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ospfd: add print helper for SPF trees and route tables

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Signed-off-by: GalaxyGorilla <sascha@netdef.org>
This commit is contained in:
GalaxyGorilla 2020-08-12 11:58:54 +00:00
parent 1d376ff539
commit 3a76b1be88
4 changed files with 61 additions and 0 deletions
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31
ospfd/ospf_route.c
View File

@ -665,6 +665,37 @@ void ospf_route_table_dump(struct route_table *rt)
zlog_debug("========================================");
}
void ospf_route_table_print(struct vty *vty, struct route_table *rt)
{
struct route_node *rn;
struct ospf_route * or ;
struct listnode *pnode;
struct ospf_path *path;
vty_out(vty, "========== OSPF routing table ==========\n");
for (rn = route_top(rt); rn; rn = route_next(rn))
if ((or = rn->info) != NULL) {
if (or->type == OSPF_DESTINATION_NETWORK) {
vty_out(vty, "N %-18pFX %-15pI4 %s %d\n",
&rn->p, & or->u.std.area_id,
ospf_path_type_str[or->path_type],
or->cost);
for (ALL_LIST_ELEMENTS_RO(or->paths, pnode,
path))
vty_out(vty, " -> %s\n",
path->nexthop.s_addr != 0
? inet_ntoa(
path->nexthop)
: "directly connected");
} else
vty_out(vty, "R %-18pI4 %-15pI4 %s %d\n",
&rn->p.u.prefix4, & or->u.std.area_id,
ospf_path_type_str[or->path_type],
or->cost);
}
vty_out(vty, "========================================\n");
}
/* This is 16.4.1 implementation.
o Intra-area paths using non-backbone areas are always the most preferred.
o The other paths, intra-area backbone paths and inter-area paths,

1
ospfd/ospf_route.h
View File

@ -132,6 +132,7 @@ extern void ospf_route_table_free(struct route_table *);
extern void ospf_route_install(struct ospf *, struct route_table *);
extern void ospf_route_table_dump(struct route_table *);
extern void ospf_route_table_print(struct vty *vty, struct route_table *rt);
extern void ospf_intra_add_router(struct route_table *, struct vertex *,
struct ospf_area *);

27
ospfd/ospf_spf.c
View File

@ -994,6 +994,33 @@ static void ospf_spf_dump(struct vertex *v, int i)
ospf_spf_dump(v, i);
}
void ospf_spf_print(struct vty *vty, struct vertex *v, int i)
{
struct listnode *cnode;
struct listnode *nnode;
struct vertex_parent *parent;
if (v->type == OSPF_VERTEX_ROUTER) {
vty_out(vty, "SPF Result: depth %d [R] %s\n", i,
inet_ntoa(v->lsa->id));
} else {
struct network_lsa *lsa = (struct network_lsa *)v->lsa;
vty_out(vty, "SPF Result: depth %d [N] %s/%d\n", i,
inet_ntoa(v->lsa->id), ip_masklen(lsa->mask));
}
for (ALL_LIST_ELEMENTS_RO(v->parents, nnode, parent)) {
vty_out(vty, " nexthop %s lsa pos %d\n",
inet_ntoa(parent->nexthop->router),
parent->nexthop->lsa_pos);
}
i++;
for (ALL_LIST_ELEMENTS_RO(v->children, cnode, v))
ospf_spf_print(vty, v, i);
}
/* Second stage of SPF calculation. */
static void ospf_spf_process_stubs(struct ospf_area *area, struct vertex *v,
struct route_table *rt, int parent_is_root)

2
ospfd/ospf_spf.h
View File

@ -82,5 +82,7 @@ extern int ospf_spf_calculate_areas(struct ospf *ospf,
bool is_dry_run);
extern void ospf_rtrs_free(struct route_table *);
extern void ospf_spf_print(struct vty *vty, struct vertex *v, int i);
/* void ospf_spf_calculate_timer_add (); */
#endif /* _QUAGGA_OSPF_SPF_H */