2 * Copyright (c) 1998-2002 Sendmail, Inc. and its suppliers.
4 * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved.
5 * Copyright (c) 1988, 1993
6 * The Regents of the University of California. All rights reserved.
8 * By using this file, you agree to the terms and conditions set
9 * forth in the LICENSE file which can be found at the top level of
10 * the sendmail distribution.
16 SM_RCSID("@(#)$Id: stats.c,v 8.55 2002/05/21 22:28:52 gshapiro Exp $")
18 #include <sendmail/mailstats.h>
20 static struct statistics Stat;
22 static bool GotStats = false; /* set when we have stats to merge */
24 /* See http://physics.nist.gov/cuu/Units/binary.html */
25 #define ONE_K 1000 /* one thousand (twenty-four?) */
26 #define KBYTES(x) (((x) + (ONE_K - 1)) / ONE_K)
28 ** MARKSTATS -- mark statistics
33 ** type -- type of stats this represents.
39 ** changes static Stat structure
43 markstats(e, to, type)
51 case STATS_QUARANTINE:
52 if (e->e_from.q_mailer != NULL)
53 Stat.stat_nq[e->e_from.q_mailer->m_mno]++;
55 #endif /* _FFR_QUARANTINE */
58 if (e->e_from.q_mailer != NULL)
60 if (bitset(EF_DISCARD, e->e_flags))
61 Stat.stat_nd[e->e_from.q_mailer->m_mno]++;
63 Stat.stat_nr[e->e_from.q_mailer->m_mno]++;
78 if (e->e_from.q_mailer != NULL)
80 Stat.stat_nf[e->e_from.q_mailer->m_mno]++;
81 Stat.stat_bf[e->e_from.q_mailer->m_mno] +=
87 Stat.stat_nt[to->q_mailer->m_mno]++;
88 Stat.stat_bt[to->q_mailer->m_mno] += KBYTES(e->e_msgsize);
93 /* Silently ignore bogus call */
101 ** CLEARSTATS -- clear statistics structure
110 ** clears the Stat structure.
116 /* clear the structure to avoid future disappointment */
117 memset(&Stat, '\0', sizeof Stat);
121 ** POSTSTATS -- post statistics in the statistics file
124 ** sfile -- the name of the statistics file.
130 ** merges the Stat structure with the sfile file.
138 static bool entered = false;
139 long sff = SFF_REGONLY|SFF_OPENASROOT;
140 struct statistics stats;
141 extern off_t lseek();
143 if (sfile == NULL || *sfile == '\0' || !GotStats || entered)
147 (void) time(&Stat.stat_itime);
148 Stat.stat_size = sizeof Stat;
149 Stat.stat_magic = STAT_MAGIC;
150 Stat.stat_version = STAT_VERSION;
152 if (!bitnset(DBS_WRITESTATSTOSYMLINK, DontBlameSendmail))
154 if (!bitnset(DBS_WRITESTATSTOHARDLINK, DontBlameSendmail))
157 fd = safeopen(sfile, O_RDWR, 0600, sff);
161 sm_syslog(LOG_INFO, NOQID, "poststats: %s: %s",
162 sfile, sm_errstring(errno));
167 if (read(fd, (char *) &stats, sizeof stats) == sizeof stats &&
168 stats.stat_size == sizeof stats &&
169 stats.stat_magic == Stat.stat_magic &&
170 stats.stat_version == Stat.stat_version)
172 /* merge current statistics into statfile */
175 for (i = 0; i < MAXMAILERS; i++)
177 stats.stat_nf[i] += Stat.stat_nf[i];
178 stats.stat_bf[i] += Stat.stat_bf[i];
179 stats.stat_nt[i] += Stat.stat_nt[i];
180 stats.stat_bt[i] += Stat.stat_bt[i];
181 stats.stat_nr[i] += Stat.stat_nr[i];
182 stats.stat_nd[i] += Stat.stat_nd[i];
184 stats.stat_nq[i] += Stat.stat_nq[i];
185 #endif /* _FFR_QUARANTINE */
187 stats.stat_cr += Stat.stat_cr;
188 stats.stat_ct += Stat.stat_ct;
189 stats.stat_cf += Stat.stat_cf;
192 memmove((char *) &stats, (char *) &Stat, sizeof stats);
194 /* write out results */
195 (void) lseek(fd, (off_t) 0, 0);
196 (void) write(fd, (char *) &stats, sizeof stats);
199 /* clear the structure to avoid future disappointment */