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
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
|
#ifndef SIMPLE_UTIL_C
#define SIMPLE_UTIL_C
#include "Simple_util.h"
#include "tao/IORTable/IORTable.h"
#include "tao/debug.h"
#include "ace/OS_NS_stdio.h"
#include "ace/OS_NS_unistd.h"
#include "ace/OS_NS_string.h"
#include "ace/OS_NS_fcntl.h"
// Constructor.
template <class Servant>
Server<Servant>::Server (void)
: servant_ (0)
, ior_output_file_ (0)
, ins_ (0)
{
Servant *tmp = 0;
ACE_NEW_THROW_EX (tmp,
Servant (),
CORBA::NO_MEMORY ());
this->servant_ = tmp;
}
// Destructor.
template <class Servant>
Server<Servant>::~Server (void)
{
}
// Parse the command-line arguments and set options.
template <class Servant> int
Server<Servant>::parse_args (void)
{
ACE_Get_Opt get_opts (this->argc_, this->argv_,
ACE_TEXT ("do:i:"), 1, 0,
ACE_Get_Opt::REQUIRE_ORDER);
int c = 0;
while ((c = get_opts ()) != -1)
switch (c)
{
case 'd': // debug flag.
TAO_debug_level++;
break;
case 'o': // output the IOR to a file.
this->ior_output_file_ = get_opts.opt_arg ();
break;
case 'i': // For Testing the InterOperable Naming Service.
this->ins_ = get_opts.opt_arg ();
break;
}
// Indicates successful parsing of command line.
return 0;
}
// Add the ObjectID:IOR mapping to the IOR table of
// the ORB. Ignore this method if you are not testing for
// the InterOperable Naming Service.
template <class Servant> int
Server<Servant>::test_for_ins (const char *ior)
{
CORBA::ORB_var orb = this->orb_manager_.orb ();
if (TAO_debug_level > 0)
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("Adding (KEY:IOR) %s:%C\n"),
this->ins_,
ior));
try
{
CORBA::Object_var table_object =
orb->resolve_initial_references ("IORTable");
IORTable::Table_var adapter =
IORTable::Table::_narrow (table_object.in ());
if (CORBA::is_nil (adapter.in ()))
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("Nil IORTable\n")),
-1);
}
adapter->bind (ACE_TEXT_ALWAYS_CHAR (this->ins_), ior);
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception ("ERROR: test_for_ins failed\n");
return -1;
}
return 0;
}
// Initialize the server.
template <class Servant> int
Server<Servant>::init (const char *servant_name,
int argc,
ACE_TCHAR *argv[])
{
// Call the init of <TAO_ORB_Manager> to initialize the ORB and
// create a child POA under the root POA.
if (this->orb_manager_.init_child_poa (argc,
argv,
"child_poa") == -1)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("%p\n"),
ACE_TEXT ("init_child_poa")),
-1);
this->argc_ = argc;
this->argv_ = argv;
int retval = this->parse_args ();
if (retval != 0)
return retval;
CORBA::ORB_var orb = this->orb_manager_.orb ();
// Stash our ORB pointer for later reference.
this->servant_->orb (orb.in ());
// Activate the servant in its own child POA.
// Make sure that you check for failures here via the try?!
try
{
CORBA::String_var str =
this->orb_manager_.activate_under_child_poa (servant_name,
this->servant_.in ());
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("The IOR is: <%C>\n"),
str.in ()));
if (this->ins_ && this->test_for_ins (str.in ()) != 0)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("test_for_ins (): failed\n")),
-1);
if (this->ior_output_file_)
{
FILE *fh = ACE_OS::fopen (this->ior_output_file_, "w");
if (fh == 0)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("Unable to open %s for writing (%p)\n"),
this->ior_output_file_,
ACE_TEXT ("fopen")),
-1);
ACE_OS::fprintf (fh, "%s", str.in ());
ACE_OS::fclose (fh);
}
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception ("\tException in activation of POA");
return -1;
}
return 0;
}
template <class Servant>int
Server<Servant>::run (void)
{
// Run the main event loop for the ORB.
if (this->orb_manager_.run () == -1)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("Server_i::run")),
-1);
return 0;
}
// Constructor.
template <class ServerInterface>
Client<ServerInterface>::Client (void)
: ior_ ("")
, do_shutdown_ (0)
{
//no-op
}
// Reads the Server ior from a file
template <class ServerInterface> int
Client<ServerInterface>::read_ior (ACE_TCHAR *filename)
{
// Open the file for reading.
ACE_HANDLE f_handle = ACE_OS::open (filename, 0);
if (f_handle == ACE_INVALID_HANDLE)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("Unable to open %s for writing (%p)\n"),
filename,
ACE_TEXT ("open")),
-1);
ACE_Read_Buffer ior_buffer (f_handle);
char *data = ior_buffer.read ();
if (data == 0)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("Unable to read ior (%p)\n"),
ACE_TEXT ("read")),
-1);
this->ior_ = data;
ior_buffer.alloc ()->free (data);
ACE_OS::close (f_handle);
return 0;
}
// Parses the command line arguments and returns an error status.
template <class ServerInterface> int
Client<ServerInterface>::parse_args (void)
{
ACE_Get_Opt get_opts (argc_, argv_,
ACE_TEXT ("df:nk:x"), 1, 0,
ACE_Get_Opt::REQUIRE_ORDER);
int c = 0;
int result = 0;
while ((c = get_opts ()) != -1)
switch (c)
{
case 'd': // debug flag
TAO_debug_level++;
break;
case 'k': // ior provide on command line
this->ior_ = ACE_TEXT_ALWAYS_CHAR(get_opts.opt_arg ());
break;
case 'f': // read the IOR from the file.
result = this->read_ior (get_opts.opt_arg ());
if (result < 0)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("Unable to read ior from %s (%p)\n"),
get_opts.opt_arg (),
ACE_TEXT ("read_ior")),
-1);
break;
case 'x': // read the flag for shutting down
this->do_shutdown_ = 1;
break;
case 'h': // display help for use of the client.
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("usage: %s")
ACE_TEXT (" [-d (debug)]")
ACE_TEXT (" [-k] <ior>")
ACE_TEXT (" [-f] <ior_output_file>")
ACE_TEXT (" [-x (shutdown server)]")
ACE_TEXT (" [-h (help)]")
ACE_TEXT ("\n"),
this->argv_ [0]),
-1);
}
// Indicates successful parsing of command line.
return 0;
}
template <class ServerInterface>
Client<ServerInterface>::~Client (void)
{
this->orb_->destroy ();
}
template <class ServerInterface> int
Client<ServerInterface>::init (const char *,
int argc,
ACE_TCHAR **argv)
{
this->argc_ = argc;
this->argv_ = argv;
try
{
// Retrieve the ORB.
this->orb_ = CORBA::ORB_init (this->argc_, this->argv_);
// Parse command line and verify parameters.
if (this->parse_args () == -1)
return -1;
if (this->ior_.length () != 0)
{
CORBA::Object_var server_object =
this->orb_->string_to_object (this->ior_.c_str ());
if (CORBA::is_nil (server_object.in ()))
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("invalid ior <%C>\n"),
this->ior_.c_str ()),
-1);
this->server_ = ServerInterface::_narrow (server_object.in ());
if (CORBA::is_nil (this->server_.in ()))
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("Nil Server\n")),
-1);
}
}
else
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("no ior or naming options specified\n")),
-1);
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception ("Client_i::init");
return -1;
}
return 0;
}
template <class ServerInterface> int
Client<ServerInterface>::do_shutdown (void)
{
// Returns the shutdwon flag
return this->do_shutdown_;
}
template <class ServerInterface> void
Client<ServerInterface>::do_shutdown (int flag)
{
// Fills the flag
this->do_shutdown_ = flag;
}
#endif /* SIMPLE_UTIL_C */
|