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Diffstat (limited to 'usr.sbin/routed/trace.h')
| -rw-r--r-- | usr.sbin/routed/trace.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/usr.sbin/routed/trace.h b/usr.sbin/routed/trace.h new file mode 100644 index 000000000000..741de720ce20 --- /dev/null +++ b/usr.sbin/routed/trace.h @@ -0,0 +1,96 @@ +/* + * Copyright (c) 1983, 1988 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 5.8 (Berkeley) 6/1/90 + */ + +/* + * 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", 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", dst, packet, size, &now); \ + } |