[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.
 *
 * %sccs.include.redist.c%
 */

#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	6.7 (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_timer.h>
#include <netns/spp_var.h>
#define SANAMES
#include <netns/spp_debug.h>

#include <stdio.h>
#include <errno.h>
#include <nlist.h>
#include <paths.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, *core;

	system = _PATH_UNIX;
	core = _PATH_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&f) { printf("%s%s", cp, "f"); cp = ","; } }
				pf(SP_SP); pf(SP_SA); pf(SP_OB); pf(SP_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(smax); p3(snxt); 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(ACKNOW); pf(DELACK); pf(HI); pf(HO);
			pf(PI); pf(WIN); pf(RXT); pf(RVD);
			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.
f157d52e KB	7	*
417f7a11	8	* %sccs.include.redist.c%
3fededfc KS	9	*/
	10
	11	#ifndef lint
	12	char copyright[] =
f157d52e	13	"@(#) Copyright (c) 1985 Regents of the University of California.\n\
3fededfc	14	All rights reserved.\n";
f157d52e	15	#endif /* not lint */
3fededfc KS	16
3fededfc KS	17	#ifndef lint
417f7a11	18	static char sccsid[] = "@(#)trsp.c 6.7 (Berkeley) %G%";
f157d52e	19	#endif /* not lint */
3fededfc KS	20
	21	#include <sys/param.h>
	22	#include <sys/socket.h>
	23	#include <sys/socketvar.h>
	24	#define PRUREQUESTS
	25	#include <sys/protosw.h>
	26
	27	#include <net/route.h>
	28	#include <net/if.h>
	29
	30	#define TCPSTATES
	31	#include <netinet/tcp_fsm.h>
	32	#define TCPTIMERS
	33	#include <netinet/tcp_timer.h>
	34
	35	#include <netns/ns.h>
	36	#include <netns/ns_pcb.h>
	37	#include <netns/idp.h>
	38	#include <netns/idp_var.h>
	39	#include <netns/sp.h>
	40	#include <netns/spidp.h>
157934a8	41	#include <netns/spp_timer.h>
3fededfc KS	42	#include <netns/spp_var.h>
	43	#define SANAMES
	44	#include <netns/spp_debug.h>
	45
	46	#include <stdio.h>
	47	#include <errno.h>
	48	#include <nlist.h>
7abf8d65	49	#include <paths.h>
3fededfc KS	50
	51	unsigned long ntime;
	52	int sflag;
	53	int tflag;
	54	int jflag;
	55	int aflag;
	56	int zflag;
	57	int numeric();
	58	struct nlist nl[] = {
	59	{ "_spp_debug" },
	60	{ "_spp_debx" },
	61	0
	62	};
	63	struct spp_debug spp_debug[SPP_NDEBUG];
	64	caddr_t spp_pcbs[SPP_NDEBUG];
	65	int spp_debx;
	66
	67	main(argc, argv)
	68	int argc;
	69	char **argv;
	70	{
	71	int i, mask = 0, npcbs = 0;
383be14d KB	72	char system, core;
	73
	74	system = _PATH_UNIX;
	75	core = _PATH_KMEM;
3fededfc KS	76
	77	argc--, argv++;
	78	again:
	79	if (argc > 0 && !strcmp(*argv, "-a")) {
	80	aflag++, argc--, argv++;
	81	goto again;
	82	}
	83	if (argc > 0 && !strcmp(*argv, "-z")) {
	84	zflag++, argc--, argv++;
	85	goto again;
	86	}
	87	if (argc > 0 && !strcmp(*argv, "-s")) {
	88	sflag++, argc--, argv++;
	89	goto again;
	90	}
	91	if (argc > 0 && !strcmp(*argv, "-t")) {
	92	tflag++, argc--, argv++;
	93	goto again;
	94	}
	95	if (argc > 0 && !strcmp(*argv, "-j")) {
	96	jflag++, argc--, argv++;
	97	goto again;
	98	}
	99	if (argc > 0 && !strcmp(*argv, "-p")) {
	100	argc--, argv++;
	101	if (argc < 1) {
	102	fprintf(stderr, "-p: missing sppcb address\n");
	103	exit(1);
	104	}
	105	if (npcbs >= SPP_NDEBUG) {
	106	fprintf(stderr, "-p: too many pcb's specified\n");
	107	exit(1);
	108	}
	109	sscanf(*argv, "%x", &spp_pcbs[npcbs++]);
	110	argc--, argv++;
	111	goto again;
	112	}
	113	if (argc > 0) {
	114	system = *argv;
	115	argc--, argv++;
	116	mask++;
	117	}
	118	if (argc > 0) {
	119	core = *argv;
	120	argc--, argv++;
	121	mask++;
	122	}
	123	(void) nlist(system, nl);
	124	if (nl[0].n_value == 0) {
	125	fprintf(stderr, "trsp: %s: no namelist\n", system);
	126	exit(1);
	127	}
	128	(void) close(0);
	129	if (open(core, 0) < 0) {
	130	fprintf(stderr, "trsp: "); perror(core);
	131	exit(2);
	132	}
	133	if (mask) {
	134	nl[0].n_value &= 0x7fffffff;
	135	nl[1].n_value &= 0x7fffffff;
	136	}
	137	(void) lseek(0, nl[1].n_value, 0);
	138	if (read(0, &spp_debx, sizeof (spp_debx)) != sizeof (spp_debx)) {
	139	fprintf(stderr, "trsp: "); perror("spp_debx");
140	exit(3);
141	}
142	printf("spp_debx=%d\n", spp_debx);
143	(void) lseek(0, nl[0].n_value, 0);
144	if (read(0, spp_debug, sizeof (spp_debug)) != sizeof (spp_debug)) {
145	fprintf(stderr, "trsp: "); perror("spp_debug");
146	exit(3);
147	}
148	/*
149	* Here, we just want to clear out the old trace data and start over.
150	*/
151	if (zflag) {
152	char cp = (char ) spp_debug,
153	*cplim = cp + sizeof(spp_debug);
154	(void) close(0);
155	if (open(core, 2) < 0) {
156	fprintf(stderr, "trsp: "); perror(core);
157	exit(2);
158	}
159	while(cp < cplim) *cp++ = 0;
160	(void) lseek(0, nl[0].n_value, 0);
161	if (write(0, spp_debug, sizeof (spp_debug)) != sizeof (spp_debug)) {
162	fprintf(stderr, "trsp: "); perror("spp_debug");
163	exit(3);
164	}
165	(void) lseek(0, nl[1].n_value, 0);
166	spp_debx = 0;
167	if (write(0, &spp_debx, sizeof (spp_debx)) != sizeof (spp_debx)) {
168	fprintf(stderr, "trsp: "); perror("spp_debx");
169	exit(3);
170	}
171	exit(0);
172	}
173	/*
174	* If no control blocks have been specified, figure
175	* out how many distinct one we have and summarize
176	* them in spp_pcbs for sorting the trace records
177	* below.
178	*/
179	if (npcbs == 0) {
180	for (i = 0; i < SPP_NDEBUG; i++) {
181	register int j;
182	register struct spp_debug *sd = &spp_debug[i];
183
184	if (sd->sd_cb == 0)
185	continue;
186	for (j = 0; j < npcbs; j++)
187	if (spp_pcbs[j] == sd->sd_cb)
188	break;
189	if (j >= npcbs)
190	spp_pcbs[npcbs++] = sd->sd_cb;
191	}
192	}
193	qsort(spp_pcbs, npcbs, sizeof (caddr_t), numeric);
194	if (jflag) {
195	char *cp = "";
196
197	for (i = 0; i < npcbs; i++) {
198	printf("%s%x", cp, spp_pcbs[i]);
199	cp = ", ";
200	}
201	if (*cp)
202	putchar('\n');
203	exit(0);
204	}
205	for (i = 0; i < npcbs; i++) {
206	printf("\n%x:\n", spp_pcbs[i]);
207	dotrace(spp_pcbs[i]);
208	}
209	exit(0);
210	}
211
212	dotrace(sppcb)
213	register caddr_t sppcb;
214	{
215	register int i;
216	register struct spp_debug *sd;
217
218	for (i = spp_debx % SPP_NDEBUG; i < SPP_NDEBUG; i++) {
219	sd = &spp_debug[i];
220	if (sppcb && sd->sd_cb != sppcb)
221	continue;
222	ntime = ntohl(sd->sd_time);
223	spp_trace(sd->sd_act, sd->sd_ostate, sd->sd_cb, &sd->sd_sp,
224	&sd->sd_si, sd->sd_req);
225	}
226	for (i = 0; i < spp_debx % SPP_NDEBUG; i++) {
227	sd = &spp_debug[i];
228	if (sppcb && sd->sd_cb != sppcb)
229	continue;
230	ntime = ntohl(sd->sd_time);
231	spp_trace(sd->sd_act, sd->sd_ostate, sd->sd_cb, &sd->sd_sp,
232	&sd->sd_si, sd->sd_req);
233	}
234	}
235
236	ptime(ms)
237	int ms;
238	{
239
240	printf("%03d ", (ms/10) % 1000);
241	}
242
243	numeric(c1, c2)
244	caddr_t c1, c2;
245	{
246
247	return (c1 - c2);
248	}
249
250	spp_trace(act, ostate, asp, sp, si, req)
251	short act, ostate;
252	struct sppcb asp, sp;
253	struct spidp *si;
254	int req;
255	{
256	u_short seq, ack, len, alo;
257	int flags, timer;
258	char *cp;
259
260	if(ostate >= TCP_NSTATES) ostate = 0;
261	if(act > SA_DROP) act = SA_DROP;
262	printf("\n");
263	ptime(ntime);
264	printf("%s:%s", tcpstates[ostate], sanames[act]);
265
266	if (si != 0) {
267	seq = si->si_seq;
268	ack = si->si_ack;
269	alo = si->si_alo;
270	len = si->si_len;
271	switch (act) {
272	case SA_RESPOND:
273	case SA_OUTPUT:
274	seq = ntohs(seq);
275	ack = ntohs(ack);
276	alo = ntohs(alo);
277	len = ntohs(len);
278	case SA_INPUT:
279	case SA_DROP:
280	if (aflag) {
281	printf("\n\tsna=");
282	ns_printhost(&si->si_sna);
283	printf("\tdna=");
284	ns_printhost(&si->si_dna);
285	}
286	printf("\n\t");
287	#define p1(f) { printf("%s = %x, ", "f", f); }
288	p1(seq); p1(ack); p1(alo); p1(len);
289	flags = si->si_cc;
290	printf("flags=%x", flags);
291	if (flags) {
292	char *cp = "<";
519a537d KB	293	#define pf(f) { if (flags&f) { printf("%s%s", cp, "f"); cp = ","; } }
519a537d KB	294	pf(SP_SP); pf(SP_SA); pf(SP_OB); pf(SP_EM);
3fededfc KS	295	printf(">");
	296	}
	297	printf(", ");
	298	#define p2(f) { printf("%s = %x, ", "f", si->si_/**/f); }
	299	p2(sid);p2(did);p2(dt);
	300	printf("\n\tsna=");
	301	ns_printhost(&si->si_sna);
	302	printf("\tdna=");
	303	ns_printhost(&si->si_dna);
	304	}
	305	}
	306	if(act == SA_USER) {
	307	printf("\treq=%s", prurequests[req&0xff]);
	308	if ((req & 0xff) == PRU_SLOWTIMO)
	309	printf("<%s>", tcptimers[req>>8]);
	310	}
	311	printf(" -> %s", tcpstates[sp->s_state]);
	312
	313	/* print out internal state of sp !?! */
	314	printf("\n");
	315	if (sp == 0)
	316	return;
	317	#define p3(f) { printf("%s = %x, ", "f", sp->s_/**/f); }
	318	if(sflag) {
157934a8	319	printf("\t"); p3(rack); p3(ralo); p3(smax); p3(snxt); p3(flags);
3fededfc KS	320	#undef pf
	321	#define pf(f) { if (flags&SF_/**/f) { printf("%s%s", cp, "f"); cp = ","; } }
	322	flags = sp->s_flags;
	323	if (flags \|\| sp->s_oobflags) {
	324	char *cp = "<";
157934a8 KB	325	pf(ACKNOW); pf(DELACK); pf(HI); pf(HO);
157934a8 KB	326	pf(PI); pf(WIN); pf(RXT); pf(RVD);
3fededfc KS	327	flags = sp->s_oobflags;
	328	pf(SOOB); pf(IOOB);
	329	printf(">");
	330	}
	331
	332	}
	333	/* print out timers? */
	334	if (tflag) {
	335	char *cp = "\t";
	336	register int i;
	337
	338	printf("\n\tTIMERS: ");
	339	p3(idle); p3(force); p3(rtseq);
	340	for (i = 0; i < TCPT_NTIMERS; i++) {
	341	if (sp->s_timer[i] == 0)
	342	continue;
	343	printf("%s%s=%d", cp, tcptimers[i], sp->s_timer[i]);
	344	if (i == TCPT_REXMT)
	345	printf(" (s_rxtshft=%d)", sp->s_rxtshift);
	346	cp = ", ";
	347	}
	348	if (*cp != '\t')
	349	putchar('\n');
	350	}
	351	}
	352
	353	ns_printhost(p)
	354	register struct ns_addr *p;
	355	{
	356
	357	printf("<net:%x%x,host:%4.4x%4.4x%4.4x,port:%x>",
	358	p->x_net.s_net[0],
	359	p->x_net.s_net[1],
	360	p->x_host.s_host[0],
	361	p->x_host.s_host[1],
	362	p->x_host.s_host[2],
	363	p->x_port);
	364
	365	}
	366