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
|
// $Id$
#include "Supplier.h"
#include "orbsvcs/RtecEventChannelAdminC.h"
#include "orbsvcs/Event_Service_Constants.h"
ACE_RCSID(EC_Examples, Supplier, "$Id$");
extern "C"
int
createSupplier (int argc, char* argv[])
{
Supplier supplier;
return supplier.run (argc, argv);
}
Supplier::Supplier (void)
{
}
int
Supplier::run (int argc, char* argv[])
{
// int register_with_object_manager = 0;
// if (TAO_Singleton_Manager::instance ()->init (
// register_with_object_manager) == -1)
// ACE_ERROR_RETURN ((LM_ERROR,
// "Supplier::init -- ORB pre-initialization "
// "failed.\n"),
// -1); // No exceptions available yet, so return
// // an error status.
ACE_DECLARE_NEW_CORBA_ENV;
ACE_TRY
{
// Initialize the ORB.
CORBA::ORB_var orb = CORBA::ORB_init (argc,
argv,
"Consumer"
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
CORBA::Object_var object =
orb->resolve_initial_references ("RootPOA" ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
PortableServer::POA_var poa =
PortableServer::POA::_narrow (object.in () ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
PortableServer::POAManager_var poa_manager =
poa->the_POAManager (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
poa_manager->activate (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
TAO_Naming_Client naming_client;
// Initialization of the naming service.
if (naming_client.init (orb.in ()) != 0)
ACE_ERROR_RETURN ((LM_ERROR,
"(%P|%t) Unable to initialize "
"the TAO_Naming_Client. \n"),
-1);
CosNaming::Name ec_name (1);
ec_name.length (1);
ec_name[0].id = CORBA::string_dup ("EventChannel");
CORBA::Object_var ec_obj =
naming_client->resolve (ec_name
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
RtecEventChannelAdmin::EventChannel_var event_channel =
RtecEventChannelAdmin::EventChannel::_narrow (ec_obj.in ()
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// The canonical protocol to connect to the EC
RtecEventChannelAdmin::SupplierAdmin_var supplier_admin =
event_channel->for_suppliers (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
RtecEventChannelAdmin::ProxyPushConsumer_var consumer =
supplier_admin->obtain_push_consumer (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
RtecEventComm::PushSupplier_var supplier =
this->_this (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
// Simple publication, but usually the helper classes in
// $TAO_ROOT/orbsvcs/Event_Utils.h are a better way to do this.
RtecEventChannelAdmin::SupplierQOS qos;
qos.publications.length (1);
RtecEventComm::EventHeader& h0 =
qos.publications[0].event.header;
h0.type = ACE_ES_EVENT_UNDEFINED; // first free event type
h0.source = 1; // first free event source
consumer->connect_push_supplier (supplier.in (), qos
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// Push the events...
ACE_Time_Value sleep_time (0, 10000); // 10 milliseconds
RtecEventComm::EventSet event (1);
event.length (1);
event[0].header.type = ACE_ES_EVENT_UNDEFINED;
event[0].header.source = 1;
event[0].header.ttl = 1;
for (int i = 0; i != 2000; ++i)
{
consumer->push (event ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
ACE_OS::sleep (sleep_time);
}
ACE_OS::sleep (3);
naming_client->unbind (ec_name ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// Disconnect from the EC
consumer->disconnect_push_consumer (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
ACE_DEBUG ((LM_DEBUG, "Push Consumer disconnected\n"));
// Destroy the EC....
event_channel->destroy (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
ACE_DEBUG ((LM_DEBUG, "EventChannel destroyed\n"));
// Deactivate this object...
// PortableServer::ObjectId_var id =
// poa->servant_to_id (this ACE_ENV_ARG_PARAMETER);
// ACE_TRY_CHECK;
// poa->deactivate_object (id.in () ACE_ENV_ARG_PARAMETER);
// ACE_TRY_CHECK;
// // Destroy the POA
// poa->destroy (1, 0 ACE_ENV_ARG_PARAMETER);
// ACE_TRY_CHECK;
}
ACE_CATCHANY
{
ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, "Supplier::run");
return 1;
}
ACE_ENDTRY;
// if (TAO_Singleton_Manager::instance ()->fini () == -1)
// ACE_ERROR_RETURN ((LM_ERROR,
// "Supplier::fini -- ORB pre-termination failed."),
// -1);
ACE_DEBUG ((LM_DEBUG, "Supplier exiting...\n"));
return 0;
}
void
Supplier::disconnect_push_supplier (ACE_ENV_SINGLE_ARG_DECL_NOT_USED)
ACE_THROW_SPEC ((CORBA::SystemException))
{
}
#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
#elif defined(ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
|
