ospf6d: add 'show ipv6 ospf6 vrfs' command

this command summarises the ospf6 instances along with the router-id and
the vrf_id associated.

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>

diff --git a/ospf6d/ospf6_top.c b/ospf6d/ospf6_top.c
index e2cd5c259de9cf04305a9fa3aa8796a9ee3fa4ef..d11931257c490c0553fc2048b0f9856c82c3b03c 100644 (file)
--- a/ospf6d/ospf6_top.c
+++ b/ospf6d/ospf6_top.c
@@ -1120,6 +1120,80 @@ static void ospf6_show(struct vty *vty, struct ospf6 *o, json_object *json,
        }
 }
 
+DEFUN(show_ipv6_ospf6_vrfs, show_ipv6_ospf6_vrfs_cmd,
+      "show ipv6 ospf6 vrfs [json]",
+      SHOW_STR IP6_STR OSPF6_STR "Show OSPF6 VRFs \n" JSON_STR)
+{
+       bool uj = use_json(argc, argv);
+       json_object *json = NULL;
+       json_object *json_vrfs = NULL;
+       struct ospf6 *ospf6 = NULL;
+       struct listnode *node = NULL;
+       int count = 0;
+       char buf[PREFIX_STRLEN];
+       static const char header[] =
+               "Name                       Id     RouterId  ";
+
+       if (uj) {
+               json = json_object_new_object();
+               json_vrfs = json_object_new_object();
+       }
+
+       for (ALL_LIST_ELEMENTS_RO(om6->ospf6, node, ospf6)) {
+               json_object *json_vrf = NULL;
+               const char *name = NULL;
+               int64_t vrf_id_ui = 0;
+               struct in_addr router_id;
+
+               router_id.s_addr = ospf6->router_id;
+               count++;
+
+               if (!uj && count == 1)
+                       vty_out(vty, "%s\n", header);
+               if (uj)
+                       json_vrf = json_object_new_object();
+
+               if (ospf6->vrf_id == VRF_DEFAULT)
+                       name = VRF_DEFAULT_NAME;
+               else
+                       name = ospf6->name;
+
+               vrf_id_ui = (ospf6->vrf_id == VRF_UNKNOWN)
+                                   ? -1
+                                   : (int64_t)ospf6->vrf_id;
+
+               if (uj) {
+                       json_object_int_add(json_vrf, "vrfId", vrf_id_ui);
+                       json_object_string_add(json_vrf, "routerId",
+                                              inet_ntop(AF_INET, &router_id,
+                                                        buf, sizeof(buf)));
+                       json_object_object_add(json_vrfs, name, json_vrf);
+
+               } else {
+                       vty_out(vty, "%-25s  %-5d  %-16s  \n", name,
+                               ospf6->vrf_id,
+                               inet_ntop(AF_INET, &router_id, buf,
+                                         sizeof(buf)));
+               }
+       }
+
+       if (uj) {
+               json_object_object_add(json, "vrfs", json_vrfs);
+               json_object_int_add(json, "totalVrfs", count);
+
+               vty_out(vty, "%s\n",
+                       json_object_to_json_string_ext(
+                               json, JSON_C_TO_STRING_PRETTY));
+               json_object_free(json);
+       } else {
+               if (count)
+                       vty_out(vty, "\nTotal number of OSPF VRFs: %d\n",
+                               count);
+       }
+
+       return CMD_SUCCESS;
+}
+
 /* show top level structures */
 DEFUN(show_ipv6_ospf6,
       show_ipv6_ospf6_cmd,
@@ -1360,6 +1434,7 @@ void ospf6_top_init(void)
        install_node(&ospf6_node);
 
        install_element(VIEW_NODE, &show_ipv6_ospf6_cmd);
+       install_element(VIEW_NODE, &show_ipv6_ospf6_vrfs_cmd);
        install_element(CONFIG_NODE, &router_ospf6_cmd);
        install_element(CONFIG_NODE, &no_router_ospf6_cmd);