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 8.5 (Berkeley) 05/28/95"; 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 void 27 markstats(e, to) 28 register ENVELOPE *e; 29 register ADDRESS *to; 30 { 31 if (to == NULL) 32 { 33 if (e->e_from.q_mailer != NULL) 34 { 35 Stat.stat_nf[e->e_from.q_mailer->m_mno]++; 36 Stat.stat_bf[e->e_from.q_mailer->m_mno] += 37 KBYTES(e->e_msgsize); 38 } 39 } 40 else 41 { 42 Stat.stat_nt[to->q_mailer->m_mno]++; 43 Stat.stat_bt[to->q_mailer->m_mno] += KBYTES(e->e_msgsize); 44 } 45 GotStats = TRUE; 46 } 47 /* 48 ** POSTSTATS -- post statistics in the statistics file 49 ** 50 ** Parameters: 51 ** sfile -- the name of the statistics file. 52 ** 53 ** Returns: 54 ** none. 55 ** 56 ** Side Effects: 57 ** merges the Stat structure with the sfile file. 58 */ 59 60 void 61 poststats(sfile) 62 char *sfile; 63 { 64 register int fd; 65 struct statistics stat; 66 extern off_t lseek(); 67 68 if (sfile == NULL || !GotStats) 69 return; 70 71 (void) time(&Stat.stat_itime); 72 Stat.stat_size = sizeof Stat; 73 74 fd = open(sfile, O_RDWR); 75 if (fd < 0) 76 { 77 errno = 0; 78 return; 79 } 80 (void) lockfile(fd, sfile, NULL, LOCK_EX); 81 if (read(fd, (char *) &stat, sizeof stat) == sizeof stat && 82 stat.stat_size == sizeof stat) 83 { 84 /* merge current statistics into statfile */ 85 register int i; 86 87 for (i = 0; i < MAXMAILERS; i++) 88 { 89 stat.stat_nf[i] += Stat.stat_nf[i]; 90 stat.stat_bf[i] += Stat.stat_bf[i]; 91 stat.stat_nt[i] += Stat.stat_nt[i]; 92 stat.stat_bt[i] += Stat.stat_bt[i]; 93 } 94 } 95 else 96 bcopy((char *) &Stat, (char *) &stat, sizeof stat); 97 98 /* write out results */ 99 (void) lseek(fd, (off_t) 0, 0); 100 (void) write(fd, (char *) &stat, sizeof stat); 101 (void) close(fd); 102 103 /* clear the structure to avoid future disappointment */ 104 bzero(&Stat, sizeof stat); 105 GotStats = FALSE; 106 } 107