1/*-
2 * Copyright (c) 1980, 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
34#ifndef lint
35static char copyright[] =
36"@(#) Copyright (c) 1980, 1992, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
38#endif /* not lint */
39
40#ifndef lint
41#if 0
42static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/6/93";
43#endif
44static const char rcsid[] =
| 1/*-
2 * Copyright (c) 1980, 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
34#ifndef lint
35static char copyright[] =
36"@(#) Copyright (c) 1980, 1992, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
38#endif /* not lint */
39
40#ifndef lint
41#if 0
42static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/6/93";
43#endif
44static const char rcsid[] =
|
45 "$Id: main.c,v 1.7 1997/08/26 10:59:26 charnier Exp $";
| 45 "$Id: main.c,v 1.8 1998/06/09 04:17:19 imp Exp $";
|
46#endif /* not lint */
47
48#include <sys/param.h>
49
50#include <err.h>
51#include <locale.h>
52#include <nlist.h>
53#include <signal.h>
54#include <stdio.h>
55#include "systat.h"
56#include "extern.h"
57
58static struct nlist namelist[] = {
59#define X_FIRST 0
60#define X_HZ 0
61 { "_hz" },
62#define X_STATHZ 1
63 { "_stathz" },
64 { "" }
65};
66static int dellave;
67
68kvm_t *kd;
69sig_t sigtstpdfl;
70double avenrun[3];
71int col;
72int naptime = 5;
73int verbose = 1; /* to report kvm read errs */
74int hz, stathz;
75double hertz;
76char c;
77char *namp;
78char hostname[MAXHOSTNAMELEN];
79WINDOW *wnd;
80int CMDLINE;
81
82static WINDOW *wload; /* one line window for load average */
83
84int
85main(argc, argv)
86 int argc;
87 char **argv;
88{
89 char errbuf[80];
90
91 (void) setlocale(LC_TIME, "");
92
93 argc--, argv++;
94 while (argc > 0) {
95 if (argv[0][0] == '-') {
96 struct cmdtab *p;
97
98 p = lookup(&argv[0][1]);
99 if (p == (struct cmdtab *)-1)
100 errx(1, "%s: ambiguous request", &argv[0][1]);
101 if (p == (struct cmdtab *)0)
102 errx(1, "%s: unknown request", &argv[0][1]);
103 curcmd = p;
104 } else {
105 naptime = atoi(argv[0]);
106 if (naptime <= 0)
107 naptime = 5;
108 }
109 argc--, argv++;
110 }
111 kd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, errbuf);
112 if (kd == NULL) {
113 error("%s", errbuf);
114 exit(1);
115 }
116 signal(SIGINT, die);
117 signal(SIGQUIT, die);
118 signal(SIGTERM, die);
119
120 /*
121 * Initialize display. Load average appears in a one line
122 * window of its own. Current command's display appears in
123 * an overlapping sub-window of stdscr configured by the display
124 * routines to minimize update work by curses.
125 */
126 initscr();
127 CMDLINE = LINES - 1;
128 wnd = (*curcmd->c_open)();
129 if (wnd == NULL) {
130 warnx("couldn't initialize display");
131 die(0);
132 }
133 wload = newwin(1, 0, 3, 20);
134 if (wload == NULL) {
135 warnx("couldn't set up load average window");
136 die(0);
137 }
138 if (kvm_nlist(kd, namelist)) {
139 nlisterr(namelist);
140 exit(1);
141 }
142 if (namelist[X_FIRST].n_type == 0)
143 errx(1, "couldn't read namelist");
144 gethostname(hostname, sizeof (hostname));
| 46#endif /* not lint */
47
48#include <sys/param.h>
49
50#include <err.h>
51#include <locale.h>
52#include <nlist.h>
53#include <signal.h>
54#include <stdio.h>
55#include "systat.h"
56#include "extern.h"
57
58static struct nlist namelist[] = {
59#define X_FIRST 0
60#define X_HZ 0
61 { "_hz" },
62#define X_STATHZ 1
63 { "_stathz" },
64 { "" }
65};
66static int dellave;
67
68kvm_t *kd;
69sig_t sigtstpdfl;
70double avenrun[3];
71int col;
72int naptime = 5;
73int verbose = 1; /* to report kvm read errs */
74int hz, stathz;
75double hertz;
76char c;
77char *namp;
78char hostname[MAXHOSTNAMELEN];
79WINDOW *wnd;
80int CMDLINE;
81
82static WINDOW *wload; /* one line window for load average */
83
84int
85main(argc, argv)
86 int argc;
87 char **argv;
88{
89 char errbuf[80];
90
91 (void) setlocale(LC_TIME, "");
92
93 argc--, argv++;
94 while (argc > 0) {
95 if (argv[0][0] == '-') {
96 struct cmdtab *p;
97
98 p = lookup(&argv[0][1]);
99 if (p == (struct cmdtab *)-1)
100 errx(1, "%s: ambiguous request", &argv[0][1]);
101 if (p == (struct cmdtab *)0)
102 errx(1, "%s: unknown request", &argv[0][1]);
103 curcmd = p;
104 } else {
105 naptime = atoi(argv[0]);
106 if (naptime <= 0)
107 naptime = 5;
108 }
109 argc--, argv++;
110 }
111 kd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, errbuf);
112 if (kd == NULL) {
113 error("%s", errbuf);
114 exit(1);
115 }
116 signal(SIGINT, die);
117 signal(SIGQUIT, die);
118 signal(SIGTERM, die);
119
120 /*
121 * Initialize display. Load average appears in a one line
122 * window of its own. Current command's display appears in
123 * an overlapping sub-window of stdscr configured by the display
124 * routines to minimize update work by curses.
125 */
126 initscr();
127 CMDLINE = LINES - 1;
128 wnd = (*curcmd->c_open)();
129 if (wnd == NULL) {
130 warnx("couldn't initialize display");
131 die(0);
132 }
133 wload = newwin(1, 0, 3, 20);
134 if (wload == NULL) {
135 warnx("couldn't set up load average window");
136 die(0);
137 }
138 if (kvm_nlist(kd, namelist)) {
139 nlisterr(namelist);
140 exit(1);
141 }
142 if (namelist[X_FIRST].n_type == 0)
143 errx(1, "couldn't read namelist");
144 gethostname(hostname, sizeof (hostname));
|
145 NREAD(X_HZ, &hz, LONG);
146 NREAD(X_STATHZ, &stathz, LONG);
| 145 NREAD(X_HZ, &hz, sizeof(hz));
146 NREAD(X_STATHZ, &stathz, sizeof(stathz));
|
147 hertz = stathz ? stathz : hz;
148 (*curcmd->c_init)();
149 curcmd->c_flags |= CF_INIT;
150 labels();
151
152 dellave = 0.0;
153
154 signal(SIGALRM, display);
155 display(0);
156 noecho();
157 crmode();
158 keyboard();
159 /*NOTREACHED*/
160}
161
162void
163labels()
164{
165 if (curcmd->c_flags & CF_LOADAV) {
166 mvaddstr(2, 20,
167 "/0 /1 /2 /3 /4 /5 /6 /7 /8 /9 /10");
168 mvaddstr(3, 5, "Load Average");
169 }
170 (*curcmd->c_label)();
171#ifdef notdef
172 mvprintw(21, 25, "CPU usage on %s", hostname);
173#endif
174 refresh();
175}
176
177void
178display(signo)
179 int signo;
180{
181 register int i, j;
182
183 /* Get the load average over the last minute. */
184 (void) getloadavg(avenrun, sizeof(avenrun) / sizeof(avenrun[0]));
185 (*curcmd->c_fetch)();
186 if (curcmd->c_flags & CF_LOADAV) {
187 j = 5.0*avenrun[0] + 0.5;
188 dellave -= avenrun[0];
189 if (dellave >= 0.0)
190 c = '<';
191 else {
192 c = '>';
193 dellave = -dellave;
194 }
195 if (dellave < 0.1)
196 c = '|';
197 dellave = avenrun[0];
198 wmove(wload, 0, 0); wclrtoeol(wload);
199 for (i = (j > 50) ? 50 : j; i > 0; i--)
200 waddch(wload, c);
201 if (j > 50)
202 wprintw(wload, " %4.1f", avenrun[0]);
203 }
204 (*curcmd->c_refresh)();
205 if (curcmd->c_flags & CF_LOADAV)
206 wrefresh(wload);
207 wrefresh(wnd);
208 move(CMDLINE, col);
209 refresh();
210 alarm(naptime);
211}
212
213void
214load()
215{
216
217 (void) getloadavg(avenrun, sizeof(avenrun)/sizeof(avenrun[0]));
218 mvprintw(CMDLINE, 0, "%4.1f %4.1f %4.1f",
219 avenrun[0], avenrun[1], avenrun[2]);
220 clrtoeol();
221}
222
223void
224die(signo)
225 int signo;
226{
227 move(CMDLINE, 0);
228 clrtoeol();
229 refresh();
230 endwin();
231 exit(0);
232}
233
234#if __STDC__
235#include <stdarg.h>
236#else
237#include <varargs.h>
238#endif
239
240#if __STDC__
241void
242error(const char *fmt, ...)
243#else
244void
245error(fmt, va_alist)
246 char *fmt;
247 va_dcl
248#endif
249{
250 va_list ap;
251 char buf[255];
252 int oy, ox;
253#if __STDC__
254 va_start(ap, fmt);
255#else
256 va_start(ap);
257#endif
258
259 if (wnd) {
260 getyx(stdscr, oy, ox);
261 (void) vsnprintf(buf, sizeof(buf), fmt, ap);
262 clrtoeol();
263 standout();
264 mvaddstr(CMDLINE, 0, buf);
265 standend();
266 move(oy, ox);
267 refresh();
268 } else {
269 (void) vfprintf(stderr, fmt, ap);
270 fprintf(stderr, "\n");
271 }
272 va_end(ap);
273}
274
275void
276nlisterr(namelist)
277 struct nlist namelist[];
278{
279 int i, n;
280
281 n = 0;
282 clear();
283 mvprintw(2, 10, "systat: nlist: can't find following symbols:");
284 for (i = 0;
285 namelist[i].n_name != NULL && *namelist[i].n_name != '\0'; i++)
286 if (namelist[i].n_value == 0)
287 mvprintw(2 + ++n, 10, "%s", namelist[i].n_name);
288 move(CMDLINE, 0);
289 clrtoeol();
290 refresh();
291 endwin();
292 exit(1);
293}
| 147 hertz = stathz ? stathz : hz;
148 (*curcmd->c_init)();
149 curcmd->c_flags |= CF_INIT;
150 labels();
151
152 dellave = 0.0;
153
154 signal(SIGALRM, display);
155 display(0);
156 noecho();
157 crmode();
158 keyboard();
159 /*NOTREACHED*/
160}
161
162void
163labels()
164{
165 if (curcmd->c_flags & CF_LOADAV) {
166 mvaddstr(2, 20,
167 "/0 /1 /2 /3 /4 /5 /6 /7 /8 /9 /10");
168 mvaddstr(3, 5, "Load Average");
169 }
170 (*curcmd->c_label)();
171#ifdef notdef
172 mvprintw(21, 25, "CPU usage on %s", hostname);
173#endif
174 refresh();
175}
176
177void
178display(signo)
179 int signo;
180{
181 register int i, j;
182
183 /* Get the load average over the last minute. */
184 (void) getloadavg(avenrun, sizeof(avenrun) / sizeof(avenrun[0]));
185 (*curcmd->c_fetch)();
186 if (curcmd->c_flags & CF_LOADAV) {
187 j = 5.0*avenrun[0] + 0.5;
188 dellave -= avenrun[0];
189 if (dellave >= 0.0)
190 c = '<';
191 else {
192 c = '>';
193 dellave = -dellave;
194 }
195 if (dellave < 0.1)
196 c = '|';
197 dellave = avenrun[0];
198 wmove(wload, 0, 0); wclrtoeol(wload);
199 for (i = (j > 50) ? 50 : j; i > 0; i--)
200 waddch(wload, c);
201 if (j > 50)
202 wprintw(wload, " %4.1f", avenrun[0]);
203 }
204 (*curcmd->c_refresh)();
205 if (curcmd->c_flags & CF_LOADAV)
206 wrefresh(wload);
207 wrefresh(wnd);
208 move(CMDLINE, col);
209 refresh();
210 alarm(naptime);
211}
212
213void
214load()
215{
216
217 (void) getloadavg(avenrun, sizeof(avenrun)/sizeof(avenrun[0]));
218 mvprintw(CMDLINE, 0, "%4.1f %4.1f %4.1f",
219 avenrun[0], avenrun[1], avenrun[2]);
220 clrtoeol();
221}
222
223void
224die(signo)
225 int signo;
226{
227 move(CMDLINE, 0);
228 clrtoeol();
229 refresh();
230 endwin();
231 exit(0);
232}
233
234#if __STDC__
235#include <stdarg.h>
236#else
237#include <varargs.h>
238#endif
239
240#if __STDC__
241void
242error(const char *fmt, ...)
243#else
244void
245error(fmt, va_alist)
246 char *fmt;
247 va_dcl
248#endif
249{
250 va_list ap;
251 char buf[255];
252 int oy, ox;
253#if __STDC__
254 va_start(ap, fmt);
255#else
256 va_start(ap);
257#endif
258
259 if (wnd) {
260 getyx(stdscr, oy, ox);
261 (void) vsnprintf(buf, sizeof(buf), fmt, ap);
262 clrtoeol();
263 standout();
264 mvaddstr(CMDLINE, 0, buf);
265 standend();
266 move(oy, ox);
267 refresh();
268 } else {
269 (void) vfprintf(stderr, fmt, ap);
270 fprintf(stderr, "\n");
271 }
272 va_end(ap);
273}
274
275void
276nlisterr(namelist)
277 struct nlist namelist[];
278{
279 int i, n;
280
281 n = 0;
282 clear();
283 mvprintw(2, 10, "systat: nlist: can't find following symbols:");
284 for (i = 0;
285 namelist[i].n_name != NULL && *namelist[i].n_name != '\0'; i++)
286 if (namelist[i].n_value == 0)
287 mvprintw(2 + ++n, 10, "%s", namelist[i].n_name);
288 move(CMDLINE, 0);
289 clrtoeol();
290 refresh();
291 endwin();
292 exit(1);
293}
|