1 #ifndef _LNSTAT_H 2 #define _LNSTAT_H 3 4 #include <limits.h> 5 #include <sys/select.h> 6 7 #define LNSTAT_VERSION "0.02 041002" 8 9 #define PROC_NET_STAT "/proc/net/stat" 10 11 #define LNSTAT_MAX_FILES 32 12 #define LNSTAT_MAX_FIELDS_PER_LINE 32 13 #define LNSTAT_MAX_FIELD_NAME_LEN 32 14 15 struct lnstat_file; 16 17 struct lnstat_field { 18 struct lnstat_file *file; 19 unsigned int num; /* field number in line */ 20 char name[LNSTAT_MAX_FIELD_NAME_LEN+1]; 21 unsigned long values[2]; /* two buffers for values */ 22 unsigned long result; 23 }; 24 25 struct lnstat_file { 26 struct lnstat_file *next; 27 char path[PATH_MAX+1]; 28 char basename[NAME_MAX+1]; 29 struct timeval last_read; /* last time of read */ 30 struct timeval interval; /* interval */ 31 int compat; /* 1 == backwards compat mode */ 32 FILE *fp; 33 unsigned int num_fields; /* number of fields */ 34 struct lnstat_field fields[LNSTAT_MAX_FIELDS_PER_LINE]; 35 }; 36 37 38 struct lnstat_file *lnstat_scan_dir(const char *path, const int num_req_files, 39 const char **req_files); 40 int lnstat_update(struct lnstat_file *lnstat_files); 41 int lnstat_dump(FILE *outfd, struct lnstat_file *lnstat_files); 42 struct lnstat_field *lnstat_find_field(struct lnstat_file *lnstat_files, 43 const char *name); 44 #endif /* _LNSTAT_H */ 45
