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/* $Id: ttt_window.h,v 0.2 2000/12/20 14:29:45 kjc Exp kjc $ */
/*
* Copyright (c) 1996-2000
* Sony Computer Science Laboratories, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms of parts of or the
* whole original or derived work are permitted provided that the above
* copyright notice is retained and the original work is properly
* attributed to the author. The name of the author may not be used to
* endorse or promote products derived from this software without
* specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
/* ttt_window.h -- a module header to keep ranking by peak size within
a time-window. */
#ifndef _TTT_WINDOW_H_
#define _TTT_WINDOW_H_
#define WG_WIN_SIZE 60
/* structure to keep track of the peak traffic in a time window */
struct w_ent {
struct w_ent *w_next, *w_prev;
int w_time; /* time stamp */
int w_size; /* size in bytes */
};
/* structure to hold ranking info in a time window */
struct wg_entry {
struct wg_entry *wg_next, *wg_prev;
long wg_type;
#ifdef IPV6
long wg_id[4];
#else
long wg_id[1];
#endif
struct w_ent wg_list;
char *wg_name; /* name string (e.g. host name) */
char *wg_color; /* color name */
int wg_colorindex; /* color index used for color allocation */
int *wg_ringbuf; /* ring data buffer to keep traffic size
in the time-window. */
};
void stat_record(long type, int n);
int stat_ranking(long type, struct wg_entry **rank_list, int n);
int stat_update(struct wg_entry **ranking, struct wg_entry **old_ranking,
int *update_list, int n);
int stat_set_colors(char *string);
void wg_init(void);
void wg_cleanup(void);
struct wg_entry *wg_lookup(long type, long *id);
struct wg_entry *wg_getbiggest(long type);
struct wg_entry *wg_getnext(struct wg_entry *wgp);
void wg_record(struct wg_entry *wgp, int size);
int wg_getmaxsize(struct wg_entry *wgp);
int wg_gettime(void);
void wg_bumptime(void);
int wg_copybuf(struct wg_entry *wgp, double *vec, double interval, int n);
#endif /* _TTT_WINDOW_H_ */
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