TAO/DevGuideExamples/LocalObjects/ServantLocator/MessengerServer.cpp

   1 #include "MessengerLocator_i.h"
   2 #include "MessengerC.h"
   3
   4 #include "tao/AnyTypeCode/TypeCode.h"
   5 #include <iostream>
   6 #include <fstream>
   7 #include "ace/Get_Opt.h"
   8
   9 const ACE_TCHAR *ior_output_file = ACE_TEXT ("Messenger.ior");
  10
  11 int
  12 parse_args (int argc, ACE_TCHAR *argv[])
  13 {
  14   ACE_Get_Opt get_opts (argc, argv, ACE_TEXT("o:"));
  15   int c;
  16
  17   while ((c = get_opts ()) != -1)
  18     switch (c)
  19       {
  20       case 'o':
  21         ior_output_file = get_opts.opt_arg ();
  22         break;
  23
  24       case '?':
  25       default:
  26         ACE_ERROR_RETURN ((LM_ERROR,
  27                            "usage:  %s "
  28                            "-o <iorfile>"
  29                            "\n",
  30                            argv [0]),
  31                           -1);
  32       }
  33   // Indicates successful parsing of the command line
  34   return 0;
  35 }
  36
  37 int ACE_TMAIN (int argc, ACE_TCHAR *argv [])
  38 {
  39   try {
  40     // Initialize the ORB
  41     CORBA::ORB_var orb = CORBA::ORB_init(argc, argv);
  42
  43     if (parse_args (argc, argv) != 0)
  44         return 1;
  45
  46     // Get a reference to the POA
  47     CORBA::Object_var obj = orb->resolve_initial_references("RootPOA");
  48     PortableServer::POA_var rootPOA = PortableServer::POA::_narrow (obj.in());
  49
  50     // Active the POA Manager
  51     PortableServer::POAManager_var mgr = rootPOA->the_POAManager();
  52     mgr->activate();
  53
  54     // Create the policies and assign them for the child POA
  55     CORBA::PolicyList policies(3);
  56     policies.length(3);
  57
  58     policies[0] = rootPOA->create_id_assignment_policy(PortableServer::USER_ID);
  59     policies[1] = rootPOA->create_request_processing_policy(PortableServer::USE_SERVANT_MANAGER);
  60     policies[2] = rootPOA->create_servant_retention_policy(PortableServer::NON_RETAIN);
  61
  62     // Create the POA with these policies
  63     PortableServer::POA_var childPOA = rootPOA->create_POA("childPOA", mgr.in(), policies);
  64
  65     // Destroy the policy objects
  66     for (CORBA::ULong i = 0; i != policies.length(); ++i) {
  67       policies[i]->destroy();
  68     }
  69
  70     // Create our Messenger's ServantLocator.
  71     PortableServer::ServantLocator_var locator = new Messenger_Locator_i;
  72
  73     // Set the Servant Manager with the childPOA.
  74     childPOA->set_servant_manager(locator.in());
  75
  76     // Get the object id for the user-created ID in the childPOA.
  77     PortableServer::ObjectId_var child_oid = PortableServer::string_to_ObjectId("Messenger");
  78
  79     // Create the object without creating a servant.
  80     CORBA::Object_var messenger_obj =
  81       childPOA->create_reference_with_id(child_oid.in(), ::_tc_Messenger->id());
  82
  83     // Put the object reference into an IOR string
  84     CORBA::String_var str = orb->object_to_string(messenger_obj.in());
  85
  86     // Write the IOR string to a file
  87     std::ofstream iorFile(ACE_TEXT_ALWAYS_CHAR(ior_output_file)); // Throws exception if there's a problem.
  88     iorFile << str.in();
  89     iorFile.close();
  90
  91     std::cout << "IOR written to the file " << ACE_TEXT_ALWAYS_CHAR(ior_output_file) << std::endl;
  92
  93     // Accept requests from clients.
  94     orb->run();
  95
  96     // Release resources
  97     rootPOA->destroy(true,true);
  98     orb->destroy();
  99   }
 100   catch(const CORBA::Exception& ex) {
 101     std::cerr << "Server Caught a CORBA::Exception: " << ex << std::endl;
 102     return 1;
 103   }
 104
 105   return 0;
 106 }
 107
 108