libevent/test/test-time.c

   1 /*
   2  * Compile with:
   3  * cc -I/usr/local/include -o time-test time-test.c -L/usr/local/lib -levent
   4  */
   5 #include "event2/event-config.h"
   6
   7 #include <sys/types.h>
   8 #include <sys/stat.h>
   9 #include <fcntl.h>
  10 #include <stdlib.h>
  11 #include <stdio.h>
  12 #include <string.h>
  13 #ifndef WIN32
  14 #include <unistd.h>
  15 #include <sys/time.h>
  16 #endif
  17 #include <errno.h>
  18
  19 #include "event2/event.h"
  20 #include "event2/event_compat.h"
  21 #include "event2/event_struct.h"
  22
  23 int called = 0;
  24
  25 #define NEVENT  20000
  26
  27 struct event *ev[NEVENT];
  28
  29 static int
  30 rand_int(int n)
  31 {
  32 #ifdef WIN32
  33         return (int)(rand() % n);
  34 #else
  35         return (int)(random() % n);
  36 #endif
  37 }
  38
  39 static void
  40 time_cb(evutil_socket_t fd, short event, void *arg)
  41 {
  42         struct timeval tv;
  43         int i, j;
  44
  45         called++;
  46
  47         if (called < 10*NEVENT) {
  48                 for (i = 0; i < 10; i++) {
  49                         j = rand_int(NEVENT);
  50                         tv.tv_sec = 0;
  51                         tv.tv_usec = rand_int(50000);
  52                         if (tv.tv_usec % 2)
  53                                 evtimer_add(ev[j], &tv);
  54                         else
  55                                 evtimer_del(ev[j]);
  56                 }
  57         }
  58 }
  59
  60 int
  61 main(int argc, char **argv)
  62 {
  63         struct timeval tv;
  64         int i;
  65 #ifdef WIN32
  66         WORD wVersionRequested;
  67         WSADATA wsaData;
  68         int     err;
  69
  70         wVersionRequested = MAKEWORD(2, 2);
  71
  72         err = WSAStartup(wVersionRequested, &wsaData);
  73 #endif
  74
  75         /* Initalize the event library */
  76         event_init();
  77
  78         for (i = 0; i < NEVENT; i++) {
  79                 ev[i] = malloc(sizeof(struct event));
  80
  81                 /* Initalize one event */
  82                 evtimer_set(ev[i], time_cb, ev[i]);
  83                 tv.tv_sec = 0;
  84                 tv.tv_usec = rand_int(50000);
  85                 evtimer_add(ev[i], &tv);
  86         }
  87
  88         event_dispatch();
  89
  90         return (called < NEVENT);
  91 }
  92