1*24315Ssklower /* trace.h 1.0 4/16/85 */ 2*24315Ssklower 3*24315Ssklower /* 4*24315Ssklower * Xerox Routing Information Protocol. 5*24315Ssklower */ 6*24315Ssklower 7*24315Ssklower /* 8*24315Ssklower * Trace record format. 9*24315Ssklower */ 10*24315Ssklower struct iftrace { 11*24315Ssklower time_t ift_stamp; /* time stamp */ 12*24315Ssklower struct sockaddr ift_who; /* from/to */ 13*24315Ssklower char *ift_packet; /* pointer to packet */ 14*24315Ssklower short ift_size; /* size of packet */ 15*24315Ssklower short ift_metric; /* metric */ 16*24315Ssklower }; 17*24315Ssklower 18*24315Ssklower /* 19*24315Ssklower * Per interface packet tracing buffers. An incoming and 20*24315Ssklower * outgoing circular buffer of packets is maintained, per 21*24315Ssklower * interface, for debugging. Buffers are dumped whenever 22*24315Ssklower * an interface is marked down. 23*24315Ssklower */ 24*24315Ssklower struct ifdebug { 25*24315Ssklower struct iftrace *ifd_records; /* array of trace records */ 26*24315Ssklower struct iftrace *ifd_front; /* next empty trace record */ 27*24315Ssklower int ifd_count; /* number of unprinted records */ 28*24315Ssklower struct interface *ifd_if; /* for locating stuff */ 29*24315Ssklower }; 30*24315Ssklower 31*24315Ssklower /* 32*24315Ssklower * Packet tracing stuff. 33*24315Ssklower */ 34*24315Ssklower int tracepackets; /* watch packets as they go by */ 35*24315Ssklower int tracing; /* on/off */ 36*24315Ssklower FILE *ftrace; /* output trace file */ 37*24315Ssklower 38*24315Ssklower #define TRACE_ACTION(action, route) { \ 39*24315Ssklower if (tracing) \ 40*24315Ssklower traceaction(ftrace, "action", route); \ 41*24315Ssklower } 42*24315Ssklower #define TRACE_INPUT(ifp, src, size) { \ 43*24315Ssklower if (tracing) { \ 44*24315Ssklower ifp = if_iflookup(src); \ 45*24315Ssklower if (ifp) \ 46*24315Ssklower trace(&ifp->int_input, src, &packet[sizeof(struct idp)], size, \ 47*24315Ssklower ntohl(ifp->int_metric)); \ 48*24315Ssklower } \ 49*24315Ssklower if (tracepackets) \ 50*24315Ssklower dumppacket(stdout, "from", src, &packet[sizeof(struct idp)], size); \ 51*24315Ssklower } 52*24315Ssklower #define TRACE_OUTPUT(ifp, dst, size) { \ 53*24315Ssklower if (tracing) { \ 54*24315Ssklower ifp = if_iflookup(dst); \ 55*24315Ssklower if (ifp) \ 56*24315Ssklower trace(&ifp->int_output, dst, &packet[sizeof(struct idp)], size, ifp->int_metric); \ 57*24315Ssklower } \ 58*24315Ssklower if (tracepackets) \ 59*24315Ssklower dumppacket(stdout, "to", dst, &packet[sizeof(struct idp)], size); \ 60*24315Ssklower } 61