[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.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1980 Regents of the University of California.\n\
 All rights reserved.\n";
#endif not lint

#ifndef lint
static char sccsid[] = "@(#)trsp.c	6.1 (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.
	6	* All rights reserved. The Berkeley software License Agreement
	7	* specifies the terms and conditions for redistribution.
	8	*/
	9
	10	#ifndef lint
	11	char copyright[] =
	12	"@(#) Copyright (c) 1980 Regents of the University of California.\n\
	13	All rights reserved.\n";
	14	#endif not lint
	15
	16	#ifndef lint
	17	static char sccsid[] = "@(#)trsp.c 6.1 (Berkeley) %G%";
	18	#endif not lint
	19
	20	#include <sys/param.h>
	21	#include <sys/socket.h>
	22	#include <sys/socketvar.h>
	23	#define PRUREQUESTS
	24	#include <sys/protosw.h>
	25
	26	#include <net/route.h>
	27	#include <net/if.h>
	28
	29	#define TCPSTATES
	30	#include <netinet/tcp_fsm.h>
	31	#define TCPTIMERS
	32	#include <netinet/tcp_timer.h>
	33
	34	#include <netns/ns.h>
	35	#include <netns/ns_pcb.h>
	36	#include <netns/idp.h>
	37	#include <netns/idp_var.h>
	38	#include <netns/sp.h>
	39	#include <netns/spidp.h>
	40	#include <netns/spp_var.h>
	41	#define SANAMES
	42	#include <netns/spp_debug.h>
	43
	44	#include <stdio.h>
	45	#include <errno.h>
	46	#include <nlist.h>
	47
	48	unsigned long ntime;
	49	int sflag;
	50	int tflag;
	51	int jflag;
	52	int aflag;
	53	int zflag;
	54	int numeric();
	55	struct nlist nl[] = {
	56	{ "_spp_debug" },
	57	{ "_spp_debx" },
	58	0
	59	};
	60	struct spp_debug spp_debug[SPP_NDEBUG];
	61	caddr_t spp_pcbs[SPP_NDEBUG];
	62	int spp_debx;
	63
	64	main(argc, argv)
65	int argc;
66	char **argv;
67	{
68	int i, mask = 0, npcbs = 0;
69	char system = "/vmunix", core = "/dev/kmem";
70
71	argc--, argv++;
72	again:
73	if (argc > 0 && !strcmp(*argv, "-a")) {
74	aflag++, argc--, argv++;
75	goto again;
76	}
77	if (argc > 0 && !strcmp(*argv, "-z")) {
78	zflag++, argc--, argv++;
79	goto again;
80	}
81	if (argc > 0 && !strcmp(*argv, "-s")) {
82	sflag++, argc--, argv++;
83	goto again;
84	}
85	if (argc > 0 && !strcmp(*argv, "-t")) {
86	tflag++, argc--, argv++;
87	goto again;
88	}
89	if (argc > 0 && !strcmp(*argv, "-j")) {
90	jflag++, argc--, argv++;
91	goto again;
92	}
93	if (argc > 0 && !strcmp(*argv, "-p")) {
94	argc--, argv++;
95	if (argc < 1) {
96	fprintf(stderr, "-p: missing sppcb address\n");
97	exit(1);
98	}
99	if (npcbs >= SPP_NDEBUG) {
100	fprintf(stderr, "-p: too many pcb's specified\n");
101	exit(1);
102	}
103	sscanf(*argv, "%x", &spp_pcbs[npcbs++]);
104	argc--, argv++;
105	goto again;
106	}
107	if (argc > 0) {
108	system = *argv;
109	argc--, argv++;
110	mask++;
111	}
112	if (argc > 0) {
113	core = *argv;
114	argc--, argv++;
115	mask++;
116	}
117	(void) nlist(system, nl);
118	if (nl[0].n_value == 0) {
119	fprintf(stderr, "trsp: %s: no namelist\n", system);
120	exit(1);
121	}
122	(void) close(0);
123	if (open(core, 0) < 0) {
124	fprintf(stderr, "trsp: "); perror(core);
125	exit(2);
126	}
127	if (mask) {
128	nl[0].n_value &= 0x7fffffff;
129	nl[1].n_value &= 0x7fffffff;
130	}
131	(void) lseek(0, nl[1].n_value, 0);
132	if (read(0, &spp_debx, sizeof (spp_debx)) != sizeof (spp_debx)) {
133	fprintf(stderr, "trsp: "); perror("spp_debx");
134	exit(3);
135	}
136	printf("spp_debx=%d\n", spp_debx);
137	(void) lseek(0, nl[0].n_value, 0);
138	if (read(0, spp_debug, sizeof (spp_debug)) != sizeof (spp_debug)) {
139	fprintf(stderr, "trsp: "); perror("spp_debug");
140	exit(3);
141	}
142	/*
143	* Here, we just want to clear out the old trace data and start over.
144	*/
145	if (zflag) {
146	char cp = (char ) spp_debug,
147	*cplim = cp + sizeof(spp_debug);
148	(void) close(0);
149	if (open(core, 2) < 0) {
150	fprintf(stderr, "trsp: "); perror(core);
151	exit(2);
152	}
153	while(cp < cplim) *cp++ = 0;
154	(void) lseek(0, nl[0].n_value, 0);
155	if (write(0, spp_debug, sizeof (spp_debug)) != sizeof (spp_debug)) {
156	fprintf(stderr, "trsp: "); perror("spp_debug");
157	exit(3);
158	}
159	(void) lseek(0, nl[1].n_value, 0);
160	spp_debx = 0;
161	if (write(0, &spp_debx, sizeof (spp_debx)) != sizeof (spp_debx)) {
162	fprintf(stderr, "trsp: "); perror("spp_debx");
163	exit(3);
164	}
165	exit(0);
166	}
167	/*
168	* If no control blocks have been specified, figure
169	* out how many distinct one we have and summarize
170	* them in spp_pcbs for sorting the trace records
171	* below.
172	*/
173	if (npcbs == 0) {
174	for (i = 0; i < SPP_NDEBUG; i++) {
175	register int j;
176	register struct spp_debug *sd = &spp_debug[i];
177
178	if (sd->sd_cb == 0)
179	continue;
180	for (j = 0; j < npcbs; j++)
181	if (spp_pcbs[j] == sd->sd_cb)
182	break;
183	if (j >= npcbs)
184	spp_pcbs[npcbs++] = sd->sd_cb;
185	}
186	}
187	qsort(spp_pcbs, npcbs, sizeof (caddr_t), numeric);
188	if (jflag) {
189	char *cp = "";
190
191	for (i = 0; i < npcbs; i++) {
192	printf("%s%x", cp, spp_pcbs[i]);
193	cp = ", ";
194	}
195	if (*cp)
196	putchar('\n');
197	exit(0);
198	}
199	for (i = 0; i < npcbs; i++) {
200	printf("\n%x:\n", spp_pcbs[i]);
201	dotrace(spp_pcbs[i]);
202	}
203	exit(0);
204	}
205
206	dotrace(sppcb)
207	register caddr_t sppcb;
208	{
209	register int i;
210	register struct spp_debug *sd;
211
212	for (i = spp_debx % SPP_NDEBUG; i < SPP_NDEBUG; i++) {
213	sd = &spp_debug[i];
214	if (sppcb && sd->sd_cb != sppcb)
215	continue;
216	ntime = ntohl(sd->sd_time);
217	spp_trace(sd->sd_act, sd->sd_ostate, sd->sd_cb, &sd->sd_sp,
218	&sd->sd_si, sd->sd_req);
219	}
220	for (i = 0; i < spp_debx % SPP_NDEBUG; i++) {
221	sd = &spp_debug[i];
222	if (sppcb && sd->sd_cb != sppcb)
223	continue;
224	ntime = ntohl(sd->sd_time);
225	spp_trace(sd->sd_act, sd->sd_ostate, sd->sd_cb, &sd->sd_sp,
226	&sd->sd_si, sd->sd_req);
227	}
228	}
229
230	ptime(ms)
231	int ms;
232	{
233
234	printf("%03d ", (ms/10) % 1000);
235	}
236
237	numeric(c1, c2)
238	caddr_t c1, c2;
239	{
240
241	return (c1 - c2);
242	}
243
244	spp_trace(act, ostate, asp, sp, si, req)
245	short act, ostate;
246	struct sppcb asp, sp;
247	struct spidp *si;
248	int req;
249	{
250	u_short seq, ack, len, alo;
251	int flags, timer;
252	char *cp;
253
254	if(ostate >= TCP_NSTATES) ostate = 0;
255	if(act > SA_DROP) act = SA_DROP;
256	printf("\n");
257	ptime(ntime);
258	printf("%s:%s", tcpstates[ostate], sanames[act]);
259
260	if (si != 0) {
261	seq = si->si_seq;
262	ack = si->si_ack;
263	alo = si->si_alo;
264	len = si->si_len;
265	switch (act) {
266	case SA_RESPOND:
267	case SA_OUTPUT:
268	seq = ntohs(seq);
269	ack = ntohs(ack);
270	alo = ntohs(alo);
271	len = ntohs(len);
272	case SA_INPUT:
273	case SA_DROP:
274	if (aflag) {
275	printf("\n\tsna=");
276	ns_printhost(&si->si_sna);
277	printf("\tdna=");
278	ns_printhost(&si->si_dna);
279	}
280	printf("\n\t");
281	#define p1(f) { printf("%s = %x, ", "f", f); }
282	p1(seq); p1(ack); p1(alo); p1(len);
283	flags = si->si_cc;
284	printf("flags=%x", flags);
285	if (flags) {
286	char *cp = "<";
287	#define pf(f) { if (flags&SP_/**/f) { printf("%s%s", cp, "f"); cp = ","; } }
288	pf(SP); pf(SA); pf(OB); pf(EM);
289	printf(">");
290	}
291	printf(", ");
292	#define p2(f) { printf("%s = %x, ", "f", si->si_/**/f); }
293	p2(sid);p2(did);p2(dt);
294	printf("\n\tsna=");
295	ns_printhost(&si->si_sna);
296	printf("\tdna=");
297	ns_printhost(&si->si_dna);
298	}
299	}
300	if(act == SA_USER) {
301	printf("\treq=%s", prurequests[req&0xff]);
302	if ((req & 0xff) == PRU_SLOWTIMO)
303	printf("<%s>", tcptimers[req>>8]);
304	}
305	printf(" -> %s", tcpstates[sp->s_state]);
306
307	/* print out internal state of sp !?! */
308	printf("\n");
309	if (sp == 0)
310	return;
311	#define p3(f) { printf("%s = %x, ", "f", sp->s_/**/f); }
312	if(sflag) {
313	printf("\t"); p3(rack); p3(ralo); p3(snt); p3(flags);
314	#undef pf
315	#define pf(f) { if (flags&SF_/**/f) { printf("%s%s", cp, "f"); cp = ","; } }
316	flags = sp->s_flags;
317	if (flags \|\| sp->s_oobflags) {
318	char *cp = "<";
319	pf(AK); pf(DELACK); pf(HI); pf(HO);
320	flags = sp->s_oobflags;
321	pf(SOOB); pf(IOOB);
322	printf(">");
323	}
324
325	}
326	/* print out timers? */
327	if (tflag) {
328	char *cp = "\t";
329	register int i;
330
331	printf("\n\tTIMERS: ");
332	p3(idle); p3(force); p3(rtseq);
333	for (i = 0; i < TCPT_NTIMERS; i++) {
334	if (sp->s_timer[i] == 0)
335	continue;
336	printf("%s%s=%d", cp, tcptimers[i], sp->s_timer[i]);
337	if (i == TCPT_REXMT)
338	printf(" (s_rxtshft=%d)", sp->s_rxtshift);
339	cp = ", ";
340	}
341	if (*cp != '\t')
342	putchar('\n');
343	}
344	}
345
346	ns_printhost(p)
347	register struct ns_addr *p;
348	{
349
350	printf("<net:%x%x,host:%4.4x%4.4x%4.4x,port:%x>",
351	p->x_net.s_net[0],
352	p->x_net.s_net[1],
353	p->x_host.s_host[0],
354	p->x_host.s_host[1],
355	p->x_host.s_host[2],
356	p->x_port);
357
358	}
359