generic_factory.cpp

来自「这是广泛使用的通信开源项目,对于大容量,高并发的通讯要求完全能够胜任,他广泛可用」· C++ 代码 · 共 310 行

// Generic_Factory.cpp,v 1.13 2003/10/28 18:34:45 bala Exp

// ============================================================================
//
// = FILENAME
//    Generic_Factory.cpp
//
// = DESCRIPTION
//    The server for the GenericFactory for the quoter example.
//
// = AUTHOR
//    Michael Kircher ([e-mail])
//
// ============================================================================

#include "Generic_Factory.h"

#include "orbsvcs/LifeCycleServiceC.h"

ACE_RCSID (Quoter, 
           Generic_Factory, 
           "Generic_Factory.cpp,v 1.13 2003/10/28 18:34:45 bala Exp")

Quoter_Generic_Factory_Server::Quoter_Generic_Factory_Server (void)
: use_LifeCycle_Service_ (0),
  debug_level_ (1)
{
}

Quoter_Generic_Factory_Server::~Quoter_Generic_Factory_Server (void)
{
  ACE_TRY_NEW_ENV
    {
      // Unbind the Quoter Factory Finder.
      CosNaming::Name generic_Factory_Name (2);
      generic_Factory_Name.length (2);
      generic_Factory_Name[0].id = CORBA::string_dup ("IDL_Quoter");
      generic_Factory_Name[1].id = CORBA::string_dup ("Quoter_Generic_Factory");
      if (this->quoterNamingContext_var_.ptr () != 0)
        this->quoterNamingContext_var_->unbind (generic_Factory_Name ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;
    }
  ACE_CATCH (CORBA::SystemException, sysex)
    {
      ACE_PRINT_EXCEPTION (sysex, "System Exception");
    }
  ACE_CATCH (CORBA::UserException, userex)
    {
      ACE_PRINT_EXCEPTION (userex, "User Exception");
    }
  ACE_ENDTRY;
}

int
Quoter_Generic_Factory_Server::init (int argc,
                                     char *argv[]
                                     ACE_ENV_ARG_DECL)
{
  const char *exception_message = "Null Message";

  ACE_TRY
    {
      int result = 0;
      // Initialize the ORB Manager
      exception_message = "While initing the orb_manager";
      result = this->orb_manager_.init (argc, argv ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      if (result == -1)
        ACE_ERROR_RETURN ((LM_ERROR, "%p\n", "init"), -1);

      // Activate the POA manager
      exception_message = "While activating the POA manager";
      result = this->orb_manager_.activate_poa_manager (ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_TRY_CHECK;

      if (result == -1)
        ACE_ERROR_RETURN ((LM_ERROR, "%p\n", "activate_poa_manager"), -1);

      // Copy them, because parse_args expects them there.
      this->argc_ = argc;
      this->argv_ = argv;
      this->parse_args ();

      ACE_NEW_RETURN (this->quoter_Generic_Factory_i_ptr_,
                      Quoter_Generic_Factory_i(this->debug_level_),
                      -1);

      // Activate the object.
      exception_message = "While activating the Generic Factory";
      CORBA::String_var str  =
        this->orb_manager_.activate (this->quoter_Generic_Factory_i_ptr_
                                     ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      // Print the IOR.
      if (this->debug_level_ >= 2)
        ACE_DEBUG ((LM_DEBUG, "Generic_Factory: IOR is: <%s>\n", str.in ()));

      // Register the Quoter GenericFactory with the Naming Service.
      if (this->debug_level_ >= 2)
        ACE_DEBUG ((LM_DEBUG,
                    "Generic_Factory: Trying to get a reference to the Naming Service.\n"));

      // Get the Naming Service object reference.
      exception_message = "While getting the Naming Service Reference";
      CORBA::Object_var namingObj_var =
        orb_manager_.orb()->resolve_initial_references ("NameService" ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      if (CORBA::is_nil (namingObj_var.in ()))
        ACE_ERROR ((LM_ERROR,
                   " (%P|%t) Unable get the Naming Service.\n"));

      // Narrow the object reference to a Naming Context.
      exception_message = "While narrowing the Naming Context";
      CosNaming::NamingContext_var namingContext_var =
        CosNaming::NamingContext::_narrow (namingObj_var.in ()
                                           ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      if (CORBA::is_nil (namingContext_var.in ()))
        ACE_ERROR ((LM_ERROR,
                   " (%P|%t) Unable get the Naming Service.\n"));


      if (this->debug_level_ >= 2)
        ACE_DEBUG ((LM_DEBUG,
                    "Generic_Factory: Have a proper reference to the Naming Service.\n"));

      // Get the IDL_Quoter naming context.
      CosNaming::Name quoterContextName (1);  // max = 1
      quoterContextName.length (1);
      quoterContextName[0].id = CORBA::string_dup ("IDL_Quoter");

      exception_message = "While resolving the Quoter";
      CORBA::Object_var quoterNamingObj_var =
        namingContext_var->resolve (quoterContextName
                                    ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      exception_message = "While narrowing the Quoter";
      quoterNamingContext_var_ =
        CosNaming::NamingContext::_narrow (quoterNamingObj_var.in ()
                                           ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      if (this->debug_level_ >= 2)
        ACE_DEBUG ((LM_DEBUG,
                    "Generic_Factory: Have a proper reference to the Quoter Naming Context.\n"));

      // Bind the Quoter GenericFactory to the IDL_Quoter naming
      // context.
      CosNaming::Name quoter_Generic_Factory_Name (1);
      quoter_Generic_Factory_Name.length (1);
      quoter_Generic_Factory_Name[0].id = CORBA::string_dup ("Quoter_Generic_Factory");

      exception_message = "Generic_Factory::_this";
      CORBA::Object_var gf_obj = this->quoter_Generic_Factory_i_ptr_->_this(ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_TRY_CHECK;

      exception_message = "While binding the Generic Factory";
      quoterNamingContext_var_->bind (quoter_Generic_Factory_Name,
                                      gf_obj.in ()
                                      ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      if (this->debug_level_ >= 2)
        ACE_DEBUG ((LM_DEBUG,
                    "Generic_Factory: Bound the Quoter GenericFactory to the Quoter Naming Context.\n"));

      // now the Quoter GenericFactory is bound to the Naming Context
      // the Generic Factory should try to register itself to the closest
      // Life Cycle Service is order to be called.

      if (this->use_LifeCycle_Service_)
      {
        // get the Quoter_Life_Cycle_Service
        CosNaming::Name life_Cycle_Service_Name (1);
        life_Cycle_Service_Name.length (1);
        life_Cycle_Service_Name[0].id = CORBA::string_dup ("Life_Cycle_Service");

        exception_message = "While resolving the Life Cycle Service";
        CORBA::Object_var life_Cycle_Service_Obj_var =
          namingContext_var->resolve (life_Cycle_Service_Name
                                      ACE_ENV_ARG_PARAMETER);
        ACE_TRY_CHECK;

        exception_message = "While narrowing the Life Cycle Service";
        LifeCycleService::Life_Cycle_Service_var  life_Cycle_Service_var =
          LifeCycleService::Life_Cycle_Service::_narrow (life_Cycle_Service_Obj_var.in ()
                                                         ACE_ENV_ARG_PARAMETER);
        ACE_TRY_CHECK;

        if (this->debug_level_ >= 2)
          ACE_DEBUG ((LM_DEBUG, "Generic_Factory: Have a proper reference to Life Cycle Service.\n"));

        exception_message = "While _this on Generic Factory";
        CORBA::Object_var object_var = this->quoter_Generic_Factory_i_ptr_->_this(ACE_ENV_SINGLE_ARG_PARAMETER);
        ACE_TRY_CHECK;

        exception_message = "While registering the generic factory";
        life_Cycle_Service_var->register_factory ("Quoter_Generic_Factory",  // name
                                                  "Bryan 503",               // location
                                                  "Generic Factory",         // description
                                                  object_var.in ()
                                                  ACE_ENV_ARG_PARAMETER);
        ACE_TRY_CHECK;

        if (this->debug_level_ >= 2)
          ACE_DEBUG ((LM_DEBUG,
                      "Generic_Factory: Registered the Quoter GenericFactory to the Life Cycle Service.\n"));
      }

    }
  ACE_CATCHANY
    {
      ACE_ERROR ((LM_ERROR, "Quoter_Generic_Factory_Server::init - %s\n", exception_message));
      ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, "Quoter_Generic_Factory_Server::init");
      return -1;
    }
  ACE_ENDTRY;


  return 0;
}

int
Quoter_Generic_Factory_Server::run (ACE_ENV_SINGLE_ARG_DECL)
{
  if (this->debug_level_ >= 1)
    ACE_DEBUG ((LM_DEBUG,
                "\nQuoter Example: Quoter_Generic_Factory_Server is running\n"));

  orb_manager_.orb()->run (ACE_ENV_SINGLE_ARG_PARAMETER);
  ACE_CHECK_RETURN (-1);

  return 0;
}

// Function get_options.

u_int
Quoter_Generic_Factory_Server::parse_args (void)
{
  ACE_Get_Opt get_opt (this->argc_, this->argv_, "l?d:");
  int opt;
  int exit_code = 0;

  while ((opt = get_opt ()) != EOF)
    switch (opt)
      {
      case 'd':  // debug flag.
        this->debug_level_ = ACE_OS::atoi (get_opt.opt_arg ());
        break;
      case 'l':
        this->use_LifeCycle_Service_ = 1;
        break;
      default:
        exit_code = 1;
        ACE_ERROR ((LM_ERROR,
                    "%s: unknown arg, -%c\n",
                    this->argv_[0], char(opt)));
      case '?':
        ACE_DEBUG ((LM_DEBUG,
                    "usage:  %s"
                    " [-d] <debug level> - Set the debug level\n"
                    " [-?]               - Prints this message\n"
                    " [-l]               - Use the lifecycle service\n"
                    "\n",
                    this->argv_[0]));
        ACE_OS::exit (exit_code);
        break;
      }
  return 0;
}

// function main

int
main (int argc, char *argv [])
{
  Quoter_Generic_Factory_Server quoter_Generic_Factory_Server;

  ACE_TRY_NEW_ENV
    {
      if (quoter_Generic_Factory_Server.init (argc,
                                              argv
                                              ACE_ENV_ARG_PARAMETER) == -1)
        return 1;
      else
        {
          quoter_Generic_Factory_Server.run (ACE_ENV_SINGLE_ARG_PARAMETER);
          ACE_TRY_CHECK;
        }
    }
  ACE_CATCH (CORBA::SystemException, sysex)
    {
      ACE_PRINT_EXCEPTION (sysex, "System Exception");
      return -1;
    }
  ACE_CATCH (CORBA::UserException, userex)
    {
      ACE_PRINT_EXCEPTION (userex, "User Exception");
      return -1;
    }
  ACE_ENDTRY;
  return 0;
}