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
|
// $Id$
// ******************************************************************
// Include Section
// ******************************************************************
#include "ace/Get_Opt.h"
#include "orbsvcs/CosNotifyCommC.h"
#include "orbsvcs/CosNamingC.h"
#include "Notify_Sequence_Push_Consumer.h"
#include "goC.h"
#include "Notify_Test_Client.h"
// ******************************************************************
// Data Section
// ******************************************************************
static const char* ior = "file://supplier.ior";
static CORBA::Short discard_policy = CosNotification::FifoOrder;
static unsigned int low = 10;
static unsigned int high = 13;
// ******************************************************************
// Subroutine Section
// ******************************************************************
class Consumer_Client : public Notify_Test_Client
{
public:
virtual int parse_args (int argc, char* argv[]);
};
int
Consumer_Client::parse_args (int argc, char *argv[])
{
ACE_Get_Opt get_opts (argc, argv, "k:l:h:d:");
int c;
while ((c = get_opts ()) != -1)
switch (c)
{
case 'k':
ior = get_opts.optarg;
break;
case 'l':
low = ACE_OS::atoi (get_opts.optarg);
break;
case 'h':
high = ACE_OS::atoi (get_opts.optarg);
break;
case 'd':
{
const char* discard = get_opts.optarg;
if (ACE_OS::strcmp (discard, "fifo") == 0)
{
discard_policy = CosNotification::FifoOrder;
}
else if (ACE_OS::strcmp (discard, "priority") == 0)
{
discard_policy = CosNotification::PriorityOrder;
}
else if (ACE_OS::strcmp (discard, "lifo") == 0)
{
discard_policy = CosNotification::LifoOrder;
}
else if (ACE_OS::strcmp (discard, "deadline") == 0)
{
discard_policy = CosNotification::DeadlineOrder;
#if !defined (ACE_HAS_TIMED_MESSAGE_BLOCKS)
ACE_ERROR_RETURN ((LM_ERROR,
"This order policy requires timed message "
"blocks.\nPlease #define "
"ACE_HAS_TIMED_MESSAGE_BLOCKS in your "
"config.h\n"), -1);
#endif
}
else
{
ACE_ERROR_RETURN ((LM_ERROR,
"Unknown discard policy: %s\n",
discard_policy),
-1);
}
break;
}
default:
ACE_ERROR_RETURN ((LM_ERROR,
"usage: %s "
"-k <ior> "
"-l <low expected events> "
"-h <high expected events> "
"-d <fifo|priority|lifo|deadline> "
"\n",
argv [0]),
-1);
}
// Indicates sucessful parsing of the command line
return 0;
}
static CosNotifyChannelAdmin::ConsumerAdmin_ptr
create_consumeradmin (CosNotifyChannelAdmin::EventChannel_ptr ec
ACE_ENV_ARG_DECL)
{
CosNotifyChannelAdmin::AdminID adminid = 0;
CosNotifyChannelAdmin::ConsumerAdmin_var admin =
ec->new_for_consumers (CosNotifyChannelAdmin::OR_OP,
adminid
ACE_ENV_ARG_PARAMETER);
ACE_CHECK_RETURN (0);
// Setup the CA to receive all type of events
CosNotification::EventTypeSeq added (1);
CosNotification::EventTypeSeq removed (0);
added.length (1);
removed.length (0);
added[0].domain_name = CORBA::string_dup ("*");
added[0].type_name = CORBA::string_dup ("*");
admin->subscription_change (added, removed ACE_ENV_ARG_PARAMETER);
ACE_CHECK_RETURN (0);
return CosNotifyChannelAdmin::ConsumerAdmin::_duplicate (admin.in ());
}
static void
create_consumers (CosNotifyChannelAdmin::ConsumerAdmin_ptr admin,
Notify_Test_Client* client
ACE_ENV_ARG_DECL)
{
// startup the consumer
Notify_Sequence_Push_Consumer* consumer_1;
ACE_NEW_THROW_EX (consumer_1,
Notify_Sequence_Push_Consumer ("consumer1",
discard_policy,
low,
high,
client->done ()),
CORBA::NO_MEMORY ());
consumer_1->init (client->root_poa () ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
consumer_1->connect (admin ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
}
// ******************************************************************
// Main Section
// ******************************************************************
int main (int argc, char* argv[])
{
int status = 0;
ACE_TRY_NEW_ENV
{
Consumer_Client client;
status = client.init (argc, argv ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
if (status == 0)
{
CosNotifyChannelAdmin::EventChannel_var ec =
client.create_event_channel ("MyEventChannel", 1 ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
CORBA::ORB_ptr orb = client.orb ();
CORBA::Object_var object =
orb->string_to_object (ior ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
sig_var sig = sig::_narrow (object.in () ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
if (CORBA::is_nil (sig.in ()))
{
ACE_ERROR_RETURN ((LM_ERROR,
"Object reference <%s> is nil\n",
ior),
1);
}
CosNotifyChannelAdmin::ConsumerAdmin_var admin =
create_consumeradmin (ec.in () ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
if (!CORBA::is_nil (admin.in ()))
{
create_consumers (admin.in (), &client ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// Tell the supplier to go
sig->go (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
unsigned int try_count = 0;
unsigned int try_max = (high - low) * 2;
while (client.done () <= 1)
{
// See if we can get any more events
if (client.done ())
{
ACE_OS::sleep (3);
try_count++;
if (try_count >= try_max)
break;
}
if (orb->work_pending ())
{
orb->perform_work ();
}
}
}
}
}
ACE_CATCH (CORBA::Exception, e)
{
ACE_PRINT_EXCEPTION (e,
"Consumer exception: ");
status = 1;
}
ACE_ENDTRY;
return status;
}
|
