/* $OpenBSD: mbufs.c,v 1.17 2007/02/25 18:21:24 deraadt Exp $ */ /* $NetBSD: mbufs.c,v 1.2 1995/01/20 08:52:02 jtc Exp $ */ /*- * Copyright (c) 1980, 1992, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef lint #if 0 static char sccsid[] = "@(#)mbufs.c 8.1 (Berkeley) 6/6/93"; #endif static char rcsid[] = "$OpenBSD: mbufs.c,v 1.17 2007/02/25 18:21:24 deraadt Exp $"; #endif /* not lint */ #include <sys/param.h> #include <sys/types.h> #include <sys/mbuf.h> #include <sys/sysctl.h> #include <stdlib.h> #include <string.h> #include <err.h> #include <paths.h> #include "systat.h" #include "extern.h" static struct mbstat mb; char *mtnames[] = { "free", "data", "headers", "sockets", "pcbs", "routes", "hosts", "arps", "socknames", "zombies", "sockopts", "frags", "rights", "ifaddrs", }; #define NNAMES (sizeof (mtnames) / sizeof (mtnames[0])) WINDOW * openmbufs(void) { return (subwin(stdscr, LINES-1-2, 0, 2, 0)); } void closembufs(WINDOW *w) { if (w == NULL) return; wclear(w); wrefresh(w); delwin(w); } void labelmbufs(void) { wmove(wnd, 0, 0); wclrtoeol(wnd); mvwaddstr(wnd, 0, 10, "/0 /5 /10 /15 /20 /25 /30 /35 /40 /45 /50 /55 /60"); } void showmbufs(void) { int i, j, max, ind; char buf[13]; for (j = 0; j < wnd->_maxy; j++) { max = 0, ind = -1; for (i = 0; i < wnd->_maxy; i++) if (mb.m_mtypes[i] > max) { max = mb.m_mtypes[i]; ind = i; } if (max == 0) break; if (j > NNAMES) mvwprintw(wnd, 1+j, 0, "%10d", ind); else mvwprintw(wnd, 1+j, 0, "%-10.10s", mtnames[ind]); wmove(wnd, 1 + j, 10); if (max > 60) { snprintf(buf, sizeof buf, " %d", max); max = 60; while (max--) waddch(wnd, 'X'); waddstr(wnd, buf); } else { while (max--) waddch(wnd, 'X'); wclrtoeol(wnd); } mb.m_mtypes[ind] = 0; } wmove(wnd, 1+j, 0); wclrtobot(wnd); } void fetchmbufs(void) { int mib[2]; size_t size = sizeof (mb); mib[0] = CTL_KERN; mib[1] = KERN_MBSTAT; if (sysctl(mib, 2, &mb, &size, NULL, 0) < 0) err(1, "sysctl(KERN_MBSTAT) failed"); } int initmbufs(void) { return (1); }