/***********************************************************
Copyright IBM Corporation 1987
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
******************************************************************/
* ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
* $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.
static char *rcsid
= "$Header: tp_trace.c,v 5.3 88/11/18 17:29:14 nhall Exp $";
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.
tpTrace(tpcb
, event
, arg
, src
, len
, arg4
, arg5
)
register struct tp_Trace
*tp
;
tp
= &tp_Trace
[tp_Tracen
++];
tp
->tpt_arg2
= tpcb
->tp_lref
;
bcopy( (caddr_t
)&time
, (caddr_t
)&tp
->tpt_time
, sizeof(struct timeval
) );
bcopy((caddr_t
)src
, (caddr_t
)&tp
->tpt_ertpdu
,
(unsigned)MIN((int)len
, sizeof(struct tp_Trace
)));
bcopy((caddr_t
)arg
, (caddr_t
)tp
->tpt_str
,
(unsigned)MIN(1+strlen((caddr_t
) arg
), TPTRACE_STRLEN
));
bcopy((caddr_t
)src
, (caddr_t
)&tp
->tpt_param
, sizeof(struct tp_param
));
bcopy((caddr_t
)src
, (caddr_t
)&tp
->tpt_ref
, sizeof(struct tp_ref
));
bcopy((caddr_t
)src
, (caddr_t
)&tp
->tpt_tpdu
,
(unsigned)MIN((int)len
, sizeof(struct tp_Trace
)));