bellard | f0cbd3e | 2004-04-22 00:10:48 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 1995 Danny Gasparovski. |
| 3 | * Portions copyright (c) 2000 Kelly Price. |
| 4 | * |
| 5 | * Please read the file COPYRIGHT for the |
| 6 | * terms and conditions of the copyright. |
| 7 | */ |
| 8 | |
| 9 | #include <slirp.h> |
| 10 | |
| 11 | FILE *dfd = NULL; |
| 12 | #ifdef DEBUG |
| 13 | int dostats = 1; |
| 14 | #else |
| 15 | int dostats = 0; |
| 16 | #endif |
| 17 | int slirp_debug = 0; |
| 18 | |
| 19 | extern char *strerror _P((int)); |
| 20 | |
| 21 | /* Carry over one item from main.c so that the tty's restored. |
| 22 | * Only done when the tty being used is /dev/tty --RedWolf */ |
| 23 | extern struct termios slirp_tty_settings; |
| 24 | extern int slirp_tty_restore; |
| 25 | |
| 26 | |
| 27 | void |
| 28 | debug_init(file, dbg) |
| 29 | char *file; |
| 30 | int dbg; |
| 31 | { |
| 32 | /* Close the old debugging file */ |
| 33 | if (dfd) |
| 34 | fclose(dfd); |
| 35 | |
| 36 | dfd = fopen(file,"w"); |
| 37 | if (dfd != NULL) { |
| 38 | #if 0 |
| 39 | fprintf(dfd,"Slirp %s - Debugging Started.\n", SLIRP_VERSION); |
| 40 | #endif |
| 41 | fprintf(dfd,"Debugging Started level %i.\r\n",dbg); |
| 42 | fflush(dfd); |
| 43 | slirp_debug = dbg; |
| 44 | } else { |
| 45 | lprint("Error: Debugging file \"%s\" could not be opened: %s\r\n", |
| 46 | file, strerror(errno)); |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | /* |
| 51 | * Dump a packet in the same format as tcpdump -x |
| 52 | */ |
| 53 | #ifdef DEBUG |
| 54 | void |
| 55 | dump_packet(dat, n) |
| 56 | void *dat; |
| 57 | int n; |
| 58 | { |
| 59 | u_char *pptr = (u_char *)dat; |
| 60 | int j,k; |
| 61 | |
| 62 | n /= 16; |
| 63 | n++; |
| 64 | DEBUG_MISC((dfd, "PACKET DUMPED: \n")); |
| 65 | for(j = 0; j < n; j++) { |
| 66 | for(k = 0; k < 6; k++) |
| 67 | DEBUG_MISC((dfd, "%02x ", *pptr++)); |
| 68 | DEBUG_MISC((dfd, "\n")); |
| 69 | fflush(dfd); |
| 70 | } |
| 71 | } |
| 72 | #endif |
| 73 | |
| 74 | #if 0 |
| 75 | /* |
| 76 | * Statistic routines |
| 77 | * |
| 78 | * These will print statistics to the screen, the debug file (dfd), or |
| 79 | * a buffer, depending on "type", so that the stats can be sent over |
| 80 | * the link as well. |
| 81 | */ |
| 82 | |
| 83 | void |
| 84 | ttystats(ttyp) |
| 85 | struct ttys *ttyp; |
| 86 | { |
| 87 | struct slirp_ifstats *is = &ttyp->ifstats; |
| 88 | char buff[512]; |
| 89 | |
| 90 | lprint(" \r\n"); |
| 91 | |
| 92 | if (if_comp & IF_COMPRESS) |
| 93 | strcpy(buff, "on"); |
| 94 | else if (if_comp & IF_NOCOMPRESS) |
| 95 | strcpy(buff, "off"); |
| 96 | else |
| 97 | strcpy(buff, "off (for now)"); |
| 98 | lprint("Unit %d:\r\n", ttyp->unit); |
| 99 | lprint(" using %s encapsulation (VJ compression is %s)\r\n", ( |
| 100 | #ifdef USE_PPP |
| 101 | ttyp->proto==PROTO_PPP?"PPP": |
| 102 | #endif |
| 103 | "SLIP"), buff); |
| 104 | lprint(" %d baudrate\r\n", ttyp->baud); |
| 105 | lprint(" interface is %s\r\n", ttyp->up?"up":"down"); |
| 106 | lprint(" using fd %d, guardian pid is %d\r\n", ttyp->fd, ttyp->pid); |
| 107 | #ifndef FULL_BOLT |
| 108 | lprint(" towrite is %d bytes\r\n", ttyp->towrite); |
| 109 | #endif |
| 110 | if (ttyp->zeros) |
| 111 | lprint(" %d zeros have been typed\r\n", ttyp->zeros); |
| 112 | else if (ttyp->ones) |
| 113 | lprint(" %d ones have been typed\r\n", ttyp->ones); |
| 114 | lprint("Interface stats:\r\n"); |
| 115 | lprint(" %6d output packets sent (%d bytes)\r\n", is->out_pkts, is->out_bytes); |
| 116 | lprint(" %6d output packets dropped (%d bytes)\r\n", is->out_errpkts, is->out_errbytes); |
| 117 | lprint(" %6d input packets received (%d bytes)\r\n", is->in_pkts, is->in_bytes); |
| 118 | lprint(" %6d input packets dropped (%d bytes)\r\n", is->in_errpkts, is->in_errbytes); |
| 119 | lprint(" %6d bad input packets\r\n", is->in_mbad); |
| 120 | } |
| 121 | |
| 122 | void |
| 123 | allttystats() |
| 124 | { |
| 125 | struct ttys *ttyp; |
| 126 | |
| 127 | for (ttyp = ttys; ttyp; ttyp = ttyp->next) |
| 128 | ttystats(ttyp); |
| 129 | } |
| 130 | #endif |
| 131 | |
| 132 | void |
| 133 | ipstats() |
| 134 | { |
| 135 | lprint(" \r\n"); |
| 136 | |
| 137 | lprint("IP stats:\r\n"); |
| 138 | lprint(" %6d total packets received (%d were unaligned)\r\n", |
| 139 | ipstat.ips_total, ipstat.ips_unaligned); |
| 140 | lprint(" %6d with incorrect version\r\n", ipstat.ips_badvers); |
| 141 | lprint(" %6d with bad header checksum\r\n", ipstat.ips_badsum); |
| 142 | lprint(" %6d with length too short (len < sizeof(iphdr))\r\n", ipstat.ips_tooshort); |
| 143 | lprint(" %6d with length too small (len < ip->len)\r\n", ipstat.ips_toosmall); |
| 144 | lprint(" %6d with bad header length\r\n", ipstat.ips_badhlen); |
| 145 | lprint(" %6d with bad packet length\r\n", ipstat.ips_badlen); |
| 146 | lprint(" %6d fragments received\r\n", ipstat.ips_fragments); |
| 147 | lprint(" %6d fragments dropped\r\n", ipstat.ips_fragdropped); |
| 148 | lprint(" %6d fragments timed out\r\n", ipstat.ips_fragtimeout); |
| 149 | lprint(" %6d packets reassembled ok\r\n", ipstat.ips_reassembled); |
| 150 | lprint(" %6d outgoing packets fragmented\r\n", ipstat.ips_fragmented); |
| 151 | lprint(" %6d total outgoing fragments\r\n", ipstat.ips_ofragments); |
| 152 | lprint(" %6d with bad protocol field\r\n", ipstat.ips_noproto); |
| 153 | lprint(" %6d total packets delivered\r\n", ipstat.ips_delivered); |
| 154 | } |
| 155 | |
| 156 | #if 0 |
| 157 | void |
| 158 | vjstats() |
| 159 | { |
| 160 | lprint(" \r\n"); |
| 161 | |
| 162 | lprint("VJ compression stats:\r\n"); |
| 163 | |
| 164 | lprint(" %6d outbound packets (%d compressed)\r\n", |
| 165 | comp_s.sls_packets, comp_s.sls_compressed); |
| 166 | lprint(" %6d searches for connection stats (%d misses)\r\n", |
| 167 | comp_s.sls_searches, comp_s.sls_misses); |
| 168 | lprint(" %6d inbound uncompressed packets\r\n", comp_s.sls_uncompressedin); |
| 169 | lprint(" %6d inbound compressed packets\r\n", comp_s.sls_compressedin); |
| 170 | lprint(" %6d inbound unknown type packets\r\n", comp_s.sls_errorin); |
| 171 | lprint(" %6d inbound packets tossed due to error\r\n", comp_s.sls_tossed); |
| 172 | } |
| 173 | #endif |
| 174 | |
| 175 | void |
| 176 | tcpstats() |
| 177 | { |
| 178 | lprint(" \r\n"); |
| 179 | |
| 180 | lprint("TCP stats:\r\n"); |
| 181 | |
| 182 | lprint(" %6d packets sent\r\n", tcpstat.tcps_sndtotal); |
| 183 | lprint(" %6d data packets (%d bytes)\r\n", |
| 184 | tcpstat.tcps_sndpack, tcpstat.tcps_sndbyte); |
| 185 | lprint(" %6d data packets retransmitted (%d bytes)\r\n", |
| 186 | tcpstat.tcps_sndrexmitpack, tcpstat.tcps_sndrexmitbyte); |
| 187 | lprint(" %6d ack-only packets (%d delayed)\r\n", |
| 188 | tcpstat.tcps_sndacks, tcpstat.tcps_delack); |
| 189 | lprint(" %6d URG only packets\r\n", tcpstat.tcps_sndurg); |
| 190 | lprint(" %6d window probe packets\r\n", tcpstat.tcps_sndprobe); |
| 191 | lprint(" %6d window update packets\r\n", tcpstat.tcps_sndwinup); |
| 192 | lprint(" %6d control (SYN/FIN/RST) packets\r\n", tcpstat.tcps_sndctrl); |
| 193 | lprint(" %6d times tcp_output did nothing\r\n", tcpstat.tcps_didnuttin); |
| 194 | |
| 195 | lprint(" %6d packets received\r\n", tcpstat.tcps_rcvtotal); |
| 196 | lprint(" %6d acks (for %d bytes)\r\n", |
| 197 | tcpstat.tcps_rcvackpack, tcpstat.tcps_rcvackbyte); |
| 198 | lprint(" %6d duplicate acks\r\n", tcpstat.tcps_rcvdupack); |
| 199 | lprint(" %6d acks for unsent data\r\n", tcpstat.tcps_rcvacktoomuch); |
| 200 | lprint(" %6d packets received in sequence (%d bytes)\r\n", |
| 201 | tcpstat.tcps_rcvpack, tcpstat.tcps_rcvbyte); |
| 202 | lprint(" %6d completely duplicate packets (%d bytes)\r\n", |
| 203 | tcpstat.tcps_rcvduppack, tcpstat.tcps_rcvdupbyte); |
| 204 | |
| 205 | lprint(" %6d packets with some duplicate data (%d bytes duped)\r\n", |
| 206 | tcpstat.tcps_rcvpartduppack, tcpstat.tcps_rcvpartdupbyte); |
| 207 | lprint(" %6d out-of-order packets (%d bytes)\r\n", |
| 208 | tcpstat.tcps_rcvoopack, tcpstat.tcps_rcvoobyte); |
| 209 | lprint(" %6d packets of data after window (%d bytes)\r\n", |
| 210 | tcpstat.tcps_rcvpackafterwin, tcpstat.tcps_rcvbyteafterwin); |
| 211 | lprint(" %6d window probes\r\n", tcpstat.tcps_rcvwinprobe); |
| 212 | lprint(" %6d window update packets\r\n", tcpstat.tcps_rcvwinupd); |
| 213 | lprint(" %6d packets received after close\r\n", tcpstat.tcps_rcvafterclose); |
| 214 | lprint(" %6d discarded for bad checksums\r\n", tcpstat.tcps_rcvbadsum); |
| 215 | lprint(" %6d discarded for bad header offset fields\r\n", |
| 216 | tcpstat.tcps_rcvbadoff); |
| 217 | |
| 218 | lprint(" %6d connection requests\r\n", tcpstat.tcps_connattempt); |
| 219 | lprint(" %6d connection accepts\r\n", tcpstat.tcps_accepts); |
| 220 | lprint(" %6d connections established (including accepts)\r\n", tcpstat.tcps_connects); |
| 221 | lprint(" %6d connections closed (including %d drop)\r\n", |
| 222 | tcpstat.tcps_closed, tcpstat.tcps_drops); |
| 223 | lprint(" %6d embryonic connections dropped\r\n", tcpstat.tcps_conndrops); |
| 224 | lprint(" %6d segments we tried to get rtt (%d succeeded)\r\n", |
| 225 | tcpstat.tcps_segstimed, tcpstat.tcps_rttupdated); |
| 226 | lprint(" %6d retransmit timeouts\r\n", tcpstat.tcps_rexmttimeo); |
| 227 | lprint(" %6d connections dropped by rxmt timeout\r\n", |
| 228 | tcpstat.tcps_timeoutdrop); |
| 229 | lprint(" %6d persist timeouts\r\n", tcpstat.tcps_persisttimeo); |
| 230 | lprint(" %6d keepalive timeouts\r\n", tcpstat.tcps_keeptimeo); |
| 231 | lprint(" %6d keepalive probes sent\r\n", tcpstat.tcps_keepprobe); |
| 232 | lprint(" %6d connections dropped by keepalive\r\n", tcpstat.tcps_keepdrops); |
| 233 | lprint(" %6d correct ACK header predictions\r\n", tcpstat.tcps_predack); |
| 234 | lprint(" %6d correct data packet header predictions\n", tcpstat.tcps_preddat); |
| 235 | lprint(" %6d TCP cache misses\r\n", tcpstat.tcps_socachemiss); |
| 236 | |
| 237 | |
| 238 | /* lprint(" Packets received too short: %d\r\n", tcpstat.tcps_rcvshort); */ |
| 239 | /* lprint(" Segments dropped due to PAWS: %d\r\n", tcpstat.tcps_pawsdrop); */ |
| 240 | |
| 241 | } |
| 242 | |
| 243 | void |
| 244 | udpstats() |
| 245 | { |
| 246 | lprint(" \r\n"); |
| 247 | |
| 248 | lprint("UDP stats:\r\n"); |
| 249 | lprint(" %6d datagrams received\r\n", udpstat.udps_ipackets); |
| 250 | lprint(" %6d with packets shorter than header\r\n", udpstat.udps_hdrops); |
| 251 | lprint(" %6d with bad checksums\r\n", udpstat.udps_badsum); |
| 252 | lprint(" %6d with data length larger than packet\r\n", udpstat.udps_badlen); |
| 253 | lprint(" %6d UDP socket cache misses\r\n", udpstat.udpps_pcbcachemiss); |
| 254 | lprint(" %6d datagrams sent\r\n", udpstat.udps_opackets); |
| 255 | } |
| 256 | |
| 257 | void |
| 258 | icmpstats() |
| 259 | { |
| 260 | lprint(" \r\n"); |
| 261 | lprint("ICMP stats:\r\n"); |
| 262 | lprint(" %6d ICMP packets received\r\n", icmpstat.icps_received); |
| 263 | lprint(" %6d were too short\r\n", icmpstat.icps_tooshort); |
| 264 | lprint(" %6d with bad checksums\r\n", icmpstat.icps_checksum); |
| 265 | lprint(" %6d with type not supported\r\n", icmpstat.icps_notsupp); |
| 266 | lprint(" %6d with bad type feilds\r\n", icmpstat.icps_badtype); |
| 267 | lprint(" %6d ICMP packets sent in reply\r\n", icmpstat.icps_reflect); |
| 268 | } |
| 269 | |
| 270 | void |
| 271 | mbufstats() |
| 272 | { |
| 273 | struct mbuf *m; |
| 274 | int i; |
| 275 | |
| 276 | lprint(" \r\n"); |
| 277 | |
| 278 | lprint("Mbuf stats:\r\n"); |
| 279 | |
| 280 | lprint(" %6d mbufs allocated (%d max)\r\n", mbuf_alloced, mbuf_max); |
| 281 | |
| 282 | i = 0; |
| 283 | for (m = m_freelist.m_next; m != &m_freelist; m = m->m_next) |
| 284 | i++; |
| 285 | lprint(" %6d mbufs on free list\r\n", i); |
| 286 | |
| 287 | i = 0; |
| 288 | for (m = m_usedlist.m_next; m != &m_usedlist; m = m->m_next) |
| 289 | i++; |
| 290 | lprint(" %6d mbufs on used list\r\n", i); |
| 291 | lprint(" %6d mbufs queued as packets\r\n\r\n", if_queued); |
| 292 | } |
| 293 | |
| 294 | void |
| 295 | sockstats() |
| 296 | { |
| 297 | char buff[256]; |
| 298 | int n; |
| 299 | struct socket *so; |
| 300 | |
| 301 | lprint(" \r\n"); |
| 302 | |
| 303 | lprint( |
| 304 | "Proto[state] Sock Local Address, Port Remote Address, Port RecvQ SendQ\r\n"); |
| 305 | |
| 306 | for (so = tcb.so_next; so != &tcb; so = so->so_next) { |
| 307 | |
| 308 | n = sprintf(buff, "tcp[%s]", so->so_tcpcb?tcpstates[so->so_tcpcb->t_state]:"NONE"); |
| 309 | while (n < 17) |
| 310 | buff[n++] = ' '; |
| 311 | buff[17] = 0; |
| 312 | lprint("%s %3d %15s %5d ", |
| 313 | buff, so->s, |
| 314 | inet_ntoa(so->so_laddr), ntohs(so->so_lport)); |
| 315 | lprint("%15s %5d %5d %5d\r\n", |
| 316 | inet_ntoa(so->so_faddr), ntohs(so->so_fport), |
| 317 | so->so_rcv.sb_cc, so->so_snd.sb_cc); |
| 318 | } |
| 319 | |
| 320 | for (so = udb.so_next; so != &udb; so = so->so_next) { |
| 321 | |
| 322 | n = sprintf(buff, "udp[%d sec]", (so->so_expire - curtime) / 1000); |
| 323 | while (n < 17) |
| 324 | buff[n++] = ' '; |
| 325 | buff[17] = 0; |
| 326 | lprint("%s %3d %15s %5d ", |
| 327 | buff, so->s, |
| 328 | inet_ntoa(so->so_laddr), ntohs(so->so_lport)); |
| 329 | lprint("%15s %5d %5d %5d\r\n", |
| 330 | inet_ntoa(so->so_faddr), ntohs(so->so_fport), |
| 331 | so->so_rcv.sb_cc, so->so_snd.sb_cc); |
| 332 | } |
| 333 | } |
| 334 | |
| 335 | #if 0 |
| 336 | void |
| 337 | slirp_exit(exit_status) |
| 338 | int exit_status; |
| 339 | { |
| 340 | struct ttys *ttyp; |
| 341 | |
| 342 | DEBUG_CALL("slirp_exit"); |
| 343 | DEBUG_ARG("exit_status = %d", exit_status); |
| 344 | |
| 345 | if (dostats) { |
| 346 | lprint_print = (int (*) _P((void *, const char *, va_list)))vfprintf; |
| 347 | if (!dfd) |
| 348 | debug_init("slirp_stats", 0xf); |
| 349 | lprint_arg = (char **)&dfd; |
| 350 | |
| 351 | ipstats(); |
| 352 | tcpstats(); |
| 353 | udpstats(); |
| 354 | icmpstats(); |
| 355 | mbufstats(); |
| 356 | sockstats(); |
| 357 | allttystats(); |
| 358 | vjstats(); |
| 359 | } |
| 360 | |
| 361 | for (ttyp = ttys; ttyp; ttyp = ttyp->next) |
| 362 | tty_detached(ttyp, 1); |
| 363 | |
| 364 | if (slirp_forked) { |
| 365 | /* Menendez time */ |
| 366 | if (kill(getppid(), SIGQUIT) < 0) |
| 367 | lprint("Couldn't kill parent process %ld!\n", |
| 368 | (long) getppid()); |
| 369 | } |
| 370 | |
| 371 | /* Restore the terminal if we gotta */ |
| 372 | if(slirp_tty_restore) |
| 373 | tcsetattr(0,TCSANOW, &slirp_tty_settings); /* NOW DAMMIT! */ |
| 374 | exit(exit_status); |
| 375 | } |
| 376 | #endif |