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

   1: /*
   2: **  Sendmail
   3: **  Copyright (c) 1983  Eric P. Allman
   4: **  Berkeley, California
   5: **
   6: **  Copyright (c) 1983 Regents of the University of California.
   7: **  All rights reserved.  The Berkeley software License Agreement
   8: **  specifies the terms and conditions for redistribution.
   9: */
  10: 
  11: #if !defined(lint) && !defined(NOSCCS)
  12: static char SccsId[] = "@(#)stats.c	5.8 (Berkeley) 5/2/86";
  13: #endif
  14: 
  15: # include "sendmail.h"
  16: # include "mailstats.h"
  17: 
  18: struct statistics   Stat;
  19: 
  20: #define ONE_K       1000        /* one thousand (twenty-four?) */
  21: #define KBYTES(x)   (((x) + (ONE_K - 1)) / ONE_K)
  22: /*
  23: **  MARKSTATS -- mark statistics
  24: */
  25: 
  26: markstats(e, to)
  27:     register ENVELOPE *e;
  28:     register ADDRESS *to;
  29: {
  30:     if (to == NULL)
  31:     {
  32:         if (e->e_from.q_mailer != NULL)
  33:         {
  34:             Stat.stat_nf[e->e_from.q_mailer->m_mno]++;
  35:             Stat.stat_bf[e->e_from.q_mailer->m_mno] +=
  36:                 KBYTES(CurEnv->e_msgsize);
  37:         }
  38:     }
  39:     else
  40:     {
  41:         Stat.stat_nt[to->q_mailer->m_mno]++;
  42:         Stat.stat_bt[to->q_mailer->m_mno] += KBYTES(CurEnv->e_msgsize);
  43:     }
  44: }
  45: /*
  46: **  POSTSTATS -- post statistics in the statistics file
  47: **
  48: **	Parameters:
  49: **		sfile -- the name of the statistics file.
  50: **
  51: **	Returns:
  52: **		none.
  53: **
  54: **	Side Effects:
  55: **		merges the Stat structure with the sfile file.
  56: */
  57: 
  58: poststats(sfile)
  59:     char *sfile;
  60: {
  61:     register int fd;
  62:     struct statistics stat;
  63:     extern off_t lseek();
  64: 
  65:     if (sfile == NULL)
  66:         return;
  67: 
  68:     (void) time(&Stat.stat_itime);
  69:     Stat.stat_size = sizeof Stat;
  70: 
  71:     fd = open(sfile, 2);
  72:     if (fd < 0)
  73:     {
  74:         errno = 0;
  75:         return;
  76:     }
  77:     if (read(fd, (char *) &stat, sizeof stat) == sizeof stat &&
  78:         stat.stat_size == sizeof stat)
  79:     {
  80:         /* merge current statistics into statfile */
  81:         register int i;
  82: 
  83:         for (i = 0; i < MAXMAILERS; i++)
  84:         {
  85:             stat.stat_nf[i] += Stat.stat_nf[i];
  86:             stat.stat_bf[i] += Stat.stat_bf[i];
  87:             stat.stat_nt[i] += Stat.stat_nt[i];
  88:             stat.stat_bt[i] += Stat.stat_bt[i];
  89:         }
  90:     }
  91:     else
  92:         bcopy((char *) &Stat, (char *) &stat, sizeof stat);
  93: 
  94:     /* write out results */
  95:     (void) lseek(fd, (off_t) 0, 0);
  96:     (void) write(fd, (char *) &stat, sizeof stat);
  97:     (void) close(fd);
  98: }

Defined functions

Defined variables

Defined macros