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-rw-r--r--slirp2/debug.c352
1 files changed, 352 insertions, 0 deletions
diff --git a/slirp2/debug.c b/slirp2/debug.c
new file mode 100644
index 0000000..f3a424d
--- /dev/null
+++ b/slirp2/debug.c
@@ -0,0 +1,352 @@
+/*
+ * 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 {
+ fprintf(stderr, "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
+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_iptostr(so->so_laddr_ip), so->so_laddr_port);
+ lprint("%15s %5d %5d %5d\r\n",
+ inet_iptostr(so->so_faddr_ip), so->so_faddr_port,
+ 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_iptostr(so->so_laddr_ip), so->so_laddr_port);
+ lprint("%15s %5d %5d %5d\r\n",
+ inet_iptostr(so->so_faddr_ip), so->so_faddr_port,
+ 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
generated by cgit v1.1 at 2024-05-19 22:47:30 +0000