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1.1 root 1: /*
2: * Copyright (c) 1995 Danny Gasparovski.
3: * Portions copyright (c) 2000 Kelly Price.
1.1.1.2 root 4: *
5: * Please read the file COPYRIGHT for the
1.1 root 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:
1.1.1.2 root 19: /* Carry over one item from main.c so that the tty's restored.
1.1 root 20: * Only done when the tty being used is /dev/tty --RedWolf */
1.1.1.2 root 21: #ifndef CONFIG_QEMU
1.1 root 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);
1.1.1.2 root 34:
1.1 root 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;
1.1.1.2 root 60:
1.1 root 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
1.1.1.2 root 72: #endif
1.1 root 73:
1.1.1.2 root 74: #ifdef LOG_ENABLED
1.1 root 75: #if 0
76: /*
77: * Statistic routines
1.1.1.2 root 78: *
1.1 root 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:
1.1.1.2 root 84: static void
1.1 root 85: ttystats(ttyp)
86: struct ttys *ttyp;
87: {
88: struct slirp_ifstats *is = &ttyp->ifstats;
89: char buff[512];
1.1.1.2 root 90:
1.1 root 91: lprint(" \r\n");
1.1.1.2 root 92:
93: if (IF_COMP & IF_COMPRESS)
1.1 root 94: strcpy(buff, "on");
1.1.1.2 root 95: else if (IF_COMP & IF_NOCOMPRESS)
1.1 root 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:
1.1.1.2 root 123: static void
124: allttystats(void)
1.1 root 125: {
126: struct ttys *ttyp;
1.1.1.2 root 127:
1.1 root 128: for (ttyp = ttys; ttyp; ttyp = ttyp->next)
129: ttystats(ttyp);
130: }
131: #endif
132:
1.1.1.2 root 133: static void
134: ipstats(void)
1.1 root 135: {
1.1.1.2 root 136: lprint(" \r\n");
1.1 root 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:
1.1.1.2 root 157: #ifndef CONFIG_QEMU
158: static void
159: vjstats(void)
1.1 root 160: {
161: lprint(" \r\n");
1.1.1.2 root 162:
1.1 root 163: lprint("VJ compression stats:\r\n");
1.1.1.2 root 164:
1.1 root 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:
1.1.1.2 root 176: static void
177: tcpstats(void)
1.1 root 178: {
179: lprint(" \r\n");
180:
181: lprint("TCP stats:\r\n");
1.1.1.2 root 182:
1.1 root 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);
1.1.1.2 root 195:
196: lprint(" %6d packets received\r\n", tcpstat.tcps_rcvtotal);
1.1 root 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);
1.1.1.2 root 205:
1.1 root 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);
1.1.1.2 root 218:
1.1 root 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);
1.1.1.2 root 237:
238:
1.1 root 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:
1.1.1.2 root 244: static void
245: udpstats(void)
1.1 root 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:
1.1.1.2 root 258: static void
259: icmpstats(void)
1.1 root 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:
1.1.1.2 root 271: static void
272: mbufstats(void)
1.1 root 273: {
274: struct mbuf *m;
275: int i;
1.1.1.2 root 276:
1.1 root 277: lprint(" \r\n");
1.1.1.2 root 278:
1.1 root 279: lprint("Mbuf stats:\r\n");
280:
281: lprint(" %6d mbufs allocated (%d max)\r\n", mbuf_alloced, mbuf_max);
1.1.1.2 root 282:
1.1 root 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);
1.1.1.2 root 287:
1.1 root 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:
1.1.1.2 root 295: static void
296: sockstats(void)
1.1 root 297: {
298: char buff[256];
299: int n;
300: struct socket *so;
301:
302: lprint(" \r\n");
1.1.1.2 root 303:
1.1 root 304: lprint(
305: "Proto[state] Sock Local Address, Port Remote Address, Port RecvQ SendQ\r\n");
1.1.1.2 root 306:
1.1 root 307: for (so = tcb.so_next; so != &tcb; so = so->so_next) {
1.1.1.2 root 308:
1.1 root 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: }
1.1.1.2 root 320:
1.1 root 321: for (so = udb.so_next; so != &udb; so = so->so_next) {
1.1.1.2 root 322:
1.1 root 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: }
1.1.1.2 root 335: #endif
1.1 root 336:
1.1.1.2 root 337: #ifndef CONFIG_QEMU
1.1 root 338: void
339: slirp_exit(exit_status)
340: int exit_status;
341: {
342: struct ttys *ttyp;
1.1.1.2 root 343:
1.1 root 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;
1.1.1.2 root 352:
1.1 root 353: ipstats();
354: tcpstats();
355: udpstats();
356: icmpstats();
357: mbufstats();
358: sockstats();
359: allttystats();
360: vjstats();
361: }
1.1.1.2 root 362:
1.1 root 363: for (ttyp = ttys; ttyp; ttyp = ttyp->next)
364: tty_detached(ttyp, 1);
1.1.1.2 root 365:
1.1 root 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: }
1.1.1.2 root 372:
1.1 root 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
1.1.1.2 root 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: }
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