event_loop_test.cpp

   1
   2 #ifdef HAVE_CONFIG_H
   3 #include <config.h>
   4 #endif
   5
   6 #include <iostream>
   7 #include <beacon/event_loop.hpp>
   8 #include <boost/bind.hpp>
   9 #include <beacon/reference_countable.hpp>
  10
  11 using namespace std;
  12 using namespace beacon;
  13
  14 unsigned times_called = 0;
  15 class inv : public invokable {
  16     public:
  17
  18         inv() : invokable(0) {
  19         }
  20
  21         void invoke() {
  22             times_called++;
  23         }
  24
  25         bool operator==(invokable const & other) {
  26             return this == &other;
  27         }
  28 };
  29
  30 void function() {
  31     times_called++;
  32 }
  33
  34 int main(int argc, char * argv[]) {
  35
  36     event_loop el;
  37
  38     el.start();
  39
  40     inv in;
  41
  42     beacon::invokable::token_ptr token(new invocation_token);
  43
  44     //fast
  45     //enqueue<void()>::callable<void(*)()>::type fn = enqueue<void()>::call(el, &function, token);
  46
  47     //slow - approx. 4x slower
  48     enqueue<void()>::invokable<void(*)()>::type fn = enqueue<void()>::invoke(el, &function, token);
  49
  50     boost::xtime start, end, now;
  51     boost::xtime_get(&start, boost::TIME_UTC);
  52
  53     for(int i = 0; i < 1000000; i++) {
  54         fn();
  55     }
  56
  57
  58 //     boost::xtime_get(&now, boost::TIME_UTC);
  59 //     now.nsec += 1000;
  60 //     boost::thread::sleep(now);
  61 //
  62 //     cout << "dequing ";
  63 //     cout << el.dequeue(token) << " calls" << endl;
  64
  65     el.join();
  66
  67     boost::xtime_get(&end, boost::TIME_UTC);
  68
  69     double diff = end.sec - start.sec + (end.nsec - start.nsec) / 1e9;
  70
  71     cout << "time: " << diff << std::endl;
  72     cout << "times called: " << times_called << endl;
  73     return EXIT_SUCCESS;
  74 }