/* * ifstat - InterFace STATistics * Copyright (c) 2001, Ga雔 Roualland <gael.roualland@dial.oleane.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 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 General Public License for more details. *  * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * $Id: ifstat.h,v 1.21 2003/04/21 19:58:42 gael Exp $ */#ifndef IFSTAT_H#define IFSTAT_H#define IFSTAT_API      1/* interface flags */#define IFSTAT_LOOPBACK 1#define IFSTAT_DOWN     2#define IFSTAT_HASSTATS 4#define IFSTAT_HASINDEX 8#define IFSTAT_TOTAL  128/* interface list */struct ifstat_data {  char *name;  int namelen;  unsigned long obout, obin, bout, bin;  int flags, index;  struct ifstat_data *next;};struct ifstat_list {  struct ifstat_data *first;  int flags;};/* driver data */struct ifstat_driver {  char *name;  /* driver initialisation, returns 1 if successfull */  int (*open_driver) (struct ifstat_driver *driver,		      char *options);  /* scans list of known interfaces by the driver */  int (*scan_interfaces) (struct ifstat_driver *driver,			  struct ifstat_list *ifs);  /* gathers stats and updates interface lists */  int (*get_stats) (struct ifstat_driver *driver,		    struct ifstat_list *ifs);  /* frees/closes driver data */  void (*close_driver) (struct ifstat_driver *driver);  /* private driver data */  void *data;};/* interface managing calls */void ifstat_add_interface(struct ifstat_list *ifs, char *ifname, int flags);void ifstat_free_interface(struct ifstat_data *data);void ifstat_set_interface_stats(struct ifstat_data *data,				unsigned long bytesin,				unsigned long bytesout);void ifstat_set_interface_index(struct ifstat_data *data,				int index);#define ifstat_get_interface_index(data) ((data)->index)#define ifstat_get_interface_name(data) ((data)->name)struct ifstat_data *ifstat_get_interface(struct ifstat_list *ifs,					 char *ifname);void ifstat_reset_interfaces(struct ifstat_list *ifs);/* redefine those to override defaults if needed */extern char *ifstat_progname;extern void (*ifstat_error) (char *format, ...);extern int ifstat_quiet;/* version string */extern const char *ifstat_version;/* perror reporting --internal */void ifstat_perror(char *);/* searches for specified driver (NULL = default). Returns 1 if found */int ifstat_get_driver(char *name, struct ifstat_driver *driver);/* get driver list */char *ifstat_list_drivers();#endif