74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
/*
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* Copyright (c) 1983 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)host.c 1.1 94/10/31 SMI"; /* from UCB 5.2 9/27/85 */
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#endif
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#include <sys/types.h>
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#include <sys/mbuf.h>
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#include <netinet/in.h>
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#include <netimp/if_imp.h>
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#include <netimp/if_imphost.h>
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extern int kread();
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extern int nflag;
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extern char *inetname();
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/*
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* Print the host tables associated with the ARPANET IMP.
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* Symbolic addresses are shown unless the nflag is given.
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*/
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hostpr(hostsaddr)
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off_t hostsaddr;
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{
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struct mbuf *hosts, mb;
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register struct mbuf *m;
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register struct hmbuf *mh;
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register struct host *hp;
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char flagbuf[10], *flags;
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int first = 1;
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if (hostsaddr == 0) {
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printf("hosts: symbol not in namelist\n");
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return;
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}
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kread(hostsaddr, &hosts, sizeof (hosts));
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m = hosts;
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printf("IMP Host Table\n");
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printf("%-5.5s %-15.15s %-4.4s %-9.9s %-4.4s %s\n",
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"Flags", "Host", "Qcnt", "Q Address", "RFNM", "Timer");
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while (m) {
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kread(m, &mb, sizeof (mb));
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m = &mb;
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mh = mtod(m, struct hmbuf *);
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if (mh->hm_count == 0) {
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m = m->m_next;
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continue;
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}
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for (hp = mh->hm_hosts; hp < mh->hm_hosts + HPMBUF; hp++) {
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if ((hp->h_flags&HF_INUSE) == 0 && hp->h_timer == 0)
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continue;
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flags = flagbuf;
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*flags++ = hp->h_flags&HF_INUSE ? 'A' : 'F';
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if (hp->h_flags&HF_DEAD)
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*flags++ = 'D';
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if (hp->h_flags&HF_UNREACH)
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*flags++ = 'U';
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*flags = '\0';
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printf("%-5.5s %-15.15s %-4d %-9x %-4d %d\n",
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flagbuf,
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inetname(hp->h_addr),
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hp->h_qcnt,
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hp->h_q,
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hp->h_rfnm,
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hp->h_timer);
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}
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m = m->m_next;
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}
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}
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