summaryrefslogtreecommitdiff
path: root/TAO/tao/CORBANAME_Parser.cpp
blob: a9cbe0039a82fb8cdecd7d752b554997565cd78b (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
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
// $Id$

#include "CORBANAME_Parser.h"
#include "Invocation.h"
#include "Stub.h"
#include "debug.h"

#if !defined(__ACE_INLINE__)
#include "CORBANAME_Parser.i"
#endif /* __ACE_INLINE__ */

ACE_RCSID(tao, CORBANAME_Parser, "$Id$")

TAO_CORBANAME_Parser::~TAO_CORBANAME_Parser (void)
{
}

static const char corbaname_prefix[] = "corbaname:";

int
TAO_CORBANAME_Parser::match_prefix (const char *ior_string) const
{
  return (ACE_OS::strncmp (ior_string,
                           corbaname_prefix,
                           sizeof corbaname_prefix - 1) == 0);
}

CORBA::Object_ptr
TAO_CORBANAME_Parser::
parse_string_dynamic_request_helper (CORBA::Object_ptr naming_context,
                                     ACE_CString &key_string
                                     ACE_ENV_ARG_DECL)
  ACE_THROW_SPEC ((CORBA::SystemException))
{
  CORBA::Object_ptr _tao_retval = CORBA::Object::_nil ();

  CORBA::Object_var _tao_safe_retval (_tao_retval);

  TAO_Stub *istub = naming_context->_stubobj ();
  if (istub == 0)
    ACE_THROW_RETURN (CORBA::INTERNAL (), 0);

  TAO_GIOP_Twoway_Invocation _tao_call (
      istub,
      "resolve_str",
      11,
      1,
      istub->orb_core ()
    );

  for (;;)
    {
      _tao_call.start (ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_CHECK_RETURN (CORBA::Object::_nil ());

      CORBA::Short _tao_response_flag = TAO_TWOWAY_RESPONSE_FLAG;

      _tao_call.prepare_header (
          ACE_static_cast (CORBA::Octet, _tao_response_flag)
           ACE_ENV_ARG_PARAMETER
        );
      ACE_CHECK_RETURN (CORBA::Object::_nil ());

      TAO_OutputCDR &_tao_out = _tao_call.out_stream ();
      if (!(
            (_tao_out << key_string.c_str ())
          ))
        ACE_THROW_RETURN (
            CORBA::MARSHAL (TAO_DEFAULT_MINOR_CODE, CORBA::COMPLETED_NO),
            CORBA::Object::_nil ()
          );

      int _invoke_status = 0;
      ACE_TRY
        {
          _invoke_status = _tao_call.invoke (0, 0 ACE_ENV_ARG_PARAMETER);
          ACE_TRY_CHECK (CORBA::Object::_nil ());
        }
      ACE_CATCH (CORBA::UNKNOWN, ex)
        {
          ACE_UNUSED_ARG (ex);

          ACE_THROW_RETURN (
              CORBA::BAD_PARAM (TAO_OMG_VMCID | 10,
                                CORBA::COMPLETED_YES),
              CORBA::Object::_nil ()
            );
        }
      ACE_ENDTRY;
      ACE_CHECK_RETURN (CORBA::Object::_nil ());

      if (_invoke_status == TAO_INVOKE_RESTART)
        {
          _tao_call.restart_flag (1);
          continue;
        }
      if (_invoke_status != TAO_INVOKE_OK)
        {
          // @@ Is there any way we can reach this point?  Any
          //    USER_EXCEPTION response will be caught by the UNKNOWN
          //    catch block above.  Any SYSTEM_EXCEPTION response will
          //    be simply raised, and any RESTART is handled
          //    already...  leave this here "just in case".
          ACE_THROW_RETURN (
              CORBA::BAD_PARAM (TAO_OMG_VMCID | 10,
                                CORBA::COMPLETED_YES),
              CORBA::Object::_nil ()
            );
        }
      TAO_InputCDR &_tao_in = _tao_call.inp_stream ();
      if (!(
            (_tao_in >> _tao_safe_retval.inout ())
          ))
        {
          ACE_THROW_RETURN (
              CORBA::MARSHAL (TAO_DEFAULT_MINOR_CODE, CORBA::COMPLETED_YES),
              CORBA::Object::_nil ()
            );
        }
      break;
    }

  return _tao_safe_retval._retn ();
}

CORBA::Object_ptr
TAO_CORBANAME_Parser::parse_string (const char *ior,
                                    CORBA::ORB_ptr orb
                                    ACE_ENV_ARG_DECL)
  ACE_THROW_SPEC ((CORBA::SystemException))
{

  // Skip the prefix, we know it is there because this method in only
  // called if <match_prefix> returns 1.
  const char *corbaname =
    ior + sizeof corbaname_prefix - 1;

  CORBA::Object_ptr obj = CORBA::Object::_nil ();

  ACE_TRY
    {
      char rir_prot [] = "rir:";

      // The position of the seperator between the obj_addr and key
      // string
      CORBA::ULong pos_seperator = 0;

      ACE_CString corbaname_str (corbaname, 0, 1);

      pos_seperator = corbaname_str.find ("#", 0);

      // Get the Key String
      ACE_CString key_string =
        corbaname_str.substring (pos_seperator + 1,
                                 -1);

      // Make it in a form understandable by <corbaloc> scheme
      ACE_CString corbaloc_addr ("corbaloc:", 0, 1);

      if (ACE_OS::strncmp (corbaname,
                           rir_prot,
                           sizeof (rir_prot)) != 0)
        {
          // Implies that <iiop:> protocol is to be used.
          // So .. we need to get the host address where an object of
          // type NamingContext can be found.
          // Get the obj_addr
          ACE_CString obj_addr = corbaname_str.substring (0,
                                                          pos_seperator);

          corbaloc_addr += obj_addr;

        }

      ACE_CString name_service ("/NameService", 0, 1);
      corbaloc_addr += name_service;

      // Obtain a reference to the naming context
      CORBA::Object_var name_context =
        orb->string_to_object (corbaloc_addr.c_str ()
                                ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      // Check if the Object reference is nil.
      if (CORBA::is_nil (name_context.in ()))
        ACE_ERROR_RETURN ((LM_ERROR,
                           "Cannot resolve Naming Service: CORBANAME_Parser\n"),
                          0);

      CORBA::Boolean is_a =
        name_context->_is_a ("IDL:omg.org/CosNaming/NamingContextExt:1.0"
                              ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      if (!is_a)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "Cannot narrow Naming Service: "
                             "CORBANAME_Parser\n"),
                            0);
        }

      // Make a dynamic request for resolve_str in this naming context
      obj = this->parse_string_dynamic_request_helper (name_context.in (),
                                                       key_string
                                                        ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;
    }
  ACE_CATCH (CORBA::SystemException, ex)
    {
      if (TAO_debug_level >= 4)
        {
          ACE_PRINT_EXCEPTION (ex, "CORBANAME_Parser");
        }
    }
  ACE_ENDTRY;
  ACE_CHECK_RETURN (CORBA::Object::_nil ());

  return obj;
}

ACE_STATIC_SVC_DEFINE (TAO_CORBANAME_Parser,
                       ACE_TEXT ("CORBANAME_Parser"),
                       ACE_SVC_OBJ_T,
                       &ACE_SVC_NAME (TAO_CORBANAME_Parser),
                       ACE_Service_Type::DELETE_THIS |
                                  ACE_Service_Type::DELETE_OBJ,
                       0)

ACE_FACTORY_DEFINE (TAO, TAO_CORBANAME_Parser)

#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)

#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)

#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */