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Annotation of 43BSDTahoe/sys/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 are permitted
        !             6:  * provided that the above copyright notice and this paragraph are
        !             7:  * duplicated in all such forms and that any documentation,
        !             8:  * advertising materials, and other materials related to such
        !             9:  * distribution and use acknowledge that the software was developed
        !            10:  * by the University of California, Berkeley.  The name of the
        !            11:  * University may not be used to endorse or promote products derived
        !            12:  * from this software without specific prior written permission.
        !            13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            16:  *
        !            17:  *     @(#)spp_debug.c 7.5 (Berkeley) 6/29/88
        !            18:  */
        !            19: 
        !            20: #include "param.h"
        !            21: #include "systm.h"
        !            22: #include "mbuf.h"
        !            23: #include "socket.h"
        !            24: #include "socketvar.h"
        !            25: #include "protosw.h"
        !            26: #include "errno.h"
        !            27: 
        !            28: #include "../net/route.h"
        !            29: #include "../net/if.h"
        !            30: #include "../netinet/tcp_fsm.h"
        !            31: 
        !            32: #include "ns.h"
        !            33: #include "ns_pcb.h"
        !            34: #include "idp.h"
        !            35: #include "idp_var.h"
        !            36: #include "sp.h"
        !            37: #include "spidp.h"
        !            38: #define SPPTIMERS
        !            39: #include "spp_timer.h"
        !            40: #include "spp_var.h"
        !            41: #define        SANAMES
        !            42: #include "spp_debug.h"
        !            43: 
        !            44: int    sppconsdebug = 0;
        !            45: /*
        !            46:  * spp debug routines
        !            47:  */
        !            48: spp_trace(act, ostate, sp, si, req)
        !            49:        short act;
        !            50:        u_char ostate;
        !            51:        struct sppcb *sp;
        !            52:        struct spidp *si;
        !            53:        int req;
        !            54: {
        !            55: #ifdef INET
        !            56:        u_short seq, ack, len, alo;
        !            57:        unsigned long iptime();
        !            58:        int flags;
        !            59:        struct spp_debug *sd = &spp_debug[spp_debx++];
        !            60:        extern char *prurequests[];
        !            61:        extern char *sanames[];
        !            62:        extern char *tcpstates[];
        !            63:        extern char *spptimers[];
        !            64: 
        !            65:        if (spp_debx == SPP_NDEBUG)
        !            66:                spp_debx = 0;
        !            67:        sd->sd_time = iptime();
        !            68:        sd->sd_act = act;
        !            69:        sd->sd_ostate = ostate;
        !            70:        sd->sd_cb = (caddr_t)sp;
        !            71:        if (sp)
        !            72:                sd->sd_sp = *sp;
        !            73:        else
        !            74:                bzero((caddr_t)&sd->sd_sp, sizeof (*sp));
        !            75:        if (si)
        !            76:                sd->sd_si = *si;
        !            77:        else
        !            78:                bzero((caddr_t)&sd->sd_si, sizeof (*si));
        !            79:        sd->sd_req = req;
        !            80:        if (sppconsdebug == 0)
        !            81:                return;
        !            82:        if (ostate >= TCP_NSTATES) ostate = 0;
        !            83:        if (act >= SA_DROP) act = SA_DROP;
        !            84:        if (sp)
        !            85:                printf("%x %s:", sp, tcpstates[ostate]);
        !            86:        else
        !            87:                printf("???????? ");
        !            88:        printf("%s ", sanames[act]);
        !            89:        switch (act) {
        !            90: 
        !            91:        case SA_RESPOND:
        !            92:        case SA_INPUT:
        !            93:        case SA_OUTPUT:
        !            94:        case SA_DROP:
        !            95:                if (si == 0)
        !            96:                        break;
        !            97:                seq = si->si_seq;
        !            98:                ack = si->si_ack;
        !            99:                alo = si->si_alo;
        !           100:                len = si->si_len;
        !           101:                if (act == SA_OUTPUT) {
        !           102:                        seq = ntohs(seq);
        !           103:                        ack = ntohs(ack);
        !           104:                        alo = ntohs(alo);
        !           105:                        len = ntohs(len);
        !           106:                }
        !           107: #ifndef lint
        !           108: #define p1(f)  { printf("%s = %x, ", "f", f); }
        !           109:                p1(seq); p1(ack); p1(alo); p1(len);
        !           110: #endif
        !           111:                flags = si->si_cc;
        !           112:                if (flags) {
        !           113:                        char *cp = "<";
        !           114: #ifndef lint
        !           115: #define pf(f) { if (flags&SP_/**/f) { printf("%s%s", cp, "f"); cp = ","; } }
        !           116:                        pf(SP); pf(SA); pf(OB); pf(EM);
        !           117: #else
        !           118:                        cp = cp;
        !           119: #endif
        !           120:                        printf(">");
        !           121:                }
        !           122: #ifndef lint
        !           123: #define p2(f)  { printf("%s = %x, ", "f", si->si_/**/f); }
        !           124:                p2(sid);p2(did);p2(dt);p2(pt);
        !           125: #endif
        !           126:                ns_printhost(&si->si_sna);
        !           127:                ns_printhost(&si->si_dna);
        !           128: 
        !           129:                if (act==SA_RESPOND) {
        !           130:                        printf("idp_len = %x, ",
        !           131:                                ((struct idp *)si)->idp_len);
        !           132:                }
        !           133:                break;
        !           134: 
        !           135:        case SA_USER:
        !           136:                printf("%s", prurequests[req&0xff]);
        !           137:                if ((req & 0xff) == PRU_SLOWTIMO)
        !           138:                        printf("<%s>", spptimers[req>>8]);
        !           139:                break;
        !           140:        }
        !           141:        if (sp)
        !           142:                printf(" -> %s", tcpstates[sp->s_state]);
        !           143:        /* print out internal state of sp !?! */
        !           144:        printf("\n");
        !           145:        if (sp == 0)
        !           146:                return;
        !           147: #ifndef lint
        !           148: #define p3(f)  { printf("%s = %x, ", "f", sp->s_/**/f); }
        !           149:        printf("\t"); p3(rack);p3(ralo);p3(smax);p3(flags); printf("\n");
        !           150: #endif
        !           151: #endif
        !           152: }

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