1 files changed, 220 insertions, 0 deletions
diff --git a/ripngd/ripng_nb_state.c b/ripngd/ripng_nb_state.c
new file mode 100644
index 0000000..3f37df3
--- /dev/null
+++ b/ripngd/ripng_nb_state.c
@@ -0,0 +1,220 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2018 NetDEF, Inc.
+ *                    Renato Westphal
+ */
+
+#include <zebra.h>
+
+#include "if.h"
+#include "vrf.h"
+#include "log.h"
+#include "prefix.h"
+#include "table.h"
+#include "command.h"
+#include "routemap.h"
+#include "agg_table.h"
+#include "northbound.h"
+#include "libfrr.h"
+
+#include "ripngd/ripngd.h"
+#include "ripngd/ripng_nb.h"
+#include "ripngd/ripng_debug.h"
+#include "ripngd/ripng_route.h"
+
+/*
+ * XPath: /frr-ripngd:ripngd/instance/state/neighbors/neighbor
+ */
+const void *ripngd_instance_state_neighbors_neighbor_get_next(
+	struct nb_cb_get_next_args *args)
+{
+	const struct ripng *ripng = args->parent_list_entry;
+	struct listnode *node;
+
+	if (args->list_entry == NULL)
+		node = listhead(ripng->peer_list);
+	else
+		node = listnextnode((struct listnode *)args->list_entry);
+
+	return node;
+}
+
+int ripngd_instance_state_neighbors_neighbor_get_keys(
+	struct nb_cb_get_keys_args *args)
+{
+	const struct listnode *node = args->list_entry;
+	const struct ripng_peer *peer = listgetdata(node);
+
+	args->keys->num = 1;
+	(void)inet_ntop(AF_INET6, &peer->addr, args->keys->key[0],
+			sizeof(args->keys->key[0]));
+
+	return NB_OK;
+}
+
+const void *ripngd_instance_state_neighbors_neighbor_lookup_entry(
+	struct nb_cb_lookup_entry_args *args)
+{
+	const struct ripng *ripng = args->parent_list_entry;
+	struct in6_addr address;
+	struct ripng_peer *peer;
+	struct listnode *node;
+
+	yang_str2ipv6(args->keys->key[0], &address);
+
+	for (ALL_LIST_ELEMENTS_RO(ripng->peer_list, node, peer)) {
+		if (IPV6_ADDR_SAME(&peer->addr, &address))
+			return node;
+	}
+
+	return NULL;
+}
+
+/*
+ * XPath: /frr-ripngd:ripngd/instance/state/neighbors/neighbor/address
+ */
+struct yang_data *ripngd_instance_state_neighbors_neighbor_address_get_elem(
+	struct nb_cb_get_elem_args *args)
+{
+	const struct listnode *node = args->list_entry;
+	const struct ripng_peer *peer = listgetdata(node);
+
+	return yang_data_new_ipv6(args->xpath, &peer->addr);
+}
+
+/*
+ * XPath: /frr-ripngd:ripngd/instance/state/neighbors/neighbor/last-update
+ */
+struct yang_data *ripngd_instance_state_neighbors_neighbor_last_update_get_elem(
+	struct nb_cb_get_elem_args *args)
+{
+	/* TODO: yang:date-and-time is tricky */
+	return NULL;
+}
+
+/*
+ * XPath: /frr-ripngd:ripngd/instance/state/neighbors/neighbor/bad-packets-rcvd
+ */
+struct yang_data *
+ripngd_instance_state_neighbors_neighbor_bad_packets_rcvd_get_elem(
+	struct nb_cb_get_elem_args *args)
+{
+	const struct listnode *node = args->list_entry;
+	const struct ripng_peer *peer = listgetdata(node);
+
+	return yang_data_new_uint32(args->xpath, peer->recv_badpackets);
+}
+
+/*
+ * XPath: /frr-ripngd:ripngd/instance/state/neighbors/neighbor/bad-routes-rcvd
+ */
+struct yang_data *
+ripngd_instance_state_neighbors_neighbor_bad_routes_rcvd_get_elem(
+	struct nb_cb_get_elem_args *args)
+{
+	const struct listnode *node = args->list_entry;
+	const struct ripng_peer *peer = listgetdata(node);
+
+	return yang_data_new_uint32(args->xpath, peer->recv_badroutes);
+}
+
+/*
+ * XPath: /frr-ripngd:ripngd/instance/state/routes/route
+ */
+const void *
+ripngd_instance_state_routes_route_get_next(struct nb_cb_get_next_args *args)
+{
+	const struct ripng *ripng = args->parent_list_entry;
+	struct agg_node *rn;
+
+	if (args->list_entry == NULL)
+		rn = agg_route_top(ripng->table);
+	else
+		rn = agg_route_next((struct agg_node *)args->list_entry);
+	/* Optimization: skip empty route nodes. */
+	while (rn && rn->info == NULL)
+		rn = agg_route_next(rn);
+
+	return rn;
+}
+
+int ripngd_instance_state_routes_route_get_keys(
+	struct nb_cb_get_keys_args *args)
+{
+	const struct agg_node *rn = args->list_entry;
+
+	args->keys->num = 1;
+	(void)prefix2str(agg_node_get_prefix(rn), args->keys->key[0],
+			 sizeof(args->keys->key[0]));
+
+	return NB_OK;
+}
+
+const void *ripngd_instance_state_routes_route_lookup_entry(
+	struct nb_cb_lookup_entry_args *args)
+{
+	const struct ripng *ripng = args->parent_list_entry;
+	struct prefix prefix;
+	struct agg_node *rn;
+
+	yang_str2ipv6p(args->keys->key[0], &prefix);
+
+	rn = agg_node_lookup(ripng->table, &prefix);
+	if (!rn || !rn->info)
+		return NULL;
+
+	agg_unlock_node(rn);
+
+	return rn;
+}
+
+/*
+ * XPath: /frr-ripngd:ripngd/instance/state/routes/route/prefix
+ */
+struct yang_data *ripngd_instance_state_routes_route_prefix_get_elem(
+	struct nb_cb_get_elem_args *args)
+{
+	const struct agg_node *rn = args->list_entry;
+	const struct ripng_info *rinfo = listnode_head(rn->info);
+
+	return yang_data_new_ipv6p(args->xpath, agg_node_get_prefix(rinfo->rp));
+}
+
+/*
+ * XPath: /frr-ripngd:ripngd/instance/state/routes/route/next-hop
+ */
+struct yang_data *ripngd_instance_state_routes_route_next_hop_get_elem(
+	struct nb_cb_get_elem_args *args)
+{
+	const struct agg_node *rn = args->list_entry;
+	const struct ripng_info *rinfo = listnode_head(rn->info);
+
+	return yang_data_new_ipv6(args->xpath, &rinfo->nexthop);
+}
+
+/*
+ * XPath: /frr-ripngd:ripngd/instance/state/routes/route/interface
+ */
+struct yang_data *ripngd_instance_state_routes_route_interface_get_elem(
+	struct nb_cb_get_elem_args *args)
+{
+	const struct agg_node *rn = args->list_entry;
+	const struct ripng_info *rinfo = listnode_head(rn->info);
+	const struct ripng *ripng = ripng_info_get_instance(rinfo);
+
+	return yang_data_new_string(
+		args->xpath,
+		ifindex2ifname(rinfo->ifindex, ripng->vrf->vrf_id));
+}
+
+/*
+ * XPath: /frr-ripngd:ripngd/instance/state/routes/route/metric
+ */
+struct yang_data *ripngd_instance_state_routes_route_metric_get_elem(
+	struct nb_cb_get_elem_args *args)
+{
+	const struct agg_node *rn = args->list_entry;
+	const struct ripng_info *rinfo = listnode_head(rn->info);
+
+	return yang_data_new_uint8(args->xpath, rinfo->metric);
+}