diff options
Diffstat (limited to 'ACE/TAO/examples/Kokyu_dsrt_schedulers/mif_example/server.cpp')
| -rw-r--r-- | ACE/TAO/examples/Kokyu_dsrt_schedulers/mif_example/server.cpp | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/ACE/TAO/examples/Kokyu_dsrt_schedulers/mif_example/server.cpp b/ACE/TAO/examples/Kokyu_dsrt_schedulers/mif_example/server.cpp new file mode 100644 index 00000000000..4f02e48e40a --- /dev/null +++ b/ACE/TAO/examples/Kokyu_dsrt_schedulers/mif_example/server.cpp @@ -0,0 +1,242 @@ +// $Id$ + +#include "test_i.h" +#include "ace/Get_Opt.h" +#include "ace/Task.h" +#include "ace/High_Res_Timer.h" +#include "tao/RTScheduling/RTScheduler_Manager.h" +#include "MIF_Scheduler.h" +#include "Task_Stats.h" + +ACE_RCSID(MT_Server, server, "$Id$") + +const ACE_TCHAR *ior_output_file = ACE_TEXT("test.ior"); + +int nthreads = 2; +int enable_dynamic_scheduling = 0; +const CORBA::Short max_importance = 100; +int enable_yield = 1; + +int +parse_args (int argc, ACE_TCHAR *argv[]) +{ + ACE_Get_Opt get_opts (argc, argv, ACE_TEXT("o:n:ds")); + int c; + + while ((c = get_opts ()) != -1) + switch (c) + { + case 'o': + ior_output_file = get_opts.opt_arg (); + break; + + case 'n': + nthreads = ACE_OS::atoi (get_opts.opt_arg ()); + break; + + case 'd': + enable_dynamic_scheduling = 1; + break; + + case 's': + enable_yield = 0; + break; + + case '?': + default: + ACE_ERROR_RETURN ((LM_ERROR, + "usage: %s " + "-o <iorfile>" + "-d (enable dynamic scheduling)" + "-s (disable yield)" + "\n", + argv [0]), + -1); + } + // Indicates sucessful parsing of the command line + return 0; +} + +class Worker : public ACE_Task_Base +{ + // = TITLE + // Run a server thread + // + // = DESCRIPTION + // Use the ACE_Task_Base class to run server threads + // +public: + Worker (CORBA::ORB_ptr orb); + // ctor + + virtual int svc (void); + // The thread entry point. + +private: + CORBA::ORB_var orb_; + // The orb +}; + +Task_Stats task_stats; + +int +ACE_TMAIN(int argc, ACE_TCHAR *argv[]) +{ + MIF_Scheduler* scheduler=0; + RTScheduling::Current_var current; + long flags; + int sched_policy = ACE_SCHED_RR; + int sched_scope = ACE_SCOPE_THREAD; + + if (sched_policy == ACE_SCHED_RR) + flags = THR_NEW_LWP | THR_BOUND | THR_JOINABLE | THR_SCHED_RR; + else + flags = THR_NEW_LWP | THR_BOUND | THR_JOINABLE | THR_SCHED_FIFO; + + task_stats.init (100000); + + try + { + CORBA::ORB_var orb = + CORBA::ORB_init (argc, argv); + + CORBA::Object_var poa_object = + orb->resolve_initial_references("RootPOA"); + + if (CORBA::is_nil (poa_object.in ())) + ACE_ERROR_RETURN ((LM_ERROR, + " (%P|%t) Unable to initialize the POA.\n"), + 1); + + PortableServer::POA_var root_poa = + PortableServer::POA::_narrow (poa_object.in ()); + + PortableServer::POAManager_var poa_manager = + root_poa->the_POAManager (); + + if (parse_args (argc, argv) != 0) + return 1; + + if (enable_dynamic_scheduling) + { + CORBA::Object_ptr manager_obj = + orb->resolve_initial_references ("RTSchedulerManager"); + + TAO_RTScheduler_Manager_var manager = + TAO_RTScheduler_Manager::_narrow (manager_obj); + + Kokyu::DSRT_Dispatcher_Impl_t disp_impl_type; + if (enable_yield) + { + disp_impl_type = Kokyu::DSRT_CV_BASED; + } + else + { + disp_impl_type = Kokyu::DSRT_OS_BASED; + } + + ACE_NEW_RETURN (scheduler, + MIF_Scheduler (orb.in (), + disp_impl_type, + sched_policy, + sched_scope), -1); + + manager->rtscheduler (scheduler); + + CORBA::Object_var object = + orb->resolve_initial_references ("RTScheduler_Current"); + + current = + RTScheduling::Current::_narrow (object.in ()); + } + + Simple_Server_i server_impl (orb.in (), + current.in (), + task_stats, + enable_yield); + + Simple_Server_var server = + server_impl._this (); + + CORBA::String_var ior = + orb->object_to_string (server.in ()); + + ACE_DEBUG ((LM_DEBUG, "Activated as <%C>\n", ior.in ())); + + // If the ior_output_file exists, output the ior to it + if (ior_output_file != 0) + { + FILE *output_file= ACE_OS::fopen (ior_output_file, "w"); + if (output_file == 0) + ACE_ERROR_RETURN ((LM_ERROR, + "Cannot open output file for writing IOR: %s", + ior_output_file), + 1); + ACE_OS::fprintf (output_file, "%s", ior.in ()); + ACE_OS::fclose (output_file); + } + + poa_manager->activate (); + + Worker worker (orb.in ()); + if (worker.activate (flags, + nthreads, + 0, + ACE_Sched_Params::priority_max(sched_policy, + sched_scope)) != 0) + { + ACE_ERROR ((LM_ERROR, + "Cannot activate threads in RT class.", + "Trying to activate in non-RT class\n")); + + flags = THR_NEW_LWP | THR_JOINABLE | THR_BOUND; + if (worker.activate (flags, nthreads) != 0) + { + ACE_ERROR_RETURN ((LM_ERROR, + "Cannot activate server threads\n"), + 1); + } + } + + worker.wait (); + + ACE_DEBUG ((LM_DEBUG, "event loop finished\n")); + + ACE_DEBUG ((LM_DEBUG, "shutting down scheduler\n")); + scheduler->shutdown (); + } + catch (const CORBA::Exception& ex) + { + ex._tao_print_exception ("Exception caught:"); + return 1; + } + + ACE_DEBUG ((LM_DEBUG, "Exiting main...\n")); + task_stats.dump_samples (ACE_TEXT("timeline.txt"), + ACE_TEXT("Time\t\tGUID"), + ACE_High_Res_Timer::global_scale_factor ()); + return 0; +} + +// **************************************************************** + +Worker::Worker (CORBA::ORB_ptr orb) + : orb_ (CORBA::ORB::_duplicate (orb)) +{ +} + +int +Worker::svc (void) +{ + ACE_Time_Value tv(120); + + try + { + this->orb_->run (tv); + } + catch (const CORBA::Exception&) + { + } + ACE_DEBUG ((LM_DEBUG, "(%t|%T): Worker thread exiting...\n")); + return 0; +} |