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source: vbox/trunk/src/VBox/Devices/Network/slirp/debug.c@ 532

Last change on this file since 532 was 1, checked in by vboxsync, 55 years ago

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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
11FILE *dfd = NULL;
12#ifdef DEBUG
13int dostats = 1;
14#else
15int dostats = 0;
16#endif
17int slirp_debug = 0;
18
19#ifndef VBOX
20extern char *strerror _P((int));
21#endif
22
23/* Carry over one item from main.c so that the tty's restored.
24 * Only done when the tty being used is /dev/tty --RedWolf */
25extern struct termios slirp_tty_settings;
26extern int slirp_tty_restore;
27
28
29#ifndef VBOX
30void
31debug_init(file, dbg)
32 char *file;
33 int dbg;
34{
35 /* Close the old debugging file */
36 if (dfd)
37 fclose(dfd);
38
39 dfd = fopen(file,"w");
40 if (dfd != NULL) {
41#if 0
42 fprintf(dfd,"Slirp %s - Debugging Started.\n", SLIRP_VERSION);
43#endif
44 fprintf(dfd,"Debugging Started level %i.\r\n",dbg);
45 fflush(dfd);
46 slirp_debug = dbg;
47 } else {
48 lprint("Error: Debugging file \"%s\" could not be opened: %s\r\n",
49 file, strerror(errno));
50 }
51}
52#endif /* !VBOX */
53
54#ifndef VBOX
55/*
56 * Dump a packet in the same format as tcpdump -x
57 */
58#ifdef DEBUG
59void
60dump_packet(dat, n)
61 void *dat;
62 int n;
63{
64#ifndef VBOX
65 u_char *pptr = (u_char *)dat;
66 int j,k;
67
68 n /= 16;
69 n++;
70 DEBUG_MISC((dfd, "PACKET DUMPED: \n"));
71 for(j = 0; j < n; j++) {
72 for(k = 0; k < 6; k++)
73 DEBUG_MISC((dfd, "%02x ", *pptr++));
74 DEBUG_MISC((dfd, "\n"));
75 fflush(dfd);
76 }
77#else /* VBOX */
78 Log(("nat: PACKET DUMPED:\n%.*Vhxd\n", n, dat));
79#endif /* VBOX */
80}
81#endif
82#endif /* !VBOX */
83
84#if 0
85/*
86 * Statistic routines
87 *
88 * These will print statistics to the screen, the debug file (dfd), or
89 * a buffer, depending on "type", so that the stats can be sent over
90 * the link as well.
91 */
92
93void
94ttystats(ttyp)
95 struct ttys *ttyp;
96{
97 struct slirp_ifstats *is = &ttyp->ifstats;
98 char buff[512];
99
100 lprint(" \r\n");
101
102 if (if_comp & IF_COMPRESS)
103 strcpy(buff, "on");
104 else if (if_comp & IF_NOCOMPRESS)
105 strcpy(buff, "off");
106 else
107 strcpy(buff, "off (for now)");
108 lprint("Unit %d:\r\n", ttyp->unit);
109 lprint(" using %s encapsulation (VJ compression is %s)\r\n", (
110#ifdef USE_PPP
111 ttyp->proto==PROTO_PPP?"PPP":
112#endif
113 "SLIP"), buff);
114 lprint(" %d baudrate\r\n", ttyp->baud);
115 lprint(" interface is %s\r\n", ttyp->up?"up":"down");
116 lprint(" using fd %d, guardian pid is %d\r\n", ttyp->fd, ttyp->pid);
117#ifndef FULL_BOLT
118 lprint(" towrite is %d bytes\r\n", ttyp->towrite);
119#endif
120 if (ttyp->zeros)
121 lprint(" %d zeros have been typed\r\n", ttyp->zeros);
122 else if (ttyp->ones)
123 lprint(" %d ones have been typed\r\n", ttyp->ones);
124 lprint("Interface stats:\r\n");
125 lprint(" %6d output packets sent (%d bytes)\r\n", is->out_pkts, is->out_bytes);
126 lprint(" %6d output packets dropped (%d bytes)\r\n", is->out_errpkts, is->out_errbytes);
127 lprint(" %6d input packets received (%d bytes)\r\n", is->in_pkts, is->in_bytes);
128 lprint(" %6d input packets dropped (%d bytes)\r\n", is->in_errpkts, is->in_errbytes);
129 lprint(" %6d bad input packets\r\n", is->in_mbad);
130}
131
132void
133allttystats()
134{
135 struct ttys *ttyp;
136
137 for (ttyp = ttys; ttyp; ttyp = ttyp->next)
138 ttystats(ttyp);
139}
140#endif
141
142void
143ipstats()
144{
145 lprint(" \r\n");
146
147 lprint("IP stats:\r\n");
148 lprint(" %6d total packets received (%d were unaligned)\r\n",
149 ipstat.ips_total, ipstat.ips_unaligned);
150 lprint(" %6d with incorrect version\r\n", ipstat.ips_badvers);
151 lprint(" %6d with bad header checksum\r\n", ipstat.ips_badsum);
152 lprint(" %6d with length too short (len < sizeof(iphdr))\r\n", ipstat.ips_tooshort);
153 lprint(" %6d with length too small (len < ip->len)\r\n", ipstat.ips_toosmall);
154 lprint(" %6d with bad header length\r\n", ipstat.ips_badhlen);
155 lprint(" %6d with bad packet length\r\n", ipstat.ips_badlen);
156 lprint(" %6d fragments received\r\n", ipstat.ips_fragments);
157 lprint(" %6d fragments dropped\r\n", ipstat.ips_fragdropped);
158 lprint(" %6d fragments timed out\r\n", ipstat.ips_fragtimeout);
159 lprint(" %6d packets reassembled ok\r\n", ipstat.ips_reassembled);
160 lprint(" %6d outgoing packets fragmented\r\n", ipstat.ips_fragmented);
161 lprint(" %6d total outgoing fragments\r\n", ipstat.ips_ofragments);
162 lprint(" %6d with bad protocol field\r\n", ipstat.ips_noproto);
163 lprint(" %6d total packets delivered\r\n", ipstat.ips_delivered);
164}
165
166#if 0
167void
168vjstats()
169{
170 lprint(" \r\n");
171
172 lprint("VJ compression stats:\r\n");
173
174 lprint(" %6d outbound packets (%d compressed)\r\n",
175 comp_s.sls_packets, comp_s.sls_compressed);
176 lprint(" %6d searches for connection stats (%d misses)\r\n",
177 comp_s.sls_searches, comp_s.sls_misses);
178 lprint(" %6d inbound uncompressed packets\r\n", comp_s.sls_uncompressedin);
179 lprint(" %6d inbound compressed packets\r\n", comp_s.sls_compressedin);
180 lprint(" %6d inbound unknown type packets\r\n", comp_s.sls_errorin);
181 lprint(" %6d inbound packets tossed due to error\r\n", comp_s.sls_tossed);
182}
183#endif
184
185void
186tcpstats()
187{
188 lprint(" \r\n");
189
190 lprint("TCP stats:\r\n");
191
192 lprint(" %6d packets sent\r\n", tcpstat.tcps_sndtotal);
193 lprint(" %6d data packets (%d bytes)\r\n",
194 tcpstat.tcps_sndpack, tcpstat.tcps_sndbyte);
195 lprint(" %6d data packets retransmitted (%d bytes)\r\n",
196 tcpstat.tcps_sndrexmitpack, tcpstat.tcps_sndrexmitbyte);
197 lprint(" %6d ack-only packets (%d delayed)\r\n",
198 tcpstat.tcps_sndacks, tcpstat.tcps_delack);
199 lprint(" %6d URG only packets\r\n", tcpstat.tcps_sndurg);
200 lprint(" %6d window probe packets\r\n", tcpstat.tcps_sndprobe);
201 lprint(" %6d window update packets\r\n", tcpstat.tcps_sndwinup);
202 lprint(" %6d control (SYN/FIN/RST) packets\r\n", tcpstat.tcps_sndctrl);
203 lprint(" %6d times tcp_output did nothing\r\n", tcpstat.tcps_didnuttin);
204
205 lprint(" %6d packets received\r\n", tcpstat.tcps_rcvtotal);
206 lprint(" %6d acks (for %d bytes)\r\n",
207 tcpstat.tcps_rcvackpack, tcpstat.tcps_rcvackbyte);
208 lprint(" %6d duplicate acks\r\n", tcpstat.tcps_rcvdupack);
209 lprint(" %6d acks for unsent data\r\n", tcpstat.tcps_rcvacktoomuch);
210 lprint(" %6d packets received in sequence (%d bytes)\r\n",
211 tcpstat.tcps_rcvpack, tcpstat.tcps_rcvbyte);
212 lprint(" %6d completely duplicate packets (%d bytes)\r\n",
213 tcpstat.tcps_rcvduppack, tcpstat.tcps_rcvdupbyte);
214
215 lprint(" %6d packets with some duplicate data (%d bytes duped)\r\n",
216 tcpstat.tcps_rcvpartduppack, tcpstat.tcps_rcvpartdupbyte);
217 lprint(" %6d out-of-order packets (%d bytes)\r\n",
218 tcpstat.tcps_rcvoopack, tcpstat.tcps_rcvoobyte);
219 lprint(" %6d packets of data after window (%d bytes)\r\n",
220 tcpstat.tcps_rcvpackafterwin, tcpstat.tcps_rcvbyteafterwin);
221 lprint(" %6d window probes\r\n", tcpstat.tcps_rcvwinprobe);
222 lprint(" %6d window update packets\r\n", tcpstat.tcps_rcvwinupd);
223 lprint(" %6d packets received after close\r\n", tcpstat.tcps_rcvafterclose);
224 lprint(" %6d discarded for bad checksums\r\n", tcpstat.tcps_rcvbadsum);
225 lprint(" %6d discarded for bad header offset fields\r\n",
226 tcpstat.tcps_rcvbadoff);
227
228 lprint(" %6d connection requests\r\n", tcpstat.tcps_connattempt);
229 lprint(" %6d connection accepts\r\n", tcpstat.tcps_accepts);
230 lprint(" %6d connections established (including accepts)\r\n", tcpstat.tcps_connects);
231 lprint(" %6d connections closed (including %d drop)\r\n",
232 tcpstat.tcps_closed, tcpstat.tcps_drops);
233 lprint(" %6d embryonic connections dropped\r\n", tcpstat.tcps_conndrops);
234 lprint(" %6d segments we tried to get rtt (%d succeeded)\r\n",
235 tcpstat.tcps_segstimed, tcpstat.tcps_rttupdated);
236 lprint(" %6d retransmit timeouts\r\n", tcpstat.tcps_rexmttimeo);
237 lprint(" %6d connections dropped by rxmt timeout\r\n",
238 tcpstat.tcps_timeoutdrop);
239 lprint(" %6d persist timeouts\r\n", tcpstat.tcps_persisttimeo);
240 lprint(" %6d keepalive timeouts\r\n", tcpstat.tcps_keeptimeo);
241 lprint(" %6d keepalive probes sent\r\n", tcpstat.tcps_keepprobe);
242 lprint(" %6d connections dropped by keepalive\r\n", tcpstat.tcps_keepdrops);
243 lprint(" %6d correct ACK header predictions\r\n", tcpstat.tcps_predack);
244 lprint(" %6d correct data packet header predictions\n", tcpstat.tcps_preddat);
245 lprint(" %6d TCP cache misses\r\n", tcpstat.tcps_socachemiss);
246
247
248/* lprint(" Packets received too short: %d\r\n", tcpstat.tcps_rcvshort); */
249/* lprint(" Segments dropped due to PAWS: %d\r\n", tcpstat.tcps_pawsdrop); */
250
251}
252
253void
254udpstats()
255{
256 lprint(" \r\n");
257
258 lprint("UDP stats:\r\n");
259 lprint(" %6d datagrams received\r\n", udpstat.udps_ipackets);
260 lprint(" %6d with packets shorter than header\r\n", udpstat.udps_hdrops);
261 lprint(" %6d with bad checksums\r\n", udpstat.udps_badsum);
262 lprint(" %6d with data length larger than packet\r\n", udpstat.udps_badlen);
263 lprint(" %6d UDP socket cache misses\r\n", udpstat.udpps_pcbcachemiss);
264 lprint(" %6d datagrams sent\r\n", udpstat.udps_opackets);
265}
266
267void
268icmpstats()
269{
270 lprint(" \r\n");
271 lprint("ICMP stats:\r\n");
272 lprint(" %6d ICMP packets received\r\n", icmpstat.icps_received);
273 lprint(" %6d were too short\r\n", icmpstat.icps_tooshort);
274 lprint(" %6d with bad checksums\r\n", icmpstat.icps_checksum);
275 lprint(" %6d with type not supported\r\n", icmpstat.icps_notsupp);
276 lprint(" %6d with bad type feilds\r\n", icmpstat.icps_badtype);
277 lprint(" %6d ICMP packets sent in reply\r\n", icmpstat.icps_reflect);
278}
279
280void
281mbufstats()
282{
283 struct mbuf *m;
284 int i;
285
286 lprint(" \r\n");
287
288 lprint("Mbuf stats:\r\n");
289
290 lprint(" %6d mbufs allocated (%d max)\r\n", mbuf_alloced, mbuf_max);
291
292 i = 0;
293 for (m = m_freelist.m_next; m != &m_freelist; m = m->m_next)
294 i++;
295 lprint(" %6d mbufs on free list\r\n", i);
296
297 i = 0;
298 for (m = m_usedlist.m_next; m != &m_usedlist; m = m->m_next)
299 i++;
300 lprint(" %6d mbufs on used list\r\n", i);
301 lprint(" %6d mbufs queued as packets\r\n\r\n", if_queued);
302}
303
304void
305sockstats()
306{
307 char buff[256];
308 int n;
309 struct socket *so;
310
311 lprint(" \r\n");
312
313 lprint(
314 "Proto[state] Sock Local Address, Port Remote Address, Port RecvQ SendQ\r\n");
315
316 for (so = tcb.so_next; so != &tcb; so = so->so_next) {
317
318 n = sprintf(buff, "tcp[%s]", so->so_tcpcb?tcpstates[so->so_tcpcb->t_state]:"NONE");
319 while (n < 17)
320 buff[n++] = ' ';
321 buff[17] = 0;
322 lprint("%s %3d %15s %5d ",
323 buff, so->s,
324 inet_ntoa(so->so_laddr), ntohs(so->so_lport));
325 lprint("%15s %5d %5d %5d\r\n",
326 inet_ntoa(so->so_faddr), ntohs(so->so_fport),
327 so->so_rcv.sb_cc, so->so_snd.sb_cc);
328 }
329
330 for (so = udb.so_next; so != &udb; so = so->so_next) {
331
332 n = sprintf(buff, "udp[%d sec]", (so->so_expire - curtime) / 1000);
333 while (n < 17)
334 buff[n++] = ' ';
335 buff[17] = 0;
336 lprint("%s %3d %15s %5d ",
337 buff, so->s,
338 inet_ntoa(so->so_laddr), ntohs(so->so_lport));
339 lprint("%15s %5d %5d %5d\r\n",
340 inet_ntoa(so->so_faddr), ntohs(so->so_fport),
341 so->so_rcv.sb_cc, so->so_snd.sb_cc);
342 }
343}
344
345#if 0
346void
347slirp_exit(exit_status)
348 int exit_status;
349{
350 struct ttys *ttyp;
351
352 DEBUG_CALL("slirp_exit");
353 DEBUG_ARG("exit_status = %d", exit_status);
354
355 if (dostats) {
356 lprint_print = (int (*) _P((void *, const char *, va_list)))vfprintf;
357 if (!dfd)
358 debug_init("slirp_stats", 0xf);
359 lprint_arg = (char **)&dfd;
360
361 ipstats();
362 tcpstats();
363 udpstats();
364 icmpstats();
365 mbufstats();
366 sockstats();
367 allttystats();
368 vjstats();
369 }
370
371 for (ttyp = ttys; ttyp; ttyp = ttyp->next)
372 tty_detached(ttyp, 1);
373
374 if (slirp_forked) {
375 /* Menendez time */
376 if (kill(getppid(), SIGQUIT) < 0)
377 lprint("Couldn't kill parent process %ld!\n",
378 (long) getppid());
379 }
380
381 /* Restore the terminal if we gotta */
382 if(slirp_tty_restore)
383 tcsetattr(0,TCSANOW, &slirp_tty_settings); /* NOW DAMMIT! */
384 exit(exit_status);
385}
386#endif
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