projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| e69f81e0 KS |
1 | /* |
| 2 | * Copyright (c) 1983 Regents of the University of California. | |
| 3 | * All rights reserved. The Berkeley software License Agreement | |
| 4 | * specifies the terms and conditions for redistribution. | |
| 5 | * | |
| 610b111d | 6 | * @(#)trace.h 5.4 (Berkeley) %G%"; |
| e69f81e0 KS |
7 | * |
| 8 | * Includes material written at Cornell University by Bill Nesheim, | |
| 9 | * by permission of the author. | |
| 10 | */ | |
| 42d71268 KS |
11 | |
| 12 | /* | |
| 13 | * Xerox Routing Information Protocol. | |
| 14 | */ | |
| 15 | ||
| 16 | /* | |
| 17 | * Trace record format. | |
| 18 | */ | |
| 19 | struct iftrace { | |
| 20 | time_t ift_stamp; /* time stamp */ | |
| 21 | struct sockaddr ift_who; /* from/to */ | |
| 22 | char *ift_packet; /* pointer to packet */ | |
| 23 | short ift_size; /* size of packet */ | |
| 24 | short ift_metric; /* metric */ | |
| 25 | }; | |
| 26 | ||
| 27 | /* | |
| 28 | * Per interface packet tracing buffers. An incoming and | |
| 29 | * outgoing circular buffer of packets is maintained, per | |
| 30 | * interface, for debugging. Buffers are dumped whenever | |
| 31 | * an interface is marked down. | |
| 32 | */ | |
| 33 | struct ifdebug { | |
| 34 | struct iftrace *ifd_records; /* array of trace records */ | |
| 35 | struct iftrace *ifd_front; /* next empty trace record */ | |
| 36 | int ifd_count; /* number of unprinted records */ | |
| 37 | struct interface *ifd_if; /* for locating stuff */ | |
| 38 | }; | |
| 39 | ||
| 40 | /* | |
| 41 | * Packet tracing stuff. | |
| 42 | */ | |
| 43 | int tracepackets; /* watch packets as they go by */ | |
| 44 | int tracing; /* on/off */ | |
| 45 | FILE *ftrace; /* output trace file */ | |
| 46 | ||
| 47 | #define TRACE_ACTION(action, route) { \ | |
| 48 | if (tracing) \ | |
| 49 | traceaction(ftrace, "action", route); \ | |
| 50 | } | |
| 51 | #define TRACE_INPUT(ifp, src, size) { \ | |
| 52 | if (tracing) { \ | |
| 53 | ifp = if_iflookup(src); \ | |
| 54 | if (ifp) \ | |
| 55 | trace(&ifp->int_input, src, &packet[sizeof(struct idp)], size, \ | |
| 56 | ntohl(ifp->int_metric)); \ | |
| 57 | } \ | |
| 610b111d KS |
58 | if (tracepackets && ftrace) \ |
| 59 | dumppacket(ftrace, "from", src, &packet[sizeof(struct idp)], size); \ | |
| 42d71268 KS |
60 | } |
| 61 | #define TRACE_OUTPUT(ifp, dst, size) { \ | |
| 62 | if (tracing) { \ | |
| 63 | ifp = if_iflookup(dst); \ | |
| 64 | if (ifp) \ | |
| 65 | trace(&ifp->int_output, dst, &packet[sizeof(struct idp)], size, ifp->int_metric); \ | |
| 66 | } \ | |
| 610b111d KS |
67 | if (tracepackets && ftrace) \ |
| 68 | dumppacket(ftrace, "to", dst, &packet[sizeof(struct idp)], size); \ | |
| 42d71268 | 69 | } |