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
|
// $Id$
#include "Supplier.h"
#include "orbsvcs/RtecEventChannelAdminC.h"
#include "orbsvcs/Event_Service_Constants.h"
#include "orbsvcs/CosNamingC.h"
#include "ace/OS_NS_unistd.h"
#include "ace/Argv_Type_Converter.h"
ACE_RCSID (EC_Examples,
Supplier,
"$Id$")
int
ACE_TMAIN (int argc, ACE_TCHAR* argv[])
{
ACE_Argv_Type_Converter convert (argc, argv);
Supplier supplier;
return supplier.run (convert.get_argc(), convert.get_ASCII_argv());
}
// ****************************************************************
Supplier::Supplier (void)
{
}
int
Supplier::run (int argc, char* argv[])
{
ACE_DECLARE_NEW_CORBA_ENV;
ACE_TRY
{
// ORB initialization boiler plate...
CORBA::ORB_var orb =
CORBA::ORB_init (argc, argv, "" 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;
// Obtain the event channel from the naming service
CORBA::Object_var naming_obj =
orb->resolve_initial_references ("NameService" ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
if (CORBA::is_nil (naming_obj.in ()))
ACE_ERROR_RETURN ((LM_ERROR,
" (%P|%t) Unable to get the Naming Service.\n"),
1);
CosNaming::NamingContext_var naming_context =
CosNaming::NamingContext::_narrow (naming_obj.in () ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
CosNaming::Name name (1);
name.length (1);
name[0].id = CORBA::string_dup ("EventService");
CORBA::Object_var ec_obj =
naming_context->resolve (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);
}
// Disconnect from the EC
consumer->disconnect_push_consumer (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
// Destroy the EC....
event_channel->destroy (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
// 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;
return 0;
}
void
Supplier::disconnect_push_supplier (ACE_ENV_SINGLE_ARG_DECL_NOT_USED)
ACE_THROW_SPEC ((CORBA::SystemException))
{
}
|
