+clib_error_t *
+stat_segment_register_gauge (u8 * name, stat_segment_update_fn update_fn,
+ u32 caller_index)
+{
+ stat_segment_main_t *sm = &stat_segment_main;
+ stat_segment_shared_header_t *shared_header = sm->shared_header;
+ void *oldheap;
+ stat_segment_directory_entry_t e;
+ stat_segment_gauges_pool_t *gauge;
+
+ ASSERT (shared_header);
+
+ u32 vector_index = lookup_hash_index (name);
+
+ if (vector_index != STAT_SEGMENT_INDEX_INVALID) /* Already registered */
+ return clib_error_return (0, "%v is already registered", name);
+
+ memset (&e, 0, sizeof (e));
+ e.type = STAT_DIR_TYPE_SCALAR_INDEX;
+ memcpy (e.name, name, vec_len (name));
+
+ oldheap = vlib_stats_push_heap (NULL);
+ vlib_stat_segment_lock ();
+ vector_index = vlib_stats_create_counter (&e, oldheap);
+
+ shared_header->directory_offset =
+ stat_segment_offset (shared_header, sm->directory_vector);
+
+ vlib_stat_segment_unlock ();
+ clib_mem_set_heap (oldheap);
+
+ /* Back on our own heap */
+ pool_get (sm->gauges, gauge);
+ gauge->fn = update_fn;
+ gauge->caller_index = caller_index;
+ gauge->directory_index = vector_index;
+
+ return NULL;
+}
+
+clib_error_t *
+stat_segment_register_state_counter (u8 * name, u32 * index)
+{
+ stat_segment_main_t *sm = &stat_segment_main;
+ stat_segment_shared_header_t *shared_header = sm->shared_header;
+ void *oldheap;
+ stat_segment_directory_entry_t e;
+
+ ASSERT (shared_header);
+ ASSERT (vlib_get_thread_index () == 0);
+
+ u32 vector_index = lookup_hash_index (name);
+
+ if (vector_index != STAT_SEGMENT_INDEX_INVALID) /* Already registered */
+ return clib_error_return (0, "%v is already registered", name);
+
+ memset (&e, 0, sizeof (e));
+ e.type = STAT_DIR_TYPE_SCALAR_INDEX;
+ memcpy (e.name, name, vec_len (name));
+
+ oldheap = vlib_stats_push_heap (NULL);
+ vlib_stat_segment_lock ();
+
+ vector_index = vlib_stats_create_counter (&e, oldheap);
+
+ shared_header->directory_offset =
+ stat_segment_offset (shared_header, sm->directory_vector);
+
+ vlib_stat_segment_unlock ();
+ clib_mem_set_heap (oldheap);
+
+ *index = vector_index;