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Annotation of 43BSDTahoe/etc/routed/trace.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1983, 1988 Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms are permitted
                      6:  * provided that this notice is preserved and that due credit is given
                      7:  * to the University of California at Berkeley. The name of the University
                      8:  * may not be used to endorse or promote products derived from this
                      9:  * software without specific prior written permission. This software
                     10:  * is provided ``as is'' without express or implied warranty.
                     11:  *
                     12:  *     @(#)trace.h     5.4 (Berkeley) 5/31/88
                     13:  */
                     14: 
                     15: /*
                     16:  * Routing table management daemon.
                     17:  */
                     18: 
                     19: /*
                     20:  * Trace record format.
                     21:  */
                     22: struct iftrace {
                     23:        time_t  ift_stamp;              /* time stamp */
                     24:        struct  sockaddr ift_who;       /* from/to */
                     25:        char    *ift_packet;            /* pointer to packet */
                     26:        short   ift_size;               /* size of packet */
                     27:        short   ift_metric;             /* metric on associated metric */
                     28: };
                     29: 
                     30: /*
                     31:  * Per interface packet tracing buffers.  An incoming and
                     32:  * outgoing circular buffer of packets is maintained, per
                     33:  * interface, for debugging.  Buffers are dumped whenever
                     34:  * an interface is marked down.
                     35:  */
                     36: struct ifdebug {
                     37:        struct  iftrace *ifd_records;   /* array of trace records */
                     38:        struct  iftrace *ifd_front;     /* next empty trace record */
                     39:        int     ifd_count;              /* number of unprinted records */
                     40:        struct  interface *ifd_if;      /* for locating stuff */
                     41: };
                     42: 
                     43: /*
                     44:  * Packet tracing stuff.
                     45:  */
                     46: int    tracepackets;           /* watch packets as they go by */
                     47: int    traceactions;           /* on/off */
                     48: int    tracehistory;           /* on/off */
                     49: FILE   *ftrace;                /* output trace file */
                     50: char   *curtime;               /* current timestamp string */
                     51: 
                     52: #define        TRACE_ACTION(action, route) { \
                     53:          if (traceactions) \
                     54:                traceaction(ftrace, action, route); \
                     55:        }
                     56: #define        TRACE_NEWMETRIC(route, newmetric) { \
                     57:          if (traceactions) \
                     58:                tracenewmetric(ftrace, route, newmetric); \
                     59:        }
                     60: #define        TRACE_INPUT(ifp, src, size) { \
                     61:          if (tracehistory) { \
                     62:                ifp = if_iflookup(src); \
                     63:                if (ifp) \
                     64:                        trace(&ifp->int_input, src, packet, size, \
                     65:                                ntohl(ifp->int_metric)); \
                     66:          } \
                     67:          if (tracepackets) { \
                     68:                time_t t; \
                     69:                t = time(0); \
                     70:                dumppacket(stdout, "from", src, packet, size, &t); \
                     71:          } \
                     72:        }
                     73: #define        TRACE_OUTPUT(ifp, dst, size) { \
                     74:          if (tracehistory && ifp) \
                     75:                trace(&ifp->int_output, dst, packet, size, ifp->int_metric); \
                     76:          if (tracepackets) { \
                     77:                time_t t; \
                     78:                t = time(0); \
                     79:                dumppacket(stdout, "to", dst, packet, size, &t); \
                     80:          } \
                     81:        }

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