/usr/include/c_icap/stats.h is in libicapapi-dev 1:0.4.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2004-2008 Christos Tsantilas
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA.
*/
#ifndef __STATS_H
#define __STATS_H
#include "c-icap.h"
#include "ci_threads.h"
#ifdef __cplusplus
extern "C"
{
#endif
typedef struct kbs{
uint64_t kb;
unsigned int bytes;
} kbs_t;
#define MEMBLOCK_SIG 0xFAFA
struct stat_memblock {
unsigned int sig;
int counters64_size;
int counterskbs_size;
uint64_t *counters64;
kbs_t *counterskbs;
};
struct stat_area {
ci_thread_mutex_t mtx;
void (*release_mem)(void *);
struct stat_memblock *mem_block;
};
struct stat_entry {
char *label;
int type;
int gid;
};
struct stat_entry_list {
struct stat_entry *entries;
int size;
int entries_num;
};
struct stat_groups_list {
char **groups;
int size;
int entries_num;
};
CI_DECLARE_DATA extern struct stat_entry_list STAT_INT64;
CI_DECLARE_DATA extern struct stat_entry_list STAT_KBS;
CI_DECLARE_DATA extern struct stat_groups_list STAT_GROUPS;
enum ci_stat_type {STAT_INT64_T, STAT_KBS_T};
CI_DECLARE_DATA extern struct stat_area *STATS;
CI_DECLARE_FUNC(int) ci_stat_memblock_size(void);
CI_DECLARE_FUNC(int) ci_stat_entry_register(char *label, int type, char *group);
CI_DECLARE_FUNC(void) ci_stat_entry_release_lists();
CI_DECLARE_FUNC(void) ci_stat_attach_mem(void *mem_block,
int size,void (*release_mem)(void *));
CI_DECLARE_FUNC(void) ci_stat_release();
CI_DECLARE_FUNC(void) ci_stat_uint64_inc(int ID, int count);
CI_DECLARE_FUNC(void) ci_stat_kbs_inc(int ID, int count);
/*Low level functions */
CI_DECLARE_FUNC(struct stat_area *) ci_stat_area_construct(void *mem_block, int size, void (*release_mem)(void *));
CI_DECLARE_FUNC(void) ci_stat_area_destroy(struct stat_area *area);
CI_DECLARE_FUNC(void) ci_stat_area_reset(struct stat_area *area);
CI_DECLARE_FUNC(void) ci_stat_area_merge(struct stat_area *dest, struct stat_area *src);
/*Stats memblocks low level functions*/
CI_DECLARE_FUNC(void) ci_stat_memblock_merge(struct stat_memblock *dest_block, struct stat_memblock *mem_block);
CI_DECLARE_FUNC(void) ci_stat_memblock_reset(struct stat_memblock *block);
/*DO NOT USE the folllowings are only for internal c-icap server use!*/
CI_DECLARE_FUNC(void) stat_memblock_fix(struct stat_memblock *mem_block);
CI_DECLARE_FUNC(void) stat_memblock_reconstruct(struct stat_memblock *mem_block);
/*Private defines and functions*/
#define STATS_LOCK() ci_thread_mutex_lock(&STATS->mtx)
#define STATS_UNLOCK() ci_thread_mutex_unlock(&STATS->mtx)
#define STATS_INT64_INC(ID, count) (STATS->mem_block->counters64[ID] += count)
#define STATS_KBS_INC(ID, count) (STATS->mem_block->counterskbs[ID].bytes += count, STATS->mem_block->counterskbs[ID].kb += (STATS->mem_block->counterskbs[ID].bytes >> 10), STATS->mem_block->counterskbs[ID].bytes &= 0x3FF)
#ifdef __cplusplus
}
#endif
#endif
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