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