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
|
// $Id$
// ============================================================================
//
// = LIBRARY
// tests
//
// = FILENAME
// Purge_Test.cpp
//
// = DESCRIPTION
// This test illustrates the use of the new purging feature
// which is incorporated in the Hash_Purgable_Map_Manager class.
//
// = AUTHOR
// Kirthika Parameswaran <kirthika@cs.wustl.edu>
//
// ============================================================================
#include "ace/Hash_Purgable_Map_Manager_T.h"
#include "test_config.h"
#include "ace/Containers.h"
#include "ace/OS.h"
#include "ace/Functor_T.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#if defined(__BORLANDC__) && __BORLANDC__ >= 0x0530
USELIB("..\ace\aced.lib");
//---------------------------------------------------------------------------
#endif /* defined(__BORLANDC__) && __BORLANDC__ >= 0x0530 */
ACE_RCSID(tests, Purgable_Map_Manager_Test, "$Id$")
class Entry_ID
{
//= TITLE
// This class is a test class which contains an integer value.
//
//= DESCRIPTION
// This class is used as an KEY and VALUE of the map entry.
public:
Entry_ID (int val = 0)
: val_ (val)
{
}
~Entry_ID (void)
{
}
// Obtain the value stored.
int get_val (void)
{
return this->val_;
}
// Hashing needed to access an entry in the map.
u_long hash (void) const
{
return this->val_;
}
// Needed since every entry KEY has to be checked on a lookup.
friend int operator== (const Entry_ID &lhs, const Entry_ID &rhs)
{
return (&lhs == &rhs) ? 0 : 1;
}
private:
int val_;
};
// The map which has the purging feature.
typedef ACE_Hash_Purgable_Map_Manager_Ex<Entry_ID, Entry_ID, ACE_Hash<Entry_ID>, ACE_Equal_To<Entry_ID>, ACE_Null_Mutex>
PURGE_MAP;
// Function to display the entries in the map.
void display_map (PURGE_MAP &map)
{
// The Hash_Map entry without the purgable feature.
typedef ACE_Hash_Map_Entry<Entry_ID, Entry_ID> *ENTRY;
// The derived class from Hash_Map_Entry which facilitates purging thru its purge_tag member.
typedef ACE_Hash_Purgable_Map_Entry<Entry_ID, Entry_ID> *PURGABLE_ENTRY;
ACE_DEBUG ((LM_DEBUG,
"Entries in the map:\n"));
ENTRY entry = 0;
PURGABLE_ENTRY purgable_entry = 0;
// Simply traverse thru the map, displaying the entries.
for (PURGE_MAP::iterator iter (map);
iter.next (entry) != 0;
iter.advance ())
{
purgable_entry = (PURGABLE_ENTRY) entry;
ACE_DEBUG ((LM_DEBUG,
"%d:%d purge_tag:%d\n",
(purgable_entry->ext_id_).get_val (),
(purgable_entry->int_id_).get_val (),
purgable_entry->get_purge_tag ()));
}
}
int main (int argc, char *argv[])
{
ACE_UNUSED_ARG (argc);
ACE_UNUSED_ARG (argv);
ACE_START_TEST ("Purgable_Map_Manager_Test");
// The map object.
PURGE_MAP map;
// The EXT_ID elements of the entry.
Entry_ID addr1 (1234), addr2 (5678), addr3 (678), addr4 (12);
// The INT_ID elements of the entry.
Entry_ID ts1 (7), ts2 (8), ts3 (0), ts4 (0);
ACE_ASSERT (map.bind (addr1, ts1) == 0);
ACE_ASSERT (map.bind (addr2, ts2) == 0);
ACE_ASSERT (map.bind (addr3, ts3) == 0);
ACE_ASSERT (map.bind (addr4, ts4) == 0);
// Display entries in the map.
display_map (map);
ACE_DEBUG ((LM_DEBUG,
"Lookup entry %d in the map...\n", addr1.get_val ()));
// Lookup an entry in the map.
ACE_ASSERT (map.find (addr1) == 0);
ACE_DEBUG ((LM_DEBUG,
"Note the change in the purge_tag value of the entry looked up...\n"));
// Display entries in the map. There would be a change in the
// purge_tag values now.
display_map (map);
ACE_DEBUG ((LM_DEBUG,
"current size = %d\n",map.current_size ()));
// Map is full! need to purge. Decided to purge two of them.
ACE_ASSERT (map.purge (2) == 0);
ACE_DEBUG ((LM_DEBUG,
"Purging two least recently used entries from map...\nHence the "));
// Display entries in the map. There would be a change in the
// purge_tag values now.
display_map (map);
ACE_DEBUG ((LM_DEBUG,
"current size = %d\n",map.current_size ()));
ACE_END_TEST;
return 0;
}
#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
template class ACE_Hash_Purgable_Map_Entry<Entry_ID, Entry_ID>;
template class ACE_Equal_To<Entry_ID>;
template class ACE_Hash<Entry_ID>;
template class ACE_Hash_Purgable_Map_Manager_Ex<Entry_ID, Entry_ID, ACE_Hash<Entry_ID>, ACE_Equal_To<Entry_ID>, ACE_Null_Mutex>;
template class ACE_Hash_Map_Entry<Entry_ID, Entry_ID>;
template class ACE_Hash_Map_Manager_Ex<Entry_ID, Entry_ID, ACE_Hash<Entry_ID>, ACE_Equal_To<Entry_ID>, ACE_Null_Mutex>;
template class ACE_Hash_Map_Iterator_Base_Ex<Entry_ID, Entry_ID, ACE_Hash<Entry_ID>, ACE_Equal_To<Entry_ID>, ACE_Null_Mutex>;
template class ACE_Hash_Map_Iterator_Ex<Entry_ID, Entry_ID, ACE_Hash<Entry_ID>, ACE_Equal_To<Entry_ID>, ACE_Null_Mutex>;
template class ACE_Hash_Map_Reverse_Iterator_Ex<Entry_ID, Entry_ID, ACE_Hash<Entry_ID>, ACE_Equal_To<Entry_ID>, ACE_Null_Mutex>;
#elif defined(ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#pragma instantiate ACE_Hash_Purgable_Map_Entry<Entry_ID, Entry_ID >
#pragma instantiate ACE_Equal_To<Entry_ID>
#pragma instantiate ACE_Hash<Entry_ID>
#pragma instantiate ACE_Hash_Purgable_Map_Manager_Ex<Entry_ID, Entry_ID, ACE_Hash<Entry_ID>, ACE_Equal_To<Entry_ID>, ACE_Null_Mutex>
#pragma instantiate ACE_Hash_Map_Entry<Entry_ID, Entry_ID >
#pragma instantiate ACE_Hash_Map_Manager_Ex<Entry_ID, Entry_ID, ACE_Hash<Entry_ID>, ACE_Equal_To<Entry_ID>, ACE_Null_Mutex>
#pragma instantiate ACE_Hash_Map_Iterator_Base_Ex<Entry_ID, Entry_ID, ACE_Hash<Entry_ID>, ACE_Equal_To<Entry_ID>, ACE_Null_Mutex>
#pragma instantiate ACE_Hash_Map_Iterator_Ex<Entry_ID, Entry_ID, ACE_Hash<Entry_ID>, ACE_Equal_To<Entry_ID>, ACE_Null_Mutex>
#pragma instantiate ACE_Hash_Map_Reverse_Iterator_Ex<Entry_ID, Entry_ID, ACE_Hash<Entry_ID>, ACE_Equal_To<Entry_ID>, ACE_Null_Mutex>
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
|
