| /* |
| * Copyright (c) 1995 Danny Gasparovski. |
| * Portions copyright (c) 2000 Kelly Price. |
| * |
| * Please read the file COPYRIGHT for the |
| * terms and conditions of the copyright. |
| */ |
| |
| #include <slirp.h> |
| |
| FILE *dfd = NULL; |
| #ifdef DEBUG |
| int dostats = 1; |
| #else |
| int dostats = 0; |
| #endif |
| int slirp_debug = 0; |
| |
| /* Carry over one item from main.c so that the tty's restored. |
| * Only done when the tty being used is /dev/tty --RedWolf */ |
| #ifndef CONFIG_QEMU |
| extern struct termios slirp_tty_settings; |
| extern int slirp_tty_restore; |
| |
| |
| void |
| debug_init(file, dbg) |
| char *file; |
| int dbg; |
| { |
| /* Close the old debugging file */ |
| if (dfd) |
| fclose(dfd); |
| |
| dfd = fopen(file,"w"); |
| if (dfd != NULL) { |
| #if 0 |
| fprintf(dfd,"Slirp %s - Debugging Started.\n", SLIRP_VERSION); |
| #endif |
| fprintf(dfd,"Debugging Started level %i.\r\n",dbg); |
| fflush(dfd); |
| slirp_debug = dbg; |
| } else { |
| lprint("Error: Debugging file \"%s\" could not be opened: %s\r\n", |
| file, strerror(errno)); |
| } |
| } |
| |
| /* |
| * Dump a packet in the same format as tcpdump -x |
| */ |
| #ifdef DEBUG |
| void |
| dump_packet(dat, n) |
| void *dat; |
| int n; |
| { |
| u_char *pptr = (u_char *)dat; |
| int j,k; |
| |
| n /= 16; |
| n++; |
| DEBUG_MISC((dfd, "PACKET DUMPED: \n")); |
| for(j = 0; j < n; j++) { |
| for(k = 0; k < 6; k++) |
| DEBUG_MISC((dfd, "%02x ", *pptr++)); |
| DEBUG_MISC((dfd, "\n")); |
| fflush(dfd); |
| } |
| } |
| #endif |
| #endif |
| |
| #ifdef LOG_ENABLED |
| #if 0 |
| /* |
| * Statistic routines |
| * |
| * These will print statistics to the screen, the debug file (dfd), or |
| * a buffer, depending on "type", so that the stats can be sent over |
| * the link as well. |
| */ |
| |
| static void |
| ttystats(ttyp) |
| struct ttys *ttyp; |
| { |
| struct slirp_ifstats *is = &ttyp->ifstats; |
| char buff[512]; |
| |
| lprint(" \r\n"); |
| |
| if (IF_COMP & IF_COMPRESS) |
| strcpy(buff, "on"); |
| else if (IF_COMP & IF_NOCOMPRESS) |
| strcpy(buff, "off"); |
| else |
| strcpy(buff, "off (for now)"); |
| lprint("Unit %d:\r\n", ttyp->unit); |
| lprint(" using %s encapsulation (VJ compression is %s)\r\n", ( |
| #ifdef USE_PPP |
| ttyp->proto==PROTO_PPP?"PPP": |
| #endif |
| "SLIP"), buff); |
| lprint(" %d baudrate\r\n", ttyp->baud); |
| lprint(" interface is %s\r\n", ttyp->up?"up":"down"); |
| lprint(" using fd %d, guardian pid is %d\r\n", ttyp->fd, ttyp->pid); |
| #ifndef FULL_BOLT |
| lprint(" towrite is %d bytes\r\n", ttyp->towrite); |
| #endif |
| if (ttyp->zeros) |
| lprint(" %d zeros have been typed\r\n", ttyp->zeros); |
| else if (ttyp->ones) |
| lprint(" %d ones have been typed\r\n", ttyp->ones); |
| lprint("Interface stats:\r\n"); |
| lprint(" %6d output packets sent (%d bytes)\r\n", is->out_pkts, is->out_bytes); |
| lprint(" %6d output packets dropped (%d bytes)\r\n", is->out_errpkts, is->out_errbytes); |
| lprint(" %6d input packets received (%d bytes)\r\n", is->in_pkts, is->in_bytes); |
| lprint(" %6d input packets dropped (%d bytes)\r\n", is->in_errpkts, is->in_errbytes); |
| lprint(" %6d bad input packets\r\n", is->in_mbad); |
| } |
| |
| static void |
| allttystats(void) |
| { |
| struct ttys *ttyp; |
| |
| for (ttyp = ttys; ttyp; ttyp = ttyp->next) |
| ttystats(ttyp); |
| } |
| #endif |
| |
| static void |
| ipstats(void) |
| { |
| lprint(" \r\n"); |
| |
| lprint("IP stats:\r\n"); |
| lprint(" %6d total packets received (%d were unaligned)\r\n", |
| ipstat.ips_total, ipstat.ips_unaligned); |
| lprint(" %6d with incorrect version\r\n", ipstat.ips_badvers); |
| lprint(" %6d with bad header checksum\r\n", ipstat.ips_badsum); |
| lprint(" %6d with length too short (len < sizeof(iphdr))\r\n", ipstat.ips_tooshort); |
| lprint(" %6d with length too small (len < ip->len)\r\n", ipstat.ips_toosmall); |
| lprint(" %6d with bad header length\r\n", ipstat.ips_badhlen); |
| lprint(" %6d with bad packet length\r\n", ipstat.ips_badlen); |
| lprint(" %6d fragments received\r\n", ipstat.ips_fragments); |
| lprint(" %6d fragments dropped\r\n", ipstat.ips_fragdropped); |
| lprint(" %6d fragments timed out\r\n", ipstat.ips_fragtimeout); |
| lprint(" %6d packets reassembled ok\r\n", ipstat.ips_reassembled); |
| lprint(" %6d outgoing packets fragmented\r\n", ipstat.ips_fragmented); |
| lprint(" %6d total outgoing fragments\r\n", ipstat.ips_ofragments); |
| lprint(" %6d with bad protocol field\r\n", ipstat.ips_noproto); |
| lprint(" %6d total packets delivered\r\n", ipstat.ips_delivered); |
| } |
| |
| #ifndef CONFIG_QEMU |
| static void |
| vjstats(void) |
| { |
| lprint(" \r\n"); |
| |
| lprint("VJ compression stats:\r\n"); |
| |
| lprint(" %6d outbound packets (%d compressed)\r\n", |
| comp_s.sls_packets, comp_s.sls_compressed); |
| lprint(" %6d searches for connection stats (%d misses)\r\n", |
| comp_s.sls_searches, comp_s.sls_misses); |
| lprint(" %6d inbound uncompressed packets\r\n", comp_s.sls_uncompressedin); |
| lprint(" %6d inbound compressed packets\r\n", comp_s.sls_compressedin); |
| lprint(" %6d inbound unknown type packets\r\n", comp_s.sls_errorin); |
| lprint(" %6d inbound packets tossed due to error\r\n", comp_s.sls_tossed); |
| } |
| #endif |
| |
| static void |
| tcpstats(void) |
| { |
| lprint(" \r\n"); |
| |
| lprint("TCP stats:\r\n"); |
| |
| lprint(" %6d packets sent\r\n", tcpstat.tcps_sndtotal); |
| lprint(" %6d data packets (%d bytes)\r\n", |
| tcpstat.tcps_sndpack, tcpstat.tcps_sndbyte); |
| lprint(" %6d data packets retransmitted (%d bytes)\r\n", |
| tcpstat.tcps_sndrexmitpack, tcpstat.tcps_sndrexmitbyte); |
| lprint(" %6d ack-only packets (%d delayed)\r\n", |
| tcpstat.tcps_sndacks, tcpstat.tcps_delack); |
| lprint(" %6d URG only packets\r\n", tcpstat.tcps_sndurg); |
| lprint(" %6d window probe packets\r\n", tcpstat.tcps_sndprobe); |
| lprint(" %6d window update packets\r\n", tcpstat.tcps_sndwinup); |
| lprint(" %6d control (SYN/FIN/RST) packets\r\n", tcpstat.tcps_sndctrl); |
| lprint(" %6d times tcp_output did nothing\r\n", tcpstat.tcps_didnuttin); |
| |
| lprint(" %6d packets received\r\n", tcpstat.tcps_rcvtotal); |
| lprint(" %6d acks (for %d bytes)\r\n", |
| tcpstat.tcps_rcvackpack, tcpstat.tcps_rcvackbyte); |
| lprint(" %6d duplicate acks\r\n", tcpstat.tcps_rcvdupack); |
| lprint(" %6d acks for unsent data\r\n", tcpstat.tcps_rcvacktoomuch); |
| lprint(" %6d packets received in sequence (%d bytes)\r\n", |
| tcpstat.tcps_rcvpack, tcpstat.tcps_rcvbyte); |
| lprint(" %6d completely duplicate packets (%d bytes)\r\n", |
| tcpstat.tcps_rcvduppack, tcpstat.tcps_rcvdupbyte); |
| |
| lprint(" %6d packets with some duplicate data (%d bytes duped)\r\n", |
| tcpstat.tcps_rcvpartduppack, tcpstat.tcps_rcvpartdupbyte); |
| lprint(" %6d out-of-order packets (%d bytes)\r\n", |
| tcpstat.tcps_rcvoopack, tcpstat.tcps_rcvoobyte); |
| lprint(" %6d packets of data after window (%d bytes)\r\n", |
| tcpstat.tcps_rcvpackafterwin, tcpstat.tcps_rcvbyteafterwin); |
| lprint(" %6d window probes\r\n", tcpstat.tcps_rcvwinprobe); |
| lprint(" %6d window update packets\r\n", tcpstat.tcps_rcvwinupd); |
| lprint(" %6d packets received after close\r\n", tcpstat.tcps_rcvafterclose); |
| lprint(" %6d discarded for bad checksums\r\n", tcpstat.tcps_rcvbadsum); |
| lprint(" %6d discarded for bad header offset fields\r\n", |
| tcpstat.tcps_rcvbadoff); |
| |
| lprint(" %6d connection requests\r\n", tcpstat.tcps_connattempt); |
| lprint(" %6d connection accepts\r\n", tcpstat.tcps_accepts); |
| lprint(" %6d connections established (including accepts)\r\n", tcpstat.tcps_connects); |
| lprint(" %6d connections closed (including %d drop)\r\n", |
| tcpstat.tcps_closed, tcpstat.tcps_drops); |
| lprint(" %6d embryonic connections dropped\r\n", tcpstat.tcps_conndrops); |
| lprint(" %6d segments we tried to get rtt (%d succeeded)\r\n", |
| tcpstat.tcps_segstimed, tcpstat.tcps_rttupdated); |
| lprint(" %6d retransmit timeouts\r\n", tcpstat.tcps_rexmttimeo); |
| lprint(" %6d connections dropped by rxmt timeout\r\n", |
| tcpstat.tcps_timeoutdrop); |
| lprint(" %6d persist timeouts\r\n", tcpstat.tcps_persisttimeo); |
| lprint(" %6d keepalive timeouts\r\n", tcpstat.tcps_keeptimeo); |
| lprint(" %6d keepalive probes sent\r\n", tcpstat.tcps_keepprobe); |
| lprint(" %6d connections dropped by keepalive\r\n", tcpstat.tcps_keepdrops); |
| lprint(" %6d correct ACK header predictions\r\n", tcpstat.tcps_predack); |
| lprint(" %6d correct data packet header predictions\n", tcpstat.tcps_preddat); |
| lprint(" %6d TCP cache misses\r\n", tcpstat.tcps_socachemiss); |
| |
| |
| /* lprint(" Packets received too short: %d\r\n", tcpstat.tcps_rcvshort); */ |
| /* lprint(" Segments dropped due to PAWS: %d\r\n", tcpstat.tcps_pawsdrop); */ |
| |
| } |
| |
| static void |
| udpstats(void) |
| { |
| lprint(" \r\n"); |
| |
| lprint("UDP stats:\r\n"); |
| lprint(" %6d datagrams received\r\n", udpstat.udps_ipackets); |
| lprint(" %6d with packets shorter than header\r\n", udpstat.udps_hdrops); |
| lprint(" %6d with bad checksums\r\n", udpstat.udps_badsum); |
| lprint(" %6d with data length larger than packet\r\n", udpstat.udps_badlen); |
| lprint(" %6d UDP socket cache misses\r\n", udpstat.udpps_pcbcachemiss); |
| lprint(" %6d datagrams sent\r\n", udpstat.udps_opackets); |
| } |
| |
| static void |
| icmpstats(void) |
| { |
| lprint(" \r\n"); |
| lprint("ICMP stats:\r\n"); |
| lprint(" %6d ICMP packets received\r\n", icmpstat.icps_received); |
| lprint(" %6d were too short\r\n", icmpstat.icps_tooshort); |
| lprint(" %6d with bad checksums\r\n", icmpstat.icps_checksum); |
| lprint(" %6d with type not supported\r\n", icmpstat.icps_notsupp); |
| lprint(" %6d with bad type feilds\r\n", icmpstat.icps_badtype); |
| lprint(" %6d ICMP packets sent in reply\r\n", icmpstat.icps_reflect); |
| } |
| |
| static void |
| mbufstats(void) |
| { |
| struct mbuf *m; |
| int i; |
| |
| lprint(" \r\n"); |
| |
| lprint("Mbuf stats:\r\n"); |
| |
| lprint(" %6d mbufs allocated (%d max)\r\n", mbuf_alloced, mbuf_max); |
| |
| i = 0; |
| for (m = m_freelist.m_next; m != &m_freelist; m = m->m_next) |
| i++; |
| lprint(" %6d mbufs on free list\r\n", i); |
| |
| i = 0; |
| for (m = m_usedlist.m_next; m != &m_usedlist; m = m->m_next) |
| i++; |
| lprint(" %6d mbufs on used list\r\n", i); |
| lprint(" %6d mbufs queued as packets\r\n\r\n", if_queued); |
| } |
| |
| static void |
| sockstats(void) |
| { |
| char buff[256]; |
| int n; |
| struct socket *so; |
| |
| lprint(" \r\n"); |
| |
| lprint( |
| "Proto[state] Sock Local Address, Port Remote Address, Port RecvQ SendQ\r\n"); |
| |
| for (so = tcb.so_next; so != &tcb; so = so->so_next) { |
| |
| n = sprintf(buff, "tcp[%s]", so->so_tcpcb?tcpstates[so->so_tcpcb->t_state]:"NONE"); |
| while (n < 17) |
| buff[n++] = ' '; |
| buff[17] = 0; |
| lprint("%s %3d %15s %5d ", |
| buff, so->s, |
| inet_ntoa(so->so_laddr), ntohs(so->so_lport)); |
| lprint("%15s %5d %5d %5d\r\n", |
| inet_ntoa(so->so_faddr), ntohs(so->so_fport), |
| so->so_rcv.sb_cc, so->so_snd.sb_cc); |
| } |
| |
| for (so = udb.so_next; so != &udb; so = so->so_next) { |
| |
| n = sprintf(buff, "udp[%d sec]", (so->so_expire - curtime) / 1000); |
| while (n < 17) |
| buff[n++] = ' '; |
| buff[17] = 0; |
| lprint("%s %3d %15s %5d ", |
| buff, so->s, |
| inet_ntoa(so->so_laddr), ntohs(so->so_lport)); |
| lprint("%15s %5d %5d %5d\r\n", |
| inet_ntoa(so->so_faddr), ntohs(so->so_fport), |
| so->so_rcv.sb_cc, so->so_snd.sb_cc); |
| } |
| } |
| #endif |
| |
| #ifndef CONFIG_QEMU |
| void |
| slirp_exit(exit_status) |
| int exit_status; |
| { |
| struct ttys *ttyp; |
| |
| DEBUG_CALL("slirp_exit"); |
| DEBUG_ARG("exit_status = %d", exit_status); |
| |
| if (dostats) { |
| lprint_print = (int (*) _P((void *, const char *, va_list)))vfprintf; |
| if (!dfd) |
| debug_init("slirp_stats", 0xf); |
| lprint_arg = (char **)&dfd; |
| |
| ipstats(); |
| tcpstats(); |
| udpstats(); |
| icmpstats(); |
| mbufstats(); |
| sockstats(); |
| allttystats(); |
| vjstats(); |
| } |
| |
| for (ttyp = ttys; ttyp; ttyp = ttyp->next) |
| tty_detached(ttyp, 1); |
| |
| if (slirp_forked) { |
| /* Menendez time */ |
| if (kill(getppid(), SIGQUIT) < 0) |
| lprint("Couldn't kill parent process %ld!\n", |
| (long) getppid()); |
| } |
| |
| /* Restore the terminal if we gotta */ |
| if(slirp_tty_restore) |
| tcsetattr(0,TCSANOW, &slirp_tty_settings); /* NOW DAMMIT! */ |
| exit(exit_status); |
| } |
| #endif |
| |
| void |
| slirp_stats(void) |
| { |
| #ifdef LOG_ENABLED |
| ipstats(); |
| tcpstats(); |
| udpstats(); |
| icmpstats(); |
| mbufstats(); |
| sockstats(); |
| #else |
| lprint("SLIRP statistics code not compiled.\n"); |
| #endif |
| } |