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 */ 44