[unix-history] / usr / src / sys / netiso / tp_trace.c

/***********************************************************
		Copyright IBM Corporation 1987

                      All Rights Reserved

Permission to use, copy, modify, and distribute this software and its 
documentation for any purpose and without fee is hereby granted, 
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in 
supporting documentation, and that the name of IBM not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.  

IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
SOFTWARE.

******************************************************************/

/*
 * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
 */
/* 
 * ARGO TP
 *
 * $Header: tp_trace.c,v 5.3 88/11/18 17:29:14 nhall Exp $
 * $Source: /usr/argo/sys/netiso/RCS/tp_trace.c,v $
 *	@(#)tp_trace.c	7.3 (Berkeley) %G% *
 *
 * The whole protocol trace module.
 * We keep a circular buffer of trace structures, which are big
 * unions of different structures we might want to see.
 * Unfortunately this gets too big pretty easily. Pcbs were removed
 * from the tracing when the kernel got too big to boot.
 */

#ifndef lint
static char *rcsid = "$Header: tp_trace.c,v 5.3 88/11/18 17:29:14 nhall Exp $";
#endif lint

#define TP_TRACEFILE

#include "param.h"
#include "systm.h"
#include "mbuf.h"
#include "socket.h"
#include "types.h"
#include "time.h"

#include "tp_param.h"
#include "tp_timer.h"
#include "tp_stat.h"
#include "tp_param.h"
#include "tp_ip.h"
#include "tp_pcb.h"
#include "tp_tpdu.h"
#include "argo_debug.h"
#include "tp_trace.h"

#ifdef TPPT
static tp_seq = 0;
u_char tp_traceflags[128];

/*
 * The argument tpcb is the obvious.
 * event here is just the type of trace event - TPPTmisc, etc.
 * The rest of the arguments have different uses depending
 * on the type of trace event.
 */
/*ARGSUSED*/
/*VARARGS*/

void
tpTrace(tpcb, event, arg, src, len, arg4, arg5)
	struct tp_pcb	*tpcb;
	u_int 			event, arg;
	u_int	 		src;
	u_int	 		len; 
	u_int	 		arg4;
	u_int	 		arg5;
{
	register struct tp_Trace *tp;

	tp = &tp_Trace[tp_Tracen++];
	tp_Tracen %= TPTRACEN;

	tp->tpt_event = event;
	tp->tpt_tseq = tp_seq++;
	tp->tpt_arg = arg;
	if(tpcb)
		tp->tpt_arg2 = tpcb->tp_lref;
	bcopy( (caddr_t)&time, (caddr_t)&tp->tpt_time, sizeof(struct timeval) );

	switch(event) {

	case TPPTertpdu:
		bcopy((caddr_t)src, (caddr_t)&tp->tpt_ertpdu,
			(unsigned)MIN((int)len, sizeof(struct tp_Trace)));
		break;

	case TPPTusrreq:
	case TPPTmisc:

		/* arg is a string */
		bcopy((caddr_t)arg, (caddr_t)tp->tpt_str, 
			(unsigned)MIN(1+strlen((caddr_t) arg), TPTRACE_STRLEN));
		tp->tpt_m2 = src; 
		tp->tpt_m3 = len;
		tp->tpt_m4 = arg4;
		tp->tpt_m1 = arg5;
		break;

	case TPPTgotXack: 
	case TPPTXack: 
	case TPPTsendack: 
	case TPPTgotack: 
	case TPPTack: 
	case TPPTindicate: 
	default:
	case TPPTdriver: 
		tp->tpt_m2 = arg; 
		tp->tpt_m3 = src;
		tp->tpt_m4 = len;
		tp->tpt_m5 = arg4;
		tp->tpt_m1 = arg5; 
		break;
	case TPPTparam:
		bcopy((caddr_t)src, (caddr_t)&tp->tpt_param, sizeof(struct tp_param));
		break;
	case TPPTref:
		bcopy((caddr_t)src, (caddr_t)&tp->tpt_ref, sizeof(struct tp_ref));
		break;

	case TPPTtpduin:
	case TPPTtpduout:
		tp->tpt_arg2 = arg4;
		bcopy((caddr_t)src, (caddr_t)&tp->tpt_tpdu,
		      (unsigned)MIN((int)len, sizeof(struct tp_Trace)));
		break;
	}
}
#endif TPPT
Commit	Line	Data
1c490f1b KS	1	/***********************************************************
	2	Copyright IBM Corporation 1987
	3
	4	All Rights Reserved
	5
	6	Permission to use, copy, modify, and distribute this software and its
	7	documentation for any purpose and without fee is hereby granted,
	8	provided that the above copyright notice appear in all copies and that
	9	both that copyright notice and this permission notice appear in
	10	supporting documentation, and that the name of IBM not be
	11	used in advertising or publicity pertaining to distribution of the
	12	software without specific, written prior permission.
	13
	14	IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
	15	ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
	16	IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
	17	ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
	18	WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
	19	ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
	20	SOFTWARE.
	21
	22	******************************************************************/
	23
	24	/*
	25	* ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
	26	*/
	27	/*
	28	* ARGO TP
	29	*
	30	* $Header: tp_trace.c,v 5.3 88/11/18 17:29:14 nhall Exp $
	31	* $Source: /usr/argo/sys/netiso/RCS/tp_trace.c,v $
44f52ea5	32	* @(#)tp_trace.c 7.3 (Berkeley) %G% *
1c490f1b KS	33	*
	34	* The whole protocol trace module.
	35	* We keep a circular buffer of trace structures, which are big
	36	* unions of different structures we might want to see.
	37	* Unfortunately this gets too big pretty easily. Pcbs were removed
	38	* from the tracing when the kernel got too big to boot.
	39	*/
	40
	41	#ifndef lint
	42	static char *rcsid = "$Header: tp_trace.c,v 5.3 88/11/18 17:29:14 nhall Exp $";
	43	#endif lint
	44
	45	#define TP_TRACEFILE
	46
	47	#include "param.h"
	48	#include "systm.h"
	49	#include "mbuf.h"
	50	#include "socket.h"
	51	#include "types.h"
	52	#include "time.h"
	53
a50e2bc0 KS	54	#include "tp_param.h"
	55	#include "tp_timer.h"
	56	#include "tp_stat.h"
	57	#include "tp_param.h"
	58	#include "tp_ip.h"
	59	#include "tp_pcb.h"
	60	#include "tp_tpdu.h"
	61	#include "argo_debug.h"
	62	#include "tp_trace.h"
1c490f1b KS	63
	64	#ifdef TPPT
	65	static tp_seq = 0;
	66	u_char tp_traceflags[128];
	67
	68	/*
	69	* The argument tpcb is the obvious.
	70	* event here is just the type of trace event - TPPTmisc, etc.
	71	* The rest of the arguments have different uses depending
	72	* on the type of trace event.
	73	*/
	74	/ARGSUSED/
	75	/VARARGS/
	76
	77	void
	78	tpTrace(tpcb, event, arg, src, len, arg4, arg5)
	79	struct tp_pcb *tpcb;
	80	u_int event, arg;
	81	u_int src;
	82	u_int len;
	83	u_int arg4;
	84	u_int arg5;
	85	{
	86	register struct tp_Trace *tp;
	87
	88	tp = &tp_Trace[tp_Tracen++];
	89	tp_Tracen %= TPTRACEN;
	90
	91	tp->tpt_event = event;
	92	tp->tpt_tseq = tp_seq++;
	93	tp->tpt_arg = arg;
	94	if(tpcb)
	95	tp->tpt_arg2 = tpcb->tp_lref;
	96	bcopy( (caddr_t)&time, (caddr_t)&tp->tpt_time, sizeof(struct timeval) );
	97
	98	switch(event) {
	99
	100	case TPPTertpdu:
	101	bcopy((caddr_t)src, (caddr_t)&tp->tpt_ertpdu,
a50e2bc0	102	(unsigned)MIN((int)len, sizeof(struct tp_Trace)));
1c490f1b KS	103	break;
	104
	105	case TPPTusrreq:
	106	case TPPTmisc:
	107
	108	/* arg is a string */
	109	bcopy((caddr_t)arg, (caddr_t)tp->tpt_str,
a50e2bc0	110	(unsigned)MIN(1+strlen((caddr_t) arg), TPTRACE_STRLEN));
1c490f1b KS	111	tp->tpt_m2 = src;
	112	tp->tpt_m3 = len;
	113	tp->tpt_m4 = arg4;
	114	tp->tpt_m1 = arg5;
	115	break;
	116
	117	case TPPTgotXack:
	118	case TPPTXack:
	119	case TPPTsendack:
	120	case TPPTgotack:
	121	case TPPTack:
	122	case TPPTindicate:
	123	default:
	124	case TPPTdriver:
	125	tp->tpt_m2 = arg;
	126	tp->tpt_m3 = src;
	127	tp->tpt_m4 = len;
	128	tp->tpt_m5 = arg4;
	129	tp->tpt_m1 = arg5;
	130	break;
	131	case TPPTparam:
	132	bcopy((caddr_t)src, (caddr_t)&tp->tpt_param, sizeof(struct tp_param));
	133	break;
	134	case TPPTref:
	135	bcopy((caddr_t)src, (caddr_t)&tp->tpt_ref, sizeof(struct tp_ref));
	136	break;
	137
	138	case TPPTtpduin:
	139	case TPPTtpduout:
	140	tp->tpt_arg2 = arg4;
a50e2bc0 KS	141	bcopy((caddr_t)src, (caddr_t)&tp->tpt_tpdu,
a50e2bc0 KS	142	(unsigned)MIN((int)len, sizeof(struct tp_Trace)));
1c490f1b KS	143	break;
	144	}
	145	}
	146	#endif TPPT