bgpd: Add autocomplete for BMP targets

```
spine1-debian-11(config-router)# bmp targets ?
  BMPTARGETS  Name of the BMP target group
     ok test1
```

Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>

diff --git a/bgpd/bgp_bmp.c b/bgpd/bgp_bmp.c
index 39158f01470b1863dda06c97aad98fdd6b03da1b..48d3706ec500d8b133e20d654a3a9798143c52e6 100644 (file)
--- a/bgpd/bgp_bmp.c
+++ b/bgpd/bgp_bmp.c
@@ -1931,6 +1931,28 @@ static struct cmd_node bmp_node = {
        .prompt = "%s(config-bgp-bmp)# "
 };
 
+static void bmp_targets_autocomplete(vector comps, struct cmd_token *token)
+{
+       struct bgp *bgp;
+       struct bmp_targets *target;
+       struct listnode *node;
+
+       for (ALL_LIST_ELEMENTS_RO(bm->bgp, node, bgp)) {
+               struct bmp_bgp *bmpbgp = bmp_bgp_find(bgp);
+
+               if (!bmpbgp)
+                       continue;
+
+               frr_each_safe (bmp_targets, &bmpbgp->targets, target)
+                       vector_set(comps,
+                                  XSTRDUP(MTYPE_COMPLETION, target->name));
+       }
+}
+
+static const struct cmd_variable_handler bmp_targets_var_handlers[] = {
+       {.tokenname = "BMPTARGETS", .completions = bmp_targets_autocomplete},
+       {.completions = NULL}};
+
 #define BMP_STR "BGP Monitoring Protocol\n"
 
 #ifndef VTYSH_EXTRACT_PL
@@ -2424,6 +2446,9 @@ static int bgp_bmp_init(struct thread_master *tm)
 {
        install_node(&bmp_node);
        install_default(BMP_NODE);
+
+       cmd_variable_handler_register(bmp_targets_var_handlers);
+
        install_element(BGP_NODE, &bmp_targets_cmd);
        install_element(BGP_NODE, &no_bmp_targets_cmd);