diff options
Diffstat (limited to 'sendmail/src/stats.c')
| -rw-r--r-- | sendmail/src/stats.c | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/sendmail/src/stats.c b/sendmail/src/stats.c new file mode 100644 index 0000000..16a9c6d --- /dev/null +++ b/sendmail/src/stats.c @@ -0,0 +1,198 @@ +/* + * 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 8.57 2006/08/15 23:24:58 ca 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; +} |
