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NetBSD/usr.bin/systat/ip.c

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/* $NetBSD: ip.c,v 1.13 2006/10/22 16:43:24 christos Exp $ */
/*
* Copyright (c) 1999, 2000 Andrew Doran <ad@NetBSD.org>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
*/
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: ip.c,v 1.13 2006/10/22 16:43:24 christos Exp $");
#endif /* not lint */
#include <sys/param.h>
#include <sys/sysctl.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_var.h>
#include <netinet/udp.h>
#include <netinet/udp_var.h>
#include <string.h>
#include "systat.h"
#include "extern.h"
#define LHD(row, str) mvwprintw(wnd, row, 10, str)
#define RHD(row, str) mvwprintw(wnd, row, 45, str);
#define SHOW(stat, row, col) \
mvwprintw(wnd, row, col, "%9llu", (unsigned long long)curstat.stat)
struct mystat {
struct ipstat i;
struct udpstat u;
};
enum update {
UPDATE_TIME,
UPDATE_BOOT,
UPDATE_RUN,
};
static enum update update = UPDATE_TIME;
static struct mystat curstat;
static struct mystat oldstat;
static struct mystat newstat;
static struct nlist namelist[] = {
{ .n_name = "_ipstat" },
{ .n_name = "_udpstat" },
{ .n_name = NULL }
};
WINDOW *
openip(void)
{
return (subwin(stdscr, -1, 0, 5, 0));
}
void
closeip(WINDOW *w)
{
if (w != NULL) {
wclear(w);
wrefresh(w);
delwin(w);
}
}
void
labelip(void)
{
wmove(wnd, 0, 0); wclrtoeol(wnd);
LHD(0, "total packets received");
LHD(1, " passed to upper layers");
LHD(2, " with bad checksums");
LHD(3, " too short for header");
LHD(4, " too short for data");
LHD(5, " with invalid hlen");
LHD(6, " with invalid length");
LHD(7, " with invalid version");
LHD(8, " too large");
LHD(9, " option errors");
LHD(10, " fragments received");
LHD(11, " fragments dropped");
LHD(12, " fragments timed out");
LHD(13, " packets reassembled ok");
LHD(15, "packets forwarded");
LHD(16, " fast forwarded");
LHD(17, " unreachable dests");
LHD(18, " redirects generated");
RHD(0, "total packets sent");
RHD(1, " generated locally");
RHD(2, " output drops");
RHD(3, " output fragments generated");
RHD(4, " fragmentation failed");
RHD(5, " destinations unreachable");
RHD(6, " packets output via raw IP");
RHD(7, " total UDP packets sent");
RHD(9, "total UDP packets received");
RHD(10, " too short for header");
RHD(11, " invalid checksum");
RHD(12, " invalid length");
RHD(13, " no socket for dest port");
RHD(14, " no socket for broadcast");
RHD(15, " socket buffer full");
}
void
showip(void)
{
u_quad_t totalout;
totalout = curstat.i.ips_forward + curstat.i.ips_localout;
SHOW(i.ips_total, 0, 0);
mvwprintw(wnd, 0, 35, "%9llu", (unsigned long long)totalout);
SHOW(i.ips_delivered, 1, 0);
SHOW(i.ips_badsum, 2, 0);
SHOW(i.ips_tooshort, 3, 0);
SHOW(i.ips_toosmall, 4, 0);
SHOW(i.ips_badhlen, 5, 0);
SHOW(i.ips_badlen, 6, 0);
SHOW(i.ips_badvers, 7, 0);
SHOW(i.ips_toolong, 8, 0);
SHOW(i.ips_badoptions, 9, 0);
SHOW(i.ips_localout, 1, 35);
SHOW(i.ips_odropped, 2, 35);
SHOW(i.ips_ofragments, 3, 35);
SHOW(i.ips_cantfrag, 4, 35);
SHOW(i.ips_noroute, 5, 35);
SHOW(i.ips_rawout, 6, 35);
SHOW(u.udps_opackets, 7, 35);
SHOW(i.ips_fragments, 10, 0);
SHOW(i.ips_fragdropped, 11, 0);
SHOW(i.ips_fragtimeout, 12, 0);
SHOW(i.ips_reassembled, 13, 0);
SHOW(i.ips_forward, 15, 0);
SHOW(i.ips_fastforward, 16, 0);
SHOW(i.ips_cantforward, 17, 0);
SHOW(i.ips_redirectsent, 18, 0);
SHOW(u.udps_ipackets, 9, 35);
SHOW(u.udps_hdrops, 10, 35);
SHOW(u.udps_badsum, 11, 35);
SHOW(u.udps_badlen, 12, 35);
SHOW(u.udps_noport, 13, 35);
SHOW(u.udps_noportbcast, 14, 35);
SHOW(u.udps_fullsock, 15, 35);
}
int
initip(void)
{
if (namelist[0].n_type == 0) {
if (kvm_nlist(kd, namelist)) {
nlisterr(namelist);
return(0);
}
if ((namelist[0].n_type | namelist[1].n_type) == 0) {
error("No namelist");
return(0);
}
}
return 1;
}
void
fetchip(void)
{
KREAD((void *)namelist[0].n_value, &newstat.i,
sizeof(newstat.i));
KREAD((void *)namelist[1].n_value, &newstat.u,
sizeof(newstat.u));
ADJINETCTR(curstat, oldstat, newstat, i.ips_total);
ADJINETCTR(curstat, oldstat, newstat, i.ips_delivered);
ADJINETCTR(curstat, oldstat, newstat, i.ips_badsum);
ADJINETCTR(curstat, oldstat, newstat, i.ips_tooshort);
ADJINETCTR(curstat, oldstat, newstat, i.ips_toosmall);
ADJINETCTR(curstat, oldstat, newstat, i.ips_badhlen);
ADJINETCTR(curstat, oldstat, newstat, i.ips_badlen);
ADJINETCTR(curstat, oldstat, newstat, i.ips_badvers);
ADJINETCTR(curstat, oldstat, newstat, i.ips_toolong);
ADJINETCTR(curstat, oldstat, newstat, i.ips_badoptions);
ADJINETCTR(curstat, oldstat, newstat, i.ips_localout);
ADJINETCTR(curstat, oldstat, newstat, i.ips_odropped);
ADJINETCTR(curstat, oldstat, newstat, i.ips_ofragments);
ADJINETCTR(curstat, oldstat, newstat, i.ips_cantfrag);
ADJINETCTR(curstat, oldstat, newstat, i.ips_noroute);
ADJINETCTR(curstat, oldstat, newstat, i.ips_rawout);
ADJINETCTR(curstat, oldstat, newstat, i.ips_fragments);
ADJINETCTR(curstat, oldstat, newstat, i.ips_fragdropped);
ADJINETCTR(curstat, oldstat, newstat, i.ips_fragtimeout);
ADJINETCTR(curstat, oldstat, newstat, i.ips_reassembled);
ADJINETCTR(curstat, oldstat, newstat, i.ips_forward);
ADJINETCTR(curstat, oldstat, newstat, i.ips_fastforward);
ADJINETCTR(curstat, oldstat, newstat, i.ips_cantforward);
ADJINETCTR(curstat, oldstat, newstat, i.ips_redirectsent);
ADJINETCTR(curstat, oldstat, newstat, u.udps_opackets);
ADJINETCTR(curstat, oldstat, newstat, u.udps_ipackets);
ADJINETCTR(curstat, oldstat, newstat, u.udps_hdrops);
ADJINETCTR(curstat, oldstat, newstat, u.udps_badsum);
ADJINETCTR(curstat, oldstat, newstat, u.udps_badlen);
ADJINETCTR(curstat, oldstat, newstat, u.udps_noport);
ADJINETCTR(curstat, oldstat, newstat, u.udps_noportbcast);
ADJINETCTR(curstat, oldstat, newstat, u.udps_fullsock);
if (update == UPDATE_TIME)
memcpy(&oldstat, &newstat, sizeof(oldstat));
}
void
ip_boot(char *args)
{
memset(&oldstat, 0, sizeof(oldstat));
update = UPDATE_BOOT;
}
void
ip_run(char *args)
{
if (update != UPDATE_RUN) {
memcpy(&oldstat, &newstat, sizeof(oldstat));
update = UPDATE_RUN;
}
}
void
ip_time(char *args)
{
if (update != UPDATE_TIME) {
memcpy(&oldstat, &newstat, sizeof(oldstat));
update = UPDATE_TIME;
}
}
void
ip_zero(char *args)
{
if (update == UPDATE_RUN)
memcpy(&oldstat, &newstat, sizeof(oldstat));
}
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