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
|
/*
* Copyright (C) 2007 Xagasoft, All rights reserved.
*
* This file is part of the libbu++ library and is released under the
* terms of the license contained in the file LICENSE.
*/
#include <string>
#include "bu/ito.h"
#include "bu/itoqueue.h"
class Reader : public Bu::Ito
{
public:
Reader( Bu::ItoQueue<std::string *> &q, int id ) :
q( q ),
id( id )
{
}
void *run()
{
for( int i = 0; i < 10; i++ )
{
std::string *pStr = q.dequeue( true );
if( pStr == NULL )
{
printf("Null received...\n");
}
else
{
printf("[%d] read: %s\n", id, pStr->c_str() );
delete pStr;
}
usleep( (int)(((double)rand())/((double)RAND_MAX)*2000000.0) );
}
return NULL;
}
private:
Bu::ItoQueue<std::string *> &q;
int id;
};
class Writer : public Bu::Ito
{
public:
Writer( Bu::ItoQueue<std::string *> &q, int id, const char *strbase ) :
q( q ),
strbase( strbase ),
id( id )
{
}
void *run()
{
for( int i = 0; i < 11; i++ )
{
usleep( (int)(((double)rand())/((double)RAND_MAX)*2000000.0) );
q.enqueue( new std::string( strbase ) );
printf("[%d] write: %s\n", id, strbase );
}
return NULL;
}
private:
Bu::ItoQueue<std::string *> &q;
const char *strbase;
int id;
};
int main()
{
Writer *wr[5];
Reader *rd[5];
const char bob[][7]={
{"Test 1"},
{"Test 2"},
{"Test 3"},
{"Test 4"},
{"Test 5"}
};
Bu::ItoQueue<std::string *> q;
for( int j = 0; j < 5; j++ )
{
wr[j] = new Writer( q, j, bob[j] );
rd[j] = new Reader( q, j );
}
for( int j = 0; j < 5; j++ )
{
rd[j]->start();
}
for( int j = 0; j < 5; j++ )
{
wr[j]->start();
}
for( int j = 0; j < 5; j++ )
{
rd[j]->join();
}
for( int j = 0; j < 5; j++ )
{
delete wr[j];
delete rd[j];
}
return 0;
}
|
