summaryrefslogtreecommitdiff
path: root/TAO/orbsvcs/examples/RtEC/IIOPGateway/Gateway.cpp
blob: 11a219fd352fcabf5460678f5d889e0908f43c4c (plain)
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
// $Id$

#include "Gateway.h"
#include "orbsvcs/RtecEventChannelAdminC.h"
#include "orbsvcs/Event_Service_Constants.h"
#include "orbsvcs/CosNamingC.h"
#include "orbsvcs/Event/EC_Gateway_IIOP.h"
#include "orbsvcs/Event/EC_Gateway_IIOP_Factory.h"
#include "ace/Arg_Shifter.h"
#include "ace/Dynamic_Service.h"

ACE_RCSID (EC_Examples, 
           Supplier, 
           "$Id$")

static const char* supplierec = 0;
static const char* consumerec = 0;

int
main (int argc, char* argv[])
{
  Gateway gateway;

  return gateway.run (argc, argv);
}

// ****************************************************************

Gateway::Gateway (void)
{
}

int
Gateway::run (int argc, char* argv[])
{
  TAO_EC_Gateway_IIOP_Factory::init_svcs ();

  ACE_DECLARE_NEW_CORBA_ENV;
  ACE_TRY
    {
      // First parse our command line options
      if (this->parse_args(argc, argv) != 0)
      {
         return -1;
      }

      // 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 supplierecname (1);
      supplierecname.length (1);
      supplierecname[0].id = CORBA::string_dup (supplierec);

      CORBA::Object_var supplierec_obj =
        naming_context->resolve (supplierecname ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      CosNaming::Name consumerecname (1);
      consumerecname.length (1);
      consumerecname[0].id = CORBA::string_dup (consumerec);

      CORBA::Object_var consumerec_obj =
        naming_context->resolve (consumerecname ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      RtecEventChannelAdmin::EventChannel_var supplier_event_channel =
        RtecEventChannelAdmin::EventChannel::_narrow (supplierec_obj.in ()
                                                      ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      if (CORBA::is_nil (supplier_event_channel.in ()))
        ACE_ERROR_RETURN ((LM_ERROR,
                           " (%P|%t) Unable to get the supplier event channel.\n"),
                          1);

      RtecEventChannelAdmin::EventChannel_var consumer_event_channel =
        RtecEventChannelAdmin::EventChannel::_narrow (consumerec_obj.in ()
                                                      ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      if (CORBA::is_nil (consumer_event_channel.in ()))
        ACE_ERROR_RETURN ((LM_ERROR,
                           " (%P|%t) Unable to get the consumer event channel.\n"),
                          1);

      TAO_EC_Gateway_IIOP gateway;

      gateway.init(supplier_event_channel.in(), consumer_event_channel.in() ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      PortableServer::ObjectId_var gateway_oid =
         poa->activate_object(&gateway ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      CORBA::Object_var gateway_obj =
         poa->id_to_reference(gateway_oid.in() ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

       RtecEventChannelAdmin::Observer_var obs =
         RtecEventChannelAdmin::Observer::_narrow(gateway_obj.in() ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

       RtecEventChannelAdmin::Observer_Handle local_ec_obs_handle =
         consumer_event_channel->append_observer (obs.in () ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      // Wait for events, using work_pending()/perform_work() may help
      // or using another thread, this example is too simple for that.
      orb->run ();

      consumer_event_channel->remove_observer (local_ec_obs_handle
                                               ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      poa->deactivate_object (gateway_oid.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, "Gateway::run");
      return 1;
    }
  ACE_ENDTRY;

  return 0;
}

int
Gateway::parse_args (int argc, char *argv[])
{
  ACE_Arg_Shifter arg_shifter (argc, argv);

  while (arg_shifter.is_anything_left ())
    {
      const char *arg = arg_shifter.get_current ();

      if (ACE_OS::strcmp (arg, "-s") == 0)
        {
          arg_shifter.consume_arg ();
          supplierec = arg_shifter.get_current ();
        }
      if (ACE_OS::strcmp (arg, "-c") == 0)
        {
          arg_shifter.consume_arg ();
          consumerec = arg_shifter.get_current ();
        }

      arg_shifter.ignore_arg ();
    }
  // Indicates sucessful parsing of the command line
  return 0;
}

// ****************************************************************

#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
#elif defined(ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */