2.11BSD#431 - /usr/src/usr.sbin/sendmail.MX/src/stats.c

   1: /*
   2:  * Copyright (c) 1988 Regents of the University of California.
   3:  * All rights reserved.
   4:  *
   5:  * Redistribution and use in source and binary forms are permitted
   6:  * provided that this notice is preserved and that due credit is given
   7:  * to the University of California at Berkeley. The name of the University
   8:  * may not be used to endorse or promote products derived from this
   9:  * software without specific prior written permission. This software
  10:  * is provided ``as is'' without express or implied warranty.
  11:  *
  12:  *  Sendmail
  13:  *  Copyright (c) 1983  Eric P. Allman
  14:  *  Berkeley, California
  15:  */
  16: 
  17: #if !defined(lint) && !defined(NOSCCS)
  18: static char sccsid[] = "@(#)stats.c	5.9 (Berkeley) 3/13/88";
  19: #endif /* not lint */
  20: 
  21: # include "sendmail.h"
  22: # include "mailstats.h"
  23: 
  24: struct statistics   Stat;
  25: 
  26: #define ONE_K       1000        /* one thousand (twenty-four?) */
  27: #define KBYTES(x)   (((x) + (ONE_K - 1)) / ONE_K)
  28: /*
  29: **  MARKSTATS -- mark statistics
  30: */
  31: 
  32: markstats(e, to)
  33:     register ENVELOPE *e;
  34:     register ADDRESS *to;
  35: {
  36:     if (to == NULL)
  37:     {
  38:         if (e->e_from.q_mailer != NULL)
  39:         {
  40:             Stat.stat_nf[e->e_from.q_mailer->m_mno]++;
  41:             Stat.stat_bf[e->e_from.q_mailer->m_mno] +=
  42:                 KBYTES(CurEnv->e_msgsize);
  43:         }
  44:     }
  45:     else
  46:     {
  47:         Stat.stat_nt[to->q_mailer->m_mno]++;
  48:         Stat.stat_bt[to->q_mailer->m_mno] += KBYTES(CurEnv->e_msgsize);
  49:     }
  50: }
  51: /*
  52: **  POSTSTATS -- post statistics in the statistics file
  53: **
  54: **	Parameters:
  55: **		sfile -- the name of the statistics file.
  56: **
  57: **	Returns:
  58: **		none.
  59: **
  60: **	Side Effects:
  61: **		merges the Stat structure with the sfile file.
  62: */
  63: 
  64: poststats(sfile)
  65:     char *sfile;
  66: {
  67:     register int fd;
  68:     struct statistics stat;
  69:     extern off_t lseek();
  70: 
  71:     if (sfile == NULL)
  72:         return;
  73: 
  74:     (void) time(&Stat.stat_itime);
  75:     Stat.stat_size = sizeof Stat;
  76: 
  77:     fd = open(sfile, 2);
  78:     if (fd < 0)
  79:     {
  80:         errno = 0;
  81:         return;
  82:     }
  83:     if (read(fd, (char *) &stat, sizeof stat) == sizeof stat &&
  84:         stat.stat_size == sizeof stat)
  85:     {
  86:         /* merge current statistics into statfile */
  87:         register int i;
  88: 
  89:         for (i = 0; i < MAXMAILERS; i++)
  90:         {
  91:             stat.stat_nf[i] += Stat.stat_nf[i];
  92:             stat.stat_bf[i] += Stat.stat_bf[i];
  93:             stat.stat_nt[i] += Stat.stat_nt[i];
  94:             stat.stat_bt[i] += Stat.stat_bt[i];
  95:         }
  96:     }
  97:     else
  98:         bcopy((char *) &Stat, (char *) &stat, sizeof stat);
  99: 
 100:     /* write out results */
 101:     (void) lseek(fd, (off_t) 0, 0);
 102:     (void) write(fd, (char *) &stat, sizeof stat);
 103:     (void) close(fd);
 104: }

Defined functions

Defined variables

Defined macros