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3219c922a9
Note: The sources for XNSrouted and routed are being imported to usr.sbin instead of sbin.
97 lines
3.5 KiB
C
97 lines
3.5 KiB
C
/*
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* Copyright (c) 1983, 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)trace.h 8.1 (Berkeley) 6/5/93
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*/
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/*
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* Routing table management daemon.
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*/
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/*
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* Trace record format.
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*/
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struct iftrace {
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struct timeval ift_stamp; /* time stamp */
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struct sockaddr ift_who; /* from/to */
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char *ift_packet; /* pointer to packet */
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short ift_size; /* size of packet */
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short ift_metric; /* metric on associated metric */
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};
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/*
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* Per interface packet tracing buffers. An incoming and
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* outgoing circular buffer of packets is maintained, per
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* interface, for debugging. Buffers are dumped whenever
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* an interface is marked down.
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*/
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struct ifdebug {
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struct iftrace *ifd_records; /* array of trace records */
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struct iftrace *ifd_front; /* next empty trace record */
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int ifd_count; /* number of unprinted records */
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struct interface *ifd_if; /* for locating stuff */
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};
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/*
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* Packet tracing stuff.
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*/
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int tracepackets; /* watch packets as they go by */
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int tracecontents; /* watch packet contents as they go by */
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int traceactions; /* on/off */
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int tracehistory; /* on/off */
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FILE *ftrace; /* output trace file */
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#define TRACE_ACTION(action, route) { \
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if (traceactions) \
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traceaction(ftrace, action, route); \
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}
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#define TRACE_NEWMETRIC(route, newmetric) { \
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if (traceactions) \
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tracenewmetric(ftrace, route, newmetric); \
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}
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#define TRACE_INPUT(ifp, src, pack, size) { \
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if (tracehistory) { \
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ifp = if_iflookup(src); \
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if (ifp) \
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trace(&ifp->int_input, src, pack, size, \
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ntohl(ifp->int_metric)); \
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} \
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if (tracepackets) \
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dumppacket(ftrace, "from", src, pack, size, &now); \
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}
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#define TRACE_OUTPUT(ifp, dst, size) { \
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if (tracehistory && ifp) \
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trace(&ifp->int_output, dst, packet, size, ifp->int_metric); \
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if (tracepackets) \
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dumppacket(ftrace, "to", dst, packet, size, &now); \
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}
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