tdhcpleases.c - plan9port - [fork] Plan 9 from user space
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       ---
       tdhcpleases.c (777B)
       ---
            1 #include <u.h>
            2 #include <libc.h>
            3 #include <bio.h>
            4 #include <ndb.h>
            5 #include <ip.h>
            6 #include "dat.h"
            7 
            8 extern        char *binddir;
            9         long now;
           10         char *blog = "ipboot";
           11         int minlease = MinLease;
           12 
           13 void
           14 main(void)
           15 {
           16         Dir *all;
           17         int i, nall, fd;
           18         Binding b;
           19 
           20         fmtinstall('E', eipfmt);
           21         fmtinstall('I', eipfmt);
           22         fmtinstall('V', eipfmt);
           23         fmtinstall('M', eipfmt);
           24 
           25         fd = open(binddir, OREAD);
           26         if(fd < 0)
           27                 sysfatal("opening %s: %r", binddir);
           28         nall = dirreadall(fd, &all);
           29         if(nall < 0)
           30                 sysfatal("reading %s: %r", binddir);
           31         close(fd);
           32 
           33         b.boundto = 0;
           34         b.lease = b.offer = 0;
           35         now = time(0);
           36         for(i = 0; i < nall; i++){
           37                 parseip(b.ip, all[i].name);
           38                 if(syncbinding(&b, 0) < 0)
           39                         continue;
           40                 if(b.lease > now)
           41                         print("%I leased by %s until %s", b.ip, b.boundto, ctime(b.lease));
           42         }
           43 }