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("$FreeBSD$"); 37 38 #ifdef lint 39 static const 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_var.h> 55 #include <netinet/udp.h> 56 #include <netinet/udp_var.h> 57 58 #include <stdlib.h> 59 #include <string.h> 60 #include <paths.h> 61 62 #include "systat.h" 63 #include "extern.h" 64 #include "mode.h" 65 66 struct stat { 67 struct ipstat i; 68 struct udpstat u; 69 }; 70 71 static struct stat curstat, initstat, oldstat; 72 73 /*- 74 --0 1 2 3 4 5 6 7 75 --0123456789012345678901234567890123456789012345678901234567890123456789012345 76 00 IP Input IP Output 77 01999999999 total packets received 999999999 total packets sent 78 02999999999 - with bad checksums 999999999 - generated locally 79 03999999999 - too short for header 999999999 - output drops 80 04999999999 - too short for data 999999999 output fragments generated 81 05999999999 - with invalid hlen 999999999 - fragmentation failed 82 06999999999 - with invalid length 999999999 destinations unreachable 83 07999999999 - with invalid version 999999999 packets output via raw IP 84 08999999999 - jumbograms 85 09999999999 total fragments received UDP Statistics 86 10999999999 - fragments dropped 999999999 total input packets 87 11999999999 - fragments timed out 999999999 - too short for header 88 12999999999 - packets reassembled ok 999999999 - invalid checksum 89 13999999999 packets forwarded 999999999 - no checksum 90 14999999999 - unreachable dests 999999999 - invalid length 91 15999999999 - redirects generated 999999999 - no socket for dest port 92 16999999999 option errors 999999999 - no socket for broadcast 93 17999999999 unwanted multicasts 999999999 - socket buffer full 94 18999999999 delivered to upper layer 999999999 total output packets 95 --0123456789012345678901234567890123456789012345678901234567890123456789012345 96 --0 1 2 3 4 5 6 7 97 */ 98 99 WINDOW * 100 openip(void) 101 { 102 return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0)); 103 } 104 105 void 106 closeip(WINDOW *w) 107 { 108 if (w == NULL) 109 return; 110 wclear(w); 111 wrefresh(w); 112 delwin(w); 113 } 114 115 void 116 labelip(void) 117 { 118 wmove(wnd, 0, 0); wclrtoeol(wnd); 119 #define L(row, str) mvwprintw(wnd, row, 10, str) 120 #define R(row, str) mvwprintw(wnd, row, 45, str); 121 L(0, "IP Input"); R(0, "IP Output"); 122 L(1, "total packets received"); R(1, "total packets sent"); 123 L(2, "- with bad checksums"); R(2, "- generated locally"); 124 L(3, "- too short for header"); R(3, "- output drops"); 125 L(4, "- too short for data"); R(4, "output fragments generated"); 126 L(5, "- with invalid hlen"); R(5, "- fragmentation failed"); 127 L(6, "- with invalid length"); R(6, "destinations unreachable"); 128 L(7, "- with invalid version"); R(7, "packets output via raw IP"); 129 L(8, "- jumbograms"); 130 L(9, "total fragments received"); R(9, "UDP Statistics"); 131 L(10, "- fragments dropped"); R(10, "total input packets"); 132 L(11, "- fragments timed out"); R(11, "- too short for header"); 133 L(12, "- packets reassembled ok"); R(12, "- invalid checksum"); 134 L(13, "packets forwarded"); R(13, "- no checksum"); 135 L(14, "- unreachable dests"); R(14, "- invalid length"); 136 L(15, "- redirects generated"); R(15, "- no socket for dest port"); 137 L(16, "option errors"); R(16, "- no socket for broadcast"); 138 L(17, "unwanted multicasts"); R(17, "- socket buffer full"); 139 L(18, "delivered to upper layer"); R(18, "total output packets"); 140 #undef L 141 #undef R 142 } 143 144 static void 145 domode(struct stat *ret) 146 { 147 const struct stat *sub; 148 int divisor = 1; 149 150 switch(currentmode) { 151 case display_RATE: 152 sub = &oldstat; 153 divisor = naptime; 154 break; 155 case display_DELTA: 156 sub = &oldstat; 157 break; 158 case display_SINCE: 159 sub = &initstat; 160 break; 161 default: 162 *ret = curstat; 163 return; 164 } 165 #define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor 166 DO(i.ips_total); 167 DO(i.ips_badsum); 168 DO(i.ips_tooshort); 169 DO(i.ips_toosmall); 170 DO(i.ips_badhlen); 171 DO(i.ips_badlen); 172 DO(i.ips_fragments); 173 DO(i.ips_fragdropped); 174 DO(i.ips_fragtimeout); 175 DO(i.ips_forward); 176 DO(i.ips_cantforward); 177 DO(i.ips_redirectsent); 178 DO(i.ips_noproto); 179 DO(i.ips_delivered); 180 DO(i.ips_localout); 181 DO(i.ips_odropped); 182 DO(i.ips_reassembled); 183 DO(i.ips_fragmented); 184 DO(i.ips_ofragments); 185 DO(i.ips_cantfrag); 186 DO(i.ips_badoptions); 187 DO(i.ips_noroute); 188 DO(i.ips_badvers); 189 DO(i.ips_rawout); 190 DO(i.ips_toolong); 191 DO(i.ips_notmember); 192 DO(u.udps_ipackets); 193 DO(u.udps_hdrops); 194 DO(u.udps_badsum); 195 DO(u.udps_nosum); 196 DO(u.udps_badlen); 197 DO(u.udps_noport); 198 DO(u.udps_noportbcast); 199 DO(u.udps_fullsock); 200 DO(u.udps_opackets); 201 #undef DO 202 } 203 204 void 205 showip(void) 206 { 207 struct stat stats; 208 u_long totalout; 209 210 domode(&stats); 211 totalout = stats.i.ips_forward + stats.i.ips_localout; 212 213 #define DO(stat, row, col) \ 214 mvwprintw(wnd, row, col, "%9lu", stats.stat) 215 216 DO(i.ips_total, 1, 0); 217 mvwprintw(wnd, 1, 35, "%9lu", totalout); 218 DO(i.ips_badsum, 2, 0); 219 DO(i.ips_localout, 2, 35); 220 DO(i.ips_tooshort, 3, 0); 221 DO(i.ips_odropped, 3, 35); 222 DO(i.ips_toosmall, 4, 0); 223 DO(i.ips_ofragments, 4, 35); 224 DO(i.ips_badhlen, 5, 0); 225 DO(i.ips_cantfrag, 5, 35); 226 DO(i.ips_badlen, 6, 0); 227 DO(i.ips_noroute, 6, 35); 228 DO(i.ips_badvers, 7, 0); 229 DO(i.ips_rawout, 7, 35); 230 DO(i.ips_toolong, 8, 0); 231 DO(i.ips_fragments, 9, 0); 232 DO(i.ips_fragdropped, 10, 0); 233 DO(u.udps_ipackets, 10, 35); 234 DO(i.ips_fragtimeout, 11, 0); 235 DO(u.udps_hdrops, 11, 35); 236 DO(i.ips_reassembled, 12, 0); 237 DO(u.udps_badsum, 12, 35); 238 DO(i.ips_forward, 13, 0); 239 DO(u.udps_nosum, 13, 35); 240 DO(i.ips_cantforward, 14, 0); 241 DO(u.udps_badlen, 14, 35); 242 DO(i.ips_redirectsent, 15, 0); 243 DO(u.udps_noport, 15, 35); 244 DO(i.ips_badoptions, 16, 0); 245 DO(u.udps_noportbcast, 16, 35); 246 DO(i.ips_notmember, 17, 0); 247 DO(u.udps_fullsock, 17, 35); 248 DO(i.ips_delivered, 18, 0); 249 DO(u.udps_opackets, 18, 35); 250 #undef DO 251 } 252 253 int 254 initip(void) 255 { 256 size_t len; 257 int name[4]; 258 259 name[0] = CTL_NET; 260 name[1] = PF_INET; 261 name[2] = IPPROTO_IP; 262 name[3] = IPCTL_STATS; 263 264 len = 0; 265 if (sysctl(name, 4, 0, &len, 0, 0) < 0) { 266 error("sysctl getting ipstat size failed"); 267 return 0; 268 } 269 if (len > sizeof curstat.i) { 270 error("ipstat structure has grown--recompile systat!"); 271 return 0; 272 } 273 if (sysctl(name, 4, &initstat.i, &len, 0, 0) < 0) { 274 error("sysctl getting ipstat failed"); 275 return 0; 276 } 277 name[2] = IPPROTO_UDP; 278 name[3] = UDPCTL_STATS; 279 280 len = 0; 281 if (sysctl(name, 4, 0, &len, 0, 0) < 0) { 282 error("sysctl getting udpstat size failed"); 283 return 0; 284 } 285 if (len > sizeof curstat.u) { 286 error("ipstat structure has grown--recompile systat!"); 287 return 0; 288 } 289 if (sysctl(name, 4, &initstat.u, &len, 0, 0) < 0) { 290 error("sysctl getting udpstat failed"); 291 return 0; 292 } 293 oldstat = initstat; 294 return 1; 295 } 296 297 void 298 resetip(void) 299 { 300 size_t len; 301 int name[4]; 302 303 name[0] = CTL_NET; 304 name[1] = PF_INET; 305 name[2] = IPPROTO_IP; 306 name[3] = IPCTL_STATS; 307 308 len = sizeof initstat.i; 309 if (sysctl(name, 4, &initstat.i, &len, 0, 0) < 0) { 310 error("sysctl getting ipstat failed"); 311 } 312 name[2] = IPPROTO_UDP; 313 name[3] = UDPCTL_STATS; 314 315 len = sizeof initstat.u; 316 if (sysctl(name, 4, &initstat.u, &len, 0, 0) < 0) { 317 error("sysctl getting udpstat failed"); 318 } 319 oldstat = initstat; 320 } 321 322 void 323 fetchip(void) 324 { 325 int name[4]; 326 size_t len; 327 328 oldstat = curstat; 329 name[0] = CTL_NET; 330 name[1] = PF_INET; 331 name[2] = IPPROTO_IP; 332 name[3] = IPCTL_STATS; 333 len = sizeof curstat.i; 334 335 if (sysctl(name, 4, &curstat.i, &len, 0, 0) < 0) 336 return; 337 name[2] = IPPROTO_UDP; 338 name[3] = UDPCTL_STATS; 339 len = sizeof curstat.u; 340 341 if (sysctl(name, 4, &curstat.u, &len, 0, 0) < 0) 342 return; 343 } 344 345