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vrrpd: add 'show vrrp summary' command

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Shows a brief summary table of all VRRP routers

Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
This commit is contained in:
Quentin Young 2019-05-02 15:53:58 +00:00
parent a881aecde7
commit 30a1595df8
1 changed files with 69 additions and 0 deletions
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69
vrrpd/vrrp_vty.c
View File

@ -572,6 +572,23 @@ static void vrrp_show(struct vty *vty, struct vrrp_vrouter *vr)
ttable_del(tt);
}
/*
* Sort comparator, used when sorting VRRP instances for display purposes.
*
* Sorts by interface name first, then by VRID ascending.
*/
static int vrrp_instance_display_sort_cmp(const void **d1, const void **d2)
{
const struct vrrp_vrouter *vr1 = *d1;
const struct vrrp_vrouter *vr2 = *d2;
int result;
result = strcmp(vr1->ifp->name, vr2->ifp->name);
result += !result * (vr1->vrid - vr2->vrid);
return result;
}
/* clang-format off */
DEFPY(vrrp_vrid_show,
@ -589,6 +606,8 @@ DEFPY(vrrp_vrid_show,
struct list *ll = hash_to_list(vrrp_vrouters_hash);
struct json_object *j = json_object_new_array();
list_sort(ll, vrrp_instance_display_sort_cmp);
for (ALL_LIST_ELEMENTS_RO(ll, ln, vr)) {
if (ifn && !strmatch(ifn, vr->ifp->name))
continue;
@ -613,6 +632,55 @@ DEFPY(vrrp_vrid_show,
return CMD_SUCCESS;
}
DEFPY(vrrp_vrid_show_summary,
vrrp_vrid_show_summary_cmd,
"show vrrp [interface INTERFACE$ifn] [(1-255)$vrid] summary",
SHOW_STR
VRRP_STR
INTERFACE_STR
"Only show VRRP instances on this interface\n"
VRRP_VRID_STR
"Summarize all VRRP instances\n")
{
struct vrrp_vrouter *vr;
struct listnode *ln;
struct list *ll = hash_to_list(vrrp_vrouters_hash);
list_sort(ll, vrrp_instance_display_sort_cmp);
struct ttable *tt = ttable_new(&ttable_styles[TTSTYLE_BLANK]);
ttable_add_row(
tt, "Interface|VRID|Priority|IPv4|IPv6|State (v4)|State (v6)");
ttable_rowseps(tt, 0, BOTTOM, true, '-');
for (ALL_LIST_ELEMENTS_RO(ll, ln, vr)) {
if (ifn && !strmatch(ifn, vr->ifp->name))
continue;
if (vrid && ((uint8_t)vrid) != vr->vrid)
continue;
ttable_add_row(
tt, "%s|%" PRIu8 "|%" PRIu8 "|%d|%d|%s|%s",
vr->ifp->name, vr->vrid, vr->priority,
vr->v4->addrs->count, vr->v6->addrs->count,
vr->v4->fsm.state == VRRP_STATE_MASTER ? "Master"
: "Backup",
vr->v6->fsm.state == VRRP_STATE_MASTER ? "Master"
: "Backup");
}
char *table = ttable_dump(tt, "\n");
vty_out(vty, "\n%s\n", table);
XFREE(MTYPE_TMP, table);
ttable_del(tt);
list_delete(&ll);
return CMD_SUCCESS;
}
DEFPY(debug_vrrp,
debug_vrrp_cmd,
@ -667,6 +735,7 @@ void vrrp_vty_init(void)
if_cmd_init();
install_element(VIEW_NODE, &vrrp_vrid_show_cmd);
install_element(VIEW_NODE, &vrrp_vrid_show_summary_cmd);
install_element(VIEW_NODE, &show_debugging_vrrp_cmd);
install_element(VIEW_NODE, &debug_vrrp_cmd);
install_element(CONFIG_NODE, &debug_vrrp_cmd);