296 lines
8.1 KiB
C
296 lines
8.1 KiB
C
/* $NetBSD: ip.c,v 1.16 2008/04/10 17:14:25 thorpej Exp $ */
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/*
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* Copyright (c) 1999, 2000 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: ip.c,v 1.16 2008/04/10 17:14:25 thorpej Exp $");
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#endif /* not lint */
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#include <sys/param.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_var.h>
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#include <netinet/udp.h>
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#include <netinet/udp_var.h>
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#include <string.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 SHOW(stat, row, col) \
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mvwprintw(wnd, row, col, "%9llu", (unsigned long long)curstat.stat)
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struct mystat {
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uint64_t i[IP_NSTATS];
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uint64_t u[UDP_NSTATS];
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};
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enum update {
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UPDATE_TIME,
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UPDATE_BOOT,
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UPDATE_RUN,
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};
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static enum update update = UPDATE_TIME;
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static struct mystat curstat;
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static struct mystat oldstat;
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static struct mystat newstat;
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static struct nlist namelist[] = {
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{ .n_name = "_ipstat" },
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{ .n_name = "_udpstat" },
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{ .n_name = NULL }
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};
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WINDOW *
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openip(void)
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{
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return (subwin(stdscr, -1, 0, 5, 0));
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}
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void
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closeip(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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labelip(void)
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{
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wmove(wnd, 0, 0); wclrtoeol(wnd);
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LHD(0, "total packets received");
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LHD(1, " passed to upper layers");
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LHD(2, " with bad checksums");
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LHD(3, " too short for header");
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LHD(4, " too short for data");
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LHD(5, " with invalid hlen");
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LHD(6, " with invalid length");
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LHD(7, " with invalid version");
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LHD(8, " too large");
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LHD(9, " option errors");
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LHD(10, " fragments received");
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LHD(11, " fragments dropped");
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LHD(12, " fragments timed out");
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LHD(13, " packets reassembled ok");
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LHD(15, "packets forwarded");
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LHD(16, " fast forwarded");
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LHD(17, " unreachable dests");
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LHD(18, " redirects generated");
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RHD(0, "total packets sent");
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RHD(1, " generated locally");
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RHD(2, " output drops");
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RHD(3, " output fragments generated");
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RHD(4, " fragmentation failed");
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RHD(5, " destinations unreachable");
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RHD(6, " packets output via raw IP");
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RHD(7, " total UDP packets sent");
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RHD(9, "total UDP packets received");
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RHD(10, " too short for header");
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RHD(11, " invalid checksum");
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RHD(12, " invalid length");
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RHD(13, " no socket for dest port");
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RHD(14, " no socket for broadcast");
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RHD(15, " socket buffer full");
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}
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void
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showip(void)
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{
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u_quad_t totalout;
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totalout = curstat.i[IP_STAT_FORWARD] + curstat.i[IP_STAT_LOCALOUT];
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SHOW(i[IP_STAT_TOTAL], 0, 0);
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mvwprintw(wnd, 0, 35, "%9llu", (unsigned long long)totalout);
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SHOW(i[IP_STAT_DELIVERED], 1, 0);
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SHOW(i[IP_STAT_BADSUM], 2, 0);
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SHOW(i[IP_STAT_TOOSHORT], 3, 0);
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SHOW(i[IP_STAT_TOOSMALL], 4, 0);
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SHOW(i[IP_STAT_BADHLEN], 5, 0);
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SHOW(i[IP_STAT_BADLEN], 6, 0);
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SHOW(i[IP_STAT_BADVERS], 7, 0);
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SHOW(i[IP_STAT_TOOLONG], 8, 0);
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SHOW(i[IP_STAT_BADOPTIONS], 9, 0);
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SHOW(i[IP_STAT_LOCALOUT], 1, 35);
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SHOW(i[IP_STAT_ODROPPED], 2, 35);
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SHOW(i[IP_STAT_OFRAGMENTS], 3, 35);
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SHOW(i[IP_STAT_CANTFRAG], 4, 35);
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SHOW(i[IP_STAT_NOROUTE], 5, 35);
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SHOW(i[IP_STAT_RAWOUT], 6, 35);
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SHOW(u[UDP_STAT_OPACKETS], 7, 35);
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SHOW(i[IP_STAT_FRAGMENTS], 10, 0);
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SHOW(i[IP_STAT_FRAGDROPPED], 11, 0);
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SHOW(i[IP_STAT_FRAGTIMEOUT], 12, 0);
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SHOW(i[IP_STAT_REASSEMBLED], 13, 0);
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SHOW(i[IP_STAT_FORWARD], 15, 0);
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SHOW(i[IP_STAT_FASTFORWARD], 16, 0);
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SHOW(i[IP_STAT_CANTFORWARD], 17, 0);
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SHOW(i[IP_STAT_REDIRECTSENT], 18, 0);
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SHOW(u[UDP_STAT_IPACKETS], 9, 35);
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SHOW(u[UDP_STAT_HDROPS], 10, 35);
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SHOW(u[UDP_STAT_BADSUM], 11, 35);
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SHOW(u[UDP_STAT_BADLEN], 12, 35);
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SHOW(u[UDP_STAT_NOPORT], 13, 35);
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SHOW(u[UDP_STAT_NOPORTBCAST], 14, 35);
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SHOW(u[UDP_STAT_FULLSOCK], 15, 35);
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}
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int
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initip(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 | namelist[1].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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fetchip(void)
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{
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if (use_sysctl) {
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size_t size;
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size = sizeof(newstat.i);
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if (sysctlbyname("net.inet.ip.stats", newstat.i, &size,
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NULL, 0) == -1)
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return;
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size = sizeof(newstat.u);
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if (sysctlbyname("net.inet.udp.stats", newstat.u, &size,
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NULL, 0) == -1)
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return;
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} else {
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KREAD((void *)namelist[0].n_value, newstat.i,
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sizeof(newstat.i));
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KREAD((void *)namelist[1].n_value, newstat.u,
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sizeof(newstat.u));
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}
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_TOTAL]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_DELIVERED]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_BADSUM]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_TOOSHORT]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_TOOSMALL]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_BADHLEN]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_BADLEN]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_BADVERS]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_TOOLONG]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_BADOPTIONS]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_LOCALOUT]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_ODROPPED]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_OFRAGMENTS]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_CANTFRAG]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_NOROUTE]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_RAWOUT]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_FRAGMENTS]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_FRAGDROPPED]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_FRAGTIMEOUT]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_REASSEMBLED]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_FORWARD]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_FASTFORWARD]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_CANTFORWARD]);
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ADJINETCTR(curstat, oldstat, newstat, i[IP_STAT_REDIRECTSENT]);
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ADJINETCTR(curstat, oldstat, newstat, u[UDP_STAT_OPACKETS]);
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ADJINETCTR(curstat, oldstat, newstat, u[UDP_STAT_IPACKETS]);
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ADJINETCTR(curstat, oldstat, newstat, u[UDP_STAT_HDROPS]);
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ADJINETCTR(curstat, oldstat, newstat, u[UDP_STAT_BADSUM]);
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ADJINETCTR(curstat, oldstat, newstat, u[UDP_STAT_BADLEN]);
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ADJINETCTR(curstat, oldstat, newstat, u[UDP_STAT_NOPORT]);
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ADJINETCTR(curstat, oldstat, newstat, u[UDP_STAT_NOPORTBCAST]);
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ADJINETCTR(curstat, oldstat, newstat, u[UDP_STAT_FULLSOCK]);
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if (update == UPDATE_TIME)
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memcpy(&oldstat, &newstat, sizeof(oldstat));
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}
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void
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ip_boot(char *args)
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{
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memset(&oldstat, 0, sizeof(oldstat));
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update = UPDATE_BOOT;
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}
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void
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ip_run(char *args)
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{
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if (update != UPDATE_RUN) {
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memcpy(&oldstat, &newstat, sizeof(oldstat));
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update = UPDATE_RUN;
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}
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}
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void
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ip_time(char *args)
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{
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if (update != UPDATE_TIME) {
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memcpy(&oldstat, &newstat, sizeof(oldstat));
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update = UPDATE_TIME;
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}
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}
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void
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ip_zero(char *args)
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{
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if (update == UPDATE_RUN)
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memcpy(&oldstat, &newstat, sizeof(oldstat));
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}
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