BSD 4_4 release

[unix-history] / usr / src / sys / netns / spp_debug.c

/*
* Copyright (c) 1984, 1985, 1986, 1987, 1993
*      The 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 8.1 (Berkeley) 6/10/93
*/

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/protosw.h>
#include <sys/errno.h>

#include <net/route.h>
#include <net/if.h>
#include <netinet/tcp_fsm.h>

#include <netns/ns.h>
#include <netns/ns_pcb.h>
#include <netns/idp.h>
#include <netns/idp_var.h>
#include <netns/sp.h>
#include <netns/spidp.h>
#define SPPTIMERS
#include <netns/spp_timer.h>
#include <netns/spp_var.h>
#define SANAMES
#include <netns/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
}