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/* $NetBSD: trace.h,v 1.8 1995/06/20 22:28:04 christos Exp $ */
/*
* Copyright (c) 1983, 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)trace.h 8.1 (Berkeley) 6/5/93
*/
/*
* Routing table management daemon.
*/
/*
* Trace record format.
*/
struct iftrace {
struct timeval ift_stamp; /* time stamp */
struct sockaddr ift_who; /* from/to */
char *ift_packet; /* pointer to packet */
short ift_size; /* size of packet */
short ift_metric; /* metric on associated metric */
};
/*
* Per interface packet tracing buffers. An incoming and
* outgoing circular buffer of packets is maintained, per
* interface, for debugging. Buffers are dumped whenever
* an interface is marked down.
*/
struct ifdebug {
struct iftrace *ifd_records; /* array of trace records */
struct iftrace *ifd_front; /* next empty trace record */
int ifd_count; /* number of unprinted records */
struct interface *ifd_if; /* for locating stuff */
};
/*
* Packet tracing stuff.
*/
int tracepackets; /* watch packets as they go by */
int tracecontents; /* watch packet contents as they go by */
int traceactions; /* on/off */
int tracehistory; /* on/off */
FILE *ftrace; /* output trace file */
#define TRACE_ACTION(action, route) { \
if (traceactions) \
traceaction(ftrace, action, route); \
}
#define TRACE_NEWMETRIC(route, newmetric) { \
if (traceactions) \
tracenewmetric(ftrace, route, newmetric); \
}
#define TRACE_INPUT(ifp, src, pack, size) { \
if (tracehistory) { \
ifp = if_iflookup(src); \
if (ifp) \
trace(&ifp->int_input, src, pack, size, \
ntohl(ifp->int_metric)); \
} \
if (tracepackets) \
dumppacket(ftrace, "from", (struct sockaddr_in *)src, pack, \
size, &now); \
}
#define TRACE_OUTPUT(ifp, dst, size) { \
if (tracehistory && ifp) \
trace(&ifp->int_output, dst, packet, size, ifp->int_metric); \
if (tracepackets) \
dumppacket(ftrace, "to", (struct sockaddr_in *)dst, packet, \
size, &now); \
}
/* trace.c */
void traceinit __P((struct interface *));
void traceon __P((char *));
void traceoff __P((void));
void sigtrace __P((int));
void bumploglevel __P((void));
void trace __P((struct ifdebug *, struct sockaddr *, char *, int, int ));
void traceaction __P((FILE *, char *, struct rt_entry *));
void tracenewmetric __P((FILE *, struct rt_entry *, int));
void dumpif __P((FILE *, struct interface *));
void dumptrace __P((FILE *, char *, struct ifdebug *));
void dumppacket __P((FILE *, char *, struct sockaddr_in *, char *, int, struct timeval *));
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