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
|
//=============================================================================
/**
* @file Handle_Set_Test.cpp
*
* This test illustrates the use of ACE_Handle_Set to maintain a
* set of handles. No command line arguments are needed to run
* the test.
*
* @author Prashant Jain <pjain@cs.wustl.edu>
*/
//=============================================================================
#include "test_config.h"
#include "ace/OS_NS_stdlib.h"
#include "ace/Profile_Timer.h"
#include "ace/Handle_Set.h"
#include "ace/Containers.h"
static void
test_duplicates (size_t count)
{
size_t duplicates = 0;
size_t sets = 0;
size_t clears = 0;
ACE_Handle_Set handle_set;
ACE_OS::srand ((u_int) ACE_OS::time (0L));
for (size_t i = 0; i < count; i++)
{
size_t handle =
static_cast<size_t> (ACE_OS::rand () % ACE_Handle_Set::MAXSIZE);
if (ACE_ODD (handle))
{
if (handle_set.is_set ((ACE_HANDLE) handle))
duplicates++;
handle_set.set_bit ((ACE_HANDLE) handle);
sets++;
}
else
{
if (handle_set.is_set ((ACE_HANDLE) handle))
duplicates--;
handle_set.clr_bit ((ACE_HANDLE) handle);
clears++;
}
}
ACE_TEST_ASSERT (count == sets + clears);
ACE_TEST_ASSERT (handle_set.num_set () + duplicates == sets);
}
// This is the vector of handles to test. These numbers are chosen to
// test for boundaries conditions. Note that if
// <ACE_DEFAULT_SELECT_REACTOR_SIZE> is less than any of these
// <HANDLE> values, the logic in <test_boundaries> will simply ignore
// these values.
#if defined (ACE_WIN64)
// The casts below are legit...
# pragma warning(push)
# pragma warning(disable : 4312)
#endif /* ACE_WIN64 */
static ACE_HANDLE handle_vector[] =
{
(ACE_HANDLE) 0,
(ACE_HANDLE) 1,
(ACE_HANDLE) 31,
(ACE_HANDLE) 32,
(ACE_HANDLE) 63,
(ACE_HANDLE) 64,
(ACE_HANDLE) 65,
(ACE_HANDLE) 127,
(ACE_HANDLE) 128,
(ACE_HANDLE) 129,
(ACE_HANDLE) 254,
(ACE_HANDLE) 255,
(ACE_HANDLE) (ACE_DEFAULT_SELECT_REACTOR_SIZE - 1),
(ACE_HANDLE) ACE_DEFAULT_SELECT_REACTOR_SIZE,
ACE_INVALID_HANDLE
};
#if defined (ACE_WIN64)
# pragma warning(pop)
#endif /* ACE_WIN64 */
static void
test_boundaries (void)
{
ACE_Handle_Set handle_set;
ACE_Unbounded_Set<ACE_HANDLE> set;
ACE_HANDLE handle;
// First test an empty set.
for (ACE_Handle_Set_Iterator i1 (handle_set);
(handle = i1 ()) != ACE_INVALID_HANDLE;
)
{
ACE_TEST_ASSERT (0 ==
ACE_TEXT ("this shouldn't get called since ")
ACE_TEXT ("the set is empty!\n"));
}
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("ACE_DEFAULT_SELECT_REACTOR_SIZE %d\n"),
ACE_DEFAULT_SELECT_REACTOR_SIZE));
// Insert the vector of <ACE_HANDLE>s into the set.
#if defined (ACE_WIN64)
// The casts below are legit...
# pragma warning(push)
# pragma warning(disable : 4312)
#endif /* ACE_WIN64 */
for (int i = 0;
handle_vector[i] != ACE_INVALID_HANDLE;
i++)
{
if (handle_vector[i] < (ACE_HANDLE) ACE_DEFAULT_SELECT_REACTOR_SIZE)
{
handle_set.set_bit (handle_vector[i]);
set.insert (handle_vector[i]);
}
}
#if defined (ACE_WIN64)
# pragma warning(pop)
#endif /* ACE_WIN64 */
int count = 0;
for (ACE_Handle_Set_Iterator i2 (handle_set);
(handle = i2 ()) != ACE_INVALID_HANDLE;
)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("obtained handle %d\n"),
handle));
int done = set.remove (handle);
ACE_TEST_ASSERT (done == 0);
count++;
}
ACE_TEST_ASSERT (count == handle_set.num_set ());
}
static void
test_performance (size_t max_handles,
size_t max_iterations)
{
ACE_Handle_Set handle_set;
size_t i;
for (i = 0; i < max_handles; i++)
handle_set.set_bit ((ACE_HANDLE) i);
ACE_Profile_Timer timer;
size_t count = 0;
timer.start ();
for (i = 0; i < max_iterations; i++)
{
ACE_Handle_Set_Iterator iter (handle_set);
// Only iterate up to <handle_set.max_set ()>.
while (iter () != ACE_INVALID_HANDLE)
count++;
}
timer.stop ();
ACE_TEST_ASSERT (count == max_handles * max_iterations);
ACE_Profile_Timer::ACE_Elapsed_Time et;
timer.elapsed_time (et);
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("real time = %f secs, user time = %f secs, ")
ACE_TEXT ("system time = %f secs\n"),
et.real_time,
et.user_time,
et.system_time));
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("time per each of the %d calls = %f usecs\n"),
count,
et.real_time / double (count) * 1000000));
}
int
run_main (int argc, ACE_TCHAR *argv[])
{
ACE_START_TEST (ACE_TEXT ("Handle_Set_Test"));
int count = argc > 1
? ACE_OS::atoi (argv[1])
: ACE_Handle_Set::MAXSIZE;
size_t max_handles =
argc > 2
? ACE_OS::atoi (argv[2])
: ACE_Handle_Set::MAXSIZE;
size_t max_iterations =
argc > 3
? ACE_OS::atoi (argv[3])
: ACE_MAX_ITERATIONS;
test_duplicates (count);
test_boundaries ();
test_performance (max_handles,
max_iterations);
ACE_END_TEST;
return 0;
}
|
