xref: /freebsd/usr.bin/systat/systat.h (revision 1669d8afc64812c8d2d1d147ae1fd42ff441e1b1)
1 /*-
2  * Copyright (c) 1980, 1989, 1992, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  *	From: @(#)systat.h	8.1 (Berkeley) 6/6/93
34  * $FreeBSD$
35  */
36 
37 #include <curses.h>
38 
39 struct  cmdtab {
40         const char *c_name;		/* command name */
41         void    (*c_refresh)(void);	/* display refresh */
42         void    (*c_fetch)(void);	/* sets up data structures */
43         void    (*c_label)(void);	/* label display */
44 	int	(*c_init)(void);	/* initialize namelist, etc. */
45 	WINDOW	*(*c_open)(void);	/* open display */
46 	void	(*c_close)(WINDOW *);	/* close display */
47 	int	(*c_cmd)(const char *, const char *); /* display command interpreter */
48 	void	(*c_reset)(void);	/* reset ``mode since'' display */
49 	char	c_flags;		/* see below */
50 };
51 
52 /*
53  * If we are started with privileges, use a kmem interface for netstat handling,
54  * otherwise use sysctl.
55  * In case of many open sockets, the sysctl handling might become slow.
56  */
57 extern int use_kvm;
58 
59 #define	CF_INIT		0x1		/* been initialized */
60 #define	CF_LOADAV	0x2		/* display w/ load average */
61 
62 #define	TCP	0x1
63 #define	UDP	0x2
64 
65 #define	MAINWIN_ROW	3		/* top row for the main/lower window */
66 
67 #define GETSYSCTL(name, var) getsysctl(name, &(var), sizeof(var))
68 #define KREAD(addr, buf, len)  kvm_ckread((addr), (buf), (len))
69 #define NVAL(indx)  namelist[(indx)].n_value
70 #define NPTR(indx)  (void *)NVAL((indx))
71 #define NREAD(indx, buf, len) kvm_ckread(NPTR((indx)), (buf), (len))
72