xref: /csrg-svn/usr.sbin/sendmail/src/stats.c (revision 34921)
122714Sdist /*
2*34921Sbostic  * Copyright (c) 1983 Eric P. Allman
333731Sbostic  * Copyright (c) 1988 Regents of the University of California.
433731Sbostic  * All rights reserved.
533731Sbostic  *
633731Sbostic  * Redistribution and use in source and binary forms are permitted
7*34921Sbostic  * provided that the above copyright notice and this paragraph are
8*34921Sbostic  * duplicated in all such forms and that any documentation,
9*34921Sbostic  * advertising materials, and other materials related to such
10*34921Sbostic  * distribution and use acknowledge that the software was developed
11*34921Sbostic  * by the University of California, Berkeley.  The name of the
12*34921Sbostic  * University may not be used to endorse or promote products derived
13*34921Sbostic  * from this software without specific prior written permission.
14*34921Sbostic  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
15*34921Sbostic  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
16*34921Sbostic  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
1733731Sbostic  */
1822714Sdist 
1922714Sdist #ifndef lint
20*34921Sbostic static char sccsid[] = "@(#)stats.c	5.10 (Berkeley) 06/30/88";
2133731Sbostic #endif /* not lint */
2222714Sdist 
234286Seric # include "sendmail.h"
2427681Sbloom # include "mailstats.h"
254286Seric 
269383Seric struct statistics	Stat;
2724944Seric 
2824944Seric #define ONE_K		1000		/* one thousand (twenty-four?) */
2924944Seric #define KBYTES(x)	(((x) + (ONE_K - 1)) / ONE_K)
309383Seric /*
319383Seric **  MARKSTATS -- mark statistics
329383Seric */
339383Seric 
349383Seric markstats(e, to)
359383Seric 	register ENVELOPE *e;
369383Seric 	register ADDRESS *to;
379383Seric {
389383Seric 	if (to == NULL)
399383Seric 	{
4025689Seric 		if (e->e_from.q_mailer != NULL)
4124945Seric 		{
4224945Seric 			Stat.stat_nf[e->e_from.q_mailer->m_mno]++;
4324945Seric 			Stat.stat_bf[e->e_from.q_mailer->m_mno] +=
4424945Seric 				KBYTES(CurEnv->e_msgsize);
4524945Seric 		}
469383Seric 	}
479383Seric 	else
489383Seric 	{
499383Seric 		Stat.stat_nt[to->q_mailer->m_mno]++;
5024944Seric 		Stat.stat_bt[to->q_mailer->m_mno] += KBYTES(CurEnv->e_msgsize);
519383Seric 	}
529383Seric }
539383Seric /*
544286Seric **  POSTSTATS -- post statistics in the statistics file
554286Seric **
564286Seric **	Parameters:
574286Seric **		sfile -- the name of the statistics file.
584286Seric **
594286Seric **	Returns:
604286Seric **		none.
614286Seric **
624286Seric **	Side Effects:
634286Seric **		merges the Stat structure with the sfile file.
644286Seric */
654286Seric 
664286Seric poststats(sfile)
674286Seric 	char *sfile;
684286Seric {
694286Seric 	register int fd;
704286Seric 	struct statistics stat;
7123123Seric 	extern off_t lseek();
724286Seric 
7323516Seric 	if (sfile == NULL)
7423516Seric 		return;
7523516Seric 
764319Seric 	(void) time(&Stat.stat_itime);
774286Seric 	Stat.stat_size = sizeof Stat;
784286Seric 
794286Seric 	fd = open(sfile, 2);
804286Seric 	if (fd < 0)
8111937Seric 	{
8211937Seric 		errno = 0;
834286Seric 		return;
8411937Seric 	}
854319Seric 	if (read(fd, (char *) &stat, sizeof stat) == sizeof stat &&
864286Seric 	    stat.stat_size == sizeof stat)
874286Seric 	{
884286Seric 		/* merge current statistics into statfile */
894286Seric 		register int i;
904286Seric 
914286Seric 		for (i = 0; i < MAXMAILERS; i++)
924286Seric 		{
934286Seric 			stat.stat_nf[i] += Stat.stat_nf[i];
944286Seric 			stat.stat_bf[i] += Stat.stat_bf[i];
954286Seric 			stat.stat_nt[i] += Stat.stat_nt[i];
964286Seric 			stat.stat_bt[i] += Stat.stat_bt[i];
974286Seric 		}
984286Seric 	}
994286Seric 	else
10016887Seric 		bcopy((char *) &Stat, (char *) &stat, sizeof stat);
1014286Seric 
1024286Seric 	/* write out results */
10323123Seric 	(void) lseek(fd, (off_t) 0, 0);
1044319Seric 	(void) write(fd, (char *) &stat, sizeof stat);
1054319Seric 	(void) close(fd);
1064286Seric }
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