Annotation of src/usr.bin/systat/mbufs.c, Revision 1.17
1.17 ! deraadt 1: /* $OpenBSD: mbufs.c,v 1.16 2006/03/31 04:10:59 deraadt Exp $ */
1.1 deraadt 2: /* $NetBSD: mbufs.c,v 1.2 1995/01/20 08:52:02 jtc Exp $ */
3:
4: /*-
5: * Copyright (c) 1980, 1992, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
1.13 millert 16: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: */
32:
33: #ifndef lint
34: #if 0
35: static char sccsid[] = "@(#)mbufs.c 8.1 (Berkeley) 6/6/93";
36: #endif
1.17 ! deraadt 37: static char rcsid[] = "$OpenBSD: mbufs.c,v 1.16 2006/03/31 04:10:59 deraadt Exp $";
1.1 deraadt 38: #endif /* not lint */
39:
40: #include <sys/param.h>
41: #include <sys/types.h>
42: #include <sys/mbuf.h>
1.10 angelos 43: #include <sys/sysctl.h>
1.1 deraadt 44:
45: #include <stdlib.h>
46: #include <string.h>
1.9 deraadt 47: #include <err.h>
1.1 deraadt 48: #include <paths.h>
49: #include "systat.h"
50: #include "extern.h"
51:
1.15 deraadt 52: static struct mbstat mb;
1.1 deraadt 53:
54: char *mtnames[] = {
55: "free",
56: "data",
57: "headers",
58: "sockets",
59: "pcbs",
60: "routes",
61: "hosts",
62: "arps",
63: "socknames",
64: "zombies",
65: "sockopts",
66: "frags",
67: "rights",
68: "ifaddrs",
69: };
70:
71: #define NNAMES (sizeof (mtnames) / sizeof (mtnames[0]))
72:
73: WINDOW *
1.11 deraadt 74: openmbufs(void)
1.1 deraadt 75: {
1.17 ! deraadt 76: return (subwin(stdscr, LINES-1-2, 0, 2, 0));
1.1 deraadt 77: }
78:
79: void
1.11 deraadt 80: closembufs(WINDOW *w)
1.1 deraadt 81: {
82: if (w == NULL)
83: return;
84: wclear(w);
85: wrefresh(w);
86: delwin(w);
87: }
88:
89: void
1.11 deraadt 90: labelmbufs(void)
1.1 deraadt 91: {
1.16 deraadt 92: wmove(wnd, 0, 0);
93: wclrtoeol(wnd);
1.1 deraadt 94: mvwaddstr(wnd, 0, 10,
95: "/0 /5 /10 /15 /20 /25 /30 /35 /40 /45 /50 /55 /60");
96: }
97:
98: void
1.11 deraadt 99: showmbufs(void)
1.1 deraadt 100: {
1.16 deraadt 101: int i, j, max, ind;
1.4 deraadt 102: char buf[13];
1.1 deraadt 103:
1.2 mickey 104: for (j = 0; j < wnd->_maxy; j++) {
1.16 deraadt 105: max = 0, ind = -1;
1.2 mickey 106: for (i = 0; i < wnd->_maxy; i++)
1.15 deraadt 107: if (mb.m_mtypes[i] > max) {
108: max = mb.m_mtypes[i];
1.16 deraadt 109: ind = i;
1.1 deraadt 110: }
111: if (max == 0)
112: break;
113: if (j > NNAMES)
1.16 deraadt 114: mvwprintw(wnd, 1+j, 0, "%10d", ind);
1.1 deraadt 115: else
1.16 deraadt 116: mvwprintw(wnd, 1+j, 0, "%-10.10s", mtnames[ind]);
1.1 deraadt 117: wmove(wnd, 1 + j, 10);
118: if (max > 60) {
1.4 deraadt 119: snprintf(buf, sizeof buf, " %d", max);
1.1 deraadt 120: max = 60;
121: while (max--)
122: waddch(wnd, 'X');
123: waddstr(wnd, buf);
124: } else {
125: while (max--)
126: waddch(wnd, 'X');
127: wclrtoeol(wnd);
128: }
1.16 deraadt 129: mb.m_mtypes[ind] = 0;
1.1 deraadt 130: }
1.16 deraadt 131: wmove(wnd, 1+j, 0);
132: wclrtobot(wnd);
1.1 deraadt 133: }
134:
135:
1.15 deraadt 136: void
137: fetchmbufs(void)
1.1 deraadt 138: {
1.15 deraadt 139: int mib[2];
140: size_t size = sizeof (mb);
1.5 ericj 141:
1.15 deraadt 142: mib[0] = CTL_KERN;
143: mib[1] = KERN_MBSTAT;
144: if (sysctl(mib, 2, &mb, &size, NULL, 0) < 0)
145: err(1, "sysctl(KERN_MBSTAT) failed");
1.1 deraadt 146: }
147:
1.15 deraadt 148: int
149: initmbufs(void)
1.1 deraadt 150: {
1.15 deraadt 151: return (1);
1.1 deraadt 152: }
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