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
|
//=============================================================================
/**
* @file POA_BiDir.cpp
*
* This program is an extension of $TAO_ROOT/example/POA/NewPOA. In
* the many POA's created this example adds a BiDirGIOP policy to
* one of the POA's.
*
*
* @author Balachandran Natarajan <bala@cs.wustl.edu>
*/
//=============================================================================
#include "tao/PortableServer/PortableServer.h"
#include "tao/BiDir_GIOP/BiDirGIOP.h"
#include "tao/AnyTypeCode/Any.h"
#include "tao/ORB.h"
#include "ace/SString.h"
void
print_poa (PortableServer::POA_ptr poa)
{
CORBA::String_var poa_name =
poa->the_name ();
CORBA::OctetSeq_var poa_id =
poa->id ();
ACE_DEBUG ((LM_DEBUG,
"POA name = %C\n",
poa_name.in ()));
ACE_DEBUG ((LM_DEBUG,
"POA id = "));
for (CORBA::ULong i = 0;
i != poa_id->length ();
++i)
{
ACE_DEBUG ((LM_DEBUG,
"%o",
poa_id[i]));
}
ACE_DEBUG ((LM_DEBUG,
"\n"));
PortableServer::POAList_var children =
poa->the_children ();
for (CORBA::ULong index = 0;
index != children->length ();
++index)
{
print_poa (children[index]);
}
}
int
ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
try
{
// The first step Initialize the ORB
CORBA::ORB_var orb = CORBA::ORB_init (argc, argv);
// Obtain the RootPOA.
CORBA::Object_var obj =
orb->resolve_initial_references ("RootPOA");
// _narrow() the Object to get the POA object, i.e., the root_poa.
PortableServer::POA_var root_poa =
PortableServer::POA::_narrow (obj.in ());
// Policies for the new POAs
CORBA::PolicyList policies (2);
policies.length (2);
// Threading policy
policies[0] =
root_poa->create_thread_policy (PortableServer::ORB_CTRL_MODEL);
// Lifespan policy
policies[1] =
root_poa->create_lifespan_policy (PortableServer::TRANSIENT);
// Creation of the firstPOA
ACE_CString name = "firstPOA";
PortableServer::POA_var first_poa =
root_poa->create_POA (name.c_str (),
PortableServer::POAManager::_nil (),
policies);
// Creation of the new POA, i.e. firstPOA/secondPOA
name = "secondPOA";
PortableServer::POA_var second_poa =
first_poa->create_POA (name.c_str (),
PortableServer::POAManager::_nil (),
policies);
// Creation of the new POAs over, so destroy the Policy_ptr's.
for (CORBA::ULong i = 0;
i < policies.length ();
++i)
{
CORBA::Policy_ptr policy = policies[i];
policy->destroy ();
}
CORBA::Any pol;
pol <<= BiDirPolicy::BOTH;
CORBA::PolicyList bidir_policy (1);
bidir_policy.length (1);
bidir_policy[0] =
orb->create_policy (BiDirPolicy::BIDIRECTIONAL_POLICY_TYPE,
pol);
// Creating thirdPOA.
name = "thirdPOA";
PortableServer::POA_var third_poa =
root_poa->create_POA (name.c_str (),
PortableServer::POAManager::_nil (),
bidir_policy);
// Creation of childPOA is over. Destroy the Policy objects.
for (CORBA::ULong k = 0;
k < bidir_policy.length ();
++k)
{
bidir_policy[k]->destroy ();
}
// Get the names of all the POAs and print them out.
CORBA::String_var root_poa_name =
root_poa->the_name ();
CORBA::String_var first_poa_name =
first_poa->the_name ();
CORBA::String_var second_poa_name =
second_poa->the_name ();
CORBA::String_var third_poa_name =
third_poa->the_name ();
ACE_DEBUG ((LM_DEBUG,
"%C\n%C\n%C\n%C\n",
root_poa_name.in (),
first_poa_name.in (),
second_poa_name.in (),
third_poa_name.in ()));
print_poa (root_poa.in ());
orb->destroy ();
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception ("Exception caught in main ");
return -1;
}
return 0;
}
|
