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Annotation of 43BSDTahoe/ucb/netstat/host.c, revision 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 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: 
        !            18: #ifndef lint
        !            19: static char sccsid[] = "@(#)host.c     5.8 (Berkeley) 6/29/88";
        !            20: #endif /* not lint */
        !            21: 
        !            22: #include <sys/types.h>
        !            23: #include <sys/mbuf.h>
        !            24: #include <sys/socket.h>
        !            25: 
        !            26: #include <net/if.h>
        !            27: 
        !            28: #include <netinet/in.h>
        !            29: #include <netimp/if_imp.h>
        !            30: #include <netimp/if_imphost.h>
        !            31: 
        !            32: extern int kmem;
        !            33: extern         int nflag;
        !            34: extern char *inetname();
        !            35: 
        !            36: /*
        !            37:  * Print the host tables associated with the ARPANET IMP.
        !            38:  * Symbolic addresses are shown unless the nflag is given.
        !            39:  */
        !            40: hostpr(impsoftcaddr, nimpaddr)
        !            41:        off_t impsoftcaddr, nimpaddr;
        !            42: {
        !            43:        struct mbuf *hosts, mb;
        !            44:        struct imp_softc imp_softc;
        !            45:        register struct mbuf *m;
        !            46:        register struct hmbuf *mh;
        !            47:        register struct host *hp;
        !            48:        char flagbuf[10], *flags;
        !            49:        int i, nimp;
        !            50: 
        !            51:        if (impsoftcaddr == 0) {
        !            52:                printf("imp_softc: symbol not in namelist\n");
        !            53:                return;
        !            54:        }
        !            55:        if (nimpaddr == 0) {
        !            56:                printf("nimp: symbol not in namelist\n");
        !            57:                return;
        !            58:        }
        !            59:        klseek(kmem, nimpaddr, 0);
        !            60:        read(kmem, (char *)&nimp, sizeof (nimp));
        !            61:        klseek(kmem, impsoftcaddr, 0);
        !            62:        for (i = 0; i < nimp; i++) {
        !            63:            read(kmem, (char *)&imp_softc, sizeof (imp_softc));
        !            64:            m = imp_softc.imp_hosts;
        !            65:            printf("IMP%d Host Table\n", i);
        !            66:            printf("%-5.5s %-6.6s %-8.8s %-4.4s %-9.9s %-4.4s %s\n", "Flags",
        !            67:                "Host", "Imp", "Qcnt", "Q Address", "RFNM", "Timer");
        !            68:            while (m) {
        !            69:                klseek(kmem, (off_t)m, 0);
        !            70:                read(kmem, (char *)&mb, sizeof (mb));
        !            71:                m = &mb;
        !            72:                mh = mtod(m, struct hmbuf *);
        !            73:                if (mh->hm_count == 0) {
        !            74:                        m = m->m_next;
        !            75:                        continue;
        !            76:                }
        !            77:                for (hp = mh->hm_hosts; hp < mh->hm_hosts + HPMBUF; hp++) {
        !            78:                        if ((hp->h_flags&HF_INUSE) == 0 && hp->h_timer == 0)
        !            79:                                continue;
        !            80:                        flags = flagbuf;
        !            81:                        *flags++ = hp->h_flags&HF_INUSE ? 'A' : 'F';
        !            82:                        if (hp->h_flags&HF_DEAD)
        !            83:                                *flags++ = 'D';
        !            84:                        if (hp->h_flags&HF_UNREACH)
        !            85:                                *flags++ = 'U';
        !            86:                        *flags = '\0';
        !            87:                        printf("%-5.5s %-6d %-8d %-4d %-9x %-4d %d\n",
        !            88:                                flagbuf,
        !            89:                                hp->h_host,
        !            90:                                ntohs(hp->h_imp),
        !            91:                                hp->h_qcnt,
        !            92:                                hp->h_q,
        !            93:                                hp->h_rfnm,
        !            94:                                hp->h_timer);
        !            95:                }
        !            96:                m = m->m_next;
        !            97:            }
        !            98:        }
        !            99: }
        !           100: 
        !           101: impstats(impsoftcaddr, nimpaddr)
        !           102:        off_t impsoftcaddr, nimpaddr;
        !           103: {
        !           104:        struct imp_softc imp_softc;
        !           105:        int i, nimp;
        !           106:        extern char *plural();
        !           107: 
        !           108:        if (impsoftcaddr == 0 || nimpaddr == 0)
        !           109:                return;
        !           110:        klseek(kmem, nimpaddr, 0);
        !           111:        read(kmem, (char *)&nimp, sizeof (nimp));
        !           112:        klseek(kmem, impsoftcaddr, 0);
        !           113:        for (i = 0; i < nimp; i++) {
        !           114:                read(kmem, (char *)&imp_softc, sizeof (imp_softc));
        !           115:                printf("imp%d statistics:\n", i);
        !           116: #define        p(f, m)         printf(m, imp_softc.f, plural(imp_softc.f))
        !           117:                p(imp_if.if_ipackets, "\t%u input message%s\n");
        !           118:                p(imp_if.if_opackets, "\t%u output message%s\n");
        !           119:                printf("\t%u times output blocked at least %d sec.\n",
        !           120:                    imp_softc.imp_block, IMP_OTIMER);
        !           121:                p(imp_incomplete, "\t%u \"incomplete\" message%s\n");
        !           122:                p(imp_lostrfnm, "\t%u lost RFNM message%s\n");
        !           123:                p(imp_badrfnm, "\t%u late/bogus RFNM/incomplete message%s\n");
        !           124:                p(imp_garbage, "\t%u unknown message type%s\n");
        !           125:        }
        !           126: }

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