1 # include "sendmail.h"
2 
3 SCCSID(@(#)stats.c	3.4		12/06/81);
4 
5 /*
6 **  POSTSTATS -- post statistics in the statistics file
7 **
8 **	Parameters:
9 **		sfile -- the name of the statistics file.
10 **
11 **	Returns:
12 **		none.
13 **
14 **	Side Effects:
15 **		merges the Stat structure with the sfile file.
16 */
17 
18 struct statistics	Stat;
19 
20 poststats(sfile)
21 	char *sfile;
22 {
23 	register int fd;
24 	struct statistics stat;
25 	extern long lseek();
26 
27 	(void) time(&Stat.stat_itime);
28 	Stat.stat_size = sizeof Stat;
29 
30 	fd = open(sfile, 2);
31 	if (fd < 0)
32 		return;
33 	if (read(fd, (char *) &stat, sizeof stat) == sizeof stat &&
34 	    stat.stat_size == sizeof stat)
35 	{
36 		/* merge current statistics into statfile */
37 		register int i;
38 
39 		for (i = 0; i < MAXMAILERS; i++)
40 		{
41 			stat.stat_nf[i] += Stat.stat_nf[i];
42 			stat.stat_bf[i] += Stat.stat_bf[i];
43 			stat.stat_nt[i] += Stat.stat_nt[i];
44 			stat.stat_bt[i] += Stat.stat_bt[i];
45 		}
46 	}
47 	else
48 		bmove((char *) &Stat, (char *) &stat, sizeof stat);
49 
50 	/* write out results */
51 	(void) lseek(fd, 0L, 0);
52 	(void) write(fd, (char *) &stat, sizeof stat);
53 	(void) close(fd);
54 }
55 /*
56 **  KBYTES -- given a number, returns the number of Kbytes.
57 **
58 **	Used in statistics gathering of message sizes to try to avoid
59 **	wraparound (at least for a while.....)
60 **
61 **	Parameters:
62 **		bytes -- actual number of bytes.
63 **
64 **	Returns:
65 **		number of kbytes.
66 **
67 **	Side Effects:
68 **		none.
69 **
70 **	Notes:
71 **		This function is actually a ceiling function to
72 **			the nearest K.
73 **		Honestly folks, floating point might be better.
74 **			Or perhaps a "statistical" log method.
75 */
76 
77 long
78 kbytes(bytes)
79 	long bytes;
80 {
81 	return ((bytes + 999) / 1000);
82 }
83