K - 1)) / ONE_K)
                     32: /*
                     33: **  MARKSTATS -- mark statistics
                     34: */
                     35: 
                     36: markstats(e, to)
                     37:        register ENVELOPE *e;
                     38:        register ADDRESS *to;
                     39: {
                     40:        if (to == NULL)
                     41:        {
                     42:                if (e->e_from.q_mailer != NULL)
                     43:                {
                     44:                        Stat.stat_nf[e->e_from.q_mailer->m_mno]++;
                     45:                        Stat.stat_bf[e->e_from.q_mailer->m_mno] +=
                     46:                                KBYTES(CurEnv->e_msgsize);
                     47:                }
                     48:        }
                     49:        else
                     50:        {
                     51:                Stat.stat_nt[to->q_mailer->m_mno]++;
                     52:                Stat.stat_bt[to->q_mailer->m_mno] += KBYTES(CurEnv->e_msgsize);
                     53:        }
                     54: }
                     55: /*
                     56: **  POSTSTATS -- post statistics in the statistics file
                     57: **
                     58: **     Parameters:
                     59: **             sfile -- the name of the statistics file.
                     60: **
                     61: **     Returns:
                     62: **             none.
                     63: **
                     64: **     Side Effects:
                     65: **             merges the Stat structure with the sfile file.
                     66: */
                     67: 
                     68: poststats(sfile)
                     69:        char *sfile;
                     70: {
                     71:        register int fd;
                     72:        struct statistics stat;
                     73:        extern off_t lseek();
                     74: 
                     75:        if (sfile == NULL)
                     76:                return;
                     77: 
                     78:        (void) time(&Stat.stat_itime);
                     79:        Stat.stat_size = sizeof Stat;
                     80: 
                     81:        fd = open(sfile, 2);
                     82:        if (fd < 0)
                     83:        {
                     84:                errno = 0;
                     85:                return;
                     86:        }
                     87:        if (read(fd, (char *) &stat, sizeof stat) == sizeof stat &&
                     88:            stat.stat_size == sizeof stat)
                     89:        {
                     90:                /* merge current statistics into statfile */
                     91:                register int i;
                     92: 
                     93:                for (i = 0; i < MAXMAILERS; i++)
                     94:                {
                     95:                        stat.stat_nf[i] += Stat.stat_nf[i];
                     96:                        stat.stat_bf[i] += Stat.stat_bf[i];
                     97:                        stat.stat_nt[i] += Stat.stat_nt[i];
                     98:                        stat.stat_bt[i] += Stat.stat_bt[i];
                     99:                }
                    100:        }
                    101:        else
                    102:                bcopy((char *) &Stat, (char *) &stat, sizeof stat);
                    103: 
                    104:        /* write out results */
                    105:        (void) lseek(fd, (off_t) 0, 0);
                    106:        (void) write(fd, (char *) &stat, sizeof stat);
                    107:        (void) close(fd);
                    108: }

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