TAO/tests/File_IO/server.cpp

   1 // -*- C++ -*-
   2 #include "File_i.h"
   3 #include "tao/debug.h"
   4 #include "ace/SString.h"
   5 #include "ace/Get_Opt.h"
   6 #include "ace/Task.h"
   7 #include "ace/OS_NS_unistd.h"
   8 #include "ace/OS_NS_fcntl.h"
   9
  10 static const ACE_TCHAR *ior_output_file = ACE_TEXT("ior");
  11 static const int nthreads = 2;
  12
  13
  14 /**
  15  * Run a server thread
  16  *
  17  * Use the ACE_Task_Base class to run server threads
  18  */
  19 class Worker : public ACE_Task_Base
  20 {
  21 public:
  22   Worker (CORBA::ORB_ptr orb);
  23   // ctor
  24
  25   virtual int svc ();
  26   // The thread entry point.
  27
  28 private:
  29   CORBA::ORB_var orb_;
  30   // The orb
  31 };
  32
  33
  34 static int
  35 parse_args (int argc, ACE_TCHAR **argv)
  36 {
  37   ACE_Get_Opt get_opts (argc, argv, ACE_TEXT("o:d"));
  38   int c;
  39
  40   while ((c = get_opts ()) != -1)
  41     switch (c)
  42       {
  43       case 'o':
  44         ior_output_file = get_opts.opt_arg ();
  45         break;
  46       case 'd':
  47         TAO_debug_level++;
  48         break;
  49       case '?':
  50       default:
  51         ACE_ERROR_RETURN ((LM_ERROR,
  52                            "usage:  %s "
  53                            "[-oior_output_file]"
  54                            "[-d]"
  55                            "\n",
  56                            argv [0]),
  57                           -1);
  58       }
  59
  60   // Indicates successful parsing of command line.
  61   return 0;
  62 }
  63
  64
  65 int
  66 ACE_TMAIN(int argc, ACE_TCHAR *argv[])
  67 {
  68   ACE_HANDLE handle = ACE_OS::open ("big.txt",
  69                                     O_RDWR | O_CREAT,
  70                                     ACE_DEFAULT_FILE_PERMS);
  71
  72   ACE_OS::lseek (handle, 1024*1024*10, SEEK_SET);
  73   ACE_OS::write (handle, "", 1);
  74   ACE_OS::close (handle);
  75
  76   try
  77     {
  78       // Initialize the ORB
  79       CORBA::ORB_var orb = CORBA::ORB_init (argc, argv);
  80
  81       int result = parse_args (argc, argv);
  82       if (result != 0)
  83         return result;
  84
  85       // Obtain the RootPOA.
  86       CORBA::Object_var obj =
  87         orb->resolve_initial_references ("RootPOA");
  88
  89       // Narrow the object reference to a POA reference
  90       PortableServer::POA_var root_poa =
  91         PortableServer::POA::_narrow (obj.in ());
  92
  93       PortableServer::POAManager_var poa_manager =
  94         root_poa->the_POAManager ();
  95
  96       CORBA::PolicyList policies (5);
  97       policies.length (5);
  98
  99       // ID Assignment Policy
 100       policies[0] =
 101         root_poa->create_id_assignment_policy (PortableServer::USER_ID);
 102
 103       // Lifespan Policy
 104       policies[1] =
 105         root_poa->create_lifespan_policy (PortableServer::PERSISTENT);
 106
 107       // Request Processing Policy
 108       policies[2] =
 109         root_poa->create_request_processing_policy (PortableServer::USE_DEFAULT_SERVANT);
 110
 111       // Servant Retention Policy
 112       policies[3] =
 113         root_poa->create_servant_retention_policy (PortableServer::RETAIN);
 114
 115       // Id Uniqueness Policy
 116       policies[4] =
 117         root_poa->create_id_uniqueness_policy (PortableServer::MULTIPLE_ID);
 118
 119       ACE_CString name = "firstPOA";
 120       PortableServer::POA_var first_poa =
 121         root_poa->create_POA (name.c_str (),
 122                               poa_manager.in (),
 123                               policies);
 124
 125       for (CORBA::ULong i = 0;
 126            i < policies.length ();
 127            ++i)
 128         {
 129           CORBA::Policy_ptr policy = policies[i];
 130           policy->destroy ();
 131         }
 132
 133       // Create a File System Implementation object in first_poa
 134       FileImpl::System file_system_impl (first_poa.in ());
 135
 136       PortableServer::ObjectId_var file_system_oid =
 137         PortableServer::string_to_ObjectId ("FileSystem");
 138
 139       first_poa->activate_object_with_id (file_system_oid.in (),
 140                                           &file_system_impl);
 141
 142       CORBA::Object_var file_system =
 143         first_poa->id_to_reference (file_system_oid.in ());
 144
 145       // Get the IOR for the "FileSystem" object
 146       CORBA::String_var file_system_ior =
 147         orb->object_to_string (file_system.in ());
 148
 149       ACE_DEBUG ((LM_DEBUG,"%C\n",
 150                   file_system_ior.in ()));
 151
 152       FILE *output_file= ACE_OS::fopen (ior_output_file, "w");
 153       if (output_file == 0)
 154         ACE_ERROR_RETURN ((LM_ERROR,
 155                            "Cannot open output file for writing IOR: %s",
 156                            ior_output_file),
 157                           -1);
 158       ACE_OS::fprintf (output_file, "%s", file_system_ior.in ());
 159       ACE_OS::fclose (output_file);
 160
 161       // set the state of the poa_manager to active i.e ready to
 162       // process requests
 163       poa_manager->activate ();
 164
 165       Worker worker (orb.in ());
 166       if (worker.activate (THR_NEW_LWP | THR_JOINABLE,
 167                            nthreads) != 0)
 168         ACE_ERROR_RETURN ((LM_ERROR,
 169                            "Cannot activate client threads\n"),
 170                           1);
 171
 172       worker.thr_mgr ()->wait ();
 173
 174       first_poa->destroy(1, 1);
 175
 176       root_poa->destroy(1, 1);
 177
 178       orb->destroy();
 179     }
 180   catch (const CORBA::Exception& ex)
 181     {
 182       ex._tao_print_exception ("EXCEPTION CAUGHT");
 183       return -1;
 184     }
 185
 186   return 0;
 187 }
 188
 189
 190 // ****************************************************************
 191
 192 Worker::Worker (CORBA::ORB_ptr orb)
 193   :  orb_ (CORBA::ORB::_duplicate (orb))
 194 {
 195 }
 196
 197 int
 198 Worker::svc ()
 199 {
 200   try
 201     {
 202       // Run the ORB for atmost 75 seconds
 203       ACE_Time_Value tv (75, 0);
 204       this->orb_->run (tv);
 205     }
 206   catch (const CORBA::Exception& ex)
 207     {
 208       ex._tao_print_exception ("Worker::svc");
 209       return -1;
 210     }
 211
 212   return 0;
 213 }