diff options
author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-04-22 00:10:48 +0000 |
---|---|---|
committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-04-22 00:10:48 +0000 |
commit | f0cbd3ec9f4a3de1a9ef94deda09704543889f44 (patch) | |
tree | 153d540a8c714054614f5f368a3d23432f915f17 /slirp/debug.c | |
parent | 7c1f25b46a7c9c4b953976631ae94a07e4ba531a (diff) | |
download | hqemu-f0cbd3ec9f4a3de1a9ef94deda09704543889f44.zip hqemu-f0cbd3ec9f4a3de1a9ef94deda09704543889f44.tar.gz |
initial user mode network support
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@733 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'slirp/debug.c')
-rw-r--r-- | slirp/debug.c | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/slirp/debug.c b/slirp/debug.c new file mode 100644 index 0000000..d3d8c57 --- /dev/null +++ b/slirp/debug.c @@ -0,0 +1,376 @@ +/* + * 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; + +extern char *strerror _P((int)); + +/* Carry over one item from main.c so that the tty's restored. + * Only done when the tty being used is /dev/tty --RedWolf */ +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 + +#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. + */ + +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); +} + +void +allttystats() +{ + struct ttys *ttyp; + + for (ttyp = ttys; ttyp; ttyp = ttyp->next) + ttystats(ttyp); +} +#endif + +void +ipstats() +{ + 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); +} + +#if 0 +void +vjstats() +{ + 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 + +void +tcpstats() +{ + 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); */ + +} + +void +udpstats() +{ + 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); +} + +void +icmpstats() +{ + 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); +} + +void +mbufstats() +{ + 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); +} + +void +sockstats() +{ + 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); + } +} + +#if 0 +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 |