projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 18916298 RG |
1 | /* |
| 2 | * Copyright (c) 1983 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * This file includes significant work done at Cornell University by | |
| 6 | * Bill Nesheim. That work included by permission. | |
| 7 | * | |
| 8 | * Redistribution and use in source and binary forms, with or without | |
| 9 | * modification, are permitted provided that the following conditions | |
| 10 | * are met: | |
| 11 | * 1. Redistributions of source code must retain the above copyright | |
| 12 | * notice, this list of conditions and the following disclaimer. | |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 14 | * notice, this list of conditions and the following disclaimer in the | |
| 15 | * documentation and/or other materials provided with the distribution. | |
| 16 | * 3. All advertising materials mentioning features or use of this software | |
| 17 | * must display the following acknowledgement: | |
| 18 | * This product includes software developed by the University of | |
| 19 | * California, Berkeley and its contributors. | |
| 20 | * 4. Neither the name of the University nor the names of its contributors | |
| 21 | * may be used to endorse or promote products derived from this software | |
| 22 | * without specific prior written permission. | |
| 23 | * | |
| 24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 34 | * SUCH DAMAGE. | |
| 35 | * | |
| 36 | * @(#)trace.h 5.6 (Berkeley) 6/1/90 | |
| 37 | */ | |
| 38 | ||
| 39 | /* | |
| 40 | * Xerox Routing Information Protocol. | |
| 41 | */ | |
| 42 | ||
| 43 | /* | |
| 44 | * Trace record format. | |
| 45 | */ | |
| 46 | struct iftrace { | |
| 47 | time_t ift_stamp; /* time stamp */ | |
| 48 | struct sockaddr ift_who; /* from/to */ | |
| 49 | char *ift_packet; /* pointer to packet */ | |
| 50 | short ift_size; /* size of packet */ | |
| 51 | short ift_metric; /* metric */ | |
| 52 | }; | |
| 53 | ||
| 54 | /* | |
| 55 | * Per interface packet tracing buffers. An incoming and | |
| 56 | * outgoing circular buffer of packets is maintained, per | |
| 57 | * interface, for debugging. Buffers are dumped whenever | |
| 58 | * an interface is marked down. | |
| 59 | */ | |
| 60 | struct ifdebug { | |
| 61 | struct iftrace *ifd_records; /* array of trace records */ | |
| 62 | struct iftrace *ifd_front; /* next empty trace record */ | |
| 63 | int ifd_count; /* number of unprinted records */ | |
| 64 | struct interface *ifd_if; /* for locating stuff */ | |
| 65 | }; | |
| 66 | ||
| 67 | /* | |
| 68 | * Packet tracing stuff. | |
| 69 | */ | |
| 70 | int tracepackets; /* watch packets as they go by */ | |
| 71 | int tracing; /* on/off */ | |
| 72 | FILE *ftrace; /* output trace file */ | |
| 73 | ||
| 74 | #define TRACE_ACTION(action, route) { \ | |
| 75 | if (tracing) \ | |
| 76 | traceaction(ftrace, "action", route); \ | |
| 77 | } | |
| 78 | #define TRACE_INPUT(ifp, src, size) { \ | |
| 79 | if (tracing) { \ | |
| 80 | ifp = if_iflookup(src); \ | |
| 81 | if (ifp) \ | |
| 82 | trace(&ifp->int_input, src, &packet[sizeof(struct idp)], size, \ | |
| 83 | ntohl(ifp->int_metric)); \ | |
| 84 | } \ | |
| 85 | if (tracepackets && ftrace) \ | |
| 86 | dumppacket(ftrace, "from", src, &packet[sizeof(struct idp)], size); \ | |
| 87 | } | |
| 88 | #define TRACE_OUTPUT(ifp, dst, size) { \ | |
| 89 | if (tracing) { \ | |
| 90 | ifp = if_iflookup(dst); \ | |
| 91 | if (ifp) \ | |
| 92 | trace(&ifp->int_output, dst, &packet[sizeof(struct idp)], size, ifp->int_metric); \ | |
| 93 | } \ | |
| 94 | if (tracepackets && ftrace) \ | |
| 95 | dumppacket(ftrace, "to", dst, &packet[sizeof(struct idp)], size); \ | |
| 96 | } |