symbian-qemu-0.9.1-12/qemu-symbian-svp/slirp/debug.c
changeset 1 2fb8b9db1c86
equal deleted inserted replaced
0:ffa851df0825 1:2fb8b9db1c86
       
     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 #ifndef CONFIG_QEMU
       
    22 extern struct termios slirp_tty_settings;
       
    23 extern int slirp_tty_restore;
       
    24 
       
    25 
       
    26 void
       
    27 debug_init(file, dbg)
       
    28 	char *file;
       
    29 	int dbg;
       
    30 {
       
    31 	/* Close the old debugging file */
       
    32 	if (dfd)
       
    33 	   fclose(dfd);
       
    34 
       
    35 	dfd = fopen(file,"w");
       
    36 	if (dfd != NULL) {
       
    37 #if 0
       
    38 		fprintf(dfd,"Slirp %s - Debugging Started.\n", SLIRP_VERSION);
       
    39 #endif
       
    40 		fprintf(dfd,"Debugging Started level %i.\r\n",dbg);
       
    41 		fflush(dfd);
       
    42 		slirp_debug = dbg;
       
    43 	} else {
       
    44 		lprint("Error: Debugging file \"%s\" could not be opened: %s\r\n",
       
    45 			file, strerror(errno));
       
    46 	}
       
    47 }
       
    48 
       
    49 /*
       
    50  * Dump a packet in the same format as tcpdump -x
       
    51  */
       
    52 #ifdef DEBUG
       
    53 void
       
    54 dump_packet(dat, n)
       
    55 	void *dat;
       
    56 	int n;
       
    57 {
       
    58 	u_char *pptr = (u_char *)dat;
       
    59 	int j,k;
       
    60 
       
    61 	n /= 16;
       
    62 	n++;
       
    63 	DEBUG_MISC((dfd, "PACKET DUMPED: \n"));
       
    64 	for(j = 0; j < n; j++) {
       
    65 		for(k = 0; k < 6; k++)
       
    66 			DEBUG_MISC((dfd, "%02x ", *pptr++));
       
    67 		DEBUG_MISC((dfd, "\n"));
       
    68 		fflush(dfd);
       
    69 	}
       
    70 }
       
    71 #endif
       
    72 #endif
       
    73 
       
    74 #ifdef LOG_ENABLED
       
    75 #if 0
       
    76 /*
       
    77  * Statistic routines
       
    78  *
       
    79  * These will print statistics to the screen, the debug file (dfd), or
       
    80  * a buffer, depending on "type", so that the stats can be sent over
       
    81  * the link as well.
       
    82  */
       
    83 
       
    84 static void
       
    85 ttystats(ttyp)
       
    86 	struct ttys *ttyp;
       
    87 {
       
    88 	struct slirp_ifstats *is = &ttyp->ifstats;
       
    89 	char buff[512];
       
    90 
       
    91 	lprint(" \r\n");
       
    92 
       
    93 	if (IF_COMP & IF_COMPRESS)
       
    94 	   strcpy(buff, "on");
       
    95 	else if (IF_COMP & IF_NOCOMPRESS)
       
    96 	   strcpy(buff, "off");
       
    97 	else
       
    98 	   strcpy(buff, "off (for now)");
       
    99 	lprint("Unit %d:\r\n", ttyp->unit);
       
   100 	lprint("  using %s encapsulation (VJ compression is %s)\r\n", (
       
   101 #ifdef USE_PPP
       
   102 	       ttyp->proto==PROTO_PPP?"PPP":
       
   103 #endif
       
   104 	       "SLIP"), buff);
       
   105 	lprint("  %d baudrate\r\n", ttyp->baud);
       
   106 	lprint("  interface is %s\r\n", ttyp->up?"up":"down");
       
   107 	lprint("  using fd %d, guardian pid is %d\r\n", ttyp->fd, ttyp->pid);
       
   108 #ifndef FULL_BOLT
       
   109 	lprint("  towrite is %d bytes\r\n", ttyp->towrite);
       
   110 #endif
       
   111 	if (ttyp->zeros)
       
   112 	   lprint("  %d zeros have been typed\r\n", ttyp->zeros);
       
   113 	else if (ttyp->ones)
       
   114 	   lprint("  %d ones have been typed\r\n", ttyp->ones);
       
   115 	lprint("Interface stats:\r\n");
       
   116 	lprint("  %6d output packets sent (%d bytes)\r\n", is->out_pkts, is->out_bytes);
       
   117 	lprint("  %6d output packets dropped (%d bytes)\r\n", is->out_errpkts, is->out_errbytes);
       
   118 	lprint("  %6d input packets received (%d bytes)\r\n", is->in_pkts, is->in_bytes);
       
   119 	lprint("  %6d input packets dropped (%d bytes)\r\n", is->in_errpkts, is->in_errbytes);
       
   120 	lprint("  %6d bad input packets\r\n", is->in_mbad);
       
   121 }
       
   122 
       
   123 static void
       
   124 allttystats(void)
       
   125 {
       
   126 	struct ttys *ttyp;
       
   127 
       
   128 	for (ttyp = ttys; ttyp; ttyp = ttyp->next)
       
   129 	   ttystats(ttyp);
       
   130 }
       
   131 #endif
       
   132 
       
   133 static void
       
   134 ipstats(void)
       
   135 {
       
   136 	lprint(" \r\n");
       
   137 
       
   138 	lprint("IP stats:\r\n");
       
   139 	lprint("  %6d total packets received (%d were unaligned)\r\n",
       
   140 			ipstat.ips_total, ipstat.ips_unaligned);
       
   141 	lprint("  %6d with incorrect version\r\n", ipstat.ips_badvers);
       
   142 	lprint("  %6d with bad header checksum\r\n", ipstat.ips_badsum);
       
   143 	lprint("  %6d with length too short (len < sizeof(iphdr))\r\n", ipstat.ips_tooshort);
       
   144 	lprint("  %6d with length too small (len < ip->len)\r\n", ipstat.ips_toosmall);
       
   145 	lprint("  %6d with bad header length\r\n", ipstat.ips_badhlen);
       
   146 	lprint("  %6d with bad packet length\r\n", ipstat.ips_badlen);
       
   147 	lprint("  %6d fragments received\r\n", ipstat.ips_fragments);
       
   148 	lprint("  %6d fragments dropped\r\n", ipstat.ips_fragdropped);
       
   149 	lprint("  %6d fragments timed out\r\n", ipstat.ips_fragtimeout);
       
   150 	lprint("  %6d packets reassembled ok\r\n", ipstat.ips_reassembled);
       
   151 	lprint("  %6d outgoing packets fragmented\r\n", ipstat.ips_fragmented);
       
   152 	lprint("  %6d total outgoing fragments\r\n", ipstat.ips_ofragments);
       
   153 	lprint("  %6d with bad protocol field\r\n", ipstat.ips_noproto);
       
   154 	lprint("  %6d total packets delivered\r\n", ipstat.ips_delivered);
       
   155 }
       
   156 
       
   157 #ifndef CONFIG_QEMU
       
   158 static void
       
   159 vjstats(void)
       
   160 {
       
   161 	lprint(" \r\n");
       
   162 
       
   163 	lprint("VJ compression stats:\r\n");
       
   164 
       
   165 	lprint("  %6d outbound packets (%d compressed)\r\n",
       
   166 	       comp_s.sls_packets, comp_s.sls_compressed);
       
   167 	lprint("  %6d searches for connection stats (%d misses)\r\n",
       
   168 	       comp_s.sls_searches, comp_s.sls_misses);
       
   169 	lprint("  %6d inbound uncompressed packets\r\n", comp_s.sls_uncompressedin);
       
   170 	lprint("  %6d inbound compressed packets\r\n", comp_s.sls_compressedin);
       
   171 	lprint("  %6d inbound unknown type packets\r\n", comp_s.sls_errorin);
       
   172 	lprint("  %6d inbound packets tossed due to error\r\n", comp_s.sls_tossed);
       
   173 }
       
   174 #endif
       
   175 
       
   176 static void
       
   177 tcpstats(void)
       
   178 {
       
   179 	lprint(" \r\n");
       
   180 
       
   181 	lprint("TCP stats:\r\n");
       
   182 
       
   183 	lprint("  %6d packets sent\r\n", tcpstat.tcps_sndtotal);
       
   184 	lprint("          %6d data packets (%d bytes)\r\n",
       
   185 			tcpstat.tcps_sndpack, tcpstat.tcps_sndbyte);
       
   186 	lprint("          %6d data packets retransmitted (%d bytes)\r\n",
       
   187 			tcpstat.tcps_sndrexmitpack, tcpstat.tcps_sndrexmitbyte);
       
   188 	lprint("          %6d ack-only packets (%d delayed)\r\n",
       
   189 			tcpstat.tcps_sndacks, tcpstat.tcps_delack);
       
   190 	lprint("          %6d URG only packets\r\n", tcpstat.tcps_sndurg);
       
   191 	lprint("          %6d window probe packets\r\n", tcpstat.tcps_sndprobe);
       
   192 	lprint("          %6d window update packets\r\n", tcpstat.tcps_sndwinup);
       
   193 	lprint("          %6d control (SYN/FIN/RST) packets\r\n", tcpstat.tcps_sndctrl);
       
   194 	lprint("          %6d times tcp_output did nothing\r\n", tcpstat.tcps_didnuttin);
       
   195 
       
   196 	lprint("  %6d packets received\r\n", tcpstat.tcps_rcvtotal);
       
   197 	lprint("          %6d acks (for %d bytes)\r\n",
       
   198 			tcpstat.tcps_rcvackpack, tcpstat.tcps_rcvackbyte);
       
   199 	lprint("          %6d duplicate acks\r\n", tcpstat.tcps_rcvdupack);
       
   200 	lprint("          %6d acks for unsent data\r\n", tcpstat.tcps_rcvacktoomuch);
       
   201 	lprint("          %6d packets received in sequence (%d bytes)\r\n",
       
   202 			tcpstat.tcps_rcvpack, tcpstat.tcps_rcvbyte);
       
   203         lprint("          %6d completely duplicate packets (%d bytes)\r\n",
       
   204 			tcpstat.tcps_rcvduppack, tcpstat.tcps_rcvdupbyte);
       
   205 
       
   206 	lprint("          %6d packets with some duplicate data (%d bytes duped)\r\n",
       
   207 			tcpstat.tcps_rcvpartduppack, tcpstat.tcps_rcvpartdupbyte);
       
   208 	lprint("          %6d out-of-order packets (%d bytes)\r\n",
       
   209 			tcpstat.tcps_rcvoopack, tcpstat.tcps_rcvoobyte);
       
   210 	lprint("          %6d packets of data after window (%d bytes)\r\n",
       
   211 			tcpstat.tcps_rcvpackafterwin, tcpstat.tcps_rcvbyteafterwin);
       
   212 	lprint("          %6d window probes\r\n", tcpstat.tcps_rcvwinprobe);
       
   213 	lprint("          %6d window update packets\r\n", tcpstat.tcps_rcvwinupd);
       
   214 	lprint("          %6d packets received after close\r\n", tcpstat.tcps_rcvafterclose);
       
   215 	lprint("          %6d discarded for bad checksums\r\n", tcpstat.tcps_rcvbadsum);
       
   216 	lprint("          %6d discarded for bad header offset fields\r\n",
       
   217 			tcpstat.tcps_rcvbadoff);
       
   218 
       
   219 	lprint("  %6d connection requests\r\n", tcpstat.tcps_connattempt);
       
   220 	lprint("  %6d connection accepts\r\n", tcpstat.tcps_accepts);
       
   221 	lprint("  %6d connections established (including accepts)\r\n", tcpstat.tcps_connects);
       
   222 	lprint("  %6d connections closed (including %d drop)\r\n",
       
   223 			tcpstat.tcps_closed, tcpstat.tcps_drops);
       
   224 	lprint("  %6d embryonic connections dropped\r\n", tcpstat.tcps_conndrops);
       
   225 	lprint("  %6d segments we tried to get rtt (%d succeeded)\r\n",
       
   226 			tcpstat.tcps_segstimed, tcpstat.tcps_rttupdated);
       
   227 	lprint("  %6d retransmit timeouts\r\n", tcpstat.tcps_rexmttimeo);
       
   228 	lprint("          %6d connections dropped by rxmt timeout\r\n",
       
   229 			tcpstat.tcps_timeoutdrop);
       
   230 	lprint("  %6d persist timeouts\r\n", tcpstat.tcps_persisttimeo);
       
   231 	lprint("  %6d keepalive timeouts\r\n", tcpstat.tcps_keeptimeo);
       
   232 	lprint("          %6d keepalive probes sent\r\n", tcpstat.tcps_keepprobe);
       
   233 	lprint("          %6d connections dropped by keepalive\r\n", tcpstat.tcps_keepdrops);
       
   234 	lprint("  %6d correct ACK header predictions\r\n", tcpstat.tcps_predack);
       
   235 	lprint("  %6d correct data packet header predictions\n", tcpstat.tcps_preddat);
       
   236 	lprint("  %6d TCP cache misses\r\n", tcpstat.tcps_socachemiss);
       
   237 
       
   238 
       
   239 /*	lprint("    Packets received too short:		%d\r\n", tcpstat.tcps_rcvshort); */
       
   240 /*	lprint("    Segments dropped due to PAWS:	%d\r\n", tcpstat.tcps_pawsdrop); */
       
   241 
       
   242 }
       
   243 
       
   244 static void
       
   245 udpstats(void)
       
   246 {
       
   247         lprint(" \r\n");
       
   248 
       
   249 	lprint("UDP stats:\r\n");
       
   250 	lprint("  %6d datagrams received\r\n", udpstat.udps_ipackets);
       
   251 	lprint("  %6d with packets shorter than header\r\n", udpstat.udps_hdrops);
       
   252 	lprint("  %6d with bad checksums\r\n", udpstat.udps_badsum);
       
   253 	lprint("  %6d with data length larger than packet\r\n", udpstat.udps_badlen);
       
   254 	lprint("  %6d UDP socket cache misses\r\n", udpstat.udpps_pcbcachemiss);
       
   255 	lprint("  %6d datagrams sent\r\n", udpstat.udps_opackets);
       
   256 }
       
   257 
       
   258 static void
       
   259 icmpstats(void)
       
   260 {
       
   261 	lprint(" \r\n");
       
   262 	lprint("ICMP stats:\r\n");
       
   263 	lprint("  %6d ICMP packets received\r\n", icmpstat.icps_received);
       
   264 	lprint("  %6d were too short\r\n", icmpstat.icps_tooshort);
       
   265 	lprint("  %6d with bad checksums\r\n", icmpstat.icps_checksum);
       
   266 	lprint("  %6d with type not supported\r\n", icmpstat.icps_notsupp);
       
   267 	lprint("  %6d with bad type feilds\r\n", icmpstat.icps_badtype);
       
   268 	lprint("  %6d ICMP packets sent in reply\r\n", icmpstat.icps_reflect);
       
   269 }
       
   270 
       
   271 static void
       
   272 mbufstats(void)
       
   273 {
       
   274 	struct mbuf *m;
       
   275 	int i;
       
   276 
       
   277         lprint(" \r\n");
       
   278 
       
   279 	lprint("Mbuf stats:\r\n");
       
   280 
       
   281 	lprint("  %6d mbufs allocated (%d max)\r\n", mbuf_alloced, mbuf_max);
       
   282 
       
   283 	i = 0;
       
   284 	for (m = m_freelist.m_next; m != &m_freelist; m = m->m_next)
       
   285 		i++;
       
   286 	lprint("  %6d mbufs on free list\r\n",  i);
       
   287 
       
   288 	i = 0;
       
   289 	for (m = m_usedlist.m_next; m != &m_usedlist; m = m->m_next)
       
   290 		i++;
       
   291 	lprint("  %6d mbufs on used list\r\n",  i);
       
   292         lprint("  %6d mbufs queued as packets\r\n\r\n", if_queued);
       
   293 }
       
   294 
       
   295 static void
       
   296 sockstats(void)
       
   297 {
       
   298 	char buff[256];
       
   299 	int n;
       
   300 	struct socket *so;
       
   301 
       
   302         lprint(" \r\n");
       
   303 
       
   304 	lprint(
       
   305 	   "Proto[state]     Sock     Local Address, Port  Remote Address, Port RecvQ SendQ\r\n");
       
   306 
       
   307 	for (so = tcb.so_next; so != &tcb; so = so->so_next) {
       
   308 
       
   309 		n = sprintf(buff, "tcp[%s]", so->so_tcpcb?tcpstates[so->so_tcpcb->t_state]:"NONE");
       
   310 		while (n < 17)
       
   311 		   buff[n++] = ' ';
       
   312 		buff[17] = 0;
       
   313 		lprint("%s %3d   %15s %5d ",
       
   314 				buff, so->s,
       
   315 				inet_ntoa(so->so_laddr), ntohs(so->so_lport));
       
   316 		lprint("%15s %5d %5d %5d\r\n",
       
   317 				inet_ntoa(so->so_faddr), ntohs(so->so_fport),
       
   318 				so->so_rcv.sb_cc, so->so_snd.sb_cc);
       
   319 	}
       
   320 
       
   321 	for (so = udb.so_next; so != &udb; so = so->so_next) {
       
   322 
       
   323 		n = sprintf(buff, "udp[%d sec]", (so->so_expire - curtime) / 1000);
       
   324 		while (n < 17)
       
   325 		   buff[n++] = ' ';
       
   326 		buff[17] = 0;
       
   327 		lprint("%s %3d  %15s %5d  ",
       
   328 				buff, so->s,
       
   329 				inet_ntoa(so->so_laddr), ntohs(so->so_lport));
       
   330 		lprint("%15s %5d %5d %5d\r\n",
       
   331 				inet_ntoa(so->so_faddr), ntohs(so->so_fport),
       
   332 				so->so_rcv.sb_cc, so->so_snd.sb_cc);
       
   333 	}
       
   334 }
       
   335 #endif
       
   336 
       
   337 #ifndef CONFIG_QEMU
       
   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
       
   379 
       
   380 void
       
   381 slirp_stats(void)
       
   382 {
       
   383 #ifdef LOG_ENABLED
       
   384     ipstats();
       
   385     tcpstats();
       
   386     udpstats();
       
   387     icmpstats();
       
   388     mbufstats();
       
   389     sockstats();
       
   390 #else
       
   391     lprint("SLIRP statistics code not compiled.\n");
       
   392 #endif
       
   393 }