+int
+handle_get_interface_list (u8 * request, http_session_t * hs)
+{
+ u8 *s = 0;
+ int i;
+ vnet_main_t *vnm = vnet_get_main ();
+ vnet_interface_main_t *im = &vnm->interface_main;
+ vnet_hw_interface_t *hi;
+ u32 *hw_if_indices = 0;
+ int need_comma = 0;
+
+ /* Construct vector of active hw_if_indexes ... */
+ /* *INDENT-OFF* */
+ pool_foreach (hi, im->hw_interfaces,
+ ({
+ /* No point in mentioning "local0"... */
+ if (hi - im->hw_interfaces)
+ vec_add1 (hw_if_indices, hi - im->hw_interfaces);
+ }));
+ /* *INDENT-ON* */
+
+ /* Build answer */
+ s = format (s, "{\"interface_list\": [\n");
+ for (i = 0; i < vec_len (hw_if_indices); i++)
+ {
+ if (need_comma)
+ s = format (s, ",\n");
+ hi = pool_elt_at_index (im->hw_interfaces, hw_if_indices[i]);
+ s = format (s, "\"%v\"", hi->name);
+ need_comma = 1;
+ }
+ s = format (s, "]}\n");
+ vec_free (hw_if_indices);
+
+ hs->data = s;
+ hs->data_offset = 0;
+ hs->cache_pool_index = ~0;
+ hs->free_data = 1;
+ return 0;
+}
+