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Diffstat (limited to 'TAO/examples/POA/On_Demand_Loading/Servant_Manager.cpp')
| -rw-r--r-- | TAO/examples/POA/On_Demand_Loading/Servant_Manager.cpp | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/TAO/examples/POA/On_Demand_Loading/Servant_Manager.cpp b/TAO/examples/POA/On_Demand_Loading/Servant_Manager.cpp deleted file mode 100644 index f4529308158..00000000000 --- a/TAO/examples/POA/On_Demand_Loading/Servant_Manager.cpp +++ /dev/null @@ -1,207 +0,0 @@ -// $Id$ - -// ============================================================================ -// -// = LIBRARY -// TAO/tests/POA/On_Demand_Loading -// -// = FILENAME -// Servant_Locator.cpp -// -// = DESCRIPTION -// Implementation of the helper class for the ServantActivator and -// the ServantLocator. -// -// = AUTHOR -// Kirthika Parameswaran <kirthika@cs.wustl.edu> -// -// ============================================================================ - -#include "Servant_Manager.h" - -ACE_RCSID(On_Demand_Activation, Servant_Manager, "$Id$") - -// Initialization. -ServantManager_i::ServantManager_i (CORBA::ORB_ptr orb) - : orb_ (CORBA::ORB::_duplicate (orb)) -{ -} - -// Destruction. -ServantManager_i::~ServantManager_i (void) -{ -} - -// This method loads the dynamically linked dll which is the servant -// and returns the servant object which is then used for other -// operations in the dll. - -PortableServer::Servant -ServantManager_i::obtain_servant (const char *str, - PortableServer::POA_ptr poa, - long value) -{ - // The string format is <dllname:factory_function> that must be - // parsed. - this->parse_string (str); - - // Create the dll object. - ACE_DLL *dll; - - ACE_NEW_RETURN (dll, - ACE_DLL, - 0); - - // Obtain the ObjectId from the string argument. - - PortableServer::ObjectId_var oid = - PortableServer::string_to_ObjectId (str); - - // Make an HASH_MAP entry by binding the object_id and the dll - // object associated with it together. - if (this->servant_map_.bind (oid.in (), - dll) == -1) - ACE_ERROR_RETURN ((LM_ERROR, - "%p\n", - "Bind failed"), - 0); - - // Now that the dll name is available we open the dll. - if (dll->open (dllname_) == -1) - ACE_ERROR_RETURN ((LM_ERROR, - "%p", dll->error ()), - 0); - - // The next step is to obtain the symbol for the function that will - // create the servant object and return it. - SERVANT_FACTORY servant_creator = ACE_reinterpret_cast - (SERVANT_FACTORY, dll->symbol (create_symbol_.in ())); - - // Checking whether it is possible to create the servant. - if (servant_creator == 0) - ACE_ERROR_RETURN ((LM_ERROR, - "%p", dll->error ()), - 0); - - // Now create and return the servant using the <servant_creator> - // factory function. - return (*servant_creator) (this->orb_.in (), - poa, - value); -} - -// The objectID is in a format of dll:factory_function which has to be -// parsed and separated into tokens to be used. - -void -ServantManager_i::parse_string (const char *s) -{ - // The format of the object <dll:factory_function>. This string is - // parsed to obtain the dll name and the function name which will - // create trhe servant and return it to us. - - char *str = ACE::strnew (s); - - char *func = ACE_OS::strchr (str, ':'); - - if (func != 0) - *func = '\0'; - - // Assign the value until '\0' to dllname_. - this->dllname_ = CORBA::string_dup (str); - - // Assign the value after ':' to create_symbol_. - this->create_symbol_ = CORBA::string_dup (func + 1); - - ACE_DEBUG ((LM_DEBUG, - "the servant dll:%s\n the factory_function:%s\n ", - this->dllname_.in (), - this->create_symbol_.in ())); - delete [] str; -} - -// This method returns an ObjectId when given an dll name and the -// factory function to be invoked in the dll.The format of the -// ObjectId is libname:factory_function. - -PortableServer::ObjectId_var -ServantManager_i::create_dll_object_id (const char *libname, - const char *factory_function) -{ - char *format_string; - - ACE_DEBUG ((LM_DEBUG, - "format-string is getting allocated\n")); - - ACE_NEW_RETURN (format_string, - char [ACE_OS::strlen (libname) + - ACE_OS::strlen (factory_function) + - sizeof (':') + - 1], // For the trailing 0. - 0); - - char *end = ACE::strecpy (format_string, libname); - end = ACE::strecpy (end - 1, ":"); - ACE::strecpy (end - 1, factory_function); - - ACE_DEBUG ((LM_DEBUG, - "format-string is %s\n", - format_string)); - - // The object ID is created. - PortableServer::ObjectId_var oid = - PortableServer::string_to_ObjectId (format_string); - - delete [] format_string; - - return oid; -} - -// This method destroys the servant and its caretaking dll object. - -void -ServantManager_i::destroy_servant (PortableServer::Servant servant, - const PortableServer::ObjectId &oid) -{ - // The servant is destroyed. - delete servant; - - // Since the servant is no more the dll object associated with it - // has to be destroyed too. - - ACE_DLL *dll = 0; - - // Since the servant is no more the dll object associated with it - // has to be destroyed too. - - if (this->servant_map_.unbind (oid, - dll) == -1) - ACE_ERROR ((LM_ERROR, - "%p\n", - "Unbind failed!\n")); - delete dll; -} - -#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION) -template class ACE_Hash_Map_Entry<PortableServer::ObjectId,ACE_DLL*>; -template class ACE_Hash<PortableServer::ObjectId>; -template class ACE_Equal_To<PortableServer::ObjectId>; -template class ACE_Hash_Map_Manager<PortableServer::ObjectId,ACE_DLL*, ACE_Null_Mutex>; -template class ACE_Hash_Map_Manager_Ex<PortableServer::ObjectId, ACE_DLL*, ACE_Hash<PortableServer::ObjectId>, ACE_Equal_To<PortableServer::ObjectId>, ACE_Null_Mutex>; -template class ACE_Hash_Map_Iterator_Base_Ex<PortableServer::ObjectId, ACE_DLL*, ACE_Hash<PortableServer::ObjectId>, ACE_Equal_To<PortableServer::ObjectId>, ACE_Null_Mutex>; -template class ACE_Hash_Map_Iterator<PortableServer::ObjectId,ACE_DLL*, ACE_Null_Mutex>; -template class ACE_Hash_Map_Iterator_Ex<PortableServer::ObjectId, ACE_DLL*, ACE_Hash<PortableServer::ObjectId>, ACE_Equal_To<PortableServer::ObjectId>, ACE_Null_Mutex>; -template class ACE_Hash_Map_Reverse_Iterator<PortableServer::ObjectId,ACE_DLL*, ACE_Null_Mutex>; -template class ACE_Hash_Map_Reverse_Iterator_Ex<PortableServer::ObjectId, ACE_DLL*, ACE_Hash<PortableServer::ObjectId>, ACE_Equal_To<PortableServer::ObjectId>, ACE_Null_Mutex>; -#elif defined(ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA) -#pragma instantiate ACE_Hash_Map_Entry<PortableServer::ObjectId,ACE_DLL*,ACE_Null_Mutex> -#pragma instantiate ACE_Hash<PortableServer::ObjectId,ACE_DLL*> -#pragma instantiate ACE_Equal_To<PortableServer::ObjectId,ACE_DLL*> -#pragma instantiate ACE_Hash_Map_Manager<PortableServer::ObjectId,ACE_DLL*,ACE_Null_Mutex> -#pragma instantiate ACE_Hash_Map_Manager_Ex<PortableServer::ObjectId, ACE_DLL*, ACE_Hash<PortableServer::ObjectId>, ACE_Equal_To<PortableServer::ObjectId>, ACE_Null_Mutex> -#pragma instantiate ACE_Hash_Map_Iterator_Base_Ex<PortableServer::ObjectId, ACE_DLL*, ACE_Hash<PortableServer::ObjectId>, ACE_Equal_To<PortableServer::ObjectId>, ACE_Null_Mutex> -#pragma instantiate ACE_Hash_Map_Iterator<PortableServer::ObjectId,ACE_DLL*,ACE_Null_Mutex> -#pragma instantiate ACE_Hash_Map_Iterator_Ex<PortableServer::ObjectId, ACE_DLL*, ACE_Hash<PortableServer::ObjectId>, ACE_Equal_To<PortableServer::ObjectId>, ACE_Null_Mutex> -#pragma instantiate ACE_Hash_Map_Reverse_Iterator<PortableServer::ObjectId,ACE_DLL*,ACE_Null_Mutex> -#pragma instantiate ACE_Hash_Map_Reverse_Iterator_Ex<PortableServer::ObjectId, ACE_DLL*, ACE_Hash<PortableServer::ObjectId>, ACE_Equal_To<PortableServer::ObjectId>, ACE_Null_Mutex> -#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */ |