[unix-history] / usr / src / usr.sbin / trsp / trsp.c

This manual page documents a tool used for debugging failures in
the Xerox NS Sequenced packet protocol layer.  It is adapted from
the Internet equivalent trpt(8c).
/*
 * Copyright (c) 1985 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1985 Regents of the University of California.\n\
 All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)trsp.c	6.2 (Berkeley) %G%";
#endif /* not lint */

#include <sys/param.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#define PRUREQUESTS
#include <sys/protosw.h>

#include <net/route.h>
#include <net/if.h>

#define TCPSTATES
#include <netinet/tcp_fsm.h>
#define	TCPTIMERS
#include <netinet/tcp_timer.h>

#include <netns/ns.h>
#include <netns/ns_pcb.h>
#include <netns/idp.h>
#include <netns/idp_var.h>
#include <netns/sp.h>
#include <netns/spidp.h>
#include <netns/spp_var.h>
#define SANAMES
#include <netns/spp_debug.h>

#include <stdio.h>
#include <errno.h>
#include <nlist.h>

unsigned long	ntime;
int	sflag;
int	tflag;
int	jflag;
int	aflag;
int	zflag;
int	numeric();
struct	nlist nl[] = {
	{ "_spp_debug" },
	{ "_spp_debx" },
	0
};
struct	spp_debug spp_debug[SPP_NDEBUG];
caddr_t	spp_pcbs[SPP_NDEBUG];
int	spp_debx;

main(argc, argv)
	int argc;
	char **argv;
{
	int i, mask = 0, npcbs = 0;
	char *system = "/vmunix", *core = "/dev/kmem";

	argc--, argv++;
again:
	if (argc > 0 && !strcmp(*argv, "-a")) {
		aflag++, argc--, argv++;
		goto again;
	}
	if (argc > 0 && !strcmp(*argv, "-z")) {
		zflag++, argc--, argv++;
		goto again;
	}
	if (argc > 0 && !strcmp(*argv, "-s")) {
		sflag++, argc--, argv++;
		goto again;
	}
	if (argc > 0 && !strcmp(*argv, "-t")) {
		tflag++, argc--, argv++;
		goto again;
	}
	if (argc > 0 && !strcmp(*argv, "-j")) {
		jflag++, argc--, argv++;
		goto again;
	}
	if (argc > 0 && !strcmp(*argv, "-p")) {
		argc--, argv++;
		if (argc < 1) {
			fprintf(stderr, "-p: missing sppcb address\n");
			exit(1);
		}
		if (npcbs >= SPP_NDEBUG) {
			fprintf(stderr, "-p: too many pcb's specified\n");
			exit(1);
		}
		sscanf(*argv, "%x", &spp_pcbs[npcbs++]);
		argc--, argv++;
		goto again;
	}
	if (argc > 0) {
		system = *argv;
		argc--, argv++;
		mask++;
	}
	if (argc > 0) {
		core = *argv;
		argc--, argv++;
		mask++;
	}
	(void) nlist(system, nl);
	if (nl[0].n_value == 0) {
		fprintf(stderr, "trsp: %s: no namelist\n", system);
		exit(1);
	}
	(void) close(0);
	if (open(core, 0) < 0) {
		fprintf(stderr, "trsp: "); perror(core);
		exit(2);
	}
	if (mask) {
		nl[0].n_value &= 0x7fffffff;
		nl[1].n_value &= 0x7fffffff;
	}
	(void) lseek(0, nl[1].n_value, 0);
	if (read(0, &spp_debx, sizeof (spp_debx)) != sizeof (spp_debx)) {
		fprintf(stderr, "trsp: "); perror("spp_debx");
		exit(3);
	}
	printf("spp_debx=%d\n", spp_debx);
	(void) lseek(0, nl[0].n_value, 0);
	if (read(0, spp_debug, sizeof (spp_debug)) != sizeof (spp_debug)) {
		fprintf(stderr, "trsp: "); perror("spp_debug");
		exit(3);
	}
	/*
	 * Here, we just want to clear out the old trace data and start over.
	 */
	if (zflag) {
		char *cp = (char *) spp_debug,
		     *cplim = cp + sizeof(spp_debug);
		(void) close(0);
		if (open(core, 2) < 0) {
			fprintf(stderr, "trsp: "); perror(core);
			exit(2);
		}
		while(cp < cplim) *cp++ = 0;
		(void) lseek(0, nl[0].n_value, 0);
		if (write(0, spp_debug, sizeof (spp_debug)) != sizeof (spp_debug)) {
			fprintf(stderr, "trsp: "); perror("spp_debug");
			exit(3);
		}
		(void) lseek(0, nl[1].n_value, 0);
		spp_debx = 0;
		if (write(0, &spp_debx, sizeof (spp_debx)) != sizeof (spp_debx)) {
			fprintf(stderr, "trsp: "); perror("spp_debx");
			exit(3);
		}
		exit(0);
	}
	/*
	 * If no control blocks have been specified, figure
	 * out how many distinct one we have and summarize
	 * them in spp_pcbs for sorting the trace records
	 * below.
	 */
	if (npcbs == 0) {
		for (i = 0; i < SPP_NDEBUG; i++) {
			register int j;
			register struct spp_debug *sd = &spp_debug[i];

			if (sd->sd_cb == 0)
				continue;
			for (j = 0; j < npcbs; j++)
				if (spp_pcbs[j] == sd->sd_cb)
					break;
			if (j >= npcbs)
				spp_pcbs[npcbs++] = sd->sd_cb;
		}
	}
	qsort(spp_pcbs, npcbs, sizeof (caddr_t), numeric);
	if (jflag) {
		char *cp = "";

		for (i = 0; i < npcbs; i++) {
			printf("%s%x", cp, spp_pcbs[i]);
			cp = ", ";
		}
		if (*cp)
			putchar('\n');
		exit(0);
	}
	for (i = 0; i < npcbs; i++) {
		printf("\n%x:\n", spp_pcbs[i]);
		dotrace(spp_pcbs[i]);
	}
	exit(0);
}

dotrace(sppcb)
	register caddr_t sppcb;
{
	register int i;
	register struct spp_debug *sd;

	for (i = spp_debx % SPP_NDEBUG; i < SPP_NDEBUG; i++) {
		sd = &spp_debug[i];
		if (sppcb && sd->sd_cb != sppcb)
			continue;
		ntime = ntohl(sd->sd_time);
		spp_trace(sd->sd_act, sd->sd_ostate, sd->sd_cb, &sd->sd_sp,
		    &sd->sd_si, sd->sd_req);
	}
	for (i = 0; i < spp_debx % SPP_NDEBUG; i++) {
		sd = &spp_debug[i];
		if (sppcb && sd->sd_cb != sppcb)
			continue;
		ntime = ntohl(sd->sd_time);
		spp_trace(sd->sd_act, sd->sd_ostate, sd->sd_cb, &sd->sd_sp,
		    &sd->sd_si, sd->sd_req);
	}
}

ptime(ms)
	int ms;
{

	printf("%03d ", (ms/10) % 1000);
}

numeric(c1, c2)
	caddr_t *c1, *c2;
{
	
	return (*c1 - *c2);
}

spp_trace(act, ostate, asp, sp, si, req)
	short act, ostate;
	struct sppcb *asp, *sp;
	struct spidp *si;
	int req;
{
	u_short seq, ack, len, alo;
	int flags, timer;
	char *cp;

	if(ostate >= TCP_NSTATES) ostate = 0;
	if(act > SA_DROP) act = SA_DROP;
	printf("\n");
	ptime(ntime);
	printf("%s:%s", tcpstates[ostate], sanames[act]);

	if (si != 0) {
		seq = si->si_seq;
		ack = si->si_ack;
		alo = si->si_alo;
		len = si->si_len;
		switch (act) {
		case SA_RESPOND:
		case SA_OUTPUT:
				seq = ntohs(seq);
				ack = ntohs(ack);
				alo = ntohs(alo);
				len = ntohs(len);
		case SA_INPUT:
		case SA_DROP:
			if (aflag) {
				printf("\n\tsna=");
				ns_printhost(&si->si_sna);
				printf("\tdna=");
				ns_printhost(&si->si_dna);
			}
			printf("\n\t");
#define p1(f)  { printf("%s = %x, ", "f", f); }
			p1(seq); p1(ack); p1(alo); p1(len);
			flags = si->si_cc;
			printf("flags=%x", flags);
			if (flags) {
				char *cp = "<";
#define pf(f) { if (flags&SP_/**/f) { printf("%s%s", cp, "f"); cp = ","; } }
				pf(SP); pf(SA); pf(OB); pf(EM);
				printf(">");
			}
			printf(", ");
#define p2(f)  { printf("%s = %x, ", "f", si->si_/**/f); }
			p2(sid);p2(did);p2(dt);
			printf("\n\tsna=");
			ns_printhost(&si->si_sna);
			printf("\tdna=");
			ns_printhost(&si->si_dna);
		}
	}
	if(act == SA_USER) {
		printf("\treq=%s", prurequests[req&0xff]);
		if ((req & 0xff) == PRU_SLOWTIMO)
			printf("<%s>", tcptimers[req>>8]);
	}
	printf(" -> %s", tcpstates[sp->s_state]);

	/* print out internal state of sp !?! */
	printf("\n");
	if (sp == 0)
		return;
#define p3(f)  { printf("%s = %x, ", "f", sp->s_/**/f); }
	if(sflag) {
		printf("\t"); p3(rack); p3(ralo); p3(snt); p3(flags);
#undef pf
#define pf(f) { if (flags&SF_/**/f) { printf("%s%s", cp, "f"); cp = ","; } }
		flags = sp->s_flags;
		if (flags || sp->s_oobflags) {
			char *cp = "<";
			pf(AK); pf(DELACK); pf(HI); pf(HO);
			flags = sp->s_oobflags;
			pf(SOOB); pf(IOOB);
			printf(">");
		}

	}
	/* print out timers? */
	if (tflag) {
		char *cp = "\t";
		register int i;

		printf("\n\tTIMERS: ");
		p3(idle); p3(force); p3(rtseq);
		for (i = 0; i < TCPT_NTIMERS; i++) {
			if (sp->s_timer[i] == 0)
				continue;
			printf("%s%s=%d", cp, tcptimers[i], sp->s_timer[i]);
			if (i == TCPT_REXMT)
				printf(" (s_rxtshft=%d)", sp->s_rxtshift);
			cp = ", ";
		}
		if (*cp != '\t')
			putchar('\n');
	}
}

ns_printhost(p)
register struct ns_addr *p;
{

	printf("<net:%x%x,host:%4.4x%4.4x%4.4x,port:%x>",
			p->x_net.s_net[0],
			p->x_net.s_net[1],
			p->x_host.s_host[0],
			p->x_host.s_host[1],
			p->x_host.s_host[2],
			p->x_port);

}
Commit	Line	Data
3fededfc KS	1	This manual page documents a tool used for debugging failures in
	2	the Xerox NS Sequenced packet protocol layer. It is adapted from
	3	the Internet equivalent trpt(8c).
	4	/*
	5	* Copyright (c) 1985 Regents of the University of California.
f157d52e KB	6	* All rights reserved.
	7	*
	8	* Redistribution and use in source and binary forms are permitted
	9	* provided that the above copyright notice and this paragraph are
	10	* duplicated in all such forms and that any documentation,
	11	* advertising materials, and other materials related to such
	12	* distribution and use acknowledge that the software was developed
	13	* by the University of California, Berkeley. The name of the
	14	* University may not be used to endorse or promote products derived
	15	* from this software without specific prior written permission.
	16	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
	17	* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
	18	* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
3fededfc KS	19	*/
	20
	21	#ifndef lint
	22	char copyright[] =
f157d52e	23	"@(#) Copyright (c) 1985 Regents of the University of California.\n\
3fededfc	24	All rights reserved.\n";
f157d52e	25	#endif /* not lint */
3fededfc KS	26
3fededfc KS	27	#ifndef lint
f157d52e KB	28	static char sccsid[] = "@(#)trsp.c 6.2 (Berkeley) %G%";
f157d52e KB	29	#endif /* not lint */
3fededfc KS	30
	31	#include <sys/param.h>
	32	#include <sys/socket.h>
	33	#include <sys/socketvar.h>
	34	#define PRUREQUESTS
	35	#include <sys/protosw.h>
	36
	37	#include <net/route.h>
	38	#include <net/if.h>
	39
	40	#define TCPSTATES
	41	#include <netinet/tcp_fsm.h>
	42	#define TCPTIMERS
	43	#include <netinet/tcp_timer.h>
	44
	45	#include <netns/ns.h>
	46	#include <netns/ns_pcb.h>
	47	#include <netns/idp.h>
	48	#include <netns/idp_var.h>
	49	#include <netns/sp.h>
	50	#include <netns/spidp.h>
	51	#include <netns/spp_var.h>
	52	#define SANAMES
	53	#include <netns/spp_debug.h>
	54
	55	#include <stdio.h>
	56	#include <errno.h>
	57	#include <nlist.h>
	58
	59	unsigned long ntime;
	60	int sflag;
	61	int tflag;
	62	int jflag;
	63	int aflag;
	64	int zflag;
	65	int numeric();
	66	struct nlist nl[] = {
	67	{ "_spp_debug" },
	68	{ "_spp_debx" },
	69	0
	70	};
	71	struct spp_debug spp_debug[SPP_NDEBUG];
	72	caddr_t spp_pcbs[SPP_NDEBUG];
	73	int spp_debx;
	74
	75	main(argc, argv)
	76	int argc;
	77	char **argv;
	78	{
	79	int i, mask = 0, npcbs = 0;
	80	char system = "/vmunix", core = "/dev/kmem";
	81
	82	argc--, argv++;
	83	again:
	84	if (argc > 0 && !strcmp(*argv, "-a")) {
	85	aflag++, argc--, argv++;
	86	goto again;
	87	}
	88	if (argc > 0 && !strcmp(*argv, "-z")) {
	89	zflag++, argc--, argv++;
	90	goto again;
	91	}
	92	if (argc > 0 && !strcmp(*argv, "-s")) {
	93	sflag++, argc--, argv++;
94	goto again;
95	}
96	if (argc > 0 && !strcmp(*argv, "-t")) {
97	tflag++, argc--, argv++;
98	goto again;
99	}
100	if (argc > 0 && !strcmp(*argv, "-j")) {
101	jflag++, argc--, argv++;
102	goto again;
103	}
104	if (argc > 0 && !strcmp(*argv, "-p")) {
105	argc--, argv++;
106	if (argc < 1) {
107	fprintf(stderr, "-p: missing sppcb address\n");
108	exit(1);
109	}
110	if (npcbs >= SPP_NDEBUG) {
111	fprintf(stderr, "-p: too many pcb's specified\n");
112	exit(1);
113	}
114	sscanf(*argv, "%x", &spp_pcbs[npcbs++]);
115	argc--, argv++;
116	goto again;
117	}
118	if (argc > 0) {
119	system = *argv;
120	argc--, argv++;
121	mask++;
122	}
123	if (argc > 0) {
124	core = *argv;
125	argc--, argv++;
126	mask++;
127	}
128	(void) nlist(system, nl);
129	if (nl[0].n_value == 0) {
130	fprintf(stderr, "trsp: %s: no namelist\n", system);
131	exit(1);
132	}
133	(void) close(0);
134	if (open(core, 0) < 0) {
135	fprintf(stderr, "trsp: "); perror(core);
136	exit(2);
137	}
138	if (mask) {
139	nl[0].n_value &= 0x7fffffff;
140	nl[1].n_value &= 0x7fffffff;
141	}
142	(void) lseek(0, nl[1].n_value, 0);
143	if (read(0, &spp_debx, sizeof (spp_debx)) != sizeof (spp_debx)) {
144	fprintf(stderr, "trsp: "); perror("spp_debx");
145	exit(3);
146	}
147	printf("spp_debx=%d\n", spp_debx);
148	(void) lseek(0, nl[0].n_value, 0);
149	if (read(0, spp_debug, sizeof (spp_debug)) != sizeof (spp_debug)) {
150	fprintf(stderr, "trsp: "); perror("spp_debug");
151	exit(3);
152	}
153	/*
154	* Here, we just want to clear out the old trace data and start over.
155	*/
156	if (zflag) {
157	char cp = (char ) spp_debug,
158	*cplim = cp + sizeof(spp_debug);
159	(void) close(0);
160	if (open(core, 2) < 0) {
161	fprintf(stderr, "trsp: "); perror(core);
162	exit(2);
163	}
164	while(cp < cplim) *cp++ = 0;
165	(void) lseek(0, nl[0].n_value, 0);
166	if (write(0, spp_debug, sizeof (spp_debug)) != sizeof (spp_debug)) {
167	fprintf(stderr, "trsp: "); perror("spp_debug");
168	exit(3);
169	}
170	(void) lseek(0, nl[1].n_value, 0);
171	spp_debx = 0;
172	if (write(0, &spp_debx, sizeof (spp_debx)) != sizeof (spp_debx)) {
173	fprintf(stderr, "trsp: "); perror("spp_debx");
174	exit(3);
175	}
176	exit(0);
177	}
178	/*
179	* If no control blocks have been specified, figure
180	* out how many distinct one we have and summarize
181	* them in spp_pcbs for sorting the trace records
182	* below.
183	*/
184	if (npcbs == 0) {
185	for (i = 0; i < SPP_NDEBUG; i++) {
186	register int j;
187	register struct spp_debug *sd = &spp_debug[i];
188
189	if (sd->sd_cb == 0)
190	continue;
191	for (j = 0; j < npcbs; j++)
192	if (spp_pcbs[j] == sd->sd_cb)
193	break;
194	if (j >= npcbs)
195	spp_pcbs[npcbs++] = sd->sd_cb;
196	}
197	}
198	qsort(spp_pcbs, npcbs, sizeof (caddr_t), numeric);
199	if (jflag) {
200	char *cp = "";
201
202	for (i = 0; i < npcbs; i++) {
203	printf("%s%x", cp, spp_pcbs[i]);
204	cp = ", ";
205	}
206	if (*cp)
207	putchar('\n');
208	exit(0);
209	}
210	for (i = 0; i < npcbs; i++) {
211	printf("\n%x:\n", spp_pcbs[i]);
212	dotrace(spp_pcbs[i]);
213	}
214	exit(0);
215	}
216
217	dotrace(sppcb)
218	register caddr_t sppcb;
219	{
220	register int i;
221	register struct spp_debug *sd;
222
223	for (i = spp_debx % SPP_NDEBUG; i < SPP_NDEBUG; i++) {
224	sd = &spp_debug[i];
225	if (sppcb && sd->sd_cb != sppcb)
226	continue;
227	ntime = ntohl(sd->sd_time);
228	spp_trace(sd->sd_act, sd->sd_ostate, sd->sd_cb, &sd->sd_sp,
229	&sd->sd_si, sd->sd_req);
230	}
231	for (i = 0; i < spp_debx % SPP_NDEBUG; i++) {
232	sd = &spp_debug[i];
233	if (sppcb && sd->sd_cb != sppcb)
234	continue;
235	ntime = ntohl(sd->sd_time);
236	spp_trace(sd->sd_act, sd->sd_ostate, sd->sd_cb, &sd->sd_sp,
237	&sd->sd_si, sd->sd_req);
238	}
239	}
240
241	ptime(ms)
242	int ms;
243	{
244
245	printf("%03d ", (ms/10) % 1000);
246	}
247
248	numeric(c1, c2)
249	caddr_t c1, c2;
250	{
251
252	return (c1 - c2);
253	}
254
255	spp_trace(act, ostate, asp, sp, si, req)
256	short act, ostate;
257	struct sppcb asp, sp;
258	struct spidp *si;
259	int req;
260	{
261	u_short seq, ack, len, alo;
262	int flags, timer;
263	char *cp;
264
265	if(ostate >= TCP_NSTATES) ostate = 0;
266	if(act > SA_DROP) act = SA_DROP;
267	printf("\n");
268	ptime(ntime);
269	printf("%s:%s", tcpstates[ostate], sanames[act]);
270
271	if (si != 0) {
272	seq = si->si_seq;
273	ack = si->si_ack;
274	alo = si->si_alo;
275	len = si->si_len;
276	switch (act) {
277	case SA_RESPOND:
278	case SA_OUTPUT:
279	seq = ntohs(seq);
280	ack = ntohs(ack);
281	alo = ntohs(alo);
282	len = ntohs(len);
283	case SA_INPUT:
284	case SA_DROP:
285	if (aflag) {
286	printf("\n\tsna=");
287	ns_printhost(&si->si_sna);
288	printf("\tdna=");
289	ns_printhost(&si->si_dna);
290	}
291	printf("\n\t");
292	#define p1(f) { printf("%s = %x, ", "f", f); }
293	p1(seq); p1(ack); p1(alo); p1(len);
294	flags = si->si_cc;
295	printf("flags=%x", flags);
296	if (flags) {
297	char *cp = "<";
298	#define pf(f) { if (flags&SP_/**/f) { printf("%s%s", cp, "f"); cp = ","; } }
299	pf(SP); pf(SA); pf(OB); pf(EM);
300	printf(">");
301	}
302	printf(", ");
303	#define p2(f) { printf("%s = %x, ", "f", si->si_/**/f); }
304	p2(sid);p2(did);p2(dt);
305	printf("\n\tsna=");
306	ns_printhost(&si->si_sna);
307	printf("\tdna=");
308	ns_printhost(&si->si_dna);
309	}
310	}
311	if(act == SA_USER) {
312	printf("\treq=%s", prurequests[req&0xff]);
313	if ((req & 0xff) == PRU_SLOWTIMO)
314	printf("<%s>", tcptimers[req>>8]);
315	}
316	printf(" -> %s", tcpstates[sp->s_state]);
317
318	/* print out internal state of sp !?! */
319	printf("\n");
320	if (sp == 0)
321	return;
322	#define p3(f) { printf("%s = %x, ", "f", sp->s_/**/f); }
323	if(sflag) {
324	printf("\t"); p3(rack); p3(ralo); p3(snt); p3(flags);
325	#undef pf
326	#define pf(f) { if (flags&SF_/**/f) { printf("%s%s", cp, "f"); cp = ","; } }
327	flags = sp->s_flags;
328	if (flags \|\| sp->s_oobflags) {
329	char *cp = "<";
330	pf(AK); pf(DELACK); pf(HI); pf(HO);
331	flags = sp->s_oobflags;
332	pf(SOOB); pf(IOOB);
333	printf(">");
334	}
335
336	}
337	/* print out timers? */
338	if (tflag) {
339	char *cp = "\t";
340	register int i;
341
342	printf("\n\tTIMERS: ");
343	p3(idle); p3(force); p3(rtseq);
344	for (i = 0; i < TCPT_NTIMERS; i++) {
345	if (sp->s_timer[i] == 0)
346	continue;
347	printf("%s%s=%d", cp, tcptimers[i], sp->s_timer[i]);
348	if (i == TCPT_REXMT)
349	printf(" (s_rxtshft=%d)", sp->s_rxtshift);
350	cp = ", ";
351	}
352	if (*cp != '\t')
353	putchar('\n');
354	}
355	}
356
357	ns_printhost(p)
358	register struct ns_addr *p;
359	{
360
361	printf("<net:%x%x,host:%4.4x%4.4x%4.4x,port:%x>",
362	p->x_net.s_net[0],
363	p->x_net.s_net[1],
364	p->x_host.s_host[0],
365	p->x_host.s_host[1],
366	p->x_host.s_host[2],
367	p->x_port);
368
369	}
370