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
|
/**
* @author Manuel Traut <manut@mecka.net>
* @licence GPLv2
*/
#include <iostream>
#include "distrio_helper.h"
int init_corba (int argc, char **argv)
{
int ret = 0;
CORBA::Object_var obj, root_poa, naming_service, manager_obj;
CosNaming::Name name;
try {
ref.orb = CORBA::ORB_init (argc, argv);
root_poa = ref.orb->resolve_initial_references ("RootPOA");
ref.poa = PortableServer::POA::_narrow (root_poa.in ());
naming_service = ref.orb->resolve_initial_references ("NameService");
if (CORBA::is_nil (naming_service)) {
std::cerr << "can't resolve NameService" << std::endl;
ret = -EINVAL;
goto out;
}
ref.nc = CosNaming::NamingContext::_narrow (naming_service.in ());
if (CORBA::is_nil (ref.nc)) {
std::cerr << "resolved invalid NameService object" << std::endl;
ret = -EINVAL;
goto out;
}
name.length (1);
name[0].id = CORBA::string_dup ("distrio_manager");
name[0].kind = CORBA::string_dup ("");
manager_obj = ref.nc->resolve (name);
if (CORBA::is_nil (manager_obj)) {
std::cerr << "can't resolve distrio_manager @naming service" << std::endl;
ret = -EINVAL;
goto out;
}
ref.manager = Distrio::Manager::_narrow (manager_obj);
if (CORBA::is_nil (ref.manager)) {
std::cerr << "resolved invalid distrio_manager object" << std::endl;
ret = -EINVAL;
goto out;
}
} catch (CORBA::Exception &e) {
std::cerr << "CORBA initialization failed: " << e << std::endl;
ret = -EINVAL;
goto out;
}
ref.init = ORB_INIT;
out:
return ret;
}
int register_digital (std::string _name, Distrio_Digital_i *digital)
{
CosNaming::Name name;
CORBA::Object_var obj, manager_obj;
PortableServer::ObjectId_var oid;
Distrio::Digital_ptr ptr;
Distrio::Error *e;
if (ref.init != ORB_RUNNING) {
std::cerr << "corba not initialized" << std::endl;
return -1;
}
try {
oid = ref.poa->activate_object (digital);
obj = digital->_this ();
name.length (1);
name[0].id = CORBA::string_dup (_name.c_str ());
name[0].kind = CORBA::string_dup ("digital_io");
ref.nc->rebind (name, obj.in ());
} catch (CORBA::Exception &e) {
std::cerr << "CORBA bind digital io at naming service failed: "
<< e << std::endl;
return -1;
}
try {
ptr = Distrio::Digital::_narrow (obj);
e = ref.manager->register_io_digital (ptr);
std::cout << e->description << std::endl;
free (e);
} catch (CORBA::Exception &_e) {
std::cerr << "CORBA register digital io at distrio manager failed: "
<< _e << std::endl;
return -1;
}
return 0;
}
int register_device (std::string _name, Distrio_Device_i *dev)
{
CosNaming::Name name;
CORBA::Object_var obj, manager_obj;
PortableServer::ObjectId_var oid;
Distrio::Device_ptr ptr;
Distrio::Error *e;
if (ref.init != ORB_RUNNING) {
std::cerr << "corba not initialized" << std::endl;
return -1;
}
try {
oid = ref.poa->activate_object (dev);
obj = dev->_this ();
name.length (1);
name[0].id = CORBA::string_dup (_name.c_str ());
name[0].kind = CORBA::string_dup ("devices");
ref.nc->rebind (name, obj.in ());
} catch (CORBA::Exception &e) {
std::cerr << "CORBA bind digital io at naming service failed: "
<< e << std::endl;
return -1;
}
try {
ptr = Distrio::Device::_narrow (obj);
e = ref.manager->register_io_device (ptr);
std::cout << e->description << std::endl;
free (e);
} catch (CORBA::Exception &_e) {
std::cerr << "CORBA register device at distrio manager failed: "
<< _e << std::endl;
return -1;
}
return 0;
}
pthread_t orb_thread;
void *orb_runner (void *args)
{
try {
ref.poa_mgr = ref.poa->the_POAManager ();
ref.poa_mgr->activate ();
ref.orb->run ();
ref.orb->destroy ();
} catch (CORBA::Exception &e) {
std::cerr << "run CORBA orb failed: " << e << std::endl;
}
}
int run_orb ()
{
if (ref.init != ORB_INIT) {
std::cerr << "corba not initialized or orb already running" << std::endl;
return -1;
}
if (pthread_create (&orb_thread, NULL, orb_runner, NULL)) {
std::cerr << "create thread for corba orb failed" << std::endl;
return -1;
}
ref.init = ORB_RUNNING;
return 0;
}
|