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
|
// $Id$
#include "server_interceptor.h"
#include "tao/OctetSeqC.h"
#include "ace/Log_Msg.h"
#include "tao/ORB_Constants.h"
#include "ace/OS_NS_string.h"
ACE_RCSID (Bug_1559,
server_interceptor,
"$Id$")
const IOP::ServiceId service_id = 0xdeadbeef;
const char *request_msg = "REQUEST message";
const char *reply_msg = "REPLY message";
const char *forward_msg = "FORWARD message";
int send_request_count = 0;
int exception_count = 0;
Echo_Server_Request_Interceptor::Echo_Server_Request_Interceptor (void)
: myname_ ("Echo_Server_Interceptor")
{
}
Echo_Server_Request_Interceptor::Echo_Server_Request_Interceptor (CORBA::Object_ptr forward_location)
: myname_ ("Echo_Server_Interceptor"),
forward_location_ (CORBA::Object::_duplicate (forward_location))
{
}
Echo_Server_Request_Interceptor::~Echo_Server_Request_Interceptor (void)
{
}
void
Echo_Server_Request_Interceptor::forward_reference (CORBA::Object_ptr forward_location
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException))
{
if (CORBA::is_nil (forward_location))
ACE_THROW (CORBA::INV_OBJREF (
CORBA::SystemException::_tao_minor_code (
TAO::VMCID,
EINVAL),
CORBA::COMPLETED_NO));
this->forward_location_ = CORBA::Object::_duplicate (forward_location);
}
char *
Echo_Server_Request_Interceptor::name (ACE_ENV_SINGLE_ARG_DECL_NOT_USED)
ACE_THROW_SPEC ((CORBA::SystemException))
{
return CORBA::string_dup (this->myname_);
}
void
Echo_Server_Request_Interceptor::destroy (ACE_ENV_SINGLE_ARG_DECL_NOT_USED)
ACE_THROW_SPEC ((CORBA::SystemException))
{
}
void
Echo_Server_Request_Interceptor::receive_request_service_contexts (
PortableInterceptor::ServerRequestInfo_ptr ri
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
PortableInterceptor::ForwardRequest))
{
CORBA::String_var operation = ri->operation (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
ACE_DEBUG ((LM_DEBUG,
"%s.receive_request_service_contexts from "
"\"%s\"\n",
this->myname_,
operation.in ()));
// Ignore the "_is_a" operation since it may have been invoked
// locally on the server side as a side effect of another call,
// meaning that the client hasn't added the service context yet.
// Same goes for the shutdown call
if (ACE_OS_String::strcmp ("shutdown", operation.in ()) == 0)
return;
IOP::ServiceId id = ::service_id;
IOP::ServiceContext_var sc =
ri->get_request_service_context (id ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
const char *buf =
reinterpret_cast<const char *> (sc->context_data.get_buffer ());
ACE_DEBUG ((LM_DEBUG,
" Received service context: %s\n",
buf));
if (ACE_OS::strcmp (buf, request_msg) == 0)
{
ACE_DEBUG ((LM_DEBUG, "Sending LOCATION_FORWARD\n"));
ACE_THROW (PortableInterceptor::ForwardRequest (this->forward_location_));
}
else if (ACE_OS::strcmp (buf, forward_msg) == 0)
{
// Make the context to send the context to the client
IOP::ServiceContext scc;
scc.context_id = ::service_id;
CORBA::ULong string_len = ACE_OS::strlen (reply_msg) + 1;
CORBA::Octet *buff = CORBA::OctetSeq::allocbuf (string_len);
ACE_OS::strcpy (reinterpret_cast<char *> (buff), reply_msg);
scc.context_data.replace (string_len, string_len, buff, 1);
// Add this context to the service context list.
ri->add_reply_service_context (scc, 0 ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
}
else
{
ACE_ERROR ((LM_ERROR,
"ERROR: Echo_Server_Request_Interceptor::receive_request_service_contexts: "
"Expected request service context to be: %s or %s\n",
request_msg,
forward_msg));
}
}
void
Echo_Server_Request_Interceptor::receive_request (
PortableInterceptor::ServerRequestInfo_ptr
ACE_ENV_ARG_DECL_NOT_USED)
ACE_THROW_SPEC ((CORBA::SystemException,
PortableInterceptor::ForwardRequest))
{
// Do nothing
}
void
Echo_Server_Request_Interceptor::send_reply (
PortableInterceptor::ServerRequestInfo_ptr ri
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException))
{
CORBA::String_var operation = ri->operation (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
ACE_DEBUG ((LM_DEBUG,
"%s.send_reply from \"%s\"\n",
this->myname_,
operation.in ()));
// Check that the reply service context is set as expected.
IOP::ServiceContext_var sc =
ri->get_reply_service_context (::service_id ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
const char *buf = reinterpret_cast<const char *> (sc->context_data.get_buffer ());
ACE_DEBUG ((LM_DEBUG,
" Reply service context: %s\n",
buf));
if (ACE_OS::strcmp (buf, reply_msg) != 0)
{
ACE_ERROR ((LM_ERROR,
"ERROR: Echo_Server_Request_Interceptor::send_reply: "
"Expected reply service context to be: %s\n",
reply_msg));
}
// Check that the request service context hasn't been changed.
IOP::ServiceContext_var sc2 =
ri->get_request_service_context (::service_id ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
const char *buf2 = reinterpret_cast<const char *> (sc2->context_data.get_buffer ());
if (ACE_OS::strcmp (buf2, forward_msg) != 0)
{
ACE_ERROR ((LM_ERROR,
"ERROR: Echo_Server_Request_Interceptor::send_reply: "
"Expected request service context to be: %s.\n"
" Got: %s\n",
forward_msg,
buf2));
}
}
void
Echo_Server_Request_Interceptor::send_exception (
PortableInterceptor::ServerRequestInfo_ptr ri
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
PortableInterceptor::ForwardRequest))
{
CORBA::String_var operation = ri->operation (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
ACE_DEBUG ((LM_DEBUG,
"%s.send_exception from \"%s\"\n",
this->myname_,
operation.in ()));
// Check that the reply service context is set as expected.
IOP::ServiceContext_var sc =
ri->get_reply_service_context (::service_id ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
const char *buf = reinterpret_cast<const char *> (sc->context_data.get_buffer ());
ACE_DEBUG ((LM_DEBUG,
" Reply service context: %s\n",
buf));
if (ACE_OS::strcmp (buf, reply_msg) != 0)
{
ACE_ERROR ((LM_ERROR,
"ERROR: Echo_Server_Request_Interceptor::send_exception: "
"Expected reply service context to be: %s\n",
reply_msg));
}
// Check that the request service context hasn't been changed.
IOP::ServiceContext_var sc2 =
ri->get_request_service_context (::service_id ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
const char *buf2 = reinterpret_cast<const char *> (sc2->context_data.get_buffer ());
if (ACE_OS::strcmp (buf2, forward_msg) != 0)
{
ACE_ERROR ((LM_ERROR,
"ERROR: Echo_Server_Request_Interceptor::send_exception: "
"Expected request service context to be: %s.\n"
" Got: %s\n",
forward_msg,
buf2));
}
}
void
Echo_Server_Request_Interceptor::send_other (
PortableInterceptor::ServerRequestInfo_ptr ri
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
PortableInterceptor::ForwardRequest))
{
CORBA::String_var operation = ri->operation (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
ACE_DEBUG ((LM_DEBUG,
"%s.send_other from \"%s\"\n",
this->myname_,
operation.in ()));
// Check that the request service context hasn't been changed.
IOP::ServiceContext_var sc =
ri->get_request_service_context (::service_id ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
const char *buf = reinterpret_cast<const char *> (sc->context_data.get_buffer ());
if (ACE_OS::strcmp (buf, request_msg) != 0)
{
ACE_ERROR ((LM_ERROR,
"ERROR: Echo_Server_Request_Interceptor::send_reply: "
"Expected request service context to be: %s.\n"
" Got: %s\n",
request_msg,
buf));
}
// If we get this far then we should have received a
// LOCATION_FORWARD reply.
// This will throw an exception if a location forward has not
// occured. If an exception is thrown then something is wrong with
// the PortableInterceptor::ForwardRequest support.
CORBA::Object_var forward = ri->forward_reference (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
if (CORBA::is_nil (forward.in ()))
ACE_THROW (CORBA::INTERNAL ());
}
|
