#include <CORBALOC_Parser.h>
Inheritance diagram for TAO_CORBALOC_Parser:
Public Member Functions | |
| TAO_CORBALOC_Parser (void) | |
| Constructor. | |
| virtual | ~TAO_CORBALOC_Parser (void) |
| The destructor. | |
| virtual int | match_prefix (const char *ior_string) const |
| virtual CORBA::Object_ptr | parse_string (const char *ior, CORBA::ORB_ptr orb) throw (CORBA::SystemException) |
| Parse the ior-string that is passed. | |
Private Member Functions | |
| CORBA::Object_ptr | make_stub_from_mprofile (CORBA::ORB_ptr orb, TAO_MProfile &mprofile) throw (CORBA::SystemException) |
| CORBA::Object_ptr | parse_string_rir_helper (const char *corbaloc_name, CORBA::ORB_ptr orb) throw (CORBA::SystemException) |
| Gets the pointer to the key_string when the protocol used is RIR. | |
| void | make_canonical (const char *ior, size_t ior_len, ACE_CString &canonical_endpoint) throw (CORBA::SystemException) |
This class implements the <corbaloc:> IOR format. It is dynamically loaded by the ORB and used to parse the string to separate the individual from the list of object addresses .
Definition at line 44 of file CORBALOC_Parser.h.
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Constructor.
Definition at line 8 of file CORBALOC_Parser.i.
00009 {
00010 }
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The destructor.
Definition at line 32 of file CORBALOC_Parser.cpp.
00033 {
00034 }
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Definition at line 268 of file CORBALOC_Parser.cpp. References ACE_CString, ACE_DEBUG, ACE_TEXT, ACE_THROW, ACE_INET_Addr::get_host_name(), iiop_token, iiop_token_len, LM_DEBUG, LM_ERROR, MAXHOSTNAMELEN, ACE_OS::strchr(), ACE_OS::strncmp(), and TAO_debug_level.
00273 {
00274 const char *separator = ACE_OS::strchr (ior, ':');
00275
00276 // A special case for handling iiop
00277 if (ior[0] != ':' && ACE_OS::strncmp (ior,iiop_token,iiop_token_len) != 0)
00278 {
00279 canonical_endpoint.set (separator+1,
00280 prot_addr_len - (separator - ior) - 1,1);
00281 return;
00282 }
00283
00284 const char *addr_base = separator+1;
00285 const char *addr_tail = ior + prot_addr_len;
00286 // skip past version, if any
00287 separator = ACE_OS::strchr (addr_base,'@');
00288 if (separator != 0 && separator < addr_tail)
00289 {
00290 canonical_endpoint.set (addr_base,(separator - addr_base)+1,1);
00291 addr_base = separator + 1;
00292 }
00293 else
00294 canonical_endpoint.clear ();
00295
00296 ACE_CString raw_host;
00297 ACE_CString raw_port;
00298 separator = ACE_OS::strchr (addr_base,':');
00299 #if defined (ACE_HAS_IPV6)
00300 // IPv6 numeric address in host string?
00301
00302 // Check if this is an address containing a decimal IPv6 address representation.
00303 if (addr_base < addr_tail && addr_base[0] == '[')
00304 {
00305 // In this case we have to find the end of the numeric address and
00306 // start looking for the port separator from there.
00307 const char *cp_pos = ACE_OS::strchr(addr_base, ']');
00308 if (cp_pos == 0 || cp_pos >= addr_tail)
00309 {
00310 // No valid IPv6 address specified but that will come out later.
00311 if (TAO_debug_level > 0)
00312 {
00313 ACE_DEBUG ((LM_ERROR,
00314 ACE_TEXT ("\nTAO (%P|%t) TAO_CORBALOC_Parser: ")
00315 ACE_TEXT ("Invalid IPv6 decimal address specified.\n")));
00316 }
00317 separator = 0;
00318 }
00319 else
00320 {
00321 if (cp_pos[1] == ':') // Look for a port
00322 separator = cp_pos + 1;
00323 else
00324 separator = 0;
00325 }
00326 }
00327 #endif /* ACE_HAS_IPV6 */
00328
00329 if (separator != 0 && separator < addr_tail)
00330 {
00331 // we have a port number
00332 raw_host.set (addr_base, (separator - addr_base), 1);
00333 raw_port.set (separator, (addr_tail - separator), 1);
00334 }
00335 else
00336 {
00337 // we must default port #
00338 if (addr_base < addr_tail)
00339 raw_host.set (addr_base, (addr_tail - addr_base),1);
00340 raw_port.set (":2809");
00341 }
00342
00343 if (raw_host.length() == 0)
00344 {
00345 ACE_INET_Addr host_addr;
00346
00347 char tmp_host [MAXHOSTNAMELEN + 1];
00348
00349 // If no host is specified: assign the default host, i.e. the
00350 // local host.
00351 if (host_addr.get_host_name (tmp_host,
00352 sizeof (tmp_host)) != 0)
00353 {
00354 // Can't get the IP address since the INET_Addr wasn't
00355 // initialized. Just throw an exception.
00356
00357 if (TAO_debug_level > 0)
00358 ACE_DEBUG ((LM_DEBUG,
00359 ACE_TEXT ("TAO (%P|%t) ")
00360 ACE_TEXT ("cannot determine hostname.\n")));
00361
00362 ACE_THROW (CORBA::INV_OBJREF
00363 (CORBA::SystemException::_tao_minor_code
00364 (TAO::VMCID, EINVAL),
00365 CORBA::COMPLETED_NO));
00366 }
00367 else
00368 {
00369 canonical_endpoint += tmp_host;
00370 }
00371 }
00372 else
00373 {
00374 canonical_endpoint += raw_host;
00375 }
00376
00377 canonical_endpoint += raw_port;
00378 }
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Make a stub from the MProfile that is created in parse_string_mprofile_helper. Using this stub, create an object reference which is sent to the application. All is well, so release the stub object from its auto_ptr. Definition at line 46 of file CORBALOC_Parser.cpp. References CORBA::Object::_nil(), TAO_Pseudo_Var_T< T >::_retn(), ACE_CHECK_RETURN, ACE_ENV_ARG_PARAMETER, TAO_Pseudo_Var_T< T >::in(), CORBA::is_nil(), CORBA::Object_var, CORBA::ORB_ptr, and TAO_Stub_Auto_Ptr::release().
00050 {
00051 // Create a TAO_Stub.
00052 TAO_Stub *data = orb->orb_core ()->create_stub ((const char *) 0,
00053 mprofile
00054 ACE_ENV_ARG_PARAMETER);
00055 ACE_CHECK_RETURN (CORBA::Object::_nil ());
00056
00057 TAO_Stub_Auto_Ptr safe_data (data);
00058
00059 CORBA::Object_var obj = orb->orb_core ()->create_object (data);
00060
00061 if (!CORBA::is_nil (obj.in ()))
00062 {
00063 /// All is well, so release the stub object from its
00064 /// auto_ptr.
00065 (void) safe_data.release ();
00066
00067 /// Return the object reference to the application.
00068 return obj._retn ();
00069 }
00070
00071 /// Shouldnt come here: if so, return nil reference.
00072 return CORBA::Object::_nil ();
00073 }
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= The IOR_Parser methods, please read the documentation in IOR_Parser.h Implements TAO_IOR_Parser. Definition at line 37 of file CORBALOC_Parser.cpp. References prefix, prefix_len, and ACE_OS::strncmp().
00038 {
00039 // Check if the prefix is 'corbaloc:' and return the result.
00040 return (ACE_OS::strncmp (ior_string,
00041 prefix,
00042 prefix_len) == 0);
00043 }
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Parse the ior-string that is passed.
Implements TAO_IOR_Parser. Definition at line 98 of file CORBALOC_Parser.cpp. References CORBA::Object::_nil(), ACE_CHECK_RETURN, ACE_CString, ACE_ENV_ARG_PARAMETER, ACE_ENV_SINGLE_ARG_PARAMETER, ACE_ERROR, ACE_TEXT, ACE_TEXT_CHAR_TO_TCHAR, ACE_THROW_RETURN, TAO_Connector_Registry::begin(), TAO_Connector_Registry::end(), TAO_MProfile::give_profile(), LM_ERROR, CORBA::Object_ptr, CORBA::ORB_ptr, prefix, rir_token, rir_token_len, ACE_Array_Base< T >::size(), ACE_OS::strchr(), ACE_OS::strlen(), ACE_OS::strncmp(), TAO_ConnectorSetIterator, and TAO_debug_level.
00102 {
00103 // The decomposition of a corbaloc string is in Section 13.6.10.
00104 //
00105 // following the "corbaloc:"
00106 // a comma separated list of <prot_addr> strings
00107 // for each,
00108 // Separate out the key, delimited by '/'
00109 // Split out the various parts of our corbaloc string, comma-delimited
00110 // For each part
00111 // Determine the protocol
00112 // If rir, defer to another function and return the object
00113 // If iiop, make the profile with <endpoint>:<port>/<key>
00114 // If another protocol, use <remainder>/<key>
00115 // Search through the collection of protocols for the correct one
00116 // If not found, throw exception
00117 // If found, make our_connector from it.
00118 // our_connector->make_mprofile_unchecked (...);
00119 // object = this->make_stub_from_mprofile (...);
00120 // Return the object
00121
00122 // Skip the prefix. We know it is there because this method is only
00123 // called if match_prefix() returns 1.
00124 ior += ACE_OS::strlen(prefix);
00125
00126 // First check for rir
00127 if (ACE_OS::strncmp (ior,rir_token,rir_token_len) == 0)
00128 return this->parse_string_rir_helper (ior,orb
00129 ACE_ENV_ARG_PARAMETER);
00130
00131 // set up space for parsed endpoints. there will be at least 1, and
00132 // most likely commas will separate endpoints, although they could be
00133 // part of an endpoint address for some protocols.
00134 size_t max_endpoint_count = 1;
00135 for (const char *comma = ACE_OS::strchr (ior,',');
00136 comma;
00137 comma = ACE_OS::strchr (comma+1,','))
00138 max_endpoint_count++;
00139
00140 ACE_Array<parsed_endpoint> endpoints(max_endpoint_count);
00141 endpoints.size (0);
00142
00143 // Get the Connector Registry from the ORB.
00144 TAO_Connector_Registry *conn_reg =
00145 orb->orb_core ()->connector_registry(ACE_ENV_SINGLE_ARG_PARAMETER);
00146 ACE_CHECK_RETURN (CORBA::Object::_nil ());
00147
00148 while (1) { // will loop on comma only.
00149 size_t len = 0;
00150 size_t ndx = endpoints.size();
00151 endpoints.size(ndx+1);
00152 int uiop_compatible = 0;
00153 TAO_ConnectorSetIterator conn_iter = 0;
00154 for (conn_iter = conn_reg->begin();
00155 conn_iter != conn_reg->end() &&
00156 endpoints[ndx].profile_ == 0;
00157 conn_iter ++)
00158 {
00159 endpoints[ndx].profile_ =
00160 (*conn_iter)->corbaloc_scan(ior,len
00161 ACE_ENV_ARG_PARAMETER);
00162 ACE_CHECK_RETURN (CORBA::Object::_nil ());
00163
00164 if (endpoints[ndx].profile_)
00165 {
00166 endpoints[ndx].obj_key_sep_ =
00167 (*conn_iter)->object_key_delimiter();
00168 uiop_compatible = (endpoints[ndx].obj_key_sep_ == '|');
00169 this->make_canonical (ior,len,endpoints[ndx].prot_addr_
00170 ACE_ENV_ARG_PARAMETER);
00171 ACE_CHECK_RETURN (CORBA::Object::_nil ());
00172 ior += len;
00173 break;
00174 }
00175 }
00176
00177 if (endpoints[ndx].profile_ == 0)
00178 {
00179 if (TAO_debug_level)
00180 ACE_ERROR ((LM_ERROR,
00181 ACE_TEXT("(%P|%t) TAO_CORBALOC_Parser::parse_string ")
00182 ACE_TEXT("could not parse from %s"),
00183 ACE_TEXT_CHAR_TO_TCHAR(ior)));
00184 ACE_THROW_RETURN (CORBA::BAD_PARAM (CORBA::OMGVMCID | 10,
00185 CORBA::COMPLETED_NO),
00186 CORBA::Object::_nil ());
00187 }
00188 if (*ior == ',') // more endpoints follow
00189 {
00190 ior++;
00191 continue;
00192 }
00193
00194 if (*ior == '/') // found key separator
00195 {
00196 ior ++;
00197 break;
00198 }
00199
00200 if (*ior == '\0') // no key separator appended, use default key
00201 {
00202 break;
00203 }
00204
00205 if (uiop_compatible && *(ior - 1) == '|')
00206 // Assume this is an old uiop style corbaloc. No need to warn here,
00207 // the UIOP_Connector::corbaloc_scan already did.
00208 break;
00209
00210 // anything else is a violation.
00211 if (TAO_debug_level)
00212 ACE_ERROR ((LM_ERROR,
00213 ACE_TEXT("(%P|%t) TAO_CORBALOC_Parser::parse_string ")
00214 ACE_TEXT("could not parse from %s"),
00215 ACE_TEXT_CHAR_TO_TCHAR(ior)));
00216 ACE_THROW_RETURN (CORBA::BAD_PARAM (CORBA::OMGVMCID | 10,
00217 CORBA::COMPLETED_NO),
00218 CORBA::Object::_nil ());
00219 } // end of while
00220
00221 // At this point, ior points at the start of the object key
00222 ACE_CString obj_key (*ior ? ior : (const char *)"NameService");
00223
00224 // now take the collection of endpoints along with the decoded key and
00225 // mix them together to get the mprofile.
00226 TAO_MProfile mprofile (endpoints.size());
00227
00228 for (size_t i = 0; i < endpoints.size(); i++)
00229 {
00230 ACE_CString full_ep = endpoints[i].prot_addr_ +
00231 endpoints[i].obj_key_sep_ +
00232 obj_key;
00233 const char * str = full_ep.c_str();
00234 endpoints[i].profile_->parse_string (str ACE_ENV_ARG_PARAMETER);
00235 ACE_CHECK_RETURN (CORBA::Object::_nil ());
00236 int share = orb->orb_core()->orb_params()->shared_profile();
00237 if (mprofile.give_profile(endpoints[i].profile_, share) != -1)
00238 endpoints[i].profile_ = 0;
00239 else
00240 {
00241 // Although this ought never happen, we want to make some
00242 // indication back to the caller, more as an audit trail than
00243 // anything else. The only failure possible is that there was
00244 // insufficient heap to allocate the mprofile, hence the
00245 // mprofile's size is 0, and give_profile fails.
00246 if (TAO_debug_level)
00247 ACE_ERROR ((LM_ERROR,
00248 ACE_TEXT("(%P|%t) TAO_CORBALOC_Parser::parse_string ")
00249 ACE_TEXT("mprofile.give_profile failed for i = %d\n"),
00250 i));
00251 ACE_THROW_RETURN (CORBA::BAD_PARAM (CORBA::OMGVMCID | 10,
00252 CORBA::COMPLETED_NO),
00253 CORBA::Object::_nil ());
00254 }
00255 }
00256
00257 CORBA::Object_ptr object = CORBA::Object::_nil ();
00258 // Get an object stub out.
00259 object = this->make_stub_from_mprofile (orb,
00260 mprofile
00261 ACE_ENV_ARG_PARAMETER);
00262 ACE_CHECK_RETURN (CORBA::Object::_nil ());
00263
00264 return object;
00265 }
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Gets the pointer to the key_string when the protocol used is RIR.
Definition at line 76 of file CORBALOC_Parser.cpp. References TAO_Pseudo_Var_T< T >::_retn(), ACE_CHECK_RETURN, ACE_ENV_ARG_PARAMETER, CORBA::Object_var, CORBA::ORB_ptr, and rir_token_len.
00080 {
00081 // Pass the key string as an argument to resolve_initial_references.
00082 // NameService is the default if an empty key string is supplied.
00083 const char *objkey = ior + rir_token_len;
00084 if (*objkey == '/') // there is an explicit object key, which may
00085 // validly be null.
00086 objkey++;
00087
00088 CORBA::Object_var rir_obj =
00089 orb->resolve_initial_references (*objkey == '\0' ? "NameService" :
00090 objkey
00091 ACE_ENV_ARG_PARAMETER);
00092 ACE_CHECK_RETURN (CORBA::Object::_nil ());
00093
00094 return rir_obj._retn ();
00095 }
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1.3.6