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

Trivial conversion. ripng->default_metric was converted to an
uint8_t to match the way it's defined in the YANG module.

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

5 files changed, 46 insertions, 40 deletions

diff --git a/ripngd/ripng_cli.c b/ripngd/ripng_cli.c
index 04cde899d..5a1c9bdca 100644
--- a/ripngd/ripng_cli.c
+++ b/ripngd/ripng_cli.c
@@ -125,6 +125,40 @@ void cli_show_ripng_default_information_originate(struct vty *vty,
 	vty_out(vty, " default-information originate\n");
 }
 
+/*
+ * XPath: /frr-ripngd:ripngd/instance/default-metric
+ */
+DEFPY (ripng_default_metric,
+       ripng_default_metric_cmd,
+       "default-metric (1-16)",
+       "Set a metric of redistribute routes\n"
+       "Default metric\n")
+{
+	nb_cli_enqueue_change(vty, "./default-metric", NB_OP_MODIFY,
+			      default_metric_str);
+
+	return nb_cli_apply_changes(vty, NULL);
+}
+
+DEFPY (no_ripng_default_metric,
+       no_ripng_default_metric_cmd,
+       "no default-metric [(1-16)]",
+       NO_STR
+       "Set a metric of redistribute routes\n"
+       "Default metric\n")
+{
+	nb_cli_enqueue_change(vty, "./default-metric", NB_OP_MODIFY, NULL);
+
+	return nb_cli_apply_changes(vty, NULL);
+}
+
+void cli_show_ripng_default_metric(struct vty *vty, struct lyd_node *dnode,
+				   bool show_defaults)
+{
+	vty_out(vty, " default-metric %s\n",
+		yang_dnode_get_string(dnode, NULL));
+}
+
 void ripng_cli_init(void)
 {
 	install_element(CONFIG_NODE, &router_ripng_cmd);
@@ -132,4 +166,6 @@ void ripng_cli_init(void)
 
 	install_element(RIPNG_NODE, &ripng_allow_ecmp_cmd);
 	install_element(RIPNG_NODE, &ripng_default_information_originate_cmd);
+	install_element(RIPNG_NODE, &ripng_default_metric_cmd);
+	install_element(RIPNG_NODE, &no_ripng_default_metric_cmd);
 }
diff --git a/ripngd/ripng_cli.h b/ripngd/ripng_cli.h
index 6ba75c7f4..0cdbc2d6a 100644
--- a/ripngd/ripng_cli.h
+++ b/ripngd/ripng_cli.h
@@ -28,5 +28,8 @@ extern void cli_show_ripng_allow_ecmp(struct vty *vty, struct lyd_node *dnode,
 extern void cli_show_ripng_default_information_originate(struct vty *vty,
 							 struct lyd_node *dnode,
 							 bool show_defaults);
+extern void cli_show_ripng_default_metric(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 6d837af3c..7a7c14ceb 100644
--- a/ripngd/ripng_northbound.c
+++ b/ripngd/ripng_northbound.c
@@ -125,7 +125,11 @@ static int ripngd_instance_default_metric_modify(enum nb_event event,
 						 const struct lyd_node *dnode,
 						 union nb_resource *resource)
 {
-	/* TODO: implement me. */
+	if (event != NB_EV_APPLY)
+		return NB_OK;
+
+	ripng->default_metric = yang_dnode_get_uint8(dnode, NULL);
+
 	return NB_OK;
 }
 
@@ -544,6 +548,7 @@ const struct frr_yang_module_info frr_ripngd_info = {
 		{
 			.xpath = "/frr-ripngd:ripngd/instance/default-metric",
 			.cbs.modify = ripngd_instance_default_metric_modify,
+			.cbs.cli_show = cli_show_ripng_default_metric,
 		},
 		{
 			.xpath = "/frr-ripngd:ripngd/instance/network",
diff --git a/ripngd/ripngd.c b/ripngd/ripngd.c
index e8dc45d1f..4d67aa2f6 100644
--- a/ripngd/ripngd.c
+++ b/ripngd/ripngd.c
@@ -2290,33 +2290,6 @@ DEFUN (no_ripng_aggregate_address,
 	return CMD_SUCCESS;
 }
 
-DEFUN (ripng_default_metric,
-       ripng_default_metric_cmd,
-       "default-metric (1-16)",
-       "Set a metric of redistribute routes\n"
-       "Default metric\n")
-{
-	int idx_number = 1;
-	if (ripng) {
-		ripng->default_metric = atoi(argv[idx_number]->arg);
-	}
-	return CMD_SUCCESS;
-}
-
-DEFUN (no_ripng_default_metric,
-       no_ripng_default_metric_cmd,
-       "no default-metric [(1-16)]",
-       NO_STR
-       "Set a metric of redistribute routes\n"
-       "Default metric\n")
-{
-	if (ripng) {
-		ripng->default_metric = RIPNG_DEFAULT_METRIC_DEFAULT;
-	}
-	return CMD_SUCCESS;
-}
-
-
 #if 0
 /* RIPng update timer setup. */
 DEFUN (ripng_update_timer,
@@ -2551,11 +2524,6 @@ static int ripng_config_write(struct vty *vty)
 
 		ripng_network_write(vty, 1);
 
-		/* RIPng default metric configuration */
-		if (ripng->default_metric != RIPNG_DEFAULT_METRIC_DEFAULT)
-			vty_out(vty, " default-metric %d\n",
-				ripng->default_metric);
-
 		ripng_redistribute_write(vty, 1);
 
 		/* RIP offset-list configuration. */
@@ -2885,9 +2853,6 @@ void ripng_init()
 	install_element(RIPNG_NODE, &ripng_aggregate_address_cmd);
 	install_element(RIPNG_NODE, &no_ripng_aggregate_address_cmd);
 
-	install_element(RIPNG_NODE, &ripng_default_metric_cmd);
-	install_element(RIPNG_NODE, &no_ripng_default_metric_cmd);
-
 	install_element(RIPNG_NODE, &ripng_timers_cmd);
 	install_element(RIPNG_NODE, &no_ripng_timers_cmd);
 #if 0
diff --git a/ripngd/ripngd.h b/ripngd/ripngd.h
index c9bcd8b0e..6ebc72dae 100644
--- a/ripngd/ripngd.h
+++ b/ripngd/ripngd.h
@@ -77,9 +77,6 @@
 #define RIPNG_DEFAULT_ACCEPT_NONE        1
 #define RIPNG_DEFAULT_ACCEPT             2
 
-/* Default value for "default-metric" command. */
-#define RIPNG_DEFAULT_METRIC_DEFAULT     1
-
 /* For max RTE calculation. */
 #ifndef IPV6_HDRLEN
 #define IPV6_HDRLEN 40
@@ -105,7 +102,7 @@ struct ripng {
 	unsigned long timeout_time;
 	unsigned long garbage_time;
 	int max_mtu;
-	int default_metric;
+	uint8_t default_metric;
 
 	/* Input/output buffer of RIPng. */
 	struct stream *ibuf;