79 mci_cache(mci)  in mci_cache()  argument
80 	register MCI *mci;  in mci_cache()
89 	mcislot = mci_scan(mci);
96 	if (mci->mci_host == NULL)
100 	if (bitset(MCIF_CACHED, mci->mci_flags))
109 			(void *)mci, mci->mci_host, (int) (mcislot - MciCache));
113 			  (unsigned long) mci, mci->mci_host,
116 	*mcislot = mci;
117 	mci->mci_flags |= MCIF_CACHED;
135 	register MCI *mci;  local
156 		mci = MciCache[i];
157 		if (mci == NULL || mci->mci_state == MCIS_CLOSED)
162 		if ((mci->mci_lastuse + MciCacheTimeout <= now ||
163 		     (mci->mci_mailer != NULL &&
164 		      mci->mci_mailer->m_maxdeliveries > 0 &&
165 		      mci->mci_deliveries + 1 >= mci->mci_mailer->m_maxdeliveries))&&
166 		    mci != savemci)
177 		if (mci->mci_lastuse < (*bestmci)->mci_lastuse)
202 	register MCI *mci;  local
205 	mci = *mcislot;
206 	if (mci == NULL)
209 	if (mci->mci_host == NULL)
212 	mci_unlock_host(mci);
216 			(void *)mci, mci->mci_host, (int) (mcislot - MciCache),
221 			  (unsigned long) mci, mci->mci_host,
224 	mci->mci_deliveries = 0;
227 		message("Closing connection to %s", mci->mci_host);
229 		mci->mci_flags &= ~MCIF_CACHED;
232 		if (mci->mci_state != MCIS_CLOSED)
233 			smtpquit(mci->mci_mailer, mci, &BlankEnvelope);
235 		xla_host_end(mci->mci_host);
240 		if (mci->mci_in != NULL)
241 			(void) sm_io_close(mci->mci_in, SM_TIME_DEFAULT);
242 		if (mci->mci_out != NULL)
243 			(void) sm_io_close(mci->mci_out, SM_TIME_DEFAULT);
244 		mci->mci_in = mci->mci_out = NULL;
245 		mci->mci_state = MCIS_CLOSED;
246 		mci->mci_exitstat = EX_OK;
247 		mci->mci_errno = 0;
248 		mci->mci_flags = 0;
250 		mci->mci_retryrcpt = false;
251 		mci->mci_tolist = NULL;
252 		mci->mci_okrcpts = 0;
255 	SM_FREE(mci->mci_status);
256 	SM_FREE(mci->mci_rstatus);
257 	SM_FREE(mci->mci_heloname);
258 	mci_clear(mci);
259 	if (mci->mci_rpool != NULL)
261 		sm_rpool_free(mci->mci_rpool);
262 		mci->mci_macro.mac_rpool = NULL;
263 		mci->mci_rpool = NULL;
306 mci_clr_extensions(mci)  in mci_clr_extensions()  argument
307 	MCI *mci;  in mci_clr_extensions()
309 	if (mci == NULL)
312 	mci->mci_flags &= ~MCIF_EXTENS;
313 	mci->mci_maxsize = 0;
314 	mci->mci_min_by = 0;
316 	mci->mci_saslcap = NULL;
331 mci_clear(mci)  in mci_clear()  argument
332 	MCI *mci;  in mci_clear()
334 	if (mci == NULL)
337 	mci->mci_maxsize = 0;
338 	mci->mci_min_by = 0;
339 	mci->mci_deliveries = 0;
341 	if (bitset(MCIF_AUTHACT, mci->mci_flags))
342 		sasl_dispose(&mci->mci_conn);
345 	if (bitset(MCIF_TLSACT, mci->mci_flags) && mci->mci_ssl != NULL)
346 		SM_SSL_FREE(mci->mci_ssl);
350 	mci->mci_flags &= MCIF_CACHED;
351 	mactabclear(&mci->mci_macro);
370 	register MCI *mci;  local
384 	mci = &s->s_mci;
387 	mci->mci_retryrcpt = false;
388 	mci->mci_tolist = NULL;
389 	mci->mci_okrcpts = 0;
390 	mci->mci_flags &= ~MCIF_NOTSTICKY;
392 	if (mci->mci_rpool == NULL)
393 		mci->mci_rpool = sm_rpool_new_x(NULL);
395 	if (mci->mci_macro.mac_rpool == NULL)
396 		mci->mci_macro.mac_rpool = mci->mci_rpool;
403 	if (mci->mci_host == NULL &&
404 	    (mci->mci_host = s->s_name) != NULL &&
405 	    !mci_load_persistent(mci))
410 		mci->mci_exitstat = EX_TEMPFAIL;
411 		mci->mci_state = MCIS_CLOSED;
412 		mci->mci_statfile = NULL;
413 		return mci;
419 			host, m->m_name, mci->mci_state, mci->mci_flags,
420 			mci->mci_exitstat, mci->mci_errno);
423 	if (mci->mci_state == MCIS_OPEN)
426 		(void) smtpprobe(mci);
429 		if (mci->mci_state != MCIS_OPEN)
431 			mci->mci_errno = 0;
432 			mci->mci_exitstat = EX_OK;
433 			mci->mci_state = MCIS_CLOSED;
441 			(void) getpeername(sm_io_getinfo(mci->mci_in,
446 	if (mci->mci_state == MCIS_CLOSED)
451 		if (mci->mci_lastuse + MciInfoTimeout <= now)
453 			mci->mci_lastuse = now;
454 			mci->mci_errno = 0;
455 			mci->mci_exitstat = EX_OK;
457 		mci_clear(mci);
460 	return mci;
477 mci_close(mci, where)  in mci_close()  argument
478 	MCI *mci;  in mci_close()
483 	if (mci == NULL)
486 	if (mci->mci_out != NULL)
492 			mci_dump(sm_debug_file(), mci, false);
495 		(void) sm_io_close(mci->mci_out, SM_TIME_DEFAULT);
496 		mci->mci_out = NULL;
498 	if (mci->mci_in != NULL)
505 				mci_dump(sm_debug_file(), mci, false);
507 		(void) sm_io_close(mci->mci_in, SM_TIME_DEFAULT);
508 		mci->mci_in = NULL;
510 	mci->mci_state = MCIS_CLOSED;
527 	register MCI *mci;  local
530 		mci = (MCI *) sm_malloc_x(sizeof(*mci));
532 		mci = (MCI *) sm_rpool_malloc_x(rpool, sizeof(*mci));
533 	memset((char *) mci, '\0', sizeof(*mci));
534 	mci->mci_rpool = sm_rpool_new_x(NULL);
535 	mci->mci_macro.mac_rpool = mci->mci_rpool;
536 	return mci;
554 	register MCI *mci;  local
563 	mci = &s->s_mci;
564 	return mci->mci_state == MCIS_OPEN;
580 mci_setstat(mci, xstat, dstat, rstat)  in mci_setstat()  argument
581 	MCI *mci;  in mci_setstat()
588 		mci->mci_exitstat = xstat;
590 	SM_FREE(mci->mci_status);
592 		mci->mci_status = sm_strdup_x(dstat);
594 	SM_FREE(mci->mci_rstatus);
596 		mci->mci_rstatus = sm_strdup_x(rstat);
656 mci_dump(fp, mci, logit)  in mci_dump()  argument
658 	register MCI *mci;
667 	(void) sm_snprintf(p, SPACELEFT(buf, p), "MCI@%p: ", (void *)mci);
669 	if (mci == NULL)
674 	(void) sm_snprintf(p, SPACELEFT(buf, p), "flags=%lx", mci->mci_flags);
686 	if (mci->mci_flags != 0)
693 			if (!bitset(f->mcif_bit, mci->mci_flags))
705 		sep, mci->mci_errno, mci->mci_herrno,
706 		mci->mci_exitstat, mci->mci_state, (int) mci->mci_pid, sep);
710 		mci->mci_maxsize, mci->mci_phase,
711 		mci->mci_mailer == NULL ? "NULL" : mci->mci_mailer->m_name,
716 		mci->mci_status, mci->mci_rstatus, sep);
720 		mci->mci_host, ctime(&mci->mci_lastuse));
772 mci_lock_host(mci)  in mci_lock_host()  argument
773 	MCI *mci;  in mci_lock_host()
775 	if (mci == NULL)
785 	return mci_lock_host_statfile(mci);
789 mci_lock_host_statfile(mci)  in mci_lock_host_statfile()  argument
790 	MCI *mci;  in mci_lock_host_statfile()
796 	if (HostStatDir == NULL || mci->mci_host == NULL)
801 			   mci->mci_host);
803 	if (mci_generate_persistent_path(mci->mci_host, fname, sizeof(fname),
809 				   mci->mci_host);
815 	mci->mci_statfile = safefopen(fname, O_RDWR, FileMode,
818 	if (mci->mci_statfile == NULL)
824 	if (!lockfile(sm_io_getinfo(mci->mci_statfile, SM_IO_WHAT_FD, NULL),
830 		(void) sm_io_close(mci->mci_statfile, SM_TIME_DEFAULT);
831 		mci->mci_statfile = NULL;
836 	if (tTd(56, 12) && mci->mci_statfile != NULL)
857 mci_unlock_host(mci)  in mci_unlock_host()  argument
858 	MCI *mci;  in mci_unlock_host()
862 	if (mci == NULL)
869 	if (HostStatDir == NULL || mci->mci_host == NULL)
872 	if (!SingleThreadDelivery && mci_lock_host_statfile(mci) == EX_TEMPFAIL)
881 		mci_store_persistent(mci);
884 	if (mci->mci_statfile != NULL)
886 		(void) sm_io_close(mci->mci_statfile, SM_TIME_DEFAULT);
887 		mci->mci_statfile = NULL;
907 mci_load_persistent(mci)  in mci_load_persistent()  argument
908 	MCI *mci;  in mci_load_persistent()
915 	if (mci == NULL)
922 	if (IgnoreHostStatus || HostStatDir == NULL || mci->mci_host == NULL)
926 	if (SingleThreadDelivery && mci->mci_statfile != NULL)
931 			   mci->mci_host);
933 	if (mci_generate_persistent_path(mci->mci_host, fname, sizeof(fname),
958 		(void) mci_read_persistent(fp, mci);
989 mci_read_persistent(fp, mci)  in mci_read_persistent()  argument
991 	register MCI *mci;
1004 	if (mci == NULL)
1016 	SM_FREE(mci->mci_status);
1017 	SM_FREE(mci->mci_rstatus);
1038 			mci->mci_errno = atoi(&buf[1]);
1042 			mci->mci_herrno = atoi(&buf[1]);
1046 			mci->mci_exitstat = atoi(&buf[1]);
1050 			mci->mci_status = newstr(&buf[1]);
1054 			mci->mci_rstatus = newstr(&buf[1]);
1058 			mci->mci_lastuse = atol(&buf[1]);
1063 				mci_dump(sm_debug_file(), mci, false);
1069 				  FileName == NULL ? mci->mci_host : FileName,
1096 mci_store_persistent(mci)  in mci_store_persistent()  argument
1097 	MCI *mci;  in mci_store_persistent()
1101 	if (mci == NULL)
1108 	if (HostStatDir == NULL || mci->mci_host == NULL)
1113 			   mci->mci_host);
1115 	if (mci->mci_statfile == NULL)
1122 	sm_io_rewind(mci->mci_statfile, SM_TIME_DEFAULT);
1124 	(void) ftruncate(sm_io_getinfo(mci->mci_statfile, SM_IO_WHAT_FD, NULL),
1128 	(void) sm_io_fprintf(mci->mci_statfile, SM_TIME_DEFAULT, "V0\n");
1129 	(void) sm_io_fprintf(mci->mci_statfile, SM_TIME_DEFAULT, "E%d\n",
1130 			     mci->mci_errno);
1131 	(void) sm_io_fprintf(mci->mci_statfile, SM_TIME_DEFAULT, "H%d\n",
1132 			     mci->mci_herrno);
1133 	(void) sm_io_fprintf(mci->mci_statfile, SM_TIME_DEFAULT, "S%d\n",
1134 			     mci->mci_exitstat);
1135 	if (mci->mci_status != NULL)
1136 		(void) sm_io_fprintf(mci->mci_statfile, SM_TIME_DEFAULT,
1138 				     denlstring(mci->mci_status, true, false));
1139 	if (mci->mci_rstatus != NULL)
1140 		(void) sm_io_fprintf(mci->mci_statfile, SM_TIME_DEFAULT,
1142 				     denlstring(mci->mci_rstatus, true, false));
1143 	(void) sm_io_fprintf(mci->mci_statfile, SM_TIME_DEFAULT, "U%ld\n",
1144 			     (long)(mci->mci_lastuse));
1145 	(void) sm_io_fprintf(mci->mci_statfile, SM_TIME_DEFAULT, ".\n");
1147 	(void) sm_io_flush(mci->mci_statfile, SM_TIME_DEFAULT);