projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| e69f81e0 | 1 | /* |
| 3565c602 KB |
2 | * Copyright (c) 1983 The Regents of the University of California. |
| 3 | * All rights reserved. | |
| e69f81e0 | 4 | * |
| 3565c602 KB |
5 | * This file includes significant work done at Cornell University by |
| 6 | * Bill Nesheim. That work included by permission. | |
| e69f81e0 | 7 | * |
| 3565c602 KB |
8 | * Redistribution and use in source and binary forms are permitted |
| 9 | * provided that the above copyright notice and this paragraph are | |
| 10 | * duplicated in all such forms and that any documentation, | |
| 11 | * advertising materials, and other materials related to such | |
| 12 | * distribution and use acknowledge that the software was developed | |
| 13 | * by the University of California, Berkeley. The name of the | |
| 14 | * University may not be used to endorse or promote products derived | |
| 15 | * from this software without specific prior written permission. | |
| 16 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
| 17 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
| 18 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
| 19 | * | |
| 20 | * @(#)trace.h 5.5 (Berkeley) %G% | |
| e69f81e0 | 21 | */ |
| 42d71268 KS |
22 | |
| 23 | /* | |
| 24 | * Xerox Routing Information Protocol. | |
| 25 | */ | |
| 26 | ||
| 27 | /* | |
| 28 | * Trace record format. | |
| 29 | */ | |
| 30 | struct iftrace { | |
| 31 | time_t ift_stamp; /* time stamp */ | |
| 32 | struct sockaddr ift_who; /* from/to */ | |
| 33 | char *ift_packet; /* pointer to packet */ | |
| 34 | short ift_size; /* size of packet */ | |
| 35 | short ift_metric; /* metric */ | |
| 36 | }; | |
| 37 | ||
| 38 | /* | |
| 39 | * Per interface packet tracing buffers. An incoming and | |
| 40 | * outgoing circular buffer of packets is maintained, per | |
| 41 | * interface, for debugging. Buffers are dumped whenever | |
| 42 | * an interface is marked down. | |
| 43 | */ | |
| 44 | struct ifdebug { | |
| 45 | struct iftrace *ifd_records; /* array of trace records */ | |
| 46 | struct iftrace *ifd_front; /* next empty trace record */ | |
| 47 | int ifd_count; /* number of unprinted records */ | |
| 48 | struct interface *ifd_if; /* for locating stuff */ | |
| 49 | }; | |
| 50 | ||
| 51 | /* | |
| 52 | * Packet tracing stuff. | |
| 53 | */ | |
| 54 | int tracepackets; /* watch packets as they go by */ | |
| 55 | int tracing; /* on/off */ | |
| 56 | FILE *ftrace; /* output trace file */ | |
| 57 | ||
| 58 | #define TRACE_ACTION(action, route) { \ | |
| 59 | if (tracing) \ | |
| 60 | traceaction(ftrace, "action", route); \ | |
| 61 | } | |
| 62 | #define TRACE_INPUT(ifp, src, size) { \ | |
| 63 | if (tracing) { \ | |
| 64 | ifp = if_iflookup(src); \ | |
| 65 | if (ifp) \ | |
| 66 | trace(&ifp->int_input, src, &packet[sizeof(struct idp)], size, \ | |
| 67 | ntohl(ifp->int_metric)); \ | |
| 68 | } \ | |
| 610b111d KS |
69 | if (tracepackets && ftrace) \ |
| 70 | dumppacket(ftrace, "from", src, &packet[sizeof(struct idp)], size); \ | |
| 42d71268 KS |
71 | } |
| 72 | #define TRACE_OUTPUT(ifp, dst, size) { \ | |
| 73 | if (tracing) { \ | |
| 74 | ifp = if_iflookup(dst); \ | |
| 75 | if (ifp) \ | |
| 76 | trace(&ifp->int_output, dst, &packet[sizeof(struct idp)], size, ifp->int_metric); \ | |
| 77 | } \ | |
| 610b111d KS |
78 | if (tracepackets && ftrace) \ |
| 79 | dumppacket(ftrace, "to", dst, &packet[sizeof(struct idp)], size); \ | |
| 42d71268 | 80 | } |