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Implements protocol templates.

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Based on the patch from Alexander V. Chernikov.
Extended to support almost all protocols.
Uses 'protocol bgp NAME from TEMPLATE { ... }' syntax.
This commit is contained in:
Ondrej Zajicek
2011-11-07 00:31:23 +01:00
parent 74add5df17
commit a7f23f581f
34 changed files with 387 additions and 110 deletions
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2
proto/static/config.Y
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@@ -26,7 +26,7 @@ CF_GRAMMAR
CF_ADDTO(proto, static_proto '}')
static_proto_start: proto_start STATIC {
this_proto = proto_config_new(&proto_static, sizeof(struct static_config));
this_proto = proto_config_new(&proto_static, sizeof(struct static_config), $1);
static_init_config((struct static_config *) this_proto);
}
;

53
proto/static/static.c
View File

@@ -470,6 +470,58 @@ static_reconfigure(struct proto *p, struct proto_config *new)
return 1;
}
static void
static_copy_routes(list *dlst, list *slst)
{
struct static_route *dr, *sr;
init_list(dlst);
WALK_LIST(sr, *slst)
{
/* copy one route */
dr = cfg_alloc(sizeof(struct static_route));
memcpy(dr, sr, sizeof(struct static_route));
/* This fn is supposed to be called on fresh src routes, which have 'live'
fields (like .chain, .neigh or .installed) zero, so no need to zero them */
/* We need to copy multipath chain, because there are backptrs in 'if_name' */
if (dr->dest == RTD_MULTIPATH)
{
struct static_route *md, *ms, **mp_last;
mp_last = &(dr->mp_next);
for (ms = sr->mp_next; ms; ms = ms->mp_next)
{
md = cfg_alloc(sizeof(struct static_route));
memcpy(md, ms, sizeof(struct static_route));
md->if_name = (void *) dr; /* really */
*mp_last = md;
mp_last = &(md->mp_next);
}
*mp_last = NULL;
}
add_tail(dlst, (node *) dr);
}
}
static void
static_copy_config(struct proto_config *dest, struct proto_config *src)
{
struct static_config *d = (struct static_config *) dest;
struct static_config *s = (struct static_config *) src;
/* Shallow copy of everything */
proto_copy_rest(dest, src, sizeof(struct static_config));
/* Copy route lists */
static_copy_routes(&d->iface_routes, &s->iface_routes);
static_copy_routes(&d->other_routes, &s->other_routes);
}
struct protocol proto_static = {
name: "Static",
template: "static%d",
@@ -479,6 +531,7 @@ struct protocol proto_static = {
shutdown: static_shutdown,
cleanup: static_cleanup,
reconfigure: static_reconfigure,
copy_config: static_copy_config
};
static void