test.d

   1 /+
   2  + D Programming Language "bindings" to libev
   3  + <http://software.schmorp.de/pkg/libev.html> test program.
   4  +
   5  + Written by Leandro Lucarella (2008).
   6  +
   7  + Placed under BOLA license <http://auriga.wearlab.de/~alb/bola/> which is
   8  + basically public domain.
   9  +
  10  +/
  11
  12 import io = std.stdio;
  13 import ev;
  14
  15 extern (C)
  16 {
  17         static void stdin_cb (ev_loop_t* loop, ev_io *w, int revents)
  18         {
  19                 io.writefln("stdin ready");
  20                 char[] ln = io.readln();
  21                 io.writef("read %d bytes: %s", ln.length, ln);
  22                 ev_io_stop(loop, w); // just a syntax example
  23                 ev_unloop(loop, how.ALL); // leave all loop calls
  24         }
  25         static void timeout_cb(ev_loop_t* loop, ev_timer *w, int revents)
  26         {
  27                 io.writefln("timeout");
  28                 ev_unloop(loop, how.ONE); // leave one loop call
  29         }
  30 }
  31
  32 void main()
  33 {
  34         ev_io    stdin_watcher;
  35         ev_timer timeout_watcher;
  36
  37         ev_loop_t* loop = ev_default_loop();
  38
  39         /* initialise an io watcher, then start it */
  40         ev_io_init(&stdin_watcher, &stdin_cb, /*STDIN_FILENO*/ 0, READ);
  41         ev_io_start(loop, &stdin_watcher);
  42
  43         /* simple non-repeating 5.5 second timeout */
  44         ev_timer_init(&timeout_watcher, &timeout_cb, 1.5, 0.0);
  45         ev_timer_start(loop, &timeout_watcher);
  46
  47         /* loop till timeout or data ready */
  48         ev_loop(loop, 0);
  49 }
  50