ripngd: retrofit the 'default-information' command to the new northbound model

Trivial conversion. 'ripng->default_information' was removed because
it was being used only to display the running configuration and
thus is not necessary anymore.

Signed-off-by: Renato Westphal <renato@opensourcerouting.org>

5 files changed, 47 insertions, 49 deletions

diff --git a/ripngd/ripng_cli.c b/ripngd/ripng_cli.c
index 8944198c2..04cde899d 100644
--- a/ripngd/ripng_cli.c
+++ b/ripngd/ripng_cli.c
@@ -99,10 +99,37 @@ void cli_show_ripng_allow_ecmp(struct vty *vty, struct lyd_node *dnode,
 	vty_out(vty, " allow-ecmp\n");
 }
 
+/*
+ * XPath: /frr-ripngd:ripngd/instance/default-information-originate
+ */
+DEFPY (ripng_default_information_originate,
+       ripng_default_information_originate_cmd,
+       "[no] default-information originate",
+       NO_STR
+       "Default route information\n"
+       "Distribute default route\n")
+{
+	nb_cli_enqueue_change(vty, "./default-information-originate",
+			      NB_OP_MODIFY, no ? "false" : "true");
+
+	return nb_cli_apply_changes(vty, NULL);
+}
+
+void cli_show_ripng_default_information_originate(struct vty *vty,
+						  struct lyd_node *dnode,
+						  bool show_defaults)
+{
+	if (!yang_dnode_get_bool(dnode, NULL))
+		vty_out(vty, " no");
+
+	vty_out(vty, " default-information originate\n");
+}
+
 void ripng_cli_init(void)
 {
 	install_element(CONFIG_NODE, &router_ripng_cmd);
 	install_element(CONFIG_NODE, &no_router_ripng_cmd);
 
 	install_element(RIPNG_NODE, &ripng_allow_ecmp_cmd);
+	install_element(RIPNG_NODE, &ripng_default_information_originate_cmd);
 }
diff --git a/ripngd/ripng_cli.h b/ripngd/ripng_cli.h
index e90fb8aae..6ba75c7f4 100644
--- a/ripngd/ripng_cli.h
+++ b/ripngd/ripng_cli.h
@@ -25,5 +25,8 @@ extern void cli_show_router_ripng(struct vty *vty, struct lyd_node *dnode,
 				  bool show_defaults);
 extern void cli_show_ripng_allow_ecmp(struct vty *vty, struct lyd_node *dnode,
 				      bool show_defaults);
+extern void cli_show_ripng_default_information_originate(struct vty *vty,
+							 struct lyd_node *dnode,
+							 bool show_defaults);
 
 #endif /* _FRR_RIPNG_CLI_H_ */
diff --git a/ripngd/ripng_northbound.c b/ripngd/ripng_northbound.c
index f067d048e..6d837af3c 100644
--- a/ripngd/ripng_northbound.c
+++ b/ripngd/ripng_northbound.c
@@ -99,7 +99,22 @@ static int ripngd_instance_default_information_originate_modify(
 	enum nb_event event, const struct lyd_node *dnode,
 	union nb_resource *resource)
 {
-	/* TODO: implement me. */
+	bool default_information;
+	struct prefix_ipv6 p;
+
+	if (event != NB_EV_APPLY)
+		return NB_OK;
+
+	default_information = yang_dnode_get_bool(dnode, NULL);
+	str2prefix_ipv6("::/0", &p);
+	if (default_information) {
+		ripng_redistribute_add(ZEBRA_ROUTE_RIPNG, RIPNG_ROUTE_DEFAULT,
+				       &p, 0, NULL, 0);
+	} else {
+		ripng_redistribute_delete(ZEBRA_ROUTE_RIPNG,
+					  RIPNG_ROUTE_DEFAULT, &p, 0);
+	}
+
 	return NB_OK;
 }
 
@@ -524,6 +539,7 @@ const struct frr_yang_module_info frr_ripngd_info = {
 		{
 			.xpath = "/frr-ripngd:ripngd/instance/default-information-originate",
 			.cbs.modify = ripngd_instance_default_information_originate_modify,
+			.cbs.cli_show = cli_show_ripng_default_information_originate,
 		},
 		{
 			.xpath = "/frr-ripngd:ripngd/instance/default-metric",
diff --git a/ripngd/ripngd.c b/ripngd/ripngd.c
index 0d5ec507b..e8dc45d1f 100644
--- a/ripngd/ripngd.c
+++ b/ripngd/ripngd.c
@@ -2499,46 +2499,6 @@ DEFUN (show_ipv6_protocols,
 }
 #endif
 
-/* Please be carefull to use this command. */
-DEFUN (ripng_default_information_originate,
-       ripng_default_information_originate_cmd,
-       "default-information originate",
-       "Default route information\n"
-       "Distribute default route\n")
-{
-	struct prefix_ipv6 p;
-
-	if (!ripng->default_information) {
-		ripng->default_information = 1;
-
-		str2prefix_ipv6("::/0", &p);
-		ripng_redistribute_add(ZEBRA_ROUTE_RIPNG, RIPNG_ROUTE_DEFAULT,
-				       &p, 0, NULL, 0);
-	}
-
-	return CMD_SUCCESS;
-}
-
-DEFUN (no_ripng_default_information_originate,
-       no_ripng_default_information_originate_cmd,
-       "no default-information originate",
-       NO_STR
-       "Default route information\n"
-       "Distribute default route\n")
-{
-	struct prefix_ipv6 p;
-
-	if (ripng->default_information) {
-		ripng->default_information = 0;
-
-		str2prefix_ipv6("::/0", &p);
-		ripng_redistribute_delete(ZEBRA_ROUTE_RIPNG,
-					  RIPNG_ROUTE_DEFAULT, &p, 0);
-	}
-
-	return CMD_SUCCESS;
-}
-
 /* Update ECMP routes to zebra when ECMP is disabled. */
 void ripng_ecmp_disable(void)
 {
@@ -2589,9 +2549,6 @@ static int ripng_config_write(struct vty *vty)
 	if (dnode) {
 		nb_cli_show_dnode_cmds(vty, dnode, false);
 
-		if (ripng->default_information)
-			vty_out(vty, " default-information originate\n");
-
 		ripng_network_write(vty, 1);
 
 		/* RIPng default metric configuration */
@@ -2943,10 +2900,6 @@ void ripng_init()
   install_element (RIPNG_NODE, &no_ripng_garbage_timer_cmd);
 #endif /* 0 */
 
-	install_element(RIPNG_NODE, &ripng_default_information_originate_cmd);
-	install_element(RIPNG_NODE,
-			&no_ripng_default_information_originate_cmd);
-
 	ripng_if_init();
 	ripng_debug_init();
 
diff --git a/ripngd/ripngd.h b/ripngd/ripngd.h
index 9b5f89076..c9bcd8b0e 100644
--- a/ripngd/ripngd.h
+++ b/ripngd/ripngd.h
@@ -106,7 +106,6 @@ struct ripng {
 	unsigned long garbage_time;
 	int max_mtu;
 	int default_metric;
-	int default_information;
 
 	/* Input/output buffer of RIPng. */
 	struct stream *ibuf;