projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 13bd785c WJ |
1 | /* |
| 2 | * Copyright (c) 1983, 1988 Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: | |
| 8 | * 1. Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * 3. All advertising materials mentioning features or use of this software | |
| 14 | * must display the following acknowledgement: | |
| 15 | * This product includes software developed by the University of | |
| 16 | * California, Berkeley and its contributors. | |
| 17 | * 4. Neither the name of the University nor the names of its contributors | |
| 18 | * may be used to endorse or promote products derived from this software | |
| 19 | * without specific prior written permission. | |
| 20 | * | |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 31 | * SUCH DAMAGE. | |
| 32 | * | |
| 33 | * @(#)trace.h 5.8 (Berkeley) 6/1/90 | |
| 34 | */ | |
| 35 | ||
| 36 | /* | |
| 37 | * Routing table management daemon. | |
| 38 | */ | |
| 39 | ||
| 40 | /* | |
| 41 | * Trace record format. | |
| 42 | */ | |
| 43 | struct iftrace { | |
| 44 | struct timeval ift_stamp; /* time stamp */ | |
| 45 | struct sockaddr ift_who; /* from/to */ | |
| 46 | char *ift_packet; /* pointer to packet */ | |
| 47 | short ift_size; /* size of packet */ | |
| 48 | short ift_metric; /* metric on associated metric */ | |
| 49 | }; | |
| 50 | ||
| 51 | /* | |
| 52 | * Per interface packet tracing buffers. An incoming and | |
| 53 | * outgoing circular buffer of packets is maintained, per | |
| 54 | * interface, for debugging. Buffers are dumped whenever | |
| 55 | * an interface is marked down. | |
| 56 | */ | |
| 57 | struct ifdebug { | |
| 58 | struct iftrace *ifd_records; /* array of trace records */ | |
| 59 | struct iftrace *ifd_front; /* next empty trace record */ | |
| 60 | int ifd_count; /* number of unprinted records */ | |
| 61 | struct interface *ifd_if; /* for locating stuff */ | |
| 62 | }; | |
| 63 | ||
| 64 | /* | |
| 65 | * Packet tracing stuff. | |
| 66 | */ | |
| 67 | int tracepackets; /* watch packets as they go by */ | |
| 68 | int tracecontents; /* watch packet contents as they go by */ | |
| 69 | int traceactions; /* on/off */ | |
| 70 | int tracehistory; /* on/off */ | |
| 71 | FILE *ftrace; /* output trace file */ | |
| 72 | ||
| 73 | #define TRACE_ACTION(action, route) { \ | |
| 74 | if (traceactions) \ | |
| 75 | traceaction(ftrace, action, route); \ | |
| 76 | } | |
| 77 | #define TRACE_NEWMETRIC(route, newmetric) { \ | |
| 78 | if (traceactions) \ | |
| 79 | tracenewmetric(ftrace, route, newmetric); \ | |
| 80 | } | |
| 81 | #define TRACE_INPUT(ifp, src, pack, size) { \ | |
| 82 | if (tracehistory) { \ | |
| 83 | ifp = if_iflookup(src); \ | |
| 84 | if (ifp) \ | |
| 85 | trace(&ifp->int_input, src, pack, size, \ | |
| 86 | ntohl(ifp->int_metric)); \ | |
| 87 | } \ | |
| 88 | if (tracepackets) \ | |
| 89 | dumppacket(ftrace, "from", src, pack, size, &now); \ | |
| 90 | } | |
| 91 | #define TRACE_OUTPUT(ifp, dst, size) { \ | |
| 92 | if (tracehistory && ifp) \ | |
| 93 | trace(&ifp->int_output, dst, packet, size, ifp->int_metric); \ | |
| 94 | if (tracepackets) \ | |
| 95 | dumppacket(ftrace, "to", dst, packet, size, &now); \ | |
| 96 | } |