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_ERROR_INDEX,
  15   STAT_DIR_TYPE_NAME_VECTOR,
  16   STAT_DIR_TYPE_EMPTY,
  17   STAT_DIR_TYPE_SYMLINK,
  18 } stat_directory_type_t;
  19
  20 typedef struct
  21 {
  22   stat_directory_type_t type;
  23   union
  24   {
  25     struct
  26     {
  27       uint32_t index1;
  28       uint32_t index2;
  29     };
  30     uint64_t index;
  31     uint64_t value;
  32     void *data;
  33     uint8_t **string_vector;
  34   };
  35 #define VLIB_STATS_MAX_NAME_SZ 128
  36   char name[VLIB_STATS_MAX_NAME_SZ];
  37 } vlib_stats_entry_t;
  38
  39 /*
  40  * Shared header first in the shared memory segment.
  41  */
  42 typedef struct
  43 {
  44   uint64_t version;
  45   void *base;
  46   volatile uint64_t epoch;
  47   volatile uint64_t in_progress;
  48   volatile vlib_stats_entry_t *directory_vector;
  49   volatile uint64_t **error_vector;
  50 } vlib_stats_shared_header_t;
  51
  52 #endif /* included_stat_segment_shared_h */