icmp.c revision 158160
1/*- 2 * Copyright (c) 1980, 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#include <sys/cdefs.h> 35 36__FBSDID("$FreeBSD: head/usr.bin/systat/icmp.c 158160 2006-04-30 04:26:46Z bde $"); 37 38#ifdef lint 39static char sccsid[] = "@(#)mbufs.c 8.1 (Berkeley) 6/6/93"; 40#endif 41 42/* From: 43 "Id: mbufs.c,v 1.5 1997/02/24 20:59:03 wollman Exp" 44*/ 45 46#include <sys/param.h> 47#include <sys/types.h> 48#include <sys/socket.h> 49#include <sys/sysctl.h> 50 51#include <netinet/in.h> 52#include <netinet/in_systm.h> 53#include <netinet/ip.h> 54#include <netinet/ip_icmp.h> 55#include <netinet/icmp_var.h> 56 57#include <stdlib.h> 58#include <string.h> 59#include <paths.h> 60#include "systat.h" 61#include "extern.h" 62#include "mode.h" 63 64static struct icmpstat icmpstat, initstat, oldstat; 65 66/*- 67--0 1 2 3 4 5 6 7 68--0123456789012345678901234567890123456789012345678901234567890123456789012345 6900 ICMP Input ICMP Output 7001999999999 total messages 999999999 total messages 7102999999999 with bad code 999999999 errors generated 7203999999999 with bad length 999999999 suppressed - original too short 7304999999999 with bad checksum 999999999 suppressed - original was ICMP 7405999999999 with insufficient data 999999999 responses sent 7506 999999999 suppressed - multicast echo 7607 999999999 suppressed - multicast tstamp 7708 7809 Input Histogram Output Histogram 7910999999999 echo response 999999999 echo response 8011999999999 echo request 999999999 echo request 8112999999999 destination unreachable 999999999 destination unreachable 8213999999999 redirect 999999999 redirect 8314999999999 time-to-live exceeded 999999999 time-to-line exceeded 8415999999999 parameter problem 999999999 parameter problem 8516999999999 router advertisement 999999999 router solicitation 8617 8718 88--0123456789012345678901234567890123456789012345678901234567890123456789012345 89--0 1 2 3 4 5 6 7 90*/ 91 92WINDOW * 93openicmp(void) 94{ 95 return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0)); 96} 97 98void 99closeicmp(w) 100 WINDOW *w; 101{ 102 if (w == NULL) 103 return; 104 wclear(w); 105 wrefresh(w); 106 delwin(w); 107} 108 109void 110labelicmp(void) 111{ 112 wmove(wnd, 0, 0); wclrtoeol(wnd); 113#define L(row, str) mvwprintw(wnd, row, 10, str) 114#define R(row, str) mvwprintw(wnd, row, 45, str); 115 L(0, "ICMP Input"); R(0, "ICMP Output"); 116 L(1, "total messages"); R(1, "total messages"); 117 L(2, "with bad code"); R(2, "errors generated"); 118 L(3, "with bad length"); R(3, "suppressed - original too short"); 119 L(4, "with bad checksum"); R(4, "suppressed - original was ICMP"); 120 L(5, "with insufficient data"); R(5, "responses sent"); 121 R(6, "suppressed - multicast echo"); 122 R(7, "suppressed - multicast tstamp"); 123 L(9, "Input Histogram"); R(9, "Output Histogram"); 124#define B(row, str) L(row, str); R(row, str) 125 B(10, "echo response"); 126 B(11, "echo request"); 127 B(12, "destination unreachable"); 128 B(13, "redirect"); 129 B(14, "time-to-live exceeded"); 130 B(15, "parameter problem"); 131 L(16, "router advertisement"); R(16, "router solicitation"); 132#undef L 133#undef R 134#undef B 135} 136 137static void 138domode(struct icmpstat *ret) 139{ 140 const struct icmpstat *sub; 141 int i, divisor = 1; 142 143 switch(currentmode) { 144 case display_RATE: 145 sub = &oldstat; 146 divisor = naptime; 147 break; 148 case display_DELTA: 149 sub = &oldstat; 150 break; 151 case display_SINCE: 152 sub = &initstat; 153 break; 154 default: 155 *ret = icmpstat; 156 return; 157 } 158#define DO(stat) ret->stat = (icmpstat.stat - sub->stat) / divisor 159 DO(icps_error); 160 DO(icps_oldshort); 161 DO(icps_oldicmp); 162 for (i = 0; i <= ICMP_MAXTYPE; i++) { 163 DO(icps_outhist[i]); 164 } 165 DO(icps_badcode); 166 DO(icps_tooshort); 167 DO(icps_checksum); 168 DO(icps_badlen); 169 DO(icps_reflect); 170 for (i = 0; i <= ICMP_MAXTYPE; i++) { 171 DO(icps_inhist[i]); 172 } 173 DO(icps_bmcastecho); 174 DO(icps_bmcasttstamp); 175#undef DO 176} 177 178void 179showicmp(void) 180{ 181 struct icmpstat stats; 182 u_long totalin, totalout; 183 int i; 184 185 memset(&stats, 0, sizeof stats); 186 domode(&stats); 187 for (i = totalin = totalout = 0; i <= ICMP_MAXTYPE; i++) { 188 totalin += stats.icps_inhist[i]; 189 totalout += stats.icps_outhist[i]; 190 } 191 totalin += stats.icps_badcode + stats.icps_badlen + 192 stats.icps_checksum + stats.icps_tooshort; 193 mvwprintw(wnd, 1, 0, "%9lu", totalin); 194 mvwprintw(wnd, 1, 35, "%9lu", totalout); 195 196#define DO(stat, row, col) \ 197 mvwprintw(wnd, row, col, "%9lu", stats.stat) 198 199 DO(icps_badcode, 2, 0); 200 DO(icps_badlen, 3, 0); 201 DO(icps_checksum, 4, 0); 202 DO(icps_tooshort, 5, 0); 203 DO(icps_error, 2, 35); 204 DO(icps_oldshort, 3, 35); 205 DO(icps_oldicmp, 4, 35); 206 DO(icps_reflect, 5, 35); 207 DO(icps_bmcastecho, 6, 35); 208 DO(icps_bmcasttstamp, 7, 35); 209#define DO2(type, row) DO(icps_inhist[type], row, 0); DO(icps_outhist[type], \ 210 row, 35) 211 DO2(ICMP_ECHOREPLY, 10); 212 DO2(ICMP_ECHO, 11); 213 DO2(ICMP_UNREACH, 12); 214 DO2(ICMP_REDIRECT, 13); 215 DO2(ICMP_TIMXCEED, 14); 216 DO2(ICMP_PARAMPROB, 15); 217 DO(icps_inhist[ICMP_ROUTERADVERT], 16, 0); 218 DO(icps_outhist[ICMP_ROUTERSOLICIT], 16, 35); 219#undef DO 220#undef DO2 221} 222 223int 224initicmp(void) 225{ 226 size_t len; 227 int name[4]; 228 229 name[0] = CTL_NET; 230 name[1] = PF_INET; 231 name[2] = IPPROTO_ICMP; 232 name[3] = ICMPCTL_STATS; 233 234 len = 0; 235 if (sysctl(name, 4, 0, &len, 0, 0) < 0) { 236 error("sysctl getting icmpstat size failed"); 237 return 0; 238 } 239 if (len > sizeof icmpstat) { 240 error("icmpstat structure has grown--recompile systat!"); 241 return 0; 242 } 243 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) { 244 error("sysctl getting icmpstat size failed"); 245 return 0; 246 } 247 oldstat = initstat; 248 return 1; 249} 250 251void 252reseticmp(void) 253{ 254 size_t len; 255 int name[4]; 256 257 name[0] = CTL_NET; 258 name[1] = PF_INET; 259 name[2] = IPPROTO_ICMP; 260 name[3] = ICMPCTL_STATS; 261 262 len = sizeof initstat; 263 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) { 264 error("sysctl getting icmpstat size failed"); 265 } 266 oldstat = initstat; 267} 268 269void 270fetchicmp(void) 271{ 272 int name[4]; 273 size_t len; 274 275 oldstat = icmpstat; 276 name[0] = CTL_NET; 277 name[1] = PF_INET; 278 name[2] = IPPROTO_ICMP; 279 name[3] = ICMPCTL_STATS; 280 len = sizeof icmpstat; 281 282 if (sysctl(name, 4, &icmpstat, &len, 0, 0) < 0) 283 return; 284} 285 286