InfoMagic Source Code 1993 July/THE_SOURCE_CODE_CD_ROM.iso/bsd_srcs/sys/netns/spp_debug.c

C/C++ Source or Header | 1991-05-08 | 4.5 KB | 171 lines

/*
 * Copyright (c) 1984, 1985, 1986, 1987 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    This product includes software developed by the University of
 *    California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *    @(#)spp_debug.c    7.7 (Berkeley) 6/28/90
 */

#include "param.h"
#include "systm.h"
#include "mbuf.h"
#include "socket.h"
#include "socketvar.h"
#include "protosw.h"
#include "errno.h"

#include "../net/route.h"
#include "../net/if.h"
#include "../netinet/tcp_fsm.h"

#include "ns.h"
#include "ns_pcb.h"
#include "idp.h"
#include "idp_var.h"
#include "sp.h"
#include "spidp.h"
#define SPPTIMERS
#include "spp_timer.h"
#include "spp_var.h"
#define    SANAMES
#include "spp_debug.h"

int    sppconsdebug = 0;
/*
 * spp debug routines
 */
spp_trace(act, ostate, sp, si, req)
    short act;
    u_char ostate;
    struct sppcb *sp;
    struct spidp *si;
    int req;
{
#ifdef INET
#ifdef TCPDEBUG
    u_short seq, ack, len, alo;
    unsigned long iptime();
    int flags;
    struct spp_debug *sd = &spp_debug[spp_debx++];
    extern char *prurequests[];
    extern char *sanames[];
    extern char *tcpstates[];
    extern char *spptimers[];

    if (spp_debx == SPP_NDEBUG)
        spp_debx = 0;
    sd->sd_time = iptime();
    sd->sd_act = act;
    sd->sd_ostate = ostate;
    sd->sd_cb = (caddr_t)sp;
    if (sp)
        sd->sd_sp = *sp;
    else
        bzero((caddr_t)&sd->sd_sp, sizeof (*sp));
    if (si)
        sd->sd_si = *si;
    else
        bzero((caddr_t)&sd->sd_si, sizeof (*si));
    sd->sd_req = req;
    if (sppconsdebug == 0)
        return;
    if (ostate >= TCP_NSTATES) ostate = 0;
    if (act >= SA_DROP) act = SA_DROP;
    if (sp)
        printf("%x %s:", sp, tcpstates[ostate]);
    else
        printf("???????? ");
    printf("%s ", sanames[act]);
    switch (act) {

    case SA_RESPOND:
    case SA_INPUT:
    case SA_OUTPUT:
    case SA_DROP:
        if (si == 0)
            break;
        seq = si->si_seq;
        ack = si->si_ack;
        alo = si->si_alo;
        len = si->si_len;
        if (act == SA_OUTPUT) {
            seq = ntohs(seq);
            ack = ntohs(ack);
            alo = ntohs(alo);
            len = ntohs(len);
        }
#ifndef lint
#define p1(f)  { printf("%s = %x, ", "f", f); }
        p1(seq); p1(ack); p1(alo); p1(len);
#endif
        flags = si->si_cc;
        if (flags) {
            char *cp = "<";
#ifndef lint
#define pf(f) { if (flags&SP_/**/f) { printf("%s%s", cp, "f"); cp = ","; } }
            pf(SP); pf(SA); pf(OB); pf(EM);
#else
            cp = cp;
#endif
            printf(">");
        }
#ifndef lint
#define p2(f)  { printf("%s = %x, ", "f", si->si_/**/f); }
        p2(sid);p2(did);p2(dt);p2(pt);
#endif
        ns_printhost(&si->si_sna);
        ns_printhost(&si->si_dna);

        if (act==SA_RESPOND) {
            printf("idp_len = %x, ",
                ((struct idp *)si)->idp_len);
        }
        break;

    case SA_USER:
        printf("%s", prurequests[req&0xff]);
        if ((req & 0xff) == PRU_SLOWTIMO)
            printf("<%s>", spptimers[req>>8]);
        break;
    }
    if (sp)
        printf(" -> %s", tcpstates[sp->s_state]);
    /* print out internal state of sp !?! */
    printf("\n");
    if (sp == 0)
        return;
#ifndef lint
#define p3(f)  { printf("%s = %x, ", "f", sp->s_/**/f); }
    printf("\t"); p3(rack);p3(ralo);p3(smax);p3(flags); printf("\n");
#endif
#endif
#endif
}