test/caps/client.c

   1 /*
   2  * $DragonFly: src/test/caps/client.c,v 1.3 2004/03/31 20:27:34 dillon Exp $
   3  */
   4 #include <sys/types.h>
   5 #include <sys/time.h>
   6 #include <sys/caps.h>
   7 #include <sys/errno.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <unistd.h>
  12
  13 int
  14 main(int ac, char **av)
  15 {
  16     int cid;
  17     int n;
  18     int count = 0;
  19     long long xcount = 0;
  20     int lostit = 0;
  21     int didfork = 0;
  22     int which = 0;
  23     char buf[256];
  24     struct caps_msgid msgid;
  25     off_t msgcid;
  26     caps_gen_t gen = 0;
  27     caps_gen_t ngen;
  28
  29     cid = caps_sys_client("test", getuid(), getgid(), 0, CAPF_ANYCLIENT);
  30     for (;;) {
  31         errno = 0;
  32         if (cid >= 0) {
  33             msgcid = caps_sys_put(cid, "xyz", 3);
  34             ngen = caps_sys_getgen(cid);
  35         }
  36         if (cid < 0 || (msgcid < 0 && errno == ENOTCONN)) {
  37             if (lostit == 0)
  38                 printf("%d client forked or lost connection, reconnecting\n", which);
  39             lostit = 1;
  40             caps_sys_close(cid);
  41             cid = caps_sys_client("test", getuid(), getgid(), 0,
  42                         CAPF_ANYCLIENT | CAPF_WAITSVC);
  43             continue;
  44         }
  45         if (lostit) {
  46             printf("%d client resume on reconnect after lost connection\n", which);
  47             lostit = 0;
  48         }
  49         if (ngen != gen) {
  50             printf("%d client: note generation change %lld\n", which, ngen);
  51             gen = ngen;
  52         }
  53 #ifdef DEBUG
  54         printf("msgcid = %016llx %d\n", msgcid, errno);
  55 #endif
  56         n = caps_sys_wait(cid, buf, sizeof(buf), &msgid, NULL);
  57 #ifdef DEBUG
  58         printf("n = %d msgid=%016llx state=%d errno=%d\n", n, msgid.c_id, msgid.c_state, errno);
  59         if (n > 0)
  60             printf("REPLY: %*.*s\n", n, n, buf);
  61 #endif
  62         ++count;
  63         ++xcount;
  64         if ((count & 65535) == 0)
  65             printf("%d %lld\n", which, xcount);
  66         if (count == 100000000)
  67             count = 0;
  68         if (count == 1000 && didfork == 0 && which < 10) {
  69             if (fork() == 0) {
  70                 usleep(100000);
  71                 ++which;
  72             } else {
  73                 printf("forked pid %d client #%d\n", (int)getpid(), which + 1);
  74                 didfork = 1;
  75             }
  76         }
  77     }
  78     return(0);
  79 }
  80