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/*
* Copyright (c) 1998-2002 Sendmail, Inc. and its suppliers.
* All rights reserved.
* Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved.
* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the sendmail distribution.
*
*/
#include <sendmail.h>
SM_RCSID("@(#)$Id: stats.c,v 8.56 2002/06/27 22:47:37 gshapiro Exp $")
#include <sendmail/mailstats.h>
static struct statistics Stat;
static bool GotStats = false; /* set when we have stats to merge */
/* See http://physics.nist.gov/cuu/Units/binary.html */
#define ONE_K 1000 /* one thousand (twenty-four?) */
#define KBYTES(x) (((x) + (ONE_K - 1)) / ONE_K)
/*
** MARKSTATS -- mark statistics
**
** Parameters:
** e -- the envelope.
** to -- to address.
** type -- type of stats this represents.
**
** Returns:
** none.
**
** Side Effects:
** changes static Stat structure
*/
void
markstats(e, to, type)
register ENVELOPE *e;
register ADDRESS *to;
int type;
{
switch (type)
{
case STATS_QUARANTINE:
if (e->e_from.q_mailer != NULL)
Stat.stat_nq[e->e_from.q_mailer->m_mno]++;
break;
case STATS_REJECT:
if (e->e_from.q_mailer != NULL)
{
if (bitset(EF_DISCARD, e->e_flags))
Stat.stat_nd[e->e_from.q_mailer->m_mno]++;
else
Stat.stat_nr[e->e_from.q_mailer->m_mno]++;
}
Stat.stat_cr++;
break;
case STATS_CONNECT:
if (to == NULL)
Stat.stat_cf++;
else
Stat.stat_ct++;
break;
case STATS_NORMAL:
if (to == NULL)
{
if (e->e_from.q_mailer != NULL)
{
Stat.stat_nf[e->e_from.q_mailer->m_mno]++;
Stat.stat_bf[e->e_from.q_mailer->m_mno] +=
KBYTES(e->e_msgsize);
}
}
else
{
Stat.stat_nt[to->q_mailer->m_mno]++;
Stat.stat_bt[to->q_mailer->m_mno] += KBYTES(e->e_msgsize);
}
break;
default:
/* Silently ignore bogus call */
return;
}
GotStats = true;
}
/*
** CLEARSTATS -- clear statistics structure
**
** Parameters:
** none.
**
** Returns:
** none.
**
** Side Effects:
** clears the Stat structure.
*/
void
clearstats()
{
/* clear the structure to avoid future disappointment */
memset(&Stat, '\0', sizeof Stat);
GotStats = false;
}
/*
** POSTSTATS -- post statistics in the statistics file
**
** Parameters:
** sfile -- the name of the statistics file.
**
** Returns:
** none.
**
** Side Effects:
** merges the Stat structure with the sfile file.
*/
void
poststats(sfile)
char *sfile;
{
int fd;
static bool entered = false;
long sff = SFF_REGONLY|SFF_OPENASROOT;
struct statistics stats;
extern off_t lseek();
if (sfile == NULL || *sfile == '\0' || !GotStats || entered)
return;
entered = true;
(void) time(&Stat.stat_itime);
Stat.stat_size = sizeof Stat;
Stat.stat_magic = STAT_MAGIC;
Stat.stat_version = STAT_VERSION;
if (!bitnset(DBS_WRITESTATSTOSYMLINK, DontBlameSendmail))
sff |= SFF_NOSLINK;
if (!bitnset(DBS_WRITESTATSTOHARDLINK, DontBlameSendmail))
sff |= SFF_NOHLINK;
fd = safeopen(sfile, O_RDWR, 0600, sff);
if (fd < 0)
{
if (LogLevel > 12)
sm_syslog(LOG_INFO, NOQID, "poststats: %s: %s",
sfile, sm_errstring(errno));
errno = 0;
entered = false;
return;
}
if (read(fd, (char *) &stats, sizeof stats) == sizeof stats &&
stats.stat_size == sizeof stats &&
stats.stat_magic == Stat.stat_magic &&
stats.stat_version == Stat.stat_version)
{
/* merge current statistics into statfile */
register int i;
for (i = 0; i < MAXMAILERS; i++)
{
stats.stat_nf[i] += Stat.stat_nf[i];
stats.stat_bf[i] += Stat.stat_bf[i];
stats.stat_nt[i] += Stat.stat_nt[i];
stats.stat_bt[i] += Stat.stat_bt[i];
stats.stat_nr[i] += Stat.stat_nr[i];
stats.stat_nd[i] += Stat.stat_nd[i];
stats.stat_nq[i] += Stat.stat_nq[i];
}
stats.stat_cr += Stat.stat_cr;
stats.stat_ct += Stat.stat_ct;
stats.stat_cf += Stat.stat_cf;
}
else
memmove((char *) &stats, (char *) &Stat, sizeof stats);
/* write out results */
(void) lseek(fd, (off_t) 0, 0);
(void) write(fd, (char *) &stats, sizeof stats);
(void) close(fd);
/* clear the structure to avoid future disappointment */
clearstats();
entered = false;
}
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