1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
|
//=============================================================================
/**
* @file MT_Reference_Counted_Notify_Test.cpp
*
* This test is used to check reference counting of the event
* handlers when it interacts with the reactor notification
* mechanism.
*
* @author Irfan Pyarali <irfan@oomworks.com>
*/
//=============================================================================
#include "test_config.h"
#include "ace/OS_NS_unistd.h"
#include "ace/Reactor.h"
#include "ace/Select_Reactor.h"
#include "ace/TP_Reactor.h"
#include "ace/WFMO_Reactor.h"
#include "ace/Dev_Poll_Reactor.h"
#include "ace/Task.h"
#include "ace/Get_Opt.h"
#if defined (ACE_HAS_THREADS)
static int test_select_reactor = 1;
static int test_tp_reactor = 1;
static int test_wfmo_reactor = 1;
static int test_dev_poll_reactor = 1;
static int test_empty_notify = 1;
static int test_simple_notify = 1;
static int test_reference_counted_notify = 1;
static int iterations = 5;
static int debug = 1;
class Reference_Counted_Event_Handler : public ACE_Event_Handler
{
public:
Reference_Counted_Event_Handler ();
~Reference_Counted_Event_Handler ();
int handle_input (ACE_HANDLE);
ACE_Event_Handler::Reference_Count add_reference ();
ACE_Event_Handler::Reference_Count remove_reference ();
};
Reference_Counted_Event_Handler::Reference_Counted_Event_Handler ()
{
this->reference_counting_policy ().value
(ACE_Event_Handler::Reference_Counting_Policy::ENABLED);
if (debug)
ACE_DEBUG
((LM_DEBUG,
ACE_TEXT ("Reference count in Reference_Counted_Event_Handler() ")
ACE_TEXT ("is %d\n"),
this->reference_count_.load ()));
}
Reference_Counted_Event_Handler::~Reference_Counted_Event_Handler ()
{
if (debug)
ACE_DEBUG
((LM_DEBUG,
ACE_TEXT ("Reference count in ~Reference_Counted_Event_Handler() ")
ACE_TEXT ("is %d\n"),
this->reference_count_.load ()));
if (0 != this->reference_count_.load ())
ACE_ERROR
((LM_ERROR,
ACE_TEXT ("Reference count in ~Reference_Counted_Event_Handler() ")
ACE_TEXT ("should be 0 but is %d\n"),
this->reference_count_.load ()));
}
int
Reference_Counted_Event_Handler::handle_input (ACE_HANDLE)
{
if (debug)
ACE_DEBUG
((LM_DEBUG,
ACE_TEXT ("Reference count in Reference_Counted_Event_Handler::")
ACE_TEXT ("handle_input() is %d\n"),
this->reference_count_.load ()));
if (2 != this->reference_count_.load ())
ACE_ERROR
((LM_ERROR,
ACE_TEXT ("Reference count in Reference_Counted_Event_Handler::")
ACE_TEXT ("handle_input() should be 2 but is %d\n"),
this->reference_count_.load ()));
return 0;
}
ACE_Event_Handler::Reference_Count
Reference_Counted_Event_Handler::add_reference ()
{
ACE_Event_Handler::Reference_Count reference_count =
this->ACE_Event_Handler::add_reference ();
if (debug)
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("Reference count after add_reference() is %d\n"),
this->reference_count_.load ()));
return reference_count;
}
ACE_Event_Handler::Reference_Count
Reference_Counted_Event_Handler::remove_reference ()
{
ACE_Event_Handler::Reference_Count reference_count =
this->ACE_Event_Handler::remove_reference ();
if (debug)
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("Reference count after remove_reference() is %d\n"),
reference_count));
return reference_count;
}
class Simple_Event_Handler : public ACE_Event_Handler
{
public:
Simple_Event_Handler (int notifies);
~Simple_Event_Handler ();
int handle_input (ACE_HANDLE);
int notifies_;
};
Simple_Event_Handler::Simple_Event_Handler (int notifies)
: notifies_ (notifies)
{
if (debug)
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Simple_Event_Handler()\n")));
}
Simple_Event_Handler::~Simple_Event_Handler ()
{
if (debug)
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("~Simple_Event_Handler()\n")));
}
int
Simple_Event_Handler::handle_input (ACE_HANDLE)
{
if (debug)
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("Simple_Event_Handler::handle_input()\n")));
this->notifies_--;
if (this->notifies_ == 0)
delete this;
return 0;
}
class Event_Loop_Thread : public ACE_Task_Base
{
public:
Event_Loop_Thread (ACE_Thread_Manager &thread_manager,
ACE_Reactor &reactor,
int extra_iterations_needed);
int svc ();
ACE_Reactor &reactor_;
int extra_iterations_needed_;
};
Event_Loop_Thread::Event_Loop_Thread (ACE_Thread_Manager &thread_manager,
ACE_Reactor &reactor,
int extra_iterations_needed)
: ACE_Task_Base (&thread_manager),
reactor_ (reactor),
extra_iterations_needed_ (extra_iterations_needed)
{
}
int
Event_Loop_Thread::svc ()
{
int counter = 0;
// Simply run the event loop.
this->reactor_.owner (ACE_Thread::self ());
while (1)
{
counter++;
if (debug)
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("Event Loop iteration %d....\n"),
counter));
this->reactor_.handle_events ();
if (counter ==
iterations + this->extra_iterations_needed_)
break;
}
return 0;
}
void
notify (ACE_Reactor &reactor,
ACE_Event_Handler *event_handler,
int extra_iterations_needed)
{
ACE_Thread_Manager thread_manager;
// Create a thread to run the event loop.
Event_Loop_Thread event_loop_thread (thread_manager,
reactor,
extra_iterations_needed);
int result =
event_loop_thread.activate ();
ACE_TEST_ASSERT (result == 0);
for (int i = 0;
i < iterations;
++i)
{
ACE_OS::sleep (ACE_Time_Value (0, 500 * 1000));
result = reactor.notify (event_handler,
ACE_Event_Handler::READ_MASK);
ACE_TEST_ASSERT (result == 0);
}
thread_manager.wait ();
}
template <class REACTOR_IMPLEMENTATION>
class test
{
public:
test (int extra_iterations_needed);
};
template <class REACTOR_IMPLEMENTATION>
test<REACTOR_IMPLEMENTATION>::test (int extra_iterations_needed)
{
if (test_empty_notify)
{
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("\n\nTesting empty notifies...\n\n")));
REACTOR_IMPLEMENTATION impl;
ACE_Reactor reactor (&impl, 0);
notify (reactor,
0,
extra_iterations_needed);
}
if (test_simple_notify)
{
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("\n\nTesting simple notifies...\n\n")));
REACTOR_IMPLEMENTATION impl;
ACE_Reactor reactor (&impl, 0);
Simple_Event_Handler *simple_event_handler =
new Simple_Event_Handler (iterations);
notify (reactor,
simple_event_handler,
extra_iterations_needed);
}
if (test_reference_counted_notify)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("\n\nTesting reference counted notifies...\n\n")));
REACTOR_IMPLEMENTATION impl;
ACE_Reactor reactor (&impl, 0);
Reference_Counted_Event_Handler *reference_counted_event_handler =
new Reference_Counted_Event_Handler;
ACE_Event_Handler_var safe_event_handler (reference_counted_event_handler);
notify (reactor,
reference_counted_event_handler,
extra_iterations_needed);
}
}
static int
parse_args (int argc, ACE_TCHAR *argv[])
{
ACE_Get_Opt get_opt (argc, argv, ACE_TEXT ("a:b:c:d:e:f:g:z:"));
int cc;
while ((cc = get_opt ()) != -1)
{
switch (cc)
{
case 'a':
test_select_reactor = ACE_OS::atoi (get_opt.opt_arg ());
break;
case 'b':
test_tp_reactor = ACE_OS::atoi (get_opt.opt_arg ());
break;
case 'c':
test_wfmo_reactor = ACE_OS::atoi (get_opt.opt_arg ());
break;
case 'd':
test_dev_poll_reactor = ACE_OS::atoi (get_opt.opt_arg ());
break;
case 'e':
test_empty_notify = ACE_OS::atoi (get_opt.opt_arg ());
break;
case 'f':
test_simple_notify = ACE_OS::atoi (get_opt.opt_arg ());
break;
case 'g':
test_reference_counted_notify = ACE_OS::atoi (get_opt.opt_arg ());
break;
case 'z':
debug = ACE_OS::atoi (get_opt.opt_arg ());
break;
default:
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("\nusage: %s \n\n")
ACE_TEXT ("\t[-a test Select Reactor] (defaults to %d)\n")
ACE_TEXT ("\t[-b test TP Reactor] (defaults to %d)\n")
ACE_TEXT ("\t[-c test WFMO Reactor] (defaults to %d)\n")
ACE_TEXT ("\t[-d test Dev Poll Reactor] (defaults to %d)\n")
ACE_TEXT ("\t[-e test empty notify] (defaults to %d)\n")
ACE_TEXT ("\t[-f test simple notify] (defaults to %d)\n")
ACE_TEXT ("\t[-g test reference counted notify] (defaults to %d)\n")
ACE_TEXT ("\t[-z debug] (defaults to %d)\n")
ACE_TEXT ("\n"),
argv[0],
test_select_reactor,
test_tp_reactor,
test_wfmo_reactor,
test_dev_poll_reactor,
test_empty_notify,
test_simple_notify,
test_reference_counted_notify,
debug));
return -1;
}
}
return 0;
}
int
run_main (int argc, ACE_TCHAR *argv[])
{
ACE_START_TEST (ACE_TEXT ("MT_Reference_Counted_Notify_Test"));
// Validate options.
int result =
parse_args (argc, argv);
if (result != 0)
return result;
int extra_iterations_needed = 1;
int extra_iterations_not_needed = 0;
if (test_select_reactor)
{
ACE_DEBUG ((LM_DEBUG,
"\n\nTesting Select Reactor....\n\n"));
test<ACE_Select_Reactor> test (extra_iterations_not_needed);
ACE_UNUSED_ARG (test);
}
if (test_tp_reactor)
{
ACE_DEBUG ((LM_DEBUG,
"\n\nTesting TP Reactor....\n\n"));
test<ACE_TP_Reactor> test (extra_iterations_not_needed);
ACE_UNUSED_ARG (test);
}
#if defined (ACE_HAS_EVENT_POLL)
if (test_dev_poll_reactor)
{
ACE_DEBUG ((LM_DEBUG,
"\n\nTesting Dev Poll Reactor....\n\n"));
test<ACE_Dev_Poll_Reactor> test (extra_iterations_not_needed);
ACE_UNUSED_ARG (test);
}
#endif
#if defined (ACE_WIN32)
if (test_wfmo_reactor)
{
ACE_DEBUG ((LM_DEBUG,
"\n\nTesting WFMO Reactor....\n\n"));
test<ACE_WFMO_Reactor> test (extra_iterations_needed);
ACE_UNUSED_ARG (test);
}
#else /* ACE_WIN32 */
ACE_UNUSED_ARG (extra_iterations_needed);
#endif /* ACE_WIN32 */
ACE_END_TEST;
return 0;
}
#else /* ACE_HAS_THREADS */
int
run_main (int, ACE_TCHAR *[])
{
ACE_START_TEST (ACE_TEXT ("MT_Reference_Counted_Notify_Test"));
ACE_ERROR ((LM_INFO,
ACE_TEXT ("threads not supported on this platform\n")));
ACE_END_TEST;
return 0;
}
#endif /* ACE_HAS_THREADS */
|