sbin/dhcpagent/renew.c

83 	dhcp_smach_t *dsmp = dlp->dl_smach;
87 	    dsmp->dsm_name);
91 	if (dsmp->dsm_state == RENEWING || dsmp->dsm_state == REBINDING) {
102 	t2 = dsmp->dsm_curstart_monosec + dlp->dl_t2.dt_start;
105 		    monosec() > t2 ? "" : "almost ", dsmp->dsm_name);
115 	if (!async_cancel(dsmp) || !async_start(dsmp, DHCP_EXTEND, B_FALSE) ||
116 	    !dhcp_extending(dsmp)) {
123 			(void) set_smach_state(dsmp, BOUND);
129 				    dsmp->dsm_name);
133 			    "wait for rebind", dsmp->dsm_name);
156 	dhcp_smach_t	*dsmp = dlp->dl_smach;
164 	    dsmp->dsm_name);
168 	if ((oldstate = dsmp->dsm_state) == REBINDING) {
187 		expire = dsmp->dsm_curstart_monosec + lif->lif_expire.dt_start;
195 		    dsmp->dsm_name);
205 	if (dsmp->dsm_isv6) {
206 		dsmp->dsm_server = ipv6_all_dhcp_relay_and_servers;
209 		    &dsmp->dsm_server);
213 	(void) set_smach_state(dsmp, REBINDING);
220 	if (!async_cancel(dsmp) || !async_start(dsmp, DHCP_EXTEND, B_FALSE) ||
221 	    !dhcp_extending(dsmp)) {
228 			(void) set_smach_state(dsmp, oldstate);
233 				    "%s; lease may expire", dsmp->dsm_name);
237 			    "will expire", dsmp->dsm_name);
255 dhcp_finish_expire(dhcp_smach_t *dsmp, void *arg)
269 	if (dsmp->dsm_leases != NULL) {
272 		    dsmp->dsm_name);
276 	(void) remove_hostconf(dsmp->dsm_name, dsmp->dsm_isv6);
279 	    dsmp->dsm_name);
287 	if (dsmp->dsm_state == BOUND) {
288 		dsmp->dsm_bad_offers	= 0;
289 		dsmp->dsm_sent		= 0;
290 		dsmp->dsm_received	= 0;
293 	deprecate_leases(dsmp);
296 	dhcp_selecting(dsmp);
334 	dhcp_smach_t	*dsmp;
348 	dsmp = lif->lif_lease->dl_smach;
350 	if (!async_cancel(dsmp)) {
354 		    "on %s", dsmp->dsm_name);
369 	if (!async_start(dsmp, DHCP_START, B_FALSE))
371 		    "transaction on %s, continuing...", dsmp->dsm_name);
379 	if (expired_lif_state(dsmp) == DHCP_EXP_SOMEEXP)
381 	else if (dsmp->dsm_isv6)
392 	(void) script_start(dsmp, event, dhcp_finish_expire, lif, NULL);
404 dhcp_extending(dhcp_smach_t *dsmp)
408 	stop_pkt_retransmission(dsmp);
414 	if (dsmp->dsm_state == BOUND) {
415 		dsmp->dsm_neg_hrtime	= gethrtime();
416 		dsmp->dsm_bad_offers	= 0;
417 		dsmp->dsm_sent		= 0;
418 		dsmp->dsm_received	= 0;
420 		(void) set_smach_state(dsmp, RENEWING);
424 	    dsmp->dsm_name);
426 	if (dsmp->dsm_isv6) {
437 		if (dsmp->dsm_state == RENEWING) {
438 			dpkt = init_pkt(dsmp, DHCPV6_MSG_RENEW);
440 			    dsmp->dsm_serverid, dsmp->dsm_serveridlen);
444 			dpkt = init_pkt(dsmp, DHCPV6_MSG_REBIND);
453 		for (dlp = dsmp->dsm_leases; dlp != NULL; dlp = dlp->dl_next) {
463 		(void) add_pkt_prl(dpkt, dsmp);
465 		return (send_pkt_v6(dsmp, dpkt, dsmp->dsm_server,
468 		dhcp_lif_t *lif = dsmp->dsm_lif;
472 		dpkt = init_pkt(dsmp, REQUEST);
487 		(void) add_pkt_prl(dpkt, dsmp);
493 		if (dsmp->dsm_reqhost != NULL) {
494 			(void) add_pkt_opt(dpkt, CD_HOSTNAME, dsmp->dsm_reqhost,
495 			    strlen(dsmp->dsm_reqhost));
499 		IN6_V4MAPPED_TO_IPADDR(&dsmp->dsm_server, server);
500 		return (send_pkt(dsmp, dpkt, server, stop_extending));
516 stop_extending(dhcp_smach_t *dsmp, unsigned int n_requests)
524 	if (dsmp->dsm_state == RENEWING) {
528 		for (dlp = dsmp->dsm_leases; dlp != NULL; dlp = dlp->dl_next) {
532 		t2 += dsmp->dsm_curstart_monosec;
535 			    monosec() > t2 ? "" : "almost ", dsmp->dsm_name);
546 	if (!dsmp->dsm_isv6 &&
547 	    dsmp->dsm_send_timeout < DHCP_REBIND_MIN * MILLISEC / 2) {
549 		    "%d.%03d; stopping", dsmp->dsm_send_timeout / MILLISEC,
550 		    dsmp->dsm_send_timeout % MILLISEC);