| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | #ifndef _LNSTAT_H |
| 2 | #define _LNSTAT_H |
| 3 | |
| 4 | #include <limits.h> |
| 5 | |
| 6 | #define LNSTAT_VERSION "0.02 041002" |
| 7 | |
| 8 | #define PROC_NET_STAT "/proc/net/stat" |
| 9 | |
| 10 | #define LNSTAT_MAX_FILES 32 |
| 11 | #define LNSTAT_MAX_FIELDS_PER_LINE 32 |
| 12 | #define LNSTAT_MAX_FIELD_NAME_LEN 32 |
| 13 | |
| 14 | struct lnstat_file; |
| 15 | |
| 16 | struct lnstat_field { |
| 17 | struct lnstat_file *file; |
| 18 | unsigned int num; /* field number in line */ |
| 19 | char name[LNSTAT_MAX_FIELD_NAME_LEN+1]; |
| 20 | unsigned long values[2]; /* two buffers for values */ |
| 21 | unsigned long result; |
| 22 | }; |
| 23 | |
| 24 | struct lnstat_file { |
| 25 | struct lnstat_file *next; |
| 26 | char path[PATH_MAX+1]; |
| 27 | char basename[NAME_MAX+1]; |
| 28 | struct timeval last_read; /* last time of read */ |
| 29 | struct timeval interval; /* interval */ |
| 30 | int compat; /* 1 == backwards compat mode */ |
| 31 | FILE *fp; |
| 32 | unsigned int num_fields; /* number of fields */ |
| 33 | struct lnstat_field fields[LNSTAT_MAX_FIELDS_PER_LINE]; |
| 34 | }; |
| 35 | |
| 36 | |
| 37 | struct lnstat_file *lnstat_scan_dir(const char *path, const int num_req_files, |
| 38 | const char **req_files); |
| 39 | int lnstat_update(struct lnstat_file *lnstat_files); |
| 40 | int lnstat_dump(FILE *outfd, struct lnstat_file *lnstat_files); |
| 41 | struct lnstat_field *lnstat_find_field(struct lnstat_file *lnstat_files, |
| 42 | const char *name); |
| 43 | #endif /* _LNSTAT_H */ |