projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 0a225629 SL |
1 | /* trace.h 4.1 83/01/11 */ |
| 2 | ||
| 3 | /* | |
| 4 | * Routing table management daemon. | |
| 5 | */ | |
| 6 | ||
| 7 | /* | |
| 8 | * Trace record format. | |
| 9 | */ | |
| 10 | struct iftrace { | |
| 11 | time_t ift_stamp; /* time stamp */ | |
| 12 | struct sockaddr ift_who; /* from/to */ | |
| 13 | char *ift_packet; /* pointer to packet */ | |
| 14 | short ift_size; /* size of packet */ | |
| 15 | short ift_metric; /* metric on associated metric */ | |
| 16 | }; | |
| 17 | ||
| 18 | /* | |
| 19 | * Per interface packet tracing buffers. An incoming and | |
| 20 | * outgoing circular buffer of packets is maintained, per | |
| 21 | * interface, for debugging. Buffers are dumped whenever | |
| 22 | * an interface is marked down. | |
| 23 | */ | |
| 24 | struct ifdebug { | |
| 25 | struct iftrace *ifd_records; /* array of trace records */ | |
| 26 | struct iftrace *ifd_front; /* next empty trace record */ | |
| 27 | struct interface *ifd_if; /* for locating stuff */ | |
| 28 | }; | |
| 29 | ||
| 30 | /* | |
| 31 | * Packet tracing stuff. | |
| 32 | */ | |
| 33 | int tracing; /* on/off */ | |
| 34 | FILE *ftrace; /* output trace file */ | |
| 35 | #define TRACE_ACTION(action, route) { \ | |
| 36 | if (tracing) \ | |
| 37 | traceaction(ftrace, "action", route); \ | |
| 38 | } | |
| 39 | #define TRACE_INPUT(ifp, from, size) { \ | |
| 40 | if (tracing) { \ | |
| 41 | ifp = if_iflookup(from); \ | |
| 42 | if (ifp) \ | |
| 43 | trace(&ifp->int_input, from, packet, size, \ | |
| 44 | ifp->int_metric); \ | |
| 45 | } \ | |
| 46 | } | |
| 47 | #define TRACE_OUTPUT(ifp, to, size) { \ | |
| 48 | if (tracing) \ | |
| 49 | trace(&ifp->int_output, to, packet, size, ifp->int_metric); \ | |
| 50 | } |