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Annotation of 43BSDTahoe/usr.lib/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
                      7:  * provided that the above copyright notice and this paragraph are
                      8:  * duplicated in all such forms and that any documentation,
                      9:  * advertising materials, and other materials related to such
                     10:  * distribution and use acknowledge that the software was developed
                     11:  * by the University of California, Berkeley.  The name of the
                     12:  * University may not be used to endorse or promote products derived
                     13:  * from this software without specific prior written permission.
                     14:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     15:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     16:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     17:  */
                     18: 
                     19: #ifndef lint
                     20: static char sccsid[] = "@(#)stats.c    5.10 (Berkeley) 6/30/88";
                     21: #endif /* not lint */
                     22: 
                     23: # include "sendmail.h"
                     24: # include "mailstats.h"
                     25: 
                     26: struct statistics      Stat;
                     27: 
                     28: #define ONE_K          1000            /* one thousand (twenty-four?) */
                     29: #define KBYTES(x)      (((x) + (ONE_K - 1)) / ONE_K)
                     30: /*
                     31: **  MARKSTATS -- mark statistics
                     32: */
                     33: 
                     34: markstats(e, to)
                     35:        register ENVELOPE *e;
                     36:        register ADDRESS *to;
                     37: {
                     38:        if (to == NULL)
                     39:        {
                     40:                if (e->e_from.q_mailer != NULL)
                     41:                {
                     42:                        Stat.stat_nf[e->e_from.q_mailer->m_mno]++;
                     43:                        Stat.stat_bf[e->e_from.q_mailer->m_mno] +=
                     44:                                KBYTES(CurEnv->e_msgsize);
                     45:                }
                     46:        }
                     47:        else
                     48:        {
                     49:                Stat.stat_nt[to->q_mailer->m_mno]++;
                     50:                Stat.stat_bt[to->q_mailer->m_mno] += KBYTES(CurEnv->e_msgsize);
                     51:        }
                     52: }
                     53: /*
                     54: **  POSTSTATS -- post statistics in the statistics file
                     55: **
                     56: **     Parameters:
                     57: **             sfile -- the name of the statistics file.
                     58: **
                     59: **     Returns:
                     60: **             none.
                     61: **
                     62: **     Side Effects:
                     63: **             merges the Stat structure with the sfile file.
                     64: */
                     65: 
                     66: poststats(sfile)
                     67:        char *sfile;
                     68: {
                     69:        register int fd;
                     70:        struct statistics stat;
                     71:        extern off_t lseek();
                     72: 
                     73:        if (sfile == NULL)
                     74:                return;
                     75: 
                     76:        (void) time(&Stat.stat_itime);
                     77:        Stat.stat_size = sizeof Stat;
                     78: 
                     79:        fd = open(sfile, 2);
                     80:        if (fd < 0)
                     81:        {
                     82:                errno = 0;
                     83:                return;
                     84:        }
                     85:        if (read(fd, (char *) &stat, sizeof stat) == sizeof stat &&
                     86:            stat.stat_size == sizeof stat)
                     87:        {
                     88:                /* merge current statistics into statfile */
                     89:                register int i;
                     90: 
                     91:                for (i = 0; i < MAXMAILERS; i++)
                     92:                {
                     93:                        stat.stat_nf[i] += Stat.stat_nf[i];
                     94:                        stat.stat_bf[i] += Stat.stat_bf[i];
                     95:                        stat.stat_nt[i] += Stat.stat_nt[i];
                     96:                        stat.stat_bt[i] += Stat.stat_bt[i];
                     97:                }
                     98:        }
                     99:        else
                    100:                bcopy((char *) &Stat, (char *) &stat, sizeof stat);
                    101: 
                    102:        /* write out results */
                    103:        (void) lseek(fd, (off_t) 0, 0);
                    104:        (void) write(fd, (char *) &stat, sizeof stat);
                    105:        (void) close(fd);
                    106: }

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