1 /* 2 * Copyright (c) 1983 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 8.1 (Berkeley) 06/07/93"; 11 #endif /* not lint */ 12 13 # include "sendmail.h" 14 # include "mailstats.h" 15 16 struct statistics Stat; 17 18 #define ONE_K 1000 /* one thousand (twenty-four?) */ 19 #define KBYTES(x) (((x) + (ONE_K - 1)) / ONE_K) 20 /* 21 ** MARKSTATS -- mark statistics 22 */ 23 24 markstats(e, to) 25 register ENVELOPE *e; 26 register ADDRESS *to; 27 { 28 if (to == NULL) 29 { 30 if (e->e_from.q_mailer != NULL) 31 { 32 Stat.stat_nf[e->e_from.q_mailer->m_mno]++; 33 Stat.stat_bf[e->e_from.q_mailer->m_mno] += 34 KBYTES(e->e_msgsize); 35 } 36 } 37 else 38 { 39 Stat.stat_nt[to->q_mailer->m_mno]++; 40 Stat.stat_bt[to->q_mailer->m_mno] += KBYTES(e->e_msgsize); 41 } 42 } 43 /* 44 ** POSTSTATS -- post statistics in the statistics file 45 ** 46 ** Parameters: 47 ** sfile -- the name of the statistics file. 48 ** 49 ** Returns: 50 ** none. 51 ** 52 ** Side Effects: 53 ** merges the Stat structure with the sfile file. 54 */ 55 56 poststats(sfile) 57 char *sfile; 58 { 59 register int fd; 60 struct statistics stat; 61 extern off_t lseek(); 62 63 if (sfile == NULL) 64 return; 65 66 (void) time(&Stat.stat_itime); 67 Stat.stat_size = sizeof Stat; 68 69 fd = open(sfile, 2); 70 if (fd < 0) 71 { 72 errno = 0; 73 return; 74 } 75 if (read(fd, (char *) &stat, sizeof stat) == sizeof stat && 76 stat.stat_size == sizeof stat) 77 { 78 /* merge current statistics into statfile */ 79 register int i; 80 81 for (i = 0; i < MAXMAILERS; i++) 82 { 83 stat.stat_nf[i] += Stat.stat_nf[i]; 84 stat.stat_bf[i] += Stat.stat_bf[i]; 85 stat.stat_nt[i] += Stat.stat_nt[i]; 86 stat.stat_bt[i] += Stat.stat_bt[i]; 87 } 88 } 89 else 90 bcopy((char *) &Stat, (char *) &stat, sizeof stat); 91 92 /* write out results */ 93 (void) lseek(fd, (off_t) 0, 0); 94 (void) write(fd, (char *) &stat, sizeof stat); 95 (void) close(fd); 96 } 97