TAO/orbsvcs/tests/Event/lib/Supplier.cpp

   1 #include "Supplier.h"
   2 #include "orbsvcs/Time_Utilities.h"
   3 #include "orbsvcs/Event_Utilities.h"
   4
   5 #include "tao/debug.h"
   6 #include "ace/OS_NS_unistd.h"
   7
   8 EC_Supplier::EC_Supplier (EC_Driver *driver,
   9                           void* cookie)
  10   :  driver_ (driver),
  11      cookie_ (cookie),
  12      push_count_ (0),
  13      burst_count_ (0),
  14      burst_size_ (0),
  15      payload_size_ (0),
  16      burst_pause_ (0),
  17      shutdown_event_type_ (0),
  18      is_active_ (0)
  19 {
  20 }
  21
  22 void
  23 EC_Supplier::send_event (int event_number)
  24 {
  25   if (CORBA::is_nil (this->consumer_proxy_.in ()))
  26     return;
  27
  28   // Create the event...
  29
  30   RtecEventComm::EventSet event (1);
  31   event.length (1);
  32
  33   event[0].header.ttl = 1;
  34
  35   ACE_hrtime_t t = ACE_OS::gethrtime ();
  36   ORBSVCS_Time::hrtime_to_TimeT (event[0].header.creation_time, t);
  37
  38   // We use replace to minimize the copies, this should result
  39   // in just one memory allocation:
  40   event[0].data.payload.length (this->payload_size_);
  41
  42   this->event_type (event_number, event[0]);
  43
  44   this->send_event (event);
  45 }
  46
  47 void
  48 EC_Supplier::send_event (const RtecEventComm::EventSet& event)
  49 {
  50   ACE_GUARD (TAO_SYNCH_MUTEX, ace_mon, this->lock_);
  51
  52   if (this->push_count_ == 0)
  53     this->throughput_start_ = ACE_OS::gethrtime ();
  54
  55   this->push_count_ += event.length ();
  56
  57   if (TAO_debug_level > 0
  58       && this->push_count_ % 100 == 0)
  59     {
  60       ACE_DEBUG ((LM_DEBUG,
  61                   "EC_Consumer (%P|%t): %d events received\n",
  62                   this->push_count_));
  63     }
  64
  65   ACE_hrtime_t start = ACE_OS::gethrtime ();
  66
  67   this->consumer_proxy_->push (event);
  68
  69   ACE_hrtime_t end = ACE_OS::gethrtime ();
  70   this->throughput_.sample (end - this->throughput_start_,
  71                             end - start);
  72 }
  73
  74 void
  75 EC_Supplier::event_type (int event_number,
  76                          RtecEventComm::Event &event)
  77 {
  78   CORBA::ULong l = this->qos_.publications.length ();
  79
  80   if (l == 0)
  81     {
  82       event.header.source = 0;
  83       event.header.type = this->shutdown_event_type_;
  84     }
  85   else
  86     {
  87       int i = event_number % l;
  88       int type = this->qos_.publications[i].event.header.type;
  89       if (type == this->shutdown_event_type_)
  90         i = 0;
  91
  92       RtecEventComm::EventHeader& header =
  93         this->qos_.publications[i].event.header;
  94
  95       event.header.source = header.source;
  96       event.header.type = header.type;
  97     }
  98 }
  99
 100 void
 101 EC_Supplier::connect (RtecEventChannelAdmin::SupplierAdmin_ptr supplier_admin,
 102                       const RtecEventChannelAdmin::SupplierQOS& qos,
 103                       int shutdown_event_type)
 104 {
 105   this->consumer_proxy_ =
 106     supplier_admin->obtain_push_consumer ();
 107
 108   this->connect (qos, shutdown_event_type);
 109 }
 110
 111 void
 112 EC_Supplier::connect (const RtecEventChannelAdmin::SupplierQOS& qos,
 113                       int shutdown_event_type)
 114 {
 115   if (CORBA::is_nil (this->consumer_proxy_.in ()))
 116     return; // @@ Throw?
 117
 118   this->qos_ = qos;
 119   this->shutdown_event_type_ = shutdown_event_type;
 120
 121   if (CORBA::is_nil (this->myself_.in ()))
 122     {
 123       this->myself_ = this->_this ();
 124     }
 125   this->is_active_ = 1;
 126
 127   this->consumer_proxy_->connect_push_supplier (this->myself_.in (),
 128                                                 qos);
 129 }
 130
 131 void
 132 EC_Supplier::disconnect (void)
 133 {
 134   if (CORBA::is_nil (this->consumer_proxy_.in ()))
 135     return;
 136
 137   this->consumer_proxy_->disconnect_push_consumer ();
 138
 139   this->consumer_proxy_ =
 140     RtecEventChannelAdmin::ProxyPushConsumer::_nil ();
 141 }
 142
 143 void
 144 EC_Supplier::shutdown (void)
 145 {
 146   if (!this->is_active_)
 147     return;
 148
 149   // Deactivate the servant
 150   PortableServer::POA_var poa =
 151     this->_default_POA ();
 152   PortableServer::ObjectId_var id =
 153     poa->servant_to_id (this);
 154   poa->deactivate_object (id.in ());
 155   this->is_active_ = 0;
 156   this->myself_ = RtecEventComm::PushSupplier::_nil ();
 157 }
 158
 159 void
 160 EC_Supplier::disconnect_push_supplier (void)
 161 {
 162   this->driver_->supplier_disconnect (this->cookie_);
 163   this->consumer_proxy_ =
 164     RtecEventChannelAdmin::ProxyPushConsumer::_nil ();
 165 }
 166
 167 void
 168 EC_Supplier::dump_results (
 169   const ACE_TCHAR* name,
 170   ACE_High_Res_Timer::global_scale_factor_type gsf)
 171 {
 172   this->throughput_.dump_results (name, gsf);
 173 }
 174
 175 void
 176 EC_Supplier::accumulate (ACE_Throughput_Stats& stats) const
 177 {
 178   stats.accumulate (this->throughput_);
 179 }
 180
 181 // ****************************************************************
 182
 183 EC_Supplier_Task::EC_Supplier_Task (EC_Supplier* supplier,
 184                                     EC_Driver* driver,
 185                                     void* cookie,
 186                                     int burst_count,
 187                                     int burst_size,
 188                                     int burst_pause,
 189                                     int payload_size,
 190                                     int shutdown_event_type,
 191                                     ACE_Thread_Manager* thr_mgr)
 192   :  ACE_Task_Base (thr_mgr),
 193      supplier_ (supplier),
 194      driver_ (driver),
 195      cookie_ (cookie),
 196      burst_count_ (burst_count),
 197      burst_size_ (burst_size),
 198      burst_pause_ (burst_pause),
 199      payload_size_ (payload_size),
 200      shutdown_event_type_ (shutdown_event_type)
 201 {
 202 }
 203
 204 int
 205 EC_Supplier_Task::svc (void)
 206 {
 207
 208   // Initialize a time value to pace the test
 209   ACE_Time_Value tv (0, this->burst_pause_);
 210
 211   RtecEventComm::EventSet event (1);
 212   event.length (1);
 213
 214   event[0].header.ttl = 1;
 215
 216   ACE_hrtime_t t = ACE_OS::gethrtime ();
 217   ORBSVCS_Time::hrtime_to_TimeT (event[0].header.creation_time, t);
 218
 219   // We use replace to minimize the copies, this should result
 220   // in just one memory allocation;
 221   event[0].data.payload.length (this->payload_size_);
 222
 223   for (int i = 0; i < this->burst_count_; ++i)
 224     {
 225       for (int j = 0; j < this->burst_size_; ++j)
 226         {
 227           try
 228             {
 229               this->supplier_->event_type (j, event[0]);
 230
 231               ACE_hrtime_t now = ACE_OS::gethrtime ();
 232               ORBSVCS_Time::hrtime_to_TimeT (event[0].header.creation_time,
 233                                              now);
 234               // ACE_DEBUG ((LM_DEBUG, "(%t) supplier push event\n"));
 235
 236               this->supplier_->send_event (event);
 237
 238             }
 239           catch (const CORBA::SystemException& sys_ex)
 240             {
 241               sys_ex._tao_print_exception ("SYS_EX");
 242             }
 243           catch (const CORBA::Exception& ex)
 244             {
 245               ex._tao_print_exception ("SYS_EX");
 246             }
 247         }
 248       ACE_OS::sleep (tv);
 249     }
 250
 251   try
 252     {
 253       // Send one event shutdown from each supplier
 254       event[0].header.type = this->shutdown_event_type_;
 255       ACE_hrtime_t now = ACE_OS::gethrtime ();
 256       ORBSVCS_Time::hrtime_to_TimeT (event[0].header.creation_time,
 257                                      now);
 258       this->supplier_->send_event (event);
 259     }
 260   catch (const CORBA::SystemException& sys_ex)
 261     {
 262       sys_ex._tao_print_exception ("SYS_EX");
 263     }
 264   catch (const CORBA::Exception& ex)
 265     {
 266       ex._tao_print_exception ("SYS_EX");
 267     }
 268
 269   ACE_DEBUG ((LM_DEBUG,
 270               "Supplier task finished\n"));
 271   return 0;
 272 }