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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.sbin/ospfd/area.c	Lines:	19	44	43.2 %
Date:	2017-11-13	Branches:	9	34	26.5 %


/*	$OpenBSD: area.c,v 1.10 2015/11/22 13:09:10 claudio Exp $ */

/*
 * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/types.h>
#include <sys/tree.h>
#include <err.h>
#include <stdlib.h>

#include "ospf.h"
#include "ospfd.h"
#include "ospfe.h"
#include "rde.h"
#include "log.h"

struct area *
area_new(void)
{
	struct area *area = NULL;

	if ((area = calloc(1, sizeof(*area))) == NULL)
		errx(1, "area_new: calloc");

	LIST_INIT(&area->iface_list);
	LIST_INIT(&area->nbr_list);
	RB_INIT(&area->lsa_tree);
	SIMPLEQ_INIT(&area->redist_list);

	return (area);
}

int
area_del(struct area *area)
{
	struct iface	*iface = NULL;
	struct vertex	*v, *nv;
	struct rde_nbr	*n;
	struct redistribute *r;

	/* area is removed so neutralize the demotion done by the area */
	if (area->active == 0)
		ospfe_demote_area(area, 1);

	/* clean lists */
	while ((iface = LIST_FIRST(&area->iface_list)) != NULL) {
		LIST_REMOVE(iface, entry);
		if_del(iface);
	}

	while ((n = LIST_FIRST(&area->nbr_list)) != NULL)
		rde_nbr_del(n);

	for (v = RB_MIN(lsa_tree, &area->lsa_tree); v != NULL; v = nv) {
		nv = RB_NEXT(lsa_tree, &area->lsa_tree, v);
		vertex_free(v);
	}

	while ((r = SIMPLEQ_FIRST(&area->redist_list)) != NULL) {
		SIMPLEQ_REMOVE_HEAD(&area->redist_list, entry);
		free(r);
	}

	free(area);

	return (0);
}

struct area *
area_find(struct ospfd_conf *conf, struct in_addr area_id)
{
	struct area	*area;

	LIST_FOREACH(area, &conf->area_list, entry) {
		if (area->id.s_addr == area_id.s_addr) {
			return (area);
		}
	}

	return (NULL);
}

void
area_track(struct area *area)
{
	int		old = area->active;
	struct iface	*iface;

	area->active = 0;
	LIST_FOREACH(iface, &area->iface_list, entry) {
		if (iface->state & IF_STA_DOWN)
			continue;
		area->active = 1;
		break;
	}

	if (area->active != old) {
		ospfe_imsg_compose_rde(IMSG_AREA_CHANGE, area->id.s_addr, 0,
		    &area->active, sizeof(area->active));
		ospfe_demote_area(area, old == 0);
	}
}

int
area_border_router(struct ospfd_conf *conf)
{
	struct area	*area;
	int		 active = 0;

	LIST_FOREACH(area, &conf->area_list, entry)
		if (area->active)
			active++;

	return (active > 1);
}

u_int8_t
area_ospf_options(struct area *area)
{
	u_int8_t	opt = 0;

	if (area && !area->stub)
		opt |= OSPF_OPTION_E;

	return (opt);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: area.c,v 1.10 2015/11/22 13:09:10 claudio Exp $ */
2
3			/*
4			* Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
5			*
6			* Permission to use, copy, modify, and distribute this software for any
7			* purpose with or without fee is hereby granted, provided that the above
8			* copyright notice and this permission notice appear in all copies.
9			*
10			* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11			* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12			* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13			* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14			* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15			* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16			* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17			*/
18
19			#include <sys/types.h>
20			#include <sys/tree.h>
21			#include <err.h>
22			#include <stdlib.h>
23
24			#include "ospf.h"
25			#include "ospfd.h"
26			#include "ospfe.h"
27			#include "rde.h"
28			#include "log.h"
29
30			struct area *
31			area_new(void)
32			{
33			struct area *area = NULL;
34
35	✗✓	48	if ((area = calloc(1, sizeof(*area))) == NULL)
36			errx(1, "area_new: calloc");
37
38		24	LIST_INIT(&area->iface_list);
39		24	LIST_INIT(&area->nbr_list);
40		24	RB_INIT(&area->lsa_tree);
41		24	SIMPLEQ_INIT(&area->redist_list);
42
43		24	return (area);
44			}
45
46			int
47			area_del(struct area *area)
48			{
49			struct iface *iface = NULL;
50			struct vertex v, nv;
51			struct rde_nbr *n;
52			struct redistribute *r;
53
54			/* area is removed so neutralize the demotion done by the area */
55	✓✗	48	if (area->active == 0)
56		24	ospfe_demote_area(area, 1);
57
58			/* clean lists */
59	✓✓	96	while ((iface = LIST_FIRST(&area->iface_list)) != NULL) {
60	✗✓	48	LIST_REMOVE(iface, entry);
61		24	if_del(iface);
62			}
63
64	✗✓	48	while ((n = LIST_FIRST(&area->nbr_list)) != NULL)
65			rde_nbr_del(n);
66
67	✗✓	48	for (v = RB_MIN(lsa_tree, &area->lsa_tree); v != NULL; v = nv) {
68			nv = RB_NEXT(lsa_tree, &area->lsa_tree, v);
69			vertex_free(v);
70			}
71
72	✗✓	48	while ((r = SIMPLEQ_FIRST(&area->redist_list)) != NULL) {
73			SIMPLEQ_REMOVE_HEAD(&area->redist_list, entry);
74			free(r);
75			}
76
77		24	free(area);
78
79		24	return (0);
80			}
81
82			struct area *
83			area_find(struct ospfd_conf *conf, struct in_addr area_id)
84			{
85			struct area *area;
86
87	✗✓	72	LIST_FOREACH(area, &conf->area_list, entry) {
88			if (area->id.s_addr == area_id.s_addr) {
89			return (area);
90			}
91			}
92
93		24	return (NULL);
94		24	}
95
96			void
97			area_track(struct area *area)
98			{
99			int old = area->active;
100			struct iface *iface;
101
102			area->active = 0;
103			LIST_FOREACH(iface, &area->iface_list, entry) {
104			if (iface->state & IF_STA_DOWN)
105			continue;
106			area->active = 1;
107			break;
108			}
109
110			if (area->active != old) {
111			ospfe_imsg_compose_rde(IMSG_AREA_CHANGE, area->id.s_addr, 0,
112			&area->active, sizeof(area->active));
113			ospfe_demote_area(area, old == 0);
114			}
115			}
116
117			int
118			area_border_router(struct ospfd_conf *conf)
119			{
120			struct area *area;
121			int active = 0;
122
123			LIST_FOREACH(area, &conf->area_list, entry)
124			if (area->active)
125			active++;
126
127			return (active > 1);
128			}
129
130			u_int8_t
131			area_ospf_options(struct area *area)
132			{
133			u_int8_t opt = 0;
134
135			if (area && !area->stub)
136			opt \|= OSPF_OPTION_E;
137
138			return (opt);
139			}