resolv/ga_test.c

   1 #include <arpa/inet.h>
   2 #include <netinet/in.h>
   3 #include <netdb.h>
   4 #include <signal.h>
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7
   8
   9 int
  10 main (void)
  11 {
  12 #define N 10
  13   struct gaicb reqmem[N];
  14   struct gaicb *req[N];
  15   int n;
  16
  17   for (n = 0; n < N; ++n)
  18     {
  19       asprintf (&reqmem[n].ar_name, "test%d.test.redhat.com", 140 + n);
  20       reqmem[n].ar_service = NULL;
  21       reqmem[n].ar_request = NULL;
  22       reqmem[n].ar_result = NULL;
  23       req[n] = &reqmem[n];
  24     }
  25
  26   if (getaddrinfo_a (GAI_NOWAIT, req, N, NULL) != 0)
  27     {
  28       puts ("queue call failed");
  29       exit (1);
  30     }
  31   else
  32     puts ("queue call successful");
  33
  34   while (1)
  35     {
  36       int any = 0;
  37
  38       for (n = 0; n < N; ++n)
  39         if (req[n] != NULL && gai_error (req[n]) != EAI_INPROGRESS)
  40           {
  41             if (gai_error (req[n]) == 0)
  42               {
  43                 struct addrinfo *runp = req[n]->ar_result;
  44
  45                 while (runp != NULL)
  46                   {
  47                     switch (runp->ai_family)
  48                       {
  49                       case PF_INET:
  50                         {
  51                           struct sockaddr_in *sinp;
  52
  53                           sinp = (struct sockaddr_in *) runp->ai_addr;
  54                           printf ("%2d: %s = %s\n", n,
  55                                   req[n]->ar_name, inet_ntoa (sinp->sin_addr));
  56                         }
  57                         break;
  58                       default:
  59                         printf ("%2d: family %d\n", n, runp->ai_family);
  60                         break;
  61                       }
  62                     runp = runp->ai_next;
  63                   }
  64               }
  65             else
  66               printf ("error for %d: %s\n", n,
  67                       gai_strerror (gai_error (req[n])));
  68             req[n] = NULL;
  69             break;
  70           }
  71         else if (req[n] != NULL)
  72           any = 1;
  73
  74       if (n == N)
  75         {
  76           if (any)
  77             gai_suspend (req, N, NULL);
  78           else
  79             break;
  80         }
  81     }
  82
  83   __libc_write(1,"got all\n", 8);
  84
  85   for (n = 0; n < N; ++n)
  86     if (gai_error (&reqmem[n]) == 0)
  87       {
  88         struct addrinfo *runp = reqmem[n].ar_result;
  89
  90         while (runp != NULL)
  91           {
  92             struct addrinfo *oldp = runp;
  93             runp = runp->ai_next;
  94             freeaddrinfo (oldp);
  95           }
  96       }
  97
  98   return 0;
  99 }