1 /* 2 * Copyright (c) 1983, 1995 Eric P. Allman 3 * Copyright (c) 1988, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * %sccs.include.redist.c% 7 */ 8 9 #ifndef lint 10 static char sccsid[] = "@(#)stats.c 8.4 (Berkeley) 04/21/95"; 11 #endif /* not lint */ 12 13 # include "sendmail.h" 14 # include "mailstats.h" 15 16 struct statistics Stat; 17 18 bool GotStats = FALSE; /* set when we have stats to merge */ 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(e->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(e->e_msgsize); 43 } 44 GotStats = TRUE; 45 } 46 /* 47 ** POSTSTATS -- post statistics in the statistics file 48 ** 49 ** Parameters: 50 ** sfile -- the name of the statistics file. 51 ** 52 ** Returns: 53 ** none. 54 ** 55 ** Side Effects: 56 ** merges the Stat structure with the sfile file. 57 */ 58 59 poststats(sfile) 60 char *sfile; 61 { 62 register int fd; 63 struct statistics stat; 64 extern off_t lseek(); 65 66 if (sfile == NULL || !GotStats) 67 return; 68 69 (void) time(&Stat.stat_itime); 70 Stat.stat_size = sizeof Stat; 71 72 fd = open(sfile, O_RDWR); 73 if (fd < 0) 74 { 75 errno = 0; 76 return; 77 } 78 (void) lockfile(fd, sfile, NULL, LOCK_EX); 79 if (read(fd, (char *) &stat, sizeof stat) == sizeof stat && 80 stat.stat_size == sizeof stat) 81 { 82 /* merge current statistics into statfile */ 83 register int i; 84 85 for (i = 0; i < MAXMAILERS; i++) 86 { 87 stat.stat_nf[i] += Stat.stat_nf[i]; 88 stat.stat_bf[i] += Stat.stat_bf[i]; 89 stat.stat_nt[i] += Stat.stat_nt[i]; 90 stat.stat_bt[i] += Stat.stat_bt[i]; 91 } 92 } 93 else 94 bcopy((char *) &Stat, (char *) &stat, sizeof stat); 95 96 /* write out results */ 97 (void) lseek(fd, (off_t) 0, 0); 98 (void) write(fd, (char *) &stat, sizeof stat); 99 (void) close(fd); 100 101 /* clear the structure to avoid future disappointment */ 102 bzero(&Stat, sizeof stat); 103 GotStats = FALSE; 104 } 105