summaryrefslogtreecommitdiff
path: root/TAO/tao/RTCORBA/RT_ORB.cpp
blob: 0dbdbb1ac6867815ecb3e770f88082b06c640a91 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
// $Id$

#include "tao/RTCORBA/RT_ORB.h"

#if defined (TAO_HAS_CORBA_MESSAGING) && TAO_HAS_CORBA_MESSAGING != 0

#include "tao/RTCORBA/RT_Policy_i.h"
#include "tao/RTCORBA/RT_Mutex.h"
#include "tao/RTCORBA/Priority_Mapping_Manager.h"
#include "tao/ORB_Core.h"
#include "tao/ORB.h"
#include "tao/SystemException.h"
#include "tao/RTCORBA/Thread_Pool.h"
#include "tao/RTCORBA/RT_Thread_Lane_Resources_Manager.h"
#include "ace/Sched_Params.h"

TAO_BEGIN_VERSIONED_NAMESPACE_DECL

TAO_RT_ORB::TAO_RT_ORB (TAO_ORB_Core *orb_core,
                        TAO_RT_ORBInitializer::TAO_RTCORBA_DT_LifeSpan lifespan,
                        ACE_Time_Value const &dynamic_thread_time)
  : orb_core_ (orb_core),
    mutex_mgr_ (),
    tp_manager_ (0),
    lifespan_ (lifespan),
    dynamic_thread_time_ (dynamic_thread_time)
{
  TAO_Thread_Lane_Resources_Manager *thread_lane_resources_manager =
    &this->orb_core_->thread_lane_resources_manager ();

  TAO_RT_Thread_Lane_Resources_Manager *rt_thread_lane_resources_manager =
    dynamic_cast <TAO_RT_Thread_Lane_Resources_Manager *> (thread_lane_resources_manager);

  if (!rt_thread_lane_resources_manager)
    throw CORBA::INTERNAL ();

  this->tp_manager_ =
    &rt_thread_lane_resources_manager->tp_manager ();
}

TAO_RT_ORB::~TAO_RT_ORB (void)
{
}

RTCORBA::Mutex_ptr
TAO_RT_ORB::create_mutex (void)
{
  return this->mutex_mgr_.create_mutex ();
}

void
TAO_RT_ORB::destroy_mutex (RTCORBA::Mutex_ptr mutex)
{
  this->mutex_mgr_.destroy_mutex (mutex);
}


RTCORBA::Mutex_ptr
TAO_RT_ORB::create_named_mutex (const char *name,
                                CORBA::Boolean_out created_flag)
{
  return this->mutex_mgr_.create_named_mutex (name, created_flag);
}

RTCORBA::Mutex_ptr
TAO_RT_ORB::open_named_mutex (const char *name)
{
  return this->mutex_mgr_.open_named_mutex (name);
}

////////////////////////////////////////////////////////////////////////////////

TAO_Named_RT_Mutex_Manager::TAO_Named_RT_Mutex_Manager (void)
{
}

TAO_Named_RT_Mutex_Manager::~TAO_Named_RT_Mutex_Manager (void)
{
}

RTCORBA::Mutex_ptr
TAO_Named_RT_Mutex_Manager::create_mutex (void)
{
  TAO_RT_Mutex *mutex = 0;
  ACE_NEW_THROW_EX (mutex,
                    TAO_RT_Mutex (),
                    CORBA::NO_MEMORY (
                      CORBA::SystemException::_tao_minor_code (
                        TAO::VMCID,
                        ENOMEM),
                      CORBA::COMPLETED_NO));

  return mutex;
}

// If Named RT_Mutexes aren't enabled, this function is a nop
// as also indicated by the comment below.
#if (TAO_HAS_NAMED_RT_MUTEXES == 1)
void
TAO_Named_RT_Mutex_Manager::destroy_mutex (RTCORBA::Mutex_ptr mutex)
{
  TAO_RT_Mutex *tao_mutex =
    dynamic_cast<TAO_RT_Mutex *> (mutex);

  // If this mutex is named, then we need to remove it from our table.
  // Otherwise, we don't have to do anything.
  const char *name = tao_mutex->name ();
  if (name != 0)
    {
      // The following should be atomic.
      ACE_GUARD_THROW_EX (TAO_SYNCH_MUTEX,
                          monitor,
                          this->lock_,
                          CORBA::INTERNAL ());

      int result =
        this->map_.unbind (name);

      if (result != 0)
        throw ::CORBA::INTERNAL ();
    }
}
#else /* TAO_HAS_NAMED_RT_MUTEXES == 1 */
void
TAO_Named_RT_Mutex_Manager::destroy_mutex (RTCORBA::Mutex_ptr)
{
}
#endif /* TAO_HAS_NAMED_RT_MUTEXES == 1 */

RTCORBA::Mutex_ptr
TAO_Named_RT_Mutex_Manager::create_named_mutex (const char *name,
                                                CORBA::Boolean_out created_flag)
{
#if (TAO_HAS_NAMED_RT_MUTEXES == 1)
  // The following should be atomic.
  ACE_GUARD_THROW_EX (TAO_SYNCH_MUTEX,
                      monitor,
                      this->lock_,
                      CORBA::INTERNAL ());

  // Optimistic that we'll find it.
  created_flag = false;

  // If we find the mutex, simply return it.
  RTCORBA::Mutex_var mutex;
  if (this->map_.find (name, mutex) != 0)
    {
      // Oops, we didn't find it.
      created_flag = true;

      RTCORBA::Mutex_ptr tmp_mutex;

      // Create a new one.
      ACE_NEW_THROW_EX (tmp_mutex,
                        TAO_Named_RT_Mutex (name),
                        CORBA::NO_MEMORY (
                          CORBA::SystemException::_tao_minor_code (
                            TAO::VMCID,
                            ENOMEM),
                          CORBA::COMPLETED_NO));

      mutex = tmp_mutex;

      // Add it to the map.
      int const result = this->map_.bind (name, mutex);

      if (result != 0)
        throw ::CORBA::INTERNAL ();
    }

  // Return the one we found or created.
  return mutex._retn ();
#else /* TAO_HAS_NAMED_RT_MUTEXES */
  ACE_UNUSED_ARG (name);
  ACE_UNUSED_ARG (created_flag);
  throw ::CORBA::NO_IMPLEMENT ();
#endif /* TAO_HAS_NAMED_RT_MUTEXES */
}

RTCORBA::Mutex_ptr
TAO_Named_RT_Mutex_Manager::open_named_mutex (const char *name)
{
#if (TAO_HAS_NAMED_RT_MUTEXES == 1)
  // The following should be atomic.
  ACE_GUARD_THROW_EX (TAO_SYNCH_MUTEX,
                      monitor,
                      this->lock_,
                      CORBA::INTERNAL ());

  // If we find the mutex, simply return it.
  RTCORBA::Mutex_var mutex;
  if (this->map_.find (name, mutex) != 0)
    throw RTCORBA::RTORB::MutexNotFound ();

  // Return the one we found.
  return mutex._retn ();
#else /* TAO_HAS_NAMED_RT_MUTEXES */
  ACE_UNUSED_ARG (name);
  throw ::CORBA::NO_IMPLEMENT ();
#endif /* TAO_HAS_NAMED_RT_MUTEXES */
}

///////////////////////////////////////////////////////////////////////////////

RTCORBA::TCPProtocolProperties_ptr
TAO_RT_ORB::create_tcp_protocol_properties (CORBA::Long send_buffer_size,
                                            CORBA::Long recv_buffer_size,
                                            CORBA::Boolean keep_alive,
                                            CORBA::Boolean dont_route,
                                            CORBA::Boolean no_delay,
                                            CORBA::Boolean enable_network_priority)
{
  TAO_TCP_Protocol_Properties *tmp = 0;
  ACE_NEW_THROW_EX (tmp,
                    TAO_TCP_Protocol_Properties (send_buffer_size,
                                        recv_buffer_size,
                                        keep_alive,
                                        dont_route,
                                        no_delay,
                                        enable_network_priority),
                    CORBA::NO_MEMORY (TAO::VMCID,
                                      CORBA::COMPLETED_NO));

  return tmp;
}

RTCORBA::UnixDomainProtocolProperties_ptr
TAO_RT_ORB::create_unix_domain_protocol_properties (
                                                    CORBA::Long send_buffer_size,
                                                    CORBA::Long recv_buffer_size)
{
  TAO_UnixDomain_Protocol_Properties *tmp = 0;
  ACE_NEW_THROW_EX (tmp,
                    TAO_UnixDomain_Protocol_Properties (
                                               send_buffer_size,
                                               recv_buffer_size),
                    CORBA::NO_MEMORY (TAO::VMCID,
                                      CORBA::COMPLETED_NO));

  return tmp;
}

RTCORBA::SharedMemoryProtocolProperties_ptr
TAO_RT_ORB::create_shared_memory_protocol_properties (
                                                      CORBA::Long send_buffer_size,
                                                      CORBA::Long recv_buffer_size,
                                                      CORBA::Boolean keep_alive,
                                                      CORBA::Boolean dont_route,
                                                      CORBA::Boolean no_delay,
                                                      CORBA::Long preallocate_buffer_size,
                                                      const char *mmap_filename,
                                                      const char *mmap_lockname)
{
  TAO_SharedMemory_Protocol_Properties *tmp = 0;
  ACE_NEW_THROW_EX (tmp,
                    TAO_SharedMemory_Protocol_Properties (send_buffer_size,
                                                          recv_buffer_size,
                                                          keep_alive,
                                                          dont_route,
                                                          no_delay,
                                                          preallocate_buffer_size,
                                                          mmap_filename,
                                                          mmap_lockname),
                    CORBA::NO_MEMORY (TAO::VMCID,
                                      CORBA::COMPLETED_NO));

  return tmp;
}

RTCORBA::UserDatagramProtocolProperties_ptr
TAO_RT_ORB::create_user_datagram_protocol_properties (
                                                      CORBA::Long send_buffer_size,
                                                      CORBA::Long recv_buffer_size,
                                                      CORBA::Boolean enable_network_priority)
{
  TAO_UserDatagram_Protocol_Properties *tmp = 0;
  ACE_NEW_THROW_EX (tmp,
                    TAO_UserDatagram_Protocol_Properties (
                                                 send_buffer_size,
                                                 recv_buffer_size,
                                                 enable_network_priority),
                    CORBA::NO_MEMORY (TAO::VMCID,
                                      CORBA::COMPLETED_NO));

  return tmp;
}

RTCORBA::StreamControlProtocolProperties_ptr
TAO_RT_ORB::create_stream_control_protocol_properties (
                                                       CORBA::Long send_buffer_size,
                                                       CORBA::Long recv_buffer_size,
                                                       CORBA::Boolean keep_alive,
                                                       CORBA::Boolean dont_route,
                                                       CORBA::Boolean no_delay,
                                                       CORBA::Boolean enable_network_priority)
{
  TAO_StreamControl_Protocol_Properties *tmp = 0;
  ACE_NEW_THROW_EX (tmp,
                    TAO_StreamControl_Protocol_Properties (
                                                  send_buffer_size,
                                                  recv_buffer_size,
                                                  keep_alive,
                                                  dont_route,
                                                  no_delay,
                                                  enable_network_priority),
                    CORBA::NO_MEMORY (TAO::VMCID,
                                      CORBA::COMPLETED_NO));

  return tmp;
}

RTCORBA::ThreadpoolId
TAO_RT_ORB::create_threadpool (CORBA::ULong stacksize,
                               CORBA::ULong static_threads,
                               CORBA::ULong dynamic_threads,
                               RTCORBA::Priority default_priority,
                               CORBA::Boolean allow_request_buffering,
                               CORBA::ULong max_buffered_requests,
                               CORBA::ULong max_request_buffer_size)
{
  return this->tp_manager_->create_threadpool (stacksize,
                                               static_threads,
                                               dynamic_threads,
                                               default_priority,
                                               allow_request_buffering,
                                               max_buffered_requests,
                                               max_request_buffer_size,
                                               this->lifespan_,
                                               this->dynamic_thread_time_);
}

RTCORBA::ThreadpoolId
TAO_RT_ORB::create_threadpool_with_lanes (CORBA::ULong stacksize,
                                          const RTCORBA::ThreadpoolLanes &lanes,
                                          CORBA::Boolean allow_borrowing,
                                          CORBA::Boolean allow_request_buffering,
                                          CORBA::ULong max_buffered_requests,
                                          CORBA::ULong max_request_buffer_size)
{
  return this->tp_manager_->create_threadpool_with_lanes (stacksize,
                                                          lanes,
                                                          allow_borrowing,
                                                          allow_request_buffering,
                                                          max_buffered_requests,
                                                          max_request_buffer_size,
                                                          this->lifespan_,
                                                          this->dynamic_thread_time_);
}

void
TAO_RT_ORB::destroy_threadpool (RTCORBA::ThreadpoolId threadpool)
{
  this->tp_manager_->destroy_threadpool (threadpool);
}

RTCORBA::PriorityModelPolicy_ptr
TAO_RT_ORB::create_priority_model_policy (RTCORBA::PriorityModel priority_model,
                                          RTCORBA::Priority server_priority)
{
  TAO_PriorityModelPolicy *tmp = 0;
  ACE_NEW_THROW_EX (tmp,
                    TAO_PriorityModelPolicy (priority_model, server_priority),
                    CORBA::NO_MEMORY (TAO::VMCID,
                                      CORBA::COMPLETED_NO));

  return tmp;
}

RTCORBA::ThreadpoolPolicy_ptr
TAO_RT_ORB::create_threadpool_policy (RTCORBA::ThreadpoolId threadpool)
{
  TAO_ThreadpoolPolicy *tmp = 0;
  ACE_NEW_THROW_EX (tmp,
                    TAO_ThreadpoolPolicy (threadpool),
                    CORBA::NO_MEMORY (TAO::VMCID,
                                      CORBA::COMPLETED_NO));

  return tmp;
}

RTCORBA::PriorityBandedConnectionPolicy_ptr
TAO_RT_ORB::create_priority_banded_connection_policy (const
                                                      RTCORBA::PriorityBands & priority_bands)
{
  TAO_PriorityBandedConnectionPolicy *tmp = 0;
  ACE_NEW_THROW_EX (tmp,
                    TAO_PriorityBandedConnectionPolicy (priority_bands),
                    CORBA::NO_MEMORY (TAO::VMCID,
                                      CORBA::COMPLETED_NO));

  return tmp;
}

RTCORBA::PrivateConnectionPolicy_ptr
TAO_RT_ORB::create_private_connection_policy (void)
{
  TAO_PrivateConnectionPolicy *tmp = 0;
  ACE_NEW_THROW_EX (tmp,
                    TAO_PrivateConnectionPolicy (),
                    CORBA::NO_MEMORY (TAO::VMCID,
                                      CORBA::COMPLETED_NO));

  return tmp;
}

RTCORBA::ServerProtocolPolicy_ptr
TAO_RT_ORB::create_server_protocol_policy (const RTCORBA::ProtocolList & protocols)
{
  TAO_ServerProtocolPolicy *tmp = 0;
  ACE_NEW_THROW_EX (tmp,
                    TAO_ServerProtocolPolicy (protocols),
                    CORBA::NO_MEMORY (TAO::VMCID,
                                      CORBA::COMPLETED_NO));

  return tmp;
}

RTCORBA::ClientProtocolPolicy_ptr
TAO_RT_ORB::create_client_protocol_policy (const RTCORBA::ProtocolList & protocols)
{
  TAO_ClientProtocolPolicy *tmp = 0;
  ACE_NEW_THROW_EX (tmp,
                    TAO_ClientProtocolPolicy (protocols),
                    CORBA::NO_MEMORY (TAO::VMCID,
                                      CORBA::COMPLETED_NO));

  return tmp;
}

TAO_Thread_Pool_Manager &
TAO_RT_ORB::tp_manager (void) const
{
  return *this->tp_manager_;
}

TAO_ORB_Core *
TAO_RT_ORB::orb_core (void) const
{
  return this->orb_core_;
}

/* static */
int
TAO_RT_ORB::modify_thread_scheduling_policy (CORBA::ORB_ptr orb)
{
  // This method changes the scheduling policy of the calling thread
  // to match the scheduling policy specified in the svc.conf file.
  // The priority of the calling thread will be set to the minimum
  // priority supported by that scheduling policy.
  //
  // This method make sense on those platform (e.g., Linux) where
  // PTHREAD_SCOPE_SYSTEM is the only scheduling scope supported.  On
  // other platforms, this method is a no-op since the only way to get
  // the real-time threading behavior is to setup the
  // PTHREAD_SCOPE_SYSTEM scheduling scope when a thread is being
  // created.  On such platforms, one can set the correct scheduling
  // scope and policy when creating the thread, thus not needing to
  // use this method.

#if defined (linux)

  int const sched_policy = orb->orb_core ()->orb_params ()->ace_sched_policy ();

  int const minimum_priority = ACE_Sched_Params::priority_min (sched_policy);

  ACE_hthread_t thread_id;
  ACE_Thread::self (thread_id);

  return ACE_Thread::setprio (thread_id, minimum_priority, sched_policy);

#else /* linux */

  ACE_UNUSED_ARG (orb);
  ACE_NOTSUP_RETURN (-1);

#endif /* linux */

}

TAO_END_VERSIONED_NAMESPACE_DECL

///////////////////////////////////////////////////////////////////////////////

#endif /* TAO_HAS_CORBA_MESSAGING && TAO_HAS_CORBA_MESSAGING != 0 */