lib: use qobj for vty->index context position

Prepares the library CLI functions for concurrent config access.  Note
the vty->index pointer is still kept functional for the daemons to use.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>

1 files changed, 4 insertions, 8 deletions

diff --git a/lib/if.c b/lib/if.c
index 2add03d67c..6ae8500291 100644
--- a/lib/if.c
+++ b/lib/if.c
@@ -683,12 +683,11 @@ DEFUN (interface_desc,
        "Interface specific description\n"
        "Characters describing this interface\n")
 {
-  struct interface *ifp;
+  VTY_DECLVAR_CONTEXT (interface, ifp);
 
   if (argc == 0)
     return CMD_SUCCESS;
 
-  ifp = vty->index;
   if (ifp->desc)
     XFREE (MTYPE_TMP, ifp->desc);
   ifp->desc = argv_concat(argv, argc, 0);
@@ -702,9 +701,8 @@ DEFUN (no_interface_desc,
        NO_STR
        "Interface specific description\n")
 {
-  struct interface *ifp;
+  VTY_DECLVAR_CONTEXT (interface, ifp);
 
-  ifp = vty->index;
   if (ifp->desc)
     XFREE (MTYPE_TMP, ifp->desc);
   ifp->desc = NULL;
@@ -788,8 +786,7 @@ DEFUN (interface,
       vty_out (vty, "%% interface %s not in %s%s", argv[0], argv[1], VTY_NEWLINE);
       return CMD_WARNING;
     }
-  vty->index = ifp;
-  vty->node = INTERFACE_NODE;
+  VTY_PUSH_CONTEXT_COMPAT (INTERFACE_NODE, ifp);
 
   return CMD_SUCCESS;
 }
@@ -862,8 +859,7 @@ DEFUN (vrf,
 
   vrfp = vrf_get (VRF_UNKNOWN, argv[0]);
 
-  vty->index = vrfp;
-  vty->node = VRF_NODE;
+  VTY_PUSH_CONTEXT_COMPAT (VRF_NODE, vrfp);
 
   return CMD_SUCCESS;
 }