xref: /freebsd/usr.bin/systat/systat.h (revision e0c4386e)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1980, 1989, 1992, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #include <sys/stdint.h>
33 #include <curses.h>
34 
35 struct  cmdtab {
36 	const char *c_name;		/* command name */
37 	void	(*c_refresh)(void);	/* display refresh */
38 	void	(*c_fetch)(void);	/* sets up data structures */
39 	void	(*c_label)(void);	/* label display */
40 	int	(*c_init)(void);	/* initialize namelist, etc. */
41 	WINDOW	*(*c_open)(void);	/* open display */
42 	void	(*c_close)(WINDOW *);	/* close display */
43 	int	(*c_cmd)(const char *, const char *); /* display command interpreter */
44 	void	(*c_reset)(void);	/* reset ``mode since'' display */
45 	char	c_flags;		/* see below */
46 };
47 
48 /*
49  * If we are started with privileges, use a kmem interface for netstat handling,
50  * otherwise use sysctl.
51  * In case of many open sockets, the sysctl handling might become slow.
52  */
53 extern int use_kvm;
54 
55 #define	CF_INIT		0x1		/* been initialized */
56 #define	CF_LOADAV	0x2		/* display w/ load average */
57 #define	CF_ZFSARC	0x4		/* display w/ ZFS cache usage */
58 
59 #define	TCP	0x1
60 #define	UDP	0x2
61 
62 #define	MAINWIN_ROW	3		/* top row for the main/lower window */
63 
64 #define GETSYSCTL(name, var) getsysctl(name, &(var), sizeof(var))
65 #define KREAD(addr, buf, len)  kvm_ckread((addr), (buf), (len))
66 #define NVAL(indx)  namelist[(indx)].n_value
67 #define NPTR(indx)  (void *)NVAL((indx))
68 #define NREAD(indx, buf, len) kvm_ckread(NPTR((indx)), (buf), (len))
69 
70 extern void putint(int, int, int, int);
71 extern void putfloat(double, int, int, int, int, int);
72 extern void putlongdouble(long double, int, int, int, int, int);
73 
74 int procinit(void);
75 void procgetinfo(void);
76 void proclabel(int col);
77 void procshow(int col, int hight, uint64_t totalswappages);
78