From: Bill Joy <wnj@ucbvax.Berkeley.EDU>
Date: Sat, 3 Apr 1982 01:29:14 +0000 (-0800)
Subject: date and time created 82/04/02 10:29:14 by wnj
X-Git-Tag: BSD-4_1c_2-Snapshot-Development~3691
X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/commitdiff_plain/9a3a7863a8cbf0bb84f892cbd0e2ef624e8fc8a1

date and time created 82/04/02 10:29:14 by wnj

SCCS-vsn: usr.sbin/trpt/trpt.c 4.1
---

diff --git a/usr/src/usr.sbin/trpt/trpt.c b/usr/src/usr.sbin/trpt/trpt.c
new file mode 100644
index 0000000000..a050c4a8a4
--- /dev/null
+++ b/usr/src/usr.sbin/trpt/trpt.c
@@ -0,0 +1,161 @@
+#ifndef lint
+static char sccsid[] = "@(#)trpt.c	4.1 82/04/02";
+#endif
+
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+#define PRUREQUESTS
+#include <sys/protosw.h>
+#include <net/in.h>
+#include <net/route.h>
+#include <net/in_pcb.h>
+#include <net/in_systm.h>
+#include <net/if.h>
+#include <net/ip.h>
+#include <net/ip_var.h>
+#include <net/tcp.h>
+#define TCPSTATES
+#include <net/tcp_fsm.h>
+#include <net/tcp_seq.h>
+#define	TCPTIMERS
+#include <net/tcp_timer.h>
+#include <net/tcp_var.h>
+#include <net/tcpip.h>
+#define	TANAMES
+#include <net/tcp_debug.h>
+#include <errno.h>
+
+#include <nlist.h>
+
+n_time	ntime;
+int	sflag;
+struct	nlist nl[] = {
+	{ "_tcp_debug" },
+	{ "_tcp_debx" },
+	0
+};
+struct	tcp_debug tcp_debug[TCP_NDEBUG];
+int	tcp_debx;
+
+main(argc, argv)
+	int argc;
+	char **argv;
+{
+	int i;
+
+	argc--, argv++;
+again:
+	if (argc > 0 && !strcmp(*argv, "-s")) {
+		sflag++, argc--, argv++;
+		goto again;
+	}
+	nlist(argc > 0 ? *argv : "/vmunix", nl);
+	if (nl[0].n_value == 0) {
+		printf("no namelist\n");
+		exit(1);
+	}
+	close(0);
+	open(argc > 1 ? argv[1] : "/dev/kmem", 0);
+	if (argc > 1) {
+		nl[0].n_value &= 0x7fffffff;
+		nl[1].n_value &= 0x7fffffff;
+	}
+	lseek(0, nl[1].n_value, 0);
+	read(0, &tcp_debx, sizeof (tcp_debx));
+	printf("tcp_debx=%d\n", tcp_debx);
+	lseek(0, nl[0].n_value, 0);
+	read(0, tcp_debug, sizeof (tcp_debug));
+	for (i = tcp_debx % TCP_NDEBUG; i < TCP_NDEBUG; i++) {
+		struct tcp_debug *td = &tcp_debug[i];
+		ntime = td->td_time;
+#if vax
+		ntime = ntohl(ntime);
+#endif
+		tcp_trace(td->td_act, td->td_ostate, td->td_tcb, &td->td_cb,
+		    &td->td_ti, td->td_req);
+	}
+	for (i = 0; i < tcp_debx % TCP_NDEBUG; i++) {
+		struct tcp_debug *td = &tcp_debug[i];
+		ntime = td->td_time;
+#if vax
+		ntime = ntohl(ntime);
+#endif
+		tcp_trace(td->td_act, td->td_ostate, td->td_tcb, &td->td_cb,
+		    &td->td_ti, td->td_req);
+	}
+	exit(0);
+}
+
+/*
+ * Tcp debug routines
+ */
+tcp_trace(act, ostate, atp, tp, ti, req)
+	short act, ostate;
+	struct tcpcb *atp, *tp;
+	struct tcpiphdr *ti;
+	int req;
+{
+	tcp_seq seq, ack;
+	int len, flags, win;
+	char *cp;
+
+	ptime(ntime);
+	printf("%x %s:%s ", ((int)atp)&0xfffff,
+	    tcpstates[ostate], tanames[act]);
+	switch (act) {
+
+	case TA_INPUT:
+	case TA_OUTPUT:
+		seq = ti->ti_seq;
+		ack = ti->ti_ack;
+		len = ti->ti_len;
+		win = ti->ti_win;
+#if vax
+		if (act == TA_OUTPUT) {
+			seq = ntohl(seq);
+			ack = ntohl(ack);
+			len = ntohs(len);
+			win = ntohs(win);
+		}
+#endif
+		if (act == TA_OUTPUT)
+			len -= sizeof (struct tcphdr);
+		if (len)
+			printf("[%x..%x)", seq, seq+len);
+		else
+			printf("%x", seq);
+		printf("@%x", ack);
+		if (win)
+			printf("(win=%d)", win);
+		flags = ti->ti_flags;
+		if (flags) {
+			char *cp = "<";
+#define pf(f) { if (ti->ti_flags&TH_/**/f) { printf("%s%s", cp, "f"); cp = ","; } }
+			pf(SYN); pf(ACK); pf(FIN); pf(RST); pf(URG);
+			printf(">");
+		}
+		break;
+
+	case TA_USER:
+		printf("%s", prurequests[req&0xff]);
+		if (req >> 8)
+			printf("<%s>", tcptimers[req>>8]);
+		break;
+	}
+	printf(" -> %s", tcpstates[tp->t_state]);
+	/* print out internal state of tp !?! */
+	printf("\n");
+	if (sflag) {
+		printf("\trcv_nxt %x rcv_wnd %d snd_una %x snd_nxt %x snd_max %x\n",
+		    tp->rcv_nxt, tp->rcv_wnd, tp->snd_una, tp->snd_nxt, tp->snd_max);
+		printf("\tsnd_wl1 %x snd_wl2 %x snd_wnd %x\n", tp->snd_wl1, tp->snd_wl2, tp->snd_wnd);
+	}
+}
+
+ptime(ms)
+	int ms;
+{
+
+	printf("%03d ", (ms/10) % 1000);
+}