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-rw-r--r--proto/babel/babel.c76
-rw-r--r--proto/babel/babel.h4
-rw-r--r--proto/babel/config.Y2
3 files changed, 42 insertions, 40 deletions
diff --git a/proto/babel/babel.c b/proto/babel/babel.c
index fcd7eafb..f19a2e0f 100644
--- a/proto/babel/babel.c
+++ b/proto/babel/babel.c
@@ -37,6 +37,7 @@
#include <stdlib.h>
#include "babel.h"
+#include "lib/macro.h"
#define LOG_PKT_AUTH(msg, args...) \
log_rl(&p->log_pkt_tbf, L_AUTH "%s: " msg, p->p.name, args)
@@ -58,6 +59,8 @@ static void babel_update_cost(struct babel_neighbor *n);
static inline void babel_kick_timer(struct babel_proto *p);
static inline void babel_iface_kick_timer(struct babel_iface *ifa);
+static struct ea_class ea_babel_metric, ea_babel_router_id, ea_babel_seqno;
+
/*
* Functions to maintain data structures
*/
@@ -646,9 +649,9 @@ babel_announce_rte(struct babel_proto *p, struct babel_entry *e)
} eattrs = {
.l.count = 3,
.a = {
- EA_LITERAL_EMBEDDED(EA_BABEL_METRIC, T_INT, 0, r->metric),
- EA_LITERAL_STORE_ADATA(EA_BABEL_ROUTER_ID, T_OPAQUE, 0, &r->router_id, sizeof(r->router_id)),
- EA_LITERAL_EMBEDDED(EA_BABEL_SEQNO, T_INT, 0, r->seqno),
+ EA_LITERAL_EMBEDDED(&ea_babel_metric, 0, r->metric),
+ EA_LITERAL_STORE_ADATA(&ea_babel_router_id, 0, &r->router_id, sizeof(r->router_id)),
+ EA_LITERAL_EMBEDDED(&ea_babel_seqno, 0, r->seqno),
}
};
@@ -2021,38 +2024,40 @@ static void
babel_get_route_info(rte *rte, byte *buf)
{
u64 rid = 0;
- eattr *e = ea_find(rte->attrs->eattrs, EA_BABEL_ROUTER_ID);
+ eattr *e = ea_find(rte->attrs->eattrs, &ea_babel_router_id);
if (e)
memcpy(&rid, e->u.ptr->data, sizeof(u64));
buf += bsprintf(buf, " (%d/%d) [%lR]", rte->attrs->pref,
- ea_get_int(rte->attrs->eattrs, EA_BABEL_METRIC, BABEL_INFINITY), rid);
+ ea_get_int(rte->attrs->eattrs, &ea_babel_metric, BABEL_INFINITY), rid);
}
-static int
-babel_get_attr(const eattr *a, byte *buf, int buflen UNUSED)
+static void
+babel_router_id_format(const eattr *a, byte *buf, uint len)
{
- switch (a->id)
- {
- case EA_BABEL_SEQNO:
- return GA_FULL;
+ u64 rid = 0;
+ memcpy(&rid, a->u.ptr->data, sizeof(u64));
+ bsnprintf(buf, len, "%lR", rid);
+}
- case EA_BABEL_METRIC:
- bsprintf(buf, "metric: %d", a->u.data);
- return GA_FULL;
+static struct ea_class ea_babel_metric = {
+ .name = "babel_metric",
+ .type = T_INT,
+};
- case EA_BABEL_ROUTER_ID:
- {
- u64 rid = 0;
- memcpy(&rid, a->u.ptr->data, sizeof(u64));
- bsprintf(buf, "router_id: %lR", rid);
- return GA_FULL;
- }
+static struct ea_class ea_babel_router_id = {
+ .name = "babel_router_id",
+ .type = T_OPAQUE,
+ .readonly = 1,
+ .format = babel_router_id_format,
+};
+
+static struct ea_class ea_babel_seqno = {
+ .name = "babel_seqno",
+ .type = T_INT,
+ .readonly = 1,
+};
- default:
- return GA_UNKNOWN;
- }
-}
void
babel_show_interfaces(struct proto *P, const char *iff)
@@ -2275,13 +2280,13 @@ babel_rt_notify(struct proto *P, struct channel *c UNUSED, const net_addr *net,
{
/* Update */
uint rt_seqno;
- uint rt_metric = ea_get_int(new->attrs->eattrs, EA_BABEL_METRIC, 0);
+ uint rt_metric = ea_get_int(new->attrs->eattrs, &ea_babel_metric, 0);
u64 rt_router_id = 0;
if (new->src->proto == P)
{
- rt_seqno = ea_find(new->attrs->eattrs, EA_BABEL_SEQNO)->u.data;
- eattr *e = ea_find(new->attrs->eattrs, EA_BABEL_ROUTER_ID);
+ rt_seqno = ea_get_int(new->attrs->eattrs, &ea_babel_seqno, 0);
+ eattr *e = ea_find(new->attrs->eattrs, &ea_babel_router_id);
if (e)
memcpy(&rt_router_id, e->u.ptr->data, sizeof(u64));
}
@@ -2332,8 +2337,8 @@ babel_rt_notify(struct proto *P, struct channel *c UNUSED, const net_addr *net,
static int
babel_rte_better(struct rte *new, struct rte *old)
{
- uint new_metric = ea_find(new->attrs->eattrs, EA_BABEL_SEQNO)->u.data;
- uint old_metric = ea_find(old->attrs->eattrs, EA_BABEL_SEQNO)->u.data;
+ uint new_metric = ea_get_int(new->attrs->eattrs, &ea_babel_metric, BABEL_INFINITY);
+ uint old_metric = ea_get_int(old->attrs->eattrs, &ea_babel_metric, BABEL_INFINITY);
return new_metric < old_metric;
}
@@ -2341,7 +2346,7 @@ babel_rte_better(struct rte *new, struct rte *old)
static u32
babel_rte_igp_metric(struct rte *rt)
{
- return ea_get_int(rt->attrs->eattrs, EA_BABEL_METRIC, BABEL_INFINITY);
+ return ea_get_int(rt->attrs->eattrs, &ea_babel_metric, BABEL_INFINITY);
}
@@ -2474,11 +2479,9 @@ babel_reconfigure(struct proto *P, struct proto_config *CF)
return 1;
}
-
struct protocol proto_babel = {
.name = "Babel",
.template = "babel%d",
- .class = PROTOCOL_BABEL,
.preference = DEF_PREF_BABEL,
.channel_mask = NB_IP | NB_IP6_SADR,
.proto_size = sizeof(struct babel_proto),
@@ -2490,11 +2493,16 @@ struct protocol proto_babel = {
.shutdown = babel_shutdown,
.reconfigure = babel_reconfigure,
.get_route_info = babel_get_route_info,
- .get_attr = babel_get_attr
};
void
babel_build(void)
{
proto_build(&proto_babel);
+
+ EA_REGISTER_ALL(
+ &ea_babel_metric,
+ &ea_babel_router_id,
+ &ea_babel_seqno
+ );
}
diff --git a/proto/babel/babel.h b/proto/babel/babel.h
index 00814641..a980d1da 100644
--- a/proto/babel/babel.h
+++ b/proto/babel/babel.h
@@ -26,10 +26,6 @@
#include "lib/string.h"
#include "lib/timer.h"
-#define EA_BABEL_METRIC EA_CODE(PROTOCOL_BABEL, 0)
-#define EA_BABEL_ROUTER_ID EA_CODE(PROTOCOL_BABEL, 1)
-#define EA_BABEL_SEQNO EA_CODE(PROTOCOL_BABEL, 2)
-
#define BABEL_MAGIC 42
#define BABEL_VERSION 2
#define BABEL_PORT 6696
diff --git a/proto/babel/config.Y b/proto/babel/config.Y
index fa745993..82419b20 100644
--- a/proto/babel/config.Y
+++ b/proto/babel/config.Y
@@ -163,8 +163,6 @@ babel_iface_opt_list:
babel_iface:
babel_iface_start iface_patt_list_nopx babel_iface_opt_list babel_iface_finish;
-dynamic_attr: BABEL_METRIC { $$ = f_new_dynamic_attr(T_INT, EA_BABEL_METRIC); } ;
-
CF_CLI_HELP(SHOW BABEL, ..., [[Show information about Babel protocol]]);
CF_CLI(SHOW BABEL INTERFACES, optproto opttext, [<name>] [\"<interface>\"], [[Show information about Babel interfaces]])