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 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #include <sys/cdefs.h> 31 32 __FBSDID("$FreeBSD$"); 33 34 #ifdef lint 35 static char sccsid[] = "@(#)mbufs.c 8.1 (Berkeley) 6/6/93"; 36 #endif 37 38 /* From: 39 "Id: mbufs.c,v 1.5 1997/02/24 20:59:03 wollman Exp" 40 */ 41 42 #include <sys/param.h> 43 #include <sys/types.h> 44 #include <sys/socket.h> 45 #include <sys/sysctl.h> 46 47 #include <netinet/in.h> 48 #include <netinet/in_systm.h> 49 #include <netinet/ip.h> 50 #include <netinet/ip_icmp.h> 51 #include <netinet/icmp_var.h> 52 53 #include <stdlib.h> 54 #include <string.h> 55 #include <paths.h> 56 #include "systat.h" 57 #include "extern.h" 58 #include "mode.h" 59 60 static struct icmpstat icmpstat, initstat, oldstat; 61 62 /*- 63 --0 1 2 3 4 5 6 7 64 --0123456789012345678901234567890123456789012345678901234567890123456789012345 65 00 ICMP Input ICMP Output 66 01999999999 total messages 999999999 total messages 67 02999999999 with bad code 999999999 errors generated 68 03999999999 with bad length 999999999 suppressed - original too short 69 04999999999 with bad checksum 999999999 suppressed - original was ICMP 70 05999999999 with insufficient data 999999999 responses sent 71 06 999999999 suppressed - multicast echo 72 07 999999999 suppressed - multicast tstamp 73 08 74 09 Input Histogram Output Histogram 75 10999999999 echo response 999999999 echo response 76 11999999999 echo request 999999999 echo request 77 12999999999 destination unreachable 999999999 destination unreachable 78 13999999999 redirect 999999999 redirect 79 14999999999 time-to-live exceeded 999999999 time-to-line exceeded 80 15999999999 parameter problem 999999999 parameter problem 81 16999999999 router advertisement 999999999 router solicitation 82 17 83 18 84 --0123456789012345678901234567890123456789012345678901234567890123456789012345 85 --0 1 2 3 4 5 6 7 86 */ 87 88 WINDOW * 89 openicmp(void) 90 { 91 return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0)); 92 } 93 94 void 95 closeicmp(WINDOW *w) 96 { 97 if (w == NULL) 98 return; 99 wclear(w); 100 wrefresh(w); 101 delwin(w); 102 } 103 104 void 105 labelicmp(void) 106 { 107 wmove(wnd, 0, 0); wclrtoeol(wnd); 108 #define L(row, str) mvwprintw(wnd, row, 10, str) 109 #define R(row, str) mvwprintw(wnd, row, 45, str); 110 L(0, "ICMP Input"); R(0, "ICMP Output"); 111 L(1, "total messages"); R(1, "total messages"); 112 L(2, "with bad code"); R(2, "errors generated"); 113 L(3, "with bad length"); R(3, "suppressed - original too short"); 114 L(4, "with bad checksum"); R(4, "suppressed - original was ICMP"); 115 L(5, "with insufficient data"); R(5, "responses sent"); 116 R(6, "suppressed - multicast echo"); 117 R(7, "suppressed - multicast tstamp"); 118 L(9, "Input Histogram"); R(9, "Output Histogram"); 119 #define B(row, str) L(row, str); R(row, str) 120 B(10, "echo response"); 121 B(11, "echo request"); 122 B(12, "destination unreachable"); 123 B(13, "redirect"); 124 B(14, "time-to-live exceeded"); 125 B(15, "parameter problem"); 126 L(16, "router advertisement"); R(16, "router solicitation"); 127 #undef L 128 #undef R 129 #undef B 130 } 131 132 static void 133 domode(struct icmpstat *ret) 134 { 135 const struct icmpstat *sub; 136 int i, divisor = 1; 137 138 switch(currentmode) { 139 case display_RATE: 140 sub = &oldstat; 141 divisor = (delay > 1000000) ? delay / 1000000 : 1; 142 break; 143 case display_DELTA: 144 sub = &oldstat; 145 break; 146 case display_SINCE: 147 sub = &initstat; 148 break; 149 default: 150 *ret = icmpstat; 151 return; 152 } 153 #define DO(stat) ret->stat = (icmpstat.stat - sub->stat) / divisor 154 DO(icps_error); 155 DO(icps_oldshort); 156 DO(icps_oldicmp); 157 for (i = 0; i <= ICMP_MAXTYPE; i++) { 158 DO(icps_outhist[i]); 159 } 160 DO(icps_badcode); 161 DO(icps_tooshort); 162 DO(icps_checksum); 163 DO(icps_badlen); 164 DO(icps_reflect); 165 for (i = 0; i <= ICMP_MAXTYPE; i++) { 166 DO(icps_inhist[i]); 167 } 168 DO(icps_bmcastecho); 169 DO(icps_bmcasttstamp); 170 #undef DO 171 } 172 173 void 174 showicmp(void) 175 { 176 struct icmpstat stats; 177 u_long totalin, totalout; 178 int i; 179 180 memset(&stats, 0, sizeof stats); 181 domode(&stats); 182 for (i = totalin = totalout = 0; i <= ICMP_MAXTYPE; i++) { 183 totalin += stats.icps_inhist[i]; 184 totalout += stats.icps_outhist[i]; 185 } 186 totalin += stats.icps_badcode + stats.icps_badlen + 187 stats.icps_checksum + stats.icps_tooshort; 188 mvwprintw(wnd, 1, 0, "%9lu", totalin); 189 mvwprintw(wnd, 1, 35, "%9lu", totalout); 190 191 #define DO(stat, row, col) \ 192 mvwprintw(wnd, row, col, "%9lu", stats.stat) 193 194 DO(icps_badcode, 2, 0); 195 DO(icps_badlen, 3, 0); 196 DO(icps_checksum, 4, 0); 197 DO(icps_tooshort, 5, 0); 198 DO(icps_error, 2, 35); 199 DO(icps_oldshort, 3, 35); 200 DO(icps_oldicmp, 4, 35); 201 DO(icps_reflect, 5, 35); 202 DO(icps_bmcastecho, 6, 35); 203 DO(icps_bmcasttstamp, 7, 35); 204 #define DO2(type, row) DO(icps_inhist[type], row, 0); DO(icps_outhist[type], \ 205 row, 35) 206 DO2(ICMP_ECHOREPLY, 10); 207 DO2(ICMP_ECHO, 11); 208 DO2(ICMP_UNREACH, 12); 209 DO2(ICMP_REDIRECT, 13); 210 DO2(ICMP_TIMXCEED, 14); 211 DO2(ICMP_PARAMPROB, 15); 212 DO(icps_inhist[ICMP_ROUTERADVERT], 16, 0); 213 DO(icps_outhist[ICMP_ROUTERSOLICIT], 16, 35); 214 #undef DO 215 #undef DO2 216 } 217 218 int 219 initicmp(void) 220 { 221 size_t len; 222 int name[4]; 223 224 name[0] = CTL_NET; 225 name[1] = PF_INET; 226 name[2] = IPPROTO_ICMP; 227 name[3] = ICMPCTL_STATS; 228 229 len = 0; 230 if (sysctl(name, 4, 0, &len, 0, 0) < 0) { 231 error("sysctl getting icmpstat size failed"); 232 return 0; 233 } 234 if (len > sizeof icmpstat) { 235 error("icmpstat structure has grown--recompile systat!"); 236 return 0; 237 } 238 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) { 239 error("sysctl getting icmpstat size failed"); 240 return 0; 241 } 242 oldstat = initstat; 243 return 1; 244 } 245 246 void 247 reseticmp(void) 248 { 249 size_t len; 250 int name[4]; 251 252 name[0] = CTL_NET; 253 name[1] = PF_INET; 254 name[2] = IPPROTO_ICMP; 255 name[3] = ICMPCTL_STATS; 256 257 len = sizeof initstat; 258 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) { 259 error("sysctl getting icmpstat size failed"); 260 } 261 oldstat = initstat; 262 } 263 264 void 265 fetchicmp(void) 266 { 267 int name[4]; 268 size_t len; 269 270 oldstat = icmpstat; 271 name[0] = CTL_NET; 272 name[1] = PF_INET; 273 name[2] = IPPROTO_ICMP; 274 name[3] = ICMPCTL_STATS; 275 len = sizeof icmpstat; 276 277 if (sysctl(name, 4, &icmpstat, &len, 0, 0) < 0) 278 return; 279 } 280