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source: vbox/trunk/src/VBox/Devices/Network/slirp/debug.c@ 23369

Last change on this file since 23369 was 23369, checked in by vboxsync, 15 years ago

NAT: small cosmetics, trailing spaces
  • Property svn:eol-style set to native
File size: 13.1 KB
Line 
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#include <iprt/string.h>
11#include <iprt/stream.h>
12
13#ifdef DEBUG
14void dump_packet(void *, int);
15#endif
16
17#define IP4_ADDR_PRINTF_DECOMP(ip) ((ip) >> 24), ((ip) >> 16) & 0xff, ((ip) >> 8) & 0xff, (ip) & 0xff
18#define IP4_ADDR_PRINTF_FORMAT "%u.%u.%u.%u"
19/*
20 * Dump a packet in the same format as tcpdump -x
21 */
22#ifdef DEBUG
23void
24dump_packet(void *dat, int n)
25{
26 Log(("nat: PACKET DUMPED:\n%.*Vhxd\n", n, dat));
27}
28#endif
29
30#ifdef LOG_ENABLED
31static void
32lprint(const char *pszFormat, ...)
33{
34 va_list args;
35 va_start(args, pszFormat);
36 RTLogPrintfV(pszFormat, args);
37 va_end(args);
38}
39
40void
41ipstats(PNATState pData)
42{
43 lprint(" \n");
44
45 lprint("IP stats:\n");
46 lprint(" %6d total packets received (%d were unaligned)\n",
47 ipstat.ips_total, ipstat.ips_unaligned);
48 lprint(" %6d with incorrect version\n", ipstat.ips_badvers);
49 lprint(" %6d with bad header checksum\n", ipstat.ips_badsum);
50 lprint(" %6d with length too short (len < sizeof(iphdr))\n", ipstat.ips_tooshort);
51 lprint(" %6d with length too small (len < ip->len)\n", ipstat.ips_toosmall);
52 lprint(" %6d with bad header length\n", ipstat.ips_badhlen);
53 lprint(" %6d with bad packet length\n", ipstat.ips_badlen);
54 lprint(" %6d fragments received\n", ipstat.ips_fragments);
55 lprint(" %6d fragments dropped\n", ipstat.ips_fragdropped);
56 lprint(" %6d fragments timed out\n", ipstat.ips_fragtimeout);
57 lprint(" %6d packets reassembled ok\n", ipstat.ips_reassembled);
58 lprint(" %6d outgoing packets fragmented\n", ipstat.ips_fragmented);
59 lprint(" %6d total outgoing fragments\n", ipstat.ips_ofragments);
60 lprint(" %6d with bad protocol field\n", ipstat.ips_noproto);
61 lprint(" %6d total packets delivered\n", ipstat.ips_delivered);
62}
63
64void
65tcpstats(PNATState pData)
66{
67 lprint(" \n");
68
69 lprint("TCP stats:\n");
70
71 lprint(" %6d packets sent\n", tcpstat.tcps_sndtotal);
72 lprint(" %6d data packets (%d bytes)\n",
73 tcpstat.tcps_sndpack, tcpstat.tcps_sndbyte);
74 lprint(" %6d data packets retransmitted (%d bytes)\n",
75 tcpstat.tcps_sndrexmitpack, tcpstat.tcps_sndrexmitbyte);
76 lprint(" %6d ack-only packets (%d delayed)\n",
77 tcpstat.tcps_sndacks, tcpstat.tcps_delack);
78 lprint(" %6d URG only packets\n", tcpstat.tcps_sndurg);
79 lprint(" %6d window probe packets\n", tcpstat.tcps_sndprobe);
80 lprint(" %6d window update packets\n", tcpstat.tcps_sndwinup);
81 lprint(" %6d control (SYN/FIN/RST) packets\n", tcpstat.tcps_sndctrl);
82 lprint(" %6d times tcp_output did nothing\n", tcpstat.tcps_didnuttin);
83
84 lprint(" %6d packets received\n", tcpstat.tcps_rcvtotal);
85 lprint(" %6d acks (for %d bytes)\n",
86 tcpstat.tcps_rcvackpack, tcpstat.tcps_rcvackbyte);
87 lprint(" %6d duplicate acks\n", tcpstat.tcps_rcvdupack);
88 lprint(" %6d acks for unsent data\n", tcpstat.tcps_rcvacktoomuch);
89 lprint(" %6d packets received in sequence (%d bytes)\n",
90 tcpstat.tcps_rcvpack, tcpstat.tcps_rcvbyte);
91 lprint(" %6d completely duplicate packets (%d bytes)\n",
92 tcpstat.tcps_rcvduppack, tcpstat.tcps_rcvdupbyte);
93
94 lprint(" %6d packets with some duplicate data (%d bytes duped)\n",
95 tcpstat.tcps_rcvpartduppack, tcpstat.tcps_rcvpartdupbyte);
96 lprint(" %6d out-of-order packets (%d bytes)\n",
97 tcpstat.tcps_rcvoopack, tcpstat.tcps_rcvoobyte);
98 lprint(" %6d packets of data after window (%d bytes)\n",
99 tcpstat.tcps_rcvpackafterwin, tcpstat.tcps_rcvbyteafterwin);
100 lprint(" %6d window probes\n", tcpstat.tcps_rcvwinprobe);
101 lprint(" %6d window update packets\n", tcpstat.tcps_rcvwinupd);
102 lprint(" %6d packets received after close\n", tcpstat.tcps_rcvafterclose);
103 lprint(" %6d discarded for bad checksums\n", tcpstat.tcps_rcvbadsum);
104 lprint(" %6d discarded for bad header offset fields\n",
105 tcpstat.tcps_rcvbadoff);
106
107 lprint(" %6d connection requests\n", tcpstat.tcps_connattempt);
108 lprint(" %6d connection accepts\n", tcpstat.tcps_accepts);
109 lprint(" %6d connections established (including accepts)\n", tcpstat.tcps_connects);
110 lprint(" %6d connections closed (including %d drop)\n",
111 tcpstat.tcps_closed, tcpstat.tcps_drops);
112 lprint(" %6d embryonic connections dropped\n", tcpstat.tcps_conndrops);
113 lprint(" %6d segments we tried to get rtt (%d succeeded)\n",
114 tcpstat.tcps_segstimed, tcpstat.tcps_rttupdated);
115 lprint(" %6d retransmit timeouts\n", tcpstat.tcps_rexmttimeo);
116 lprint(" %6d connections dropped by rxmt timeout\n",
117 tcpstat.tcps_timeoutdrop);
118 lprint(" %6d persist timeouts\n", tcpstat.tcps_persisttimeo);
119 lprint(" %6d keepalive timeouts\n", tcpstat.tcps_keeptimeo);
120 lprint(" %6d keepalive probes sent\n", tcpstat.tcps_keepprobe);
121 lprint(" %6d connections dropped by keepalive\n", tcpstat.tcps_keepdrops);
122 lprint(" %6d correct ACK header predictions\n", tcpstat.tcps_predack);
123 lprint(" %6d correct data packet header predictions\n", tcpstat.tcps_preddat);
124 lprint(" %6d TCP cache misses\n", tcpstat.tcps_socachemiss);
125
126/* lprint(" Packets received too short: %d\n", tcpstat.tcps_rcvshort); */
127/* lprint(" Segments dropped due to PAWS: %d\n", tcpstat.tcps_pawsdrop); */
128
129}
130
131void
132udpstats(PNATState pData)
133{
134 lprint(" \n");
135
136 lprint("UDP stats:\n");
137 lprint(" %6d datagrams received\n", udpstat.udps_ipackets);
138 lprint(" %6d with packets shorter than header\n", udpstat.udps_hdrops);
139 lprint(" %6d with bad checksums\n", udpstat.udps_badsum);
140 lprint(" %6d with data length larger than packet\n", udpstat.udps_badlen);
141 lprint(" %6d UDP socket cache misses\n", udpstat.udpps_pcbcachemiss);
142 lprint(" %6d datagrams sent\n", udpstat.udps_opackets);
143}
144
145void
146icmpstats(PNATState pData)
147{
148 lprint(" \n");
149 lprint("ICMP stats:\n");
150 lprint(" %6d ICMP packets received\n", icmpstat.icps_received);
151 lprint(" %6d were too short\n", icmpstat.icps_tooshort);
152 lprint(" %6d with bad checksums\n", icmpstat.icps_checksum);
153 lprint(" %6d with type not supported\n", icmpstat.icps_notsupp);
154 lprint(" %6d with bad type feilds\n", icmpstat.icps_badtype);
155 lprint(" %6d ICMP packets sent in reply\n", icmpstat.icps_reflect);
156}
157
158void
159mbufstats(PNATState pData)
160{
161#ifndef VBOX_WITH_SLIRP_BSD_MBUF
162 struct mbuf *m;
163 int i;
164
165 lprint(" \n");
166
167 lprint("Mbuf stats:\n");
168
169 lprint(" %6d mbufs allocated (%d max)\n", mbuf_alloced, mbuf_max);
170
171 i = 0;
172 for (m = m_freelist.m_next; m != &m_freelist; m = m->m_next)
173 i++;
174 lprint(" %6d mbufs on free list\n", i);
175
176 i = 0;
177 for (m = m_usedlist.m_next; m != &m_usedlist; m = m->m_next)
178 i++;
179 lprint(" %6d mbufs on used list\n", i);
180 lprint(" %6d mbufs queued as packets\n\n", if_queued);
181#endif
182}
183
184void
185sockstats(PNATState pData)
186{
187 char buff[256];
188 int n;
189 struct socket *so, *so_next;
190
191 lprint(" \n");
192
193 lprint(
194 "Proto[state] Sock Local Address, Port Remote Address, Port RecvQ SendQ\n");
195
196 QSOCKET_FOREACH(so, so_next, tcp)
197 /* { */
198 n = RTStrPrintf(buff, sizeof(buff), "tcp[%s]", so->so_tcpcb?tcpstates[so->so_tcpcb->t_state]:"NONE");
199 while (n < 17)
200 buff[n++] = ' ';
201 buff[17] = 0;
202 lprint("%s %3d %15s %5d ",
203 buff, so->s, inet_ntoa(so->so_laddr), ntohs(so->so_lport));
204 lprint("%15s %5d %5d %5d\n",
205 inet_ntoa(so->so_faddr), ntohs(so->so_fport),
206 so->so_rcv.sb_cc, so->so_snd.sb_cc);
207 LOOP_LABEL(tcp, so, so_next);
208 }
209
210 QSOCKET_FOREACH(so, so_next, udp)
211 /* { */
212 n = RTStrPrintf(buff, sizeof(buff), "udp[%d sec]", (so->so_expire - curtime) / 1000);
213 while (n < 17)
214 buff[n++] = ' ';
215 buff[17] = 0;
216 lprint("%s %3d %15s %5d ",
217 buff, so->s, inet_ntoa(so->so_laddr), ntohs(so->so_lport));
218 lprint("%15s %5d %5d %5d\n",
219 inet_ntoa(so->so_faddr), ntohs(so->so_fport),
220 so->so_rcv.sb_cc, so->so_snd.sb_cc);
221 LOOP_LABEL(udp, so, so_next);
222 }
223}
224#endif
225
226static DECLCALLBACK(size_t)
227print_ipv4_address(PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
228 const char *pszType, void const *pvValue,
229 int cchWidth, int cchPrecision, unsigned fFlags,
230 void *pvUser)
231{
232 uint32_t ip;
233
234 AssertReturn(strcmp(pszType, "IP4") == 0, 0);
235
236 ip = ntohl(*(uint32_t*)pvValue);
237 return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, IP4_ADDR_PRINTF_FORMAT,
238 IP4_ADDR_PRINTF_DECOMP(ip));
239}
240
241static DECLCALLBACK(size_t)
242print_ether_address(PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
243 const char *pszType, void const *pvValue,
244 int cchWidth, int cchPrecision, unsigned fFlags,
245 void *pvUser)
246{
247 char *ether = (char *)pvUser;
248
249 AssertReturn(strcmp(pszType, "ether") == 0, 0);
250 if (ether != NULL)
251 return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
252 "[ether %hhx:%hhx:%hhx:%hhx:%hhx:%hhx]",
253 ether[0], ether[1], ether[2],
254 ether[3], ether[4], ether[5]);
255 else
256 return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "[ether null]");
257}
258
259static DECLCALLBACK(size_t)
260print_socket(PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
261 const char *pszType, void const *pvValue,
262 int cchWidth, int cchPrecision, unsigned fFlags,
263 void *pvUser)
264{
265 struct socket *so = (struct socket*)pvValue;
266 uint32_t ip;
267 struct sockaddr addr;
268 struct sockaddr_in *in_addr;
269 socklen_t socklen = sizeof(struct sockaddr);
270 int status = 0;
271
272 AssertReturn(strcmp(pszType, "natsock") == 0, 0);
273 if (so == NULL)
274 return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
275 "socket is null");
276 if (so->so_state == SS_NOFDREF || so->s == -1)
277 return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
278 "socket(%d) SS_NODREF",so->s);
279 status = getsockname(so->s, &addr, &socklen);
280
281 if(status != 0 || addr.sa_family != AF_INET)
282 {
283 return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
284 "socket(%d) is invalid(probably closed)",so->s);
285 }
286
287 in_addr = (struct sockaddr_in *)&addr;
288 ip = ntohl(so->so_faddr.s_addr);
289 return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "socket %4d:(proto:%u) "
290 "state=%04x ip=" IP4_ADDR_PRINTF_FORMAT ":%d "
291 "name=" IP4_ADDR_PRINTF_FORMAT ":%d",
292 so->s, so->so_type, so->so_state, IP4_ADDR_PRINTF_DECOMP(ip),
293 ntohs(so->so_fport),
294 IP4_ADDR_PRINTF_DECOMP(ntohl(in_addr->sin_addr.s_addr)),
295 ntohs(in_addr->sin_port));
296}
297
298static DECLCALLBACK(size_t)
299print_networkevents(PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
300 const char *pszType, void const *pvValue,
301 int cchWidth, int cchPrecision, unsigned fFlags,
302 void *pvUser)
303{
304 size_t cb = 0;
305#ifdef RT_OS_WINDOWS
306 WSANETWORKEVENTS *pNetworkEvents = (WSANETWORKEVENTS*)pvValue;
307 bool fDelim = false;
308
309 AssertReturn(strcmp(pszType, "natwinnetevents") == 0, 0);
310
311 cb += RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "events=%02x (",
312 pNetworkEvents->lNetworkEvents);
313# define DO_BIT(bit) \
314 if (pNetworkEvents->lNetworkEvents & FD_ ## bit) \
315 { \
316 cb += RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, \
317 "%s" #bit "(%d)", fDelim ? "," : "", \
318 pNetworkEvents->iErrorCode[FD_ ## bit ## _BIT]); \
319 fDelim = true; \
320 }
321 DO_BIT(READ);
322 DO_BIT(WRITE);
323 DO_BIT(OOB);
324 DO_BIT(ACCEPT);
325 DO_BIT(CONNECT);
326 DO_BIT(CLOSE);
327 DO_BIT(QOS);
328# undef DO_BIT
329 cb += RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, ")");
330#endif
331 return cb;
332}
333
334#if 0
335/*
336 * Debugging
337 */
338int errno_func(const char *file, int line)
339{
340 int err = WSAGetLastError();
341 LogRel(("errno=%d (%s:%d)\n", err, file, line));
342 return err;
343}
344#endif
345
346int
347debug_init()
348{
349 int rc = VINF_SUCCESS;
350
351 static int g_fFormatRegistered;
352
353 if (!g_fFormatRegistered)
354 {
355 /*
356 * XXX(r - frank): Move this to IPRT using RTNETADDRIPV4.
357 * Use the specifier %RNAipv4.
358 */
359 rc = RTStrFormatTypeRegister("IP4", print_ipv4_address, NULL);
360 AssertRC(rc);
361 rc = RTStrFormatTypeRegister("ether", print_ether_address, NULL);
362 AssertRC(rc);
363 rc = RTStrFormatTypeRegister("natsock", print_socket, NULL);
364 AssertRC(rc);
365 rc = RTStrFormatTypeRegister("natwinnetevents",
366 print_networkevents, NULL);
367 AssertRC(rc);
368 g_fFormatRegistered = 1;
369 }
370
371 return rc;
372}
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