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Annotation of Net2/netns/spp_debug.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1984, 1985, 1986, 1987 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. All advertising materials mentioning features or use of this software
        !            14:  *    must display the following acknowledgement:
        !            15:  *     This product includes software developed by the University of
        !            16:  *     California, Berkeley and its contributors.
        !            17:  * 4. Neither the name of the University nor the names of its contributors
        !            18:  *    may be used to endorse or promote products derived from this software
        !            19:  *    without specific prior written permission.
        !            20:  *
        !            21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            31:  * SUCH DAMAGE.
        !            32:  *
        !            33:  *     @(#)spp_debug.c 7.7 (Berkeley) 6/28/90
        !            34:  */
        !            35: 
        !            36: #include "param.h"
        !            37: #include "systm.h"
        !            38: #include "mbuf.h"
        !            39: #include "socket.h"
        !            40: #include "socketvar.h"
        !            41: #include "protosw.h"
        !            42: #include "errno.h"
        !            43: 
        !            44: #include "../net/route.h"
        !            45: #include "../net/if.h"
        !            46: #include "../netinet/tcp_fsm.h"
        !            47: 
        !            48: #include "ns.h"
        !            49: #include "ns_pcb.h"
        !            50: #include "idp.h"
        !            51: #include "idp_var.h"
        !            52: #include "sp.h"
        !            53: #include "spidp.h"
        !            54: #define SPPTIMERS
        !            55: #include "spp_timer.h"
        !            56: #include "spp_var.h"
        !            57: #define        SANAMES
        !            58: #include "spp_debug.h"
        !            59: 
        !            60: int    sppconsdebug = 0;
        !            61: /*
        !            62:  * spp debug routines
        !            63:  */
        !            64: spp_trace(act, ostate, sp, si, req)
        !            65:        short act;
        !            66:        u_char ostate;
        !            67:        struct sppcb *sp;
        !            68:        struct spidp *si;
        !            69:        int req;
        !            70: {
        !            71: #ifdef INET
        !            72: #ifdef TCPDEBUG
        !            73:        u_short seq, ack, len, alo;
        !            74:        unsigned long iptime();
        !            75:        int flags;
        !            76:        struct spp_debug *sd = &spp_debug[spp_debx++];
        !            77:        extern char *prurequests[];
        !            78:        extern char *sanames[];
        !            79:        extern char *tcpstates[];
        !            80:        extern char *spptimers[];
        !            81: 
        !            82:        if (spp_debx == SPP_NDEBUG)
        !            83:                spp_debx = 0;
        !            84:        sd->sd_time = iptime();
        !            85:        sd->sd_act = act;
        !            86:        sd->sd_ostate = ostate;
        !            87:        sd->sd_cb = (caddr_t)sp;
        !            88:        if (sp)
        !            89:                sd->sd_sp = *sp;
        !            90:        else
        !            91:                bzero((caddr_t)&sd->sd_sp, sizeof (*sp));
        !            92:        if (si)
        !            93:                sd->sd_si = *si;
        !            94:        else
        !            95:                bzero((caddr_t)&sd->sd_si, sizeof (*si));
        !            96:        sd->sd_req = req;
        !            97:        if (sppconsdebug == 0)
        !            98:                return;
        !            99:        if (ostate >= TCP_NSTATES) ostate = 0;
        !           100:        if (act >= SA_DROP) act = SA_DROP;
        !           101:        if (sp)
        !           102:                printf("%x %s:", sp, tcpstates[ostate]);
        !           103:        else
        !           104:                printf("???????? ");
        !           105:        printf("%s ", sanames[act]);
        !           106:        switch (act) {
        !           107: 
        !           108:        case SA_RESPOND:
        !           109:        case SA_INPUT:
        !           110:        case SA_OUTPUT:
        !           111:        case SA_DROP:
        !           112:                if (si == 0)
        !           113:                        break;
        !           114:                seq = si->si_seq;
        !           115:                ack = si->si_ack;
        !           116:                alo = si->si_alo;
        !           117:                len = si->si_len;
        !           118:                if (act == SA_OUTPUT) {
        !           119:                        seq = ntohs(seq);
        !           120:                        ack = ntohs(ack);
        !           121:                        alo = ntohs(alo);
        !           122:                        len = ntohs(len);
        !           123:                }
        !           124: #ifndef lint
        !           125: #define p1(f)  { printf("%s = %x, ", "f", f); }
        !           126:                p1(seq); p1(ack); p1(alo); p1(len);
        !           127: #endif
        !           128:                flags = si->si_cc;
        !           129:                if (flags) {
        !           130:                        char *cp = "<";
        !           131: #ifndef lint
        !           132: #define pf(f) { if (flags&SP_/**/f) { printf("%s%s", cp, "f"); cp = ","; } }
        !           133:                        pf(SP); pf(SA); pf(OB); pf(EM);
        !           134: #else
        !           135:                        cp = cp;
        !           136: #endif
        !           137:                        printf(">");
        !           138:                }
        !           139: #ifndef lint
        !           140: #define p2(f)  { printf("%s = %x, ", "f", si->si_/**/f); }
        !           141:                p2(sid);p2(did);p2(dt);p2(pt);
        !           142: #endif
        !           143:                ns_printhost(&si->si_sna);
        !           144:                ns_printhost(&si->si_dna);
        !           145: 
        !           146:                if (act==SA_RESPOND) {
        !           147:                        printf("idp_len = %x, ",
        !           148:                                ((struct idp *)si)->idp_len);
        !           149:                }
        !           150:                break;
        !           151: 
        !           152:        case SA_USER:
        !           153:                printf("%s", prurequests[req&0xff]);
        !           154:                if ((req & 0xff) == PRU_SLOWTIMO)
        !           155:                        printf("<%s>", spptimers[req>>8]);
        !           156:                break;
        !           157:        }
        !           158:        if (sp)
        !           159:                printf(" -> %s", tcpstates[sp->s_state]);
        !           160:        /* print out internal state of sp !?! */
        !           161:        printf("\n");
        !           162:        if (sp == 0)
        !           163:                return;
        !           164: #ifndef lint
        !           165: #define p3(f)  { printf("%s = %x, ", "f", sp->s_/**/f); }
        !           166:        printf("\t"); p3(rack);p3(ralo);p3(smax);p3(flags); printf("\n");
        !           167: #endif
        !           168: #endif
        !           169: #endif
        !           170: }

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