src/vlib/stats/shared.h

   1 /* SPDX-License-Identifier: Apache-2.0
   2  * Copyright(c) 2022 Cisco Systems, Inc.
   3  */
   4
   5 #ifndef included_stat_segment_shared_h
   6 #define included_stat_segment_shared_h
   7
   8 typedef enum
   9 {
  10   STAT_DIR_TYPE_ILLEGAL = 0,
  11   STAT_DIR_TYPE_SCALAR_INDEX,
  12   STAT_DIR_TYPE_COUNTER_VECTOR_SIMPLE,
  13   STAT_DIR_TYPE_COUNTER_VECTOR_COMBINED,
  14   STAT_DIR_TYPE_NAME_VECTOR,
  15   STAT_DIR_TYPE_EMPTY,
  16   STAT_DIR_TYPE_SYMLINK,
  17 } stat_directory_type_t;
  18
  19 typedef struct
  20 {
  21   stat_directory_type_t type;
  22   union
  23   {
  24     struct
  25     {
  26       uint32_t index1;
  27       uint32_t index2;
  28     };
  29     uint64_t index;
  30     uint64_t value;
  31     void *data;
  32     uint8_t **string_vector;
  33   };
  34 #define VLIB_STATS_MAX_NAME_SZ 128
  35   char name[VLIB_STATS_MAX_NAME_SZ];
  36 } vlib_stats_entry_t;
  37
  38 /*
  39  * Shared header first in the shared memory segment.
  40  */
  41 typedef struct
  42 {
  43   uint64_t version;
  44   void *base;
  45   volatile uint64_t epoch;
  46   volatile uint64_t in_progress;
  47   volatile vlib_stats_entry_t *directory_vector;
  48 } vlib_stats_shared_header_t;
  49
  50 #endif /* included_stat_segment_shared_h */