isisd: Add json to show isis interface command.

Signed-off-by: Javier Garcia <javier.martin.garcia@ibm.com>

1 files changed, 145 insertions, 0 deletions

diff --git a/isisd/isis_circuit.c b/isisd/isis_circuit.c
index 1b0447226d..da75f196ba 100644
--- a/isisd/isis_circuit.c
+++ b/isisd/isis_circuit.c
@@ -933,6 +933,151 @@ void circuit_update_nlpids(struct isis_circuit *circuit)
 	return;
 }
 
+void isis_circuit_print_json(struct isis_circuit *circuit,
+			     struct json_object *json, char detail)
+{
+	int level;
+	json_object *iface_json, *ipv4_addr_json, *ipv6_link_json,
+		*ipv6_non_link_json, *hold_json, *lan_prio_json, *levels_json,
+		*level_json;
+	char buf_prx[INET6_BUFSIZ];
+	char buf[255];
+
+	snprintfrr(buf, sizeof(buf), "0x%x", circuit->circuit_id);
+	if (detail == ISIS_UI_LEVEL_BRIEF) {
+		iface_json = json_object_new_object();
+		json_object_object_add(json, "interface", iface_json);
+		json_object_string_add(iface_json, "name",
+				       circuit->interface->name);
+		json_object_string_add(iface_json, "circuit-id", buf);
+		json_object_string_add(iface_json, "state",
+				       circuit_state2string(circuit->state));
+		json_object_string_add(iface_json, "type",
+				       circuit_type2string(circuit->circ_type));
+		json_object_string_add(iface_json, "level",
+				       circuit_t2string(circuit->is_type));
+	}
+
+	if (detail == ISIS_UI_LEVEL_DETAIL) {
+		struct listnode *node;
+		struct prefix *ip_addr;
+
+		iface_json = json_object_new_object();
+		json_object_object_add(json, "interface", iface_json);
+		json_object_string_add(iface_json, "name",
+				       circuit->interface->name);
+		json_object_string_add(iface_json, "state",
+				       circuit_state2string(circuit->state));
+		if (circuit->is_passive)
+			json_object_string_add(iface_json, "is-passive",
+					       "passive");
+		else
+			json_object_string_add(iface_json, "is-passive",
+					       "active");
+		json_object_string_add(iface_json, "circuit-id", buf);
+		json_object_string_add(iface_json, "type",
+				       circuit_type2string(circuit->circ_type));
+		json_object_string_add(iface_json, "level",
+				       circuit_t2string(circuit->is_type));
+		if (circuit->circ_type == CIRCUIT_T_BROADCAST)
+			json_object_string_add(iface_json, "snpa",
+					       snpa_print(circuit->u.bc.snpa));
+
+
+		levels_json = json_object_new_array();
+		json_object_object_add(iface_json, "levels", levels_json);
+		for (level = ISIS_LEVEL1; level <= ISIS_LEVELS; level++) {
+			if ((circuit->is_type & level) == 0)
+				continue;
+			level_json = json_object_new_object();
+			json_object_string_add(level_json, "level",
+					       circuit_t2string(level));
+			if (circuit->area->newmetric)
+				json_object_int_add(level_json, "metric",
+						    circuit->te_metric[0]);
+			else
+				json_object_int_add(level_json, "metric",
+						    circuit->metric[0]);
+			if (!circuit->is_passive) {
+				json_object_int_add(level_json,
+						    "active-neighbors",
+						    circuit->upadjcount[0]);
+				json_object_int_add(level_json,
+						    "hello-interval",
+						    circuit->hello_interval[0]);
+				hold_json = json_object_new_object();
+				json_object_object_add(level_json, "holddown",
+						       hold_json);
+				json_object_int_add(
+					hold_json, "count",
+					circuit->hello_multiplier[0]);
+				json_object_string_add(
+					hold_json, "pad",
+					(circuit->pad_hellos ? "yes" : "no"));
+				json_object_int_add(level_json, "cnsp-interval",
+						    circuit->csnp_interval[0]);
+				json_object_int_add(level_json, "psnp-interval",
+						    circuit->psnp_interval[0]);
+				if (circuit->circ_type == CIRCUIT_T_BROADCAST) {
+					lan_prio_json =
+						json_object_new_object();
+					json_object_object_add(level_json,
+							       "lan",
+							       lan_prio_json);
+					json_object_int_add(
+						lan_prio_json, "priority",
+						circuit->priority[0]);
+					json_object_string_add(
+						lan_prio_json, "is-dis",
+						(circuit->u.bc.is_dr[0]
+							 ? "yes"
+							 : "no"));
+				}
+			}
+			json_object_array_add(levels_json, level_json);
+		}
+
+		if (circuit->ip_addrs && listcount(circuit->ip_addrs) > 0) {
+			ipv4_addr_json = json_object_new_object();
+			json_object_object_add(iface_json, "ip-prefix",
+					       ipv4_addr_json);
+			for (ALL_LIST_ELEMENTS_RO(circuit->ip_addrs, node,
+						  ip_addr)) {
+				snprintfrr(buf_prx, INET6_BUFSIZ, "%pFX",
+					   ip_addr);
+				json_object_string_add(ipv4_addr_json, "ip",
+						       buf_prx);
+			}
+		}
+		if (circuit->ipv6_link && listcount(circuit->ipv6_link) > 0) {
+			ipv6_link_json = json_object_new_object();
+			json_object_object_add(iface_json, "ipv6-link-locals",
+					       ipv6_link_json);
+			for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_link, node,
+						  ip_addr)) {
+				snprintfrr(buf_prx, INET6_BUFSIZ, "%pFX",
+					   ip_addr);
+				json_object_string_add(ipv6_link_json, "ipv6",
+						       buf_prx);
+			}
+		}
+		if (circuit->ipv6_non_link &&
+		    listcount(circuit->ipv6_non_link) > 0) {
+			ipv6_non_link_json = json_object_new_object();
+			json_object_object_add(iface_json, "ipv6-prefixes",
+					       ipv6_non_link_json);
+			for (ALL_LIST_ELEMENTS_RO(circuit->ipv6_non_link, node,
+						  ip_addr)) {
+				snprintfrr(buf_prx, INET6_BUFSIZ, "%pFX",
+					   ip_addr);
+				json_object_string_add(ipv6_non_link_json,
+						       "ipv6", buf_prx);
+			}
+		}
+	}
+	return;
+}
+
 void isis_circuit_print_vty(struct isis_circuit *circuit, struct vty *vty,
 			    char detail)
 {