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
|
//=============================================================================
/**
* @file ex3.cpp
*
* Example for using <ACE_UPIPE_SAP> and <ACE_Thread> for intra-process
* communication. This example uses char buffers as input/output
* interface to the <ACE_UPIPE_Stream>.
*
* @author Gerhard Lenzer and Prashant Jain.
*/
//=============================================================================
#include "ace/OS_main.h"
#include "ace/UPIPE_Connector.h"
#include "ace/UPIPE_Acceptor.h"
#include "ace/Auto_Ptr.h"
#include "ace/OS_NS_time.h"
#if defined (ACE_HAS_THREADS)
// Data for testsuite.
static int size = 0;
static int iterations = 0;
static void *
supplier (void *)
{
ACE_UPIPE_Stream s_stream;
ACE_UPIPE_Addr c_addr (ACE_TEXT("pattern"));
ACE_UPIPE_Connector con;
ACE_DEBUG ((LM_DEBUG,
"(%t) supplier starting connect thread\n"));
if (con.connect (s_stream, c_addr) == -1)
ACE_ERROR ((LM_ERROR,
"(%t) %p\n",
"ACE_UPIPE_Acceptor.connect failed"));
ACE_Auto_Basic_Array_Ptr<char> mybuf (new char[size]);
for (int i = 0; i < size; i++)
mybuf[i] = 'a';
for (int j = 0; j < iterations; j++)
if (s_stream.send (mybuf.get (), size) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"(%t) %p\n", "send failed"),
0);
// Insert a 0-sized message block to signal the other side to shut
// down.
if (s_stream.send (new ACE_Message_Block ((size_t) 0)) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"(%t) %p\n", "error put"),
0);
s_stream.close ();
return 0;
}
static void *
consumer (void *)
{
ACE_UPIPE_Stream c_stream;
ACE_UPIPE_Addr serv_addr (ACE_TEXT("pattern"));
// Accept will wait up to 4 seconds
ACE_UPIPE_Acceptor acc (serv_addr);
ACE_DEBUG ((LM_DEBUG,
"(%t) consumer spawning the supplier thread\n"));
// Spawn the supplier thread.
if (ACE_Thread_Manager::instance ()->spawn (ACE_THR_FUNC (supplier),
(void *) 0,
THR_NEW_LWP | THR_DETACHED) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n",
"spawn"),
0);
ACE_DEBUG ((LM_DEBUG,
"(%t) consumer starting accept\n"));
if (acc.accept (c_stream) == -1)
ACE_ERROR ((LM_ERROR, "(%t) %p\n",
"ACE_UPIPE_Acceptor.accept failed"));
// Ensure deletion upon exit.
ACE_Auto_Basic_Array_Ptr<char> mybuf (new char[size]);
time_t currsec;
ACE_OS::time (&currsec);
time_t start = (time_t) currsec;
int result = 0;
int blocks = 0;
for (;; blocks++)
{
result = c_stream.recv (mybuf.get (), size);
if (result <= 0)
break;
}
if (result == -1)
ACE_ERROR ((LM_ERROR,
"(%t) %p\n", "recv failed"));
ACE_OS::time (&currsec);
time_t secs = (time_t) currsec - start;
ACE_DEBUG ((LM_DEBUG,
"(%t) Transferred %d blocks of size %d\n"
"The program ran %d seconds\n",
blocks,
size,
secs));
c_stream.close ();
return 0;
}
int
ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
size = argc > 1 ? ACE_OS::atoi (argv[1]) : 32;
iterations = argc > 2 ? ACE_OS::atoi (argv[2]) : 16;
// Spawn the thread.
if (ACE_Thread_Manager::instance ()->spawn (ACE_THR_FUNC (consumer),
(void *) 0,
THR_NEW_LWP | THR_DETACHED) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n",
"spawn"),
1);
// Wait for producer and consumer threads to exit.
ACE_Thread_Manager::instance ()->wait ();
return 0;
}
#else
int
ACE_TMAIN (int, ACE_TCHAR *[])
{
ACE_ERROR_RETURN ((LM_ERROR,
"threads not supported on this platform\n"),
0);
}
#endif /* ACE_HAS_THREADS */
|
