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1.1 ! root 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: /* Carry over one item from main.c so that the tty's restored. ! 20: * Only done when the tty being used is /dev/tty --RedWolf */ ! 21: extern struct termios slirp_tty_settings; ! 22: extern int slirp_tty_restore; ! 23: ! 24: ! 25: void ! 26: debug_init(file, dbg) ! 27: char *file; ! 28: int dbg; ! 29: { ! 30: /* Close the old debugging file */ ! 31: if (dfd) ! 32: fclose(dfd); ! 33: ! 34: dfd = fopen(file,"w"); ! 35: if (dfd != NULL) { ! 36: #if 0 ! 37: fprintf(dfd,"Slirp %s - Debugging Started.\n", SLIRP_VERSION); ! 38: #endif ! 39: fprintf(dfd,"Debugging Started level %i.\r\n",dbg); ! 40: fflush(dfd); ! 41: slirp_debug = dbg; ! 42: } else { ! 43: lprint("Error: Debugging file \"%s\" could not be opened: %s\r\n", ! 44: file, strerror(errno)); ! 45: } ! 46: } ! 47: ! 48: #if 0 ! 49: ! 50: /* ! 51: * Dump a packet in the same format as tcpdump -x ! 52: */ ! 53: #ifdef DEBUG ! 54: static void ! 55: dump_packet(void *dat, int n) ! 56: { ! 57: u_char *pptr = (u_char *)dat; ! 58: int j,k; ! 59: ! 60: n /= 16; ! 61: n++; ! 62: DEBUG_MISC((dfd, "PACKET DUMPED: \n")); ! 63: for(j = 0; j < n; j++) { ! 64: for(k = 0; k < 6; k++) ! 65: DEBUG_MISC((dfd, "%02x ", *pptr++)); ! 66: DEBUG_MISC((dfd, "\n")); ! 67: fflush(dfd); ! 68: } ! 69: } ! 70: #endif ! 71: ! 72: /* ! 73: * Statistic routines ! 74: * ! 75: * These will print statistics to the screen, the debug file (dfd), or ! 76: * a buffer, depending on "type", so that the stats can be sent over ! 77: * the link as well. ! 78: */ ! 79: ! 80: void ! 81: ttystats(ttyp) ! 82: struct ttys *ttyp; ! 83: { ! 84: struct slirp_ifstats *is = &ttyp->ifstats; ! 85: char buff[512]; ! 86: ! 87: lprint(" \r\n"); ! 88: ! 89: if (if_comp & IF_COMPRESS) ! 90: strcpy(buff, "on"); ! 91: else if (if_comp & IF_NOCOMPRESS) ! 92: strcpy(buff, "off"); ! 93: else ! 94: strcpy(buff, "off (for now)"); ! 95: lprint("Unit %d:\r\n", ttyp->unit); ! 96: lprint(" using %s encapsulation (VJ compression is %s)\r\n", ( ! 97: #ifdef USE_PPP ! 98: ttyp->proto==PROTO_PPP?"PPP": ! 99: #endif ! 100: "SLIP"), buff); ! 101: lprint(" %d baudrate\r\n", ttyp->baud); ! 102: lprint(" interface is %s\r\n", ttyp->up?"up":"down"); ! 103: lprint(" using fd %d, guardian pid is %d\r\n", ttyp->fd, ttyp->pid); ! 104: #ifndef FULL_BOLT ! 105: lprint(" towrite is %d bytes\r\n", ttyp->towrite); ! 106: #endif ! 107: if (ttyp->zeros) ! 108: lprint(" %d zeros have been typed\r\n", ttyp->zeros); ! 109: else if (ttyp->ones) ! 110: lprint(" %d ones have been typed\r\n", ttyp->ones); ! 111: lprint("Interface stats:\r\n"); ! 112: lprint(" %6d output packets sent (%d bytes)\r\n", is->out_pkts, is->out_bytes); ! 113: lprint(" %6d output packets dropped (%d bytes)\r\n", is->out_errpkts, is->out_errbytes); ! 114: lprint(" %6d input packets received (%d bytes)\r\n", is->in_pkts, is->in_bytes); ! 115: lprint(" %6d input packets dropped (%d bytes)\r\n", is->in_errpkts, is->in_errbytes); ! 116: lprint(" %6d bad input packets\r\n", is->in_mbad); ! 117: } ! 118: ! 119: void ! 120: allttystats() ! 121: { ! 122: struct ttys *ttyp; ! 123: ! 124: for (ttyp = ttys; ttyp; ttyp = ttyp->next) ! 125: ttystats(ttyp); ! 126: } ! 127: #endif ! 128: ! 129: void ! 130: ipstats() ! 131: { ! 132: lprint(" \r\n"); ! 133: ! 134: lprint("IP stats:\r\n"); ! 135: lprint(" %6d total packets received (%d were unaligned)\r\n", ! 136: ipstat.ips_total, ipstat.ips_unaligned); ! 137: lprint(" %6d with incorrect version\r\n", ipstat.ips_badvers); ! 138: lprint(" %6d with bad header checksum\r\n", ipstat.ips_badsum); ! 139: lprint(" %6d with length too short (len < sizeof(iphdr))\r\n", ipstat.ips_tooshort); ! 140: lprint(" %6d with length too small (len < ip->len)\r\n", ipstat.ips_toosmall); ! 141: lprint(" %6d with bad header length\r\n", ipstat.ips_badhlen); ! 142: lprint(" %6d with bad packet length\r\n", ipstat.ips_badlen); ! 143: lprint(" %6d fragments received\r\n", ipstat.ips_fragments); ! 144: lprint(" %6d fragments dropped\r\n", ipstat.ips_fragdropped); ! 145: lprint(" %6d fragments timed out\r\n", ipstat.ips_fragtimeout); ! 146: lprint(" %6d packets reassembled ok\r\n", ipstat.ips_reassembled); ! 147: lprint(" %6d outgoing packets fragmented\r\n", ipstat.ips_fragmented); ! 148: lprint(" %6d total outgoing fragments\r\n", ipstat.ips_ofragments); ! 149: lprint(" %6d with bad protocol field\r\n", ipstat.ips_noproto); ! 150: lprint(" %6d total packets delivered\r\n", ipstat.ips_delivered); ! 151: } ! 152: ! 153: #if 0 ! 154: void ! 155: vjstats() ! 156: { ! 157: lprint(" \r\n"); ! 158: ! 159: lprint("VJ compression stats:\r\n"); ! 160: ! 161: lprint(" %6d outbound packets (%d compressed)\r\n", ! 162: comp_s.sls_packets, comp_s.sls_compressed); ! 163: lprint(" %6d searches for connection stats (%d misses)\r\n", ! 164: comp_s.sls_searches, comp_s.sls_misses); ! 165: lprint(" %6d inbound uncompressed packets\r\n", comp_s.sls_uncompressedin); ! 166: lprint(" %6d inbound compressed packets\r\n", comp_s.sls_compressedin); ! 167: lprint(" %6d inbound unknown type packets\r\n", comp_s.sls_errorin); ! 168: lprint(" %6d inbound packets tossed due to error\r\n", comp_s.sls_tossed); ! 169: } ! 170: #endif ! 171: ! 172: void ! 173: tcpstats() ! 174: { ! 175: lprint(" \r\n"); ! 176: ! 177: lprint("TCP stats:\r\n"); ! 178: ! 179: lprint(" %6d packets sent\r\n", tcpstat.tcps_sndtotal); ! 180: lprint(" %6d data packets (%d bytes)\r\n", ! 181: tcpstat.tcps_sndpack, tcpstat.tcps_sndbyte); ! 182: lprint(" %6d data packets retransmitted (%d bytes)\r\n", ! 183: tcpstat.tcps_sndrexmitpack, tcpstat.tcps_sndrexmitbyte); ! 184: lprint(" %6d ack-only packets (%d delayed)\r\n", ! 185: tcpstat.tcps_sndacks, tcpstat.tcps_delack); ! 186: lprint(" %6d URG only packets\r\n", tcpstat.tcps_sndurg); ! 187: lprint(" %6d window probe packets\r\n", tcpstat.tcps_sndprobe); ! 188: lprint(" %6d window update packets\r\n", tcpstat.tcps_sndwinup); ! 189: lprint(" %6d control (SYN/FIN/RST) packets\r\n", tcpstat.tcps_sndctrl); ! 190: lprint(" %6d times tcp_output did nothing\r\n", tcpstat.tcps_didnuttin); ! 191: ! 192: lprint(" %6d packets received\r\n", tcpstat.tcps_rcvtotal); ! 193: lprint(" %6d acks (for %d bytes)\r\n", ! 194: tcpstat.tcps_rcvackpack, tcpstat.tcps_rcvackbyte); ! 195: lprint(" %6d duplicate acks\r\n", tcpstat.tcps_rcvdupack); ! 196: lprint(" %6d acks for unsent data\r\n", tcpstat.tcps_rcvacktoomuch); ! 197: lprint(" %6d packets received in sequence (%d bytes)\r\n", ! 198: tcpstat.tcps_rcvpack, tcpstat.tcps_rcvbyte); ! 199: lprint(" %6d completely duplicate packets (%d bytes)\r\n", ! 200: tcpstat.tcps_rcvduppack, tcpstat.tcps_rcvdupbyte); ! 201: ! 202: lprint(" %6d packets with some duplicate data (%d bytes duped)\r\n", ! 203: tcpstat.tcps_rcvpartduppack, tcpstat.tcps_rcvpartdupbyte); ! 204: lprint(" %6d out-of-order packets (%d bytes)\r\n", ! 205: tcpstat.tcps_rcvoopack, tcpstat.tcps_rcvoobyte); ! 206: lprint(" %6d packets of data after window (%d bytes)\r\n", ! 207: tcpstat.tcps_rcvpackafterwin, tcpstat.tcps_rcvbyteafterwin); ! 208: lprint(" %6d window probes\r\n", tcpstat.tcps_rcvwinprobe); ! 209: lprint(" %6d window update packets\r\n", tcpstat.tcps_rcvwinupd); ! 210: lprint(" %6d packets received after close\r\n", tcpstat.tcps_rcvafterclose); ! 211: lprint(" %6d discarded for bad checksums\r\n", tcpstat.tcps_rcvbadsum); ! 212: lprint(" %6d discarded for bad header offset fields\r\n", ! 213: tcpstat.tcps_rcvbadoff); ! 214: ! 215: lprint(" %6d connection requests\r\n", tcpstat.tcps_connattempt); ! 216: lprint(" %6d connection accepts\r\n", tcpstat.tcps_accepts); ! 217: lprint(" %6d connections established (including accepts)\r\n", tcpstat.tcps_connects); ! 218: lprint(" %6d connections closed (including %d drop)\r\n", ! 219: tcpstat.tcps_closed, tcpstat.tcps_drops); ! 220: lprint(" %6d embryonic connections dropped\r\n", tcpstat.tcps_conndrops); ! 221: lprint(" %6d segments we tried to get rtt (%d succeeded)\r\n", ! 222: tcpstat.tcps_segstimed, tcpstat.tcps_rttupdated); ! 223: lprint(" %6d retransmit timeouts\r\n", tcpstat.tcps_rexmttimeo); ! 224: lprint(" %6d connections dropped by rxmt timeout\r\n", ! 225: tcpstat.tcps_timeoutdrop); ! 226: lprint(" %6d persist timeouts\r\n", tcpstat.tcps_persisttimeo); ! 227: lprint(" %6d keepalive timeouts\r\n", tcpstat.tcps_keeptimeo); ! 228: lprint(" %6d keepalive probes sent\r\n", tcpstat.tcps_keepprobe); ! 229: lprint(" %6d connections dropped by keepalive\r\n", tcpstat.tcps_keepdrops); ! 230: lprint(" %6d correct ACK header predictions\r\n", tcpstat.tcps_predack); ! 231: lprint(" %6d correct data packet header predictions\n", tcpstat.tcps_preddat); ! 232: lprint(" %6d TCP cache misses\r\n", tcpstat.tcps_socachemiss); ! 233: ! 234: ! 235: /* lprint(" Packets received too short: %d\r\n", tcpstat.tcps_rcvshort); */ ! 236: /* lprint(" Segments dropped due to PAWS: %d\r\n", tcpstat.tcps_pawsdrop); */ ! 237: ! 238: } ! 239: ! 240: void ! 241: udpstats() ! 242: { ! 243: lprint(" \r\n"); ! 244: ! 245: lprint("UDP stats:\r\n"); ! 246: lprint(" %6d datagrams received\r\n", udpstat.udps_ipackets); ! 247: lprint(" %6d with packets shorter than header\r\n", udpstat.udps_hdrops); ! 248: lprint(" %6d with bad checksums\r\n", udpstat.udps_badsum); ! 249: lprint(" %6d with data length larger than packet\r\n", udpstat.udps_badlen); ! 250: lprint(" %6d UDP socket cache misses\r\n", udpstat.udpps_pcbcachemiss); ! 251: lprint(" %6d datagrams sent\r\n", udpstat.udps_opackets); ! 252: } ! 253: ! 254: void ! 255: icmpstats() ! 256: { ! 257: lprint(" \r\n"); ! 258: lprint("ICMP stats:\r\n"); ! 259: lprint(" %6d ICMP packets received\r\n", icmpstat.icps_received); ! 260: lprint(" %6d were too short\r\n", icmpstat.icps_tooshort); ! 261: lprint(" %6d with bad checksums\r\n", icmpstat.icps_checksum); ! 262: lprint(" %6d with type not supported\r\n", icmpstat.icps_notsupp); ! 263: lprint(" %6d with bad type feilds\r\n", icmpstat.icps_badtype); ! 264: lprint(" %6d ICMP packets sent in reply\r\n", icmpstat.icps_reflect); ! 265: } ! 266: ! 267: void ! 268: mbufstats() ! 269: { ! 270: struct mbuf *m; ! 271: int i; ! 272: ! 273: lprint(" \r\n"); ! 274: ! 275: lprint("Mbuf stats:\r\n"); ! 276: ! 277: lprint(" %6d mbufs allocated (%d max)\r\n", mbuf_alloced, mbuf_max); ! 278: ! 279: i = 0; ! 280: for (m = m_freelist.m_next; m != &m_freelist; m = m->m_next) ! 281: i++; ! 282: lprint(" %6d mbufs on free list\r\n", i); ! 283: ! 284: i = 0; ! 285: for (m = m_usedlist.m_next; m != &m_usedlist; m = m->m_next) ! 286: i++; ! 287: lprint(" %6d mbufs on used list\r\n", i); ! 288: lprint(" %6d mbufs queued as packets\r\n\r\n", if_queued); ! 289: } ! 290: ! 291: void ! 292: sockstats() ! 293: { ! 294: char addr[INET_ADDRSTRLEN]; ! 295: char buff[256]; ! 296: int n; ! 297: struct socket *so; ! 298: ! 299: lprint(" \r\n"); ! 300: ! 301: lprint( ! 302: "Proto[state] Sock Local Address, Port Remote Address, Port RecvQ SendQ\r\n"); ! 303: ! 304: for (so = tcb.so_next; so != &tcb; so = so->so_next) { ! 305: ! 306: n = sprintf(buff, "tcp[%s]", so->so_tcpcb?tcpstates[so->so_tcpcb->t_state]:"NONE"); ! 307: while (n < 17) ! 308: buff[n++] = ' '; ! 309: buff[17] = 0; ! 310: lprint("%s %3d %15s %5d ", ! 311: buff, so->s, ! 312: inet_ntop(AF_INET, &so->so_laddr, addr, sizeof(addr)), ! 313: ntohs(so->so_lport)); ! 314: lprint("%15s %5d %5d %5d\r\n", ! 315: inet_ntop(AF_INET, &so->so_faddr, addr, sizeof(addr)), ! 316: 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_ntop(AF_INET, &so->so_laddr, addr, sizeof(addr)), ! 329: ntohs(so->so_lport)); ! 330: lprint("%15s %5d %5d %5d\r\n", ! 331: inet_ntop(AF_INET, &so->so_faddr, addr, sizeof(addr)), ! 332: ntohs(so->so_fport), ! 333: so->so_rcv.sb_cc, so->so_snd.sb_cc); ! 334: } ! 335: } ! 336: ! 337: #if 0 ! 338: void ! 339: slirp_exit(exit_status) ! 340: int exit_status; ! 341: { ! 342: struct ttys *ttyp; ! 343: ! 344: DEBUG_CALL("slirp_exit"); ! 345: DEBUG_ARG("exit_status = %d", exit_status); ! 346: ! 347: if (dostats) { ! 348: lprint_print = (int (*) _P((void *, const char *, va_list)))vfprintf; ! 349: if (!dfd) ! 350: debug_init("slirp_stats", 0xf); ! 351: lprint_arg = (char **)&dfd; ! 352: ! 353: ipstats(); ! 354: tcpstats(); ! 355: udpstats(); ! 356: icmpstats(); ! 357: mbufstats(); ! 358: sockstats(); ! 359: allttystats(); ! 360: vjstats(); ! 361: } ! 362: ! 363: for (ttyp = ttys; ttyp; ttyp = ttyp->next) ! 364: tty_detached(ttyp, 1); ! 365: ! 366: if (slirp_forked) { ! 367: /* Menendez time */ ! 368: if (kill(getppid(), SIGQUIT) < 0) ! 369: lprint("Couldn't kill parent process %ld!\n", ! 370: (long) getppid()); ! 371: } ! 372: ! 373: /* Restore the terminal if we gotta */ ! 374: if(slirp_tty_restore) ! 375: tcsetattr(0,TCSANOW, &slirp_tty_settings); /* NOW DAMMIT! */ ! 376: exit(exit_status); ! 377: } ! 378: #endif
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