181 lines
4.4 KiB
C
181 lines
4.4 KiB
C
/* $NetBSD: icmp.c,v 1.4 2000/06/13 13:37:12 ad Exp $ */
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/*
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* Copyright (c) 1999 Andrew Doran <ad@NetBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: icmp.c,v 1.4 2000/06/13 13:37:12 ad Exp $");
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/sysctl.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <netinet/ip_icmp.h>
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#include <netinet/icmp_var.h>
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#include <stdlib.h>
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#include <string.h>
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#include <paths.h>
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#include <nlist.h>
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#include <kvm.h>
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#include "systat.h"
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#include "extern.h"
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#define LHD(row, str) mvwprintw(wnd, row, 10, str)
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#define RHD(row, str) mvwprintw(wnd, row, 45, str);
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#define BD(row, str) LHD(row, str); RHD(row, str)
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#define SHOW(stat, row, col) \
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mvwprintw(wnd, row, col, "%9llu", (unsigned long long)stats.stat)
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#define SHOW2(type, row) SHOW(icps_inhist[type], row, 0); \
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SHOW(icps_outhist[type], row, 35)
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static struct icmpstat stats;
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static struct nlist namelist[] = {
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{ "_icmpstat" },
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{ "" }
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};
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WINDOW *
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openicmp(void)
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{
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return (subwin(stdscr, LINES-5-1, 0, 5, 0));
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}
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void
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closeicmp(w)
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WINDOW *w;
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{
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if (w != NULL) {
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wclear(w);
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wrefresh(w);
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delwin(w);
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}
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}
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void
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labelicmp(void)
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{
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wmove(wnd, 0, 0); wclrtoeol(wnd);
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mvwprintw(wnd, 1, 0, "------------ ICMP input -------------");
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mvwprintw(wnd, 1, 38, "------------- ICMP output -------------");
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mvwprintw(wnd, 8, 0, "---------- Input histogram ----------");
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mvwprintw(wnd, 8, 38, "---------- Output histogram -----------");
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LHD(3, "with bad code");
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LHD(4, "with bad length");
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LHD(5, "with bad checksum");
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LHD(6, "with insufficient data");
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RHD(3, "errors generated");
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RHD(4, "suppressed - original too short");
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RHD(5, "suppressed - original was ICMP");
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RHD(6, "responses sent");
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BD(2, "total messages");
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BD(9, "echo response");
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BD(10, "echo request");
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BD(11, "destination unreachable");
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BD(12, "redirect");
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BD(13, "time-to-live exceeded");
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BD(14, "parameter problem");
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LHD(15, "router advertisement");
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RHD(15, "router solicitation");
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}
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void
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showicmp(void)
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{
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u_long tin, tout;
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int i;
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for (i = tin = tout = 0; i <= ICMP_MAXTYPE; i++) {
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tin += stats.icps_inhist[i];
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tout += stats.icps_outhist[i];
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}
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tin += stats.icps_badcode + stats.icps_badlen + stats.icps_checksum +
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stats.icps_tooshort;
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mvwprintw(wnd, 2, 0, "%9lu", tin);
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mvwprintw(wnd, 2, 35, "%9lu", tout);
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SHOW(icps_badcode, 3, 0);
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SHOW(icps_badlen, 4, 0);
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SHOW(icps_checksum, 5, 0);
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SHOW(icps_tooshort, 6, 0);
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SHOW(icps_error, 3, 35);
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SHOW(icps_oldshort, 4, 35);
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SHOW(icps_oldicmp, 5, 35);
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SHOW(icps_reflect, 6, 35);
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SHOW2(ICMP_ECHOREPLY, 9);
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SHOW2(ICMP_ECHO, 10);
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SHOW2(ICMP_UNREACH, 11);
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SHOW2(ICMP_REDIRECT, 12);
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SHOW2(ICMP_TIMXCEED, 13);
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SHOW2(ICMP_PARAMPROB, 14);
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SHOW(icps_inhist[ICMP_ROUTERADVERT], 15, 0);
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SHOW(icps_outhist[ICMP_ROUTERSOLICIT], 15, 35);
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}
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int
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initicmp(void)
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{
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if (namelist[0].n_type == 0) {
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if (kvm_nlist(kd, namelist)) {
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nlisterr(namelist);
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return(0);
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}
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if (namelist[0].n_type == 0) {
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error("No namelist");
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return(0);
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}
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}
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return (1);
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}
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void
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fetchicmp(void)
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{
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KREAD((void *)namelist[0].n_value, &stats, sizeof(stats));
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}
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