Return to host.c CVS log

Up to [CSRG BSD Unix] / 43BSD / ucb / netstat

Annotation of 43BSD/ucb/netstat/host.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1983 Regents of the University of California.
                      3:  * All rights reserved.  The Berkeley software License Agreement
                      4:  * specifies the terms and conditions for redistribution.
                      5:  */
                      6: 
                      7: #ifndef lint
                      8: static char sccsid[] = "@(#)host.c     5.2 (Berkeley) 9/27/85";
                      9: #endif not lint
                     10: 
                     11: #include <sys/types.h>
                     12: #include <sys/mbuf.h>
                     13: 
                     14: #include <netinet/in.h>
                     15: #include <netimp/if_imp.h>
                     16: #include <netimp/if_imphost.h>
                     17: 
                     18: extern int kmem;
                     19: extern         int nflag;
                     20: extern char *inetname();
                     21: 
                     22: /*
                     23:  * Print the host tables associated with the ARPANET IMP.
                     24:  * Symbolic addresses are shown unless the nflag is given.
                     25:  */
                     26: hostpr(hostsaddr)
                     27:        off_t hostsaddr;
                     28: {
                     29:        struct mbuf *hosts, mb;
                     30:        register struct mbuf *m;
                     31:        register struct hmbuf *mh;
                     32:        register struct host *hp;
                     33:        char flagbuf[10], *flags;
                     34:        int first = 1;
                     35: 
                     36:        if (hostsaddr == 0) {
                     37:                printf("hosts: symbol not in namelist\n");
                     38:                return;
                     39:        }
                     40:        klseek(kmem, hostsaddr, 0);
                     41:        read(kmem, &hosts, sizeof (hosts));
                     42:        m = hosts;
                     43:        printf("IMP Host Table\n");
                     44:        printf("%-5.5s %-15.15s %-4.4s %-9.9s %-4.4s %s\n",
                     45:                "Flags", "Host", "Qcnt", "Q Address", "RFNM", "Timer");
                     46:        while (m) {
                     47:                klseek(kmem, m, 0);
                     48:                read(kmem, &mb, sizeof (mb));
                     49:                m = &mb;
                     50:                mh = mtod(m, struct hmbuf *);
                     51:                if (mh->hm_count == 0) {
                     52:                        m = m->m_next;
                     53:                        continue;
                     54:                }
                     55:                for (hp = mh->hm_hosts; hp < mh->hm_hosts + HPMBUF; hp++) {
                     56:                        if ((hp->h_flags&HF_INUSE) == 0 && hp->h_timer == 0)
                     57:                                continue;
                     58:                        flags = flagbuf;
                     59:                        *flags++ = hp->h_flags&HF_INUSE ? 'A' : 'F';
                     60:                        if (hp->h_flags&HF_DEAD)
                     61:                                *flags++ = 'D';
                     62:                        if (hp->h_flags&HF_UNREACH)
                     63:                                *flags++ = 'U';
                     64:                        *flags = '\0';
                     65:                        printf("%-5.5s %-15.15s %-4d %-9x %-4d %d\n",
                     66:                                flagbuf,
                     67:                                inetname(hp->h_addr),
                     68:                                hp->h_qcnt,
                     69:                                hp->h_q,
                     70:                                hp->h_rfnm,
                     71:                                hp->h_timer);
                     72:                }
                     73:                m = m->m_next;
                     74:        }
                     75: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.