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/* $Id: data.h,v 1.4 2000/01/01 21:26:37 rsmith Exp $
* --------------------------------------------------------------------
* This file is part of xnetload, a program to monitor network traffic,
* and display it in an X window.
*
* Copyright (C) 1997, 1999 R.F. Smith <rsmith@xs4all.nl>
*
* You can contact the author at the following address:
* email: rsmith@xs4all.nl
* snail-mail: R.F. Smith
* Dr. Hermansweg 36
* 5624 HR Eindhoven
* The Netherlands
*
* 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.
*
* --------------------------------------------------------------------
* $Log: data.h,v $
* Revision 1.4 2000/01/01 21:26:37 rsmith
* Release 1.7.1b3
*
* Revision 1.3 1999/12/27 22:16:45 rsmith
* Fixed bugs for release 1.7.0b1
*
* Revision 1.2 1999/12/27 18:54:22 rsmith
* Remove references to `where' (for 1.7.0 release).
*
* Revision 1.1 1999/05/09 16:38:31 rsmith
* Put back into RCS.
*
* Revision 1.3 1998/06/21 09:55:05 rsmith
* - Added Tony's patch for IP-acounting rules.
*
* Revision 1.2 1998/06/14 12:24:10 rsmith
* Changed e-mail address.
*
* Revision 1.1 1998/04/10 19:53:11 rsmit06
* Initial revision
*
*
*/
#ifndef _DATA_H
#define _DATA_H
/********** Type definitionss **********/
/* contains number of outgoing/incoming packets or bytes */
typedef struct {
float in; /* incoming packets/bytes */
float out; /* outgoing packets/bytes */
} count_t;
/********** Global variables **********/
extern count_t average; /* average count */
extern count_t max; /* maximum count */
/* Values for `type' */
#define BYTES_TYPE 0
#define PACKETS_TYPE 1
extern int type; /* What kind of data is gathered */
/********** Functions **********/
/* Report a fatal error and exit. */
extern void report_error(char *msg);
/* Initialize the data gathering process. Sets the variables `type' and
`where', for future reference. Returns `type' */
extern int initialize(char *iface, int num_avg/* , int kb */);
extern int cleanup(void);
/* Read the new counts and update the `average' and `max'. */
extern void update_avg(int seconds);
#endif /* _DATA_H */
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