add Kerberos info

[unix-history] / usr / src / sbin / XNSrouted / trace.h

/*
* Copyright (c) 1983 The Regents of the University of California.
* All rights reserved.
*
* This file includes significant work done at Cornell University by
* Bill Nesheim.  That work included by permission.
*
* %sccs.include.redist.c%
*
*      @(#)trace.h     5.6 (Berkeley) %G%
*/

/*
* Xerox Routing Information Protocol.
*/

/*
* Trace record format.
*/
struct  iftrace {
       time_t  ift_stamp;              /* time stamp */
       struct  sockaddr ift_who;       /* from/to */
       char    *ift_packet;            /* pointer to packet */
       short   ift_size;               /* size of packet */
       short   ift_metric;             /* metric  */
};

/*
* Per interface packet tracing buffers.  An incoming and
* outgoing circular buffer of packets is maintained, per
* interface, for debugging.  Buffers are dumped whenever
* an interface is marked down.
*/
struct  ifdebug {
       struct  iftrace *ifd_records;   /* array of trace records */
       struct  iftrace *ifd_front;     /* next empty trace record */
       int     ifd_count;              /* number of unprinted records */
       struct  interface *ifd_if;      /* for locating stuff */
};

/*
* Packet tracing stuff.
*/
int     tracepackets;           /* watch packets as they go by */
int     tracing;                /* on/off */
FILE    *ftrace;                /* output trace file */

#define TRACE_ACTION(action, route) { \
         if (tracing) \
               traceaction(ftrace, "action", route); \
       }
#define TRACE_INPUT(ifp, src, size) { \
         if (tracing) { \
               ifp = if_iflookup(src); \
               if (ifp) \
                       trace(&ifp->int_input, src, &packet[sizeof(struct idp)], size, \
                               ntohl(ifp->int_metric)); \
         } \
         if (tracepackets && ftrace) \
               dumppacket(ftrace, "from", src, &packet[sizeof(struct idp)], size); \
       }
#define TRACE_OUTPUT(ifp, dst, size) { \
         if (tracing) { \
               ifp = if_iflookup(dst); \
               if (ifp) \
                   trace(&ifp->int_output, dst, &packet[sizeof(struct idp)], size, ifp->int_metric); \
         } \
         if (tracepackets && ftrace) \
               dumppacket(ftrace, "to", dst, &packet[sizeof(struct idp)], size); \
       }