#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 bool | match_prefix (const char *ior_string) const |
| virtual CORBA::Object_ptr | parse_string (const char *ior, CORBA::ORB_ptr orb) |
| Parse the ior-string that is passed. | |
Private Member Functions | |
| CORBA::Object_ptr | make_stub_from_mprofile (CORBA::ORB_ptr orb, TAO_MProfile &mprofile) |
| CORBA::Object_ptr | parse_string_rir_helper (const char *corbaloc_name, CORBA::ORB_ptr orb) |
| 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) |
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 46 of file CORBALOC_Parser.h.
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Constructor.
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The destructor.
Definition at line 36 of file CORBALOC_Parser.cpp.
00037 {
00038 }
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Definition at line 242 of file CORBALOC_Parser.cpp. References ACE_CString, ACE_DEBUG, ACE_ERROR, ACE_TEXT, 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. Referenced by parse_string().
00245 {
00246 const char *separator = ACE_OS::strchr (ior, ':');
00247
00248 // A special case for handling iiop
00249 if (ior[0] != ':' && ACE_OS::strncmp (ior,iiop_token,iiop_token_len) != 0)
00250 {
00251 canonical_endpoint.set (separator+1,
00252 prot_addr_len - (separator - ior) - 1,1);
00253 return;
00254 }
00255
00256 const char *addr_base = separator+1;
00257 const char *addr_tail = ior + prot_addr_len;
00258 // skip past version, if any
00259 separator = ACE_OS::strchr (addr_base,'@');
00260 if (separator != 0 && separator < addr_tail)
00261 {
00262 canonical_endpoint.set (addr_base,(separator - addr_base)+1,1);
00263 addr_base = separator + 1;
00264 }
00265 else
00266 canonical_endpoint.clear ();
00267
00268 ACE_CString raw_host;
00269 ACE_CString raw_port;
00270 separator = ACE_OS::strchr (addr_base,':');
00271 #if defined (ACE_HAS_IPV6)
00272 // IPv6 numeric address in host string?
00273
00274 // Check if this is an address containing a decimal IPv6 address representation.
00275 if (addr_base < addr_tail && addr_base[0] == '[')
00276 {
00277 // In this case we have to find the end of the numeric address and
00278 // start looking for the port separator from there.
00279 const char *cp_pos = ACE_OS::strchr(addr_base, ']');
00280 if (cp_pos == 0 || cp_pos >= addr_tail)
00281 {
00282 // No valid IPv6 address specified but that will come out later.
00283 if (TAO_debug_level > 0)
00284 {
00285 ACE_ERROR ((LM_ERROR,
00286 ACE_TEXT ("\nTAO (%P|%t) TAO_CORBALOC_Parser: ")
00287 ACE_TEXT ("Invalid IPv6 decimal address specified.\n")));
00288 }
00289 separator = 0;
00290 }
00291 else
00292 {
00293 if (cp_pos[1] == ':') // Look for a port
00294 separator = cp_pos + 1;
00295 else
00296 separator = 0;
00297 }
00298 }
00299 #endif /* ACE_HAS_IPV6 */
00300
00301 if (separator != 0 && separator < addr_tail)
00302 {
00303 // we have a port number
00304 raw_host.set (addr_base, (separator - addr_base), 1);
00305 raw_port.set (separator, (addr_tail - separator), 1);
00306 }
00307 else
00308 {
00309 // we must default port #
00310 if (addr_base < addr_tail)
00311 raw_host.set (addr_base, (addr_tail - addr_base),1);
00312 raw_port.set (":2809");
00313 }
00314
00315 if (raw_host.length() == 0)
00316 {
00317 ACE_INET_Addr host_addr;
00318
00319 char tmp_host [MAXHOSTNAMELEN + 1];
00320
00321 // If no host is specified: assign the default host, i.e. the
00322 // local host.
00323 if (host_addr.get_host_name (tmp_host,
00324 sizeof (tmp_host)) != 0)
00325 {
00326 // Can't get the IP address since the INET_Addr wasn't
00327 // initialized. Just throw an exception.
00328
00329 if (TAO_debug_level > 0)
00330 ACE_DEBUG ((LM_DEBUG,
00331 ACE_TEXT ("TAO (%P|%t) ")
00332 ACE_TEXT ("cannot determine hostname.\n")));
00333
00334 throw ::CORBA::INV_OBJREF
00335 (CORBA::SystemException::_tao_minor_code
00336 (TAO::VMCID, EINVAL),
00337 CORBA::COMPLETED_NO);
00338 }
00339 else
00340 {
00341 canonical_endpoint += tmp_host;
00342 }
00343 }
00344 else
00345 {
00346 canonical_endpoint += raw_host;
00347 }
00348
00349 canonical_endpoint += raw_port;
00350 }
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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 50 of file CORBALOC_Parser.cpp. References CORBA::Object::_nil(), TAO_Pseudo_Var_T< T >::_retn(), TAO_ORB_Core::create_object(), TAO_ORB_Core::create_stub(), TAO_Pseudo_Var_T< T >::in(), CORBA::is_nil(), CORBA::Object_var, CORBA::ORB::orb_core(), CORBA::ORB_ptr, and TAO_Stub_Auto_Ptr::release(). Referenced by parse_string().
00052 {
00053 // Create a TAO_Stub.
00054 TAO_Stub *data = orb->orb_core ()->create_stub ((const char *) 0,
00055 mprofile
00056 );
00057
00058 TAO_Stub_Auto_Ptr safe_data (data);
00059
00060 CORBA::Object_var obj = orb->orb_core ()->create_object (data);
00061
00062 if (!CORBA::is_nil (obj.in ()))
00063 {
00064 /// All is well, so release the stub object from its
00065 /// auto_ptr.
00066 (void) safe_data.release ();
00067
00068 /// Return the object reference to the application.
00069 return obj._retn ();
00070 }
00071
00072 /// Shouldnt come here: if so, return nil reference.
00073 return CORBA::Object::_nil ();
00074 }
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= The IOR_Parser methods, please read the documentation in IOR_Parser.h Implements TAO_IOR_Parser. Definition at line 41 of file CORBALOC_Parser.cpp. References prefix, prefix_len, and ACE_OS::strncmp().
00042 {
00043 // Check if the prefix is 'corbaloc:' and return the result.
00044 return (ACE_OS::strncmp (ior_string,
00045 prefix,
00046 prefix_len) == 0);
00047 }
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Parse the ior-string that is passed.
Implements TAO_IOR_Parser. Definition at line 94 of file CORBALOC_Parser.cpp. References ACE_CString, ACE_ERROR, ACE_TEXT, ACE_TEXT_CHAR_TO_TCHAR, TAO_Connector_Registry::begin(), TAO_ORB_Core::connector_registry(), TAO_Connector_Registry::end(), TAO_MProfile::give_profile(), LM_ERROR, make_canonical(), make_stub_from_mprofile(), CORBA::ORB::orb_core(), TAO_ORB_Core::orb_params(), CORBA::ORB_ptr, parse_string_rir_helper(), prefix, rir_token, rir_token_len, TAO_ORB_Parameters::shared_profile(), ACE_Array_Base< T >::size(), ACE_OS::strchr(), ACE_OS::strlen(), ACE_OS::strncmp(), TAO_ConnectorSetIterator, and TAO_debug_level.
00095 {
00096 // The decomposition of a corbaloc string is in Section 13.6.10.
00097 //
00098 // following the "corbaloc:"
00099 // a comma separated list of <prot_addr> strings
00100 // for each,
00101 // Separate out the key, delimited by '/'
00102 // Split out the various parts of our corbaloc string, comma-delimited
00103 // For each part
00104 // Determine the protocol
00105 // If rir, defer to another function and return the object
00106 // If iiop, make the profile with <endpoint>:<port>/<key>
00107 // If another protocol, use <remainder>/<key>
00108 // Search through the collection of protocols for the correct one
00109 // If not found, throw exception
00110 // If found, make our_connector from it.
00111 // our_connector->make_mprofile_unchecked (...);
00112 // object = this->make_stub_from_mprofile (...);
00113 // Return the object
00114
00115 // Skip the prefix. We know it is there because this method is only
00116 // called if match_prefix() returns 1.
00117 ior += ACE_OS::strlen(prefix);
00118
00119 // First check for rir
00120 if (ACE_OS::strncmp (ior,rir_token,rir_token_len) == 0)
00121 return this->parse_string_rir_helper (ior,orb);
00122
00123 // set up space for parsed endpoints. there will be at least 1, and
00124 // most likely commas will separate endpoints, although they could be
00125 // part of an endpoint address for some protocols.
00126 size_t max_endpoint_count = 1;
00127 for (const char *comma = ACE_OS::strchr (ior,',');
00128 comma;
00129 comma = ACE_OS::strchr (comma+1,','))
00130 ++max_endpoint_count;
00131
00132 ACE_Array<parsed_endpoint> endpoints(max_endpoint_count);
00133 endpoints.size (0);
00134
00135 // Get the Connector Registry from the ORB.
00136 TAO_Connector_Registry *conn_reg =
00137 orb->orb_core ()->connector_registry();
00138
00139 while (1) { // will loop on comma only.
00140 size_t len = 0;
00141 size_t ndx = endpoints.size();
00142 endpoints.size(ndx+1);
00143 int uiop_compatible = 0;
00144 TAO_ConnectorSetIterator conn_iter = 0;
00145 for (conn_iter = conn_reg->begin();
00146 conn_iter != conn_reg->end() &&
00147 endpoints[ndx].profile_ == 0;
00148 conn_iter ++)
00149 {
00150 endpoints[ndx].profile_ =
00151 (*conn_iter)->corbaloc_scan(ior,len);
00152
00153 if (endpoints[ndx].profile_)
00154 {
00155 endpoints[ndx].obj_key_sep_ =
00156 (*conn_iter)->object_key_delimiter();
00157 uiop_compatible = (endpoints[ndx].obj_key_sep_ == '|');
00158 this->make_canonical (ior,len,endpoints[ndx].prot_addr_);
00159 ior += len;
00160 break;
00161 }
00162 }
00163
00164 if (endpoints[ndx].profile_ == 0)
00165 {
00166 if (TAO_debug_level)
00167 ACE_ERROR ((LM_ERROR,
00168 ACE_TEXT("(%P|%t) TAO_CORBALOC_Parser::parse_string ")
00169 ACE_TEXT("could not parse from %s"),
00170 ACE_TEXT_CHAR_TO_TCHAR(ior)));
00171 throw ::CORBA::BAD_PARAM (CORBA::OMGVMCID | 10, CORBA::COMPLETED_NO);
00172 }
00173 if (*ior == ',') // more endpoints follow
00174 {
00175 ior++;
00176 continue;
00177 }
00178
00179 if (*ior == '/') // found key separator
00180 {
00181 ior ++;
00182 break;
00183 }
00184
00185 if (*ior == '\0') // no key separator appended, use default key
00186 {
00187 break;
00188 }
00189
00190 if (uiop_compatible && *(ior - 1) == '|')
00191 // Assume this is an old uiop style corbaloc. No need to warn here,
00192 // the UIOP_Connector::corbaloc_scan already did.
00193 break;
00194
00195 // anything else is a violation.
00196 if (TAO_debug_level)
00197 ACE_ERROR ((LM_ERROR,
00198 ACE_TEXT("(%P|%t) TAO_CORBALOC_Parser::parse_string ")
00199 ACE_TEXT("could not parse from %s"),
00200 ACE_TEXT_CHAR_TO_TCHAR(ior)));
00201 throw ::CORBA::BAD_PARAM (CORBA::OMGVMCID | 10, CORBA::COMPLETED_NO);
00202 } // end of while
00203
00204 // At this point, ior points at the start of the object key
00205 ACE_CString obj_key (*ior ? ior : (const char *)"NameService");
00206
00207 // now take the collection of endpoints along with the decoded key and
00208 // mix them together to get the mprofile.
00209 TAO_MProfile mprofile (endpoints.size());
00210
00211 for (size_t i = 0; i < endpoints.size(); i++)
00212 {
00213 ACE_CString full_ep = endpoints[i].prot_addr_ +
00214 endpoints[i].obj_key_sep_ +
00215 obj_key;
00216 const char * str = full_ep.c_str();
00217 endpoints[i].profile_->parse_string (str);
00218 int share = orb->orb_core()->orb_params()->shared_profile();
00219 if (mprofile.give_profile(endpoints[i].profile_, share) != -1)
00220 endpoints[i].profile_ = 0;
00221 else
00222 {
00223 // Although this ought never happen, we want to make some
00224 // indication back to the caller, more as an audit trail than
00225 // anything else. The only failure possible is that there was
00226 // insufficient heap to allocate the mprofile, hence the
00227 // mprofile's size is 0, and give_profile fails.
00228 if (TAO_debug_level)
00229 ACE_ERROR ((LM_ERROR,
00230 ACE_TEXT("(%P|%t) TAO_CORBALOC_Parser::parse_string ")
00231 ACE_TEXT("mprofile.give_profile failed for i = %d\n"),
00232 i));
00233 throw ::CORBA::BAD_PARAM (CORBA::OMGVMCID | 10, CORBA::COMPLETED_NO);
00234 }
00235 }
00236
00237 // Get an object stub out.
00238 return this->make_stub_from_mprofile (orb, mprofile);
00239 }
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Gets the pointer to the key_string when the protocol used is RIR.
Definition at line 77 of file CORBALOC_Parser.cpp. References TAO_Pseudo_Var_T< T >::_retn(), CORBA::Object_var, CORBA::ORB_ptr, CORBA::ORB::resolve_initial_references(), and rir_token_len. Referenced by parse_string().
00079 {
00080 // Pass the key string as an argument to resolve_initial_references.
00081 // NameService is the default if an empty key string is supplied.
00082 const char *objkey = ior + rir_token_len;
00083 if (*objkey == '/') // there is an explicit object key, which may
00084 // validly be null.
00085 objkey++;
00086
00087 CORBA::Object_var rir_obj =
00088 orb->resolve_initial_references (*objkey == '\0' ? "NameService" : objkey);
00089
00090 return rir_obj._retn ();
00091 }
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1.3.6