TAO/performance-tests/Latency/Collocation/Collocated_Test.cpp

   1 #include "Server_Task.h"
   2 #include "Client_Task.h"
   3 #include "ace/Get_Opt.h"
   4 #include "ace/Sched_Params.h"
   5 #include "ace/OS_NS_errno.h"
   6 #include "ace/Manual_Event.h"
   7
   8 #include "tao/Strategies/advanced_resource.h"
   9
  10 int niterations = 250000;
  11
  12 int
  13 parse_args (int argc, ACE_TCHAR *argv[])
  14 {
  15   ACE_Get_Opt get_opts (argc, argv, ACE_TEXT("k:n:"));
  16   int c;
  17
  18   while ((c = get_opts ()) != -1)
  19     switch (c)
  20       {
  21       case 'n':
  22         niterations = ACE_OS::atoi (get_opts.opt_arg ());
  23         break;
  24
  25       default:
  26         // This is a hack but that is okay!
  27         return 0;
  28       }
  29   // Indicates successful parsing of the command line
  30   return 0;
  31 }
  32
  33 void
  34 set_priority()
  35 {
  36   int priority =
  37     (ACE_Sched_Params::priority_min (ACE_SCHED_FIFO)
  38      + ACE_Sched_Params::priority_max (ACE_SCHED_FIFO)) / 2;
  39   priority = ACE_Sched_Params::next_priority (ACE_SCHED_FIFO,
  40                                                   priority);
  41   // Enable FIFO scheduling
  42   if (ACE_OS::sched_params (ACE_Sched_Params (ACE_SCHED_FIFO,
  43                                               priority,
  44                                               ACE_SCOPE_PROCESS)) != 0)
  45     {
  46       if (ACE_OS::last_error () == EPERM)
  47         {
  48           ACE_DEBUG ((LM_DEBUG,
  49                       "server (%P|%t): user is not superuser, "
  50                       "test runs in time-shared class\n"));
  51         }
  52       else
  53         ACE_ERROR ((LM_ERROR,
  54                     "server (%P|%t): sched_params failed\n"));
  55     }
  56 }
  57
  58 int
  59 ACE_TMAIN(int argc, ACE_TCHAR *argv[])
  60 {
  61   //Use Real-time Scheduling class if possible
  62   set_priority();
  63
  64   try
  65     {
  66       CORBA::ORB_var sorb =
  67         CORBA::ORB_init (argc, argv);
  68
  69       if (parse_args (argc,argv) == -1)
  70         return -1;
  71
  72       ACE_Manual_Event wait_for_event;
  73
  74       Server_Task server_task (sorb.in (),
  75                                wait_for_event,
  76                                ACE_Thread_Manager::instance ());
  77
  78       if (server_task.activate (THR_NEW_LWP | THR_JOINABLE,
  79                                 1,
  80                                 1) == -1)
  81         {
  82           ACE_ERROR ((LM_ERROR, "Error activating server task\n"));
  83         }
  84
  85       // Wait for the server thread to do some processing
  86       wait_for_event.wait ();
  87
  88       // Obtain the object reference
  89       Test::Roundtrip_var reference = server_task.get_reference ();
  90
  91       Client_Task client_task (reference.in (),
  92                                niterations,
  93                                ACE_Thread_Manager::instance ());
  94
  95       if (client_task.activate (THR_NEW_LWP | THR_JOINABLE,
  96                                 1,
  97                                 1) == -1)
  98         {
  99           ACE_ERROR ((LM_ERROR, "Error activating client task\n"));
 100         }
 101
 102       ACE_Thread_Manager::instance ()->wait ();
 103     }
 104   catch (const CORBA::Exception&)
 105     {
 106       // Ignore exceptions..
 107     }
 108   return 0;
 109 }